diff options
Diffstat (limited to 'arch/powerpc/include/asm')
107 files changed, 2919 insertions, 1968 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index 704e6f10ae8..3fb1bc432f4 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -1,5 +1,8 @@ generic-y += clkdev.h +generic-y += hash.h +generic-y += mcs_spinlock.h +generic-y += preempt.h generic-y += rwsem.h generic-y += trace_clock.h -generic-y += vtime.h
\ No newline at end of file +generic-y += vtime.h diff --git a/arch/powerpc/include/asm/apm82181-adma.h b/arch/powerpc/include/asm/apm82181-adma.h new file mode 100644 index 00000000000..8d36b517fbf --- /dev/null +++ b/arch/powerpc/include/asm/apm82181-adma.h @@ -0,0 +1,311 @@ +/* + * 2009-2010 (C) Applied Micro Circuits Corporation. + * + * Author: Tai Tri Nguyen<ttnguyen@appliedmicro.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of + * any kind, whether express or implied. + */ + +#ifndef APM82181_ADMA_H +#define APM82181_ADMA_H + + +#include <linux/types.h> + + +#define to_apm82181_adma_chan(chan) container_of(chan,apm82181_ch_t,common) +#define to_apm82181_adma_device(dev) container_of(dev,apm82181_dev_t,common) +#define tx_to_apm82181_adma_slot(tx) container_of(tx,apm82181_desc_t,async_tx) + +#define APM82181_DMA_PROC_ROOT "driver/apm82181_adma" + +/* Number of operands supported in the h/w */ +#define XOR_MAX_OPS 16 +/* this is the XOR_CBBCR width */ +#define APM82181_ADMA_XOR_MAX_BYTE_COUNT (1 << 31) +#define APM82181_ADMA_DMA_MAX_BYTE_COUNT 1024 * 1024 +#define MAX_APM82181_DMA_CHANNELS 5 +#define APM82181_ADMA_THRESHOLD 1 + +#define APM82181_PDMA0_ID 0 +#define APM82181_PDMA1_ID 1 +#define APM82181_PDMA2_ID 2 +#define APM82181_PDMA3_ID 3 +#define APM82181_XOR_ID 4 + +/* DMA 0/1/2/3 registers */ +#define DCR_DMAx_BASE(x) (0x200 + x*0x8) /* DMA DCR base */ +#define DCR_DMA2P40_CRx(x) (DCR_DMAx_BASE(x) + 0x0) /* DMA Channel Control */ +#define DMA_CR_CE (1 << 31) +#define DMA_CR_CIE (1 << 30) +#define DMA_CR_PL (1 << 28) +#define DMA_CR_PW_128 0x08000000 +#define DMA_CR_DAI 0x01000000 +#define DMA_CR_SAI 0x00800000 +#define DMA_CR_BEN 0x00400000 +#define DMA_CR_TM_S_MM 0x00300000 +#define DMA_CR_ETD 0x00000100 +#define DMA_CR_TCE 0x00000080 +#define DMA_CR_CP(x) (x<<5)& 0x00000060 +#define DMA_CR_DEC (1 << 2) +#define DMA_CR_SL (1 << 1) +#define DCR_DMA2P40_CTCx(x) (DCR_DMAx_BASE(x) + 0x1) /* DMA Count 0 */ +#define DMA_CTC_ETIE (1 << 28) +#define DMA_CTC_EIE (1 << 27) +#define DMA_CTC_PCE (1 << 20) +#define DMA_CTC_TC_MASK 0x000fffff +#define DCR_DMA2P40_SAHx(x) (DCR_DMAx_BASE(x) + 0x2) /* DMA Src Addr High 0 */ +#define DCR_DMA2P40_SALx(x) (DCR_DMAx_BASE(x) + 0x3) /* DMA Src Addr Low 0 */ +#define DCR_DMA2P40_DAHx(x) (DCR_DMAx_BASE(x) + 0x4) /* DMA Dest Addr High 0 */ +#define DCR_DMA2P40_DALx(x) (DCR_DMAx_BASE(x) + 0x5) /* DMA Dest Addr Low 0 */ +#define DCR_DMA2P40_SGHx(x) (DCR_DMAx_BASE(x) + 0x6) /* DMA SG Desc Addr High 0 */ +#define DCR_DMA2P40_SGLx(x) (DCR_DMAx_BASE(x) + 0x7) /* DMA SG Desc Addr Low 0 */ +/* DMA Status Register */ +#define DCR_DMA2P40_SR 0x220 +#define DMA_SR_CS(x) (1 << (31 -x)) +#define DMA_SR_TS(x) (1 << (27 -x)) +#define DMA_SR_RI(x) (1 << (23 -x)) +#define DMA_SR_IR(x) (1 << (19 -x)) +#define DMA_SR_ER(x) (1 << (15 -x)) +#define DMA_SR_CB(x) (1 << (11 -x)) +#define DMA_SR_SG(x) (1 << (7 -x)) +/* S/G registers */ +#define DCR_DMA2P40_SGC 0x223 +#define DMA_SGC_SSG(x) ( 1 << (31 - x)) +#define DMA_SGC_SGL(x,y) ( y << (27 - x)) /* x: channel; y: 0 PLB, 1 OPB*/ +#define DMA_SGC_EM(x) ( 1 << (15 - x)) +#define DMA_SGC_EM_ALL 0x0000F000 + +/* + * XOR Command Block Control Register bits + */ +#define XOR_CBCR_LNK_BIT (1<<31) /* link present */ +#define XOR_CBCR_TGT_BIT (1<<30) /* target present */ +#define XOR_CBCR_CBCE_BIT (1<<29) /* command block compete enable */ +#define XOR_CBCR_RNZE_BIT (1<<28) /* result not zero enable */ +#define XOR_CBCR_XNOR_BIT (1<<15) /* XOR/XNOR */ +#define XOR_CDCR_OAC_MSK (0x7F) /* operand address count */ + +/* + * XORCore Status Register bits + */ +#define XOR_SR_XCP_BIT (1<<31) /* core processing */ +#define XOR_SR_ICB_BIT (1<<17) /* invalid CB */ +#define XOR_SR_IC_BIT (1<<16) /* invalid command */ +#define XOR_SR_IPE_BIT (1<<15) /* internal parity error */ +#define XOR_SR_RNZ_BIT (1<<2) /* result not Zero */ +#define XOR_SR_CBC_BIT (1<<1) /* CB complete */ +#define XOR_SR_CBLC_BIT (1<<0) /* CB list complete */ + +/* + * XORCore Control Set and Reset Register bits + */ +#define XOR_CRSR_XASR_BIT (1<<31) /* soft reset */ +#define XOR_CRSR_XAE_BIT (1<<30) /* enable */ +#define XOR_CRSR_RCBE_BIT (1<<29) /* refetch CB enable */ +#define XOR_CRSR_PAUS_BIT (1<<28) /* pause */ +#define XOR_CRSR_64BA_BIT (1<<27) /* 64/32 CB format */ +#define XOR_CRSR_CLP_BIT (1<<25) /* continue list processing */ + +/* + * XORCore Interrupt Enable Register + */ +#define XOR_IE_ICBIE_BIT (1<<17) /* Invalid Command Block Interrupt Enable */ +#define XOR_IE_ICIE_BIT (1<<16) /* Invalid Command Interrupt Enable */ +#define XOR_IE_RPTIE_BIT (1<<14) /* Read PLB Timeout Error Interrupt Enable */ +#define XOR_IE_CBCIE_BIT (1<<1) /* CB complete interrupt enable */ +#define XOR_IE_CBLCI_BIT (1<<0) /* CB list complete interrupt enable */ + +typedef struct apm82181_plb_dma4_device { + struct resource reg; /* Resource for register */ + void __iomem *reg_base; + struct platform_device *ofdev; + struct device *dev; +} apm82181_plb_dma_t; + +/** + * struct apm82181_dma_device - internal representation of an DMA device + * @id: HW DMA Device selector + * @ofdev: OF device + * @dcr_base: dcr base of HW PLB DMA channels + * @reg_base: base of ADMA XOR channel + * @dma_desc_pool: base of DMA descriptor region (DMA address) + * @dma_desc_pool_virt: base of DMA descriptor region (CPU address) + * @pool_size: memory pool size for the channel device + * @common: embedded struct dma_device + * @cap_mask: capabilities of ADMA channels + */ +typedef struct apm82181_plb_dma_device { + int id; + struct platform_device *ofdev; + u32 dcr_base; + void __iomem *xor_base; + struct device *dev; + struct dma_device common; + struct apm82181_plb_dma4_device *pdma; + void *dma_desc_pool_virt; + u32 pool_size; + dma_addr_t dma_desc_pool; + dma_cap_mask_t cap_mask; +} apm82181_dev_t; + +/** + * struct apm82181_dma_chan - internal representation of an ADMA channel + * @lock: serializes enqueue/dequeue operations to the slot pool + * @device: parent device + * @chain: device chain view of the descriptors + * @common: common dmaengine channel object members + * @all_slots: complete domain of slots usable by the channel + * @reg: Resource for register + * @pending: allows batching of hardware operations + * @completed_cookie: identifier for the most recently completed operation + * @slots_allocated: records the actual size of the descriptor slot pool + * @hw_chain_inited: h/w descriptor chain initialization flag + * @irq_tasklet: bottom half where apm82181_adma_slot_cleanup runs + * @needs_unmap: if buffers should not be unmapped upon final processing + */ +typedef struct apm82181_plb_dma_chan { + spinlock_t lock; + struct apm82181_plb_dma_device *device; + struct timer_list cleanup_watchdog; + struct list_head chain; + struct dma_chan common; + struct list_head all_slots; + struct apm82181_adma_plb_desc_slot *last_used; + int pending; + dma_cookie_t completed_cookie; + int slots_allocated; + int hw_chain_inited; + struct tasklet_struct irq_tasklet; + u8 needs_unmap; + phys_addr_t current_cdb_addr; +} apm82181_ch_t; + +typedef struct apm82181_adma_plb_desc_slot { + dma_addr_t phys; + struct apm82181_adma_plb_desc_slot *group_head; + struct apm82181_adma_plb_desc_slot *hw_next; + struct dma_async_tx_descriptor async_tx; + struct list_head slot_node; + struct list_head chain_node; + struct list_head group_list; + unsigned int unmap_len; + void *hw_desc; + u16 stride; + u16 idx; + u16 slot_cnt; + u8 src_cnt; + u8 dst_cnt; + u8 slots_per_op; + u8 descs_per_op; + unsigned long flags; + unsigned long reverse_flags[8]; +#define APM82181_DESC_INT 0 /* generate interrupt on complete */ +#define APM82181_DESC_FENCE 1 /* Other tx will use its result */ + /* This tx needs to be polled to complete */ + +}apm82181_desc_t; + +typedef struct { + u32 ce:1; + u32 cie:1; + u32 td:1; + u32 pl:1; + u32 pw:3; + u32 dai:1; + u32 sai:1; + u32 ben:1; + u32 tm:2; + u32 psc:2; + u32 pwc:6; + u32 phc:3; + u32 etd:1; + u32 tce:1; + u32 cp:2; + u32 pf:2; + u32 dec:1; + u32 sl:1; + u32 reserved:1; +} __attribute__((packed)) dma_cdb_ctrl_t; + +typedef struct { + u32 link:1; + u32 sgl:1; + u32 tcie:1; + u32 etie:1; + u32 eie:1; + u32 sid:3; + u32 bten:1; + u32 bsiz:2; + u32 pce:1; + u32 tc:20; +} __attribute__((packed)) dma_cdb_count_t; +/* scatter/gather descriptor struct */ +typedef struct dma_cdb { + dma_cdb_ctrl_t ctrl; + dma_cdb_count_t cnt; + u32 src_hi; + u32 src_lo; + u32 dest_hi; + u32 dest_lo; + u32 sg_hi; + u32 sg_lo; +}dma_cdb_t; + +typedef struct { + uint32_t control; + phys_addr_t src_addr; + phys_addr_t dst_addr; + uint32_t control_count; + uint32_t next; +} ppc_sgl_t; + +/* + * XOR Accelerator engine Command Block Type + */ +typedef struct { + /* + * Basic 64-bit format XOR CB + */ + u32 cbc; /* control */ + u32 cbbc; /* byte count */ + u32 cbs; /* status */ + u8 pad0[4]; /* reserved */ + u32 cbtah; /* target address high */ + u32 cbtal; /* target address low */ + u32 cblah; /* link address high */ + u32 cblal; /* link address low */ + struct { + u32 h; + u32 l; + } __attribute__ ((packed)) ops [16]; +} __attribute__ ((packed)) xor_cb_t; + +/* + * XOR hardware registers + */ +typedef struct { + u32 op_ar[16][2]; /* operand address[0]-high,[1]-low registers */ + u8 pad0[352]; /* reserved */ + u32 cbcr; /* CB control register */ + u32 cbbcr; /* CB byte count register */ + u32 cbsr; /* CB status register */ + u8 pad1[4]; /* reserved */ + u32 cbtahr; /* operand target address high register */ + u32 cbtalr; /* operand target address low register */ + u32 cblahr; /* CB link address high register */ + u32 cblalr; /* CB link address low register */ + u32 crsr; /* control set register */ + u32 crrr; /* control reset register */ + u32 ccbahr; /* current CB address high register */ + u32 ccbalr; /* current CB address low register */ + u32 plbr; /* PLB configuration register */ + u32 ier; /* interrupt enable register */ + u32 pecr; /* parity error count register */ + u32 sr; /* status register */ + u32 revidr; /* revision ID register */ +} xor_regs_t; + +#endif diff --git a/arch/powerpc/include/asm/archrandom.h b/arch/powerpc/include/asm/archrandom.h new file mode 100644 index 00000000000..bde53110363 --- /dev/null +++ b/arch/powerpc/include/asm/archrandom.h @@ -0,0 +1,50 @@ +#ifndef _ASM_POWERPC_ARCHRANDOM_H +#define _ASM_POWERPC_ARCHRANDOM_H + +#ifdef CONFIG_ARCH_RANDOM + +#include <asm/machdep.h> + +static inline int arch_get_random_long(unsigned long *v) +{ + if (ppc_md.get_random_long) + return ppc_md.get_random_long(v); + + return 0; +} + +static inline int arch_get_random_int(unsigned int *v) +{ + unsigned long val; + int rc; + + rc = arch_get_random_long(&val); + if (rc) + *v = val; + + return rc; +} + +static inline int arch_has_random(void) +{ + return !!ppc_md.get_random_long; +} + +int powernv_get_random_long(unsigned long *v); + +static inline int arch_get_random_seed_long(unsigned long *v) +{ + return 0; +} +static inline int arch_get_random_seed_int(unsigned int *v) +{ + return 0; +} +static inline int arch_has_random_seed(void) +{ + return 0; +} + +#endif /* CONFIG_ARCH_RANDOM */ + +#endif /* _ASM_POWERPC_ARCHRANDOM_H */ diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index e3b1d41c89b..28992d01292 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -8,6 +8,7 @@ #ifdef __KERNEL__ #include <linux/types.h> #include <asm/cmpxchg.h> +#include <asm/barrier.h> #define ATOMIC_INIT(i) { (i) } @@ -270,11 +271,6 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) } #define atomic_dec_if_positive atomic_dec_if_positive -#define smp_mb__before_atomic_dec() smp_mb() -#define smp_mb__after_atomic_dec() smp_mb() -#define smp_mb__before_atomic_inc() smp_mb() -#define smp_mb__after_atomic_inc() smp_mb() - #ifdef __powerpc64__ #define ATOMIC64_INIT(i) { (i) } diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index ae782254e73..bab79a110c7 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -45,11 +45,15 @@ # define SMPWMB eieio #endif +#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") + #define smp_mb() mb() -#define smp_rmb() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") +#define smp_rmb() __lwsync() #define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory") #define smp_read_barrier_depends() read_barrier_depends() #else +#define __lwsync() barrier() + #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() @@ -65,4 +69,22 @@ #define data_barrier(x) \ asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory"); +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + __lwsync(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + __lwsync(); \ + ___p1; \ +}) + +#define smp_mb__before_atomic() smp_mb() +#define smp_mb__after_atomic() smp_mb() + #endif /* _ASM_POWERPC_BARRIER_H */ diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 910194e9a1e..bd3bd573d0a 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -46,11 +46,12 @@ #include <asm/asm-compat.h> #include <asm/synch.h> -/* - * clear_bit doesn't imply a memory barrier - */ -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() +/* PPC bit number conversion */ +#define PPC_BITLSHIFT(be) (BITS_PER_LONG - 1 - (be)) +#define PPC_BIT(bit) (1UL << PPC_BITLSHIFT(bit)) +#define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs)) + +#include <asm/barrier.h> /* Macro for generating the ***_bits() functions */ #define DEFINE_BITOP(fn, op, prefix) \ diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 9e495c9a6a8..ed0afc1e44a 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -41,8 +41,20 @@ struct ppc64_caches { extern struct ppc64_caches ppc64_caches; #endif /* __powerpc64__ && ! __ASSEMBLY__ */ -#if !defined(__ASSEMBLY__) +#if defined(__ASSEMBLY__) +/* + * For a snooping icache, we still need a dummy icbi to purge all the + * prefetched instructions from the ifetch buffers. We also need a sync + * before the icbi to order the the actual stores to memory that might + * have modified instructions with the icbi. + */ +#define PURGE_PREFETCHED_INS \ + sync; \ + icbi 0,r3; \ + sync; \ + isync +#else #define __read_mostly __attribute__((__section__(".data..read_mostly"))) #ifdef CONFIG_6xx diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h index ce0c28495f9..8251a3ba870 100644 --- a/arch/powerpc/include/asm/checksum.h +++ b/arch/powerpc/include/asm/checksum.h @@ -14,6 +14,9 @@ * which always checksum on 4 octet boundaries. ihl is the number * of 32-bit words and is always >= 5. */ +#ifdef CONFIG_GENERIC_CSUM +#include <asm-generic/checksum.h> +#else extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); /* @@ -123,5 +126,7 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, return sum; #endif } + +#endif #endif /* __KERNEL__ */ #endif diff --git a/arch/powerpc/include/asm/clk_interface.h b/arch/powerpc/include/asm/clk_interface.h deleted file mode 100644 index ab1882c1e17..00000000000 --- a/arch/powerpc/include/asm/clk_interface.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef __ASM_POWERPC_CLK_INTERFACE_H -#define __ASM_POWERPC_CLK_INTERFACE_H - -#include <linux/clk.h> - -struct clk_interface { - struct clk* (*clk_get) (struct device *dev, const char *id); - int (*clk_enable) (struct clk *clk); - void (*clk_disable) (struct clk *clk); - unsigned long (*clk_get_rate) (struct clk *clk); - void (*clk_put) (struct clk *clk); - long (*clk_round_rate) (struct clk *clk, unsigned long rate); - int (*clk_set_rate) (struct clk *clk, unsigned long rate); - int (*clk_set_parent) (struct clk *clk, struct clk *parent); - struct clk* (*clk_get_parent) (struct clk *clk); -}; - -extern struct clk_interface clk_functions; - -#endif /* __ASM_POWERPC_CLK_INTERFACE_H */ diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h index e245aab7f19..d463c68fe7f 100644 --- a/arch/powerpc/include/asm/cmpxchg.h +++ b/arch/powerpc/include/asm/cmpxchg.h @@ -300,6 +300,7 @@ __cmpxchg_local(volatile void *ptr, unsigned long old, unsigned long new, BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ cmpxchg_local((ptr), (o), (n)); \ }) +#define cmpxchg64_relaxed cmpxchg64_local #else #include <asm-generic/cmpxchg-local.h> #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index a6f8c7a5cbb..840a5509b3f 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -34,19 +34,69 @@ int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr); unsigned long branch_target(const unsigned int *instr); unsigned int translate_branch(const unsigned int *dest, const unsigned int *src); +#ifdef CONFIG_PPC_BOOK3E_64 +void __patch_exception(int exc, unsigned long addr); +#define patch_exception(exc, name) do { \ + extern unsigned int name; \ + __patch_exception((exc), (unsigned long)&name); \ +} while (0) +#endif + +#define OP_RT_RA_MASK 0xffff0000UL +#define LIS_R2 0x3c020000UL +#define ADDIS_R2_R12 0x3c4c0000UL +#define ADDI_R2_R2 0x38420000UL static inline unsigned long ppc_function_entry(void *func) { -#ifdef CONFIG_PPC64 +#if defined(CONFIG_PPC64) +#if defined(_CALL_ELF) && _CALL_ELF == 2 + u32 *insn = func; + /* - * On PPC64 the function pointer actually points to the function's - * descriptor. The first entry in the descriptor is the address - * of the function text. + * A PPC64 ABIv2 function may have a local and a global entry + * point. We need to use the local entry point when patching + * functions, so identify and step over the global entry point + * sequence. + * + * The global entry point sequence is always of the form: + * + * addis r2,r12,XXXX + * addi r2,r2,XXXX + * + * A linker optimisation may convert the addis to lis: + * + * lis r2,XXXX + * addi r2,r2,XXXX + */ + if ((((*insn & OP_RT_RA_MASK) == ADDIS_R2_R12) || + ((*insn & OP_RT_RA_MASK) == LIS_R2)) && + ((*(insn+1) & OP_RT_RA_MASK) == ADDI_R2_R2)) + return (unsigned long)(insn + 2); + else + return (unsigned long)func; +#else + /* + * On PPC64 ABIv1 the function pointer actually points to the + * function's descriptor. The first entry in the descriptor is the + * address of the function text. */ return ((func_descr_t *)func)->entry; +#endif #else return (unsigned long)func; #endif } +static inline unsigned long ppc_global_function_entry(void *func) +{ +#if defined(CONFIG_PPC64) && defined(_CALL_ELF) && _CALL_ELF == 2 + /* PPC64 ABIv2 the global entry point is at the address */ + return (unsigned long)func; +#else + /* All other cases there is no change vs ppc_function_entry() */ + return ppc_function_entry(func); +#endif +} + #endif /* _ASM_POWERPC_CODE_PATCHING_H */ diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h index 84fdf6857c3..b142b8e0ed9 100644 --- a/arch/powerpc/include/asm/compat.h +++ b/arch/powerpc/include/asm/compat.h @@ -8,7 +8,11 @@ #include <linux/sched.h> #define COMPAT_USER_HZ 100 +#ifdef __BIG_ENDIAN__ #define COMPAT_UTS_MACHINE "ppc\0\0" +#else +#define COMPAT_UTS_MACHINE "ppcle\0\0" +#endif typedef u32 compat_size_t; typedef s32 compat_ssize_t; @@ -200,10 +204,11 @@ static inline void __user *arch_compat_alloc_user_space(long len) /* * We can't access below the stack pointer in the 32bit ABI and - * can access 288 bytes in the 64bit ABI + * can access 288 bytes in the 64bit big-endian ABI, + * or 512 bytes with the new ELFv2 little-endian ABI. */ if (!is_32bit_task()) - usp -= 288; + usp -= USER_REDZONE_SIZE; return (void __user *) (usp - len); } diff --git a/arch/powerpc/include/asm/context_tracking.h b/arch/powerpc/include/asm/context_tracking.h index b6f5a33b8ee..40014921fff 100644 --- a/arch/powerpc/include/asm/context_tracking.h +++ b/arch/powerpc/include/asm/context_tracking.h @@ -2,9 +2,9 @@ #define _ASM_POWERPC_CONTEXT_TRACKING_H #ifdef CONFIG_CONTEXT_TRACKING -#define SCHEDULE_USER bl .schedule_user +#define SCHEDULE_USER bl schedule_user #else -#define SCHEDULE_USER bl .schedule +#define SCHEDULE_USER bl schedule #endif #endif diff --git a/arch/powerpc/include/asm/cpm2.h b/arch/powerpc/include/asm/cpm2.h index f42e9baf3a4..7c8608b0969 100644 --- a/arch/powerpc/include/asm/cpm2.h +++ b/arch/powerpc/include/asm/cpm2.h @@ -489,7 +489,6 @@ typedef struct scc_trans { #define FCC_GFMR_TCI ((uint)0x20000000) #define FCC_GFMR_TRX ((uint)0x10000000) #define FCC_GFMR_TTX ((uint)0x08000000) -#define FCC_GFMR_TTX ((uint)0x08000000) #define FCC_GFMR_CDP ((uint)0x04000000) #define FCC_GFMR_CTSP ((uint)0x02000000) #define FCC_GFMR_CDS ((uint)0x01000000) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 0d4939ba48e..0fdd7eece6d 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -90,6 +90,18 @@ struct cpu_spec { * if the error is fatal, 1 if it was fully recovered and 0 to * pass up (not CPU originated) */ int (*machine_check)(struct pt_regs *regs); + + /* + * Processor specific early machine check handler which is + * called in real mode to handle SLB and TLB errors. + */ + long (*machine_check_early)(struct pt_regs *regs); + + /* + * Processor specific routine to flush tlbs. + */ + void (*flush_tlb)(unsigned long inval_selector); + }; extern struct cpu_spec *cur_cpu_spec; @@ -177,6 +189,7 @@ extern const char *powerpc_base_platform; #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0200000000000000) #define CPU_FTR_DAWR LONG_ASM_CONST(0x0400000000000000) #define CPU_FTR_DABRX LONG_ASM_CONST(0x0800000000000000) +#define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x1000000000000000) #ifndef __ASSEMBLY__ @@ -433,6 +446,8 @@ extern const char *powerpc_base_platform; CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP) +#define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG) +#define CPU_FTRS_POWER8_DD1 (CPU_FTRS_POWER8 & ~CPU_FTR_DBELL) #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ @@ -454,8 +469,8 @@ extern const char *powerpc_base_platform; #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \ - CPU_FTRS_POWER7 | CPU_FTRS_POWER8 | CPU_FTRS_CELL | \ - CPU_FTRS_PA6T | CPU_FTR_VSX) + CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \ + CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_VSX) #endif #else enum { diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h index ac3eedb9b74..2bf8e9307be 100644 --- a/arch/powerpc/include/asm/cputhreads.h +++ b/arch/powerpc/include/asm/cputhreads.h @@ -18,10 +18,12 @@ #ifdef CONFIG_SMP extern int threads_per_core; +extern int threads_per_subcore; extern int threads_shift; extern cpumask_t threads_core_mask; #else #define threads_per_core 1 +#define threads_per_subcore 1 #define threads_shift 0 #define threads_core_mask (CPU_MASK_CPU0) #endif @@ -74,6 +76,11 @@ static inline int cpu_thread_in_core(int cpu) return cpu & (threads_per_core - 1); } +static inline int cpu_thread_in_subcore(int cpu) +{ + return cpu & (threads_per_subcore - 1); +} + static inline int cpu_first_thread_sibling(int cpu) { return cpu & ~(threads_per_core - 1); diff --git a/arch/powerpc/include/asm/dcr-mmio.h b/arch/powerpc/include/asm/dcr-mmio.h index acd491dbd45..93a68b28e69 100644 --- a/arch/powerpc/include/asm/dcr-mmio.h +++ b/arch/powerpc/include/asm/dcr-mmio.h @@ -51,10 +51,6 @@ static inline void dcr_write_mmio(dcr_host_mmio_t host, out_be32(host.token + ((host.base + dcr_n) * host.stride), value); } -extern u64 of_translate_dcr_address(struct device_node *dev, - unsigned int dcr_n, - unsigned int *stride); - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DCR_MMIO_H */ diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h index d2516308ed1..a954e497504 100644 --- a/arch/powerpc/include/asm/debug.h +++ b/arch/powerpc/include/asm/debug.h @@ -46,7 +46,8 @@ static inline int debugger_break_match(struct pt_regs *regs) { return 0; } static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } #endif -int set_breakpoint(struct arch_hw_breakpoint *brk); +void set_breakpoint(struct arch_hw_breakpoint *brk); +void __set_breakpoint(struct arch_hw_breakpoint *brk); #ifdef CONFIG_PPC_ADV_DEBUG_REGS extern void do_send_trap(struct pt_regs *regs, unsigned long address, unsigned long error_code, int signal_code, int brkpt); diff --git a/arch/powerpc/include/asm/disassemble.h b/arch/powerpc/include/asm/disassemble.h index 9b198d1b3b2..6330a61b875 100644 --- a/arch/powerpc/include/asm/disassemble.h +++ b/arch/powerpc/include/asm/disassemble.h @@ -77,4 +77,42 @@ static inline unsigned int get_d(u32 inst) return inst & 0xffff; } +static inline unsigned int get_oc(u32 inst) +{ + return (inst >> 11) & 0x7fff; +} + +#define IS_XFORM(inst) (get_op(inst) == 31) +#define IS_DSFORM(inst) (get_op(inst) >= 56) + +/* + * Create a DSISR value from the instruction + */ +static inline unsigned make_dsisr(unsigned instr) +{ + unsigned dsisr; + + + /* bits 6:15 --> 22:31 */ + dsisr = (instr & 0x03ff0000) >> 16; + + if (IS_XFORM(instr)) { + /* bits 29:30 --> 15:16 */ + dsisr |= (instr & 0x00000006) << 14; + /* bit 25 --> 17 */ + dsisr |= (instr & 0x00000040) << 8; + /* bits 21:24 --> 18:21 */ + dsisr |= (instr & 0x00000780) << 3; + } else { + /* bit 5 --> 17 */ + dsisr |= (instr & 0x04000000) >> 12; + /* bits 1: 4 --> 18:21 */ + dsisr |= (instr & 0x78000000) >> 17; + /* bits 30:31 --> 12:13 */ + if (IS_DSFORM(instr)) + dsisr |= (instr & 0x00000003) << 18; + } + + return dsisr; +} #endif /* __ASM_PPC_DISASSEMBLE_H__ */ diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index e27e9ad6818..150866b2a3f 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -134,6 +134,7 @@ static inline int dma_supported(struct device *dev, u64 mask) } extern int dma_set_mask(struct device *dev, u64 dma_mask); +extern int __dma_set_mask(struct device *dev, u64 dma_mask); #define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index d3e5e9bc8f9..fab7743c264 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -32,6 +32,22 @@ struct device_node; #ifdef CONFIG_EEH +/* EEH subsystem flags */ +#define EEH_ENABLED 0x1 /* EEH enabled */ +#define EEH_FORCE_DISABLED 0x2 /* EEH disabled */ +#define EEH_PROBE_MODE_DEV 0x4 /* From PCI device */ +#define EEH_PROBE_MODE_DEVTREE 0x8 /* From device tree */ + +/* + * Delay for PE reset, all in ms + * + * PCI specification has reset hold time of 100 milliseconds. + * We have 250 milliseconds here. The PCI bus settlement time + * is specified as 1.5 seconds and we have 1.8 seconds. + */ +#define EEH_PE_RST_HOLD_TIME 250 +#define EEH_PE_RST_SETTLE_TIME 1800 + /* * The struct is used to trace PE related EEH functionality. * In theory, there will have one instance of the struct to @@ -53,7 +69,7 @@ struct device_node; #define EEH_PE_ISOLATED (1 << 0) /* Isolated PE */ #define EEH_PE_RECOVERING (1 << 1) /* Recovering PE */ -#define EEH_PE_PHB_DEAD (1 << 2) /* Dead PHB */ +#define EEH_PE_RESET (1 << 2) /* PE reset in progress */ #define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */ @@ -90,7 +106,9 @@ struct eeh_pe { #define EEH_DEV_IRQ_DISABLED (1 << 3) /* Interrupt disabled */ #define EEH_DEV_DISCONNECTED (1 << 4) /* Removing from PE */ -#define EEH_DEV_SYSFS (1 << 8) /* Sysfs created */ +#define EEH_DEV_NO_HANDLER (1 << 8) /* No error handler */ +#define EEH_DEV_SYSFS (1 << 9) /* Sysfs created */ +#define EEH_DEV_REMOVED (1 << 10) /* Removed permanently */ struct eeh_dev { int mode; /* EEH mode */ @@ -98,7 +116,9 @@ struct eeh_dev { int config_addr; /* Config address */ int pe_config_addr; /* PE config address */ u32 config_space[16]; /* Saved PCI config space */ - u8 pcie_cap; /* Saved PCIe capability */ + int pcix_cap; /* Saved PCIx capability */ + int pcie_cap; /* Saved PCIe capability */ + int aer_cap; /* Saved AER capability */ struct eeh_pe *pe; /* Associated PE */ struct list_head list; /* Form link list in the PE */ struct pci_controller *phb; /* Associated PHB */ @@ -117,6 +137,16 @@ static inline struct pci_dev *eeh_dev_to_pci_dev(struct eeh_dev *edev) return edev ? edev->pdev : NULL; } +/* Return values from eeh_ops::next_error */ +enum { + EEH_NEXT_ERR_NONE = 0, + EEH_NEXT_ERR_INF, + EEH_NEXT_ERR_FROZEN_PE, + EEH_NEXT_ERR_FENCED_PHB, + EEH_NEXT_ERR_DEAD_PHB, + EEH_NEXT_ERR_DEAD_IOC +}; + /* * The struct is used to trace the registered EEH operation * callback functions. Actually, those operation callback @@ -157,29 +187,43 @@ struct eeh_ops { int (*read_config)(struct device_node *dn, int where, int size, u32 *val); int (*write_config)(struct device_node *dn, int where, int size, u32 val); int (*next_error)(struct eeh_pe **pe); + int (*restore_config)(struct device_node *dn); }; +extern int eeh_subsystem_flags; extern struct eeh_ops *eeh_ops; -extern int eeh_subsystem_enabled; extern raw_spinlock_t confirm_error_lock; -extern int eeh_probe_mode; -#define EEH_PROBE_MODE_DEV (1<<0) /* From PCI device */ -#define EEH_PROBE_MODE_DEVTREE (1<<1) /* From device tree */ +static inline bool eeh_enabled(void) +{ + if ((eeh_subsystem_flags & EEH_FORCE_DISABLED) || + !(eeh_subsystem_flags & EEH_ENABLED)) + return false; + + return true; +} + +static inline void eeh_set_enable(bool mode) +{ + if (mode) + eeh_subsystem_flags |= EEH_ENABLED; + else + eeh_subsystem_flags &= ~EEH_ENABLED; +} static inline void eeh_probe_mode_set(int flag) { - eeh_probe_mode = flag; + eeh_subsystem_flags |= flag; } static inline int eeh_probe_mode_devtree(void) { - return (eeh_probe_mode == EEH_PROBE_MODE_DEVTREE); + return (eeh_subsystem_flags & EEH_PROBE_MODE_DEVTREE); } static inline int eeh_probe_mode_dev(void) { - return (eeh_probe_mode == EEH_PROBE_MODE_DEV); + return (eeh_subsystem_flags & EEH_PROBE_MODE_DEV); } static inline void eeh_serialize_lock(unsigned long *flags) @@ -210,6 +254,7 @@ void *eeh_pe_traverse(struct eeh_pe *root, void *eeh_pe_dev_traverse(struct eeh_pe *root, eeh_traverse_func fn, void *flag); void eeh_pe_restore_bars(struct eeh_pe *pe); +const char *eeh_pe_loc_get(struct eeh_pe *pe); struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe); void *eeh_dev_init(struct device_node *dn, void *data); @@ -234,7 +279,7 @@ void eeh_remove_device(struct pci_dev *); * If this macro yields TRUE, the caller relays to eeh_check_failure() * which does further tests out of line. */ -#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_subsystem_enabled) +#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_enabled()) /* * Reads from a device which has been isolated by EEH will return @@ -245,6 +290,13 @@ void eeh_remove_device(struct pci_dev *); #else /* !CONFIG_EEH */ +static inline bool eeh_enabled(void) +{ + return false; +} + +static inline void eeh_set_enable(bool mode) { } + static inline int eeh_init(void) { return 0; diff --git a/arch/powerpc/include/asm/eeh_event.h b/arch/powerpc/include/asm/eeh_event.h index 89d5670b2ee..1e551a2d6f8 100644 --- a/arch/powerpc/include/asm/eeh_event.h +++ b/arch/powerpc/include/asm/eeh_event.h @@ -33,7 +33,7 @@ struct eeh_event { int eeh_event_init(void); int eeh_send_failure_event(struct eeh_pe *pe); -void eeh_remove_event(struct eeh_pe *pe); +void eeh_remove_event(struct eeh_pe *pe, bool force); void eeh_handle_event(struct eeh_pe *pe); #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index cc0655a702a..888d8f3f252 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -31,6 +31,8 @@ extern unsigned long randomize_et_dyn(unsigned long base); #define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000)) +#define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0) + /* * Our registers are always unsigned longs, whether we're a 32 bit * process or 64 bit, on either a 64 bit or 32 bit kernel. @@ -86,6 +88,10 @@ typedef elf_vrregset_t elf_fpxregset_t; #ifdef __powerpc64__ # define SET_PERSONALITY(ex) \ do { \ + if (((ex).e_flags & 0x3) == 2) \ + set_thread_flag(TIF_ELF2ABI); \ + else \ + clear_thread_flag(TIF_ELF2ABI); \ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ set_thread_flag(TIF_32BIT); \ else \ diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h index 5a8b82aa724..f00e10e2a33 100644 --- a/arch/powerpc/include/asm/emulated_ops.h +++ b/arch/powerpc/include/asm/emulated_ops.h @@ -43,6 +43,7 @@ extern struct ppc_emulated { struct ppc_emulated_entry popcntb; struct ppc_emulated_entry spe; struct ppc_emulated_entry string; + struct ppc_emulated_entry sync; struct ppc_emulated_entry unaligned; #ifdef CONFIG_MATH_EMULATION struct ppc_emulated_entry math; @@ -53,6 +54,7 @@ extern struct ppc_emulated { #ifdef CONFIG_PPC64 struct ppc_emulated_entry mfdscr; struct ppc_emulated_entry mtdscr; + struct ppc_emulated_entry lq_stq; #endif } ppc_emulated; diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h index 86b0ac79990..334459ad145 100644 --- a/arch/powerpc/include/asm/epapr_hcalls.h +++ b/arch/powerpc/include/asm/epapr_hcalls.h @@ -460,5 +460,116 @@ static inline unsigned int ev_idle(void) return r3; } + +#ifdef CONFIG_EPAPR_PARAVIRT +static inline unsigned long epapr_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr) +{ + unsigned long register r0 asm("r0"); + unsigned long register r3 asm("r3") = in[0]; + unsigned long register r4 asm("r4") = in[1]; + unsigned long register r5 asm("r5") = in[2]; + unsigned long register r6 asm("r6") = in[3]; + unsigned long register r7 asm("r7") = in[4]; + unsigned long register r8 asm("r8") = in[5]; + unsigned long register r9 asm("r9") = in[6]; + unsigned long register r10 asm("r10") = in[7]; + unsigned long register r11 asm("r11") = nr; + unsigned long register r12 asm("r12"); + + asm volatile("bl epapr_hypercall_start" + : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6), + "=r"(r7), "=r"(r8), "=r"(r9), "=r"(r10), "=r"(r11), + "=r"(r12) + : "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "r"(r8), + "r"(r9), "r"(r10), "r"(r11) + : "memory", "cc", "xer", "ctr", "lr"); + + out[0] = r4; + out[1] = r5; + out[2] = r6; + out[3] = r7; + out[4] = r8; + out[5] = r9; + out[6] = r10; + out[7] = r11; + + return r3; +} +#else +static unsigned long epapr_hypercall(unsigned long *in, + unsigned long *out, + unsigned long nr) +{ + return EV_UNIMPLEMENTED; +} +#endif + +static inline long epapr_hypercall0_1(unsigned int nr, unsigned long *r2) +{ + unsigned long in[8]; + unsigned long out[8]; + unsigned long r; + + r = epapr_hypercall(in, out, nr); + *r2 = out[0]; + + return r; +} + +static inline long epapr_hypercall0(unsigned int nr) +{ + unsigned long in[8]; + unsigned long out[8]; + + return epapr_hypercall(in, out, nr); +} + +static inline long epapr_hypercall1(unsigned int nr, unsigned long p1) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + return epapr_hypercall(in, out, nr); +} + +static inline long epapr_hypercall2(unsigned int nr, unsigned long p1, + unsigned long p2) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + return epapr_hypercall(in, out, nr); +} + +static inline long epapr_hypercall3(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + in[2] = p3; + return epapr_hypercall(in, out, nr); +} + +static inline long epapr_hypercall4(unsigned int nr, unsigned long p1, + unsigned long p2, unsigned long p3, + unsigned long p4) +{ + unsigned long in[8]; + unsigned long out[8]; + + in[0] = p1; + in[1] = p2; + in[2] = p3; + in[3] = p4; + return epapr_hypercall(in, out, nr); +} #endif /* !__ASSEMBLY__ */ #endif /* _EPAPR_HCALLS_H */ diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h index 51fa43e536b..a8b52b61043 100644 --- a/arch/powerpc/include/asm/exception-64e.h +++ b/arch/powerpc/include/asm/exception-64e.h @@ -46,9 +46,8 @@ #define EX_CR (1 * 8) #define EX_R10 (2 * 8) #define EX_R11 (3 * 8) -#define EX_R13 (4 * 8) -#define EX_R14 (5 * 8) -#define EX_R15 (6 * 8) +#define EX_R14 (4 * 8) +#define EX_R15 (5 * 8) /* * The TLB miss exception uses different slots. @@ -173,22 +172,12 @@ exc_##label##_book3e: ld r9,EX_TLB_R9(r12); \ ld r8,EX_TLB_R8(r12); \ mtlr r16; -#define TLB_MISS_PROLOG_STATS_BOLTED \ - mflr r10; \ - std r8,PACA_EXTLB+EX_TLB_R8(r13); \ - std r9,PACA_EXTLB+EX_TLB_R9(r13); \ - std r10,PACA_EXTLB+EX_TLB_LR(r13); -#define TLB_MISS_RESTORE_STATS_BOLTED \ - ld r16,PACA_EXTLB+EX_TLB_LR(r13); \ - ld r9,PACA_EXTLB+EX_TLB_R9(r13); \ - ld r8,PACA_EXTLB+EX_TLB_R8(r13); \ - mtlr r16; #define TLB_MISS_STATS_D(name) \ addi r9,r13,MMSTAT_DSTATS+name; \ - bl .tlb_stat_inc; + bl tlb_stat_inc; #define TLB_MISS_STATS_I(name) \ addi r9,r13,MMSTAT_ISTATS+name; \ - bl .tlb_stat_inc; + bl tlb_stat_inc; #define TLB_MISS_STATS_X(name) \ ld r8,PACA_EXTLB+EX_TLB_ESR(r13); \ cmpdi cr2,r8,-1; \ @@ -196,7 +185,7 @@ exc_##label##_book3e: addi r9,r13,MMSTAT_DSTATS+name; \ b 62f; \ 61: addi r9,r13,MMSTAT_ISTATS+name; \ -62: bl .tlb_stat_inc; +62: bl tlb_stat_inc; #define TLB_MISS_STATS_SAVE_INFO \ std r14,EX_TLB_ESR(r12); /* save ESR */ #define TLB_MISS_STATS_SAVE_INFO_BOLTED \ diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index cca12f08484..8f35cd7d59c 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -147,6 +147,14 @@ BEGIN_FTR_SECTION_NESTED(943) \ END_FTR_SECTION_NESTED(ftr,ftr,943) /* + * Set an SPR from a register if the CPU has the given feature + */ +#define OPT_SET_SPR(ra, spr, ftr) \ +BEGIN_FTR_SECTION_NESTED(943) \ + mtspr spr,ra; \ +END_FTR_SECTION_NESTED(ftr,ftr,943) + +/* * Save a register to the PACA if the CPU has the given feature */ #define OPT_SAVE_REG_TO_PACA(offset, ra, ftr) \ @@ -198,12 +206,27 @@ END_FTR_SECTION_NESTED(ftr,ftr,943) cmpwi r10,0; \ bne do_kvm_##n +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE +/* + * If hv is possible, interrupts come into to the hv version + * of the kvmppc_interrupt code, which then jumps to the PR handler, + * kvmppc_interrupt_pr, if the guest is a PR guest. + */ +#define kvmppc_interrupt kvmppc_interrupt_hv +#else +#define kvmppc_interrupt kvmppc_interrupt_pr +#endif + #define __KVM_HANDLER(area, h, n) \ do_kvm_##n: \ BEGIN_FTR_SECTION_NESTED(947) \ ld r10,area+EX_CFAR(r13); \ std r10,HSTATE_CFAR(r13); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR,CPU_FTR_CFAR,947); \ + BEGIN_FTR_SECTION_NESTED(948) \ + ld r10,area+EX_PPR(r13); \ + std r10,HSTATE_PPR(r13); \ + END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948); \ ld r10,area+EX_R10(r13); \ stw r9,HSTATE_SCRATCH1(r13); \ ld r9,area+EX_R9(r13); \ @@ -217,6 +240,10 @@ do_kvm_##n: \ ld r10,area+EX_R10(r13); \ beq 89f; \ stw r9,HSTATE_SCRATCH1(r13); \ + BEGIN_FTR_SECTION_NESTED(948) \ + ld r9,area+EX_PPR(r13); \ + std r9,HSTATE_PPR(r13); \ + END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948); \ ld r9,area+EX_R9(r13); \ std r12,HSTATE_SCRATCH0(r13); \ li r12,n; \ @@ -236,7 +263,7 @@ do_kvm_##n: \ #define KVM_HANDLER_SKIP(area, h, n) #endif -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE #define KVMTEST_PR(n) __KVMTEST(n) #define KVM_HANDLER_PR(area, h, n) __KVM_HANDLER(area, h, n) #define KVM_HANDLER_PR_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n) @@ -265,7 +292,7 @@ do_kvm_##n: \ subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \ beq- 1f; \ ld r1,PACAKSAVE(r13); /* kernel stack to use */ \ -1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \ +1: cmpdi cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace */ \ blt+ cr1,3f; /* abort if it is */ \ li r1,(n); /* will be reloaded later */ \ sth r1,PACA_TRAP_SAVE(r13); \ @@ -282,9 +309,12 @@ do_kvm_##n: \ beq 4f; /* if from kernel mode */ \ ACCOUNT_CPU_USER_ENTRY(r9, r10); \ SAVE_PPR(area, r9, r10); \ -4: std r2,GPR2(r1); /* save r2 in stackframe */ \ - SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \ - SAVE_2GPRS(7, r1); /* save r7, r8 in stackframe */ \ +4: EXCEPTION_PROLOG_COMMON_2(area) \ + EXCEPTION_PROLOG_COMMON_3(n) \ + ACCOUNT_STOLEN_TIME + +/* Save original regs values from save area to stack frame. */ +#define EXCEPTION_PROLOG_COMMON_2(area) \ ld r9,area+EX_R9(r13); /* move r9, r10 to stackframe */ \ ld r10,area+EX_R10(r13); \ std r9,GPR9(r1); \ @@ -299,11 +329,16 @@ do_kvm_##n: \ ld r10,area+EX_CFAR(r13); \ std r10,ORIG_GPR3(r1); \ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66); \ + GET_CTR(r10, area); \ + std r10,_CTR(r1); + +#define EXCEPTION_PROLOG_COMMON_3(n) \ + std r2,GPR2(r1); /* save r2 in stackframe */ \ + SAVE_4GPRS(3, r1); /* save r3 - r6 in stackframe */ \ + SAVE_2GPRS(7, r1); /* save r7, r8 in stackframe */ \ mflr r9; /* Get LR, later save to stack */ \ ld r2,PACATOC(r13); /* get kernel TOC into r2 */ \ std r9,_LINK(r1); \ - GET_CTR(r10, area); \ - std r10,_CTR(r1); \ lbz r10,PACASOFTIRQEN(r13); \ mfspr r11,SPRN_XER; /* save XER in stackframe */ \ std r10,SOFTE(r1); \ @@ -313,8 +348,7 @@ do_kvm_##n: \ li r10,0; \ ld r11,exception_marker@toc(r2); \ std r10,RESULT(r1); /* clear regs->result */ \ - std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ \ - ACCOUNT_STOLEN_TIME + std r11,STACK_FRAME_OVERHEAD-16(r1); /* mark the frame */ /* * Exception vectors. @@ -483,7 +517,7 @@ label##_relon_hv: \ #define DISABLE_INTS RECONCILE_IRQ_STATE(r10,r11) #define ADD_NVGPRS \ - bl .save_nvgprs + bl save_nvgprs #define RUNLATCH_ON \ BEGIN_FTR_SECTION \ diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h index 88dbf965918..a6774560afe 100644 --- a/arch/powerpc/include/asm/fadump.h +++ b/arch/powerpc/include/asm/fadump.h @@ -210,7 +210,6 @@ extern int is_fadump_active(void); extern void crash_fadump(struct pt_regs *, const char *); extern void fadump_cleanup(void); -extern void vmcore_cleanup(void); #else /* CONFIG_FA_DUMP */ static inline int is_fadump_active(void) { return 0; } static inline void crash_fadump(struct pt_regs *regs, const char *str) { } diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h index 5c2c0233175..90f604bbcd1 100644 --- a/arch/powerpc/include/asm/fixmap.h +++ b/arch/powerpc/include/asm/fixmap.h @@ -58,52 +58,12 @@ enum fixed_addresses { extern void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags); -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -/* - * Some hardware wants to get fixmapped without caching. - */ -#define set_fixmap_nocache(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL_NCG) - -#define clear_fixmap(idx) \ - __set_fixmap(idx, 0, __pgprot(0)) - #define __FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE) -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) -#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) - -extern void __this_fixmap_does_not_exist(void); - -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static __always_inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); - - return __fix_to_virt(idx); -} +#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NCG -static inline unsigned long virt_to_fix(const unsigned long vaddr) -{ - BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); - return __virt_to_fix(vaddr); -} +#include <asm-generic/fixmap.h> #endif /* !__ASSEMBLY__ */ #endif diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h deleted file mode 100644 index b8a4b9bc50b..00000000000 --- a/arch/powerpc/include/asm/fsl_ifc.h +++ /dev/null @@ -1,836 +0,0 @@ -/* Freescale Integrated Flash Controller - * - * Copyright 2011 Freescale Semiconductor, Inc - * - * Author: Dipen Dudhat <dipen.dudhat@freescale.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_FSL_IFC_H -#define __ASM_FSL_IFC_H - -#include <linux/compiler.h> -#include <linux/types.h> -#include <linux/io.h> - -#include <linux/of_platform.h> -#include <linux/interrupt.h> - -#define FSL_IFC_BANK_COUNT 4 - -/* - * CSPR - Chip Select Property Register - */ -#define CSPR_BA 0xFFFF0000 -#define CSPR_BA_SHIFT 16 -#define CSPR_PORT_SIZE 0x00000180 -#define CSPR_PORT_SIZE_SHIFT 7 -/* Port Size 8 bit */ -#define CSPR_PORT_SIZE_8 0x00000080 -/* Port Size 16 bit */ -#define CSPR_PORT_SIZE_16 0x00000100 -/* Port Size 32 bit */ -#define CSPR_PORT_SIZE_32 0x00000180 -/* Write Protect */ -#define CSPR_WP 0x00000040 -#define CSPR_WP_SHIFT 6 -/* Machine Select */ -#define CSPR_MSEL 0x00000006 -#define CSPR_MSEL_SHIFT 1 -/* NOR */ -#define CSPR_MSEL_NOR 0x00000000 -/* NAND */ -#define CSPR_MSEL_NAND 0x00000002 -/* GPCM */ -#define CSPR_MSEL_GPCM 0x00000004 -/* Bank Valid */ -#define CSPR_V 0x00000001 -#define CSPR_V_SHIFT 0 - -/* - * Address Mask Register - */ -#define IFC_AMASK_MASK 0xFFFF0000 -#define IFC_AMASK_SHIFT 16 -#define IFC_AMASK(n) (IFC_AMASK_MASK << \ - (__ilog2(n) - IFC_AMASK_SHIFT)) - -/* - * Chip Select Option Register IFC_NAND Machine - */ -/* Enable ECC Encoder */ -#define CSOR_NAND_ECC_ENC_EN 0x80000000 -#define CSOR_NAND_ECC_MODE_MASK 0x30000000 -/* 4 bit correction per 520 Byte sector */ -#define CSOR_NAND_ECC_MODE_4 0x00000000 -/* 8 bit correction per 528 Byte sector */ -#define CSOR_NAND_ECC_MODE_8 0x10000000 -/* Enable ECC Decoder */ -#define CSOR_NAND_ECC_DEC_EN 0x04000000 -/* Row Address Length */ -#define CSOR_NAND_RAL_MASK 0x01800000 -#define CSOR_NAND_RAL_SHIFT 20 -#define CSOR_NAND_RAL_1 0x00000000 -#define CSOR_NAND_RAL_2 0x00800000 -#define CSOR_NAND_RAL_3 0x01000000 -#define CSOR_NAND_RAL_4 0x01800000 -/* Page Size 512b, 2k, 4k */ -#define CSOR_NAND_PGS_MASK 0x00180000 -#define CSOR_NAND_PGS_SHIFT 16 -#define CSOR_NAND_PGS_512 0x00000000 -#define CSOR_NAND_PGS_2K 0x00080000 -#define CSOR_NAND_PGS_4K 0x00100000 -/* Spare region Size */ -#define CSOR_NAND_SPRZ_MASK 0x0000E000 -#define CSOR_NAND_SPRZ_SHIFT 13 -#define CSOR_NAND_SPRZ_16 0x00000000 -#define CSOR_NAND_SPRZ_64 0x00002000 -#define CSOR_NAND_SPRZ_128 0x00004000 -#define CSOR_NAND_SPRZ_210 0x00006000 -#define CSOR_NAND_SPRZ_218 0x00008000 -#define CSOR_NAND_SPRZ_224 0x0000A000 -/* Pages Per Block */ -#define CSOR_NAND_PB_MASK 0x00000700 -#define CSOR_NAND_PB_SHIFT 8 -#define CSOR_NAND_PB(n) ((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT) -/* Time for Read Enable High to Output High Impedance */ -#define CSOR_NAND_TRHZ_MASK 0x0000001C -#define CSOR_NAND_TRHZ_SHIFT 2 -#define CSOR_NAND_TRHZ_20 0x00000000 -#define CSOR_NAND_TRHZ_40 0x00000004 -#define CSOR_NAND_TRHZ_60 0x00000008 -#define CSOR_NAND_TRHZ_80 0x0000000C -#define CSOR_NAND_TRHZ_100 0x00000010 -/* Buffer control disable */ -#define CSOR_NAND_BCTLD 0x00000001 - -/* - * Chip Select Option Register - NOR Flash Mode - */ -/* Enable Address shift Mode */ -#define CSOR_NOR_ADM_SHFT_MODE_EN 0x80000000 -/* Page Read Enable from NOR device */ -#define CSOR_NOR_PGRD_EN 0x10000000 -/* AVD Toggle Enable during Burst Program */ -#define CSOR_NOR_AVD_TGL_PGM_EN 0x01000000 -/* Address Data Multiplexing Shift */ -#define CSOR_NOR_ADM_MASK 0x0003E000 -#define CSOR_NOR_ADM_SHIFT_SHIFT 13 -#define CSOR_NOR_ADM_SHIFT(n) ((n) << CSOR_NOR_ADM_SHIFT_SHIFT) -/* Type of the NOR device hooked */ -#define CSOR_NOR_NOR_MODE_AYSNC_NOR 0x00000000 -#define CSOR_NOR_NOR_MODE_AVD_NOR 0x00000020 -/* Time for Read Enable High to Output High Impedance */ -#define CSOR_NOR_TRHZ_MASK 0x0000001C -#define CSOR_NOR_TRHZ_SHIFT 2 -#define CSOR_NOR_TRHZ_20 0x00000000 -#define CSOR_NOR_TRHZ_40 0x00000004 -#define CSOR_NOR_TRHZ_60 0x00000008 -#define CSOR_NOR_TRHZ_80 0x0000000C -#define CSOR_NOR_TRHZ_100 0x00000010 -/* Buffer control disable */ -#define CSOR_NOR_BCTLD 0x00000001 - -/* - * Chip Select Option Register - GPCM Mode - */ -/* GPCM Mode - Normal */ -#define CSOR_GPCM_GPMODE_NORMAL 0x00000000 -/* GPCM Mode - GenericASIC */ -#define CSOR_GPCM_GPMODE_ASIC 0x80000000 -/* Parity Mode odd/even */ -#define CSOR_GPCM_PARITY_EVEN 0x40000000 -/* Parity Checking enable/disable */ -#define CSOR_GPCM_PAR_EN 0x20000000 -/* GPCM Timeout Count */ -#define CSOR_GPCM_GPTO_MASK 0x0F000000 -#define CSOR_GPCM_GPTO_SHIFT 24 -#define CSOR_GPCM_GPTO(n) ((__ilog2(n) - 8) << CSOR_GPCM_GPTO_SHIFT) -/* GPCM External Access Termination mode for read access */ -#define CSOR_GPCM_RGETA_EXT 0x00080000 -/* GPCM External Access Termination mode for write access */ -#define CSOR_GPCM_WGETA_EXT 0x00040000 -/* Address Data Multiplexing Shift */ -#define CSOR_GPCM_ADM_MASK 0x0003E000 -#define CSOR_GPCM_ADM_SHIFT_SHIFT 13 -#define CSOR_GPCM_ADM_SHIFT(n) ((n) << CSOR_GPCM_ADM_SHIFT_SHIFT) -/* Generic ASIC Parity error indication delay */ -#define CSOR_GPCM_GAPERRD_MASK 0x00000180 -#define CSOR_GPCM_GAPERRD_SHIFT 7 -#define CSOR_GPCM_GAPERRD(n) (((n) - 1) << CSOR_GPCM_GAPERRD_SHIFT) -/* Time for Read Enable High to Output High Impedance */ -#define CSOR_GPCM_TRHZ_MASK 0x0000001C -#define CSOR_GPCM_TRHZ_20 0x00000000 -#define CSOR_GPCM_TRHZ_40 0x00000004 -#define CSOR_GPCM_TRHZ_60 0x00000008 -#define CSOR_GPCM_TRHZ_80 0x0000000C -#define CSOR_GPCM_TRHZ_100 0x00000010 -/* Buffer control disable */ -#define CSOR_GPCM_BCTLD 0x00000001 - -/* - * Ready Busy Status Register (RB_STAT) - */ -/* CSn is READY */ -#define IFC_RB_STAT_READY_CS0 0x80000000 -#define IFC_RB_STAT_READY_CS1 0x40000000 -#define IFC_RB_STAT_READY_CS2 0x20000000 -#define IFC_RB_STAT_READY_CS3 0x10000000 - -/* - * General Control Register (GCR) - */ -#define IFC_GCR_MASK 0x8000F800 -/* reset all IFC hardware */ -#define IFC_GCR_SOFT_RST_ALL 0x80000000 -/* Turnaroud Time of external buffer */ -#define IFC_GCR_TBCTL_TRN_TIME 0x0000F800 -#define IFC_GCR_TBCTL_TRN_TIME_SHIFT 11 - -/* - * Common Event and Error Status Register (CM_EVTER_STAT) - */ -/* Chip select error */ -#define IFC_CM_EVTER_STAT_CSER 0x80000000 - -/* - * Common Event and Error Enable Register (CM_EVTER_EN) - */ -/* Chip select error checking enable */ -#define IFC_CM_EVTER_EN_CSEREN 0x80000000 - -/* - * Common Event and Error Interrupt Enable Register (CM_EVTER_INTR_EN) - */ -/* Chip select error interrupt enable */ -#define IFC_CM_EVTER_INTR_EN_CSERIREN 0x80000000 - -/* - * Common Transfer Error Attribute Register-0 (CM_ERATTR0) - */ -/* transaction type of error Read/Write */ -#define IFC_CM_ERATTR0_ERTYP_READ 0x80000000 -#define IFC_CM_ERATTR0_ERAID 0x0FF00000 -#define IFC_CM_ERATTR0_ERAID_SHIFT 20 -#define IFC_CM_ERATTR0_ESRCID 0x0000FF00 -#define IFC_CM_ERATTR0_ESRCID_SHIFT 8 - -/* - * Clock Control Register (CCR) - */ -#define IFC_CCR_MASK 0x0F0F8800 -/* Clock division ratio */ -#define IFC_CCR_CLK_DIV_MASK 0x0F000000 -#define IFC_CCR_CLK_DIV_SHIFT 24 -#define IFC_CCR_CLK_DIV(n) ((n-1) << IFC_CCR_CLK_DIV_SHIFT) -/* IFC Clock Delay */ -#define IFC_CCR_CLK_DLY_MASK 0x000F0000 -#define IFC_CCR_CLK_DLY_SHIFT 16 -#define IFC_CCR_CLK_DLY(n) ((n) << IFC_CCR_CLK_DLY_SHIFT) -/* Invert IFC clock before sending out */ -#define IFC_CCR_INV_CLK_EN 0x00008000 -/* Fedback IFC Clock */ -#define IFC_CCR_FB_IFC_CLK_SEL 0x00000800 - -/* - * Clock Status Register (CSR) - */ -/* Clk is stable */ -#define IFC_CSR_CLK_STAT_STABLE 0x80000000 - -/* - * IFC_NAND Machine Specific Registers - */ -/* - * NAND Configuration Register (NCFGR) - */ -/* Auto Boot Mode */ -#define IFC_NAND_NCFGR_BOOT 0x80000000 -/* Addressing Mode-ROW0+n/COL0 */ -#define IFC_NAND_NCFGR_ADDR_MODE_RC0 0x00000000 -/* Addressing Mode-ROW0+n/COL0+n */ -#define IFC_NAND_NCFGR_ADDR_MODE_RC1 0x00400000 -/* Number of loop iterations of FIR sequences for multi page operations */ -#define IFC_NAND_NCFGR_NUM_LOOP_MASK 0x0000F000 -#define IFC_NAND_NCFGR_NUM_LOOP_SHIFT 12 -#define IFC_NAND_NCFGR_NUM_LOOP(n) ((n) << IFC_NAND_NCFGR_NUM_LOOP_SHIFT) -/* Number of wait cycles */ -#define IFC_NAND_NCFGR_NUM_WAIT_MASK 0x000000FF -#define IFC_NAND_NCFGR_NUM_WAIT_SHIFT 0 - -/* - * NAND Flash Command Registers (NAND_FCR0/NAND_FCR1) - */ -/* General purpose FCM flash command bytes CMD0-CMD7 */ -#define IFC_NAND_FCR0_CMD0 0xFF000000 -#define IFC_NAND_FCR0_CMD0_SHIFT 24 -#define IFC_NAND_FCR0_CMD1 0x00FF0000 -#define IFC_NAND_FCR0_CMD1_SHIFT 16 -#define IFC_NAND_FCR0_CMD2 0x0000FF00 -#define IFC_NAND_FCR0_CMD2_SHIFT 8 -#define IFC_NAND_FCR0_CMD3 0x000000FF -#define IFC_NAND_FCR0_CMD3_SHIFT 0 -#define IFC_NAND_FCR1_CMD4 0xFF000000 -#define IFC_NAND_FCR1_CMD4_SHIFT 24 -#define IFC_NAND_FCR1_CMD5 0x00FF0000 -#define IFC_NAND_FCR1_CMD5_SHIFT 16 -#define IFC_NAND_FCR1_CMD6 0x0000FF00 -#define IFC_NAND_FCR1_CMD6_SHIFT 8 -#define IFC_NAND_FCR1_CMD7 0x000000FF -#define IFC_NAND_FCR1_CMD7_SHIFT 0 - -/* - * Flash ROW and COL Address Register (ROWn, COLn) - */ -/* Main/spare region locator */ -#define IFC_NAND_COL_MS 0x80000000 -/* Column Address */ -#define IFC_NAND_COL_CA_MASK 0x00000FFF - -/* - * NAND Flash Byte Count Register (NAND_BC) - */ -/* Byte Count for read/Write */ -#define IFC_NAND_BC 0x000001FF - -/* - * NAND Flash Instruction Registers (NAND_FIR0/NAND_FIR1/NAND_FIR2) - */ -/* NAND Machine specific opcodes OP0-OP14*/ -#define IFC_NAND_FIR0_OP0 0xFC000000 -#define IFC_NAND_FIR0_OP0_SHIFT 26 -#define IFC_NAND_FIR0_OP1 0x03F00000 -#define IFC_NAND_FIR0_OP1_SHIFT 20 -#define IFC_NAND_FIR0_OP2 0x000FC000 -#define IFC_NAND_FIR0_OP2_SHIFT 14 -#define IFC_NAND_FIR0_OP3 0x00003F00 -#define IFC_NAND_FIR0_OP3_SHIFT 8 -#define IFC_NAND_FIR0_OP4 0x000000FC -#define IFC_NAND_FIR0_OP4_SHIFT 2 -#define IFC_NAND_FIR1_OP5 0xFC000000 -#define IFC_NAND_FIR1_OP5_SHIFT 26 -#define IFC_NAND_FIR1_OP6 0x03F00000 -#define IFC_NAND_FIR1_OP6_SHIFT 20 -#define IFC_NAND_FIR1_OP7 0x000FC000 -#define IFC_NAND_FIR1_OP7_SHIFT 14 -#define IFC_NAND_FIR1_OP8 0x00003F00 -#define IFC_NAND_FIR1_OP8_SHIFT 8 -#define IFC_NAND_FIR1_OP9 0x000000FC -#define IFC_NAND_FIR1_OP9_SHIFT 2 -#define IFC_NAND_FIR2_OP10 0xFC000000 -#define IFC_NAND_FIR2_OP10_SHIFT 26 -#define IFC_NAND_FIR2_OP11 0x03F00000 -#define IFC_NAND_FIR2_OP11_SHIFT 20 -#define IFC_NAND_FIR2_OP12 0x000FC000 -#define IFC_NAND_FIR2_OP12_SHIFT 14 -#define IFC_NAND_FIR2_OP13 0x00003F00 -#define IFC_NAND_FIR2_OP13_SHIFT 8 -#define IFC_NAND_FIR2_OP14 0x000000FC -#define IFC_NAND_FIR2_OP14_SHIFT 2 - -/* - * Instruction opcodes to be programmed - * in FIR registers- 6bits - */ -enum ifc_nand_fir_opcodes { - IFC_FIR_OP_NOP, - IFC_FIR_OP_CA0, - IFC_FIR_OP_CA1, - IFC_FIR_OP_CA2, - IFC_FIR_OP_CA3, - IFC_FIR_OP_RA0, - IFC_FIR_OP_RA1, - IFC_FIR_OP_RA2, - IFC_FIR_OP_RA3, - IFC_FIR_OP_CMD0, - IFC_FIR_OP_CMD1, - IFC_FIR_OP_CMD2, - IFC_FIR_OP_CMD3, - IFC_FIR_OP_CMD4, - IFC_FIR_OP_CMD5, - IFC_FIR_OP_CMD6, - IFC_FIR_OP_CMD7, - IFC_FIR_OP_CW0, - IFC_FIR_OP_CW1, - IFC_FIR_OP_CW2, - IFC_FIR_OP_CW3, - IFC_FIR_OP_CW4, - IFC_FIR_OP_CW5, - IFC_FIR_OP_CW6, - IFC_FIR_OP_CW7, - IFC_FIR_OP_WBCD, - IFC_FIR_OP_RBCD, - IFC_FIR_OP_BTRD, - IFC_FIR_OP_RDSTAT, - IFC_FIR_OP_NWAIT, - IFC_FIR_OP_WFR, - IFC_FIR_OP_SBRD, - IFC_FIR_OP_UA, - IFC_FIR_OP_RB, -}; - -/* - * NAND Chip Select Register (NAND_CSEL) - */ -#define IFC_NAND_CSEL 0x0C000000 -#define IFC_NAND_CSEL_SHIFT 26 -#define IFC_NAND_CSEL_CS0 0x00000000 -#define IFC_NAND_CSEL_CS1 0x04000000 -#define IFC_NAND_CSEL_CS2 0x08000000 -#define IFC_NAND_CSEL_CS3 0x0C000000 - -/* - * NAND Operation Sequence Start (NANDSEQ_STRT) - */ -/* NAND Flash Operation Start */ -#define IFC_NAND_SEQ_STRT_FIR_STRT 0x80000000 -/* Automatic Erase */ -#define IFC_NAND_SEQ_STRT_AUTO_ERS 0x00800000 -/* Automatic Program */ -#define IFC_NAND_SEQ_STRT_AUTO_PGM 0x00100000 -/* Automatic Copyback */ -#define IFC_NAND_SEQ_STRT_AUTO_CPB 0x00020000 -/* Automatic Read Operation */ -#define IFC_NAND_SEQ_STRT_AUTO_RD 0x00004000 -/* Automatic Status Read */ -#define IFC_NAND_SEQ_STRT_AUTO_STAT_RD 0x00000800 - -/* - * NAND Event and Error Status Register (NAND_EVTER_STAT) - */ -/* Operation Complete */ -#define IFC_NAND_EVTER_STAT_OPC 0x80000000 -/* Flash Timeout Error */ -#define IFC_NAND_EVTER_STAT_FTOER 0x08000000 -/* Write Protect Error */ -#define IFC_NAND_EVTER_STAT_WPER 0x04000000 -/* ECC Error */ -#define IFC_NAND_EVTER_STAT_ECCER 0x02000000 -/* RCW Load Done */ -#define IFC_NAND_EVTER_STAT_RCW_DN 0x00008000 -/* Boot Loadr Done */ -#define IFC_NAND_EVTER_STAT_BOOT_DN 0x00004000 -/* Bad Block Indicator search select */ -#define IFC_NAND_EVTER_STAT_BBI_SRCH_SE 0x00000800 - -/* - * NAND Flash Page Read Completion Event Status Register - * (PGRDCMPL_EVT_STAT) - */ -#define PGRDCMPL_EVT_STAT_MASK 0xFFFF0000 -/* Small Page 0-15 Done */ -#define PGRDCMPL_EVT_STAT_SECTION_SP(n) (1 << (31 - (n))) -/* Large Page(2K) 0-3 Done */ -#define PGRDCMPL_EVT_STAT_LP_2K(n) (0xF << (28 - (n)*4)) -/* Large Page(4K) 0-1 Done */ -#define PGRDCMPL_EVT_STAT_LP_4K(n) (0xFF << (24 - (n)*8)) - -/* - * NAND Event and Error Enable Register (NAND_EVTER_EN) - */ -/* Operation complete event enable */ -#define IFC_NAND_EVTER_EN_OPC_EN 0x80000000 -/* Page read complete event enable */ -#define IFC_NAND_EVTER_EN_PGRDCMPL_EN 0x20000000 -/* Flash Timeout error enable */ -#define IFC_NAND_EVTER_EN_FTOER_EN 0x08000000 -/* Write Protect error enable */ -#define IFC_NAND_EVTER_EN_WPER_EN 0x04000000 -/* ECC error logging enable */ -#define IFC_NAND_EVTER_EN_ECCER_EN 0x02000000 - -/* - * NAND Event and Error Interrupt Enable Register (NAND_EVTER_INTR_EN) - */ -/* Enable interrupt for operation complete */ -#define IFC_NAND_EVTER_INTR_OPCIR_EN 0x80000000 -/* Enable interrupt for Page read complete */ -#define IFC_NAND_EVTER_INTR_PGRDCMPLIR_EN 0x20000000 -/* Enable interrupt for Flash timeout error */ -#define IFC_NAND_EVTER_INTR_FTOERIR_EN 0x08000000 -/* Enable interrupt for Write protect error */ -#define IFC_NAND_EVTER_INTR_WPERIR_EN 0x04000000 -/* Enable interrupt for ECC error*/ -#define IFC_NAND_EVTER_INTR_ECCERIR_EN 0x02000000 - -/* - * NAND Transfer Error Attribute Register-0 (NAND_ERATTR0) - */ -#define IFC_NAND_ERATTR0_MASK 0x0C080000 -/* Error on CS0-3 for NAND */ -#define IFC_NAND_ERATTR0_ERCS_CS0 0x00000000 -#define IFC_NAND_ERATTR0_ERCS_CS1 0x04000000 -#define IFC_NAND_ERATTR0_ERCS_CS2 0x08000000 -#define IFC_NAND_ERATTR0_ERCS_CS3 0x0C000000 -/* Transaction type of error Read/Write */ -#define IFC_NAND_ERATTR0_ERTTYPE_READ 0x00080000 - -/* - * NAND Flash Status Register (NAND_FSR) - */ -/* First byte of data read from read status op */ -#define IFC_NAND_NFSR_RS0 0xFF000000 -/* Second byte of data read from read status op */ -#define IFC_NAND_NFSR_RS1 0x00FF0000 - -/* - * ECC Error Status Registers (ECCSTAT0-ECCSTAT3) - */ -/* Number of ECC errors on sector n (n = 0-15) */ -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_MASK 0x0F000000 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_SHIFT 24 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_MASK 0x000F0000 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_SHIFT 16 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_MASK 0x00000F00 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_SHIFT 8 -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_MASK 0x0000000F -#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_SHIFT 0 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_MASK 0x0F000000 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_SHIFT 24 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_MASK 0x000F0000 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_SHIFT 16 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_MASK 0x00000F00 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_SHIFT 8 -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_MASK 0x0000000F -#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_SHIFT 0 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_MASK 0x0F000000 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_SHIFT 24 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_MASK 0x000F0000 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_SHIFT 16 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_MASK 0x00000F00 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_SHIFT 8 -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_MASK 0x0000000F -#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_SHIFT 0 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_MASK 0x0F000000 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_SHIFT 24 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_MASK 0x000F0000 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_SHIFT 16 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_MASK 0x00000F00 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_SHIFT 8 -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_MASK 0x0000000F -#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_SHIFT 0 - -/* - * NAND Control Register (NANDCR) - */ -#define IFC_NAND_NCR_FTOCNT_MASK 0x1E000000 -#define IFC_NAND_NCR_FTOCNT_SHIFT 25 -#define IFC_NAND_NCR_FTOCNT(n) ((_ilog2(n) - 8) << IFC_NAND_NCR_FTOCNT_SHIFT) - -/* - * NAND_AUTOBOOT_TRGR - */ -/* Trigger RCW load */ -#define IFC_NAND_AUTOBOOT_TRGR_RCW_LD 0x80000000 -/* Trigget Auto Boot */ -#define IFC_NAND_AUTOBOOT_TRGR_BOOT_LD 0x20000000 - -/* - * NAND_MDR - */ -/* 1st read data byte when opcode SBRD */ -#define IFC_NAND_MDR_RDATA0 0xFF000000 -/* 2nd read data byte when opcode SBRD */ -#define IFC_NAND_MDR_RDATA1 0x00FF0000 - -/* - * NOR Machine Specific Registers - */ -/* - * NOR Event and Error Status Register (NOR_EVTER_STAT) - */ -/* NOR Command Sequence Operation Complete */ -#define IFC_NOR_EVTER_STAT_OPC_NOR 0x80000000 -/* Write Protect Error */ -#define IFC_NOR_EVTER_STAT_WPER 0x04000000 -/* Command Sequence Timeout Error */ -#define IFC_NOR_EVTER_STAT_STOER 0x01000000 - -/* - * NOR Event and Error Enable Register (NOR_EVTER_EN) - */ -/* NOR Command Seq complete event enable */ -#define IFC_NOR_EVTER_EN_OPCEN_NOR 0x80000000 -/* Write Protect Error Checking Enable */ -#define IFC_NOR_EVTER_EN_WPEREN 0x04000000 -/* Timeout Error Enable */ -#define IFC_NOR_EVTER_EN_STOEREN 0x01000000 - -/* - * NOR Event and Error Interrupt Enable Register (NOR_EVTER_INTR_EN) - */ -/* Enable interrupt for OPC complete */ -#define IFC_NOR_EVTER_INTR_OPCEN_NOR 0x80000000 -/* Enable interrupt for write protect error */ -#define IFC_NOR_EVTER_INTR_WPEREN 0x04000000 -/* Enable interrupt for timeout error */ -#define IFC_NOR_EVTER_INTR_STOEREN 0x01000000 - -/* - * NOR Transfer Error Attribute Register-0 (NOR_ERATTR0) - */ -/* Source ID for error transaction */ -#define IFC_NOR_ERATTR0_ERSRCID 0xFF000000 -/* AXI ID for error transation */ -#define IFC_NOR_ERATTR0_ERAID 0x000FF000 -/* Chip select corresponds to NOR error */ -#define IFC_NOR_ERATTR0_ERCS_CS0 0x00000000 -#define IFC_NOR_ERATTR0_ERCS_CS1 0x00000010 -#define IFC_NOR_ERATTR0_ERCS_CS2 0x00000020 -#define IFC_NOR_ERATTR0_ERCS_CS3 0x00000030 -/* Type of transaction read/write */ -#define IFC_NOR_ERATTR0_ERTYPE_READ 0x00000001 - -/* - * NOR Transfer Error Attribute Register-2 (NOR_ERATTR2) - */ -#define IFC_NOR_ERATTR2_ER_NUM_PHASE_EXP 0x000F0000 -#define IFC_NOR_ERATTR2_ER_NUM_PHASE_PER 0x00000F00 - -/* - * NOR Control Register (NORCR) - */ -#define IFC_NORCR_MASK 0x0F0F0000 -/* No. of Address/Data Phase */ -#define IFC_NORCR_NUM_PHASE_MASK 0x0F000000 -#define IFC_NORCR_NUM_PHASE_SHIFT 24 -#define IFC_NORCR_NUM_PHASE(n) ((n-1) << IFC_NORCR_NUM_PHASE_SHIFT) -/* Sequence Timeout Count */ -#define IFC_NORCR_STOCNT_MASK 0x000F0000 -#define IFC_NORCR_STOCNT_SHIFT 16 -#define IFC_NORCR_STOCNT(n) ((__ilog2(n) - 8) << IFC_NORCR_STOCNT_SHIFT) - -/* - * GPCM Machine specific registers - */ -/* - * GPCM Event and Error Status Register (GPCM_EVTER_STAT) - */ -/* Timeout error */ -#define IFC_GPCM_EVTER_STAT_TOER 0x04000000 -/* Parity error */ -#define IFC_GPCM_EVTER_STAT_PER 0x01000000 - -/* - * GPCM Event and Error Enable Register (GPCM_EVTER_EN) - */ -/* Timeout error enable */ -#define IFC_GPCM_EVTER_EN_TOER_EN 0x04000000 -/* Parity error enable */ -#define IFC_GPCM_EVTER_EN_PER_EN 0x01000000 - -/* - * GPCM Event and Error Interrupt Enable Register (GPCM_EVTER_INTR_EN) - */ -/* Enable Interrupt for timeout error */ -#define IFC_GPCM_EEIER_TOERIR_EN 0x04000000 -/* Enable Interrupt for Parity error */ -#define IFC_GPCM_EEIER_PERIR_EN 0x01000000 - -/* - * GPCM Transfer Error Attribute Register-0 (GPCM_ERATTR0) - */ -/* Source ID for error transaction */ -#define IFC_GPCM_ERATTR0_ERSRCID 0xFF000000 -/* AXI ID for error transaction */ -#define IFC_GPCM_ERATTR0_ERAID 0x000FF000 -/* Chip select corresponds to GPCM error */ -#define IFC_GPCM_ERATTR0_ERCS_CS0 0x00000000 -#define IFC_GPCM_ERATTR0_ERCS_CS1 0x00000040 -#define IFC_GPCM_ERATTR0_ERCS_CS2 0x00000080 -#define IFC_GPCM_ERATTR0_ERCS_CS3 0x000000C0 -/* Type of transaction read/Write */ -#define IFC_GPCM_ERATTR0_ERTYPE_READ 0x00000001 - -/* - * GPCM Transfer Error Attribute Register-2 (GPCM_ERATTR2) - */ -/* On which beat of address/data parity error is observed */ -#define IFC_GPCM_ERATTR2_PERR_BEAT 0x00000C00 -/* Parity Error on byte */ -#define IFC_GPCM_ERATTR2_PERR_BYTE 0x000000F0 -/* Parity Error reported in addr or data phase */ -#define IFC_GPCM_ERATTR2_PERR_DATA_PHASE 0x00000001 - -/* - * GPCM Status Register (GPCM_STAT) - */ -#define IFC_GPCM_STAT_BSY 0x80000000 /* GPCM is busy */ - -/* - * IFC Controller NAND Machine registers - */ -struct fsl_ifc_nand { - __be32 ncfgr; - u32 res1[0x4]; - __be32 nand_fcr0; - __be32 nand_fcr1; - u32 res2[0x8]; - __be32 row0; - u32 res3; - __be32 col0; - u32 res4; - __be32 row1; - u32 res5; - __be32 col1; - u32 res6; - __be32 row2; - u32 res7; - __be32 col2; - u32 res8; - __be32 row3; - u32 res9; - __be32 col3; - u32 res10[0x24]; - __be32 nand_fbcr; - u32 res11; - __be32 nand_fir0; - __be32 nand_fir1; - __be32 nand_fir2; - u32 res12[0x10]; - __be32 nand_csel; - u32 res13; - __be32 nandseq_strt; - u32 res14; - __be32 nand_evter_stat; - u32 res15; - __be32 pgrdcmpl_evt_stat; - u32 res16[0x2]; - __be32 nand_evter_en; - u32 res17[0x2]; - __be32 nand_evter_intr_en; - u32 res18[0x2]; - __be32 nand_erattr0; - __be32 nand_erattr1; - u32 res19[0x10]; - __be32 nand_fsr; - u32 res20; - __be32 nand_eccstat[4]; - u32 res21[0x20]; - __be32 nanndcr; - u32 res22[0x2]; - __be32 nand_autoboot_trgr; - u32 res23; - __be32 nand_mdr; - u32 res24[0x5C]; -}; - -/* - * IFC controller NOR Machine registers - */ -struct fsl_ifc_nor { - __be32 nor_evter_stat; - u32 res1[0x2]; - __be32 nor_evter_en; - u32 res2[0x2]; - __be32 nor_evter_intr_en; - u32 res3[0x2]; - __be32 nor_erattr0; - __be32 nor_erattr1; - __be32 nor_erattr2; - u32 res4[0x4]; - __be32 norcr; - u32 res5[0xEF]; -}; - -/* - * IFC controller GPCM Machine registers - */ -struct fsl_ifc_gpcm { - __be32 gpcm_evter_stat; - u32 res1[0x2]; - __be32 gpcm_evter_en; - u32 res2[0x2]; - __be32 gpcm_evter_intr_en; - u32 res3[0x2]; - __be32 gpcm_erattr0; - __be32 gpcm_erattr1; - __be32 gpcm_erattr2; - __be32 gpcm_stat; - u32 res4[0x1F3]; -}; - -/* - * IFC Controller Registers - */ -struct fsl_ifc_regs { - __be32 ifc_rev; - u32 res1[0x2]; - struct { - __be32 cspr_ext; - __be32 cspr; - u32 res2; - } cspr_cs[FSL_IFC_BANK_COUNT]; - u32 res3[0x19]; - struct { - __be32 amask; - u32 res4[0x2]; - } amask_cs[FSL_IFC_BANK_COUNT]; - u32 res5[0x17]; - struct { - __be32 csor_ext; - __be32 csor; - u32 res6; - } csor_cs[FSL_IFC_BANK_COUNT]; - u32 res7[0x19]; - struct { - __be32 ftim[4]; - u32 res8[0x8]; - } ftim_cs[FSL_IFC_BANK_COUNT]; - u32 res9[0x60]; - __be32 rb_stat; - u32 res10[0x2]; - __be32 ifc_gcr; - u32 res11[0x2]; - __be32 cm_evter_stat; - u32 res12[0x2]; - __be32 cm_evter_en; - u32 res13[0x2]; - __be32 cm_evter_intr_en; - u32 res14[0x2]; - __be32 cm_erattr0; - __be32 cm_erattr1; - u32 res15[0x2]; - __be32 ifc_ccr; - __be32 ifc_csr; - u32 res16[0x2EB]; - struct fsl_ifc_nand ifc_nand; - struct fsl_ifc_nor ifc_nor; - struct fsl_ifc_gpcm ifc_gpcm; -}; - -extern unsigned int convert_ifc_address(phys_addr_t addr_base); -extern int fsl_ifc_find(phys_addr_t addr_base); - -/* overview of the fsl ifc controller */ - -struct fsl_ifc_ctrl { - /* device info */ - struct device *dev; - struct fsl_ifc_regs __iomem *regs; - int irq; - int nand_irq; - spinlock_t lock; - void *nand; - - u32 nand_stat; - wait_queue_head_t nand_wait; -}; - -extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev; - - -#endif /* __ASM_FSL_IFC_H */ diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h index 420b45368fc..067fb0dca54 100644 --- a/arch/powerpc/include/asm/fsl_lbc.h +++ b/arch/powerpc/include/asm/fsl_lbc.h @@ -285,7 +285,7 @@ struct fsl_lbc_ctrl { /* device info */ struct device *dev; struct fsl_lbc_regs __iomem *regs; - int irq; + int irq[2]; wait_queue_head_t irq_wait; spinlock_t lock; void *nand; diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index 169d039ed40..e3661872fbe 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -61,6 +61,7 @@ struct dyn_arch_ftrace { #endif #if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_PPC64) && !defined(__ASSEMBLY__) +#if !defined(_CALL_ELF) || _CALL_ELF != 2 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME static inline bool arch_syscall_match_sym_name(const char *sym, const char *name) { @@ -72,6 +73,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name */ return !strcmp(sym + 4, name + 3); } +#endif #endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_PPC64 && !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_FTRACE */ diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h index 3bdcfce2c42..418fb654370 100644 --- a/arch/powerpc/include/asm/hardirq.h +++ b/arch/powerpc/include/asm/hardirq.h @@ -6,7 +6,8 @@ typedef struct { unsigned int __softirq_pending; - unsigned int timer_irqs; + unsigned int timer_irqs_event; + unsigned int timer_irqs_others; unsigned int pmu_irqs; unsigned int mce_exceptions; unsigned int spurious_irqs; diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index d750336b171..623f2971ce0 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -127,7 +127,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { #ifdef CONFIG_PPC64 - return __pte(pte_update(mm, addr, ptep, ~0UL, 1)); + return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); #else return __pte(pte_update(ptep, ~0UL, 0)); #endif diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 0c7f2bfcf13..5dbbb29f5c3 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -274,6 +274,11 @@ /* Platform specific hcalls, used by KVM */ #define H_RTAS 0xf000 +/* "Platform specific hcalls", provided by PHYP */ +#define H_GET_24X7_CATALOG_PAGE 0xF078 +#define H_GET_24X7_DATA 0xF07C +#define H_GET_PERF_COUNTER_INFO 0xF080 + #ifndef __ASSEMBLY__ /** @@ -403,6 +408,8 @@ static inline unsigned long cmo_get_page_size(void) extern long pSeries_enable_reloc_on_exc(void); extern long pSeries_disable_reloc_on_exc(void); +extern long pseries_big_endian_exceptions(void); + #else #define pSeries_enable_reloc_on_exc() do {} while (0) diff --git a/arch/powerpc/include/asm/hvsi.h b/arch/powerpc/include/asm/hvsi.h index d3f64f36181..d4a5315718c 100644 --- a/arch/powerpc/include/asm/hvsi.h +++ b/arch/powerpc/include/asm/hvsi.h @@ -25,7 +25,7 @@ struct hvsi_header { uint8_t type; uint8_t len; - uint16_t seqno; + __be16 seqno; } __attribute__((packed)); struct hvsi_data { @@ -35,24 +35,24 @@ struct hvsi_data { struct hvsi_control { struct hvsi_header hdr; - uint16_t verb; + __be16 verb; /* optional depending on verb: */ - uint32_t word; - uint32_t mask; + __be32 word; + __be32 mask; } __attribute__((packed)); struct hvsi_query { struct hvsi_header hdr; - uint16_t verb; + __be16 verb; } __attribute__((packed)); struct hvsi_query_response { struct hvsi_header hdr; - uint16_t verb; - uint16_t query_seqno; + __be16 verb; + __be16 query_seqno; union { uint8_t version; - uint32_t mctrl_word; + __be32 mctrl_word; } u; } __attribute__((packed)); diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index eb0f4ac75c4..ac6432d9be4 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -79,7 +79,7 @@ static inline void hw_breakpoint_disable(void) brk.address = 0; brk.type = 0; brk.len = 0; - set_breakpoint(&brk); + __set_breakpoint(&brk); } extern void thread_change_pc(struct task_struct *tsk, struct pt_regs *regs); diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 5a64757dc0d..97d3869991c 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -21,7 +21,7 @@ extern struct pci_dev *isa_bridge_pcidev; /* * has legacy ISA devices ? */ -#define arch_has_dev_port() (isa_bridge_pcidev != NULL) +#define arch_has_dev_port() (isa_bridge_pcidev != NULL || isa_io_special) #endif #include <linux/device.h> @@ -113,7 +113,7 @@ extern bool isa_io_special; /* gcc 4.0 and older doesn't have 'Z' constraint */ #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ == 0) -#define DEF_MMIO_IN_LE(name, size, insn) \ +#define DEF_MMIO_IN_X(name, size, insn) \ static inline u##size name(const volatile u##size __iomem *addr) \ { \ u##size ret; \ @@ -122,7 +122,7 @@ static inline u##size name(const volatile u##size __iomem *addr) \ return ret; \ } -#define DEF_MMIO_OUT_LE(name, size, insn) \ +#define DEF_MMIO_OUT_X(name, size, insn) \ static inline void name(volatile u##size __iomem *addr, u##size val) \ { \ __asm__ __volatile__("sync;"#insn" %1,0,%2" \ @@ -130,7 +130,7 @@ static inline void name(volatile u##size __iomem *addr, u##size val) \ IO_SET_SYNC_FLAG(); \ } #else /* newer gcc */ -#define DEF_MMIO_IN_LE(name, size, insn) \ +#define DEF_MMIO_IN_X(name, size, insn) \ static inline u##size name(const volatile u##size __iomem *addr) \ { \ u##size ret; \ @@ -139,7 +139,7 @@ static inline u##size name(const volatile u##size __iomem *addr) \ return ret; \ } -#define DEF_MMIO_OUT_LE(name, size, insn) \ +#define DEF_MMIO_OUT_X(name, size, insn) \ static inline void name(volatile u##size __iomem *addr, u##size val) \ { \ __asm__ __volatile__("sync;"#insn" %1,%y0" \ @@ -148,7 +148,7 @@ static inline void name(volatile u##size __iomem *addr, u##size val) \ } #endif -#define DEF_MMIO_IN_BE(name, size, insn) \ +#define DEF_MMIO_IN_D(name, size, insn) \ static inline u##size name(const volatile u##size __iomem *addr) \ { \ u##size ret; \ @@ -157,7 +157,7 @@ static inline u##size name(const volatile u##size __iomem *addr) \ return ret; \ } -#define DEF_MMIO_OUT_BE(name, size, insn) \ +#define DEF_MMIO_OUT_D(name, size, insn) \ static inline void name(volatile u##size __iomem *addr, u##size val) \ { \ __asm__ __volatile__("sync;"#insn"%U0%X0 %1,%0" \ @@ -165,22 +165,53 @@ static inline void name(volatile u##size __iomem *addr, u##size val) \ IO_SET_SYNC_FLAG(); \ } +DEF_MMIO_IN_D(in_8, 8, lbz); +DEF_MMIO_OUT_D(out_8, 8, stb); -DEF_MMIO_IN_BE(in_8, 8, lbz); -DEF_MMIO_IN_BE(in_be16, 16, lhz); -DEF_MMIO_IN_BE(in_be32, 32, lwz); -DEF_MMIO_IN_LE(in_le16, 16, lhbrx); -DEF_MMIO_IN_LE(in_le32, 32, lwbrx); +#ifdef __BIG_ENDIAN__ +DEF_MMIO_IN_D(in_be16, 16, lhz); +DEF_MMIO_IN_D(in_be32, 32, lwz); +DEF_MMIO_IN_X(in_le16, 16, lhbrx); +DEF_MMIO_IN_X(in_le32, 32, lwbrx); -DEF_MMIO_OUT_BE(out_8, 8, stb); -DEF_MMIO_OUT_BE(out_be16, 16, sth); -DEF_MMIO_OUT_BE(out_be32, 32, stw); -DEF_MMIO_OUT_LE(out_le16, 16, sthbrx); -DEF_MMIO_OUT_LE(out_le32, 32, stwbrx); +DEF_MMIO_OUT_D(out_be16, 16, sth); +DEF_MMIO_OUT_D(out_be32, 32, stw); +DEF_MMIO_OUT_X(out_le16, 16, sthbrx); +DEF_MMIO_OUT_X(out_le32, 32, stwbrx); +#else +DEF_MMIO_IN_X(in_be16, 16, lhbrx); +DEF_MMIO_IN_X(in_be32, 32, lwbrx); +DEF_MMIO_IN_D(in_le16, 16, lhz); +DEF_MMIO_IN_D(in_le32, 32, lwz); + +DEF_MMIO_OUT_X(out_be16, 16, sthbrx); +DEF_MMIO_OUT_X(out_be32, 32, stwbrx); +DEF_MMIO_OUT_D(out_le16, 16, sth); +DEF_MMIO_OUT_D(out_le32, 32, stw); + +#endif /* __BIG_ENDIAN */ + +/* + * Cache inhibitied accessors for use in real mode, you don't want to use these + * unless you know what you're doing. + * + * NB. These use the cpu byte ordering. + */ +DEF_MMIO_OUT_X(out_rm8, 8, stbcix); +DEF_MMIO_OUT_X(out_rm16, 16, sthcix); +DEF_MMIO_OUT_X(out_rm32, 32, stwcix); +DEF_MMIO_IN_X(in_rm8, 8, lbzcix); +DEF_MMIO_IN_X(in_rm16, 16, lhzcix); +DEF_MMIO_IN_X(in_rm32, 32, lwzcix); #ifdef __powerpc64__ -DEF_MMIO_OUT_BE(out_be64, 64, std); -DEF_MMIO_IN_BE(in_be64, 64, ld); + +DEF_MMIO_OUT_X(out_rm64, 64, stdcix); +DEF_MMIO_IN_X(in_rm64, 64, ldcix); + +#ifdef __BIG_ENDIAN__ +DEF_MMIO_OUT_D(out_be64, 64, std); +DEF_MMIO_IN_D(in_be64, 64, ld); /* There is no asm instructions for 64 bits reverse loads and stores */ static inline u64 in_le64(const volatile u64 __iomem *addr) @@ -192,6 +223,22 @@ static inline void out_le64(volatile u64 __iomem *addr, u64 val) { out_be64(addr, swab64(val)); } +#else +DEF_MMIO_OUT_D(out_le64, 64, std); +DEF_MMIO_IN_D(in_le64, 64, ld); + +/* There is no asm instructions for 64 bits reverse loads and stores */ +static inline u64 in_be64(const volatile u64 __iomem *addr) +{ + return swab64(in_le64(addr)); +} + +static inline void out_be64(volatile u64 __iomem *addr, u64 val) +{ + out_le64(addr, swab64(val)); +} + +#endif #endif /* __powerpc64__ */ /* diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index c34656a8925..42632c7a2a4 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -30,22 +30,19 @@ #include <asm/machdep.h> #include <asm/types.h> -#define IOMMU_PAGE_SHIFT 12 -#define IOMMU_PAGE_SIZE (ASM_CONST(1) << IOMMU_PAGE_SHIFT) -#define IOMMU_PAGE_MASK (~((1 << IOMMU_PAGE_SHIFT) - 1)) -#define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE) +#define IOMMU_PAGE_SHIFT_4K 12 +#define IOMMU_PAGE_SIZE_4K (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K) +#define IOMMU_PAGE_MASK_4K (~((1 << IOMMU_PAGE_SHIFT_4K) - 1)) +#define IOMMU_PAGE_ALIGN_4K(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE_4K) + +#define IOMMU_PAGE_SIZE(tblptr) (ASM_CONST(1) << (tblptr)->it_page_shift) +#define IOMMU_PAGE_MASK(tblptr) (~((1 << (tblptr)->it_page_shift) - 1)) +#define IOMMU_PAGE_ALIGN(addr, tblptr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE(tblptr)) /* Boot time flags */ extern int iommu_is_off; extern int iommu_force_on; -/* Pure 2^n version of get_order */ -static __inline__ __attribute_const__ int get_iommu_order(unsigned long size) -{ - return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT) + 1; -} - - /* * IOMAP_MAX_ORDER defines the largest contiguous block * of dma space we can get. IOMAP_MAX_ORDER = 13 @@ -76,11 +73,21 @@ struct iommu_table { struct iommu_pool large_pool; struct iommu_pool pools[IOMMU_NR_POOLS]; unsigned long *it_map; /* A simple allocation bitmap for now */ + unsigned long it_page_shift;/* table iommu page size */ #ifdef CONFIG_IOMMU_API struct iommu_group *it_group; #endif + void (*set_bypass)(struct iommu_table *tbl, bool enable); }; +/* Pure 2^n version of get_order */ +static inline __attribute_const__ +int get_iommu_order(unsigned long size, struct iommu_table *tbl) +{ + return __ilog2((size - 1) >> tbl->it_page_shift) + 1; +} + + struct scatterlist; static inline void set_iommu_table_base(struct device *dev, void *base) @@ -101,8 +108,34 @@ extern void iommu_free_table(struct iommu_table *tbl, const char *node_name); */ extern struct iommu_table *iommu_init_table(struct iommu_table * tbl, int nid); +#ifdef CONFIG_IOMMU_API extern void iommu_register_group(struct iommu_table *tbl, int pci_domain_number, unsigned long pe_num); +extern int iommu_add_device(struct device *dev); +extern void iommu_del_device(struct device *dev); +#else +static inline void iommu_register_group(struct iommu_table *tbl, + int pci_domain_number, + unsigned long pe_num) +{ +} + +static inline int iommu_add_device(struct device *dev) +{ + return 0; +} + +static inline void iommu_del_device(struct device *dev) +{ +} +#endif /* !CONFIG_IOMMU_API */ + +static inline void set_iommu_table_base_and_group(struct device *dev, + void *base) +{ + set_iommu_table_base(dev, base); + iommu_add_device(dev); +} extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl, struct scatterlist *sglist, int nelems, diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h index f51a5580bfd..e20eb95429a 100644 --- a/arch/powerpc/include/asm/irqflags.h +++ b/arch/powerpc/include/asm/irqflags.h @@ -20,9 +20,9 @@ */ #define TRACE_WITH_FRAME_BUFFER(func) \ mflr r0; \ - stdu r1, -32(r1); \ + stdu r1, -STACK_FRAME_OVERHEAD(r1); \ std r0, 16(r1); \ - stdu r1, -32(r1); \ + stdu r1, -STACK_FRAME_OVERHEAD(r1); \ bl func; \ ld r1, 0(r1); \ ld r1, 0(r1); @@ -36,8 +36,8 @@ * have to call a C function so call a wrapper that saves all the * C-clobbered registers. */ -#define TRACE_ENABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_on) -#define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off) +#define TRACE_ENABLE_INTS TRACE_WITH_FRAME_BUFFER(trace_hardirqs_on) +#define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(trace_hardirqs_off) /* * This is used by assembly code to soft-disable interrupts first and diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index ae098c438f0..f016bb699b5 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -19,7 +19,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index 7b6feab6fd2..af15d4d8d60 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -30,6 +30,7 @@ #include <linux/ptrace.h> #include <linux/percpu.h> #include <asm/probes.h> +#include <asm/code-patching.h> #define __ARCH_WANT_KPROBES_INSN_SLOT @@ -56,9 +57,9 @@ typedef ppc_opcode_t kprobe_opcode_t; if ((colon = strchr(name, ':')) != NULL) { \ colon++; \ if (*colon != '\0' && *colon != '.') \ - addr = *(kprobe_opcode_t **)addr; \ + addr = (kprobe_opcode_t *)ppc_function_entry(addr); \ } else if (name[0] != '.') \ - addr = *(kprobe_opcode_t **)addr; \ + addr = (kprobe_opcode_t *)ppc_function_entry(addr); \ } else { \ char dot_name[KSYM_NAME_LEN]; \ dot_name[0] = '.'; \ diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index 851bac7afa4..9601741080e 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -74,6 +74,7 @@ #define BOOKE_INTERRUPT_GUEST_DBELL_CRIT 39 #define BOOKE_INTERRUPT_HV_SYSCALL 40 #define BOOKE_INTERRUPT_HV_PRIV 41 +#define BOOKE_INTERRUPT_LRAT_ERROR 42 /* book3s */ @@ -91,14 +92,18 @@ #define BOOK3S_INTERRUPT_FP_UNAVAIL 0x800 #define BOOK3S_INTERRUPT_DECREMENTER 0x900 #define BOOK3S_INTERRUPT_HV_DECREMENTER 0x980 +#define BOOK3S_INTERRUPT_DOORBELL 0xa00 #define BOOK3S_INTERRUPT_SYSCALL 0xc00 #define BOOK3S_INTERRUPT_TRACE 0xd00 #define BOOK3S_INTERRUPT_H_DATA_STORAGE 0xe00 #define BOOK3S_INTERRUPT_H_INST_STORAGE 0xe20 #define BOOK3S_INTERRUPT_H_EMUL_ASSIST 0xe40 +#define BOOK3S_INTERRUPT_H_DOORBELL 0xe80 #define BOOK3S_INTERRUPT_PERFMON 0xf00 #define BOOK3S_INTERRUPT_ALTIVEC 0xf20 #define BOOK3S_INTERRUPT_VSX 0xf40 +#define BOOK3S_INTERRUPT_FAC_UNAVAIL 0xf60 +#define BOOK3S_INTERRUPT_H_FAC_UNAVAIL 0xf80 #define BOOK3S_IRQPRIO_SYSTEM_RESET 0 #define BOOK3S_IRQPRIO_DATA_SEGMENT 1 @@ -110,19 +115,22 @@ #define BOOK3S_IRQPRIO_FP_UNAVAIL 7 #define BOOK3S_IRQPRIO_ALTIVEC 8 #define BOOK3S_IRQPRIO_VSX 9 -#define BOOK3S_IRQPRIO_SYSCALL 10 -#define BOOK3S_IRQPRIO_MACHINE_CHECK 11 -#define BOOK3S_IRQPRIO_DEBUG 12 -#define BOOK3S_IRQPRIO_EXTERNAL 13 -#define BOOK3S_IRQPRIO_DECREMENTER 14 -#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 15 -#define BOOK3S_IRQPRIO_EXTERNAL_LEVEL 16 -#define BOOK3S_IRQPRIO_MAX 17 +#define BOOK3S_IRQPRIO_FAC_UNAVAIL 10 +#define BOOK3S_IRQPRIO_SYSCALL 11 +#define BOOK3S_IRQPRIO_MACHINE_CHECK 12 +#define BOOK3S_IRQPRIO_DEBUG 13 +#define BOOK3S_IRQPRIO_EXTERNAL 14 +#define BOOK3S_IRQPRIO_DECREMENTER 15 +#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR 16 +#define BOOK3S_IRQPRIO_EXTERNAL_LEVEL 17 +#define BOOK3S_IRQPRIO_MAX 18 #define BOOK3S_HFLAG_DCBZ32 0x1 #define BOOK3S_HFLAG_SLB 0x2 #define BOOK3S_HFLAG_PAIRED_SINGLE 0x4 #define BOOK3S_HFLAG_NATIVE_PS 0x8 +#define BOOK3S_HFLAG_MULTI_PGSIZE 0x10 +#define BOOK3S_HFLAG_NEW_TLBIE 0x20 #define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */ #define RESUME_FLAG_HOST (1<<1) /* Resume host? */ @@ -136,6 +144,8 @@ #define KVM_GUEST_MODE_NONE 0 #define KVM_GUEST_MODE_GUEST 1 #define KVM_GUEST_MODE_SKIP 2 +#define KVM_GUEST_MODE_GUEST_HV 3 +#define KVM_GUEST_MODE_HOST_HV 4 #define KVM_INST_FETCH_FAILED -1 diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index fa19e2f1a87..f52f6569452 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -58,16 +58,18 @@ struct hpte_cache { struct hlist_node list_pte_long; struct hlist_node list_vpte; struct hlist_node list_vpte_long; +#ifdef CONFIG_PPC_BOOK3S_64 + struct hlist_node list_vpte_64k; +#endif struct rcu_head rcu_head; u64 host_vpn; u64 pfn; ulong slot; struct kvmppc_pte pte; + int pagesize; }; struct kvmppc_vcpu_book3s { - struct kvm_vcpu vcpu; - struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; struct kvmppc_sid_map sid_map[SID_MAP_NUM]; struct { u64 esid; @@ -99,6 +101,9 @@ struct kvmppc_vcpu_book3s { struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG]; +#ifdef CONFIG_PPC_BOOK3S_64 + struct hlist_head hpte_hash_vpte_64k[HPTEG_HASH_NUM_VPTE_64K]; +#endif int hpte_cache_count; spinlock_t mmu_lock; }; @@ -107,8 +112,9 @@ struct kvmppc_vcpu_book3s { #define CONTEXT_GUEST 1 #define CONTEXT_GUEST_END 2 -#define VSID_REAL 0x0fffffffffc00000ULL -#define VSID_BAT 0x0fffffffffb00000ULL +#define VSID_REAL 0x07ffffffffc00000ULL +#define VSID_BAT 0x07ffffffffb00000ULL +#define VSID_64K 0x0800000000000000ULL #define VSID_1T 0x1000000000000000ULL #define VSID_REAL_DR 0x2000000000000000ULL #define VSID_REAL_IR 0x4000000000000000ULL @@ -118,11 +124,12 @@ extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask) extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end); extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); -extern void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr); extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu); -extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); +extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte, + bool iswrite); +extern void kvmppc_mmu_unmap_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); extern void kvmppc_mmu_flush_segment(struct kvm_vcpu *vcpu, ulong eaddr, ulong seg_size); extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); @@ -134,6 +141,7 @@ extern long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr, extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); +extern void kvmppc_mmu_hpte_cache_free(struct hpte_cache *pte); extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu); extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu); extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte); @@ -151,7 +159,8 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper, u32 val); extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); -extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); +extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn, bool writing, + bool *writable); extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev, unsigned long *rmap, long pte_index, int realmode); extern void kvmppc_invalidate_hpte(struct kvm *kvm, unsigned long *hptep, @@ -172,23 +181,24 @@ extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags, unsigned long *hpret); extern long kvmppc_hv_get_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot, unsigned long *map); +extern void kvmppc_update_lpcr(struct kvm *kvm, unsigned long lpcr, + unsigned long mask); extern void kvmppc_entry_trampoline(void); extern void kvmppc_hv_entry_trampoline(void); -extern void kvmppc_load_up_fpu(void); -extern void kvmppc_load_up_altivec(void); -extern void kvmppc_load_up_vsx(void); extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst); extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst); extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd); +extern void kvmppc_copy_to_svcpu(struct kvmppc_book3s_shadow_vcpu *svcpu, + struct kvm_vcpu *vcpu); +extern void kvmppc_copy_from_svcpu(struct kvm_vcpu *vcpu, + struct kvmppc_book3s_shadow_vcpu *svcpu); static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) { - return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); + return vcpu->arch.book3s; } -extern void kvm_return_point(void); - /* Also add subarch specific defines */ #ifdef CONFIG_KVM_BOOK3S_32_HANDLER @@ -198,203 +208,6 @@ extern void kvm_return_point(void); #include <asm/kvm_book3s_64.h> #endif -#ifdef CONFIG_KVM_BOOK3S_PR - -static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu) -{ - return to_book3s(vcpu)->hior; -} - -static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu, - unsigned long pending_now, unsigned long old_pending) -{ - if (pending_now) - vcpu->arch.shared->int_pending = 1; - else if (old_pending) - vcpu->arch.shared->int_pending = 0; -} - -static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) -{ - if ( num < 14 ) { - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->gpr[num] = val; - svcpu_put(svcpu); - to_book3s(vcpu)->shadow_vcpu->gpr[num] = val; - } else - vcpu->arch.gpr[num] = val; -} - -static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) -{ - if ( num < 14 ) { - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - ulong r = svcpu->gpr[num]; - svcpu_put(svcpu); - return r; - } else - return vcpu->arch.gpr[num]; -} - -static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->cr = val; - svcpu_put(svcpu); - to_book3s(vcpu)->shadow_vcpu->cr = val; -} - -static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - u32 r; - r = svcpu->cr; - svcpu_put(svcpu); - return r; -} - -static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->xer = val; - to_book3s(vcpu)->shadow_vcpu->xer = val; - svcpu_put(svcpu); -} - -static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - u32 r; - r = svcpu->xer; - svcpu_put(svcpu); - return r; -} - -static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->ctr = val; - svcpu_put(svcpu); -} - -static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - ulong r; - r = svcpu->ctr; - svcpu_put(svcpu); - return r; -} - -static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->lr = val; - svcpu_put(svcpu); -} - -static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - ulong r; - r = svcpu->lr; - svcpu_put(svcpu); - return r; -} - -static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - svcpu->pc = val; - svcpu_put(svcpu); -} - -static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - ulong r; - r = svcpu->pc; - svcpu_put(svcpu); - return r; -} - -static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) -{ - ulong pc = kvmppc_get_pc(vcpu); - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - u32 r; - - /* Load the instruction manually if it failed to do so in the - * exit path */ - if (svcpu->last_inst == KVM_INST_FETCH_FAILED) - kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false); - - r = svcpu->last_inst; - svcpu_put(svcpu); - return r; -} - -/* - * Like kvmppc_get_last_inst(), but for fetching a sc instruction. - * Because the sc instruction sets SRR0 to point to the following - * instruction, we have to fetch from pc - 4. - */ -static inline u32 kvmppc_get_last_sc(struct kvm_vcpu *vcpu) -{ - ulong pc = kvmppc_get_pc(vcpu) - 4; - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - u32 r; - - /* Load the instruction manually if it failed to do so in the - * exit path */ - if (svcpu->last_inst == KVM_INST_FETCH_FAILED) - kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false); - - r = svcpu->last_inst; - svcpu_put(svcpu); - return r; -} - -static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) -{ - struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu); - ulong r; - r = svcpu->fault_dar; - svcpu_put(svcpu); - return r; -} - -static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu) -{ - ulong crit_raw = vcpu->arch.shared->critical; - ulong crit_r1 = kvmppc_get_gpr(vcpu, 1); - bool crit; - - /* Truncate crit indicators in 32 bit mode */ - if (!(vcpu->arch.shared->msr & MSR_SF)) { - crit_raw &= 0xffffffff; - crit_r1 &= 0xffffffff; - } - - /* Critical section when crit == r1 */ - crit = (crit_raw == crit_r1); - /* ... and we're in supervisor mode */ - crit = crit && !(vcpu->arch.shared->msr & MSR_PR); - - return crit; -} -#else /* CONFIG_KVM_BOOK3S_PR */ - -static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu) -{ - return 0; -} - -static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu, - unsigned long pending_now, unsigned long old_pending) -{ -} - static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) { vcpu->arch.gpr[num] = val; @@ -455,16 +268,26 @@ static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) return vcpu->arch.pc; } -static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) +static inline u64 kvmppc_get_msr(struct kvm_vcpu *vcpu); +static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) { - ulong pc = kvmppc_get_pc(vcpu); + return (kvmppc_get_msr(vcpu) & MSR_LE) != (MSR_KERNEL & MSR_LE); +} +static inline u32 kvmppc_get_last_inst_internal(struct kvm_vcpu *vcpu, ulong pc) +{ /* Load the instruction manually if it failed to do so in the * exit path */ if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED) kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false); - return vcpu->arch.last_inst; + return kvmppc_need_byteswap(vcpu) ? swab32(vcpu->arch.last_inst) : + vcpu->arch.last_inst; +} + +static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) +{ + return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu)); } /* @@ -474,14 +297,7 @@ static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) */ static inline u32 kvmppc_get_last_sc(struct kvm_vcpu *vcpu) { - ulong pc = kvmppc_get_pc(vcpu) - 4; - - /* Load the instruction manually if it failed to do so in the - * exit path */ - if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED) - kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false); - - return vcpu->arch.last_inst; + return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu) - 4); } static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) @@ -489,11 +305,10 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) return vcpu->arch.fault_dar; } -static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu) +static inline bool is_kvmppc_resume_guest(int r) { - return false; + return (r == RESUME_GUEST || r == RESUME_GUEST_NV); } -#endif /* Magic register values loaded into r3 and r4 before the 'sc' assembly * instruction for the OSI hypercalls */ diff --git a/arch/powerpc/include/asm/kvm_book3s_32.h b/arch/powerpc/include/asm/kvm_book3s_32.h index ce0ef6ce8f8..c720e0b3238 100644 --- a/arch/powerpc/include/asm/kvm_book3s_32.h +++ b/arch/powerpc/include/asm/kvm_book3s_32.h @@ -22,7 +22,7 @@ static inline struct kvmppc_book3s_shadow_vcpu *svcpu_get(struct kvm_vcpu *vcpu) { - return to_book3s(vcpu)->shadow_vcpu; + return vcpu->arch.shadow_vcpu; } static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 86d638a3b35..d645428a65a 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -20,7 +20,7 @@ #ifndef __ASM_KVM_BOOK3S_64_H__ #define __ASM_KVM_BOOK3S_64_H__ -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE static inline struct kvmppc_book3s_shadow_vcpu *svcpu_get(struct kvm_vcpu *vcpu) { preempt_disable(); @@ -35,7 +35,7 @@ static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) #define SPAPR_TCE_SHIFT 12 -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE #define KVM_DEFAULT_HPT_ORDER 24 /* 16MB HPT by default */ extern unsigned long kvm_rma_pages; #endif @@ -77,49 +77,164 @@ static inline long try_lock_hpte(unsigned long *hpte, unsigned long bits) return old == 0; } +static inline int __hpte_actual_psize(unsigned int lp, int psize) +{ + int i, shift; + unsigned int mask; + + /* start from 1 ignoring MMU_PAGE_4K */ + for (i = 1; i < MMU_PAGE_COUNT; i++) { + + /* invalid penc */ + if (mmu_psize_defs[psize].penc[i] == -1) + continue; + /* + * encoding bits per actual page size + * PTE LP actual page size + * rrrr rrrz >=8KB + * rrrr rrzz >=16KB + * rrrr rzzz >=32KB + * rrrr zzzz >=64KB + * ....... + */ + shift = mmu_psize_defs[i].shift - LP_SHIFT; + if (shift > LP_BITS) + shift = LP_BITS; + mask = (1 << shift) - 1; + if ((lp & mask) == mmu_psize_defs[psize].penc[i]) + return i; + } + return -1; +} + static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, unsigned long pte_index) { - unsigned long rb, va_low; + int b_psize, a_psize; + unsigned int penc; + unsigned long rb = 0, va_low, sllp; + unsigned int lp = (r >> LP_SHIFT) & ((1 << LP_BITS) - 1); + + if (!(v & HPTE_V_LARGE)) { + /* both base and actual psize is 4k */ + b_psize = MMU_PAGE_4K; + a_psize = MMU_PAGE_4K; + } else { + for (b_psize = 0; b_psize < MMU_PAGE_COUNT; b_psize++) { + + /* valid entries have a shift value */ + if (!mmu_psize_defs[b_psize].shift) + continue; + a_psize = __hpte_actual_psize(lp, b_psize); + if (a_psize != -1) + break; + } + } + /* + * Ignore the top 14 bits of va + * v have top two bits covering segment size, hence move + * by 16 bits, Also clear the lower HPTE_V_AVPN_SHIFT (7) bits. + * AVA field in v also have the lower 23 bits ignored. + * For base page size 4K we need 14 .. 65 bits (so need to + * collect extra 11 bits) + * For others we need 14..14+i + */ + /* This covers 14..54 bits of va*/ rb = (v & ~0x7fUL) << 16; /* AVA field */ + /* + * AVA in v had cleared lower 23 bits. We need to derive + * that from pteg index + */ va_low = pte_index >> 3; if (v & HPTE_V_SECONDARY) va_low = ~va_low; - /* xor vsid from AVA */ + /* + * get the vpn bits from va_low using reverse of hashing. + * In v we have va with 23 bits dropped and then left shifted + * HPTE_V_AVPN_SHIFT (7) bits. Now to find vsid we need + * right shift it with (SID_SHIFT - (23 - 7)) + */ if (!(v & HPTE_V_1TB_SEG)) - va_low ^= v >> 12; + va_low ^= v >> (SID_SHIFT - 16); else - va_low ^= v >> 24; + va_low ^= v >> (SID_SHIFT_1T - 16); va_low &= 0x7ff; - if (v & HPTE_V_LARGE) { - rb |= 1; /* L field */ - if (cpu_has_feature(CPU_FTR_ARCH_206) && - (r & 0xff000)) { - /* non-16MB large page, must be 64k */ - /* (masks depend on page size) */ - rb |= 0x1000; /* page encoding in LP field */ - rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */ - rb |= ((va_low << 4) & 0xf0); /* AVAL field (P7 doesn't seem to care) */ - } - } else { - /* 4kB page */ - rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */ + + switch (b_psize) { + case MMU_PAGE_4K: + sllp = ((mmu_psize_defs[a_psize].sllp & SLB_VSID_L) >> 6) | + ((mmu_psize_defs[a_psize].sllp & SLB_VSID_LP) >> 4); + rb |= sllp << 5; /* AP field */ + rb |= (va_low & 0x7ff) << 12; /* remaining 11 bits of AVA */ + break; + default: + { + int aval_shift; + /* + * remaining 7bits of AVA/LP fields + * Also contain the rr bits of LP + */ + rb |= (va_low & 0x7f) << 16; + /* + * Now clear not needed LP bits based on actual psize + */ + rb &= ~((1ul << mmu_psize_defs[a_psize].shift) - 1); + /* + * AVAL field 58..77 - base_page_shift bits of va + * we have space for 58..64 bits, Missing bits should + * be zero filled. +1 is to take care of L bit shift + */ + aval_shift = 64 - (77 - mmu_psize_defs[b_psize].shift) + 1; + rb |= ((va_low << aval_shift) & 0xfe); + + rb |= 1; /* L field */ + penc = mmu_psize_defs[b_psize].penc[a_psize]; + rb |= penc << 12; /* LP field */ + break; + } } rb |= (v >> 54) & 0x300; /* B field */ return rb; } -static inline unsigned long hpte_page_size(unsigned long h, unsigned long l) +static inline unsigned long __hpte_page_size(unsigned long h, unsigned long l, + bool is_base_size) { + + int size, a_psize; + /* Look at the 8 bit LP value */ + unsigned int lp = (l >> LP_SHIFT) & ((1 << LP_BITS) - 1); + /* only handle 4k, 64k and 16M pages for now */ if (!(h & HPTE_V_LARGE)) - return 1ul << 12; /* 4k page */ - if ((l & 0xf000) == 0x1000 && cpu_has_feature(CPU_FTR_ARCH_206)) - return 1ul << 16; /* 64k page */ - if ((l & 0xff000) == 0) - return 1ul << 24; /* 16M page */ - return 0; /* error */ + return 1ul << 12; + else { + for (size = 0; size < MMU_PAGE_COUNT; size++) { + /* valid entries have a shift value */ + if (!mmu_psize_defs[size].shift) + continue; + + a_psize = __hpte_actual_psize(lp, size); + if (a_psize != -1) { + if (is_base_size) + return 1ul << mmu_psize_defs[size].shift; + return 1ul << mmu_psize_defs[a_psize].shift; + } + } + + } + return 0; +} + +static inline unsigned long hpte_page_size(unsigned long h, unsigned long l) +{ + return __hpte_page_size(h, l, 0); +} + +static inline unsigned long hpte_base_page_size(unsigned long h, unsigned long l) +{ + return __hpte_page_size(h, l, 1); } static inline unsigned long hpte_rpn(unsigned long ptel, unsigned long psize) @@ -278,7 +393,7 @@ static inline int is_vrma_hpte(unsigned long hpte_v) (HPTE_V_1TB_SEG | (VRMA_VSID << (40 - 16))); } -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE /* * Note modification of an HPTE; set the HPTE modified bit * if anyone is interested. @@ -289,6 +404,18 @@ static inline void note_hpte_modification(struct kvm *kvm, if (atomic_read(&kvm->arch.hpte_mod_interest)) rev->guest_rpte |= HPTE_GR_MODIFIED; } -#endif /* CONFIG_KVM_BOOK3S_64_HV */ + +/* + * Like kvm_memslots(), but for use in real mode when we can't do + * any RCU stuff (since the secondary threads are offline from the + * kernel's point of view), and we can't print anything. + * Thus we use rcu_dereference_raw() rather than rcu_dereference_check(). + */ +static inline struct kvm_memslots *kvm_memslots_raw(struct kvm *kvm) +{ + return rcu_dereference_raw_notrace(kvm->memslots); +} + +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ #endif /* __ASM_KVM_BOOK3S_64_H__ */ diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index 9039d3c97ee..5bdfb5dd340 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -79,20 +79,22 @@ struct kvmppc_host_state { ulong vmhandler; ulong scratch0; ulong scratch1; + ulong scratch2; u8 in_guest; u8 restore_hid5; u8 napping; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE u8 hwthread_req; u8 hwthread_state; u8 host_ipi; + u8 ptid; struct kvm_vcpu *kvm_vcpu; struct kvmppc_vcore *kvm_vcore; unsigned long xics_phys; u32 saved_xirr; u64 dabr; - u64 host_mmcr[3]; + u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ u32 host_pmc[8]; u64 host_purr; u64 host_spurr; @@ -101,21 +103,24 @@ struct kvmppc_host_state { #endif #ifdef CONFIG_PPC_BOOK3S_64 u64 cfar; + u64 ppr; + u64 host_fscr; #endif }; struct kvmppc_book3s_shadow_vcpu { + bool in_use; ulong gpr[14]; u32 cr; u32 xer; - - u32 fault_dsisr; - u32 last_inst; ulong ctr; ulong lr; ulong pc; + ulong shadow_srr1; ulong fault_dar; + u32 fault_dsisr; + u32 last_inst; #ifdef CONFIG_PPC_BOOK3S_32 u32 sr[16]; /* Guest SRs */ @@ -129,6 +134,7 @@ struct kvmppc_book3s_shadow_vcpu { u64 esid; u64 vsid; } slb[64]; /* guest SLB */ + u64 shadow_fscr; #endif }; diff --git a/arch/powerpc/include/asm/kvm_booke.h b/arch/powerpc/include/asm/kvm_booke.h index d3c1eb34c98..c7aed6105ff 100644 --- a/arch/powerpc/include/asm/kvm_booke.h +++ b/arch/powerpc/include/asm/kvm_booke.h @@ -26,7 +26,12 @@ /* LPIDs we support with this build -- runtime limit may be lower */ #define KVMPPC_NR_LPIDS 64 -#define KVMPPC_INST_EHPRIV 0x7c00021c +#define KVMPPC_INST_EHPRIV 0x7c00021c +#define EHPRIV_OC_SHIFT 11 +/* "ehpriv 1" : ehpriv with OC = 1 is used for debug emulation */ +#define EHPRIV_OC_DEBUG 1 +#define KVMPPC_INST_EHPRIV_DEBUG (KVMPPC_INST_EHPRIV | \ + (EHPRIV_OC_DEBUG << EHPRIV_OC_SHIFT)) static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) { @@ -58,6 +63,12 @@ static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) return vcpu->arch.xer; } +static inline bool kvmppc_need_byteswap(struct kvm_vcpu *vcpu) +{ + /* XXX Would need to check TLB entry */ + return false; +} + static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) { return vcpu->arch.last_inst; @@ -97,9 +108,4 @@ static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) { return vcpu->arch.fault_dear; } - -static inline ulong kvmppc_get_msr(struct kvm_vcpu *vcpu) -{ - return vcpu->arch.shared->msr; -} #endif /* __ASM_KVM_BOOKE_H__ */ diff --git a/arch/powerpc/include/asm/kvm_booke_hv_asm.h b/arch/powerpc/include/asm/kvm_booke_hv_asm.h index 3a79f532571..e5f048bbcb7 100644 --- a/arch/powerpc/include/asm/kvm_booke_hv_asm.h +++ b/arch/powerpc/include/asm/kvm_booke_hv_asm.h @@ -36,26 +36,21 @@ * *(r8 + GPR11) = saved r11 * * 64-bit host - * Expected inputs (GEN/GDBELL/DBG/MC exception types): + * Expected inputs (GEN/GDBELL/DBG/CRIT/MC exception types): * r10 = saved CR * r13 = PACA_POINTER * *(r13 + PACA_EX##type + EX_R10) = saved r10 * *(r13 + PACA_EX##type + EX_R11) = saved r11 * SPRN_SPRG_##type##_SCRATCH = saved r13 * - * Expected inputs (CRIT exception type): - * r10 = saved CR - * r13 = PACA_POINTER - * *(r13 + PACA_EX##type + EX_R10) = saved r10 - * *(r13 + PACA_EX##type + EX_R11) = saved r11 - * *(r13 + PACA_EX##type + EX_R13) = saved r13 - * * Expected inputs (TLB exception type): * r10 = saved CR + * r12 = extlb pointer * r13 = PACA_POINTER - * *(r13 + PACA_EX##type + EX_TLB_R10) = saved r10 - * *(r13 + PACA_EX##type + EX_TLB_R11) = saved r11 - * SPRN_SPRG_GEN_SCRATCH = saved r13 + * *(r12 + EX_TLB_R10) = saved r10 + * *(r12 + EX_TLB_R11) = saved r11 + * *(r12 + EX_TLB_R13) = saved r13 + * SPRN_SPRG_GEN_SCRATCH = saved r12 * * Only the bolted version of TLB miss exception handlers is supported now. */ diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 33283532e9d..bb66d8b8efd 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -63,20 +63,17 @@ extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); #endif -/* We don't currently support large pages. */ -#define KVM_HPAGE_GFN_SHIFT(x) 0 -#define KVM_NR_PAGE_SIZES 1 -#define KVM_PAGES_PER_HPAGE(x) (1UL<<31) - #define HPTEG_CACHE_NUM (1 << 15) #define HPTEG_HASH_BITS_PTE 13 #define HPTEG_HASH_BITS_PTE_LONG 12 #define HPTEG_HASH_BITS_VPTE 13 #define HPTEG_HASH_BITS_VPTE_LONG 5 +#define HPTEG_HASH_BITS_VPTE_64K 11 #define HPTEG_HASH_NUM_PTE (1 << HPTEG_HASH_BITS_PTE) #define HPTEG_HASH_NUM_PTE_LONG (1 << HPTEG_HASH_BITS_PTE_LONG) #define HPTEG_HASH_NUM_VPTE (1 << HPTEG_HASH_BITS_VPTE) #define HPTEG_HASH_NUM_VPTE_LONG (1 << HPTEG_HASH_BITS_VPTE_LONG) +#define HPTEG_HASH_NUM_VPTE_64K (1 << HPTEG_HASH_BITS_VPTE_64K) /* Physical Address Mask - allowed range of real mode RAM access */ #define KVM_PAM 0x0fffffffffffffffULL @@ -89,6 +86,9 @@ struct lppaca; struct slb_shadow; struct dtl_entry; +struct kvmppc_vcpu_book3s; +struct kvmppc_book3s_shadow_vcpu; + struct kvm_vm_stat { u32 remote_tlb_flush; }; @@ -224,15 +224,15 @@ struct revmap_entry { #define KVMPPC_GOT_PAGE 0x80 struct kvm_arch_memory_slot { -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE unsigned long *rmap; unsigned long *slot_phys; -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ }; struct kvm_arch { unsigned int lpid; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE unsigned long hpt_virt; struct revmap_entry *revmap; unsigned int host_lpid; @@ -256,7 +256,10 @@ struct kvm_arch { cpumask_t need_tlb_flush; struct kvmppc_vcore *vcores[KVM_MAX_VCORES]; int hpt_cma_alloc; -#endif /* CONFIG_KVM_BOOK3S_64_HV */ +#endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE + struct mutex hpt_mutex; +#endif #ifdef CONFIG_PPC_BOOK3S_64 struct list_head spapr_tce_tables; struct list_head rtas_tokens; @@ -267,6 +270,7 @@ struct kvm_arch { #ifdef CONFIG_KVM_XICS struct kvmppc_xics *xics; #endif + struct kvmppc_ops *kvm_ops; }; /* @@ -284,6 +288,7 @@ struct kvmppc_vcore { int n_woken; int nap_count; int napping_threads; + int first_vcpuid; u16 pcpu; u16 last_cpu; u8 vcore_state; @@ -294,6 +299,12 @@ struct kvmppc_vcore { u64 stolen_tb; u64 preempt_tb; struct kvm_vcpu *runner; + struct kvm *kvm; + u64 tb_offset; /* guest timebase - host timebase */ + ulong lpcr; + u32 arch_compat; + ulong pcr; + ulong dpdes; /* doorbell state (POWER8) */ }; #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) @@ -328,6 +339,7 @@ struct kvmppc_pte { bool may_read : 1; bool may_write : 1; bool may_execute : 1; + u8 page_size; /* MMU_PAGE_xxx */ }; struct kvmppc_mmu { @@ -340,7 +352,8 @@ struct kvmppc_mmu { /* book3s */ void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value); u32 (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum); - int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data); + int (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, + struct kvmppc_pte *pte, bool data, bool iswrite); void (*reset_msr)(struct kvm_vcpu *vcpu); void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large); int (*esid_to_vsid)(struct kvm_vcpu *vcpu, ulong esid, u64 *vsid); @@ -360,6 +373,7 @@ struct kvmppc_slb { bool large : 1; /* PTEs are 16MB */ bool tb : 1; /* 1TB segment */ bool class : 1; + u8 base_page_size; /* MMU_PAGE_xxx */ }; # ifdef CONFIG_PPC_FSL_BOOK3E @@ -377,17 +391,6 @@ struct kvmppc_slb { #define KVMPPC_EPR_USER 1 /* exit to userspace to fill EPR */ #define KVMPPC_EPR_KERNEL 2 /* in-kernel irqchip */ -struct kvmppc_booke_debug_reg { - u32 dbcr0; - u32 dbcr1; - u32 dbcr2; -#ifdef CONFIG_KVM_E500MC - u32 dbcr4; -#endif - u64 iac[KVMPPC_BOOKE_MAX_IAC]; - u64 dac[KVMPPC_BOOKE_MAX_DAC]; -}; - #define KVMPPC_IRQ_DEFAULT 0 #define KVMPPC_IRQ_MPIC 1 #define KVMPPC_IRQ_XICS 2 @@ -402,12 +405,15 @@ struct kvm_vcpu_arch { int slb_max; /* 1 + index of last valid entry in slb[] */ int slb_nr; /* total number of entries in SLB */ struct kvmppc_mmu mmu; + struct kvmppc_vcpu_book3s *book3s; +#endif +#ifdef CONFIG_PPC_BOOK3S_32 + struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; #endif ulong gpr[32]; - u64 fpr[32]; - u64 fpscr; + struct thread_fp_state fp; #ifdef CONFIG_SPE ulong evr[32]; @@ -416,12 +422,7 @@ struct kvm_vcpu_arch { u64 acc; #endif #ifdef CONFIG_ALTIVEC - vector128 vr[32]; - vector128 vscr; -#endif - -#ifdef CONFIG_VSX - u64 vsr[64]; + struct thread_vr_state vr; #endif #ifdef CONFIG_KVM_BOOKE_HV @@ -448,6 +449,9 @@ struct kvm_vcpu_arch { ulong pc; ulong ctr; ulong lr; +#ifdef CONFIG_PPC_BOOK3S + ulong tar; +#endif ulong xer; u32 cr; @@ -457,12 +461,32 @@ struct kvm_vcpu_arch { ulong guest_owned_ext; ulong purr; ulong spurr; + ulong ic; + ulong vtb; ulong dscr; ulong amr; ulong uamor; + ulong iamr; u32 ctrl; + u32 dabrx; ulong dabr; + ulong dawr; + ulong dawrx; + ulong ciabr; ulong cfar; + ulong ppr; + ulong pspb; + ulong fscr; + ulong shadow_fscr; + ulong ebbhr; + ulong ebbrr; + ulong bescr; + ulong csigr; + ulong tacr; + ulong tcscr; + ulong acop; + ulong wort; + ulong shadow_srr1; #endif u32 vrsave; /* also USPRG0 */ u32 mmucr; @@ -496,8 +520,33 @@ struct kvm_vcpu_arch { u32 ccr1; u32 dbsr; - u64 mmcr[3]; + u64 mmcr[5]; u32 pmc[8]; + u32 spmc[2]; + u64 siar; + u64 sdar; + u64 sier; +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + u64 tfhar; + u64 texasr; + u64 tfiar; + + u32 cr_tm; + u64 lr_tm; + u64 ctr_tm; + u64 amr_tm; + u64 ppr_tm; + u64 dscr_tm; + u64 tar_tm; + + ulong gpr_tm[32]; + + struct thread_fp_state fp_tm; + + struct thread_vr_state vr_tm; + u32 vrsave_tm; /* also USPRG0 */ + +#endif #ifdef CONFIG_KVM_EXIT_TIMING struct mutex exit_timing_lock; @@ -516,6 +565,7 @@ struct kvm_vcpu_arch { #ifdef CONFIG_PPC_BOOK3S ulong fault_dar; u32 fault_dsisr; + unsigned long intr_msr; #endif #ifdef CONFIG_BOOKE @@ -531,10 +581,14 @@ struct kvm_vcpu_arch { u32 eptcfg; u32 epr; u32 crit_save; - struct kvmppc_booke_debug_reg dbg_reg; + /* guest debug registers*/ + struct debug_reg dbg_reg; + /* hardware visible debug registers when in guest state */ + struct debug_reg shadow_dbg_reg; #endif gpa_t paddr_accessed; gva_t vaddr_accessed; + pgd_t *pgdir; u8 io_gpr; /* GPR used as IO source/target */ u8 mmio_is_bigendian; @@ -572,8 +626,12 @@ struct kvm_vcpu_arch { wait_queue_head_t cpu_run; struct kvm_vcpu_arch_shared *shared; +#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) + bool shared_big_endian; +#endif unsigned long magic_page_pa; /* phys addr to map the magic page to */ unsigned long magic_page_ea; /* effect. addr to map the magic page to */ + bool disable_kernel_nx; int irq_type; /* one of KVM_IRQ_* */ int irq_cpu_id; @@ -582,7 +640,7 @@ struct kvm_vcpu_arch { struct kvmppc_icp *icp; /* XICS presentation controller */ #endif -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE struct kvm_vcpu_arch_shared shregs; unsigned long pgfault_addr; @@ -592,7 +650,6 @@ struct kvm_vcpu_arch { struct list_head run_list; struct task_struct *run_task; struct kvm_run *kvm_run; - pgd_t *pgdir; spinlock_t vpa_update_lock; struct kvmppc_vpa vpa; @@ -608,6 +665,8 @@ struct kvm_vcpu_arch { #endif }; +#define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] + /* Values for vcpu->arch.state */ #define KVMPPC_VCPU_NOTREADY 0 #define KVMPPC_VCPU_RUNNABLE 1 diff --git a/arch/powerpc/include/asm/kvm_para.h b/arch/powerpc/include/asm/kvm_para.h index 2b119654b4c..336a91acb8b 100644 --- a/arch/powerpc/include/asm/kvm_para.h +++ b/arch/powerpc/include/asm/kvm_para.h @@ -39,10 +39,6 @@ static inline int kvm_para_available(void) return 1; } -extern unsigned long kvm_hypercall(unsigned long *in, - unsigned long *out, - unsigned long nr); - #else static inline int kvm_para_available(void) @@ -50,82 +46,8 @@ static inline int kvm_para_available(void) return 0; } -static unsigned long kvm_hypercall(unsigned long *in, - unsigned long *out, - unsigned long nr) -{ - return EV_UNIMPLEMENTED; -} - #endif -static inline long kvm_hypercall0_1(unsigned int nr, unsigned long *r2) -{ - unsigned long in[8]; - unsigned long out[8]; - unsigned long r; - - r = kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); - *r2 = out[0]; - - return r; -} - -static inline long kvm_hypercall0(unsigned int nr) -{ - unsigned long in[8]; - unsigned long out[8]; - - return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); -} - -static inline long kvm_hypercall1(unsigned int nr, unsigned long p1) -{ - unsigned long in[8]; - unsigned long out[8]; - - in[0] = p1; - return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); -} - -static inline long kvm_hypercall2(unsigned int nr, unsigned long p1, - unsigned long p2) -{ - unsigned long in[8]; - unsigned long out[8]; - - in[0] = p1; - in[1] = p2; - return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); -} - -static inline long kvm_hypercall3(unsigned int nr, unsigned long p1, - unsigned long p2, unsigned long p3) -{ - unsigned long in[8]; - unsigned long out[8]; - - in[0] = p1; - in[1] = p2; - in[2] = p3; - return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); -} - -static inline long kvm_hypercall4(unsigned int nr, unsigned long p1, - unsigned long p2, unsigned long p3, - unsigned long p4) -{ - unsigned long in[8]; - unsigned long out[8]; - - in[0] = p1; - in[1] = p2; - in[2] = p3; - in[3] = p4; - return kvm_hypercall(in, out, KVM_HCALL_TOKEN(nr)); -} - - static inline unsigned int kvm_arch_para_features(void) { unsigned long r; @@ -133,7 +55,7 @@ static inline unsigned int kvm_arch_para_features(void) if (!kvm_para_available()) return 0; - if(kvm_hypercall0_1(KVM_HC_FEATURES, &r)) + if(epapr_hypercall0_1(KVM_HCALL_TOKEN(KVM_HC_FEATURES), &r)) return 0; return r; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index b15554a26c2..9c89cdd067a 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -54,12 +54,13 @@ extern void kvmppc_handler_highmem(void); extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu); extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, - int is_bigendian); + int is_default_endian); extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int rt, unsigned int bytes, - int is_bigendian); + int is_default_endian); extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, - u64 val, unsigned int bytes, int is_bigendian); + u64 val, unsigned int bytes, + int is_default_endian); extern int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu); @@ -106,13 +107,6 @@ extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq); extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu); extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu); - -extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, - unsigned int op, int *advance); -extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, - ulong val); -extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, - ulong *val); extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu); extern int kvmppc_booke_init(void); @@ -135,17 +129,19 @@ extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm, struct kvm_create_spapr_tce *args); extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce); -extern long kvm_vm_ioctl_allocate_rma(struct kvm *kvm, - struct kvm_allocate_rma *rma); +extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, + unsigned long ioba); extern struct kvm_rma_info *kvm_alloc_rma(void); extern void kvm_release_rma(struct kvm_rma_info *ri); extern struct page *kvm_alloc_hpt(unsigned long nr_pages); extern void kvm_release_hpt(struct page *page, unsigned long nr_pages); extern int kvmppc_core_init_vm(struct kvm *kvm); extern void kvmppc_core_destroy_vm(struct kvm *kvm); -extern void kvmppc_core_free_memslot(struct kvm_memory_slot *free, +extern void kvmppc_core_free_memslot(struct kvm *kvm, + struct kvm_memory_slot *free, struct kvm_memory_slot *dont); -extern int kvmppc_core_create_memslot(struct kvm_memory_slot *slot, +extern int kvmppc_core_create_memslot(struct kvm *kvm, + struct kvm_memory_slot *slot, unsigned long npages); extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, @@ -177,6 +173,72 @@ extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server, extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq); extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq); +union kvmppc_one_reg { + u32 wval; + u64 dval; + vector128 vval; + u64 vsxval[2]; + struct { + u64 addr; + u64 length; + } vpaval; +}; + +struct kvmppc_ops { + struct module *owner; + int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); + int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); + int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id, + union kvmppc_one_reg *val); + int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id, + union kvmppc_one_reg *val); + void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); + void (*vcpu_put)(struct kvm_vcpu *vcpu); + void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr); + int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu); + struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id); + void (*vcpu_free)(struct kvm_vcpu *vcpu); + int (*check_requests)(struct kvm_vcpu *vcpu); + int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log); + void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot); + int (*prepare_memory_region)(struct kvm *kvm, + struct kvm_memory_slot *memslot, + struct kvm_userspace_memory_region *mem); + void (*commit_memory_region)(struct kvm *kvm, + struct kvm_userspace_memory_region *mem, + const struct kvm_memory_slot *old); + int (*unmap_hva)(struct kvm *kvm, unsigned long hva); + int (*unmap_hva_range)(struct kvm *kvm, unsigned long start, + unsigned long end); + int (*age_hva)(struct kvm *kvm, unsigned long hva); + int (*test_age_hva)(struct kvm *kvm, unsigned long hva); + void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte); + void (*mmu_destroy)(struct kvm_vcpu *vcpu); + void (*free_memslot)(struct kvm_memory_slot *free, + struct kvm_memory_slot *dont); + int (*create_memslot)(struct kvm_memory_slot *slot, + unsigned long npages); + int (*init_vm)(struct kvm *kvm); + void (*destroy_vm)(struct kvm *kvm); + int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info); + int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu, + unsigned int inst, int *advance); + int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val); + int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val); + void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu); + long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl, + unsigned long arg); + +}; + +extern struct kvmppc_ops *kvmppc_hv_ops; +extern struct kvmppc_ops *kvmppc_pr_ops; + +static inline bool is_kvmppc_hv_enabled(struct kvm *kvm) +{ + return kvm->arch.kvm_ops == kvmppc_hv_ops; +} + /* * Cuts out inst bits with ordering according to spec. * That means the leftmost bit is zero. All given bits are included. @@ -210,17 +272,6 @@ static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value) return r; } -union kvmppc_one_reg { - u32 wval; - u64 dval; - vector128 vval; - u64 vsxval[2]; - struct { - u64 addr; - u64 length; - } vpaval; -}; - #define one_reg_size(id) \ (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) @@ -245,10 +296,10 @@ union kvmppc_one_reg { __v; \ }) -void kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); +int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); -void kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); +int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs); int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg); @@ -260,7 +311,7 @@ void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid); struct openpic; -#ifdef CONFIG_KVM_BOOK3S_64_HV +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE extern void kvm_cma_reserve(void) __init; static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) { @@ -269,10 +320,10 @@ static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr) static inline u32 kvmppc_get_xics_latch(void) { - u32 xirr = get_paca()->kvm_hstate.saved_xirr; + u32 xirr; + xirr = get_paca()->kvm_hstate.saved_xirr; get_paca()->kvm_hstate.saved_xirr = 0; - return xirr; } @@ -281,7 +332,14 @@ static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi) paca[cpu].kvm_hstate.host_ipi = host_ipi; } -extern void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu); +static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) +{ + vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu); +} + +extern void kvm_hv_vm_activated(void); +extern void kvm_hv_vm_deactivated(void); +extern bool kvm_hv_mode_active(void); #else static inline void __init kvm_cma_reserve(void) @@ -302,6 +360,9 @@ static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu) { kvm_vcpu_kick(vcpu); } + +static inline bool kvm_hv_mode_active(void) { return false; } + #endif #ifdef CONFIG_KVM_XICS @@ -395,6 +456,84 @@ static inline void kvmppc_mmu_flush_icache(pfn_t pfn) } /* + * Shared struct helpers. The shared struct can be little or big endian, + * depending on the guest endianness. So expose helpers to all of them. + */ +static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu) +{ +#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE) + /* Only Book3S_64 PR supports bi-endian for now */ + return vcpu->arch.shared_big_endian; +#elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__) + /* Book3s_64 HV on little endian is always little endian */ + return false; +#else + return true; +#endif +} + +#define SHARED_WRAPPER_GET(reg, size) \ +static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \ +{ \ + if (kvmppc_shared_big_endian(vcpu)) \ + return be##size##_to_cpu(vcpu->arch.shared->reg); \ + else \ + return le##size##_to_cpu(vcpu->arch.shared->reg); \ +} \ + +#define SHARED_WRAPPER_SET(reg, size) \ +static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \ +{ \ + if (kvmppc_shared_big_endian(vcpu)) \ + vcpu->arch.shared->reg = cpu_to_be##size(val); \ + else \ + vcpu->arch.shared->reg = cpu_to_le##size(val); \ +} \ + +#define SHARED_WRAPPER(reg, size) \ + SHARED_WRAPPER_GET(reg, size) \ + SHARED_WRAPPER_SET(reg, size) \ + +SHARED_WRAPPER(critical, 64) +SHARED_WRAPPER(sprg0, 64) +SHARED_WRAPPER(sprg1, 64) +SHARED_WRAPPER(sprg2, 64) +SHARED_WRAPPER(sprg3, 64) +SHARED_WRAPPER(srr0, 64) +SHARED_WRAPPER(srr1, 64) +SHARED_WRAPPER(dar, 64) +SHARED_WRAPPER_GET(msr, 64) +static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val) +{ + if (kvmppc_shared_big_endian(vcpu)) + vcpu->arch.shared->msr = cpu_to_be64(val); + else + vcpu->arch.shared->msr = cpu_to_le64(val); +} +SHARED_WRAPPER(dsisr, 32) +SHARED_WRAPPER(int_pending, 32) +SHARED_WRAPPER(sprg4, 64) +SHARED_WRAPPER(sprg5, 64) +SHARED_WRAPPER(sprg6, 64) +SHARED_WRAPPER(sprg7, 64) + +static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr) +{ + if (kvmppc_shared_big_endian(vcpu)) + return be32_to_cpu(vcpu->arch.shared->sr[nr]); + else + return le32_to_cpu(vcpu->arch.shared->sr[nr]); +} + +static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val) +{ + if (kvmppc_shared_big_endian(vcpu)) + vcpu->arch.shared->sr[nr] = cpu_to_be32(val); + else + vcpu->arch.shared->sr[nr] = cpu_to_le32(val); +} + +/* * Please call after prepare_to_enter. This function puts the lazy ee and irq * disabled tracking state back to normal mode, without actually enabling * interrupts. @@ -404,6 +543,12 @@ static inline void kvmppc_fix_ee_before_entry(void) trace_hardirqs_on(); #ifdef CONFIG_PPC64 + /* + * To avoid races, the caller must have gone directly from having + * interrupts fully-enabled to hard-disabled. + */ + WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS); + /* Only need to enable IRQs by hard enabling them after this */ local_paca->irq_happened = 0; local_paca->soft_enabled = 1; @@ -425,7 +570,7 @@ static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb) msr_64bit = MSR_SF; #endif - if (!(vcpu->arch.shared->msr & msr_64bit)) + if (!(kvmppc_get_msr(vcpu) & msr_64bit)) ea = (uint32_t)ea; return ea; diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h index b36f650a13f..e3ad5c72724 100644 --- a/arch/powerpc/include/asm/linkage.h +++ b/arch/powerpc/include/asm/linkage.h @@ -2,6 +2,7 @@ #define _ASM_POWERPC_LINKAGE_H #ifdef CONFIG_PPC64 +#if !defined(_CALL_ELF) || _CALL_ELF != 2 #define cond_syscall(x) \ asm ("\t.weak " #x "\n\t.set " #x ", sys_ni_syscall\n" \ "\t.weak ." #x "\n\t.set ." #x ", .sys_ni_syscall\n") @@ -9,5 +10,6 @@ asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \ "\t.globl ." #alias "\n\t.set ." #alias ", ." #name) #endif +#endif #endif /* _ASM_POWERPC_LINKAGE_H */ diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 4470d1e34d2..d0a2a2f9956 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -84,8 +84,8 @@ struct lppaca { * the processor is yielded (either because of an OS yield or a * hypervisor preempt). An even value implies that the processor is * currently executing. - * NOTE: This value will ALWAYS be zero for dedicated processors and - * will NEVER be zero for shared processors (ie, initialized to a 1). + * NOTE: Even dedicated processor partitions can yield so this + * field cannot be used to determine if we are shared or dedicated. */ volatile __be32 yield_count; volatile __be32 dispersion_count; /* dispatch changed physical cpu */ @@ -106,15 +106,15 @@ extern struct lppaca lppaca[]; #define lppaca_of(cpu) (*paca[cpu].lppaca_ptr) /* - * Old kernels used a reserved bit in the VPA to determine if it was running - * in shared processor mode. New kernels look for a non zero yield count - * but KVM still needs to set the bit to keep the old stuff happy. + * We are using a non architected field to determine if a partition is + * shared or dedicated. This currently works on both KVM and PHYP, but + * we will have to transition to something better. */ #define LPPACA_OLD_SHARED_PROC 2 static inline bool lppaca_shared_proc(struct lppaca *l) { - return l->yield_count != 0; + return !!(l->__old_status & LPPACA_OLD_SHARED_PROC); } /* @@ -132,8 +132,6 @@ struct slb_shadow { } save_area[SLB_NUM_BOLTED]; } ____cacheline_aligned; -extern struct slb_shadow slb_shadow[]; - /* * Layout of entries in the hypervisor's dispatch trace log buffer. */ diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 8b480901165..f92b0b54e92 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -78,6 +78,18 @@ struct machdep_calls { long index); void (*tce_flush)(struct iommu_table *tbl); + /* _rm versions are for real mode use only */ + int (*tce_build_rm)(struct iommu_table *tbl, + long index, + long npages, + unsigned long uaddr, + enum dma_data_direction direction, + struct dma_attrs *attrs); + void (*tce_free_rm)(struct iommu_table *tbl, + long index, + long npages); + void (*tce_flush_rm)(struct iommu_table *tbl); + void __iomem * (*ioremap)(phys_addr_t addr, unsigned long size, unsigned long flags, void *caller); void (*iounmap)(volatile void __iomem *token); @@ -86,6 +98,9 @@ struct machdep_calls { void (*iommu_save)(void); void (*iommu_restore)(void); #endif +#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE + unsigned long (*memory_block_size)(void); +#endif #endif /* CONFIG_PPC64 */ void (*pci_dma_dev_setup)(struct pci_dev *dev); @@ -101,6 +116,8 @@ struct machdep_calls { /* Optional, may be NULL. */ void (*show_cpuinfo)(struct seq_file *m); void (*show_percpuinfo)(struct seq_file *m, int i); + /* Returns the current operating frequency of "cpu" in Hz */ + unsigned long (*get_proc_freq)(unsigned int cpu); void (*init_IRQ)(void); @@ -158,6 +175,9 @@ struct machdep_calls { int (*system_reset_exception)(struct pt_regs *regs); int (*machine_check_exception)(struct pt_regs *regs); + /* Called during machine check exception to retrive fixup address. */ + bool (*mce_check_early_recovery)(struct pt_regs *regs); + /* Motherboard/chipset features. This is a kind of general purpose * hook used to control some machine specific features (like reset * lines, chip power control, etc...). @@ -226,6 +246,9 @@ struct machdep_calls { /* Called during PCI resource reassignment */ resource_size_t (*pcibios_window_alignment)(struct pci_bus *, unsigned long type); + /* Reset the secondary bus of bridge */ + void (*pcibios_reset_secondary_bus)(struct pci_dev *dev); + /* Called to shutdown machine specific hardware not already controlled * by other drivers. */ @@ -263,6 +286,14 @@ struct machdep_calls { ssize_t (*cpu_probe)(const char *, size_t); ssize_t (*cpu_release)(const char *, size_t); #endif + +#ifdef CONFIG_ARCH_RANDOM + int (*get_random_long)(unsigned long *v); +#endif + +#ifdef CONFIG_MEMORY_HOTREMOVE + int (*remove_memory)(u64, u64); +#endif }; extern void e500_idle(void); diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h new file mode 100644 index 00000000000..f97d8cb6bdf --- /dev/null +++ b/arch/powerpc/include/asm/mce.h @@ -0,0 +1,198 @@ +/* + * Machine check exception header file. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright 2013 IBM Corporation + * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> + */ + +#ifndef __ASM_PPC64_MCE_H__ +#define __ASM_PPC64_MCE_H__ + +#include <linux/bitops.h> + +/* + * Machine Check bits on power7 and power8 + */ +#define P7_SRR1_MC_LOADSTORE(srr1) ((srr1) & PPC_BIT(42)) /* P8 too */ + +/* SRR1 bits for machine check (On Power7 and Power8) */ +#define P7_SRR1_MC_IFETCH(srr1) ((srr1) & PPC_BITMASK(43, 45)) /* P8 too */ + +#define P7_SRR1_MC_IFETCH_UE (0x1 << PPC_BITLSHIFT(45)) /* P8 too */ +#define P7_SRR1_MC_IFETCH_SLB_PARITY (0x2 << PPC_BITLSHIFT(45)) /* P8 too */ +#define P7_SRR1_MC_IFETCH_SLB_MULTIHIT (0x3 << PPC_BITLSHIFT(45)) /* P8 too */ +#define P7_SRR1_MC_IFETCH_SLB_BOTH (0x4 << PPC_BITLSHIFT(45)) +#define P7_SRR1_MC_IFETCH_TLB_MULTIHIT (0x5 << PPC_BITLSHIFT(45)) /* P8 too */ +#define P7_SRR1_MC_IFETCH_UE_TLB_RELOAD (0x6 << PPC_BITLSHIFT(45)) /* P8 too */ +#define P7_SRR1_MC_IFETCH_UE_IFU_INTERNAL (0x7 << PPC_BITLSHIFT(45)) + +/* SRR1 bits for machine check (On Power8) */ +#define P8_SRR1_MC_IFETCH_ERAT_MULTIHIT (0x4 << PPC_BITLSHIFT(45)) + +/* DSISR bits for machine check (On Power7 and Power8) */ +#define P7_DSISR_MC_UE (PPC_BIT(48)) /* P8 too */ +#define P7_DSISR_MC_UE_TABLEWALK (PPC_BIT(49)) /* P8 too */ +#define P7_DSISR_MC_ERAT_MULTIHIT (PPC_BIT(52)) /* P8 too */ +#define P7_DSISR_MC_TLB_MULTIHIT_MFTLB (PPC_BIT(53)) /* P8 too */ +#define P7_DSISR_MC_SLB_PARITY_MFSLB (PPC_BIT(55)) /* P8 too */ +#define P7_DSISR_MC_SLB_MULTIHIT (PPC_BIT(56)) /* P8 too */ +#define P7_DSISR_MC_SLB_MULTIHIT_PARITY (PPC_BIT(57)) /* P8 too */ + +/* + * DSISR bits for machine check (Power8) in addition to above. + * Secondary DERAT Multihit + */ +#define P8_DSISR_MC_ERAT_MULTIHIT_SEC (PPC_BIT(54)) + +/* SLB error bits */ +#define P7_DSISR_MC_SLB_ERRORS (P7_DSISR_MC_ERAT_MULTIHIT | \ + P7_DSISR_MC_SLB_PARITY_MFSLB | \ + P7_DSISR_MC_SLB_MULTIHIT | \ + P7_DSISR_MC_SLB_MULTIHIT_PARITY) + +#define P8_DSISR_MC_SLB_ERRORS (P7_DSISR_MC_SLB_ERRORS | \ + P8_DSISR_MC_ERAT_MULTIHIT_SEC) +enum MCE_Version { + MCE_V1 = 1, +}; + +enum MCE_Severity { + MCE_SEV_NO_ERROR = 0, + MCE_SEV_WARNING = 1, + MCE_SEV_ERROR_SYNC = 2, + MCE_SEV_FATAL = 3, +}; + +enum MCE_Disposition { + MCE_DISPOSITION_RECOVERED = 0, + MCE_DISPOSITION_NOT_RECOVERED = 1, +}; + +enum MCE_Initiator { + MCE_INITIATOR_UNKNOWN = 0, + MCE_INITIATOR_CPU = 1, +}; + +enum MCE_ErrorType { + MCE_ERROR_TYPE_UNKNOWN = 0, + MCE_ERROR_TYPE_UE = 1, + MCE_ERROR_TYPE_SLB = 2, + MCE_ERROR_TYPE_ERAT = 3, + MCE_ERROR_TYPE_TLB = 4, +}; + +enum MCE_UeErrorType { + MCE_UE_ERROR_INDETERMINATE = 0, + MCE_UE_ERROR_IFETCH = 1, + MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2, + MCE_UE_ERROR_LOAD_STORE = 3, + MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4, +}; + +enum MCE_SlbErrorType { + MCE_SLB_ERROR_INDETERMINATE = 0, + MCE_SLB_ERROR_PARITY = 1, + MCE_SLB_ERROR_MULTIHIT = 2, +}; + +enum MCE_EratErrorType { + MCE_ERAT_ERROR_INDETERMINATE = 0, + MCE_ERAT_ERROR_PARITY = 1, + MCE_ERAT_ERROR_MULTIHIT = 2, +}; + +enum MCE_TlbErrorType { + MCE_TLB_ERROR_INDETERMINATE = 0, + MCE_TLB_ERROR_PARITY = 1, + MCE_TLB_ERROR_MULTIHIT = 2, +}; + +struct machine_check_event { + enum MCE_Version version:8; /* 0x00 */ + uint8_t in_use; /* 0x01 */ + enum MCE_Severity severity:8; /* 0x02 */ + enum MCE_Initiator initiator:8; /* 0x03 */ + enum MCE_ErrorType error_type:8; /* 0x04 */ + enum MCE_Disposition disposition:8; /* 0x05 */ + uint8_t reserved_1[2]; /* 0x06 */ + uint64_t gpr3; /* 0x08 */ + uint64_t srr0; /* 0x10 */ + uint64_t srr1; /* 0x18 */ + union { /* 0x20 */ + struct { + enum MCE_UeErrorType ue_error_type:8; + uint8_t effective_address_provided; + uint8_t physical_address_provided; + uint8_t reserved_1[5]; + uint64_t effective_address; + uint64_t physical_address; + uint8_t reserved_2[8]; + } ue_error; + + struct { + enum MCE_SlbErrorType slb_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } slb_error; + + struct { + enum MCE_EratErrorType erat_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } erat_error; + + struct { + enum MCE_TlbErrorType tlb_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } tlb_error; + } u; +}; + +struct mce_error_info { + enum MCE_ErrorType error_type:8; + union { + enum MCE_UeErrorType ue_error_type:8; + enum MCE_SlbErrorType slb_error_type:8; + enum MCE_EratErrorType erat_error_type:8; + enum MCE_TlbErrorType tlb_error_type:8; + } u; + uint8_t reserved[2]; +}; + +#define MAX_MC_EVT 100 + +/* Release flags for get_mce_event() */ +#define MCE_EVENT_RELEASE true +#define MCE_EVENT_DONTRELEASE false + +extern void save_mce_event(struct pt_regs *regs, long handled, + struct mce_error_info *mce_err, uint64_t nip, + uint64_t addr); +extern int get_mce_event(struct machine_check_event *mce, bool release); +extern void release_mce_event(void); +extern void machine_check_queue_event(void); +extern void machine_check_print_event_info(struct machine_check_event *evt); +extern uint64_t get_mce_fault_addr(struct machine_check_event *evt); + +#endif /* __ASM_PPC64_MCE_H__ */ diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index 936db360790..d0918e09557 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -223,10 +223,6 @@ typedef struct { unsigned int id; unsigned int active; unsigned long vdso_base; -#ifdef CONFIG_PPC_ICSWX - struct spinlock *cop_lockp; /* guard cop related stuff */ - unsigned long acop; /* mask of enabled coprocessor types */ -#endif /* CONFIG_PPC_ICSWX */ #ifdef CONFIG_PPC_MM_SLICES u64 low_slices_psize; /* SLB page size encodings */ u64 high_slices_psize; /* 4 bits per slice for now */ @@ -286,8 +282,24 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) extern int mmu_linear_psize; extern int mmu_vmemmap_psize; +struct tlb_core_data { + /* + * Per-core spinlock for e6500 TLB handlers (no tlbsrx.) + * Must be the first struct element. + */ + u8 lock; + + /* For software way selection, as on Freescale TLB1 */ + u8 esel_next, esel_max, esel_first; +}; + #ifdef CONFIG_PPC64 extern unsigned long linear_map_top; +extern int book3e_htw_mode; + +#define PPC_HTW_NONE 0 +#define PPC_HTW_IBM 1 +#define PPC_HTW_E6500 2 /* * 64-bit booke platforms don't load the tlb in the tlb miss handler code. diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index c4cf0119727..c2b4dcf23d0 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -22,6 +22,7 @@ */ #include <asm/pgtable-ppc64.h> #include <asm/bug.h> +#include <asm/processor.h> /* * Segment table @@ -135,8 +136,8 @@ extern char initial_stab[]; #ifndef __ASSEMBLY__ struct hash_pte { - unsigned long v; - unsigned long r; + __be64 v; + __be64 r; }; extern struct hash_pte *htab_address; @@ -496,7 +497,7 @@ extern void slb_set_size(u16 size); */ struct subpage_prot_table { unsigned long maxaddr; /* only addresses < this are protected */ - unsigned int **protptrs[2]; + unsigned int **protptrs[(TASK_SIZE_USER64 >> 43)]; unsigned int *low_prot[4]; }; diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 691fd8aca93..e61f24ed4e6 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -19,8 +19,7 @@ #define MMU_FTR_TYPE_40x ASM_CONST(0x00000004) #define MMU_FTR_TYPE_44x ASM_CONST(0x00000008) #define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010) -#define MMU_FTR_TYPE_3E ASM_CONST(0x00000020) -#define MMU_FTR_TYPE_47x ASM_CONST(0x00000040) +#define MMU_FTR_TYPE_47x ASM_CONST(0x00000020) /* * This is individual features @@ -106,13 +105,6 @@ MMU_FTR_CI_LARGE_PAGE #define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B -#define MMU_FTRS_A2 MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX | \ - MMU_FTR_USE_TLBIVAX_BCAST | \ - MMU_FTR_LOCK_BCAST_INVAL | \ - MMU_FTR_USE_TLBRSRV | \ - MMU_FTR_USE_PAIRED_MAS | \ - MMU_FTR_TLBIEL | \ - MMU_FTR_16M_PAGE #ifndef __ASSEMBLY__ #include <asm/cputable.h> @@ -180,16 +172,17 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr) #define MMU_PAGE_64K_AP 3 /* "Admixed pages" (hash64 only) */ #define MMU_PAGE_256K 4 #define MMU_PAGE_1M 5 -#define MMU_PAGE_4M 6 -#define MMU_PAGE_8M 7 -#define MMU_PAGE_16M 8 -#define MMU_PAGE_64M 9 -#define MMU_PAGE_256M 10 -#define MMU_PAGE_1G 11 -#define MMU_PAGE_16G 12 -#define MMU_PAGE_64G 13 - -#define MMU_PAGE_COUNT 14 +#define MMU_PAGE_2M 6 +#define MMU_PAGE_4M 7 +#define MMU_PAGE_8M 8 +#define MMU_PAGE_16M 9 +#define MMU_PAGE_64M 10 +#define MMU_PAGE_256M 11 +#define MMU_PAGE_1G 12 +#define MMU_PAGE_16G 13 +#define MMU_PAGE_64G 14 + +#define MMU_PAGE_COUNT 15 #if defined(CONFIG_PPC_STD_MMU_64) /* 64-bit classic hash table MMU */ diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index 49fa55bfbac..dcfcad139bc 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -35,6 +35,7 @@ struct mod_arch_specific { #ifdef __powerpc64__ unsigned int stubs_section; /* Index of stubs section in module */ unsigned int toc_section; /* What section is the TOC? */ + bool toc_fixed; /* Have we fixed up .TOC.? */ #ifdef CONFIG_DYNAMIC_FTRACE unsigned long toc; unsigned long tramp; @@ -77,6 +78,9 @@ struct mod_arch_specific { # endif /* MODULE */ #endif +bool is_module_trampoline(u32 *insns); +int module_trampoline_target(struct module *mod, u32 *trampoline, + unsigned long *target); struct exception_table_entry; void sort_ex_table(struct exception_table_entry *start, diff --git a/arch/powerpc/include/asm/mpc5121.h b/arch/powerpc/include/asm/mpc5121.h index 887d3d6133e..4a69cd1d504 100644 --- a/arch/powerpc/include/asm/mpc5121.h +++ b/arch/powerpc/include/asm/mpc5121.h @@ -37,7 +37,12 @@ struct mpc512x_ccm { u32 cccr; /* CFM Clock Control Register */ u32 dccr; /* DIU Clock Control Register */ u32 mscan_ccr[4]; /* MSCAN Clock Control Registers */ - u8 res[0x98]; /* Reserved */ + u32 out_ccr[4]; /* OUT CLK Configure Registers */ + u32 rsv0[2]; /* Reserved */ + u32 scfr3; /* System Clock Frequency Register 3 */ + u32 rsv1[3]; /* Reserved */ + u32 spll_lock_cnt; /* System PLL Lock Counter */ + u8 res[0x6c]; /* Reserved */ }; /* diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index c5cd72833d6..0da1dbd42e0 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -12,35 +12,28 @@ #ifndef __OPAL_H #define __OPAL_H -/****** Takeover interface ********/ - -/* PAPR H-Call used to querty the HAL existence and/or instanciate - * it from within pHyp (tech preview only). +#ifndef __ASSEMBLY__ +/* + * SG entry * - * This is exclusively used in prom_init.c + * WARNING: The current implementation requires each entry + * to represent a block that is 4k aligned *and* each block + * size except the last one in the list to be as well. */ - -#ifndef __ASSEMBLY__ - -struct opal_takeover_args { - u64 k_image; /* r4 */ - u64 k_size; /* r5 */ - u64 k_entry; /* r6 */ - u64 k_entry2; /* r7 */ - u64 hal_addr; /* r8 */ - u64 rd_image; /* r9 */ - u64 rd_size; /* r10 */ - u64 rd_loc; /* r11 */ +struct opal_sg_entry { + __be64 data; + __be64 length; }; -extern long opal_query_takeover(u64 *hal_size, u64 *hal_align); - -extern long opal_do_takeover(struct opal_takeover_args *args); +/* SG list */ +struct opal_sg_list { + __be64 length; + __be64 next; + struct opal_sg_entry entry[]; +}; -struct rtas_args; -extern int opal_enter_rtas(struct rtas_args *args, - unsigned long data, - unsigned long entry); +/* We calculate number of sg entries based on PAGE_SIZE */ +#define SG_ENTRIES_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct opal_sg_entry)) #endif /* __ASSEMBLY__ */ @@ -61,8 +54,11 @@ extern int opal_enter_rtas(struct rtas_args *args, #define OPAL_INTERNAL_ERROR -11 #define OPAL_BUSY_EVENT -12 #define OPAL_HARDWARE_FROZEN -13 +#define OPAL_WRONG_STATE -14 +#define OPAL_ASYNC_COMPLETION -15 /* API Tokens (in r0) */ +#define OPAL_INVALID_CALL -1 #define OPAL_CONSOLE_WRITE 1 #define OPAL_CONSOLE_READ 2 #define OPAL_RTC_READ 3 @@ -129,9 +125,33 @@ extern int opal_enter_rtas(struct rtas_args *args, #define OPAL_LPC_READ 67 #define OPAL_LPC_WRITE 68 #define OPAL_RETURN_CPU 69 +#define OPAL_REINIT_CPUS 70 +#define OPAL_ELOG_READ 71 +#define OPAL_ELOG_WRITE 72 +#define OPAL_ELOG_ACK 73 +#define OPAL_ELOG_RESEND 74 +#define OPAL_ELOG_SIZE 75 +#define OPAL_FLASH_VALIDATE 76 +#define OPAL_FLASH_MANAGE 77 +#define OPAL_FLASH_UPDATE 78 +#define OPAL_RESYNC_TIMEBASE 79 +#define OPAL_DUMP_INIT 81 +#define OPAL_DUMP_INFO 82 +#define OPAL_DUMP_READ 83 +#define OPAL_DUMP_ACK 84 +#define OPAL_GET_MSG 85 +#define OPAL_CHECK_ASYNC_COMPLETION 86 +#define OPAL_SYNC_HOST_REBOOT 87 +#define OPAL_SENSOR_READ 88 +#define OPAL_GET_PARAM 89 +#define OPAL_SET_PARAM 90 +#define OPAL_DUMP_RESEND 91 +#define OPAL_DUMP_INFO2 94 #ifndef __ASSEMBLY__ +#include <linux/notifier.h> + /* Other enums */ enum OpalVendorApiTokens { OPAL_START_VENDOR_API_RANGE = 1000, OPAL_END_VENDOR_API_RANGE = 1999 @@ -208,7 +228,19 @@ enum OpalPendingState { OPAL_EVENT_ERROR_LOG = 0x40, OPAL_EVENT_EPOW = 0x80, OPAL_EVENT_LED_STATUS = 0x100, - OPAL_EVENT_PCI_ERROR = 0x200 + OPAL_EVENT_PCI_ERROR = 0x200, + OPAL_EVENT_DUMP_AVAIL = 0x400, + OPAL_EVENT_MSG_PENDING = 0x800, +}; + +enum OpalMessageType { + OPAL_MSG_ASYNC_COMP = 0, /* params[0] = token, params[1] = rc, + * additional params function-specific + */ + OPAL_MSG_MEM_ERR, + OPAL_MSG_EPOW, + OPAL_MSG_SHUTDOWN, + OPAL_MSG_TYPE_MAX, }; /* Machine check related definitions */ @@ -308,12 +340,16 @@ enum OpalMveEnableAction { OPAL_ENABLE_MVE = 1 }; -enum OpalPciResetAndReinitScope { +enum OpalPciResetScope { OPAL_PHB_COMPLETE = 1, OPAL_PCI_LINK = 2, OPAL_PHB_ERROR = 3, OPAL_PCI_HOT_RESET = 4, OPAL_PCI_FUNDAMENTAL_RESET = 5, OPAL_PCI_IODA_TABLE_RESET = 6, }; +enum OpalPciReinitScope { + OPAL_REINIT_PCI_DEV = 1000 +}; + enum OpalPciResetState { OPAL_DEASSERT_RESET = 0, OPAL_ASSERT_RESET = 1 @@ -353,6 +389,19 @@ enum OpalLPCAddressType { OPAL_LPC_FW = 2, }; +/* System parameter permission */ +enum OpalSysparamPerm { + OPAL_SYSPARAM_READ = 0x1, + OPAL_SYSPARAM_WRITE = 0x2, + OPAL_SYSPARAM_RW = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE), +}; + +struct opal_msg { + __be32 msg_type; + __be32 reserved; + __be64 params[8]; +}; + struct opal_machine_check_event { enum OpalMCE_Version version:8; /* 0x00 */ uint8_t in_use; /* 0x01 */ @@ -401,6 +450,58 @@ struct opal_machine_check_event { } u; }; +/* FSP memory errors handling */ +enum OpalMemErr_Version { + OpalMemErr_V1 = 1, +}; + +enum OpalMemErrType { + OPAL_MEM_ERR_TYPE_RESILIENCE = 0, + OPAL_MEM_ERR_TYPE_DYN_DALLOC, + OPAL_MEM_ERR_TYPE_SCRUB, +}; + +/* Memory Reilience error type */ +enum OpalMemErr_ResilErrType { + OPAL_MEM_RESILIENCE_CE = 0, + OPAL_MEM_RESILIENCE_UE, + OPAL_MEM_RESILIENCE_UE_SCRUB, +}; + +/* Dynamic Memory Deallocation type */ +enum OpalMemErr_DynErrType { + OPAL_MEM_DYNAMIC_DEALLOC = 0, +}; + +/* OpalMemoryErrorData->flags */ +#define OPAL_MEM_CORRECTED_ERROR 0x0001 +#define OPAL_MEM_THRESHOLD_EXCEEDED 0x0002 +#define OPAL_MEM_ACK_REQUIRED 0x8000 + +struct OpalMemoryErrorData { + enum OpalMemErr_Version version:8; /* 0x00 */ + enum OpalMemErrType type:8; /* 0x01 */ + __be16 flags; /* 0x02 */ + uint8_t reserved_1[4]; /* 0x04 */ + + union { + /* Memory Resilience corrected/uncorrected error info */ + struct { + enum OpalMemErr_ResilErrType resil_err_type:8; + uint8_t reserved_1[7]; + __be64 physical_address_start; + __be64 physical_address_end; + } resilience; + /* Dynamic memory deallocation error info */ + struct { + enum OpalMemErr_DynErrType dyn_err_type:8; + uint8_t reserved_1[7]; + __be64 physical_address_start; + __be64 physical_address_end; + } dyn_dealloc; + } u; +}; + enum { OPAL_P7IOC_DIAG_TYPE_NONE = 0, OPAL_P7IOC_DIAG_TYPE_RGC = 1, @@ -460,16 +561,18 @@ enum { enum { OPAL_PHB_ERROR_DATA_TYPE_P7IOC = 1, + OPAL_PHB_ERROR_DATA_TYPE_PHB3 = 2 }; enum { OPAL_P7IOC_NUM_PEST_REGS = 128, + OPAL_PHB3_NUM_PEST_REGS = 256 }; struct OpalIoPhbErrorCommon { - uint32_t version; - uint32_t ioType; - uint32_t len; + __be32 version; + __be32 ioType; + __be32 len; }; struct OpalIoP7IOCPhbErrorData { @@ -531,28 +634,103 @@ struct OpalIoP7IOCPhbErrorData { uint64_t pestB[OPAL_P7IOC_NUM_PEST_REGS]; }; +struct OpalIoPhb3ErrorData { + struct OpalIoPhbErrorCommon common; + + __be32 brdgCtl; + + /* PHB3 UTL regs */ + __be32 portStatusReg; + __be32 rootCmplxStatus; + __be32 busAgentStatus; + + /* PHB3 cfg regs */ + __be32 deviceStatus; + __be32 slotStatus; + __be32 linkStatus; + __be32 devCmdStatus; + __be32 devSecStatus; + + /* cfg AER regs */ + __be32 rootErrorStatus; + __be32 uncorrErrorStatus; + __be32 corrErrorStatus; + __be32 tlpHdr1; + __be32 tlpHdr2; + __be32 tlpHdr3; + __be32 tlpHdr4; + __be32 sourceId; + + __be32 rsv3; + + /* Record data about the call to allocate a buffer */ + __be64 errorClass; + __be64 correlator; + + __be64 nFir; /* 000 */ + __be64 nFirMask; /* 003 */ + __be64 nFirWOF; /* 008 */ + + /* PHB3 MMIO Error Regs */ + __be64 phbPlssr; /* 120 */ + __be64 phbCsr; /* 110 */ + __be64 lemFir; /* C00 */ + __be64 lemErrorMask; /* C18 */ + __be64 lemWOF; /* C40 */ + __be64 phbErrorStatus; /* C80 */ + __be64 phbFirstErrorStatus; /* C88 */ + __be64 phbErrorLog0; /* CC0 */ + __be64 phbErrorLog1; /* CC8 */ + __be64 mmioErrorStatus; /* D00 */ + __be64 mmioFirstErrorStatus; /* D08 */ + __be64 mmioErrorLog0; /* D40 */ + __be64 mmioErrorLog1; /* D48 */ + __be64 dma0ErrorStatus; /* D80 */ + __be64 dma0FirstErrorStatus; /* D88 */ + __be64 dma0ErrorLog0; /* DC0 */ + __be64 dma0ErrorLog1; /* DC8 */ + __be64 dma1ErrorStatus; /* E00 */ + __be64 dma1FirstErrorStatus; /* E08 */ + __be64 dma1ErrorLog0; /* E40 */ + __be64 dma1ErrorLog1; /* E48 */ + __be64 pestA[OPAL_PHB3_NUM_PEST_REGS]; + __be64 pestB[OPAL_PHB3_NUM_PEST_REGS]; +}; + +enum { + OPAL_REINIT_CPUS_HILE_BE = (1 << 0), + OPAL_REINIT_CPUS_HILE_LE = (1 << 1), +}; + typedef struct oppanel_line { const char * line; uint64_t line_len; } oppanel_line_t; +/* /sys/firmware/opal */ +extern struct kobject *opal_kobj; + +/* /ibm,opal */ +extern struct device_node *opal_node; + /* API functions */ -int64_t opal_console_write(int64_t term_number, int64_t *length, +int64_t opal_invalid_call(void); +int64_t opal_console_write(int64_t term_number, __be64 *length, const uint8_t *buffer); -int64_t opal_console_read(int64_t term_number, int64_t *length, +int64_t opal_console_read(int64_t term_number, __be64 *length, uint8_t *buffer); int64_t opal_console_write_buffer_space(int64_t term_number, - int64_t *length); -int64_t opal_rtc_read(uint32_t *year_month_day, - uint64_t *hour_minute_second_millisecond); + __be64 *length); +int64_t opal_rtc_read(__be32 *year_month_day, + __be64 *hour_minute_second_millisecond); int64_t opal_rtc_write(uint32_t year_month_day, uint64_t hour_minute_second_millisecond); int64_t opal_cec_power_down(uint64_t request); int64_t opal_cec_reboot(void); int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset); int64_t opal_write_nvram(uint64_t buffer, uint64_t size, uint64_t offset); -int64_t opal_handle_interrupt(uint64_t isn, uint64_t *outstanding_event_mask); -int64_t opal_poll_events(uint64_t *outstanding_event_mask); +int64_t opal_handle_interrupt(uint64_t isn, __be64 *outstanding_event_mask); +int64_t opal_poll_events(__be64 *outstanding_event_mask); int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id, uint64_t tce_mem_addr, uint64_t tce_mem_size); int64_t opal_pci_set_phb_tce_memory(uint64_t phb_id, uint64_t tce_mem_addr, @@ -560,9 +738,9 @@ int64_t opal_pci_set_phb_tce_memory(uint64_t phb_id, uint64_t tce_mem_addr, int64_t opal_pci_config_read_byte(uint64_t phb_id, uint64_t bus_dev_func, uint64_t offset, uint8_t *data); int64_t opal_pci_config_read_half_word(uint64_t phb_id, uint64_t bus_dev_func, - uint64_t offset, uint16_t *data); + uint64_t offset, __be16 *data); int64_t opal_pci_config_read_word(uint64_t phb_id, uint64_t bus_dev_func, - uint64_t offset, uint32_t *data); + uint64_t offset, __be32 *data); int64_t opal_pci_config_write_byte(uint64_t phb_id, uint64_t bus_dev_func, uint64_t offset, uint8_t data); int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func, @@ -570,14 +748,14 @@ int64_t opal_pci_config_write_half_word(uint64_t phb_id, uint64_t bus_dev_func, int64_t opal_pci_config_write_word(uint64_t phb_id, uint64_t bus_dev_func, uint64_t offset, uint32_t data); int64_t opal_set_xive(uint32_t isn, uint16_t server, uint8_t priority); -int64_t opal_get_xive(uint32_t isn, uint16_t *server, uint8_t *priority); +int64_t opal_get_xive(uint32_t isn, __be16 *server, uint8_t *priority); int64_t opal_register_exception_handler(uint64_t opal_exception, uint64_t handler_address, uint64_t glue_cache_line); int64_t opal_pci_eeh_freeze_status(uint64_t phb_id, uint64_t pe_number, uint8_t *freeze_state, - uint16_t *pci_error_type, - uint64_t *phb_status); + __be16 *pci_error_type, + __be64 *phb_status); int64_t opal_pci_eeh_freeze_clear(uint64_t phb_id, uint64_t pe_number, uint64_t eeh_action_token); int64_t opal_pci_shpc(uint64_t phb_id, uint64_t shpc_action, uint8_t *state); @@ -614,13 +792,13 @@ int64_t opal_pci_msi_eoi(uint64_t phb_id, uint32_t hw_irq); int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number, uint32_t xive_num); int64_t opal_get_xive_source(uint64_t phb_id, uint32_t xive_num, - int32_t *interrupt_source_number); + __be32 *interrupt_source_number); int64_t opal_get_msi_32(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num, - uint8_t msi_range, uint32_t *msi_address, - uint32_t *message_data); + uint8_t msi_range, __be32 *msi_address, + __be32 *message_data); int64_t opal_get_msi_64(uint64_t phb_id, uint32_t mve_number, uint32_t xive_num, uint8_t msi_range, - uint64_t *msi_address, uint32_t *message_data); + __be64 *msi_address, __be32 *message_data); int64_t opal_start_cpu(uint64_t thread_number, uint64_t start_address); int64_t opal_query_cpu_status(uint64_t thread_number, uint8_t *thread_status); int64_t opal_write_oppanel(oppanel_line_t *lines, uint64_t num_lines); @@ -639,58 +817,101 @@ int64_t opal_pci_get_phb_diag_data(uint64_t phb_id, void *diag_buffer, int64_t opal_pci_get_phb_diag_data2(uint64_t phb_id, void *diag_buffer, uint64_t diag_buffer_len); int64_t opal_pci_fence_phb(uint64_t phb_id); -int64_t opal_pci_reinit(uint64_t phb_id, uint8_t reinit_scope); +int64_t opal_pci_reinit(uint64_t phb_id, uint64_t reinit_scope, uint64_t data); int64_t opal_pci_mask_pe_error(uint64_t phb_id, uint16_t pe_number, uint8_t error_type, uint8_t mask_action); int64_t opal_set_slot_led_status(uint64_t phb_id, uint64_t slot_id, uint8_t led_type, uint8_t led_action); -int64_t opal_get_epow_status(uint64_t *status); +int64_t opal_get_epow_status(__be64 *status); int64_t opal_set_system_attention_led(uint8_t led_action); -int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe, - uint16_t *pci_error_type, uint16_t *severity); +int64_t opal_pci_next_error(uint64_t phb_id, __be64 *first_frozen_pe, + __be16 *pci_error_type, __be16 *severity); int64_t opal_pci_poll(uint64_t phb_id); int64_t opal_return_cpu(void); +int64_t opal_reinit_cpus(uint64_t flags); -int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, uint64_t *val); -int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val); +int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val); +int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val); int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type, uint32_t addr, uint32_t data, uint32_t sz); int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type, - uint32_t addr, uint32_t *data, uint32_t sz); + uint32_t addr, __be32 *data, uint32_t sz); + +int64_t opal_read_elog(uint64_t buffer, uint64_t size, uint64_t log_id); +int64_t opal_get_elog_size(__be64 *log_id, __be64 *size, __be64 *elog_type); +int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset); +int64_t opal_send_ack_elog(uint64_t log_id); +void opal_resend_pending_logs(void); + +int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result); +int64_t opal_manage_flash(uint8_t op); +int64_t opal_update_flash(uint64_t blk_list); +int64_t opal_dump_init(uint8_t dump_type); +int64_t opal_dump_info(__be32 *dump_id, __be32 *dump_size); +int64_t opal_dump_info2(__be32 *dump_id, __be32 *dump_size, __be32 *dump_type); +int64_t opal_dump_read(uint32_t dump_id, uint64_t buffer); +int64_t opal_dump_ack(uint32_t dump_id); +int64_t opal_dump_resend_notification(void); + +int64_t opal_get_msg(uint64_t buffer, uint64_t size); +int64_t opal_check_completion(uint64_t buffer, uint64_t size, uint64_t token); +int64_t opal_sync_host_reboot(void); +int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer, + uint64_t length); +int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer, + uint64_t length); +int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data); /* Internal functions */ -extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); +extern int early_init_dt_scan_opal(unsigned long node, const char *uname, + int depth, void *data); +extern int early_init_dt_scan_recoverable_ranges(unsigned long node, + const char *uname, int depth, void *data); extern int opal_get_chars(uint32_t vtermno, char *buf, int count); extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len); extern void hvc_opal_init_early(void); -/* Internal functions */ -extern int early_init_dt_scan_opal(unsigned long node, const char *uname, - int depth, void *data); - extern int opal_notifier_register(struct notifier_block *nb); +extern int opal_notifier_unregister(struct notifier_block *nb); + +extern int opal_message_notifier_register(enum OpalMessageType msg_type, + struct notifier_block *nb); extern void opal_notifier_enable(void); extern void opal_notifier_disable(void); extern void opal_notifier_update_evt(uint64_t evt_mask, uint64_t evt_val); -extern int opal_get_chars(uint32_t vtermno, char *buf, int count); -extern int opal_put_chars(uint32_t vtermno, const char *buf, int total_len); - -extern void hvc_opal_init_early(void); +extern int __opal_async_get_token(void); +extern int opal_async_get_token_interruptible(void); +extern int __opal_async_release_token(int token); +extern int opal_async_release_token(int token); +extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg); +extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data); struct rtc_time; extern int opal_set_rtc_time(struct rtc_time *tm); extern void opal_get_rtc_time(struct rtc_time *tm); extern unsigned long opal_get_boot_time(void); extern void opal_nvram_init(void); +extern void opal_flash_init(void); +extern void opal_flash_term_callback(void); +extern int opal_elog_init(void); +extern void opal_platform_dump_init(void); +extern void opal_sys_param_init(void); +extern void opal_msglog_init(void); extern int opal_machine_check(struct pt_regs *regs); +extern bool opal_mce_check_early_recovery(struct pt_regs *regs); extern void opal_shutdown(void); +extern int opal_resync_timebase(void); extern void opal_lpc_init(void); +struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr, + unsigned long vmalloc_size); +void opal_free_sg_list(struct opal_sg_list *sg); + #endif /* __ASSEMBLY__ */ #endif /* __OPAL_H */ diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index a5954cebbc5..bb0bd25f20d 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -16,7 +16,6 @@ #ifdef CONFIG_PPC64 -#include <linux/init.h> #include <asm/types.h> #include <asm/lppaca.h> #include <asm/mmu.h> @@ -93,7 +92,10 @@ struct paca_struct { struct slb_shadow *slb_shadow_ptr; struct dtl_entry *dispatch_log; struct dtl_entry *dispatch_log_end; +#endif /* CONFIG_PPC_STD_MMU_64 */ + u64 dscr_default; /* per-CPU default DSCR */ +#ifdef CONFIG_PPC_STD_MMU_64 /* * Now, starting in cacheline 2, the exception save areas */ @@ -113,8 +115,15 @@ struct paca_struct { /* Keep pgd in the same cacheline as the start of extlb */ pgd_t *pgd __attribute__((aligned(0x80))); /* Current PGD */ pgd_t *kernel_pgd; /* Kernel PGD */ - /* We can have up to 3 levels of reentrancy in the TLB miss handler */ - u64 extlb[3][EX_TLB_SIZE / sizeof(u64)]; + + /* Shared by all threads of a core -- points to tcd of first thread */ + struct tlb_core_data *tcd_ptr; + + /* + * We can have up to 3 levels of reentrancy in the TLB miss handler, + * in each of four exception levels (normal, crit, mcheck, debug). + */ + u64 extlb[12][EX_TLB_SIZE / sizeof(u64)]; u64 exmc[8]; /* used for machine checks */ u64 excrit[8]; /* used for crit interrupts */ u64 exdbg[8]; /* used for debug interrupts */ @@ -123,6 +132,8 @@ struct paca_struct { void *mc_kstack; void *crit_kstack; void *dbg_kstack; + + struct tlb_core_data tcd; #endif /* CONFIG_PPC_BOOK3E */ mm_context_t context; @@ -141,7 +152,7 @@ struct paca_struct { u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ u8 nap_state_lost; /* NV GPR values lost in power7_idle */ - u64 sprg3; /* Saved user-visible sprg */ + u64 sprg_vdso; /* Saved user-visible sprg */ #ifdef CONFIG_PPC_TRANSACTIONAL_MEM u64 tm_scratch; /* TM scratch area for reclaim */ #endif @@ -152,6 +163,15 @@ struct paca_struct { */ struct opal_machine_check_event *opal_mc_evt; #endif +#ifdef CONFIG_PPC_BOOK3S_64 + /* Exclusive emergency stack pointer for machine check exception. */ + void *mc_emergency_sp; + /* + * Flag to check whether we are in machine check early handler + * and already using emergency stack. + */ + u16 in_mce; +#endif /* Stuff for accurate time accounting */ u64 user_time; /* accumulated usermode TB ticks */ @@ -166,7 +186,7 @@ struct paca_struct { struct dtl_entry *dtl_curr; /* pointer corresponding to dtl_ridx */ #ifdef CONFIG_KVM_BOOK3S_HANDLER -#ifdef CONFIG_KVM_BOOK3S_PR +#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE /* We use this to store guest state in */ struct kvmppc_book3s_shadow_vcpu shadow_vcpu; #endif diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index b9f426212d3..32e4e212b9c 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -78,7 +78,7 @@ extern unsigned int HPAGE_SHIFT; * * Also, KERNELBASE >= PAGE_OFFSET and PHYSICAL_START >= MEMORY_START * - * There are two was to determine a physical address from a virtual one: + * There are two ways to determine a physical address from a virtual one: * va = pa + PAGE_OFFSET - MEMORY_START * va = pa + KERNELBASE - PHYSICAL_START * @@ -403,7 +403,7 @@ void arch_free_page(struct page *page, int order); struct vm_area_struct; -#ifdef CONFIG_PPC_64K_PAGES +#if defined(CONFIG_PPC_64K_PAGES) && defined(CONFIG_PPC64) typedef pte_t *pgtable_t; #else typedef struct page *pgtable_t; diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 95145a15c70..1b0739bc14b 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -46,11 +46,6 @@ struct pci_dev; #define pcibios_assign_all_busses() \ (pci_has_flag(PCI_REASSIGN_ALL_BUS)) -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - #define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index 3fd2f1b6f90..b3e936027b2 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -14,6 +14,7 @@ #include <linux/device.h> #include <uapi/asm/perf_event.h> +/* Update perf_event_print_debug() if this changes */ #define MAX_HWEVENTS 8 #define MAX_EVENT_ALTERNATIVES 8 #define MAX_LIMITED_HWCOUNTERS 2 @@ -60,8 +61,7 @@ struct power_pmu { #define PPMU_SIAR_VALID 0x00000010 /* Processor has SIAR Valid bit */ #define PPMU_HAS_SSLOT 0x00000020 /* Has sampled slot in MMCRA */ #define PPMU_HAS_SIER 0x00000040 /* Has SIER */ -#define PPMU_BHRB 0x00000080 /* has BHRB feature enabled */ -#define PPMU_EBB 0x00000100 /* supports event based branch */ +#define PPMU_ARCH_207S 0x00000080 /* PMC is architecture v2.07S */ /* * Values for flags to get_alternatives() diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h index 27b2386f738..842846c1b71 100644 --- a/arch/powerpc/include/asm/pgalloc-32.h +++ b/arch/powerpc/include/asm/pgalloc-32.h @@ -84,10 +84,8 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #endif /* _ASM_POWERPC_PGALLOC_32_H */ diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h index f65e27b09bd..4b0be20fcbf 100644 --- a/arch/powerpc/include/asm/pgalloc-64.h +++ b/arch/powerpc/include/asm/pgalloc-64.h @@ -16,6 +16,7 @@ struct vmemmap_backing { unsigned long phys; unsigned long virt_addr; }; +extern struct vmemmap_backing *vmemmap_list; /* * Functions that deal with pagetables that could be at any level of @@ -91,7 +92,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, if (!pte) return NULL; page = virt_to_page(pte); - pgtable_page_ctor(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } return page; } @@ -144,11 +148,9 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { - struct page *page = page_address(table); - tlb_flush_pgtable(tlb, address); - pgtable_page_dtor(page); - pgtable_free_tlb(tlb, page, 0); + pgtable_page_dtor(table); + pgtable_free_tlb(tlb, page_address(table), 0); } #else /* if CONFIG_PPC_64K_PAGES */ diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index 46db09414a1..eb9261024f5 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -195,6 +195,7 @@ extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr, static inline unsigned long pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long clr, + unsigned long set, int huge) { #ifdef PTE_ATOMIC_UPDATES @@ -205,14 +206,15 @@ static inline unsigned long pte_update(struct mm_struct *mm, andi. %1,%0,%6\n\ bne- 1b \n\ andc %1,%0,%4 \n\ + or %1,%1,%7\n\ stdcx. %1,0,%3 \n\ bne- 1b" : "=&r" (old), "=&r" (tmp), "=m" (*ptep) - : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY) + : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY), "r" (set) : "cc" ); #else unsigned long old = pte_val(*ptep); - *ptep = __pte(old & ~clr); + *ptep = __pte((old & ~clr) | set); #endif /* huge pages use the old page table lock */ if (!huge) @@ -231,9 +233,9 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm, { unsigned long old; - if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) + if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) return 0; - old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0); + old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0); return (old & _PAGE_ACCESSED) != 0; } #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG @@ -252,7 +254,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, if ((pte_val(*ptep) & _PAGE_RW) == 0) return; - pte_update(mm, addr, ptep, _PAGE_RW, 0); + pte_update(mm, addr, ptep, _PAGE_RW, 0, 0); } static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, @@ -261,7 +263,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, if ((pte_val(*ptep) & _PAGE_RW) == 0) return; - pte_update(mm, addr, ptep, _PAGE_RW, 1); + pte_update(mm, addr, ptep, _PAGE_RW, 0, 1); } /* @@ -284,14 +286,14 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - unsigned long old = pte_update(mm, addr, ptep, ~0UL, 0); + unsigned long old = pte_update(mm, addr, ptep, ~0UL, 0, 0); return __pte(old); } static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t * ptep) { - pte_update(mm, addr, ptep, ~0UL, 0); + pte_update(mm, addr, ptep, ~0UL, 0, 0); } @@ -394,6 +396,8 @@ static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array, hpte_slot_array[index] = hidx << 4 | 0x1 << 3; } +struct page *realmode_pfn_to_page(unsigned long pfn); + static inline char *get_hpte_slot_array(pmd_t *pmdp) { /* @@ -504,7 +508,9 @@ extern int pmdp_set_access_flags(struct vm_area_struct *vma, extern unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, - pmd_t *pmdp, unsigned long clr); + pmd_t *pmdp, + unsigned long clr, + unsigned long set); static inline int __pmdp_test_and_clear_young(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) @@ -513,7 +519,7 @@ static inline int __pmdp_test_and_clear_young(struct mm_struct *mm, if ((pmd_val(*pmdp) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) return 0; - old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED); + old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED, 0); return ((old & _PAGE_ACCESSED) != 0); } @@ -540,7 +546,7 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr, if ((pmd_val(*pmdp) & _PAGE_RW) == 0) return; - pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW); + pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW, 0); } #define __HAVE_ARCH_PMDP_SPLITTING_FLUSH @@ -556,5 +562,19 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); #define __HAVE_ARCH_PMDP_INVALIDATE extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); + +#define pmd_move_must_withdraw pmd_move_must_withdraw +struct spinlock; +static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, + struct spinlock *old_pmd_ptl) +{ + /* + * Archs like ppc64 use pgtable to store per pmd + * specific information. So when we switch the pmd, + * we should also withdraw and deposit the pgtable + */ + return true; +} + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 7d6eacf249c..d98c1ecc326 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -3,6 +3,7 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ +#include <linux/mmdebug.h> #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/mmu.h> #include <asm/page.h> @@ -33,10 +34,101 @@ static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; } -static inline int pte_present(pte_t pte) { return pte_val(pte) & _PAGE_PRESENT; } static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; } static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); } +#ifdef CONFIG_NUMA_BALANCING + +static inline int pte_present(pte_t pte) +{ + return pte_val(pte) & (_PAGE_PRESENT | _PAGE_NUMA); +} + +#define pte_present_nonuma pte_present_nonuma +static inline int pte_present_nonuma(pte_t pte) +{ + return pte_val(pte) & (_PAGE_PRESENT); +} + +#define pte_numa pte_numa +static inline int pte_numa(pte_t pte) +{ + return (pte_val(pte) & + (_PAGE_NUMA|_PAGE_PRESENT)) == _PAGE_NUMA; +} + +#define pte_mknonnuma pte_mknonnuma +static inline pte_t pte_mknonnuma(pte_t pte) +{ + pte_val(pte) &= ~_PAGE_NUMA; + pte_val(pte) |= _PAGE_PRESENT | _PAGE_ACCESSED; + return pte; +} + +#define pte_mknuma pte_mknuma +static inline pte_t pte_mknuma(pte_t pte) +{ + /* + * We should not set _PAGE_NUMA on non present ptes. Also clear the + * present bit so that hash_page will return 1 and we collect this + * as numa fault. + */ + if (pte_present(pte)) { + pte_val(pte) |= _PAGE_NUMA; + pte_val(pte) &= ~_PAGE_PRESENT; + } else + VM_BUG_ON(1); + return pte; +} + +#define ptep_set_numa ptep_set_numa +static inline void ptep_set_numa(struct mm_struct *mm, unsigned long addr, + pte_t *ptep) +{ + if ((pte_val(*ptep) & _PAGE_PRESENT) == 0) + VM_BUG_ON(1); + + pte_update(mm, addr, ptep, _PAGE_PRESENT, _PAGE_NUMA, 0); + return; +} + +#define pmd_numa pmd_numa +static inline int pmd_numa(pmd_t pmd) +{ + return pte_numa(pmd_pte(pmd)); +} + +#define pmdp_set_numa pmdp_set_numa +static inline void pmdp_set_numa(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp) +{ + if ((pmd_val(*pmdp) & _PAGE_PRESENT) == 0) + VM_BUG_ON(1); + + pmd_hugepage_update(mm, addr, pmdp, _PAGE_PRESENT, _PAGE_NUMA); + return; +} + +#define pmd_mknonnuma pmd_mknonnuma +static inline pmd_t pmd_mknonnuma(pmd_t pmd) +{ + return pte_pmd(pte_mknonnuma(pmd_pte(pmd))); +} + +#define pmd_mknuma pmd_mknuma +static inline pmd_t pmd_mknuma(pmd_t pmd) +{ + return pte_pmd(pte_mknuma(pmd_pte(pmd))); +} + +# else + +static inline int pte_present(pte_t pte) +{ + return pte_val(pte) & _PAGE_PRESENT; +} +#endif /* CONFIG_NUMA_BALANCING */ + /* Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. * @@ -223,6 +315,27 @@ extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, #endif pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea, unsigned *shift); + +static inline pte_t *lookup_linux_ptep(pgd_t *pgdir, unsigned long hva, + unsigned long *pte_sizep) +{ + pte_t *ptep; + unsigned long ps = *pte_sizep; + unsigned int shift; + + ptep = find_linux_pte_or_hugepte(pgdir, hva, &shift); + if (!ptep) + return NULL; + if (shift) + *pte_sizep = 1ul << shift; + else + *pte_sizep = PAGE_SIZE; + + if (ps > *pte_sizep) + return NULL; + + return ptep; +} #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h index a63b045e707..12c32c5f533 100644 --- a/arch/powerpc/include/asm/plpar_wrappers.h +++ b/arch/powerpc/include/asm/plpar_wrappers.h @@ -287,6 +287,32 @@ static inline long disable_reloc_on_exceptions(void) { return plpar_set_mode(0, 3, 0, 0); } +/* + * Take exceptions in big endian mode on this partition + * + * Note: this call has a partition wide scope and can take a while to complete. + * If it returns H_LONG_BUSY_* it should be retried periodically until it + * returns H_SUCCESS. + */ +static inline long enable_big_endian_exceptions(void) +{ + /* mflags = 0: big endian exceptions */ + return plpar_set_mode(0, 4, 0, 0); +} + +/* + * Take exceptions in little endian mode on this partition + * + * Note: this call has a partition wide scope and can take a while to complete. + * If it returns H_LONG_BUSY_* it should be retried periodically until it + * returns H_SUCCESS. + */ +static inline long enable_little_endian_exceptions(void) +{ + /* mflags = 1: little endian exceptions */ + return plpar_set_mode(1, 4, 0, 0); +} + static inline long plapr_set_ciabr(unsigned long ciabr) { return plpar_set_mode(0, 1, ciabr, 0); diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index d7fe9f5b46d..3132bb9365f 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -143,6 +143,8 @@ #define PPC_INST_LSWX 0x7c00042a #define PPC_INST_LWARX 0x7c000028 #define PPC_INST_LWSYNC 0x7c2004ac +#define PPC_INST_SYNC 0x7c0004ac +#define PPC_INST_SYNC_MASK 0xfc0007fe #define PPC_INST_LXVD2X 0x7c000698 #define PPC_INST_MCRXR 0x7c000400 #define PPC_INST_MCRXR_MASK 0xfc0007fe @@ -181,6 +183,7 @@ #define PPC_INST_TLBIVAX 0x7c000624 #define PPC_INST_TLBSRX_DOT 0x7c0006a5 #define PPC_INST_XXLOR 0xf0000510 +#define PPC_INST_XXSWAPD 0xf0000250 #define PPC_INST_XVCPSGNDP 0xf0000780 #define PPC_INST_TRECHKPT 0x7c0007dd #define PPC_INST_TRECLAIM 0x7c00075d @@ -200,6 +203,7 @@ /* Misc instructions for BPF compiler */ #define PPC_INST_LD 0xe8000000 #define PPC_INST_LHZ 0xa0000000 +#define PPC_INST_LHBRX 0x7c00062c #define PPC_INST_LWZ 0x80000000 #define PPC_INST_STD 0xf8000000 #define PPC_INST_STDU 0xf8000001 @@ -218,7 +222,7 @@ #define PPC_INST_MULLW 0x7c0001d6 #define PPC_INST_MULHWU 0x7c000016 #define PPC_INST_MULLI 0x1c000000 -#define PPC_INST_DIVWU 0x7c0003d6 +#define PPC_INST_DIVWU 0x7c000396 #define PPC_INST_RLWINM 0x54000000 #define PPC_INST_RLDICR 0x78000004 #define PPC_INST_SLW 0x7c000030 @@ -344,6 +348,8 @@ VSX_XX1((s), a, b)) #define XXLOR(t, a, b) stringify_in_c(.long PPC_INST_XXLOR | \ VSX_XX3((t), a, b)) +#define XXSWAPD(t, a) stringify_in_c(.long PPC_INST_XXSWAPD | \ + VSX_XX3((t), a, a)) #define XVCPSGNDP(t, a, b) stringify_in_c(.long (PPC_INST_XVCPSGNDP | \ VSX_XX3((t), (a), (b)))) diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index ed57fa7920c..db1e2b8eff3 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -58,6 +58,7 @@ int rtas_write_config(struct pci_dn *, int where, int size, u32 val); int rtas_read_config(struct pci_dn *, int where, int size, u32 *val); void eeh_pe_state_mark(struct eeh_pe *pe, int state); void eeh_pe_state_clear(struct eeh_pe *pe, int state); +void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode); void eeh_sysfs_add_device(struct pci_dev *pdev); void eeh_sysfs_remove_device(struct pci_dev *pdev); diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 599545738af..7e461252854 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -4,7 +4,6 @@ #ifndef _ASM_POWERPC_PPC_ASM_H #define _ASM_POWERPC_PPC_ASM_H -#include <linux/init.h> #include <linux/stringify.h> #include <asm/asm-compat.h> #include <asm/processor.h> @@ -58,7 +57,7 @@ BEGIN_FW_FTR_SECTION; \ LDX_BE r10,0,r10; /* get log write index */ \ cmpd cr1,r11,r10; \ beq+ cr1,33f; \ - bl .accumulate_stolen_time; \ + bl accumulate_stolen_time; \ ld r12,_MSR(r1); \ andi. r10,r12,MSR_PR; /* Restore cr0 (coming from user) */ \ 33: \ @@ -98,123 +97,51 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #define REST_8GPRS(n, base) REST_4GPRS(n, base); REST_4GPRS(n+4, base) #define REST_10GPRS(n, base) REST_8GPRS(n, base); REST_2GPRS(n+8, base) -#define SAVE_FPR(n, base) stfd n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base) +#define SAVE_FPR(n, base) stfd n,8*TS_FPRWIDTH*(n)(base) #define SAVE_2FPRS(n, base) SAVE_FPR(n, base); SAVE_FPR(n+1, base) #define SAVE_4FPRS(n, base) SAVE_2FPRS(n, base); SAVE_2FPRS(n+2, base) #define SAVE_8FPRS(n, base) SAVE_4FPRS(n, base); SAVE_4FPRS(n+4, base) #define SAVE_16FPRS(n, base) SAVE_8FPRS(n, base); SAVE_8FPRS(n+8, base) #define SAVE_32FPRS(n, base) SAVE_16FPRS(n, base); SAVE_16FPRS(n+16, base) -#define REST_FPR(n, base) lfd n,THREAD_FPR0+8*TS_FPRWIDTH*(n)(base) +#define REST_FPR(n, base) lfd n,8*TS_FPRWIDTH*(n)(base) #define REST_2FPRS(n, base) REST_FPR(n, base); REST_FPR(n+1, base) #define REST_4FPRS(n, base) REST_2FPRS(n, base); REST_2FPRS(n+2, base) #define REST_8FPRS(n, base) REST_4FPRS(n, base); REST_4FPRS(n+4, base) #define REST_16FPRS(n, base) REST_8FPRS(n, base); REST_8FPRS(n+8, base) #define REST_32FPRS(n, base) REST_16FPRS(n, base); REST_16FPRS(n+16, base) -#define SAVE_VR(n,b,base) li b,THREAD_VR0+(16*(n)); stvx n,base,b +#define SAVE_VR(n,b,base) li b,16*(n); stvx n,base,b #define SAVE_2VRS(n,b,base) SAVE_VR(n,b,base); SAVE_VR(n+1,b,base) #define SAVE_4VRS(n,b,base) SAVE_2VRS(n,b,base); SAVE_2VRS(n+2,b,base) #define SAVE_8VRS(n,b,base) SAVE_4VRS(n,b,base); SAVE_4VRS(n+4,b,base) #define SAVE_16VRS(n,b,base) SAVE_8VRS(n,b,base); SAVE_8VRS(n+8,b,base) #define SAVE_32VRS(n,b,base) SAVE_16VRS(n,b,base); SAVE_16VRS(n+16,b,base) -#define REST_VR(n,b,base) li b,THREAD_VR0+(16*(n)); lvx n,base,b +#define REST_VR(n,b,base) li b,16*(n); lvx n,base,b #define REST_2VRS(n,b,base) REST_VR(n,b,base); REST_VR(n+1,b,base) #define REST_4VRS(n,b,base) REST_2VRS(n,b,base); REST_2VRS(n+2,b,base) #define REST_8VRS(n,b,base) REST_4VRS(n,b,base); REST_4VRS(n+4,b,base) #define REST_16VRS(n,b,base) REST_8VRS(n,b,base); REST_8VRS(n+8,b,base) #define REST_32VRS(n,b,base) REST_16VRS(n,b,base); REST_16VRS(n+16,b,base) -/* Save/restore FPRs, VRs and VSRs from their checkpointed backups in - * thread_struct: - */ -#define SAVE_FPR_TRANSACT(n, base) stfd n,THREAD_TRANSACT_FPR0+ \ - 8*TS_FPRWIDTH*(n)(base) -#define SAVE_2FPRS_TRANSACT(n, base) SAVE_FPR_TRANSACT(n, base); \ - SAVE_FPR_TRANSACT(n+1, base) -#define SAVE_4FPRS_TRANSACT(n, base) SAVE_2FPRS_TRANSACT(n, base); \ - SAVE_2FPRS_TRANSACT(n+2, base) -#define SAVE_8FPRS_TRANSACT(n, base) SAVE_4FPRS_TRANSACT(n, base); \ - SAVE_4FPRS_TRANSACT(n+4, base) -#define SAVE_16FPRS_TRANSACT(n, base) SAVE_8FPRS_TRANSACT(n, base); \ - SAVE_8FPRS_TRANSACT(n+8, base) -#define SAVE_32FPRS_TRANSACT(n, base) SAVE_16FPRS_TRANSACT(n, base); \ - SAVE_16FPRS_TRANSACT(n+16, base) - -#define REST_FPR_TRANSACT(n, base) lfd n,THREAD_TRANSACT_FPR0+ \ - 8*TS_FPRWIDTH*(n)(base) -#define REST_2FPRS_TRANSACT(n, base) REST_FPR_TRANSACT(n, base); \ - REST_FPR_TRANSACT(n+1, base) -#define REST_4FPRS_TRANSACT(n, base) REST_2FPRS_TRANSACT(n, base); \ - REST_2FPRS_TRANSACT(n+2, base) -#define REST_8FPRS_TRANSACT(n, base) REST_4FPRS_TRANSACT(n, base); \ - REST_4FPRS_TRANSACT(n+4, base) -#define REST_16FPRS_TRANSACT(n, base) REST_8FPRS_TRANSACT(n, base); \ - REST_8FPRS_TRANSACT(n+8, base) -#define REST_32FPRS_TRANSACT(n, base) REST_16FPRS_TRANSACT(n, base); \ - REST_16FPRS_TRANSACT(n+16, base) - - -#define SAVE_VR_TRANSACT(n,b,base) li b,THREAD_TRANSACT_VR0+(16*(n)); \ - stvx n,b,base -#define SAVE_2VRS_TRANSACT(n,b,base) SAVE_VR_TRANSACT(n,b,base); \ - SAVE_VR_TRANSACT(n+1,b,base) -#define SAVE_4VRS_TRANSACT(n,b,base) SAVE_2VRS_TRANSACT(n,b,base); \ - SAVE_2VRS_TRANSACT(n+2,b,base) -#define SAVE_8VRS_TRANSACT(n,b,base) SAVE_4VRS_TRANSACT(n,b,base); \ - SAVE_4VRS_TRANSACT(n+4,b,base) -#define SAVE_16VRS_TRANSACT(n,b,base) SAVE_8VRS_TRANSACT(n,b,base); \ - SAVE_8VRS_TRANSACT(n+8,b,base) -#define SAVE_32VRS_TRANSACT(n,b,base) SAVE_16VRS_TRANSACT(n,b,base); \ - SAVE_16VRS_TRANSACT(n+16,b,base) - -#define REST_VR_TRANSACT(n,b,base) li b,THREAD_TRANSACT_VR0+(16*(n)); \ - lvx n,b,base -#define REST_2VRS_TRANSACT(n,b,base) REST_VR_TRANSACT(n,b,base); \ - REST_VR_TRANSACT(n+1,b,base) -#define REST_4VRS_TRANSACT(n,b,base) REST_2VRS_TRANSACT(n,b,base); \ - REST_2VRS_TRANSACT(n+2,b,base) -#define REST_8VRS_TRANSACT(n,b,base) REST_4VRS_TRANSACT(n,b,base); \ - REST_4VRS_TRANSACT(n+4,b,base) -#define REST_16VRS_TRANSACT(n,b,base) REST_8VRS_TRANSACT(n,b,base); \ - REST_8VRS_TRANSACT(n+8,b,base) -#define REST_32VRS_TRANSACT(n,b,base) REST_16VRS_TRANSACT(n,b,base); \ - REST_16VRS_TRANSACT(n+16,b,base) - - -#define SAVE_VSR_TRANSACT(n,b,base) li b,THREAD_TRANSACT_VSR0+(16*(n)); \ - STXVD2X(n,R##base,R##b) -#define SAVE_2VSRS_TRANSACT(n,b,base) SAVE_VSR_TRANSACT(n,b,base); \ - SAVE_VSR_TRANSACT(n+1,b,base) -#define SAVE_4VSRS_TRANSACT(n,b,base) SAVE_2VSRS_TRANSACT(n,b,base); \ - SAVE_2VSRS_TRANSACT(n+2,b,base) -#define SAVE_8VSRS_TRANSACT(n,b,base) SAVE_4VSRS_TRANSACT(n,b,base); \ - SAVE_4VSRS_TRANSACT(n+4,b,base) -#define SAVE_16VSRS_TRANSACT(n,b,base) SAVE_8VSRS_TRANSACT(n,b,base); \ - SAVE_8VSRS_TRANSACT(n+8,b,base) -#define SAVE_32VSRS_TRANSACT(n,b,base) SAVE_16VSRS_TRANSACT(n,b,base); \ - SAVE_16VSRS_TRANSACT(n+16,b,base) - -#define REST_VSR_TRANSACT(n,b,base) li b,THREAD_TRANSACT_VSR0+(16*(n)); \ - LXVD2X(n,R##base,R##b) -#define REST_2VSRS_TRANSACT(n,b,base) REST_VSR_TRANSACT(n,b,base); \ - REST_VSR_TRANSACT(n+1,b,base) -#define REST_4VSRS_TRANSACT(n,b,base) REST_2VSRS_TRANSACT(n,b,base); \ - REST_2VSRS_TRANSACT(n+2,b,base) -#define REST_8VSRS_TRANSACT(n,b,base) REST_4VSRS_TRANSACT(n,b,base); \ - REST_4VSRS_TRANSACT(n+4,b,base) -#define REST_16VSRS_TRANSACT(n,b,base) REST_8VSRS_TRANSACT(n,b,base); \ - REST_8VSRS_TRANSACT(n+8,b,base) -#define REST_32VSRS_TRANSACT(n,b,base) REST_16VSRS_TRANSACT(n,b,base); \ - REST_16VSRS_TRANSACT(n+16,b,base) +#ifdef __BIG_ENDIAN__ +#define STXVD2X_ROT(n,b,base) STXVD2X(n,b,base) +#define LXVD2X_ROT(n,b,base) LXVD2X(n,b,base) +#else +#define STXVD2X_ROT(n,b,base) XXSWAPD(n,n); \ + STXVD2X(n,b,base); \ + XXSWAPD(n,n) +#define LXVD2X_ROT(n,b,base) LXVD2X(n,b,base); \ + XXSWAPD(n,n) +#endif /* Save the lower 32 VSRs in the thread VSR region */ -#define SAVE_VSR(n,b,base) li b,THREAD_VSR0+(16*(n)); STXVD2X(n,R##base,R##b) +#define SAVE_VSR(n,b,base) li b,16*(n); STXVD2X_ROT(n,R##base,R##b) #define SAVE_2VSRS(n,b,base) SAVE_VSR(n,b,base); SAVE_VSR(n+1,b,base) #define SAVE_4VSRS(n,b,base) SAVE_2VSRS(n,b,base); SAVE_2VSRS(n+2,b,base) #define SAVE_8VSRS(n,b,base) SAVE_4VSRS(n,b,base); SAVE_4VSRS(n+4,b,base) #define SAVE_16VSRS(n,b,base) SAVE_8VSRS(n,b,base); SAVE_8VSRS(n+8,b,base) #define SAVE_32VSRS(n,b,base) SAVE_16VSRS(n,b,base); SAVE_16VSRS(n+16,b,base) -#define REST_VSR(n,b,base) li b,THREAD_VSR0+(16*(n)); LXVD2X(n,R##base,R##b) +#define REST_VSR(n,b,base) li b,16*(n); LXVD2X_ROT(n,R##base,R##b) #define REST_2VSRS(n,b,base) REST_VSR(n,b,base); REST_VSR(n+1,b,base) #define REST_4VSRS(n,b,base) REST_2VSRS(n,b,base); REST_2VSRS(n+2,b,base) #define REST_8VSRS(n,b,base) REST_4VSRS(n,b,base); REST_4VSRS(n+4,b,base) @@ -262,57 +189,53 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #define __STK_REG(i) (112 + ((i)-14)*8) #define STK_REG(i) __STK_REG(__REG_##i) +#if defined(_CALL_ELF) && _CALL_ELF == 2 +#define STK_GOT 24 +#define __STK_PARAM(i) (32 + ((i)-3)*8) +#else +#define STK_GOT 40 #define __STK_PARAM(i) (48 + ((i)-3)*8) +#endif #define STK_PARAM(i) __STK_PARAM(__REG_##i) -#define XGLUE(a,b) a##b -#define GLUE(a,b) XGLUE(a,b) +#if defined(_CALL_ELF) && _CALL_ELF == 2 #define _GLOBAL(name) \ .section ".text"; \ .align 2 ; \ + .type name,@function; \ .globl name; \ - .globl GLUE(.,name); \ - .section ".opd","aw"; \ -name: \ - .quad GLUE(.,name); \ - .quad .TOC.@tocbase; \ - .quad 0; \ - .previous; \ - .type GLUE(.,name),@function; \ -GLUE(.,name): +name: -#define _INIT_GLOBAL(name) \ - __REF; \ +#define _GLOBAL_TOC(name) \ + .section ".text"; \ .align 2 ; \ + .type name,@function; \ .globl name; \ - .globl GLUE(.,name); \ - .section ".opd","aw"; \ name: \ - .quad GLUE(.,name); \ - .quad .TOC.@tocbase; \ - .quad 0; \ - .previous; \ - .type GLUE(.,name),@function; \ -GLUE(.,name): +0: addis r2,r12,(.TOC.-0b)@ha; \ + addi r2,r2,(.TOC.-0b)@l; \ + .localentry name,.-name #define _KPROBE(name) \ .section ".kprobes.text","a"; \ .align 2 ; \ + .type name,@function; \ .globl name; \ - .globl GLUE(.,name); \ - .section ".opd","aw"; \ -name: \ - .quad GLUE(.,name); \ - .quad .TOC.@tocbase; \ - .quad 0; \ - .previous; \ - .type GLUE(.,name),@function; \ -GLUE(.,name): +name: + +#define DOTSYM(a) a -#define _STATIC(name) \ +#else + +#define XGLUE(a,b) a##b +#define GLUE(a,b) XGLUE(a,b) + +#define _GLOBAL(name) \ .section ".text"; \ .align 2 ; \ + .globl name; \ + .globl GLUE(.,name); \ .section ".opd","aw"; \ name: \ .quad GLUE(.,name); \ @@ -322,9 +245,13 @@ name: \ .type GLUE(.,name),@function; \ GLUE(.,name): -#define _INIT_STATIC(name) \ - __REF; \ +#define _GLOBAL_TOC(name) _GLOBAL(name) + +#define _KPROBE(name) \ + .section ".kprobes.text","a"; \ .align 2 ; \ + .globl name; \ + .globl GLUE(.,name); \ .section ".opd","aw"; \ name: \ .quad GLUE(.,name); \ @@ -334,6 +261,10 @@ name: \ .type GLUE(.,name),@function; \ GLUE(.,name): +#define DOTSYM(a) GLUE(.,a) + +#endif + #else /* 32-bit */ #define _ENTRY(n) \ @@ -346,6 +277,8 @@ n: .globl n; \ n: +#define _GLOBAL_TOC(name) _GLOBAL(name) + #define _KPROBE(n) \ .section ".kprobes.text","a"; \ .globl n; \ @@ -367,6 +300,11 @@ n: * you want to access various offsets within it). On ppc32 this is * identical to LOAD_REG_IMMEDIATE. * + * LOAD_REG_ADDR_PIC(rn, name) + * Loads the address of label 'name' into register 'run'. Use this when + * the kernel doesn't run at the linked or relocated address. Please + * note that this macro will clobber the lr register. + * * LOAD_REG_ADDRBASE(rn, name) * ADDROFF(name) * LOAD_REG_ADDRBASE loads part of the address of label 'name' into @@ -377,12 +315,25 @@ n: * LOAD_REG_ADDRBASE(rX, name) * ld rY,ADDROFF(name)(rX) */ + +/* Be careful, this will clobber the lr register. */ +#define LOAD_REG_ADDR_PIC(reg, name) \ + bl 0f; \ +0: mflr reg; \ + addis reg,reg,(name - 0b)@ha; \ + addi reg,reg,(name - 0b)@l; + #ifdef __powerpc64__ +#ifdef HAVE_AS_ATHIGH +#define __AS_ATHIGH high +#else +#define __AS_ATHIGH h +#endif #define LOAD_REG_IMMEDIATE(reg,expr) \ lis reg,(expr)@highest; \ ori reg,reg,(expr)@higher; \ rldicr reg,reg,32,31; \ - oris reg,reg,(expr)@h; \ + oris reg,reg,(expr)@__AS_ATHIGH; \ ori reg,reg,(expr)@l; #define LOAD_REG_ADDR(reg,name) \ @@ -438,6 +389,8 @@ BEGIN_FTR_SECTION_NESTED(96); \ cmpwi dest,0; \ beq- 90b; \ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) +#elif defined(CONFIG_8xx) +#define MFTB(dest) mftb dest #else #define MFTB(dest) mfspr dest, SPRN_TBRL #endif @@ -478,13 +431,6 @@ BEGIN_FTR_SECTION_NESTED(945) \ std ra,TASKTHREADPPR(rb); \ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,945) -#define RESTORE_PPR(ra, rb) \ -BEGIN_FTR_SECTION_NESTED(946) \ - ld ra,PACACURRENT(r13); \ - ld rb,TASKTHREADPPR(ra); \ - mtspr SPRN_PPR,rb; /* Restore PPR */ \ -END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,946) - #endif /* @@ -832,6 +778,35 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,946) #define N_SLINE 68 #define N_SO 100 -#endif /* __ASSEMBLY__ */ +/* + * Create an endian fixup trampoline + * + * This starts with a "tdi 0,0,0x48" instruction which is + * essentially a "trap never", and thus akin to a nop. + * + * The opcode for this instruction read with the wrong endian + * however results in a b . + 8 + * + * So essentially we use that trick to execute the following + * trampoline in "reverse endian" if we are running with the + * MSR_LE bit set the "wrong" way for whatever endianness the + * kernel is built for. + */ +#ifdef CONFIG_PPC_BOOK3E +#define FIXUP_ENDIAN +#else +#define FIXUP_ENDIAN \ + tdi 0,0,0x48; /* Reverse endian of b . + 8 */ \ + b $+36; /* Skip trampoline if endian is good */ \ + .long 0x05009f42; /* bcl 20,31,$+4 */ \ + .long 0xa602487d; /* mflr r10 */ \ + .long 0x1c004a39; /* addi r10,r10,28 */ \ + .long 0xa600607d; /* mfmsr r11 */ \ + .long 0x01006b69; /* xori r11,r11,1 */ \ + .long 0xa6035a7d; /* mtsrr0 r10 */ \ + .long 0xa6037b7d; /* mtsrr1 r11 */ \ + .long 0x2400004c /* rfid */ +#endif /* !CONFIG_PPC_BOOK3E */ +#endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PPC_ASM_H */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index ce4de5aed7b..6d59072e13a 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -14,8 +14,18 @@ #ifdef CONFIG_VSX #define TS_FPRWIDTH 2 + +#ifdef __BIG_ENDIAN__ +#define TS_FPROFFSET 0 +#define TS_VSRLOWOFFSET 1 +#else +#define TS_FPROFFSET 1 +#define TS_VSRLOWOFFSET 0 +#endif + #else #define TS_FPRWIDTH 1 +#define TS_FPROFFSET 0 #endif #ifdef CONFIG_PPC64 @@ -142,26 +152,22 @@ typedef struct { unsigned long seg; } mm_segment_t; -#define TS_FPROFFSET 0 -#define TS_VSRLOWOFFSET 1 -#define TS_FPR(i) fpr[i][TS_FPROFFSET] -#define TS_TRANS_FPR(i) transact_fpr[i][TS_FPROFFSET] +#define TS_FPR(i) fp_state.fpr[i][TS_FPROFFSET] +#define TS_TRANS_FPR(i) transact_fp.fpr[i][TS_FPROFFSET] -struct thread_struct { - unsigned long ksp; /* Kernel stack pointer */ -#ifdef CONFIG_PPC64 - unsigned long ksp_vsid; -#endif - struct pt_regs *regs; /* Pointer to saved register state */ - mm_segment_t fs; /* for get_fs() validation */ -#ifdef CONFIG_BOOKE - /* BookE base exception scratch space; align on cacheline */ - unsigned long normsave[8] ____cacheline_aligned; -#endif -#ifdef CONFIG_PPC32 - void *pgdir; /* root of page-table tree */ - unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ -#endif +/* FP and VSX 0-31 register set */ +struct thread_fp_state { + u64 fpr[32][TS_FPRWIDTH] __attribute__((aligned(16))); + u64 fpscr; /* Floating point status */ +}; + +/* Complete AltiVec register set including VSCR */ +struct thread_vr_state { + vector128 vr[32] __attribute__((aligned(16))); + vector128 vscr __attribute__((aligned(16))); +}; + +struct debug_reg { #ifdef CONFIG_PPC_ADV_DEBUG_REGS /* * The following help to manage the use of Debug Control Registers @@ -198,13 +204,28 @@ struct thread_struct { unsigned long dvc2; #endif #endif - /* FP and VSX 0-31 register set */ - double fpr[32][TS_FPRWIDTH] __attribute__((aligned(16))); - struct { +}; + +struct thread_struct { + unsigned long ksp; /* Kernel stack pointer */ - unsigned int pad; - unsigned int val; /* Floating point status */ - } fpscr; +#ifdef CONFIG_PPC64 + unsigned long ksp_vsid; +#endif + struct pt_regs *regs; /* Pointer to saved register state */ + mm_segment_t fs; /* for get_fs() validation */ +#ifdef CONFIG_BOOKE + /* BookE base exception scratch space; align on cacheline */ + unsigned long normsave[8] ____cacheline_aligned; +#endif +#ifdef CONFIG_PPC32 + void *pgdir; /* root of page-table tree */ + unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */ +#endif + /* Debug Registers */ + struct debug_reg debug; + struct thread_fp_state fp_state; + struct thread_fp_state *fp_save_area; int fpexc_mode; /* floating-point exception mode */ unsigned int align_ctl; /* alignment handling control */ #ifdef CONFIG_PPC64 @@ -222,10 +243,8 @@ struct thread_struct { struct arch_hw_breakpoint hw_brk; /* info on the hardware breakpoint */ unsigned long trap_nr; /* last trap # on this thread */ #ifdef CONFIG_ALTIVEC - /* Complete AltiVec register set */ - vector128 vr[32] __attribute__((aligned(16))); - /* AltiVec status */ - vector128 vscr __attribute__((aligned(16))); + struct thread_vr_state vr_state; + struct thread_vr_state *vr_save_area; unsigned long vrsave; int used_vr; /* set if process has used altivec */ #endif /* CONFIG_ALTIVEC */ @@ -237,6 +256,8 @@ struct thread_struct { unsigned long evr[32]; /* upper 32-bits of SPE regs */ u64 acc; /* Accumulator */ unsigned long spefscr; /* SPE & eFP status */ + unsigned long spefscr_last; /* SPEFSCR value on last prctl + call or trap return */ int used_spe; /* set if process has used spe */ #endif /* CONFIG_SPE */ #ifdef CONFIG_PPC_TRANSACTIONAL_MEM @@ -262,13 +283,8 @@ struct thread_struct { * transact_fpr[] is the new set of transactional values. * VRs work the same way. */ - double transact_fpr[32][TS_FPRWIDTH]; - struct { - unsigned int pad; - unsigned int val; /* Floating point status */ - } transact_fpscr; - vector128 transact_vr[32] __attribute__((aligned(16))); - vector128 transact_vscr __attribute__((aligned(16))); + struct thread_fp_state transact_fp; + struct thread_vr_state transact_vr; unsigned long transact_vrsave; #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ #ifdef CONFIG_KVM_BOOK3S_32_HANDLER @@ -303,7 +319,9 @@ struct thread_struct { (_ALIGN_UP(sizeof(init_thread_info), 16) + (unsigned long) &init_stack) #ifdef CONFIG_SPE -#define SPEFSCR_INIT .spefscr = SPEFSCR_FINVE | SPEFSCR_FDBZE | SPEFSCR_FUNFE | SPEFSCR_FOVFE, +#define SPEFSCR_INIT \ + .spefscr = SPEFSCR_FINVE | SPEFSCR_FDBZE | SPEFSCR_FUNFE | SPEFSCR_FOVFE, \ + .spefscr_last = SPEFSCR_FINVE | SPEFSCR_FDBZE | SPEFSCR_FUNFE | SPEFSCR_FOVFE, #else #define SPEFSCR_INIT #endif @@ -322,8 +340,6 @@ struct thread_struct { .ksp = INIT_SP, \ .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ .fs = KERNEL_DS, \ - .fpr = {{0}}, \ - .fpscr = { .val = 0, }, \ .fpexc_mode = 0, \ .ppr = INIT_PPR, \ } @@ -361,6 +377,13 @@ extern int set_endian(struct task_struct *tsk, unsigned int val); extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr); extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val); +extern void fp_enable(void); +extern void vec_enable(void); +extern void load_fp_state(struct thread_fp_state *fp); +extern void store_fp_state(struct thread_fp_state *fp); +extern void load_vr_state(struct thread_vr_state *vr); +extern void store_vr_state(struct thread_vr_state *vr); + static inline unsigned int __unpack_fe01(unsigned long msr_bits) { return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8); @@ -426,14 +449,8 @@ extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; extern int powersave_nap; /* set if nap mode can be used in idle loop */ -extern void power7_nap(void); - -#ifdef CONFIG_PSERIES_IDLE -extern void update_smt_snooze_delay(int cpu, int residency); -#else -static inline void update_smt_snooze_delay(int cpu, int residency) {} -#endif - +extern void power7_nap(int check_irq); +extern void power7_sleep(void); extern void flush_instruction_cache(void); extern void hard_reset_now(void); extern void poweroff_now(void); diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index 7d0c7f3a717..74b79f07f04 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -1,4 +1,3 @@ -#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ #ifndef _POWERPC_PROM_H #define _POWERPC_PROM_H #ifdef __KERNEL__ @@ -20,20 +19,55 @@ #include <asm/irq.h> #include <linux/atomic.h> -#define HAVE_ARCH_DEVTREE_FIXUPS +/* These includes should be removed once implicit includes are cleaned up. */ +#include <linux/of.h> +#include <linux/of_fdt.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> + +#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ +#define OF_DT_END_NODE 0x2 /* End node */ +#define OF_DT_PROP 0x3 /* Property: name off, size, + * content */ +#define OF_DT_NOP 0x4 /* nop */ +#define OF_DT_END 0x9 + +#define OF_DT_VERSION 0x10 /* - * OF address retreival & translation + * This is what gets passed to the kernel by prom_init or kexec + * + * The dt struct contains the device tree structure, full pathes and + * property contents. The dt strings contain a separate block with just + * the strings for the property names, and is fully page aligned and + * self contained in a page, so that it can be kept around by the kernel, + * each property name appears only once in this page (cheap compression) + * + * the mem_rsvmap contains a map of reserved ranges of physical memory, + * passing it here instead of in the device-tree itself greatly simplifies + * the job of everybody. It's just a list of u64 pairs (base/size) that + * ends when size is 0 */ +struct boot_param_header { + __be32 magic; /* magic word OF_DT_HEADER */ + __be32 totalsize; /* total size of DT block */ + __be32 off_dt_struct; /* offset to structure */ + __be32 off_dt_strings; /* offset to strings */ + __be32 off_mem_rsvmap; /* offset to memory reserve map */ + __be32 version; /* format version */ + __be32 last_comp_version; /* last compatible version */ + /* version 2 fields below */ + __be32 boot_cpuid_phys; /* Physical CPU id we're booting on */ + /* version 3 fields below */ + __be32 dt_strings_size; /* size of the DT strings block */ + /* version 17 fields below */ + __be32 dt_struct_size; /* size of the DT structure block */ +}; -/* Translate a DMA address from device space to CPU space */ -extern u64 of_translate_dma_address(struct device_node *dev, - const __be32 *in_addr); - -#ifdef CONFIG_PCI -extern unsigned long pci_address_to_pio(phys_addr_t address); -#define pci_address_to_pio pci_address_to_pio -#endif /* CONFIG_PCI */ +/* + * OF address retreival & translation + */ /* Parse the ibm,dma-window property of an OF node into the busno, phys and * size parameters. @@ -44,16 +78,6 @@ void of_parse_dma_window(struct device_node *dn, const __be32 *dma_window, extern void kdump_move_device_tree(void); -/* cache lookup */ -struct device_node *of_find_next_cache_node(struct device_node *np); - -#ifdef CONFIG_NUMA -extern int of_node_to_nid(struct device_node *device); -#else -static inline int of_node_to_nid(struct device_node *device) { return 0; } -#endif -#define of_node_to_nid of_node_to_nid - extern void of_instantiate_rtc(void); extern int of_get_ibm_chip_id(struct device_node *np); @@ -143,14 +167,5 @@ struct of_drconf_cell { */ extern unsigned char ibm_architecture_vec[]; -/* These includes are put at the bottom because they may contain things - * that are overridden by this file. Ideally they shouldn't be included - * by this file, but there are a bunch of .c files that currently depend - * on it. Eventually they will be cleaned up. */ -#include <linux/of_fdt.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/platform_device.h> - #endif /* __KERNEL__ */ #endif /* _POWERPC_PROM_H */ diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h index 678a7c1d9cb..a1bc7e75842 100644 --- a/arch/powerpc/include/asm/ps3.h +++ b/arch/powerpc/include/asm/ps3.h @@ -21,7 +21,6 @@ #if !defined(_ASM_POWERPC_PS3_H) #define _ASM_POWERPC_PS3_H -#include <linux/init.h> #include <linux/types.h> #include <linux/device.h> #include <asm/cell-pmu.h> diff --git a/arch/powerpc/include/asm/pte-book3e.h b/arch/powerpc/include/asm/pte-book3e.h index 0156702ba24..576ad88104c 100644 --- a/arch/powerpc/include/asm/pte-book3e.h +++ b/arch/powerpc/include/asm/pte-book3e.h @@ -40,7 +40,7 @@ #define _PAGE_U1 0x010000 #define _PAGE_U0 0x020000 #define _PAGE_ACCESSED 0x040000 -#define _PAGE_LENDIAN 0x080000 +#define _PAGE_ENDIAN 0x080000 #define _PAGE_GUARDED 0x100000 #define _PAGE_COHERENT 0x200000 /* M: enforce memory coherence */ #define _PAGE_NO_CACHE 0x400000 /* I: cache inhibit */ diff --git a/arch/powerpc/include/asm/pte-hash64.h b/arch/powerpc/include/asm/pte-hash64.h index 0419eeb5327..2505d8eab15 100644 --- a/arch/powerpc/include/asm/pte-hash64.h +++ b/arch/powerpc/include/asm/pte-hash64.h @@ -19,7 +19,7 @@ #define _PAGE_FILE 0x0002 /* (!present only) software: pte holds file offset */ #define _PAGE_EXEC 0x0004 /* No execute on POWER4 and newer (we invert) */ #define _PAGE_GUARDED 0x0008 -#define _PAGE_COHERENT 0x0010 /* M: enforce memory coherence (SMP systems) */ +/* We can derive Memory coherence from _PAGE_NO_CACHE */ #define _PAGE_NO_CACHE 0x0020 /* I: cache inhibit */ #define _PAGE_WRITETHRU 0x0040 /* W: cache write-through */ #define _PAGE_DIRTY 0x0080 /* C: page changed */ @@ -27,6 +27,12 @@ #define _PAGE_RW 0x0200 /* software: user write access allowed */ #define _PAGE_BUSY 0x0800 /* software: PTE & hash are busy */ +/* + * Used for tracking numa faults + */ +#define _PAGE_NUMA 0x00000010 /* Gather numa placement stats */ + + /* No separate kernel read-only */ #define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) /* user access blocked by key */ #define _PAGE_KERNEL_RO _PAGE_KERNEL_RW diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index becc08e6a65..279b80f3bb2 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -28,11 +28,23 @@ #ifdef __powerpc64__ +/* + * Size of redzone that userspace is allowed to use below the stack + * pointer. This is 288 in the 64-bit big-endian ELF ABI, and 512 in + * the new ELFv2 little-endian ABI, so we allow the larger amount. + * + * For kernel code we allow a 288-byte redzone, in order to conserve + * kernel stack space; gcc currently only uses 288 bytes, and will + * hopefully allow explicit control of the redzone size in future. + */ +#define USER_REDZONE_SIZE 512 +#define KERNEL_REDZONE_SIZE 288 + #define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ #define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265) #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ - STACK_FRAME_OVERHEAD + 288) + STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_FRAME_MARKER 12 /* Size of dummy stack frame allocated when calling signal handler. */ @@ -41,6 +53,8 @@ #else /* __powerpc64__ */ +#define USER_REDZONE_SIZE 0 +#define KERNEL_REDZONE_SIZE 0 #define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ #define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 10d1ef016bf..bffd89d2730 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -115,7 +115,12 @@ #define MSR_64BIT MSR_SF /* Server variant */ -#define MSR_ (MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV) +#define __MSR (MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV) +#ifdef __BIG_ENDIAN__ +#define MSR_ __MSR +#else +#define MSR_ (__MSR | MSR_LE) +#endif #define MSR_KERNEL (MSR_ | MSR_64BIT) #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE) #define MSR_USER64 (MSR_USER32 | MSR_64BIT) @@ -208,7 +213,9 @@ #define SPRN_ACOP 0x1F /* Available Coprocessor Register */ #define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */ #define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */ +#define TEXASR_FS __MASK(63-36) /* Transaction Failure Summary */ #define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */ +#define TEXASR_FS __MASK(63-36) /* TEXASR Failure Summary */ #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */ #define SPRN_CTRLF 0x088 #define SPRN_CTRLT 0x098 @@ -218,17 +225,27 @@ #define CTRL_TE 0x00c00000 /* thread enable */ #define CTRL_RUNLATCH 0x1 #define SPRN_DAWR 0xB4 +#define SPRN_RPR 0xBA /* Relative Priority Register */ +#define SPRN_CIABR 0xBB +#define CIABR_PRIV 0x3 +#define CIABR_PRIV_USER 1 +#define CIABR_PRIV_SUPER 2 +#define CIABR_PRIV_HYPER 3 #define SPRN_DAWRX 0xBC -#define DAWRX_USER (1UL << 0) -#define DAWRX_KERNEL (1UL << 1) -#define DAWRX_HYP (1UL << 2) +#define DAWRX_USER __MASK(0) +#define DAWRX_KERNEL __MASK(1) +#define DAWRX_HYP __MASK(2) +#define DAWRX_WTI __MASK(3) +#define DAWRX_WT __MASK(4) +#define DAWRX_DR __MASK(5) +#define DAWRX_DW __MASK(6) #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ #define SPRN_DABR2 0x13D /* e300 */ #define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */ -#define DABRX_USER (1UL << 0) -#define DABRX_KERNEL (1UL << 1) -#define DABRX_HYP (1UL << 2) -#define DABRX_BTI (1UL << 3) +#define DABRX_USER __MASK(0) +#define DABRX_KERNEL __MASK(1) +#define DABRX_HYP __MASK(2) +#define DABRX_BTI __MASK(3) #define DABRX_ALL (DABRX_BTI | DABRX_HYP | DABRX_KERNEL | DABRX_USER) #define SPRN_DAR 0x013 /* Data Address Register */ #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ @@ -243,6 +260,7 @@ #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */ +#define SPRN_TBU40 0x11E /* Timebase upper 40 bits (hyper, R/W) */ #define SPRN_SPURR 0x134 /* Scaled PURR */ #define SPRN_HSPRG0 0x130 /* Hypervisor Scratch 0 */ #define SPRN_HSPRG1 0x131 /* Hypervisor Scratch 1 */ @@ -254,6 +272,14 @@ #define SPRN_HRMOR 0x139 /* Real mode offset register */ #define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */ #define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */ +#define SPRN_IC 0x350 /* Virtual Instruction Count */ +#define SPRN_VTB 0x351 /* Virtual Time Base */ +#define SPRN_LDBAR 0x352 /* LD Base Address Register */ +#define SPRN_PMICR 0x354 /* Power Management Idle Control Reg */ +#define SPRN_PMSR 0x355 /* Power Management Status Reg */ +#define SPRN_PMMAR 0x356 /* Power Management Memory Activity Register */ +#define SPRN_PMCR 0x374 /* Power Management Control Register */ + /* HFSCR and FSCR bit numbers are the same */ #define FSCR_TAR_LG 8 /* Enable Target Address Register */ #define FSCR_EBB_LG 7 /* Enable Event Based Branching */ @@ -283,6 +309,7 @@ #define LPCR_ISL (1ul << (63-2)) #define LPCR_VC_SH (63-2) #define LPCR_DPFD_SH (63-11) +#define LPCR_DPFD (7ul << LPCR_DPFD_SH) #define LPCR_VRMASD (0x1ful << (63-16)) #define LPCR_VRMA_L (1ul << (63-12)) #define LPCR_VRMA_LP0 (1ul << (63-15)) @@ -291,14 +318,19 @@ #define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit sel */ #define LPCR_RMLS_SH (63-37) #define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */ +#define LPCR_AIL 0x01800000 /* Alternate interrupt location */ #define LPCR_AIL_0 0x00000000 /* MMU off exception offset 0x0 */ #define LPCR_AIL_3 0x01800000 /* MMU on exception offset 0xc00...4xxx */ -#define LPCR_PECE 0x00007000 /* powersave exit cause enable */ +#define LPCR_ONL 0x00040000 /* online - PURR/SPURR count */ +#define LPCR_PECE 0x0001f000 /* powersave exit cause enable */ +#define LPCR_PECEDP 0x00010000 /* directed priv dbells cause exit */ +#define LPCR_PECEDH 0x00008000 /* directed hyp dbells cause exit */ #define LPCR_PECE0 0x00004000 /* ext. exceptions can cause exit */ #define LPCR_PECE1 0x00002000 /* decrementer can cause exit */ #define LPCR_PECE2 0x00001000 /* machine check etc can cause exit */ #define LPCR_MER 0x00000800 /* Mediated External Exception */ #define LPCR_MER_SH 11 +#define LPCR_TC 0x00000200 /* Translation control */ #define LPCR_LPES 0x0000000c #define LPCR_LPES0 0x00000008 /* LPAR Env selector 0 */ #define LPCR_LPES1 0x00000004 /* LPAR Env selector 1 */ @@ -311,6 +343,12 @@ #define LPID_RSVD 0x3ff /* Reserved LPID for partn switching */ #define SPRN_HMER 0x150 /* Hardware m? error recovery */ #define SPRN_HMEER 0x151 /* Hardware m? enable error recovery */ +#define SPRN_PCR 0x152 /* Processor compatibility register */ +#define PCR_VEC_DIS (1ul << (63-0)) /* Vec. disable (bit NA since POWER8) */ +#define PCR_VSX_DIS (1ul << (63-1)) /* VSX disable (bit NA since POWER8) */ +#define PCR_TM_DIS (1ul << (63-2)) /* Trans. memory disable (POWER8) */ +#define PCR_ARCH_206 0x4 /* Architecture 2.06 */ +#define PCR_ARCH_205 0x2 /* Architecture 2.05 */ #define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */ #define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */ #define SPRN_TLBVPNR 0x155 /* P7 TLB control register */ @@ -356,6 +394,8 @@ #define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */ #define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */ #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */ +#define SPRN_DHDES 0x0B1 /* Directed Hyp. Doorbell Exc. State */ +#define SPRN_DPDES 0x0B0 /* Directed Priv. Doorbell Exc. State */ #define SPRN_EAR 0x11A /* External Address Register */ #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */ #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */ @@ -397,6 +437,12 @@ #define HID0_BTCD (1<<1) /* Branch target cache disable */ #define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */ #define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */ +/* POWER8 HID0 bits */ +#define HID0_POWER8_4LPARMODE __MASK(61) +#define HID0_POWER8_2LPARMODE __MASK(57) +#define HID0_POWER8_1TO2LPAR __MASK(52) +#define HID0_POWER8_1TO4LPAR __MASK(51) +#define HID0_POWER8_DYNLPARDIS __MASK(48) #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ #ifdef CONFIG_6xx @@ -415,11 +461,13 @@ #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ #define SPRN_IABR2 0x3FA /* 83xx */ #define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */ +#define SPRN_IAMR 0x03D /* Instr. Authority Mask Reg */ #define SPRN_HID4 0x3F4 /* 970 HID4 */ #define HID4_LPES0 (1ul << (63-0)) /* LPAR env. sel. bit 0 */ #define HID4_RMLS2_SH (63 - 2) /* Real mode limit bottom 2 bits */ #define HID4_LPID5_SH (63 - 6) /* partition ID bottom 4 bits */ #define HID4_RMOR_SH (63 - 22) /* real mode offset (16 bits) */ +#define HID4_RMOR (0xFFFFul << HID4_RMOR_SH) #define HID4_LPES1 (1 << (63-57)) /* LPAR env. sel. bit 1 */ #define HID4_RMLS0_SH (63 - 58) /* Real mode limit top bit */ #define HID4_LPID1_SH 0 /* partition ID top 2 bits */ @@ -528,6 +576,7 @@ #define SPRN_PIR 0x3FF /* Processor Identification Register */ #endif #define SPRN_TIR 0x1BE /* Thread Identification Register */ +#define SPRN_PSPB 0x09F /* Problem State Priority Boost reg */ #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */ @@ -543,9 +592,13 @@ #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ #define SPRN_USPRG3 0x103 /* SPRG3 userspace read */ #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */ +#define SPRN_USPRG4 0x104 /* SPRG4 userspace read */ #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */ +#define SPRN_USPRG5 0x105 /* SPRG5 userspace read */ #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */ +#define SPRN_USPRG6 0x106 /* SPRG6 userspace read */ #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */ +#define SPRN_USPRG7 0x107 /* SPRG7 userspace read */ #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ #define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */ @@ -627,16 +680,20 @@ #define MMCR0_PROBLEM_DISABLE MMCR0_FCP #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ -#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ -#define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */ +#define MMCR0_PMXE ASM_CONST(0x04000000) /* perf mon exception enable */ +#define MMCR0_FCECE ASM_CONST(0x02000000) /* freeze ctrs on enabled cond or event */ #define MMCR0_TBEE 0x00400000UL /* time base exception enable */ +#define MMCR0_BHRBA 0x00200000UL /* BHRB Access allowed in userspace */ #define MMCR0_EBE 0x00100000UL /* Event based branch enable */ #define MMCR0_PMCC 0x000c0000UL /* PMC control */ #define MMCR0_PMCC_U6 0x00080000UL /* PMC1-6 are R/W by user (PR) */ #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ -#define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/ +#define MMCR0_PMCjCE ASM_CONST(0x00004000) /* PMCj count enable*/ #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ -#define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */ +#define MMCR0_PMAO_SYNC ASM_CONST(0x00000800) /* PMU intr is synchronous */ +#define MMCR0_C56RUN ASM_CONST(0x00000100) /* PMC5/6 count when RUN=0 */ +/* performance monitor alert has occurred, set to 0 after handling exception */ +#define MMCR0_PMAO ASM_CONST(0x00000080) #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */ #define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */ #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */ @@ -669,6 +726,8 @@ #define SPRN_EBBHR 804 /* Event based branch handler register */ #define SPRN_EBBRR 805 /* Event based branch return register */ #define SPRN_BESCR 806 /* Branch event status and control register */ +#define BESCR_GE 0x8000000000000000ULL /* Global Enable */ +#define SPRN_WORT 895 /* Workload optimization register - thread */ #define SPRN_PMC1 787 #define SPRN_PMC2 788 @@ -685,6 +744,11 @@ #define SIER_SIHV 0x1000000 /* Sampled MSR_HV */ #define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */ #define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */ +#define SPRN_TACR 888 +#define SPRN_TCSCR 889 +#define SPRN_CSIGR 890 +#define SPRN_SPMC1 892 +#define SPRN_SPMC2 893 /* When EBB is enabled, some of MMCR0/MMCR2/SIER are user accessible */ #define MMCR0_USER_MASK (MMCR0_FC | MMCR0_PMXE | MMCR0_PMAO) @@ -839,11 +903,10 @@ * 64-bit embedded * - SPRG0 generic exception scratch * - SPRG2 TLB exception stack - * - SPRG3 critical exception scratch and - * CPU and NUMA node for VDSO getcpu (user visible) + * - SPRG3 critical exception scratch (user visible, sorry!) * - SPRG4 unused (user visible) * - SPRG6 TLB miss scratch (user visible, sorry !) - * - SPRG7 critical exception scratch + * - SPRG7 CPU and NUMA node for VDSO getcpu (user visible) * - SPRG8 machine check exception scratch * - SPRG9 debug exception scratch * @@ -900,6 +963,8 @@ #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2 #define SPRN_SPRG_HPACA SPRN_HSPRG0 #define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1 +#define SPRN_SPRG_VDSO_READ SPRN_USPRG3 +#define SPRN_SPRG_VDSO_WRITE SPRN_SPRG3 #define GET_PACA(rX) \ BEGIN_FTR_SECTION_NESTED(66); \ @@ -943,6 +1008,8 @@ #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 #define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH +#define SPRN_SPRG_VDSO_READ SPRN_USPRG7 +#define SPRN_SPRG_VDSO_WRITE SPRN_SPRG7 #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA @@ -1062,6 +1129,10 @@ #define PVR_8560 0x80200000 #define PVR_VER_E500V1 0x8020 #define PVR_VER_E500V2 0x8021 +#define PVR_VER_E500MC 0x8023 +#define PVR_VER_E5500 0x8024 +#define PVR_VER_E6500 0x8040 + /* * For the 8xx processors, all of them report the same PVR family for * the PowerPC core. The various versions of these processors must be @@ -1102,6 +1173,13 @@ #define PVR_BE 0x0070 #define PVR_PA6T 0x0090 +/* "Logical" PVR values defined in PAPR, representing architecture levels */ +#define PVR_ARCH_204 0x0f000001 +#define PVR_ARCH_205 0x0f000002 +#define PVR_ARCH_206 0x0f000003 +#define PVR_ARCH_206p 0x0f100003 +#define PVR_ARCH_207 0x0f000004 + /* Macros for setting and retrieving special purpose registers */ #ifndef __ASSEMBLY__ #define mfmsr() ({unsigned long rval; \ @@ -1154,12 +1232,19 @@ #else /* __powerpc64__ */ +#if defined(CONFIG_8xx) +#define mftbl() ({unsigned long rval; \ + asm volatile("mftbl %0" : "=r" (rval)); rval;}) +#define mftbu() ({unsigned long rval; \ + asm volatile("mftbu %0" : "=r" (rval)); rval;}) +#else #define mftbl() ({unsigned long rval; \ asm volatile("mfspr %0, %1" : "=r" (rval) : \ "i" (SPRN_TBRL)); rval;}) #define mftbu() ({unsigned long rval; \ asm volatile("mfspr %0, %1" : "=r" (rval) : \ "i" (SPRN_TBRU)); rval;}) +#endif #endif /* !__powerpc64__ */ #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) diff --git a/arch/powerpc/include/asm/reg_a2.h b/arch/powerpc/include/asm/reg_a2.h index 3d52a1132f3..3ba9c6f096f 100644 --- a/arch/powerpc/include/asm/reg_a2.h +++ b/arch/powerpc/include/asm/reg_a2.h @@ -110,15 +110,6 @@ #define TLB1_UR ASM_CONST(0x0000000000000002) #define TLB1_SR ASM_CONST(0x0000000000000001) -#ifdef CONFIG_PPC_EARLY_DEBUG_WSP -#define WSP_UART_PHYS 0xffc000c000 -/* This needs to be careful chosen to hit a !0 congruence class - * in the TLB since we bolt it in way 3, which is already occupied - * by our linear mapping primary bolted entry in CC 0. - */ -#define WSP_UART_VIRT 0xf000000000001000 -#endif - /* A2 erativax attributes definitions */ #define ERATIVAX_RS_IS_ALL 0x000 #define ERATIVAX_RS_IS_TID 0x040 diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index ed8f836da09..464f1089b53 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -101,6 +101,7 @@ #define SPRN_IVOR39 0x1B1 /* Interrupt Vector Offset Register 39 */ #define SPRN_IVOR40 0x1B2 /* Interrupt Vector Offset Register 40 */ #define SPRN_IVOR41 0x1B3 /* Interrupt Vector Offset Register 41 */ +#define SPRN_IVOR42 0x1B4 /* Interrupt Vector Offset Register 42 */ #define SPRN_GIVOR2 0x1B8 /* Guest IVOR2 */ #define SPRN_GIVOR3 0x1B9 /* Guest IVOR3 */ #define SPRN_GIVOR4 0x1BA /* Guest IVOR4 */ @@ -170,6 +171,7 @@ #define SPRN_L2CSR1 0x3FA /* L2 Data Cache Control and Status Register 1 */ #define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */ #define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */ +#define SPRN_PWRMGTCR0 0x3FB /* Power management control register 0 */ #define SPRN_SVR 0x3FF /* System Version Register */ /* @@ -216,6 +218,14 @@ #define CCR1_DPC 0x00000100 /* Disable L1 I-Cache/D-Cache parity checking */ #define CCR1_TCS 0x00000080 /* Timer Clock Select */ +/* Bit definitions for PWRMGTCR0. */ +#define PWRMGTCR0_PW20_WAIT (1 << 14) /* PW20 state enable bit */ +#define PWRMGTCR0_PW20_ENT_SHIFT 8 +#define PWRMGTCR0_PW20_ENT 0x3F00 +#define PWRMGTCR0_AV_IDLE_PD_EN (1 << 22) /* Altivec idle enable */ +#define PWRMGTCR0_AV_IDLE_CNT_SHIFT 16 +#define PWRMGTCR0_AV_IDLE_CNT 0x3F0000 + /* Bit definitions for the MCSR. */ #define MCSR_MCS 0x80000000 /* Machine Check Summary */ #define MCSR_IB 0x40000000 /* Instruction PLB Error */ @@ -381,7 +391,7 @@ #define DBCR0_IA34T 0x00004000 /* Instr Addr 3-4 range Toggle */ #define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ -#define dbcr_iac_range(task) ((task)->thread.dbcr0) +#define dbcr_iac_range(task) ((task)->thread.debug.dbcr0) #define DBCR_IAC12I DBCR0_IA12 /* Range Inclusive */ #define DBCR_IAC12X (DBCR0_IA12 | DBCR0_IA12X) /* Range Exclusive */ #define DBCR_IAC12MODE (DBCR0_IA12 | DBCR0_IA12X) /* IAC 1-2 Mode Bits */ @@ -395,7 +405,7 @@ #define DBCR1_DAC1W 0x20000000 /* DAC1 Write Debug Event */ #define DBCR1_DAC2W 0x10000000 /* DAC2 Write Debug Event */ -#define dbcr_dac(task) ((task)->thread.dbcr1) +#define dbcr_dac(task) ((task)->thread.debug.dbcr1) #define DBCR_DAC1R DBCR1_DAC1R #define DBCR_DAC1W DBCR1_DAC1W #define DBCR_DAC2R DBCR1_DAC2R @@ -441,7 +451,7 @@ #define DBCR0_CRET 0x00000020 /* Critical Return Debug Event */ #define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ -#define dbcr_dac(task) ((task)->thread.dbcr0) +#define dbcr_dac(task) ((task)->thread.debug.dbcr0) #define DBCR_DAC1R DBCR0_DAC1R #define DBCR_DAC1W DBCR0_DAC1W #define DBCR_DAC2R DBCR0_DAC2R @@ -475,7 +485,7 @@ #define DBCR1_IAC34MX 0x000000C0 /* Instr Addr 3-4 range eXclusive */ #define DBCR1_IAC34AT 0x00000001 /* Instr Addr 3-4 range Toggle */ -#define dbcr_iac_range(task) ((task)->thread.dbcr1) +#define dbcr_iac_range(task) ((task)->thread.debug.dbcr1) #define DBCR_IAC12I DBCR1_IAC12M /* Range Inclusive */ #define DBCR_IAC12X DBCR1_IAC12MX /* Range Exclusive */ #define DBCR_IAC12MODE DBCR1_IAC12MX /* IAC 1-2 Mode Bits */ @@ -573,6 +583,7 @@ /* Bit definitions for L1CSR0. */ #define L1CSR0_CPE 0x00010000 /* Data Cache Parity Enable */ +#define L1CSR0_CUL 0x00000400 /* Data Cache Unable to Lock */ #define L1CSR0_CLFC 0x00000100 /* Cache Lock Bits Flash Clear */ #define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */ #define L1CSR0_CFI 0x00000002 /* Cache Flash Invalidate */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 9bd52c65e66..b390f55b0df 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -150,19 +150,53 @@ struct rtas_suspend_me_data { #define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500 struct rtas_error_log { - unsigned long version:8; /* Architectural version */ - unsigned long severity:3; /* Severity level of error */ - unsigned long disposition:2; /* Degree of recovery */ - unsigned long extended:1; /* extended log present? */ - unsigned long /* reserved */ :2; /* Reserved for future use */ - unsigned long initiator:4; /* Initiator of event */ - unsigned long target:4; /* Target of failed operation */ - unsigned long type:8; /* General event or error*/ - unsigned long extended_log_length:32; /* length in bytes */ - unsigned char buffer[1]; /* Start of extended log */ + /* Byte 0 */ + uint8_t byte0; /* Architectural version */ + + /* Byte 1 */ + uint8_t byte1; + /* XXXXXXXX + * XXX 3: Severity level of error + * XX 2: Degree of recovery + * X 1: Extended log present? + * XX 2: Reserved + */ + + /* Byte 2 */ + uint8_t byte2; + /* XXXXXXXX + * XXXX 4: Initiator of event + * XXXX 4: Target of failed operation + */ + uint8_t byte3; /* General event or error*/ + __be32 extended_log_length; /* length in bytes */ + unsigned char buffer[1]; /* Start of extended log */ /* Variable length. */ }; +static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog) +{ + return (elog->byte1 & 0xE0) >> 5; +} + +static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog) +{ + return (elog->byte1 & 0x18) >> 3; +} + +static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog) +{ + return (elog->byte1 & 0x04) >> 2; +} + +#define rtas_error_type(x) ((x)->byte3) + +static inline +uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog) +{ + return be32_to_cpu(elog->extended_log_length); +} + #define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14 #define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8)) @@ -172,32 +206,35 @@ struct rtas_error_log { */ struct rtas_ext_event_log_v6 { /* Byte 0 */ - uint32_t log_valid:1; /* 1:Log valid */ - uint32_t unrecoverable_error:1; /* 1:Unrecoverable error */ - uint32_t recoverable_error:1; /* 1:recoverable (correctable */ - /* or successfully retried) */ - uint32_t degraded_operation:1; /* 1:Unrecoverable err, bypassed*/ - /* - degraded operation (e.g. */ - /* CPU or mem taken off-line) */ - uint32_t predictive_error:1; - uint32_t new_log:1; /* 1:"New" log (Always 1 for */ - /* data returned from RTAS */ - uint32_t big_endian:1; /* 1: Big endian */ - uint32_t :1; /* reserved */ + uint8_t byte0; + /* XXXXXXXX + * X 1: Log valid + * X 1: Unrecoverable error + * X 1: Recoverable (correctable or successfully retried) + * X 1: Bypassed unrecoverable error (degraded operation) + * X 1: Predictive error + * X 1: "New" log (always 1 for data returned from RTAS) + * X 1: Big Endian + * X 1: Reserved + */ + /* Byte 1 */ - uint32_t :8; /* reserved */ + uint8_t byte1; /* reserved */ + /* Byte 2 */ - uint32_t powerpc_format:1; /* Set to 1 (indicating log is */ - /* in PowerPC format */ - uint32_t :3; /* reserved */ - uint32_t log_format:4; /* Log format indicator. Define */ - /* format used for byte 12-2047 */ + uint8_t byte2; + /* XXXXXXXX + * X 1: Set to 1 (indicating log is in PowerPC format) + * XXX 3: Reserved + * XXXX 4: Log format used for bytes 12-2047 + */ + /* Byte 3 */ - uint32_t :8; /* reserved */ + uint8_t byte3; /* reserved */ /* Byte 4-11 */ uint8_t reserved[8]; /* reserved */ /* Byte 12-15 */ - uint32_t company_id; /* Company ID of the company */ + __be32 company_id; /* Company ID of the company */ /* that defines the format for */ /* the vendor specific log type */ /* Byte 16-end of log */ @@ -205,6 +242,18 @@ struct rtas_ext_event_log_v6 { /* Variable length. */ }; +static +inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log) +{ + return ext_log->byte2 & 0x0F; +} + +static +inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log) +{ + return be32_to_cpu(ext_log->company_id); +} + /* pSeries event log format */ /* Two bytes ASCII section IDs */ @@ -227,14 +276,26 @@ struct rtas_ext_event_log_v6 { /* Vendor specific Platform Event Log Format, Version 6, section header */ struct pseries_errorlog { - uint16_t id; /* 0x00 2-byte ASCII section ID */ - uint16_t length; /* 0x02 Section length in bytes */ + __be16 id; /* 0x00 2-byte ASCII section ID */ + __be16 length; /* 0x02 Section length in bytes */ uint8_t version; /* 0x04 Section version */ uint8_t subtype; /* 0x05 Section subtype */ - uint16_t creator_component; /* 0x06 Creator component ID */ + __be16 creator_component; /* 0x06 Creator component ID */ uint8_t data[]; /* 0x08 Start of section data */ }; +static +inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect) +{ + return be16_to_cpu(sect->id); +} + +static +inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect) +{ + return be16_to_cpu(sect->length); +} + struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log, uint16_t section_id); @@ -283,6 +344,7 @@ extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal); #ifdef CONFIG_PPC_PSERIES extern int pseries_devicetree_update(s32 scope); +extern void post_mobility_fixup(void); #endif #ifdef CONFIG_PPC_RTAS_DAEMON diff --git a/arch/powerpc/include/asm/scom.h b/arch/powerpc/include/asm/scom.h index 0cabfd7bc2d..f5cde45b116 100644 --- a/arch/powerpc/include/asm/scom.h +++ b/arch/powerpc/include/asm/scom.h @@ -54,8 +54,8 @@ struct scom_controller { scom_map_t (*map)(struct device_node *ctrl_dev, u64 reg, u64 count); void (*unmap)(scom_map_t map); - u64 (*read)(scom_map_t map, u32 reg); - void (*write)(scom_map_t map, u32 reg, u64 value); + int (*read)(scom_map_t map, u64 reg, u64 *value); + int (*write)(scom_map_t map, u64 reg, u64 value); }; extern const struct scom_controller *scom_controller; @@ -133,10 +133,18 @@ static inline void scom_unmap(scom_map_t map) * scom_read - Read a SCOM register * @map: Result of scom_map * @reg: Register index within that map + * @value: Updated with the value read + * + * Returns 0 (success) or a negative error code */ -static inline u64 scom_read(scom_map_t map, u32 reg) +static inline int scom_read(scom_map_t map, u64 reg, u64 *value) { - return scom_controller->read(map, reg); + int rc; + + rc = scom_controller->read(map, reg, value); + if (rc) + *value = 0xfffffffffffffffful; + return rc; } /** @@ -144,12 +152,15 @@ static inline u64 scom_read(scom_map_t map, u32 reg) * @map: Result of scom_map * @reg: Register index within that map * @value: Value to write + * + * Returns 0 (success) or a negative error code */ -static inline void scom_write(scom_map_t map, u32 reg, u64 value) +static inline int scom_write(scom_map_t map, u64 reg, u64 value) { - scom_controller->write(map, reg, value); + return scom_controller->write(map, reg, value); } + #endif /* CONFIG_PPC_SCOM */ #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 4ee06fe15de..a5e930aca80 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -8,6 +8,7 @@ #ifdef __powerpc64__ +extern char __start_interrupts[]; extern char __end_interrupts[]; extern char __prom_init_toc_start[]; @@ -21,12 +22,35 @@ static inline int in_kernel_text(unsigned long addr) return 0; } +static inline int overlaps_interrupt_vector_text(unsigned long start, + unsigned long end) +{ + unsigned long real_start, real_end; + real_start = __start_interrupts - _stext; + real_end = __end_interrupts - _stext; + + return start < (unsigned long)__va(real_end) && + (unsigned long)__va(real_start) < end; +} + static inline int overlaps_kernel_text(unsigned long start, unsigned long end) { return start < (unsigned long)__init_end && (unsigned long)_stext < end; } +static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end) +{ +#ifdef CONFIG_KVM_GUEST + extern char kvm_tmp[]; + return start < (unsigned long)kvm_tmp && + (unsigned long)&kvm_tmp[1024 * 1024] < end; +#else + return 0; +#endif +} + +#if !defined(_CALL_ELF) || _CALL_ELF != 2 #undef dereference_function_descriptor static inline void *dereference_function_descriptor(void *ptr) { @@ -37,6 +61,7 @@ static inline void *dereference_function_descriptor(void *ptr) ptr = p; return ptr; } +#endif #endif diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index d3ca85529b8..11ba86e1763 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -23,6 +23,11 @@ extern void reloc_got2(unsigned long); #define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) +void check_for_initrd(void); +void do_init_bootmem(void); +void setup_panic(void); +#define ARCH_PANIC_TIMEOUT 180 + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/include/asm/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h index 3a7a67a0d00..d89beaba26f 100644 --- a/arch/powerpc/include/asm/sfp-machine.h +++ b/arch/powerpc/include/asm/sfp-machine.h @@ -125,7 +125,7 @@ #define FP_EX_DIVZERO (1 << (31 - 5)) #define FP_EX_INEXACT (1 << (31 - 6)) -#define __FPU_FPSCR (current->thread.fpscr.val) +#define __FPU_FPSCR (current->thread.fp_state.fpscr) /* We only actually write to the destination register * if exceptions signalled (if any) will not trap. diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 98da78e0c2c..5a6614a7f0b 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -33,6 +33,7 @@ extern int boot_cpuid; extern int spinning_secondaries; extern void cpu_die(void); +extern int cpu_to_chip_id(int cpu); #ifdef CONFIG_SMP @@ -67,14 +68,6 @@ void generic_mach_cpu_die(void); void generic_set_cpu_dead(unsigned int cpu); void generic_set_cpu_up(unsigned int cpu); int generic_check_cpu_restart(unsigned int cpu); - -extern void inhibit_secondary_onlining(void); -extern void uninhibit_secondary_onlining(void); - -#else /* HOTPLUG_CPU */ -static inline void inhibit_secondary_onlining(void) {} -static inline void uninhibit_secondary_onlining(void) {} - #endif #ifdef CONFIG_PPC64 @@ -112,7 +105,6 @@ static inline struct cpumask *cpu_core_mask(int cpu) } extern int cpu_to_core_id(int cpu); -extern int cpu_to_chip_id(int cpu); /* Since OpenPIC has only 4 IPIs, we use slightly different message numbers. * @@ -120,7 +112,7 @@ extern int cpu_to_chip_id(int cpu); * in /proc/interrupts will be wrong!!! --Troy */ #define PPC_MSG_CALL_FUNCTION 0 #define PPC_MSG_RESCHEDULE 1 -#define PPC_MSG_CALL_FUNC_SINGLE 2 +#define PPC_MSG_TICK_BROADCAST 2 #define PPC_MSG_DEBUGGER_BREAK 3 /* for irq controllers that have dedicated ipis per message (4) */ diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 5f54a744dcc..35aa339410b 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -28,7 +28,7 @@ #include <asm/synch.h> #include <asm/ppc-opcode.h> -#define arch_spin_is_locked(x) ((x)->slock != 0) +#define smp_mb__after_unlock_lock() smp_mb() /* Full ordering for lock. */ #ifdef CONFIG_PPC64 /* use 0x800000yy when locked, where yy == CPU number */ @@ -54,6 +54,16 @@ #define SYNC_IO #endif +static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock) +{ + return lock.slock == 0; +} + +static inline int arch_spin_is_locked(arch_spinlock_t *lock) +{ + return !arch_spin_value_unlocked(*lock); +} + /* * This returns the old value in the lock, so we succeeded * in getting the lock if the return value is 0. diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h index 93f280e2327..37b7ca39ec9 100644 --- a/arch/powerpc/include/asm/spu.h +++ b/arch/powerpc/include/asm/spu.h @@ -235,6 +235,7 @@ extern long spu_sys_callback(struct spu_syscall_block *s); /* syscalls implemented in spufs */ struct file; +struct coredump_params; struct spufs_calls { long (*create_thread)(const char __user *name, unsigned int flags, umode_t mode, @@ -242,7 +243,7 @@ struct spufs_calls { long (*spu_run)(struct file *filp, __u32 __user *unpc, __u32 __user *ustatus); int (*coredump_extra_notes_size)(void); - int (*coredump_extra_notes_write)(struct file *file, loff_t *foffset); + int (*coredump_extra_notes_write)(struct coredump_params *cprm); void (*notify_spus_active)(void); struct module *owner; }; diff --git a/arch/powerpc/include/asm/swab.h b/arch/powerpc/include/asm/swab.h index b9bd1ca944d..96f59de6185 100644 --- a/arch/powerpc/include/asm/swab.h +++ b/arch/powerpc/include/asm/swab.h @@ -9,10 +9,6 @@ #include <uapi/asm/swab.h> -#ifdef __GNUC__ -#ifndef __powerpc64__ -#endif /* __powerpc64__ */ - static __inline__ __u16 ld_le16(const volatile __u16 *addr) { __u16 val; @@ -20,19 +16,12 @@ static __inline__ __u16 ld_le16(const volatile __u16 *addr) __asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); return val; } -#define __arch_swab16p ld_le16 static __inline__ void st_le16(volatile __u16 *addr, const __u16 val) { __asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } -static inline void __arch_swab16s(__u16 *addr) -{ - st_le16(addr, *addr); -} -#define __arch_swab16s __arch_swab16s - static __inline__ __u32 ld_le32(const volatile __u32 *addr) { __u32 val; @@ -40,42 +29,10 @@ static __inline__ __u32 ld_le32(const volatile __u32 *addr) __asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr)); return val; } -#define __arch_swab32p ld_le32 static __inline__ void st_le32(volatile __u32 *addr, const __u32 val) { __asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } -static inline void __arch_swab32s(__u32 *addr) -{ - st_le32(addr, *addr); -} -#define __arch_swab32s __arch_swab32s - -static inline __attribute_const__ __u16 __arch_swab16(__u16 value) -{ - __u16 result; - - __asm__("rlwimi %0,%1,8,16,23" - : "=r" (result) - : "r" (value), "0" (value >> 8)); - return result; -} -#define __arch_swab16 __arch_swab16 - -static inline __attribute_const__ __u32 __arch_swab32(__u32 value) -{ - __u32 result; - - __asm__("rlwimi %0,%1,24,16,23\n\t" - "rlwimi %0,%1,8,8,15\n\t" - "rlwimi %0,%1,24,0,7" - : "=r" (result) - : "r" (value), "0" (value >> 24)); - return result; -} -#define __arch_swab32 __arch_swab32 - -#endif /* __GNUC__ */ #endif /* _ASM_POWERPC_SWAB_H */ diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 2be5618cdec..58abeda64cb 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -16,25 +16,26 @@ struct thread_struct; extern struct task_struct *_switch(struct thread_struct *prev, struct thread_struct *next); #ifdef CONFIG_PPC_BOOK3S_64 -static inline void save_tar(struct thread_struct *prev) +static inline void save_early_sprs(struct thread_struct *prev) { if (cpu_has_feature(CPU_FTR_ARCH_207S)) prev->tar = mfspr(SPRN_TAR); + if (cpu_has_feature(CPU_FTR_DSCR)) + prev->dscr = mfspr(SPRN_DSCR); } #else -static inline void save_tar(struct thread_struct *prev) {} +static inline void save_early_sprs(struct thread_struct *prev) {} #endif -extern void load_up_fpu(void); extern void enable_kernel_fp(void); extern void enable_kernel_altivec(void); -extern void load_up_altivec(struct task_struct *); extern int emulate_altivec(struct pt_regs *); extern void __giveup_vsx(struct task_struct *); extern void giveup_vsx(struct task_struct *); extern void enable_kernel_spe(void); extern void giveup_spe(struct task_struct *); extern void load_up_spe(struct task_struct *); +extern void switch_booke_debug_regs(struct debug_reg *new_debug); #ifndef CONFIG_SMP extern void discard_lazy_cpu_state(void); @@ -85,6 +86,8 @@ static inline void clear_task_ebb(struct task_struct *t) { #ifdef CONFIG_PPC_BOOK3S_64 /* EBB perf events are not inherited, so clear all EBB state. */ + t->thread.ebbrr = 0; + t->thread.ebbhr = 0; t->thread.bescr = 0; t->thread.mmcr2 = 0; t->thread.mmcr0 = 0; diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 43523fe0d8b..babbeca6850 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -62,7 +62,7 @@ COMPAT_SYS_SPU(fcntl) SYSCALL(ni_syscall) SYSCALL_SPU(setpgid) SYSCALL(ni_syscall) -SYSX(sys_ni_syscall,sys_olduname, sys_olduname) +SYSX(sys_ni_syscall,sys_olduname,sys_olduname) SYSCALL_SPU(umask) SYSCALL_SPU(chroot) COMPAT_SYS(ustat) @@ -190,7 +190,7 @@ SYSCALL_SPU(getcwd) SYSCALL_SPU(capget) SYSCALL_SPU(capset) COMPAT_SYS(sigaltstack) -COMPAT_SYS_SPU(sendfile) +SYSX_SPU(sys_sendfile64,compat_sys_sendfile,sys_sendfile) SYSCALL(ni_syscall) SYSCALL(ni_syscall) PPC_SYS(vfork) @@ -258,7 +258,7 @@ SYSCALL_SPU(tgkill) COMPAT_SYS_SPU(utimes) COMPAT_SYS_SPU(statfs64) COMPAT_SYS_SPU(fstatfs64) -SYSX(sys_ni_syscall, ppc_fadvise64_64, ppc_fadvise64_64) +SYSX(sys_ni_syscall,ppc_fadvise64_64,ppc_fadvise64_64) PPC_SYS_SPU(rtas) OLDSYS(debug_setcontext) SYSCALL(ni_syscall) @@ -295,7 +295,7 @@ SYSCALL_SPU(mkdirat) SYSCALL_SPU(mknodat) SYSCALL_SPU(fchownat) COMPAT_SYS_SPU(futimesat) -SYSX_SPU(sys_newfstatat, sys_fstatat64, sys_fstatat64) +SYSX_SPU(sys_newfstatat,sys_fstatat64,sys_fstatat64) SYSCALL_SPU(unlinkat) SYSCALL_SPU(renameat) SYSCALL_SPU(linkat) @@ -359,3 +359,6 @@ COMPAT_SYS(process_vm_readv) COMPAT_SYS(process_vm_writev) SYSCALL(finit_module) SYSCALL(ni_syscall) /* sys_kcmp */ +SYSCALL_SPU(sched_setattr) +SYSCALL_SPU(sched_getattr) +SYSCALL_SPU(renameat2) diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index ba7b1973866..b034ecdb7c7 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -82,8 +82,6 @@ static inline struct thread_info *current_thread_info(void) #endif /* __ASSEMBLY__ */ -#define PREEMPT_ACTIVE 0x10000000 - /* * thread information flag bit numbers */ @@ -93,8 +91,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_32BIT 4 /* 32 bit binary */ -#define TIF_PERFMON_WORK 5 /* work for pfm_handle_work() */ -#define TIF_PERFMON_CTXSW 6 /* perfmon needs ctxsw calls */ +#define TIF_RESTORE_TM 5 /* need to restore TM FP/VEC/VSX */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SINGLESTEP 8 /* singlestepping active */ #define TIF_NOHZ 9 /* in adaptive nohz mode */ @@ -107,6 +104,9 @@ static inline struct thread_info *current_thread_info(void) #define TIF_EMULATE_STACK_STORE 16 /* Is an instruction emulation for stack store? */ #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ +#if defined(CONFIG_PPC64) +#define TIF_ELF2ABI 18 /* function descriptors must die! */ +#endif /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) @@ -114,8 +114,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_32BIT (1<<TIF_32BIT) -#define _TIF_PERFMON_WORK (1<<TIF_PERFMON_WORK) -#define _TIF_PERFMON_CTXSW (1<<TIF_PERFMON_CTXSW) +#define _TIF_RESTORE_TM (1<<TIF_RESTORE_TM) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) #define _TIF_SECCOMP (1<<TIF_SECCOMP) @@ -131,7 +130,8 @@ static inline struct thread_info *current_thread_info(void) _TIF_NOHZ) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ - _TIF_NOTIFY_RESUME | _TIF_UPROBE) + _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ + _TIF_RESTORE_TM) #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ @@ -185,6 +185,12 @@ static inline bool test_thread_local_flags(unsigned int flags) #define is_32bit_task() (1) #endif +#if defined(CONFIG_PPC64) +#define is_elf2_task() (test_thread_flag(TIF_ELF2ABI)) +#else +#define is_elf2_task() (0) +#endif + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index c1f267694ac..1d428e6007c 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -28,6 +28,7 @@ extern struct clock_event_device decrementer_clockevent; struct rtc_time; extern void to_tm(int tim, struct rtc_time * tm); extern void GregorianDay(struct rtc_time *tm); +extern void tick_broadcast_ipi_handler(void); extern void generic_calibrate_decr(void); diff --git a/arch/powerpc/include/asm/timex.h b/arch/powerpc/include/asm/timex.h index 18908caa1f3..2cf846edb3f 100644 --- a/arch/powerpc/include/asm/timex.h +++ b/arch/powerpc/include/asm/timex.h @@ -29,7 +29,11 @@ static inline cycles_t get_cycles(void) ret = 0; __asm__ __volatile__( +#ifdef CONFIG_8xx + "97: mftb %0\n" +#else "97: mfspr %0, %2\n" +#endif "99:\n" ".section __ftr_fixup,\"a\"\n" ".align 2\n" @@ -41,7 +45,11 @@ static inline cycles_t get_cycles(void) " .long 0\n" " .long 0\n" ".previous" +#ifdef CONFIG_8xx + : "=r" (ret) : "i" (CPU_FTR_601)); +#else : "=r" (ret) : "i" (CPU_FTR_601), "i" (SPRN_TBRL)); +#endif return ret; #endif } diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h index 9dfbc34bdbf..c22d704b6d4 100644 --- a/arch/powerpc/include/asm/tm.h +++ b/arch/powerpc/include/asm/tm.h @@ -7,6 +7,8 @@ #include <uapi/asm/tm.h> +#ifndef __ASSEMBLY__ + #ifdef CONFIG_PPC_TRANSACTIONAL_MEM extern void do_load_up_transact_fpu(struct thread_struct *thread); extern void do_load_up_transact_altivec(struct thread_struct *thread); @@ -15,8 +17,11 @@ extern void do_load_up_transact_altivec(struct thread_struct *thread); extern void tm_enable(void); extern void tm_reclaim(struct thread_struct *thread, unsigned long orig_msr, uint8_t cause); +extern void tm_reclaim_current(uint8_t cause); extern void tm_recheckpoint(struct thread_struct *thread, unsigned long orig_msr); extern void tm_abort(uint8_t cause); extern void tm_save_sprs(struct thread_struct *thread); extern void tm_restore_sprs(struct thread_struct *thread); + +#endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 89e3ef2496a..5f1048eaa5b 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -9,22 +9,13 @@ struct device_node; #ifdef CONFIG_NUMA /* - * Before going off node we want the VM to try and reclaim from the local - * node. It does this if the remote distance is larger than RECLAIM_DISTANCE. - * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of - * 20, we never reclaim and go off node straight away. - * - * To fix this we choose a smaller value of RECLAIM_DISTANCE. + * If zone_reclaim_mode is enabled, a RECLAIM_DISTANCE of 10 will mean that + * all zones on all nodes will be eligible for zone_reclaim(). */ #define RECLAIM_DISTANCE 10 #include <asm/mmzone.h> -static inline int cpu_to_node(int cpu) -{ - return numa_cpu_lookup_table[cpu]; -} - #define parent_node(node) (node) #define cpumask_of_node(node) ((node) == -1 ? \ @@ -91,7 +82,6 @@ static inline int prrn_is_enabled(void) #ifdef CONFIG_SMP #include <asm/cputable.h> -#define smt_capable() (cpu_has_feature(CPU_FTR_SMT)) #ifdef CONFIG_PPC64 #include <asm/smp.h> diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h index 5f1b1e3c213..8296381ae43 100644 --- a/arch/powerpc/include/asm/unaligned.h +++ b/arch/powerpc/include/asm/unaligned.h @@ -4,13 +4,18 @@ #ifdef __KERNEL__ /* - * The PowerPC can do unaligned accesses itself in big endian mode. + * The PowerPC can do unaligned accesses itself based on its endian mode. */ #include <linux/unaligned/access_ok.h> #include <linux/unaligned/generic.h> +#ifdef __LITTLE_ENDIAN__ +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le +#else #define get_unaligned __get_unaligned_be #define put_unaligned __put_unaligned_be +#endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UNALIGNED_H */ diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 3ca819f541b..5ce5552ab9f 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 355 +#define __NR_syscalls 358 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls @@ -29,7 +29,6 @@ #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h index 23016020915..7422a999a39 100644 --- a/arch/powerpc/include/asm/uprobes.h +++ b/arch/powerpc/include/asm/uprobes.h @@ -36,8 +36,8 @@ typedef ppc_opcode_t uprobe_opcode_t; struct arch_uprobe { union { - u8 insn[MAX_UINSN_BYTES]; - u32 ainsn; + u32 insn; + u32 ixol; }; }; @@ -45,11 +45,4 @@ struct arch_uprobe_task { unsigned long saved_trap_nr; }; -extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr); -extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); -extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data); -extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs); #endif /* _ASM_UPROBES_H */ diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h index 0d9cecddf8a..c53f5f6d176 100644 --- a/arch/powerpc/include/asm/vdso.h +++ b/arch/powerpc/include/asm/vdso.h @@ -4,11 +4,11 @@ #ifdef __KERNEL__ /* Default link addresses for the vDSOs */ -#define VDSO32_LBASE 0x100000 -#define VDSO64_LBASE 0x100000 +#define VDSO32_LBASE 0x0 +#define VDSO64_LBASE 0x0 /* Default map addresses for 32bit vDSO */ -#define VDSO32_MBASE VDSO32_LBASE +#define VDSO32_MBASE 0x100000 #define VDSO_VERSION_STRING LINUX_2.6.15 diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h index 68d0cc998b1..4f9b7ca0710 100644 --- a/arch/powerpc/include/asm/vio.h +++ b/arch/powerpc/include/asm/vio.h @@ -15,7 +15,6 @@ #define _ASM_POWERPC_VIO_H #ifdef __KERNEL__ -#include <linux/init.h> #include <linux/errno.h> #include <linux/device.h> #include <linux/dma-mapping.h> diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h index d0b6d4ac6dd..9a5c928bb3c 100644 --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -8,6 +8,8 @@ #include <linux/kernel.h> #include <asm/asm-compat.h> +#ifdef __BIG_ENDIAN__ + struct word_at_a_time { const unsigned long high_bits, low_bits; }; @@ -38,4 +40,80 @@ static inline bool has_zero(unsigned long val, unsigned long *data, const struct return (val + c->high_bits) & ~rhs; } +#else + +struct word_at_a_time { + const unsigned long one_bits, high_bits; +}; + +#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } + +#ifdef CONFIG_64BIT + +/* Alan Modra's little-endian strlen tail for 64-bit */ +#define create_zero_mask(mask) (mask) + +static inline unsigned long find_zero(unsigned long mask) +{ + unsigned long leading_zero_bits; + long trailing_zero_bit_mask; + + asm ("addi %1,%2,-1\n\t" + "andc %1,%1,%2\n\t" + "popcntd %0,%1" + : "=r" (leading_zero_bits), "=&r" (trailing_zero_bit_mask) + : "r" (mask)); + return leading_zero_bits >> 3; +} + +#else /* 32-bit case */ + +/* + * This is largely generic for little-endian machines, but the + * optimal byte mask counting is probably going to be something + * that is architecture-specific. If you have a reliably fast + * bit count instruction, that might be better than the multiply + * and shift, for example. + */ + +/* Carl Chatfield / Jan Achrenius G+ version for 32-bit */ +static inline long count_masked_bytes(long mask) +{ + /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */ + long a = (0x0ff0001+mask) >> 23; + /* Fix the 1 for 00 case */ + return a & mask; +} + +static inline unsigned long create_zero_mask(unsigned long bits) +{ + bits = (bits - 1) & ~bits; + return bits >> 7; +} + +static inline unsigned long find_zero(unsigned long mask) +{ + return count_masked_bytes(mask); +} + +#endif + +/* Return nonzero if it has a zero */ +static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c) +{ + unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits; + *bits = mask; + return mask; +} + +static inline unsigned long prep_zero_mask(unsigned long a, unsigned long bits, const struct word_at_a_time *c) +{ + return bits; +} + +/* The mask we created is directly usable as a bytemask */ +#define zero_bytemask(mask) (mask) + +#endif + #endif /* _ASM_WORD_AT_A_TIME_H */ diff --git a/arch/powerpc/include/asm/wsp.h b/arch/powerpc/include/asm/wsp.h deleted file mode 100644 index c7dc83088a3..00000000000 --- a/arch/powerpc/include/asm/wsp.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * Copyright 2011 Michael Ellerman, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#ifndef __ASM_POWERPC_WSP_H -#define __ASM_POWERPC_WSP_H - -extern int wsp_get_chip_id(struct device_node *dn); - -#endif /* __ASM_POWERPC_WSP_H */ diff --git a/arch/powerpc/include/asm/xor.h b/arch/powerpc/include/asm/xor.h index c82eb12a5b1..0abb97f3be1 100644 --- a/arch/powerpc/include/asm/xor.h +++ b/arch/powerpc/include/asm/xor.h @@ -1 +1,68 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) IBM Corporation, 2012 + * + * Author: Anton Blanchard <anton@au.ibm.com> + */ +#ifndef _ASM_POWERPC_XOR_H +#define _ASM_POWERPC_XOR_H + +#ifdef CONFIG_ALTIVEC + +#include <asm/cputable.h> + +void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in); +void xor_altivec_3(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in); +void xor_altivec_4(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in, + unsigned long *v4_in); +void xor_altivec_5(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in, + unsigned long *v4_in, unsigned long *v5_in); + +static struct xor_block_template xor_block_altivec = { + .name = "altivec", + .do_2 = xor_altivec_2, + .do_3 = xor_altivec_3, + .do_4 = xor_altivec_4, + .do_5 = xor_altivec_5, +}; + +#define XOR_SPEED_ALTIVEC() \ + do { \ + if (cpu_has_feature(CPU_FTR_ALTIVEC)) \ + xor_speed(&xor_block_altivec); \ + } while (0) +#else +#define XOR_SPEED_ALTIVEC() +#endif + +/* Also try the generic routines. */ #include <asm-generic/xor.h> + +#undef XOR_TRY_TEMPLATES +#define XOR_TRY_TEMPLATES \ +do { \ + xor_speed(&xor_block_8regs); \ + xor_speed(&xor_block_8regs_p); \ + xor_speed(&xor_block_32regs); \ + xor_speed(&xor_block_32regs_p); \ + XOR_SPEED_ALTIVEC(); \ +} while (0) + +#endif /* _ASM_POWERPC_XOR_H */ |