diff options
Diffstat (limited to 'drivers/edac/amd64_edac.c')
| -rw-r--r-- | drivers/edac/amd64_edac.c | 76 |
1 files changed, 27 insertions, 49 deletions
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 1ec014534e18..c91733013b48 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -788,11 +788,6 @@ static int sys_addr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr) static int get_channel_from_ecc_syndrome(struct mem_ctl_info *, u16); -static u16 extract_syndrome(struct err_regs *err) -{ - return ((err->nbsh >> 15) & 0xff) | ((err->nbsl >> 16) & 0xff00); -} - /* * Determine if the DIMMs have ECC enabled. ECC is enabled ONLY if all the DIMMs * are ECC capable. @@ -975,12 +970,10 @@ static int k8_early_channel_count(struct amd64_pvt *pvt) return (flag) ? 2 : 1; } -/* Extract the ERROR ADDRESS for the K8 CPUs */ -static u64 k8_get_error_address(struct mem_ctl_info *mci, - struct err_regs *info) +static u64 k8_get_error_address(struct mem_ctl_info *mci, struct mce *m) { - return (((u64) (info->nbeah & 0xff)) << 32) + - (info->nbeal & ~0x03); + /* ErrAddr[39:3] */ + return m->addr & GENMASK(3, 39); } static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range) @@ -1000,18 +993,16 @@ static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range) amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_HI + off, &pvt->ranges[range].lim.hi); } -static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, - struct err_regs *err_info, u64 sys_addr) +static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, + u16 syndrome) { struct mem_ctl_info *src_mci; + struct amd64_pvt *pvt = mci->pvt_info; int channel, csrow; u32 page, offset; - u16 syndrome; - - syndrome = extract_syndrome(err_info); /* CHIPKILL enabled */ - if (err_info->nbcfg & NBCFG_CHIPKILL) { + if (pvt->nbcfg & NBCFG_CHIPKILL) { channel = get_channel_from_ecc_syndrome(mci, syndrome); if (channel < 0) { /* @@ -1136,11 +1127,9 @@ static int f10_dbam_to_chip_select(struct amd64_pvt *pvt, int cs_mode) return dbam_map[cs_mode]; } -static u64 f10_get_error_address(struct mem_ctl_info *mci, - struct err_regs *info) +static u64 f10_get_error_address(struct mem_ctl_info *mci, struct mce *m) { - return (((u64) (info->nbeah & 0xffff)) << 32) + - (info->nbeal & ~0x01); + return m->addr & GENMASK(1, 47); } static void f10_read_dram_ctl_register(struct amd64_pvt *pvt) @@ -1434,14 +1423,12 @@ static int f10_translate_sysaddr_to_cs(struct amd64_pvt *pvt, u64 sys_addr, * The @sys_addr is usually an error address received from the hardware * (MCX_ADDR). */ -static void f10_map_sysaddr_to_csrow(struct mem_ctl_info *mci, - struct err_regs *err_info, - u64 sys_addr) +static void f10_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, + u16 syndrome) { struct amd64_pvt *pvt = mci->pvt_info; u32 page, offset; int nid, csrow, chan = 0; - u16 syndrome; csrow = f10_translate_sysaddr_to_cs(pvt, sys_addr, &nid, &chan); @@ -1452,8 +1439,6 @@ static void f10_map_sysaddr_to_csrow(struct mem_ctl_info *mci, error_address_to_page_and_offset(sys_addr, &page, &offset); - syndrome = extract_syndrome(err_info); - /* * We need the syndromes for channel detection only when we're * ganged. Otherwise @chan should already contain the channel at @@ -1740,29 +1725,29 @@ static int get_channel_from_ecc_syndrome(struct mem_ctl_info *mci, u16 syndrome) * Handle any Correctable Errors (CEs) that have occurred. Check for valid ERROR * ADDRESS and process. */ -static void amd64_handle_ce(struct mem_ctl_info *mci, - struct err_regs *info) +static void amd64_handle_ce(struct mem_ctl_info *mci, struct mce *m) { struct amd64_pvt *pvt = mci->pvt_info; u64 sys_addr; + u16 syndrome; /* Ensure that the Error Address is VALID */ - if (!(info->nbsh & NBSH_VALID_ERROR_ADDR)) { + if (!(m->status & MCI_STATUS_ADDRV)) { amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n"); edac_mc_handle_ce_no_info(mci, EDAC_MOD_STR); return; } - sys_addr = pvt->ops->get_error_address(mci, info); + sys_addr = pvt->ops->get_error_address(mci, m); + syndrome = extract_syndrome(m->status); amd64_mc_err(mci, "CE ERROR_ADDRESS= 0x%llx\n", sys_addr); - pvt->ops->map_sysaddr_to_csrow(mci, info, sys_addr); + pvt->ops->map_sysaddr_to_csrow(mci, sys_addr, syndrome); } /* Handle any Un-correctable Errors (UEs) */ -static void amd64_handle_ue(struct mem_ctl_info *mci, - struct err_regs *info) +static void amd64_handle_ue(struct mem_ctl_info *mci, struct mce *m) { struct amd64_pvt *pvt = mci->pvt_info; struct mem_ctl_info *log_mci, *src_mci = NULL; @@ -1772,13 +1757,13 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, log_mci = mci; - if (!(info->nbsh & NBSH_VALID_ERROR_ADDR)) { + if (!(m->status & MCI_STATUS_ADDRV)) { amd64_mc_err(mci, "HW has no ERROR_ADDRESS available\n"); edac_mc_handle_ue_no_info(log_mci, EDAC_MOD_STR); return; } - sys_addr = pvt->ops->get_error_address(mci, info); + sys_addr = pvt->ops->get_error_address(mci, m); /* * Find out which node the error address belongs to. This may be @@ -1806,11 +1791,11 @@ static void amd64_handle_ue(struct mem_ctl_info *mci, } static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci, - struct err_regs *info) + struct mce *m) { - u16 ec = EC(info->nbsl); - u8 xec = XEC(info->nbsl, 0x1f); - int ecc_type = (info->nbsh >> 13) & 0x3; + u16 ec = EC(m->status); + u8 xec = XEC(m->status, 0x1f); + u8 ecc_type = (m->status >> 45) & 0x3; /* Bail early out if this was an 'observed' error */ if (PP(ec) == NBSL_PP_OBS) @@ -1821,23 +1806,16 @@ static inline void __amd64_decode_bus_error(struct mem_ctl_info *mci, return; if (ecc_type == 2) - amd64_handle_ce(mci, info); + amd64_handle_ce(mci, m); else if (ecc_type == 1) - amd64_handle_ue(mci, info); + amd64_handle_ue(mci, m); } void amd64_decode_bus_error(int node_id, struct mce *m, u32 nbcfg) { struct mem_ctl_info *mci = mcis[node_id]; - struct err_regs regs; - - regs.nbsl = (u32) m->status; - regs.nbsh = (u32)(m->status >> 32); - regs.nbeal = (u32) m->addr; - regs.nbeah = (u32)(m->addr >> 32); - regs.nbcfg = nbcfg; - __amd64_decode_bus_error(mci, ®s); + __amd64_decode_bus_error(mci, m); } /* |