diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-05 05:35:08 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-10 14:44:58 (GMT) |
commit | f47429494fd50c0b7396fe3f8a26ea638b47c5ba (patch) | |
tree | cb951ca0a07f97f19205b9e593b4343662867cbe /drivers/edac | |
parent | 66607706cee7b6901aa0509198f075859c93ec6a (diff) | |
download | linux-f47429494fd50c0b7396fe3f8a26ea638b47c5ba.tar.xz |
i7core_edac: create one mc per socket/QPI
Instead of creating just one memory controller, create one per socket
(e. g. per Quick Link Path Interconnect).
This better reflects the Nehalem architecture.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r-- | drivers/edac/i7core_edac.c | 507 |
1 files changed, 228 insertions, 279 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 7bcb599..5bc316b 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -29,11 +29,21 @@ #include <linux/mmzone.h> #include <linux/edac_mce.h> #include <linux/spinlock.h> +#include <linux/smp.h> #include <asm/processor.h> #include "edac_core.h" /* + * This is used for Nehalem-EP and Nehalem-EX devices, where the non-core + * registers start at bus 255, and are not reported by BIOS. + * We currently find devices with only 2 sockets. In order to support more QPI + * Quick Path Interconnect, just increment this number. + */ +#define MAX_SOCKET_BUSES 2 + + +/* * Alter this version for the module when modifications are made */ #define I7CORE_REVISION " Ver: 1.0.0 " __DATE__ @@ -162,7 +172,6 @@ #define NUM_CHANS 3 #define MAX_DIMMS 3 /* Max DIMMS per channel */ -#define NUM_SOCKETS 2 /* Max number of MC sockets */ #define MAX_MCR_FUNC 4 #define MAX_CHAN_FUNC 3 @@ -177,7 +186,6 @@ struct i7core_info { struct i7core_inject { int enable; - u8 socket; u32 section; u32 type; u32 eccmask; @@ -197,29 +205,37 @@ struct pci_id_descr { int dev_id; }; +struct i7core_dev { + struct list_head list; + u8 socket; + struct pci_dev **pdev; + struct mem_ctl_info *mci; +}; + struct i7core_pvt { - struct pci_dev *pci_noncore[NUM_SOCKETS]; - struct pci_dev *pci_mcr[NUM_SOCKETS][MAX_MCR_FUNC + 1]; - struct pci_dev *pci_ch[NUM_SOCKETS][NUM_CHANS][MAX_CHAN_FUNC + 1]; + struct pci_dev *pci_noncore; + struct pci_dev *pci_mcr[MAX_MCR_FUNC + 1]; + struct pci_dev *pci_ch[NUM_CHANS][MAX_CHAN_FUNC + 1]; + + struct i7core_dev *i7core_dev; struct i7core_info info; struct i7core_inject inject; - struct i7core_channel channel[NUM_SOCKETS][NUM_CHANS]; + struct i7core_channel channel[NUM_CHANS]; - int sockets; /* Number of sockets */ - int channels; /* Number of active channels */ + int channels; /* Number of active channels */ - int ce_count_available[NUM_SOCKETS]; - int csrow_map[NUM_SOCKETS][NUM_CHANS][MAX_DIMMS]; + int ce_count_available; + int csrow_map[NUM_CHANS][MAX_DIMMS]; /* ECC corrected errors counts per udimm */ - unsigned long udimm_ce_count[NUM_SOCKETS][MAX_DIMMS]; - int udimm_last_ce_count[NUM_SOCKETS][MAX_DIMMS]; + unsigned long udimm_ce_count[MAX_DIMMS]; + int udimm_last_ce_count[MAX_DIMMS]; /* ECC corrected errors counts per rdimm */ - unsigned long rdimm_ce_count[NUM_SOCKETS][NUM_CHANS][MAX_DIMMS]; - int rdimm_last_ce_count[NUM_SOCKETS][NUM_CHANS][MAX_DIMMS]; + unsigned long rdimm_ce_count[NUM_CHANS][MAX_DIMMS]; + int rdimm_last_ce_count[NUM_CHANS][MAX_DIMMS]; - unsigned int is_registered[NUM_SOCKETS]; + unsigned int is_registered; /* mcelog glue */ struct edac_mce edac_mce; @@ -228,22 +244,10 @@ struct i7core_pvt { spinlock_t mce_lock; }; -struct i7core_dev { - struct list_head list; - - int socket; - struct pci_dev **pdev; -}; - /* Static vars */ static LIST_HEAD(i7core_edac_list); static DEFINE_MUTEX(i7core_edac_lock); - -/* Device name and register DID (Device ID) */ -struct i7core_dev_info { - const char *ctl_name; /* name for this device */ - u16 fsb_mapping_errors; /* DID for the branchmap,control */ -}; +static u8 max_num_sockets; #define PCI_DESCR(device, function, device_id) \ .dev = (device), \ @@ -295,15 +299,6 @@ static const struct pci_device_id i7core_pci_tbl[] __devinitdata = { {0,} /* 0 terminated list. */ }; - -/* Table of devices attributes supported by this driver */ -static const struct i7core_dev_info i7core_probe_devs[] = { - { - .ctl_name = "i7 Core", - .fsb_mapping_errors = PCI_DEVICE_ID_INTEL_I7_MCR, - }, -}; - static struct edac_pci_ctl_info *i7core_pci; /**************************************************************************** @@ -356,7 +351,7 @@ static inline int numcol(u32 col) return cols[col & 0x3]; } -static struct i7core_dev *get_i7core_dev(int socket) +static struct i7core_dev *get_i7core_dev(u8 socket) { struct i7core_dev *i7core_dev; @@ -471,18 +466,19 @@ static int i7core_get_active_channels(u8 socket, unsigned *channels, return 0; } -static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) +static int get_dimm_config(struct mem_ctl_info *mci, int *csrow) { struct i7core_pvt *pvt = mci->pvt_info; struct csrow_info *csr; struct pci_dev *pdev; int i, j; + u8 socket = pvt->i7core_dev->socket; unsigned long last_page = 0; enum edac_type mode; enum mem_type mtype; /* Get data from the MC register, function 0 */ - pdev = pvt->pci_mcr[socket][0]; + pdev = pvt->pci_mcr[0]; if (!pdev) return -ENODEV; @@ -529,10 +525,10 @@ static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) } /* Devices 4-6 function 0 */ - pci_read_config_dword(pvt->pci_ch[socket][i][0], + pci_read_config_dword(pvt->pci_ch[i][0], MC_CHANNEL_DIMM_INIT_PARAMS, &data); - pvt->channel[socket][i].ranks = (data & QUAD_RANK_PRESENT) ? + pvt->channel[i].ranks = (data & QUAD_RANK_PRESENT) ? 4 : 2; if (data & REGISTERED_DIMM) @@ -549,11 +545,11 @@ static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) #endif /* Devices 4-6 function 1 */ - pci_read_config_dword(pvt->pci_ch[socket][i][1], + pci_read_config_dword(pvt->pci_ch[i][1], MC_DOD_CH_DIMM0, &dimm_dod[0]); - pci_read_config_dword(pvt->pci_ch[socket][i][1], + pci_read_config_dword(pvt->pci_ch[i][1], MC_DOD_CH_DIMM1, &dimm_dod[1]); - pci_read_config_dword(pvt->pci_ch[socket][i][1], + pci_read_config_dword(pvt->pci_ch[i][1], MC_DOD_CH_DIMM2, &dimm_dod[2]); debugf0("Ch%d phy rd%d, wr%d (0x%08x): " @@ -561,7 +557,7 @@ static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) i, RDLCH(pvt->info.ch_map, i), WRLCH(pvt->info.ch_map, i), data, - pvt->channel[socket][i].ranks, + pvt->channel[i].ranks, (data & REGISTERED_DIMM) ? 'R' : 'U'); for (j = 0; j < 3; j++) { @@ -579,7 +575,7 @@ static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) /* DDR3 has 8 I/O banks */ size = (rows * cols * banks * ranks) >> (20 - 3); - pvt->channel[socket][i].dimms++; + pvt->channel[i].dimms++; debugf0("\tdimm %d %d Mb offset: %x, " "bank: %d, rank: %d, row: %#x, col: %#x\n", @@ -607,7 +603,7 @@ static int get_dimm_config(struct mem_ctl_info *mci, int *csrow, u8 socket) csr->channels[0].chan_idx = i; csr->channels[0].ce_count = 0; - pvt->csrow_map[socket][i][j] = *csrow; + pvt->csrow_map[i][j] = *csrow; switch (banks) { case 4: @@ -665,43 +661,16 @@ static int disable_inject(struct mem_ctl_info *mci) pvt->inject.enable = 0; - if (!pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0]) + if (!pvt->pci_ch[pvt->inject.channel][0]) return -ENODEV; - pci_write_config_dword(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + pci_write_config_dword(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ERROR_INJECT, 0); return 0; } /* - * i7core inject inject.socket - * - * accept and store error injection inject.socket value - */ -static ssize_t i7core_inject_socket_store(struct mem_ctl_info *mci, - const char *data, size_t count) -{ - struct i7core_pvt *pvt = mci->pvt_info; - unsigned long value; - int rc; - - rc = strict_strtoul(data, 10, &value); - if ((rc < 0) || (value >= pvt->sockets)) - return -EIO; - - pvt->inject.socket = (u32) value; - return count; -} - -static ssize_t i7core_inject_socket_show(struct mem_ctl_info *mci, - char *data) -{ - struct i7core_pvt *pvt = mci->pvt_info; - return sprintf(data, "%d\n", pvt->inject.socket); -} - -/* * i7core inject inject.section * * accept and store error injection inject.section value @@ -965,7 +934,7 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci, int rc; long enable; - if (!pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0]) + if (!pvt->pci_ch[pvt->inject.channel][0]) return 0; rc = strict_strtoul(data, 10, &enable); @@ -983,7 +952,7 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci, if (pvt->inject.dimm < 0) mask |= 1L << 41; else { - if (pvt->channel[pvt->inject.socket][pvt->inject.channel].dimms > 2) + if (pvt->channel[pvt->inject.channel].dimms > 2) mask |= (pvt->inject.dimm & 0x3L) << 35; else mask |= (pvt->inject.dimm & 0x1L) << 36; @@ -993,7 +962,7 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci, if (pvt->inject.rank < 0) mask |= 1L << 40; else { - if (pvt->channel[pvt->inject.socket][pvt->inject.channel].dimms > 2) + if (pvt->channel[pvt->inject.channel].dimms > 2) mask |= (pvt->inject.rank & 0x1L) << 34; else mask |= (pvt->inject.rank & 0x3L) << 34; @@ -1029,18 +998,18 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci, (pvt->inject.type & 0x6) << (3 - 1); /* Unlock writes to registers - this register is write only */ - pci_write_config_dword(pvt->pci_noncore[pvt->inject.socket], + pci_write_config_dword(pvt->pci_noncore, MC_CFG_CONTROL, 0x2); - write_and_test(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + write_and_test(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ADDR_MATCH, mask); - write_and_test(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + write_and_test(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ADDR_MATCH + 4, mask >> 32L); - write_and_test(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + write_and_test(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ERROR_MASK, pvt->inject.eccmask); - write_and_test(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + write_and_test(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ERROR_INJECT, injectmask); /* @@ -1048,7 +1017,7 @@ static ssize_t i7core_inject_enable_store(struct mem_ctl_info *mci, * Without writing 8 to this register, errors aren't injected. Not sure * why. */ - pci_write_config_dword(pvt->pci_noncore[pvt->inject.socket], + pci_write_config_dword(pvt->pci_noncore, MC_CFG_CONTROL, 8); debugf0("Error inject addr match 0x%016llx, ecc 0x%08x," @@ -1065,7 +1034,7 @@ static ssize_t i7core_inject_enable_show(struct mem_ctl_info *mci, struct i7core_pvt *pvt = mci->pvt_info; u32 injectmask; - pci_read_config_dword(pvt->pci_ch[pvt->inject.socket][pvt->inject.channel][0], + pci_read_config_dword(pvt->pci_ch[pvt->inject.channel][0], MC_CHANNEL_ERROR_INJECT, &injectmask); debugf0("Inject error read: 0x%018x\n", injectmask); @@ -1078,34 +1047,30 @@ static ssize_t i7core_inject_enable_show(struct mem_ctl_info *mci, static ssize_t i7core_ce_regs_show(struct mem_ctl_info *mci, char *data) { - unsigned i, j, count, total = 0; + unsigned i, count, total = 0; struct i7core_pvt *pvt = mci->pvt_info; - for (i = 0; i < pvt->sockets; i++) { - if (!pvt->ce_count_available[i]) { - count = sprintf(data, "socket 0 data unavailable\n"); - continue; - } - if (!pvt->is_registered[i]) - count = sprintf(data, "socket %d, dimm0: %lu\n" - "dimm1: %lu\ndimm2: %lu\n", - i, - pvt->udimm_ce_count[i][0], - pvt->udimm_ce_count[i][1], - pvt->udimm_ce_count[i][2]); - else - for (j = 0; j < NUM_CHANS; j++) { - count = sprintf(data, "socket %d, channel %d " - "RDIMM0: %lu " - "RDIMM1: %lu RDIMM2: %lu\n", - i, j, - pvt->rdimm_ce_count[i][j][0], - pvt->rdimm_ce_count[i][j][1], - pvt->rdimm_ce_count[i][j][2]); - } - data += count; - total += count; + if (!pvt->ce_count_available) { + count = sprintf(data, "data unavailable\n"); + return 0; } + if (!pvt->is_registered) + count = sprintf(data, "all channels " + "UDIMM0: %lu UDIMM1: %lu UDIMM2: %lu\n", + pvt->udimm_ce_count[0], + pvt->udimm_ce_count[1], + pvt->udimm_ce_count[2]); + else + for (i = 0; i < NUM_CHANS; i++) { + count = sprintf(data, "channel %d RDIMM0: %lu " + "RDIMM1: %lu RDIMM2: %lu\n", + i, + pvt->rdimm_ce_count[i][0], + pvt->rdimm_ce_count[i][1], + pvt->rdimm_ce_count[i][2]); + } + data += count; + total += count; return total; } @@ -1116,13 +1081,6 @@ static ssize_t i7core_ce_regs_show(struct mem_ctl_info *mci, char *data) static struct mcidev_sysfs_attribute i7core_inj_attrs[] = { { .attr = { - .name = "inject_socket", - .mode = (S_IRUGO | S_IWUSR) - }, - .show = i7core_inject_socket_show, - .store = i7core_inject_socket_store, - }, { - .attr = { .name = "inject_section", .mode = (S_IRUGO | S_IWUSR) }, @@ -1178,7 +1136,7 @@ static void i7core_put_devices(void) { int i, j; - for (i = 0; i < NUM_SOCKETS; i++) { + for (i = 0; i < max_num_sockets; i++) { struct i7core_dev *i7core_dev = get_i7core_dev(i); if (!i7core_dev) continue; @@ -1204,7 +1162,7 @@ static void i7core_xeon_pci_fixup(void) pdev = pci_get_device(PCI_VENDOR_ID_INTEL, pci_dev_descr[0].dev_id, NULL); if (unlikely(!pdev)) { - for (i = 0; i < NUM_SOCKETS; i ++) + for (i = 0; i < MAX_SOCKET_BUSES; i++) pcibios_scan_specific_bus(255-i); } } @@ -1323,13 +1281,11 @@ int i7core_get_onedevice(struct pci_dev **prev, int devno) return 0; } -static int i7core_get_devices(u8 *sockets) +static int i7core_get_devices(void) { int i; struct pci_dev *pdev = NULL; - struct i7core_dev *i7core_dev = NULL; - *sockets = 0; for (i = 0; i < N_DEVS; i++) { pdev = NULL; do { @@ -1340,55 +1296,48 @@ static int i7core_get_devices(u8 *sockets) } while (pdev); } - list_for_each_entry(i7core_dev, &i7core_edac_list, list) { - if (i7core_dev->socket + 1 > *sockets) - *sockets = i7core_dev->socket + 1; - } - return 0; } -static int mci_bind_devs(struct mem_ctl_info *mci) +static int mci_bind_devs(struct mem_ctl_info *mci, + struct i7core_dev *i7core_dev) { struct i7core_pvt *pvt = mci->pvt_info; struct pci_dev *pdev; - int i, j, func, slot; + int i, func, slot; - for (i = 0; i < pvt->sockets; i++) { - struct i7core_dev *i7core_dev = get_i7core_dev(i); + /* Associates i7core_dev and mci for future usage */ + pvt->i7core_dev = i7core_dev; + i7core_dev->mci = mci; - if (!i7core_dev) + pvt->is_registered = 0; + for (i = 0; i < N_DEVS; i++) { + pdev = i7core_dev->pdev[i]; + if (!pdev) continue; - pvt->is_registered[i] = 0; - for (j = 0; j < N_DEVS; j++) { - pdev = i7core_dev->pdev[j]; - if (!pdev) - continue; - - func = PCI_FUNC(pdev->devfn); - slot = PCI_SLOT(pdev->devfn); - if (slot == 3) { - if (unlikely(func > MAX_MCR_FUNC)) - goto error; - pvt->pci_mcr[i][func] = pdev; - } else if (likely(slot >= 4 && slot < 4 + NUM_CHANS)) { - if (unlikely(func > MAX_CHAN_FUNC)) - goto error; - pvt->pci_ch[i][slot - 4][func] = pdev; - } else if (!slot && !func) - pvt->pci_noncore[i] = pdev; - else + func = PCI_FUNC(pdev->devfn); + slot = PCI_SLOT(pdev->devfn); + if (slot == 3) { + if (unlikely(func > MAX_MCR_FUNC)) + goto error; + pvt->pci_mcr[func] = pdev; + } else if (likely(slot >= 4 && slot < 4 + NUM_CHANS)) { + if (unlikely(func > MAX_CHAN_FUNC)) goto error; + pvt->pci_ch[slot - 4][func] = pdev; + } else if (!slot && !func) + pvt->pci_noncore = pdev; + else + goto error; - debugf0("Associated fn %d.%d, dev = %p, socket %d\n", - PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), - pdev, i); + debugf0("Associated fn %d.%d, dev = %p, socket %d\n", + PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn), + pdev, i7core_dev->socket); - if (PCI_SLOT(pdev->devfn) == 3 && - PCI_FUNC(pdev->devfn) == 2) - pvt->is_registered[i] = 1; - } + if (PCI_SLOT(pdev->devfn) == 3 && + PCI_FUNC(pdev->devfn) == 2) + pvt->is_registered = 1; } return 0; @@ -1403,17 +1352,17 @@ error: /**************************************************************************** Error check routines ****************************************************************************/ -static void i7core_rdimm_update_csrow(struct mem_ctl_info *mci, int socket, +static void i7core_rdimm_update_csrow(struct mem_ctl_info *mci, int chan, int dimm, int add) { char *msg; struct i7core_pvt *pvt = mci->pvt_info; - int row = pvt->csrow_map[socket][chan][dimm], i; + int row = pvt->csrow_map[chan][dimm], i; for (i = 0; i < add; i++) { msg = kasprintf(GFP_KERNEL, "Corrected error " - "(Socket=%d channel=%d dimm=%d", - socket, chan, dimm); + "(Socket=%d channel=%d dimm=%d)", + pvt->i7core_dev->socket, chan, dimm); edac_mc_handle_fbd_ce(mci, row, 0, msg); kfree (msg); @@ -1421,71 +1370,71 @@ static void i7core_rdimm_update_csrow(struct mem_ctl_info *mci, int socket, } static void i7core_rdimm_update_ce_count(struct mem_ctl_info *mci, - int socket, int chan, int new0, int new1, int new2) + int chan, int new0, int new1, int new2) { struct i7core_pvt *pvt = mci->pvt_info; int add0 = 0, add1 = 0, add2 = 0; /* Updates CE counters if it is not the first time here */ - if (pvt->ce_count_available[socket]) { + if (pvt->ce_count_available) { /* Updates CE counters */ - add2 = new2 - pvt->rdimm_last_ce_count[socket][chan][2]; - add1 = new1 - pvt->rdimm_last_ce_count[socket][chan][1]; - add0 = new0 - pvt->rdimm_last_ce_count[socket][chan][0]; + add2 = new2 - pvt->rdimm_last_ce_count[chan][2]; + add1 = new1 - pvt->rdimm_last_ce_count[chan][1]; + add0 = new0 - pvt->rdimm_last_ce_count[chan][0]; if (add2 < 0) add2 += 0x7fff; - pvt->rdimm_ce_count[socket][chan][2] += add2; + pvt->rdimm_ce_count[chan][2] += add2; if (add1 < 0) add1 += 0x7fff; - pvt->rdimm_ce_count[socket][chan][1] += add1; + pvt->rdimm_ce_count[chan][1] += add1; if (add0 < 0) add0 += 0x7fff; - pvt->rdimm_ce_count[socket][chan][0] += add0; + pvt->rdimm_ce_count[chan][0] += add0; } else - pvt->ce_count_available[socket] = 1; + pvt->ce_count_available = 1; /* Store the new values */ - pvt->rdimm_last_ce_count[socket][chan][2] = new2; - pvt->rdimm_last_ce_count[socket][chan][1] = new1; - pvt->rdimm_last_ce_count[socket][chan][0] = new0; + pvt->rdimm_last_ce_count[chan][2] = new2; + pvt->rdimm_last_ce_count[chan][1] = new1; + pvt->rdimm_last_ce_count[chan][0] = new0; /*updated the edac core */ if (add0 != 0) - i7core_rdimm_update_csrow(mci, socket, chan, 0, add0); + i7core_rdimm_update_csrow(mci, chan, 0, add0); if (add1 != 0) - i7core_rdimm_update_csrow(mci, socket, chan, 1, add1); + i7core_rdimm_update_csrow(mci, chan, 1, add1); if (add2 != 0) - i7core_rdimm_update_csrow(mci, socket, chan, 2, add2); + i7core_rdimm_update_csrow(mci, chan, 2, add2); } -static void i7core_rdimm_check_mc_ecc_err(struct mem_ctl_info *mci, u8 socket) +static void i7core_rdimm_check_mc_ecc_err(struct mem_ctl_info *mci) { struct i7core_pvt *pvt = mci->pvt_info; u32 rcv[3][2]; int i, new0, new1, new2; /*Read DEV 3: FUN 2: MC_COR_ECC_CNT regs directly*/ - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_0, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_0, &rcv[0][0]); - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_1, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_1, &rcv[0][1]); - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_2, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_2, &rcv[1][0]); - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_3, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_3, &rcv[1][1]); - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_4, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_4, &rcv[2][0]); - pci_read_config_dword(pvt->pci_mcr[socket][2], MC_COR_ECC_CNT_5, + pci_read_config_dword(pvt->pci_mcr[2], MC_COR_ECC_CNT_5, &rcv[2][1]); for (i = 0 ; i < 3; i++) { debugf3("MC_COR_ECC_CNT%d = 0x%x; MC_COR_ECC_CNT%d = 0x%x\n", (i * 2), rcv[i][0], (i * 2) + 1, rcv[i][1]); /*if the channel has 3 dimms*/ - if (pvt->channel[socket][i].dimms > 2) { + if (pvt->channel[i].dimms > 2) { new0 = DIMM_BOT_COR_ERR(rcv[i][0]); new1 = DIMM_TOP_COR_ERR(rcv[i][0]); new2 = DIMM_BOT_COR_ERR(rcv[i][1]); @@ -1497,7 +1446,7 @@ static void i7core_rdimm_check_mc_ecc_err(struct mem_ctl_info *mci, u8 socket) new2 = 0; } - i7core_rdimm_update_ce_count(mci, socket, i, new0, new1, new2); + i7core_rdimm_update_ce_count(mci, i, new0, new1, new2); } } @@ -1507,20 +1456,20 @@ static void i7core_rdimm_check_mc_ecc_err(struct mem_ctl_info *mci, u8 socket) * also available at: * http://www.arrownac.com/manufacturers/intel/s/nehalem/5500-datasheet-v2.pdf */ -static void i7core_udimm_check_mc_ecc_err(struct mem_ctl_info *mci, u8 socket) +static void i7core_udimm_check_mc_ecc_err(struct mem_ctl_info *mci) { struct i7core_pvt *pvt = mci->pvt_info; u32 rcv1, rcv0; int new0, new1, new2; - if (!pvt->pci_mcr[socket][4]) { + if (!pvt->pci_mcr[4]) { debugf0("%s MCR registers not found\n", __func__); return; } /* Corrected test errors */ - pci_read_config_dword(pvt->pci_mcr[socket][4], MC_TEST_ERR_RCV1, &rcv1); - pci_read_config_dword(pvt->pci_mcr[socket][4], MC_TEST_ERR_RCV0, &rcv0); + pci_read_config_dword(pvt->pci_mcr[4], MC_TEST_ERR_RCV1, &rcv1); + pci_read_config_dword(pvt->pci_mcr[4], MC_TEST_ERR_RCV0, &rcv0); /* Store the new values */ new2 = DIMM2_COR_ERR(rcv1); @@ -1528,37 +1477,37 @@ static void i7core_udimm_check_mc_ecc_err(struct mem_ctl_info *mci, u8 socket) new0 = DIMM0_COR_ERR(rcv0); /* Updates CE counters if it is not the first time here */ - if (pvt->ce_count_available[socket]) { + if (pvt->ce_count_available) { /* Updates CE counters */ int add0, add1, add2; - add2 = new2 - pvt->udimm_last_ce_count[socket][2]; - add1 = new1 - pvt->udimm_last_ce_count[socket][1]; - add0 = new0 - pvt->udimm_last_ce_count[socket][0]; + add2 = new2 - pvt->udimm_last_ce_count[2]; + add1 = new1 - pvt->udimm_last_ce_count[1]; + add0 = new0 - pvt->udimm_last_ce_count[0]; if (add2 < 0) add2 += 0x7fff; - pvt->udimm_ce_count[socket][2] += add2; + pvt->udimm_ce_count[2] += add2; if (add1 < 0) add1 += 0x7fff; - pvt->udimm_ce_count[socket][1] += add1; + pvt->udimm_ce_count[1] += add1; if (add0 < 0) add0 += 0x7fff; - pvt->udimm_ce_count[socket][0] += add0; + pvt->udimm_ce_count[0] += add0; if (add0 | add1 | add2) i7core_printk(KERN_ERR, "New Corrected error(s): " "dimm0: +%d, dimm1: +%d, dimm2 +%d\n", add0, add1, add2); } else - pvt->ce_count_available[socket] = 1; + pvt->ce_count_available = 1; /* Store the new values */ - pvt->udimm_last_ce_count[socket][2] = new2; - pvt->udimm_last_ce_count[socket][1] = new1; - pvt->udimm_last_ce_count[socket][0] = new0; + pvt->udimm_last_ce_count[2] = new2; + pvt->udimm_last_ce_count[1] = new1; + pvt->udimm_last_ce_count[0] = new0; } /* @@ -1587,13 +1536,6 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci, u32 syndrome = m->misc >> 32; u32 errnum = find_first_bit(&error, 32); int csrow; -/* FIXME */ -//#ifdef CONFIG_SMP -#if 0 - u32 socket_id = per_cpu(cpu_data, cpu).phys_proc_id; -#else - u32 socket_id = 0; -#endif if (m->mcgstatus & 1) type = "FATAL"; @@ -1655,24 +1597,21 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci, /* FIXME: should convert addr into bank and rank information */ msg = kasprintf(GFP_ATOMIC, - "%s (addr = 0x%08llx, socket=%d, Dimm=%d, Channel=%d, " + "%s (addr = 0x%08llx, cpu=%d, Dimm=%d, Channel=%d, " "syndrome=0x%08x, count=%d, Err=%08llx:%08llx (%s: %s))\n", - type, (long long) m->addr, socket_id, dimm, channel, + type, (long long) m->addr, m->cpu, dimm, channel, syndrome, core_err_cnt, (long long)m->status, (long long)m->misc, optype, err); debugf0("%s", msg); - if (socket_id < NUM_SOCKETS) - csrow = pvt->csrow_map[socket_id][channel][dimm]; - else - csrow = -1; + csrow = pvt->csrow_map[channel][dimm]; /* Call the helper to output message */ if (m->mcgstatus & 1) edac_mc_handle_fbd_ue(mci, csrow, 0, 0 /* FIXME: should be channel here */, msg); - else if (!pvt->is_registered[socket_id]) + else if (!pvt->is_registered) edac_mc_handle_fbd_ce(mci, csrow, 0 /* FIXME: should be channel here */, msg); @@ -1695,12 +1634,14 @@ static void i7core_check_error(struct mem_ctl_info *mci) spin_lock_irqsave(&pvt->mce_lock, flags); if (pvt->mce_count) { m = kmalloc(sizeof(*m) * pvt->mce_count, GFP_ATOMIC); + if (m) { count = pvt->mce_count; memcpy(m, &pvt->mce_entry, sizeof(*m) * count); } pvt->mce_count = 0; } + spin_unlock_irqrestore(&pvt->mce_lock, flags); /* proccess mcelog errors */ @@ -1710,11 +1651,10 @@ static void i7core_check_error(struct mem_ctl_info *mci) kfree(m); /* check memory count errors */ - for (i = 0; i < pvt->sockets; i++) - if (!pvt->is_registered[i]) - i7core_udimm_check_mc_ecc_err(mci, i); - else - i7core_rdimm_check_mc_ecc_err(mci, i); + if (!pvt->is_registered) + i7core_udimm_check_mc_ecc_err(mci); + else + i7core_rdimm_check_mc_ecc_err(mci); } /* @@ -1740,6 +1680,10 @@ static int i7core_mce_check_error(void *priv, struct mce *mce) if (mce->bank != 8) return 0; + /* Only handle if it is the right mc controller */ + if (cpu_data(mce->cpu).phys_proc_id != pvt->i7core_dev->socket) + return 0; + spin_lock_irqsave(&pvt->mce_lock, flags); if (pvt->mce_count < MCE_LOG_LEN) { memcpy(&pvt->mce_entry[pvt->mce_count], mce, sizeof(*mce)); @@ -1755,63 +1699,26 @@ static int i7core_mce_check_error(void *priv, struct mce *mce) return 1; } -/* - * i7core_probe Probe for ONE instance of device to see if it is - * present. - * return: - * 0 for FOUND a device - * < 0 for error code - */ -static int __devinit i7core_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +static int i7core_register_mci(struct i7core_dev *i7core_dev, + int num_channels, int num_csrows) { struct mem_ctl_info *mci; struct i7core_pvt *pvt; - int num_channels = 0; - int num_csrows = 0; int csrow = 0; - int dev_idx = id->driver_data; - int rc, i; - u8 sockets; - - /* - * FIXME: All memory controllers are allocated at the first pass. - */ - if (unlikely(dev_idx >= 1)) - return -EINVAL; - - /* get the pci devices we want to reserve for our use */ - mutex_lock(&i7core_edac_lock); - rc = i7core_get_devices(&sockets); - if (unlikely(rc < 0)) - goto fail0; - - for (i = 0; i < sockets; i++) { - int channels; - int csrows; - - /* Check the number of active and not disabled channels */ - rc = i7core_get_active_channels(i, &channels, &csrows); - if (unlikely(rc < 0)) - goto fail1; - - num_channels += channels; - num_csrows += csrows; - } + int rc; /* allocate a new MC control structure */ mci = edac_mc_alloc(sizeof(*pvt), num_csrows, num_channels, 0); - if (unlikely(!mci)) { - rc = -ENOMEM; - goto fail1; - } + if (unlikely(!mci)) + return -ENOMEM; debugf0("MC: " __FILE__ ": %s(): mci = %p\n", __func__, mci); - mci->dev = &pdev->dev; /* record ptr to the generic device */ + /* record ptr to the generic device */ + mci->dev = &i7core_dev->pdev[0]->dev; + pvt = mci->pvt_info; memset(pvt, 0, sizeof(*pvt)); - pvt->sockets = sockets; mci->mc_idx = 0; /* @@ -1824,21 +1731,21 @@ static int __devinit i7core_probe(struct pci_dev *pdev, mci->edac_cap = EDAC_FLAG_NONE; mci->mod_name = "i7core_edac.c"; mci->mod_ver = I7CORE_REVISION; - mci->ctl_name = i7core_probe_devs[dev_idx].ctl_name; - mci->dev_name = pci_name(pdev); + mci->ctl_name = kasprintf(GFP_KERNEL, "i7 core #%d", + i7core_dev->socket); + mci->dev_name = pci_name(i7core_dev->pdev[0]); mci->ctl_page_to_phys = NULL; mci->mc_driver_sysfs_attributes = i7core_inj_attrs; /* Set the function pointer to an actual operation function */ mci->edac_check = i7core_check_error; /* Store pci devices at mci for faster access */ - rc = mci_bind_devs(mci); + rc = mci_bind_devs(mci, i7core_dev); if (unlikely(rc < 0)) - goto fail2; + goto fail; /* Get dimm basic config */ - for (i = 0; i < sockets; i++) - get_dimm_config(mci, &csrow, i); + get_dimm_config(mci, &csrow); /* add this new MC control structure to EDAC's list of MCs */ if (unlikely(edac_mc_add_mc(mci))) { @@ -1849,11 +1756,12 @@ static int __devinit i7core_probe(struct pci_dev *pdev, */ rc = -EINVAL; - goto fail2; + goto fail; } /* allocating generic PCI control info */ - i7core_pci = edac_pci_create_generic_ctl(&pdev->dev, EDAC_MOD_STR); + i7core_pci = edac_pci_create_generic_ctl(&i7core_dev->pdev[0]->dev, + EDAC_MOD_STR); if (unlikely(!i7core_pci)) { printk(KERN_WARNING "%s(): Unable to create PCI control\n", @@ -1880,7 +1788,50 @@ static int __devinit i7core_probe(struct pci_dev *pdev, if (unlikely(rc < 0)) { debugf0("MC: " __FILE__ ": %s(): failed edac_mce_register()\n", __func__); - goto fail2; + } + +fail: + edac_mc_free(mci); + return rc; +} + +/* + * i7core_probe Probe for ONE instance of device to see if it is + * present. + * return: + * 0 for FOUND a device + * < 0 for error code + */ +static int __devinit i7core_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + int dev_idx = id->driver_data; + int rc; + struct i7core_dev *i7core_dev; + + /* + * FIXME: All memory controllers are allocated at the first pass. + */ + if (unlikely(dev_idx >= 1)) + return -EINVAL; + + /* get the pci devices we want to reserve for our use */ + mutex_lock(&i7core_edac_lock); + rc = i7core_get_devices(); + if (unlikely(rc < 0)) + goto fail0; + + list_for_each_entry(i7core_dev, &i7core_edac_list, list) { + int channels; + int csrows; + + /* Check the number of active and not disabled channels */ + rc = i7core_get_active_channels(i7core_dev->socket, + &channels, &csrows); + if (unlikely(rc < 0)) + goto fail1; + + i7core_register_mci(i7core_dev, channels, csrows); } i7core_printk(KERN_INFO, "Driver loaded.\n"); @@ -1888,9 +1839,6 @@ static int __devinit i7core_probe(struct pci_dev *pdev, mutex_unlock(&i7core_edac_lock); return 0; -fail2: - edac_mc_free(mci); - fail1: i7core_put_devices(); fail0: @@ -1926,6 +1874,7 @@ static void __devexit i7core_remove(struct pci_dev *pdev) i7core_put_devices(); mutex_unlock(&i7core_edac_lock); + kfree(mci->ctl_name); edac_mc_free(mci); } |