diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/arch_timer.h | 13 | ||||
| -rw-r--r-- | arch/arm/include/asm/firmware.h | 66 | ||||
| -rw-r--r-- | arch/arm/include/asm/hardware/timer-sp.h | 16 | ||||
| -rw-r--r-- | arch/arm/include/asm/idmap.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_host.h | 47 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 28 | ||||
| -rw-r--r-- | arch/arm/include/asm/sched_clock.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/xen/hypercall.h | 1 |
8 files changed, 137 insertions, 37 deletions
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 7ade91d8cc6..7c1bfc0aea0 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -10,8 +10,7 @@ #include <clocksource/arm_arch_timer.h> #ifdef CONFIG_ARM_ARCH_TIMER -int arch_timer_of_register(void); -int arch_timer_sched_clock_init(void); +int arch_timer_arch_init(void); /* * These register accessors are marked inline so the compiler can @@ -110,16 +109,6 @@ static inline void __cpuinit arch_counter_set_user_access(void) asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl)); } -#else -static inline int arch_timer_of_register(void) -{ - return -ENXIO; -} - -static inline int arch_timer_sched_clock_init(void) -{ - return -ENXIO; -} #endif #endif diff --git a/arch/arm/include/asm/firmware.h b/arch/arm/include/asm/firmware.h new file mode 100644 index 00000000000..15631300c23 --- /dev/null +++ b/arch/arm/include/asm/firmware.h @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2012 Samsung Electronics. + * Kyungmin Park <kyungmin.park@samsung.com> + * Tomasz Figa <t.figa@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARM_FIRMWARE_H +#define __ASM_ARM_FIRMWARE_H + +#include <linux/bug.h> + +/* + * struct firmware_ops + * + * A structure to specify available firmware operations. + * + * A filled up structure can be registered with register_firmware_ops(). + */ +struct firmware_ops { + /* + * Enters CPU idle mode + */ + int (*do_idle)(void); + /* + * Sets boot address of specified physical CPU + */ + int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr); + /* + * Boots specified physical CPU + */ + int (*cpu_boot)(int cpu); + /* + * Initializes L2 cache + */ + int (*l2x0_init)(void); +}; + +/* Global pointer for current firmware_ops structure, can't be NULL. */ +extern const struct firmware_ops *firmware_ops; + +/* + * call_firmware_op(op, ...) + * + * Checks if firmware operation is present and calls it, + * otherwise returns -ENOSYS + */ +#define call_firmware_op(op, ...) \ + ((firmware_ops->op) ? firmware_ops->op(__VA_ARGS__) : (-ENOSYS)) + +/* + * register_firmware_ops(ops) + * + * A function to register platform firmware_ops struct. + */ +static inline void register_firmware_ops(const struct firmware_ops *ops) +{ + BUG_ON(!ops); + + firmware_ops = ops; +} + +#endif diff --git a/arch/arm/include/asm/hardware/timer-sp.h b/arch/arm/include/asm/hardware/timer-sp.h index 2dd9d3f83f2..bb28af7c32d 100644 --- a/arch/arm/include/asm/hardware/timer-sp.h +++ b/arch/arm/include/asm/hardware/timer-sp.h @@ -1,15 +1,23 @@ +struct clk; + void __sp804_clocksource_and_sched_clock_init(void __iomem *, - const char *, int); + const char *, struct clk *, int); +void __sp804_clockevents_init(void __iomem *, unsigned int, + struct clk *, const char *); static inline void sp804_clocksource_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 0); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 0); } static inline void sp804_clocksource_and_sched_clock_init(void __iomem *base, const char *name) { - __sp804_clocksource_and_sched_clock_init(base, name, 1); + __sp804_clocksource_and_sched_clock_init(base, name, NULL, 1); } -void sp804_clockevents_init(void __iomem *, unsigned int, const char *); +static inline void sp804_clockevents_init(void __iomem *base, unsigned int irq, const char *name) +{ + __sp804_clockevents_init(base, irq, NULL, name); + +} diff --git a/arch/arm/include/asm/idmap.h b/arch/arm/include/asm/idmap.h index 1a66f907e5c..bf863edb517 100644 --- a/arch/arm/include/asm/idmap.h +++ b/arch/arm/include/asm/idmap.h @@ -8,7 +8,6 @@ #define __idmap __section(.idmap.text) noinline notrace extern pgd_t *idmap_pgd; -extern pgd_t *hyp_pgd; void setup_mm_for_reboot(void); diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 0c4e643d939..57cb786a620 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -87,7 +87,7 @@ struct kvm_vcpu_fault_info { u32 hyp_pc; /* PC when exception was taken from Hyp mode */ }; -typedef struct vfp_hard_struct kvm_kernel_vfp_t; +typedef struct vfp_hard_struct kvm_cpu_context_t; struct kvm_vcpu_arch { struct kvm_regs regs; @@ -105,8 +105,10 @@ struct kvm_vcpu_arch { struct kvm_vcpu_fault_info fault; /* Floating point registers (VFP and Advanced SIMD/NEON) */ - kvm_kernel_vfp_t vfp_guest; - kvm_kernel_vfp_t *vfp_host; + struct vfp_hard_struct vfp_guest; + + /* Host FP context */ + kvm_cpu_context_t *host_cpu_context; /* VGIC state */ struct vgic_cpu vgic_cpu; @@ -188,23 +190,38 @@ int kvm_arm_coproc_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *); int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, int exception_index); -static inline void __cpu_init_hyp_mode(unsigned long long pgd_ptr, +static inline void __cpu_init_hyp_mode(unsigned long long boot_pgd_ptr, + unsigned long long pgd_ptr, unsigned long hyp_stack_ptr, unsigned long vector_ptr) { - unsigned long pgd_low, pgd_high; - - pgd_low = (pgd_ptr & ((1ULL << 32) - 1)); - pgd_high = (pgd_ptr >> 32ULL); - /* - * Call initialization code, and switch to the full blown - * HYP code. The init code doesn't need to preserve these registers as - * r1-r3 and r12 are already callee save according to the AAPCS. - * Note that we slightly misuse the prototype by casing the pgd_low to - * a void *. + * Call initialization code, and switch to the full blown HYP + * code. The init code doesn't need to preserve these + * registers as r0-r3 are already callee saved according to + * the AAPCS. + * Note that we slightly misuse the prototype by casing the + * stack pointer to a void *. + * + * We don't have enough registers to perform the full init in + * one go. Install the boot PGD first, and then install the + * runtime PGD, stack pointer and vectors. The PGDs are always + * passed as the third argument, in order to be passed into + * r2-r3 to the init code (yes, this is compliant with the + * PCS!). */ - kvm_call_hyp((void *)pgd_low, pgd_high, hyp_stack_ptr, vector_ptr); + + kvm_call_hyp(NULL, 0, boot_pgd_ptr); + + kvm_call_hyp((void*)hyp_stack_ptr, vector_ptr, pgd_ptr); } +static inline int kvm_arch_dev_ioctl_check_extension(long ext) +{ + return 0; +} + +int kvm_perf_init(void); +int kvm_perf_teardown(void); + #endif /* __ARM_KVM_HOST_H__ */ diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 970f3b5fa10..472ac709100 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -19,21 +19,33 @@ #ifndef __ARM_KVM_MMU_H__ #define __ARM_KVM_MMU_H__ -#include <asm/cacheflush.h> -#include <asm/pgalloc.h> -#include <asm/idmap.h> +#include <asm/memory.h> +#include <asm/page.h> /* * We directly use the kernel VA for the HYP, as we can directly share * the mapping (HTTBR "covers" TTBR1). */ -#define HYP_PAGE_OFFSET_MASK (~0UL) +#define HYP_PAGE_OFFSET_MASK UL(~0) #define HYP_PAGE_OFFSET PAGE_OFFSET #define KERN_TO_HYP(kva) (kva) +/* + * Our virtual mapping for the boot-time MMU-enable code. Must be + * shared across all the page-tables. Conveniently, we use the vectors + * page, where no kernel data will ever be shared with HYP. + */ +#define TRAMPOLINE_VA UL(CONFIG_VECTORS_BASE) + +#ifndef __ASSEMBLY__ + +#include <asm/cacheflush.h> +#include <asm/pgalloc.h> + int create_hyp_mappings(void *from, void *to); int create_hyp_io_mappings(void *from, void *to, phys_addr_t); -void free_hyp_pmds(void); +void free_boot_hyp_pgd(void); +void free_hyp_pgds(void); int kvm_alloc_stage2_pgd(struct kvm *kvm); void kvm_free_stage2_pgd(struct kvm *kvm); @@ -45,6 +57,8 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run); void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu); phys_addr_t kvm_mmu_get_httbr(void); +phys_addr_t kvm_mmu_get_boot_httbr(void); +phys_addr_t kvm_get_idmap_vector(void); int kvm_mmu_init(void); void kvm_clear_hyp_idmap(void); @@ -114,4 +128,8 @@ static inline void coherent_icache_guest_page(struct kvm *kvm, gfn_t gfn) } } +#define kvm_flush_dcache_to_poc(a,l) __cpuc_flush_dcache_area((a), (l)) + +#endif /* !__ASSEMBLY__ */ + #endif /* __ARM_KVM_MMU_H__ */ diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index e3f75726343..3d520ddca61 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -11,4 +11,6 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); +extern unsigned long long (*sched_clock_func)(void); + #endif diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h index 8a823253d77..799f42ecca6 100644 --- a/arch/arm/include/asm/xen/hypercall.h +++ b/arch/arm/include/asm/xen/hypercall.h @@ -46,6 +46,7 @@ int HYPERVISOR_event_channel_op(int cmd, void *arg); unsigned long HYPERVISOR_hvm_op(int op, void *arg); int HYPERVISOR_memory_op(unsigned int cmd, void *arg); int HYPERVISOR_physdev_op(int cmd, void *arg); +int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args); static inline void MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va, |