diff options
Diffstat (limited to 'drivers/edac/sb_edac.c')
| -rw-r--r-- | drivers/edac/sb_edac.c | 1156 |
1 files changed, 728 insertions, 428 deletions
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 1dc118d83cc..deea0dc9999 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -7,7 +7,7 @@ * GNU General Public License version 2 only. * * Copyright (c) 2011 by: - * Mauro Carvalho Chehab <mchehab@redhat.com> + * Mauro Carvalho Chehab */ #include <linux/module.h> @@ -20,6 +20,7 @@ #include <linux/mmzone.h> #include <linux/smp.h> #include <linux/bitmap.h> +#include <linux/math64.h> #include <asm/processor.h> #include <asm/mce.h> @@ -33,7 +34,7 @@ static int probed; /* * Alter this version for the module when modifications are made */ -#define SBRIDGE_REVISION " Ver: 1.0.0 " +#define SBRIDGE_REVISION " Ver: 1.1.0 " #define EDAC_MOD_STR "sbridge_edac" /* @@ -49,7 +50,7 @@ static int probed; * Get a bit field at register value <v>, from bit <lo> to bit <hi> */ #define GET_BITFIELD(v, lo, hi) \ - (((v) & ((1ULL << ((hi) - (lo) + 1)) - 1) << (lo)) >> (lo)) + (((v) & GENMASK_ULL(hi, lo)) >> (lo)) /* * sbridge Memory Controller Registers @@ -57,7 +58,7 @@ static int probed; /* * FIXME: For now, let's order by device function, as it makes - * easier for driver's development proccess. This table should be + * easier for driver's development process. This table should be * moved to pci_id.h when submitted upstream */ #define PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0 0x3cf4 /* 12.6 */ @@ -82,11 +83,17 @@ static int probed; #define PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_ERR3 0x3c77 /* 16.7 */ /* Devices 12 Function 6, Offsets 0x80 to 0xcc */ -static const u32 dram_rule[] = { +static const u32 sbridge_dram_rule[] = { 0x80, 0x88, 0x90, 0x98, 0xa0, 0xa8, 0xb0, 0xb8, 0xc0, 0xc8, }; -#define MAX_SAD ARRAY_SIZE(dram_rule) + +static const u32 ibridge_dram_rule[] = { + 0x60, 0x68, 0x70, 0x78, 0x80, + 0x88, 0x90, 0x98, 0xa0, 0xa8, + 0xb0, 0xb8, 0xc0, 0xc8, 0xd0, + 0xd8, 0xe0, 0xe8, 0xf0, 0xf8, +}; #define SAD_LIMIT(reg) ((GET_BITFIELD(reg, 6, 25) << 26) | 0x3ffffff) #define DRAM_ATTR(reg) GET_BITFIELD(reg, 2, 3) @@ -107,43 +114,50 @@ static char *get_dram_attr(u32 reg) } } -static const u32 interleave_list[] = { +static const u32 sbridge_interleave_list[] = { 0x84, 0x8c, 0x94, 0x9c, 0xa4, 0xac, 0xb4, 0xbc, 0xc4, 0xcc, }; -#define MAX_INTERLEAVE ARRAY_SIZE(interleave_list) - -#define SAD_PKG0(reg) GET_BITFIELD(reg, 0, 2) -#define SAD_PKG1(reg) GET_BITFIELD(reg, 3, 5) -#define SAD_PKG2(reg) GET_BITFIELD(reg, 8, 10) -#define SAD_PKG3(reg) GET_BITFIELD(reg, 11, 13) -#define SAD_PKG4(reg) GET_BITFIELD(reg, 16, 18) -#define SAD_PKG5(reg) GET_BITFIELD(reg, 19, 21) -#define SAD_PKG6(reg) GET_BITFIELD(reg, 24, 26) -#define SAD_PKG7(reg) GET_BITFIELD(reg, 27, 29) - -static inline int sad_pkg(u32 reg, int interleave) + +static const u32 ibridge_interleave_list[] = { + 0x64, 0x6c, 0x74, 0x7c, 0x84, + 0x8c, 0x94, 0x9c, 0xa4, 0xac, + 0xb4, 0xbc, 0xc4, 0xcc, 0xd4, + 0xdc, 0xe4, 0xec, 0xf4, 0xfc, +}; + +struct interleave_pkg { + unsigned char start; + unsigned char end; +}; + +static const struct interleave_pkg sbridge_interleave_pkg[] = { + { 0, 2 }, + { 3, 5 }, + { 8, 10 }, + { 11, 13 }, + { 16, 18 }, + { 19, 21 }, + { 24, 26 }, + { 27, 29 }, +}; + +static const struct interleave_pkg ibridge_interleave_pkg[] = { + { 0, 3 }, + { 4, 7 }, + { 8, 11 }, + { 12, 15 }, + { 16, 19 }, + { 20, 23 }, + { 24, 27 }, + { 28, 31 }, +}; + +static inline int sad_pkg(const struct interleave_pkg *table, u32 reg, + int interleave) { - switch (interleave) { - case 0: - return SAD_PKG0(reg); - case 1: - return SAD_PKG1(reg); - case 2: - return SAD_PKG2(reg); - case 3: - return SAD_PKG3(reg); - case 4: - return SAD_PKG4(reg); - case 5: - return SAD_PKG5(reg); - case 6: - return SAD_PKG6(reg); - case 7: - return SAD_PKG7(reg); - default: - return -EINVAL; - } + return GET_BITFIELD(reg, table[interleave].start, + table[interleave].end); } /* Devices 12 Function 7 */ @@ -261,7 +275,9 @@ static const u32 correrrthrsld[] = { /* Device 17, function 0 */ -#define RANK_CFG_A 0x0328 +#define SB_RANK_CFG_A 0x0328 + +#define IB_RANK_CFG_A 0x0320 #define IS_RDIMM_ENABLED(reg) GET_BITFIELD(reg, 11, 11) @@ -272,8 +288,23 @@ static const u32 correrrthrsld[] = { #define NUM_CHANNELS 4 #define MAX_DIMMS 3 /* Max DIMMS per channel */ +enum type { + SANDY_BRIDGE, + IVY_BRIDGE, +}; + +struct sbridge_pvt; struct sbridge_info { - u32 mcmtr; + enum type type; + u32 mcmtr; + u32 rankcfgr; + u64 (*get_tolm)(struct sbridge_pvt *pvt); + u64 (*get_tohm)(struct sbridge_pvt *pvt); + const u32 *dram_rule; + const u32 *interleave_list; + const struct interleave_pkg *interleave_pkg; + u8 max_sad; + u8 max_interleave; }; struct sbridge_channel { @@ -304,8 +335,9 @@ struct sbridge_dev { struct sbridge_pvt { struct pci_dev *pci_ta, *pci_ddrio, *pci_ras; - struct pci_dev *pci_sad0, *pci_sad1, *pci_ha0; - struct pci_dev *pci_br; + struct pci_dev *pci_sad0, *pci_sad1; + struct pci_dev *pci_ha0, *pci_ha1; + struct pci_dev *pci_br0, *pci_br1; struct pci_dev *pci_tad[NUM_CHANNELS]; struct sbridge_dev *sbridge_dev; @@ -313,8 +345,6 @@ struct sbridge_pvt { struct sbridge_info info; struct sbridge_channel channel[NUM_CHANNELS]; - int csrow_map[NUM_CHANNELS][MAX_DIMMS]; - /* Memory type detection */ bool is_mirrored, is_lockstep, is_close_pg; @@ -332,30 +362,31 @@ struct sbridge_pvt { u64 tolm, tohm; }; -#define PCI_DESCR(device, function, device_id) \ - .dev = (device), \ - .func = (function), \ - .dev_id = (device_id) +#define PCI_DESCR(device, function, device_id, opt) \ + .dev = (device), \ + .func = (function), \ + .dev_id = (device_id), \ + .optional = opt static const struct pci_id_descr pci_dev_descr_sbridge[] = { /* Processor Home Agent */ - { PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0) }, + { PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_HA0, 0) }, /* Memory controller */ - { PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA) }, - { PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS) }, - { PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0) }, - { PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1) }, - { PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2) }, - { PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3) }, - { PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO) }, + { PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA, 0) }, + { PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_RAS, 0) }, + { PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD0, 0) }, + { PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD1, 0) }, + { PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD2, 0) }, + { PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TAD3, 0) }, + { PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_DDRIO, 1) }, /* System Address Decoder */ - { PCI_DESCR(12, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0) }, - { PCI_DESCR(12, 7, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1) }, + { PCI_DESCR(12, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD0, 0) }, + { PCI_DESCR(12, 7, PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1, 0) }, /* Broadcast Registers */ - { PCI_DESCR(13, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_BR) }, + { PCI_DESCR(13, 6, PCI_DEVICE_ID_INTEL_SBRIDGE_BR, 0) }, }; #define PCI_ID_TABLE_ENTRY(A) { .descr=A, .n_devs = ARRAY_SIZE(A) } @@ -364,17 +395,81 @@ static const struct pci_id_table pci_dev_descr_sbridge_table[] = { {0,} /* 0 terminated list. */ }; +/* This changes depending if 1HA or 2HA: + * 1HA: + * 0x0eb8 (17.0) is DDRIO0 + * 2HA: + * 0x0ebc (17.4) is DDRIO0 + */ +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0 0x0eb8 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0 0x0ebc + +/* pci ids */ +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0 0x0ea0 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA 0x0ea8 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS 0x0e71 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0 0x0eaa +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1 0x0eab +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2 0x0eac +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3 0x0ead +#define PCI_DEVICE_ID_INTEL_IBRIDGE_SAD 0x0ec8 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_BR0 0x0ec9 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_BR1 0x0eca +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1 0x0e60 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA 0x0e68 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS 0x0e79 +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0 0x0e6a +#define PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1 0x0e6b + +static const struct pci_id_descr pci_dev_descr_ibridge[] = { + /* Processor Home Agent */ + { PCI_DESCR(14, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0) }, + + /* Memory controller */ + { PCI_DESCR(15, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0) }, + { PCI_DESCR(15, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS, 0) }, + { PCI_DESCR(15, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD0, 0) }, + { PCI_DESCR(15, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD1, 0) }, + { PCI_DESCR(15, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD2, 0) }, + { PCI_DESCR(15, 5, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0) }, + + /* System Address Decoder */ + { PCI_DESCR(22, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_SAD, 0) }, + + /* Broadcast Registers */ + { PCI_DESCR(22, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_BR0, 1) }, + { PCI_DESCR(22, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_BR1, 0) }, + + /* Optional, mode 2HA */ + { PCI_DESCR(28, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1) }, +#if 0 + { PCI_DESCR(29, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1) }, + { PCI_DESCR(29, 1, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1) }, +#endif + { PCI_DESCR(29, 2, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1) }, + { PCI_DESCR(29, 3, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD1, 1) }, + + { PCI_DESCR(17, 0, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_1HA_DDRIO0, 1) }, + { PCI_DESCR(17, 4, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_2HA_DDRIO0, 1) }, +}; + +static const struct pci_id_table pci_dev_descr_ibridge_table[] = { + PCI_ID_TABLE_ENTRY(pci_dev_descr_ibridge), + {0,} /* 0 terminated list. */ +}; + /* * pci_device_id table for which devices we are looking for */ -static const struct pci_device_id sbridge_pci_tbl[] __devinitdata = { +static const struct pci_device_id sbridge_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SBRIDGE_IMC_TA)}, + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA)}, {0,} /* 0 terminated list. */ }; /**************************************************************************** - Anciliary status routines + Ancillary status routines ****************************************************************************/ static inline int numrank(u32 mtr) @@ -382,8 +477,8 @@ static inline int numrank(u32 mtr) int ranks = (1 << RANK_CNT_BITS(mtr)); if (ranks > 4) { - debugf0("Invalid number of ranks: %d (max = 4) raw value = %x (%04x)", - ranks, (unsigned int)RANK_CNT_BITS(mtr), mtr); + edac_dbg(0, "Invalid number of ranks: %d (max = 4) raw value = %x (%04x)\n", + ranks, (unsigned int)RANK_CNT_BITS(mtr), mtr); return -EINVAL; } @@ -395,8 +490,8 @@ static inline int numrow(u32 mtr) int rows = (RANK_WIDTH_BITS(mtr) + 12); if (rows < 13 || rows > 18) { - debugf0("Invalid number of rows: %d (should be between 14 and 17) raw value = %x (%04x)", - rows, (unsigned int)RANK_WIDTH_BITS(mtr), mtr); + edac_dbg(0, "Invalid number of rows: %d (should be between 14 and 17) raw value = %x (%04x)\n", + rows, (unsigned int)RANK_WIDTH_BITS(mtr), mtr); return -EINVAL; } @@ -408,8 +503,8 @@ static inline int numcol(u32 mtr) int cols = (COL_WIDTH_BITS(mtr) + 10); if (cols > 12) { - debugf0("Invalid number of cols: %d (max = 4) raw value = %x (%04x)", - cols, (unsigned int)COL_WIDTH_BITS(mtr), mtr); + edac_dbg(0, "Invalid number of cols: %d (max = 4) raw value = %x (%04x)\n", + cols, (unsigned int)COL_WIDTH_BITS(mtr), mtr); return -EINVAL; } @@ -458,6 +553,52 @@ static void free_sbridge_dev(struct sbridge_dev *sbridge_dev) kfree(sbridge_dev); } +static u64 sbridge_get_tolm(struct sbridge_pvt *pvt) +{ + u32 reg; + + /* Address range is 32:28 */ + pci_read_config_dword(pvt->pci_sad1, TOLM, ®); + return GET_TOLM(reg); +} + +static u64 sbridge_get_tohm(struct sbridge_pvt *pvt) +{ + u32 reg; + + pci_read_config_dword(pvt->pci_sad1, TOHM, ®); + return GET_TOHM(reg); +} + +static u64 ibridge_get_tolm(struct sbridge_pvt *pvt) +{ + u32 reg; + + pci_read_config_dword(pvt->pci_br1, TOLM, ®); + + return GET_TOLM(reg); +} + +static u64 ibridge_get_tohm(struct sbridge_pvt *pvt) +{ + u32 reg; + + pci_read_config_dword(pvt->pci_br1, TOHM, ®); + + return GET_TOHM(reg); +} + +static inline u8 sad_pkg_socket(u8 pkg) +{ + /* on Ivy Bridge, nodeID is SASS, where A is HA and S is node id */ + return (pkg >> 3) | (pkg & 0x3); +} + +static inline u8 sad_pkg_ha(u8 pkg) +{ + return (pkg >> 2) & 0x1; +} + /**************************************************************************** Memory check routines ****************************************************************************/ @@ -476,8 +617,8 @@ static struct pci_dev *get_pdev_slot_func(u8 bus, unsigned slot, if (PCI_SLOT(sbridge_dev->pdev[i]->devfn) == slot && PCI_FUNC(sbridge_dev->pdev[i]->devfn) == func) { - debugf1("Associated %02x.%02x.%d with %p\n", - bus, slot, func, sbridge_dev->pdev[i]); + edac_dbg(1, "Associated %02x.%02x.%d with %p\n", + bus, slot, func, sbridge_dev->pdev[i]); return sbridge_dev->pdev[i]; } } @@ -486,29 +627,14 @@ static struct pci_dev *get_pdev_slot_func(u8 bus, unsigned slot, } /** - * sbridge_get_active_channels() - gets the number of channels and csrows + * check_if_ecc_is_active() - Checks if ECC is active * bus: Device bus - * @channels: Number of channels that will be returned - * @csrows: Number of csrows found - * - * Since EDAC core needs to know in advance the number of available channels - * and csrows, in order to allocate memory for csrows/channels, it is needed - * to run two similar steps. At the first step, implemented on this function, - * it checks the number of csrows/channels present at one socket, identified - * by the associated PCI bus. - * this is used in order to properly allocate the size of mci components. - * Note: one csrow is one dimm. */ -static int sbridge_get_active_channels(const u8 bus, unsigned *channels, - unsigned *csrows) +static int check_if_ecc_is_active(const u8 bus) { struct pci_dev *pdev = NULL; - int i, j; u32 mcmtr; - *channels = 0; - *csrows = 0; - pdev = get_pdev_slot_func(bus, 15, 0); if (!pdev) { sbridge_printk(KERN_ERR, "Couldn't find PCI device " @@ -522,90 +648,70 @@ static int sbridge_get_active_channels(const u8 bus, unsigned *channels, sbridge_printk(KERN_ERR, "ECC is disabled. Aborting\n"); return -ENODEV; } - - for (i = 0; i < NUM_CHANNELS; i++) { - u32 mtr; - - /* Device 15 functions 2 - 5 */ - pdev = get_pdev_slot_func(bus, 15, 2 + i); - if (!pdev) { - sbridge_printk(KERN_ERR, "Couldn't find PCI device " - "%2x.%02d.%d!!!\n", - bus, 15, 2 + i); - return -ENODEV; - } - (*channels)++; - - for (j = 0; j < ARRAY_SIZE(mtr_regs); j++) { - pci_read_config_dword(pdev, mtr_regs[j], &mtr); - debugf1("Bus#%02x channel #%d MTR%d = %x\n", bus, i, j, mtr); - if (IS_DIMM_PRESENT(mtr)) - (*csrows)++; - } - } - - debugf0("Number of active channels: %d, number of active dimms: %d\n", - *channels, *csrows); - return 0; } -static int get_dimm_config(const struct mem_ctl_info *mci) +static int get_dimm_config(struct mem_ctl_info *mci) { struct sbridge_pvt *pvt = mci->pvt_info; - struct csrow_info *csr; - int i, j, banks, ranks, rows, cols, size, npages; - int csrow = 0; - unsigned long last_page = 0; + struct dimm_info *dimm; + unsigned i, j, banks, ranks, rows, cols, npages; + u64 size; u32 reg; enum edac_type mode; enum mem_type mtype; - pci_read_config_dword(pvt->pci_br, SAD_TARGET, ®); + pci_read_config_dword(pvt->pci_br0, SAD_TARGET, ®); pvt->sbridge_dev->source_id = SOURCE_ID(reg); - pci_read_config_dword(pvt->pci_br, SAD_CONTROL, ®); + pci_read_config_dword(pvt->pci_br0, SAD_CONTROL, ®); pvt->sbridge_dev->node_id = NODE_ID(reg); - debugf0("mc#%d: Node ID: %d, source ID: %d\n", - pvt->sbridge_dev->mc, - pvt->sbridge_dev->node_id, - pvt->sbridge_dev->source_id); + edac_dbg(0, "mc#%d: Node ID: %d, source ID: %d\n", + pvt->sbridge_dev->mc, + pvt->sbridge_dev->node_id, + pvt->sbridge_dev->source_id); pci_read_config_dword(pvt->pci_ras, RASENABLES, ®); if (IS_MIRROR_ENABLED(reg)) { - debugf0("Memory mirror is enabled\n"); + edac_dbg(0, "Memory mirror is enabled\n"); pvt->is_mirrored = true; } else { - debugf0("Memory mirror is disabled\n"); + edac_dbg(0, "Memory mirror is disabled\n"); pvt->is_mirrored = false; } pci_read_config_dword(pvt->pci_ta, MCMTR, &pvt->info.mcmtr); if (IS_LOCKSTEP_ENABLED(pvt->info.mcmtr)) { - debugf0("Lockstep is enabled\n"); + edac_dbg(0, "Lockstep is enabled\n"); mode = EDAC_S8ECD8ED; pvt->is_lockstep = true; } else { - debugf0("Lockstep is disabled\n"); + edac_dbg(0, "Lockstep is disabled\n"); mode = EDAC_S4ECD4ED; pvt->is_lockstep = false; } if (IS_CLOSE_PG(pvt->info.mcmtr)) { - debugf0("address map is on closed page mode\n"); + edac_dbg(0, "address map is on closed page mode\n"); pvt->is_close_pg = true; } else { - debugf0("address map is on open page mode\n"); + edac_dbg(0, "address map is on open page mode\n"); pvt->is_close_pg = false; } - pci_read_config_dword(pvt->pci_ta, RANK_CFG_A, ®); - if (IS_RDIMM_ENABLED(reg)) { - /* FIXME: Can also be LRDIMM */ - debugf0("Memory is registered\n"); - mtype = MEM_RDDR3; + if (pvt->pci_ddrio) { + pci_read_config_dword(pvt->pci_ddrio, pvt->info.rankcfgr, + ®); + if (IS_RDIMM_ENABLED(reg)) { + /* FIXME: Can also be LRDIMM */ + edac_dbg(0, "Memory is registered\n"); + mtype = MEM_RDDR3; + } else { + edac_dbg(0, "Memory is unregistered\n"); + mtype = MEM_DDR3; + } } else { - debugf0("Memory is unregistered\n"); - mtype = MEM_DDR3; + edac_dbg(0, "Cannot determine memory type\n"); + mtype = MEM_UNKNOWN; } /* On all supported DDR3 DIMM types, there are 8 banks available */ @@ -615,9 +721,11 @@ static int get_dimm_config(const struct mem_ctl_info *mci) u32 mtr; for (j = 0; j < ARRAY_SIZE(mtr_regs); j++) { + dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers, + i, j, 0); pci_read_config_dword(pvt->pci_tad[i], mtr_regs[j], &mtr); - debugf4("Channel #%d MTR%d = %x\n", i, j, mtr); + edac_dbg(4, "Channel #%d MTR%d = %x\n", i, j, mtr); if (IS_DIMM_PRESENT(mtr)) { pvt->channel[i].dimms++; @@ -626,36 +734,22 @@ static int get_dimm_config(const struct mem_ctl_info *mci) cols = numcol(mtr); /* DDR3 has 8 I/O banks */ - size = (rows * cols * banks * ranks) >> (20 - 3); + size = ((u64)rows * cols * banks * ranks) >> (20 - 3); npages = MiB_TO_PAGES(size); - debugf0("mc#%d: channel %d, dimm %d, %d Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n", - pvt->sbridge_dev->mc, i, j, - size, npages, - banks, ranks, rows, cols); - csr = &mci->csrows[csrow]; - - csr->first_page = last_page; - csr->last_page = last_page + npages - 1; - csr->page_mask = 0UL; /* Unused */ - csr->nr_pages = npages; - csr->grain = 32; - csr->csrow_idx = csrow; - csr->dtype = (banks == 8) ? DEV_X8 : DEV_X4; - csr->ce_count = 0; - csr->ue_count = 0; - csr->mtype = mtype; - csr->edac_mode = mode; - csr->nr_channels = 1; - csr->channels[0].chan_idx = i; - csr->channels[0].ce_count = 0; - pvt->csrow_map[i][j] = csrow; - snprintf(csr->channels[0].label, - sizeof(csr->channels[0].label), + edac_dbg(0, "mc#%d: channel %d, dimm %d, %Ld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n", + pvt->sbridge_dev->mc, i, j, + size, npages, + banks, ranks, rows, cols); + + dimm->nr_pages = npages; + dimm->grain = 32; + dimm->dtype = (banks == 8) ? DEV_X8 : DEV_X4; + dimm->mtype = mtype; + dimm->edac_mode = mode; + snprintf(dimm->label, sizeof(dimm->label), "CPU_SrcID#%u_Channel#%u_DIMM#%u", pvt->sbridge_dev->source_id, i, j); - last_page += npages; - csrow++; } } } @@ -670,29 +764,25 @@ static void get_memory_layout(const struct mem_ctl_info *mci) u32 reg; u64 limit, prv = 0; u64 tmp_mb; + u32 mb, kb; u32 rir_way; /* * Step 1) Get TOLM/TOHM ranges */ - /* Address range is 32:28 */ - pci_read_config_dword(pvt->pci_sad1, TOLM, - ®); - pvt->tolm = GET_TOLM(reg); + pvt->tolm = pvt->info.get_tolm(pvt); tmp_mb = (1 + pvt->tolm) >> 20; - debugf0("TOLM: %Lu.%03Lu GB (0x%016Lx)\n", - tmp_mb / 1000, tmp_mb % 1000, (u64)pvt->tolm); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "TOLM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tolm); /* Address range is already 45:25 */ - pci_read_config_dword(pvt->pci_sad1, TOHM, - ®); - pvt->tohm = GET_TOHM(reg); + pvt->tohm = pvt->info.get_tohm(pvt); tmp_mb = (1 + pvt->tohm) >> 20; - debugf0("TOHM: %Lu.%03Lu GB (0x%016Lx)", - tmp_mb / 1000, tmp_mb % 1000, (u64)pvt->tohm); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "TOHM: %u.%03u GB (0x%016Lx)\n", mb, kb, (u64)pvt->tohm); /* * Step 2) Get SAD range and SAD Interleave list @@ -701,9 +791,9 @@ static void get_memory_layout(const struct mem_ctl_info *mci) * algorithm bellow. */ prv = 0; - for (n_sads = 0; n_sads < MAX_SAD; n_sads++) { + for (n_sads = 0; n_sads < pvt->info.max_sad; n_sads++) { /* SAD_LIMIT Address range is 45:26 */ - pci_read_config_dword(pvt->pci_sad0, dram_rule[n_sads], + pci_read_config_dword(pvt->pci_sad0, pvt->info.dram_rule[n_sads], ®); limit = SAD_LIMIT(reg); @@ -714,24 +804,26 @@ static void get_memory_layout(const struct mem_ctl_info *mci) break; tmp_mb = (limit + 1) >> 20; - debugf0("SAD#%d %s up to %Lu.%03Lu GB (0x%016Lx) %s reg=0x%08x\n", - n_sads, - get_dram_attr(reg), - tmp_mb / 1000, tmp_mb % 1000, - ((u64)tmp_mb) << 20L, - INTERLEAVE_MODE(reg) ? "Interleave: 8:6" : "Interleave: [8:6]XOR[18:16]", - reg); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "SAD#%d %s up to %u.%03u GB (0x%016Lx) Interleave: %s reg=0x%08x\n", + n_sads, + get_dram_attr(reg), + mb, kb, + ((u64)tmp_mb) << 20L, + INTERLEAVE_MODE(reg) ? "8:6" : "[8:6]XOR[18:16]", + reg); prv = limit; - pci_read_config_dword(pvt->pci_sad0, interleave_list[n_sads], + pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads], ®); - sad_interl = sad_pkg(reg, 0); + sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0); for (j = 0; j < 8; j++) { - if (j > 0 && sad_interl == sad_pkg(reg, j)) + u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, j); + if (j > 0 && sad_interl == pkg) break; - debugf0("SAD#%d, interleave #%d: %d\n", - n_sads, j, sad_pkg(reg, j)); + edac_dbg(0, "SAD#%d, interleave #%d: %d\n", + n_sads, j, pkg); } } @@ -747,17 +839,18 @@ static void get_memory_layout(const struct mem_ctl_info *mci) break; tmp_mb = (limit + 1) >> 20; - debugf0("TAD#%d: up to %Lu.%03Lu GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n", - n_tads, tmp_mb / 1000, tmp_mb % 1000, - ((u64)tmp_mb) << 20L, - (u32)TAD_SOCK(reg), - (u32)TAD_CH(reg), - (u32)TAD_TGT0(reg), - (u32)TAD_TGT1(reg), - (u32)TAD_TGT2(reg), - (u32)TAD_TGT3(reg), - reg); - prv = tmp_mb; + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "TAD#%d: up to %u.%03u GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n", + n_tads, mb, kb, + ((u64)tmp_mb) << 20L, + (u32)TAD_SOCK(reg), + (u32)TAD_CH(reg), + (u32)TAD_TGT0(reg), + (u32)TAD_TGT1(reg), + (u32)TAD_TGT2(reg), + (u32)TAD_TGT3(reg), + reg); + prv = limit; } /* @@ -771,11 +864,12 @@ static void get_memory_layout(const struct mem_ctl_info *mci) tad_ch_nilv_offset[j], ®); tmp_mb = TAD_OFFSET(reg) >> 20; - debugf0("TAD CH#%d, offset #%d: %Lu.%03Lu GB (0x%016Lx), reg=0x%08x\n", - i, j, - tmp_mb / 1000, tmp_mb % 1000, - ((u64)tmp_mb) << 20L, - reg); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "TAD CH#%d, offset #%d: %u.%03u GB (0x%016Lx), reg=0x%08x\n", + i, j, + mb, kb, + ((u64)tmp_mb) << 20L, + reg); } } @@ -795,12 +889,13 @@ static void get_memory_layout(const struct mem_ctl_info *mci) tmp_mb = RIR_LIMIT(reg) >> 20; rir_way = 1 << RIR_WAY(reg); - debugf0("CH#%d RIR#%d, limit: %Lu.%03Lu GB (0x%016Lx), way: %d, reg=0x%08x\n", - i, j, - tmp_mb / 1000, tmp_mb % 1000, - ((u64)tmp_mb) << 20L, - rir_way, - reg); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "CH#%d RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d, reg=0x%08x\n", + i, j, + mb, kb, + ((u64)tmp_mb) << 20L, + rir_way, + reg); for (k = 0; k < rir_way; k++) { pci_read_config_dword(pvt->pci_tad[i], @@ -808,18 +903,19 @@ static void get_memory_layout(const struct mem_ctl_info *mci) ®); tmp_mb = RIR_OFFSET(reg) << 6; - debugf0("CH#%d RIR#%d INTL#%d, offset %Lu.%03Lu GB (0x%016Lx), tgt: %d, reg=0x%08x\n", - i, j, k, - tmp_mb / 1000, tmp_mb % 1000, - ((u64)tmp_mb) << 20L, - (u32)RIR_RNK_TGT(reg), - reg); + mb = div_u64_rem(tmp_mb, 1000, &kb); + edac_dbg(0, "CH#%d RIR#%d INTL#%d, offset %u.%03u GB (0x%016Lx), tgt: %d, reg=0x%08x\n", + i, j, k, + mb, kb, + ((u64)tmp_mb) << 20L, + (u32)RIR_RNK_TGT(reg), + reg); } } } } -struct mem_ctl_info *get_mci_for_node_id(u8 node_id) +static struct mem_ctl_info *get_mci_for_node_id(u8 node_id) { struct sbridge_dev *sbridge_dev; @@ -835,20 +931,21 @@ static int get_memory_error_data(struct mem_ctl_info *mci, u8 *socket, long *channel_mask, u8 *rank, - char *area_type) + char **area_type, char *msg) { struct mem_ctl_info *new_mci; struct sbridge_pvt *pvt = mci->pvt_info; - char msg[256]; + struct pci_dev *pci_ha; int n_rir, n_sads, n_tads, sad_way, sck_xch; int sad_interl, idx, base_ch; int interleave_mode; - unsigned sad_interleave[MAX_INTERLEAVE]; + unsigned sad_interleave[pvt->info.max_interleave]; u32 reg; - u8 ch_way,sck_way; + u8 ch_way, sck_way, pkg, sad_ha = 0; u32 tad_offset; u32 rir_way; - u64 ch_addr, offset, limit, prv = 0; + u32 mb, kb; + u64 ch_addr, offset, limit = 0, prv = 0; /* @@ -858,22 +955,20 @@ static int get_memory_error_data(struct mem_ctl_info *mci, * range (e. g. VGA addresses). It is unlikely, however, that the * memory controller would generate an error on that range. */ - if ((addr > (u64) pvt->tolm) && (addr < (1L << 32))) { + if ((addr > (u64) pvt->tolm) && (addr < (1LL << 32))) { sprintf(msg, "Error at TOLM area, on addr 0x%08Lx", addr); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } if (addr >= (u64)pvt->tohm) { sprintf(msg, "Error at MMIOH area, on addr 0x%016Lx", addr); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } /* * Step 1) Get socket */ - for (n_sads = 0; n_sads < MAX_SAD; n_sads++) { - pci_read_config_dword(pvt->pci_sad0, dram_rule[n_sads], + for (n_sads = 0; n_sads < pvt->info.max_sad; n_sads++) { + pci_read_config_dword(pvt->pci_sad0, pvt->info.dram_rule[n_sads], ®); if (!DRAM_RULE_ENABLE(reg)) @@ -882,62 +977,71 @@ static int get_memory_error_data(struct mem_ctl_info *mci, limit = SAD_LIMIT(reg); if (limit <= prv) { sprintf(msg, "Can't discover the memory socket"); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } if (addr <= limit) break; prv = limit; } - if (n_sads == MAX_SAD) { + if (n_sads == pvt->info.max_sad) { sprintf(msg, "Can't discover the memory socket"); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } - area_type = get_dram_attr(reg); + *area_type = get_dram_attr(reg); interleave_mode = INTERLEAVE_MODE(reg); - pci_read_config_dword(pvt->pci_sad0, interleave_list[n_sads], + pci_read_config_dword(pvt->pci_sad0, pvt->info.interleave_list[n_sads], ®); - sad_interl = sad_pkg(reg, 0); - for (sad_way = 0; sad_way < 8; sad_way++) { - if (sad_way > 0 && sad_interl == sad_pkg(reg, sad_way)) + + if (pvt->info.type == SANDY_BRIDGE) { + sad_interl = sad_pkg(pvt->info.interleave_pkg, reg, 0); + for (sad_way = 0; sad_way < 8; sad_way++) { + u32 pkg = sad_pkg(pvt->info.interleave_pkg, reg, sad_way); + if (sad_way > 0 && sad_interl == pkg) + break; + sad_interleave[sad_way] = pkg; + edac_dbg(0, "SAD interleave #%d: %d\n", + sad_way, sad_interleave[sad_way]); + } + edac_dbg(0, "mc#%d: Error detected on SAD#%d: address 0x%016Lx < 0x%016Lx, Interleave [%d:6]%s\n", + pvt->sbridge_dev->mc, + n_sads, + addr, + limit, + sad_way + 7, + !interleave_mode ? "" : "XOR[18:16]"); + if (interleave_mode) + idx = ((addr >> 6) ^ (addr >> 16)) & 7; + else + idx = (addr >> 6) & 7; + switch (sad_way) { + case 1: + idx = 0; break; - sad_interleave[sad_way] = sad_pkg(reg, sad_way); - debugf0("SAD interleave #%d: %d\n", - sad_way, sad_interleave[sad_way]); - } - debugf0("mc#%d: Error detected on SAD#%d: address 0x%016Lx < 0x%016Lx, Interleave [%d:6]%s\n", - pvt->sbridge_dev->mc, - n_sads, - addr, - limit, - sad_way + 7, - INTERLEAVE_MODE(reg) ? "" : "XOR[18:16]"); - if (interleave_mode) - idx = ((addr >> 6) ^ (addr >> 16)) & 7; - else + case 2: + idx = idx & 1; + break; + case 4: + idx = idx & 3; + break; + case 8: + break; + default: + sprintf(msg, "Can't discover socket interleave"); + return -EINVAL; + } + *socket = sad_interleave[idx]; + edac_dbg(0, "SAD interleave index: %d (wayness %d) = CPU socket %d\n", + idx, sad_way, *socket); + } else { + /* Ivy Bridge's SAD mode doesn't support XOR interleave mode */ idx = (addr >> 6) & 7; - switch (sad_way) { - case 1: - idx = 0; - break; - case 2: - idx = idx & 1; - break; - case 4: - idx = idx & 3; - break; - case 8: - break; - default: - sprintf(msg, "Can't discover socket interleave"); - edac_mc_handle_ce_no_info(mci, msg); - return -EINVAL; + pkg = sad_pkg(pvt->info.interleave_pkg, reg, idx); + *socket = sad_pkg_socket(pkg); + sad_ha = sad_pkg_ha(pkg); + edac_dbg(0, "SAD interleave package: %d = CPU socket %d, HA %d\n", + idx, *socket, sad_ha); } - *socket = sad_interleave[idx]; - debugf0("SAD interleave index: %d (wayness %d) = CPU socket %d\n", - idx, sad_way, *socket); /* * Move to the proper node structure, in order to access the @@ -947,7 +1051,6 @@ static int get_memory_error_data(struct mem_ctl_info *mci, if (!new_mci) { sprintf(msg, "Struct for socket #%u wasn't initialized", *socket); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } mci = new_mci; @@ -957,27 +1060,32 @@ static int get_memory_error_data(struct mem_ctl_info *mci, * Step 2) Get memory channel */ prv = 0; + if (pvt->info.type == SANDY_BRIDGE) + pci_ha = pvt->pci_ha0; + else { + if (sad_ha) + pci_ha = pvt->pci_ha1; + else + pci_ha = pvt->pci_ha0; + } for (n_tads = 0; n_tads < MAX_TAD; n_tads++) { - pci_read_config_dword(pvt->pci_ha0, tad_dram_rule[n_tads], - ®); + pci_read_config_dword(pci_ha, tad_dram_rule[n_tads], ®); limit = TAD_LIMIT(reg); if (limit <= prv) { sprintf(msg, "Can't discover the memory channel"); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } if (addr <= limit) break; prv = limit; } + if (n_tads == MAX_TAD) { + sprintf(msg, "Can't discover the memory channel"); + return -EINVAL; + } + ch_way = TAD_CH(reg) + 1; sck_way = TAD_SOCK(reg) + 1; - /* - * FIXME: Is it right to always use channel 0 for offsets? - */ - pci_read_config_dword(pvt->pci_tad[0], - tad_ch_nilv_offset[n_tads], - &tad_offset); if (ch_way == 3) idx = addr >> 6; @@ -1003,11 +1111,14 @@ static int get_memory_error_data(struct mem_ctl_info *mci, break; default: sprintf(msg, "Can't discover the TAD target"); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } *channel_mask = 1 << base_ch; + pci_read_config_dword(pvt->pci_tad[base_ch], + tad_ch_nilv_offset[n_tads], + &tad_offset); + if (pvt->is_mirrored) { *channel_mask |= 1 << ((base_ch + 2) % 4); switch(ch_way) { @@ -1017,7 +1128,6 @@ static int get_memory_error_data(struct mem_ctl_info *mci, break; default: sprintf(msg, "Invalid mirror set. Can't decode addr"); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } } else @@ -1028,16 +1138,16 @@ static int get_memory_error_data(struct mem_ctl_info *mci, offset = TAD_OFFSET(tad_offset); - debugf0("TAD#%d: address 0x%016Lx < 0x%016Lx, socket interleave %d, channel interleave %d (offset 0x%08Lx), index %d, base ch: %d, ch mask: 0x%02lx\n", - n_tads, - addr, - limit, - (u32)TAD_SOCK(reg), - ch_way, - offset, - idx, - base_ch, - *channel_mask); + edac_dbg(0, "TAD#%d: address 0x%016Lx < 0x%016Lx, socket interleave %d, channel interleave %d (offset 0x%08Lx), index %d, base ch: %d, ch mask: 0x%02lx\n", + n_tads, + addr, + limit, + (u32)TAD_SOCK(reg), + ch_way, + offset, + idx, + base_ch, + *channel_mask); /* Calculate channel address */ /* Remove the TAD offset */ @@ -1045,7 +1155,6 @@ static int get_memory_error_data(struct mem_ctl_info *mci, if (offset > addr) { sprintf(msg, "Can't calculate ch addr: TAD offset 0x%08Lx is too high for addr 0x%08Lx!", offset, addr); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } addr -= offset; @@ -1053,7 +1162,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, ch_addr = addr & 0x7f; /* Remove socket wayness and remove 6 bits */ addr >>= 6; - addr /= sck_xch; + addr = div_u64(addr, sck_xch); #if 0 /* Divide by channel way */ addr = addr / ch_way; @@ -1073,19 +1182,18 @@ static int get_memory_error_data(struct mem_ctl_info *mci, continue; limit = RIR_LIMIT(reg); - - debugf0("RIR#%d, limit: %Lu.%03Lu GB (0x%016Lx), way: %d\n", - n_rir, - (limit >> 20) / 1000, (limit >> 20) % 1000, - limit, - 1 << RIR_WAY(reg)); + mb = div_u64_rem(limit >> 20, 1000, &kb); + edac_dbg(0, "RIR#%d, limit: %u.%03u GB (0x%016Lx), way: %d\n", + n_rir, + mb, kb, + limit, + 1 << RIR_WAY(reg)); if (ch_addr <= limit) break; } if (n_rir == MAX_RIR_RANGES) { sprintf(msg, "Can't discover the memory rank for ch addr 0x%08Lx", ch_addr); - edac_mc_handle_ce_no_info(mci, msg); return -EINVAL; } rir_way = RIR_WAY(reg); @@ -1100,12 +1208,12 @@ static int get_memory_error_data(struct mem_ctl_info *mci, ®); *rank = RIR_RNK_TGT(reg); - debugf0("RIR#%d: channel address 0x%08Lx < 0x%08Lx, RIR interleave %d, index %d\n", - n_rir, - ch_addr, - limit, - rir_way, - idx); + edac_dbg(0, "RIR#%d: channel address 0x%08Lx < 0x%08Lx, RIR interleave %d, index %d\n", + n_rir, + ch_addr, + limit, + rir_way, + idx); return 0; } @@ -1122,14 +1230,14 @@ static void sbridge_put_devices(struct sbridge_dev *sbridge_dev) { int i; - debugf0(__FILE__ ": %s()\n", __func__); + edac_dbg(0, "\n"); for (i = 0; i < sbridge_dev->n_devs; i++) { struct pci_dev *pdev = sbridge_dev->pdev[i]; if (!pdev) continue; - debugf0("Removing dev %02x:%02x.%d\n", - pdev->bus->number, - PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); + edac_dbg(0, "Removing dev %02x:%02x.%d\n", + pdev->bus->number, + PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn)); pci_dev_put(pdev); } } @@ -1144,12 +1252,6 @@ static void sbridge_put_all_devices(void) } } -/* - * sbridge_get_all_devices Find and perform 'get' operation on the MCH's - * device/functions we want to reference for this driver - * - * Need to 'get' device 16 func 1 and func 2 - */ static int sbridge_get_onedevice(struct pci_dev **prev, u8 *num_mc, const struct pci_id_table *table, @@ -1161,7 +1263,7 @@ static int sbridge_get_onedevice(struct pci_dev **prev, struct pci_dev *pdev = NULL; u8 bus = 0; - sbridge_printk(KERN_INFO, + sbridge_printk(KERN_DEBUG, "Seeking for: dev %02x.%d PCI ID %04x:%04x\n", dev_descr->dev, dev_descr->func, PCI_VENDOR_ID_INTEL, dev_descr->dev_id); @@ -1235,10 +1337,9 @@ static int sbridge_get_onedevice(struct pci_dev **prev, return -ENODEV; } - debugf0("Detected dev %02x:%d.%d PCI ID %04x:%04x\n", - bus, dev_descr->dev, - dev_descr->func, - PCI_VENDOR_ID_INTEL, dev_descr->dev_id); + edac_dbg(0, "Detected dev %02x:%d.%d PCI ID %04x:%04x\n", + bus, dev_descr->dev, dev_descr->func, + PCI_VENDOR_ID_INTEL, dev_descr->dev_id); /* * As stated on drivers/pci/search.c, the reference count for @@ -1252,11 +1353,21 @@ static int sbridge_get_onedevice(struct pci_dev **prev, return 0; } -static int sbridge_get_all_devices(u8 *num_mc) +/* + * sbridge_get_all_devices - Find and perform 'get' operation on the MCH's + * device/functions we want to reference for this driver. + * Need to 'get' device 16 func 1 and func 2. + * @num_mc: pointer to the memory controllers count, to be incremented in case + * of success. + * @table: model specific table + * + * returns 0 in case of success or error code + */ +static int sbridge_get_all_devices(u8 *num_mc, + const struct pci_id_table *table) { int i, rc; struct pci_dev *pdev = NULL; - const struct pci_id_table *table = pci_dev_descr_sbridge_table; while (table && table->descr) { for (i = 0; i < table->n_devs; i++) { @@ -1280,8 +1391,8 @@ static int sbridge_get_all_devices(u8 *num_mc) return 0; } -static int mci_bind_devs(struct mem_ctl_info *mci, - struct sbridge_dev *sbridge_dev) +static int sbridge_mci_bind_devs(struct mem_ctl_info *mci, + struct sbridge_dev *sbridge_dev) { struct sbridge_pvt *pvt = mci->pvt_info; struct pci_dev *pdev; @@ -1309,7 +1420,7 @@ static int mci_bind_devs(struct mem_ctl_info *mci, case 13: switch (func) { case 6: - pvt->pci_br = pdev; + pvt->pci_br0 = pdev; break; default: goto error; @@ -1355,16 +1466,15 @@ static int mci_bind_devs(struct mem_ctl_info *mci, goto error; } - debugf0("Associated PCI %02x.%02d.%d with dev = %p\n", - sbridge_dev->bus, - PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), - pdev); + edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n", + sbridge_dev->bus, + PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), + pdev); } /* Check if everything were registered */ if (!pvt->pci_sad0 || !pvt->pci_sad1 || !pvt->pci_ha0 || - !pvt-> pci_tad || !pvt->pci_ras || !pvt->pci_ta || - !pvt->pci_ddrio) + !pvt-> pci_tad || !pvt->pci_ras || !pvt->pci_ta) goto enodev; for (i = 0; i < NUM_CHANNELS; i++) { @@ -1384,6 +1494,131 @@ error: return -EINVAL; } +static int ibridge_mci_bind_devs(struct mem_ctl_info *mci, + struct sbridge_dev *sbridge_dev) +{ + struct sbridge_pvt *pvt = mci->pvt_info; + struct pci_dev *pdev, *tmp; + int i, func, slot; + bool mode_2ha = false; + + tmp = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, NULL); + if (tmp) { + mode_2ha = true; + pci_dev_put(tmp); + } + + for (i = 0; i < sbridge_dev->n_devs; i++) { + pdev = sbridge_dev->pdev[i]; + if (!pdev) + continue; + slot = PCI_SLOT(pdev->devfn); + func = PCI_FUNC(pdev->devfn); + + switch (slot) { + case 14: + if (func == 0) { + pvt->pci_ha0 = pdev; + break; + } + goto error; + case 15: + switch (func) { + case 0: + pvt->pci_ta = pdev; + break; + case 1: + pvt->pci_ras = pdev; + break; + case 4: + case 5: + /* if we have 2 HAs active, channels 2 and 3 + * are in other device */ + if (mode_2ha) + break; + /* fall through */ + case 2: + case 3: + pvt->pci_tad[func - 2] = pdev; + break; + default: + goto error; + } + break; + case 17: + if (func == 4) { + pvt->pci_ddrio = pdev; + break; + } else if (func == 0) { + if (!mode_2ha) + pvt->pci_ddrio = pdev; + break; + } + goto error; + case 22: + switch (func) { + case 0: + pvt->pci_sad0 = pdev; + break; + case 1: + pvt->pci_br0 = pdev; + break; + case 2: + pvt->pci_br1 = pdev; + break; + default: + goto error; + } + break; + case 28: + if (func == 0) { + pvt->pci_ha1 = pdev; + break; + } + goto error; + case 29: + /* we shouldn't have this device if we have just one + * HA present */ + WARN_ON(!mode_2ha); + if (func == 2 || func == 3) { + pvt->pci_tad[func] = pdev; + break; + } + goto error; + default: + goto error; + } + + edac_dbg(0, "Associated PCI %02x.%02d.%d with dev = %p\n", + sbridge_dev->bus, + PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), + pdev); + } + + /* Check if everything were registered */ + if (!pvt->pci_sad0 || !pvt->pci_ha0 || !pvt->pci_br0 || + !pvt->pci_br1 || !pvt->pci_tad || !pvt->pci_ras || + !pvt->pci_ta) + goto enodev; + + for (i = 0; i < NUM_CHANNELS; i++) { + if (!pvt->pci_tad[i]) + goto enodev; + } + return 0; + +enodev: + sbridge_printk(KERN_ERR, "Some needed devices are missing\n"); + return -ENODEV; + +error: + sbridge_printk(KERN_ERR, + "Device %d, function %d is out of the expected range\n", + slot, func); + return -EINVAL; +} + /**************************************************************************** Error check routines ****************************************************************************/ @@ -1399,11 +1634,12 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, { struct mem_ctl_info *new_mci; struct sbridge_pvt *pvt = mci->pvt_info; - char *type, *optype, *msg, *recoverable_msg; + enum hw_event_mc_err_type tp_event; + char *type, *optype, msg[256]; bool ripv = GET_BITFIELD(m->mcgstatus, 0, 0); bool overflow = GET_BITFIELD(m->status, 62, 62); bool uncorrected_error = GET_BITFIELD(m->status, 61, 61); - bool recoverable = GET_BITFIELD(m->status, 56, 56); + bool recoverable; u32 core_err_cnt = GET_BITFIELD(m->status, 38, 52); u32 mscod = GET_BITFIELD(m->status, 16, 31); u32 errcode = GET_BITFIELD(m->status, 0, 15); @@ -1411,16 +1647,29 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, u32 optypenum = GET_BITFIELD(m->status, 4, 6); long channel_mask, first_channel; u8 rank, socket; - int csrow, rc, dimm; - char *area_type = "Unknown"; + int rc, dimm; + char *area_type = NULL; - if (ripv) - type = "NON_FATAL"; + if (pvt->info.type == IVY_BRIDGE) + recoverable = true; else - type = "FATAL"; + recoverable = GET_BITFIELD(m->status, 56, 56); + + if (uncorrected_error) { + if (ripv) { + type = "FATAL"; + tp_event = HW_EVENT_ERR_FATAL; + } else { + type = "NON_FATAL"; + tp_event = HW_EVENT_ERR_UNCORRECTED; + } + } else { + type = "CORRECTED"; + tp_event = HW_EVENT_ERR_CORRECTED; + } /* - * According with Table 15-9 of the Intel Archictecture spec vol 3A, + * According with Table 15-9 of the Intel Architecture spec vol 3A, * memory errors should fit in this mask: * 000f 0000 1mmm cccc (binary) * where: @@ -1435,19 +1684,19 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, } else { switch (optypenum) { case 0: - optype = "generic undef request"; + optype = "generic undef request error"; break; case 1: - optype = "memory read"; + optype = "memory read error"; break; case 2: - optype = "memory write"; + optype = "memory write error"; break; case 3: - optype = "addr/cmd"; + optype = "addr/cmd error"; break; case 4: - optype = "memory scrubbing"; + optype = "memory scrubbing error"; break; default: optype = "reserved"; @@ -1455,14 +1704,18 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, } } + /* Only decode errors with an valid address (ADDRV) */ + if (!GET_BITFIELD(m->status, 58, 58)) + return; + rc = get_memory_error_data(mci, m->addr, &socket, - &channel_mask, &rank, area_type); + &channel_mask, &rank, &area_type, msg); if (rc < 0) - return; + goto err_parsing; new_mci = get_mci_for_node_id(socket); if (!new_mci) { - edac_mc_handle_ce_no_info(mci, "Error: socket got corrupted!"); - return; + strcpy(msg, "Error: socket got corrupted!"); + goto err_parsing; } mci = new_mci; pvt = mci->pvt_info; @@ -1476,45 +1729,38 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci, else dimm = 2; - csrow = pvt->csrow_map[first_channel][dimm]; - - if (uncorrected_error && recoverable) - recoverable_msg = " recoverable"; - else - recoverable_msg = ""; /* - * FIXME: What should we do with "channel" information on mcelog? - * Probably, we can just discard it, as the channel information - * comes from the get_memory_error_data() address decoding + * FIXME: On some memory configurations (mirror, lockstep), the + * Memory Controller can't point the error to a single DIMM. The + * EDAC core should be handling the channel mask, in order to point + * to the group of dimm's where the error may be happening. */ - msg = kasprintf(GFP_ATOMIC, - "%d %s error(s): %s on %s area %s%s: cpu=%d Err=%04x:%04x (ch=%d), " - "addr = 0x%08llx => socket=%d, Channel=%ld(mask=%ld), rank=%d\n", - core_err_cnt, - area_type, - optype, - type, - recoverable_msg, - overflow ? "OVERFLOW" : "", - m->cpu, - mscod, errcode, - channel, /* 1111b means not specified */ - (long long) m->addr, - socket, - first_channel, /* This is the real channel on SB */ - channel_mask, - rank); - - debugf0("%s", msg); + snprintf(msg, sizeof(msg), + "%s%s area:%s err_code:%04x:%04x socket:%d channel_mask:%ld rank:%d", + overflow ? " OVERFLOW" : "", + (uncorrected_error && recoverable) ? " recoverable" : "", + area_type, + mscod, errcode, + socket, + channel_mask, + rank); + + edac_dbg(0, "%s\n", msg); + + /* FIXME: need support for channel mask */ /* Call the helper to output message */ - if (uncorrected_error) - edac_mc_handle_fbd_ue(mci, csrow, 0, 0, msg); - else - edac_mc_handle_fbd_ce(mci, csrow, 0, msg); + edac_mc_handle_error(tp_event, mci, core_err_cnt, + m->addr >> PAGE_SHIFT, m->addr & ~PAGE_MASK, 0, + channel, dimm, -1, + optype, msg); + return; +err_parsing: + edac_mc_handle_error(tp_event, mci, core_err_cnt, 0, 0, 0, + -1, -1, -1, + msg, ""); - kfree(msg); } /* @@ -1582,6 +1828,10 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val, struct mce *mce = (struct mce *)data; struct mem_ctl_info *mci; struct sbridge_pvt *pvt; + char *type; + + if (get_edac_report_status() == EDAC_REPORTING_DISABLED) + return NOTIFY_DONE; mci = get_mci_for_node_id(mce->socketid); if (!mci) @@ -1597,17 +1847,23 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val, if ((mce->status & 0xefff) >> 7 != 1) return NOTIFY_DONE; - printk("sbridge: HANDLING MCE MEMORY ERROR\n"); + if (mce->mcgstatus & MCG_STATUS_MCIP) + type = "Exception"; + else + type = "Event"; + + sbridge_mc_printk(mci, KERN_DEBUG, "HANDLING MCE MEMORY ERROR\n"); - printk("CPU %d: Machine Check Exception: %Lx Bank %d: %016Lx\n", - mce->extcpu, mce->mcgstatus, mce->bank, mce->status); - printk("TSC %llx ", mce->tsc); - printk("ADDR %llx ", mce->addr); - printk("MISC %llx ", mce->misc); + sbridge_mc_printk(mci, KERN_DEBUG, "CPU %d: Machine Check %s: %Lx " + "Bank %d: %016Lx\n", mce->extcpu, type, + mce->mcgstatus, mce->bank, mce->status); + sbridge_mc_printk(mci, KERN_DEBUG, "TSC %llx ", mce->tsc); + sbridge_mc_printk(mci, KERN_DEBUG, "ADDR %llx ", mce->addr); + sbridge_mc_printk(mci, KERN_DEBUG, "MISC %llx ", mce->misc); - printk("PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", - mce->cpuvendor, mce->cpuid, mce->time, - mce->socketid, mce->apicid); + sbridge_mc_printk(mci, KERN_DEBUG, "PROCESSOR %u:%x TIME %llu SOCKET " + "%u APIC %x\n", mce->cpuvendor, mce->cpuid, + mce->time, mce->socketid, mce->apicid); /* Only handle if it is the right mc controller */ if (cpu_data(mce->cpu).phys_proc_id != pvt->sbridge_dev->mc) @@ -1647,8 +1903,7 @@ static void sbridge_unregister_mci(struct sbridge_dev *sbridge_dev) struct sbridge_pvt *pvt; if (unlikely(!mci || !mci->pvt_info)) { - debugf0("MC: " __FILE__ ": %s(): dev = %p\n", - __func__, &sbridge_dev->pdev[0]->dev); + edac_dbg(0, "MC: dev = %p\n", &sbridge_dev->pdev[0]->dev); sbridge_printk(KERN_ERR, "Couldn't find mci handler\n"); return; @@ -1656,38 +1911,46 @@ static void sbridge_unregister_mci(struct sbridge_dev *sbridge_dev) pvt = mci->pvt_info; - debugf0("MC: " __FILE__ ": %s(): mci = %p, dev = %p\n", - __func__, mci, &sbridge_dev->pdev[0]->dev); - - mce_unregister_decode_chain(&sbridge_mce_dec); + edac_dbg(0, "MC: mci = %p, dev = %p\n", + mci, &sbridge_dev->pdev[0]->dev); /* Remove MC sysfs nodes */ - edac_mc_del_mc(mci->dev); + edac_mc_del_mc(mci->pdev); - debugf1("%s: free mci struct\n", mci->ctl_name); + edac_dbg(1, "%s: free mci struct\n", mci->ctl_name); kfree(mci->ctl_name); edac_mc_free(mci); sbridge_dev->mci = NULL; } -static int sbridge_register_mci(struct sbridge_dev *sbridge_dev) +static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) { struct mem_ctl_info *mci; + struct edac_mc_layer layers[2]; struct sbridge_pvt *pvt; - int rc, channels, csrows; + struct pci_dev *pdev = sbridge_dev->pdev[0]; + int rc; /* Check the number of active and not disabled channels */ - rc = sbridge_get_active_channels(sbridge_dev->bus, &channels, &csrows); + rc = check_if_ecc_is_active(sbridge_dev->bus); if (unlikely(rc < 0)) return rc; /* allocate a new MC control structure */ - mci = edac_mc_alloc(sizeof(*pvt), csrows, channels, sbridge_dev->mc); + layers[0].type = EDAC_MC_LAYER_CHANNEL; + layers[0].size = NUM_CHANNELS; + layers[0].is_virt_csrow = false; + layers[1].type = EDAC_MC_LAYER_SLOT; + layers[1].size = MAX_DIMMS; + layers[1].is_virt_csrow = true; + mci = edac_mc_alloc(sbridge_dev->mc, ARRAY_SIZE(layers), layers, + sizeof(*pvt)); + if (unlikely(!mci)) return -ENOMEM; - debugf0("MC: " __FILE__ ": %s(): mci = %p, dev = %p\n", - __func__, mci, &sbridge_dev->pdev[0]->dev); + edac_dbg(0, "MC: mci = %p, dev = %p\n", + mci, &pdev->dev); pvt = mci->pvt_info; memset(pvt, 0, sizeof(*pvt)); @@ -1701,34 +1964,60 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev) mci->edac_cap = EDAC_FLAG_NONE; mci->mod_name = "sbridge_edac.c"; mci->mod_ver = SBRIDGE_REVISION; - mci->ctl_name = kasprintf(GFP_KERNEL, "Sandy Bridge Socket#%d", mci->mc_idx); - mci->dev_name = pci_name(sbridge_dev->pdev[0]); + mci->dev_name = pci_name(pdev); mci->ctl_page_to_phys = NULL; /* Set the function pointer to an actual operation function */ mci->edac_check = sbridge_check_error; - /* Store pci devices at mci for faster access */ - rc = mci_bind_devs(mci, sbridge_dev); - if (unlikely(rc < 0)) - goto fail0; + pvt->info.type = type; + if (type == IVY_BRIDGE) { + pvt->info.rankcfgr = IB_RANK_CFG_A; + pvt->info.get_tolm = ibridge_get_tolm; + pvt->info.get_tohm = ibridge_get_tohm; + pvt->info.dram_rule = ibridge_dram_rule; + pvt->info.max_sad = ARRAY_SIZE(ibridge_dram_rule); + pvt->info.interleave_list = ibridge_interleave_list; + pvt->info.max_interleave = ARRAY_SIZE(ibridge_interleave_list); + pvt->info.interleave_pkg = ibridge_interleave_pkg; + mci->ctl_name = kasprintf(GFP_KERNEL, "Ivy Bridge Socket#%d", mci->mc_idx); + + /* Store pci devices at mci for faster access */ + rc = ibridge_mci_bind_devs(mci, sbridge_dev); + if (unlikely(rc < 0)) + goto fail0; + } else { + pvt->info.rankcfgr = SB_RANK_CFG_A; + pvt->info.get_tolm = sbridge_get_tolm; + pvt->info.get_tohm = sbridge_get_tohm; + pvt->info.dram_rule = sbridge_dram_rule; + pvt->info.max_sad = ARRAY_SIZE(sbridge_dram_rule); + pvt->info.interleave_list = sbridge_interleave_list; + pvt->info.max_interleave = ARRAY_SIZE(sbridge_interleave_list); + pvt->info.interleave_pkg = sbridge_interleave_pkg; + mci->ctl_name = kasprintf(GFP_KERNEL, "Sandy Bridge Socket#%d", mci->mc_idx); + + /* Store pci devices at mci for faster access */ + rc = sbridge_mci_bind_devs(mci, sbridge_dev); + if (unlikely(rc < 0)) + goto fail0; + } + /* Get dimm basic config and the memory layout */ get_dimm_config(mci); get_memory_layout(mci); /* record ptr to the generic device */ - mci->dev = &sbridge_dev->pdev[0]->dev; + mci->pdev = &pdev->dev; /* add this new MC control structure to EDAC's list of MCs */ if (unlikely(edac_mc_add_mc(mci))) { - debugf0("MC: " __FILE__ - ": %s(): failed edac_mc_add_mc()\n", __func__); + edac_dbg(0, "MC: failed edac_mc_add_mc()\n"); rc = -EINVAL; goto fail0; } - mce_register_decode_chain(&sbridge_mce_dec); return 0; fail0: @@ -1746,12 +2035,12 @@ fail0: * < 0 for error code */ -static int __devinit sbridge_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +static int sbridge_probe(struct pci_dev *pdev, const struct pci_device_id *id) { int rc; u8 mc, num_mc = 0; struct sbridge_dev *sbridge_dev; + enum type type; /* get the pci devices we want to reserve for our use */ mutex_lock(&sbridge_edac_lock); @@ -1765,15 +2054,22 @@ static int __devinit sbridge_probe(struct pci_dev *pdev, } probed++; - rc = sbridge_get_all_devices(&num_mc); + if (pdev->device == PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA) { + rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_ibridge_table); + type = IVY_BRIDGE; + } else { + rc = sbridge_get_all_devices(&num_mc, pci_dev_descr_sbridge_table); + type = SANDY_BRIDGE; + } if (unlikely(rc < 0)) goto fail0; mc = 0; list_for_each_entry(sbridge_dev, &sbridge_edac_list, list) { - debugf0("Registering MC#%d (%d of %d)\n", mc, mc + 1, num_mc); + edac_dbg(0, "Registering MC#%d (%d of %d)\n", + mc, mc + 1, num_mc); sbridge_dev->mc = mc++; - rc = sbridge_register_mci(sbridge_dev); + rc = sbridge_register_mci(sbridge_dev, type); if (unlikely(rc < 0)) goto fail1; } @@ -1797,11 +2093,11 @@ fail0: * sbridge_remove destructor for one instance of device * */ -static void __devexit sbridge_remove(struct pci_dev *pdev) +static void sbridge_remove(struct pci_dev *pdev) { struct sbridge_dev *sbridge_dev; - debugf0(__FILE__ ": %s()\n", __func__); + edac_dbg(0, "\n"); /* * we have a trouble here: pdev value for removal will be wrong, since @@ -1838,7 +2134,7 @@ MODULE_DEVICE_TABLE(pci, sbridge_pci_tbl); static struct pci_driver sbridge_driver = { .name = "sbridge_edac", .probe = sbridge_probe, - .remove = __devexit_p(sbridge_remove), + .remove = sbridge_remove, .id_table = sbridge_pci_tbl, }; @@ -1850,15 +2146,18 @@ static int __init sbridge_init(void) { int pci_rc; - debugf2("MC: " __FILE__ ": %s()\n", __func__); + edac_dbg(2, "\n"); /* Ensure that the OPSTATE is set correctly for POLL or NMI */ opstate_init(); pci_rc = pci_register_driver(&sbridge_driver); - - if (pci_rc >= 0) + if (pci_rc >= 0) { + mce_register_decode_chain(&sbridge_mce_dec); + if (get_edac_report_status() == EDAC_REPORTING_DISABLED) + sbridge_printk(KERN_WARNING, "Loading driver, error reporting disabled.\n"); return 0; + } sbridge_printk(KERN_ERR, "Failed to register device with error %d.\n", pci_rc); @@ -1872,8 +2171,9 @@ static int __init sbridge_init(void) */ static void __exit sbridge_exit(void) { - debugf2("MC: " __FILE__ ": %s()\n", __func__); + edac_dbg(2, "\n"); pci_unregister_driver(&sbridge_driver); + mce_unregister_decode_chain(&sbridge_mce_dec); } module_init(sbridge_init); @@ -1883,7 +2183,7 @@ module_param(edac_op_state, int, 0444); MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); +MODULE_AUTHOR("Mauro Carvalho Chehab"); MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)"); -MODULE_DESCRIPTION("MC Driver for Intel Sandy Bridge memory controllers - " +MODULE_DESCRIPTION("MC Driver for Intel Sandy Bridge and Ivy Bridge memory controllers - " SBRIDGE_REVISION); |
