diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/edac/amd76x_edac.c | 23 | ||||
| -rw-r--r-- | drivers/edac/e752x_edac.c | 23 | ||||
| -rw-r--r-- | drivers/edac/e7xxx_edac.c | 16 | ||||
| -rw-r--r-- | drivers/edac/edac_mc.c | 538 | ||||
| -rw-r--r-- | drivers/edac/edac_mc.h | 16 | ||||
| -rw-r--r-- | drivers/edac/i82860_edac.c | 30 | ||||
| -rw-r--r-- | drivers/edac/i82875p_edac.c | 30 | ||||
| -rw-r--r-- | drivers/edac/r82600_edac.c | 21 |
8 files changed, 374 insertions, 323 deletions
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c index 53423ad..7fd6283 100644 --- a/drivers/edac/amd76x_edac.c +++ b/drivers/edac/amd76x_edac.c @@ -20,6 +20,9 @@ #include <linux/slab.h> #include "edac_mc.h" +#define AMD76X_REVISION " Ver: 2.0.0 " __DATE__ + + #define amd76x_printk(level, fmt, arg...) \ edac_printk(level, "amd76x", fmt, ##arg) @@ -102,15 +105,18 @@ static const struct amd76x_dev_info amd76x_devs[] = { static void amd76x_get_error_info(struct mem_ctl_info *mci, struct amd76x_error_info *info) { - pci_read_config_dword(mci->pdev, AMD76X_ECC_MODE_STATUS, + struct pci_dev *pdev; + + pdev = to_pci_dev(mci->dev); + pci_read_config_dword(pdev, AMD76X_ECC_MODE_STATUS, &info->ecc_mode_status); if (info->ecc_mode_status & BIT(8)) - pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS, + pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS, (u32) BIT(8), (u32) BIT(8)); if (info->ecc_mode_status & BIT(9)) - pci_write_bits32(mci->pdev, AMD76X_ECC_MODE_STATUS, + pci_write_bits32(pdev, AMD76X_ECC_MODE_STATUS, (u32) BIT(9), (u32) BIT(9)); } @@ -211,13 +217,13 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) } debugf0("%s(): mci = %p\n", __func__, mci); - mci->pdev = pdev; + mci->dev = &pdev->dev; mci->mtype_cap = MEM_FLAG_RDDR; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED; mci->edac_cap = ems_mode ? (EDAC_FLAG_EC | EDAC_FLAG_SECDED) : EDAC_FLAG_NONE; mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.4.2.5 $"; + mci->mod_ver = AMD76X_REVISION; mci->ctl_name = amd76x_devs[dev_idx].ctl_name; mci->edac_check = amd76x_check; mci->ctl_page_to_phys = NULL; @@ -230,7 +236,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) u32 dms; /* find the DRAM Chip Select Base address and mask */ - pci_read_config_dword(mci->pdev, + pci_read_config_dword(pdev, AMD76X_MEM_BASE_ADDR + (index * 4), &mba); if (!(mba & BIT(0))) @@ -238,8 +244,7 @@ static int amd76x_probe1(struct pci_dev *pdev, int dev_idx) mba_base = mba & 0xff800000UL; mba_mask = ((mba & 0xff80) << 16) | 0x7fffffUL; - pci_read_config_dword(mci->pdev, AMD76X_DRAM_MODE_STATUS, - &dms); + pci_read_config_dword(pdev, AMD76X_DRAM_MODE_STATUS, &dms); csrow->first_page = mba_base >> PAGE_SHIFT; csrow->nr_pages = (mba_mask + 1) >> PAGE_SHIFT; csrow->last_page = csrow->first_page + csrow->nr_pages - 1; @@ -291,7 +296,7 @@ static void __devexit amd76x_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; edac_mc_free(mci); diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c index fce3193..de9f332 100644 --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -25,6 +25,8 @@ #include <linux/slab.h> #include "edac_mc.h" +#define E752X_REVISION " Ver: 2.0.0 " __DATE__ + static int force_function_unhide; #define e752x_printk(level, fmt, arg...) \ @@ -819,8 +821,8 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) EDAC_FLAG_S4ECD4ED; /* FIXME - what if different memory types are in different csrows? */ mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.5.2.11 $"; - mci->pdev = pdev; + mci->mod_ver = E752X_REVISION; + mci->dev = &pdev->dev; debugf3("%s(): init pvt\n", __func__); pvt = (struct e752x_pvt *) mci->pvt_info; @@ -864,7 +866,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) struct csrow_info *csrow = &mci->csrows[index]; mem_dev = (mem_dev == 2); - pci_read_config_byte(mci->pdev, E752X_DRB + index, &value); + pci_read_config_byte(pdev, E752X_DRB + index, &value); /* convert a 128 or 64 MiB DRB to a page size. */ cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, @@ -904,8 +906,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) u8 row = 0; for (index = 0; index < 8; index += 2) { - pci_read_config_byte(mci->pdev, E752X_DRB + index, - &value); + pci_read_config_byte(pdev, E752X_DRB + index, &value); /* test if there is a dimm in this slot */ if (value == last) { @@ -918,7 +919,7 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) last = value; /* test the next value to see if the dimm is double sided */ - pci_read_config_byte(mci->pdev, + pci_read_config_byte(pdev, E752X_DRB + index + 1, &value); pvt->map[index + 1] = (value == last) ? @@ -935,18 +936,18 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx) } /* set the map type. 1 = normal, 0 = reversed */ - pci_read_config_byte(mci->pdev, E752X_DRM, &stat8); + pci_read_config_byte(pdev, E752X_DRM, &stat8); pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f)); mci->edac_cap |= EDAC_FLAG_NONE; debugf3("%s(): tolm, remapbase, remaplimit\n", __func__); /* load the top of low memory, remap base, and remap limit vars */ - pci_read_config_word(mci->pdev, E752X_TOLM, &pci_data); + pci_read_config_word(pdev, E752X_TOLM, &pci_data); pvt->tolm = ((u32) pci_data) << 4; - pci_read_config_word(mci->pdev, E752X_REMAPBASE, &pci_data); + pci_read_config_word(pdev, E752X_REMAPBASE, &pci_data); pvt->remapbase = ((u32) pci_data) << 14; - pci_read_config_word(mci->pdev, E752X_REMAPLIMIT, &pci_data); + pci_read_config_word(pdev, E752X_REMAPLIMIT, &pci_data); pvt->remaplimit = ((u32) pci_data) << 14; e752x_printk(KERN_INFO, "tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm, @@ -1015,7 +1016,7 @@ static void __devexit e752x_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; pvt = (struct e752x_pvt *) mci->pvt_info; diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c index a9518d3..d601d53 100644 --- a/drivers/edac/e7xxx_edac.c +++ b/drivers/edac/e7xxx_edac.c @@ -30,6 +30,8 @@ #include <linux/slab.h> #include "edac_mc.h" +#define E7XXX_REVISION " Ver: 2.0.0 " __DATE__ + #define e7xxx_printk(level, fmt, arg...) \ edac_printk(level, "e7xxx", fmt, ##arg) @@ -373,8 +375,8 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) EDAC_FLAG_S4ECD4ED; /* FIXME - what if different memory types are in different csrows? */ mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.5.2.9 $"; - mci->pdev = pdev; + mci->mod_ver = E7XXX_REVISION; + mci->dev = &pdev->dev; debugf3("%s(): init pvt\n", __func__); pvt = (struct e7xxx_pvt *) mci->pvt_info; @@ -411,7 +413,7 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) int mem_dev = (dra >> (index * 4 + 3)) & 0x1; struct csrow_info *csrow = &mci->csrows[index]; - pci_read_config_byte(mci->pdev, E7XXX_DRB + index, &value); + pci_read_config_byte(pdev, E7XXX_DRB + index, &value); /* convert a 64 or 32 MiB DRB to a page size. */ cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, @@ -448,11 +450,11 @@ static int e7xxx_probe1(struct pci_dev *pdev, int dev_idx) debugf3("%s(): tolm, remapbase, remaplimit\n", __func__); /* load the top of low memory, remap base, and remap limit vars */ - pci_read_config_word(mci->pdev, E7XXX_TOLM, &pci_data); + pci_read_config_word(pdev, E7XXX_TOLM, &pci_data); pvt->tolm = ((u32) pci_data) << 4; - pci_read_config_word(mci->pdev, E7XXX_REMAPBASE, &pci_data); + pci_read_config_word(pdev, E7XXX_REMAPBASE, &pci_data); pvt->remapbase = ((u32) pci_data) << 14; - pci_read_config_word(mci->pdev, E7XXX_REMAPLIMIT, &pci_data); + pci_read_config_word(pdev, E7XXX_REMAPLIMIT, &pci_data); pvt->remaplimit = ((u32) pci_data) << 14; e7xxx_printk(KERN_INFO, "tolm = %x, remapbase = %x, remaplimit = %x\n", pvt->tolm, @@ -498,7 +500,7 @@ static void __devexit e7xxx_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; pvt = (struct e7xxx_pvt *) mci->pvt_info; diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index ea06e3a..603de8b 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -54,16 +54,17 @@ static int log_ce = 1; static int panic_on_ue; static int poll_msec = 1000; -static int check_pci_parity = 0; /* default YES check PCI parity */ -static int panic_on_pci_parity; /* default no panic on PCI Parity */ -static atomic_t pci_parity_count = ATOMIC_INIT(0); - /* lock to memory controller's control array */ static DECLARE_MUTEX(mem_ctls_mutex); static struct list_head mc_devices = LIST_HEAD_INIT(mc_devices); static struct task_struct *edac_thread; +#ifdef CONFIG_PCI +static int check_pci_parity = 0; /* default YES check PCI parity */ +static int panic_on_pci_parity; /* default no panic on PCI Parity */ +static atomic_t pci_parity_count = ATOMIC_INIT(0); + /* Structure of the whitelist and blacklist arrays */ struct edac_pci_device_list { unsigned int vendor; /* Vendor ID */ @@ -80,6 +81,12 @@ static int pci_blacklist_count; static struct edac_pci_device_list pci_whitelist[MAX_LISTED_PCI_DEVICES]; static int pci_whitelist_count ; +#ifndef DISABLE_EDAC_SYSFS +static struct kobject edac_pci_kobj; /* /sys/devices/system/edac/pci */ +static struct completion edac_pci_kobj_complete; +#endif /* DISABLE_EDAC_SYSFS */ +#endif /* CONFIG_PCI */ + /* START sysfs data and methods */ #ifndef DISABLE_EDAC_SYSFS @@ -127,18 +134,15 @@ static struct sysdev_class edac_class = { set_kset_name("edac"), }; -/* sysfs objects: +/* sysfs object: * /sys/devices/system/edac/mc - * /sys/devices/system/edac/pci */ static struct kobject edac_memctrl_kobj; -static struct kobject edac_pci_kobj; /* We use these to wait for the reference counts on edac_memctrl_kobj and * edac_pci_kobj to reach 0. */ static struct completion edac_memctrl_kobj_complete; -static struct completion edac_pci_kobj_complete; /* * /sys/devices/system/edac/mc; @@ -324,6 +328,8 @@ static void edac_sysfs_memctrl_teardown(void) #endif /* DISABLE_EDAC_SYSFS */ } +#ifdef CONFIG_PCI + #ifndef DISABLE_EDAC_SYSFS /* @@ -624,6 +630,252 @@ static void edac_sysfs_pci_teardown(void) #endif } + +static u16 get_pci_parity_status(struct pci_dev *dev, int secondary) +{ + int where; + u16 status; + + where = secondary ? PCI_SEC_STATUS : PCI_STATUS; + pci_read_config_word(dev, where, &status); + + /* If we get back 0xFFFF then we must suspect that the card has been + * pulled but the Linux PCI layer has not yet finished cleaning up. + * We don't want to report on such devices + */ + + if (status == 0xFFFF) { + u32 sanity; + + pci_read_config_dword(dev, 0, &sanity); + + if (sanity == 0xFFFFFFFF) + return 0; + } + + status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR | + PCI_STATUS_PARITY; + + if (status) + /* reset only the bits we are interested in */ + pci_write_config_word(dev, where, status); + + return status; +} + +typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev); + +/* Clear any PCI parity errors logged by this device. */ +static void edac_pci_dev_parity_clear(struct pci_dev *dev) +{ + u8 header_type; + + get_pci_parity_status(dev, 0); + + /* read the device TYPE, looking for bridges */ + pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type); + + if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) + get_pci_parity_status(dev, 1); +} + +/* + * PCI Parity polling + * + */ +static void edac_pci_dev_parity_test(struct pci_dev *dev) +{ + u16 status; + u8 header_type; + + /* read the STATUS register on this device + */ + status = get_pci_parity_status(dev, 0); + + debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id ); + + /* check the status reg for errors */ + if (status) { + if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) + edac_printk(KERN_CRIT, EDAC_PCI, + "Signaled System Error on %s\n", + pci_name(dev)); + + if (status & (PCI_STATUS_PARITY)) { + edac_printk(KERN_CRIT, EDAC_PCI, + "Master Data Parity Error on %s\n", + pci_name(dev)); + + atomic_inc(&pci_parity_count); + } + + if (status & (PCI_STATUS_DETECTED_PARITY)) { + edac_printk(KERN_CRIT, EDAC_PCI, + "Detected Parity Error on %s\n", + pci_name(dev)); + + atomic_inc(&pci_parity_count); + } + } + + /* read the device TYPE, looking for bridges */ + pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type); + + debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id ); + + if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) { + /* On bridges, need to examine secondary status register */ + status = get_pci_parity_status(dev, 1); + + debugf2("PCI SEC_STATUS= 0x%04x %s\n", + status, dev->dev.bus_id ); + + /* check the secondary status reg for errors */ + if (status) { + if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) + edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " + "Signaled System Error on %s\n", + pci_name(dev)); + + if (status & (PCI_STATUS_PARITY)) { + edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " + "Master Data Parity Error on " + "%s\n", pci_name(dev)); + + atomic_inc(&pci_parity_count); + } + + if (status & (PCI_STATUS_DETECTED_PARITY)) { + edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " + "Detected Parity Error on %s\n", + pci_name(dev)); + + atomic_inc(&pci_parity_count); + } + } + } +} + +/* + * check_dev_on_list: Scan for a PCI device on a white/black list + * @list: an EDAC &edac_pci_device_list white/black list pointer + * @free_index: index of next free entry on the list + * @pci_dev: PCI Device pointer + * + * see if list contains the device. + * + * Returns: 0 not found + * 1 found on list + */ +static int check_dev_on_list(struct edac_pci_device_list *list, + int free_index, struct pci_dev *dev) +{ + int i; + int rc = 0; /* Assume not found */ + unsigned short vendor=dev->vendor; + unsigned short device=dev->device; + + /* Scan the list, looking for a vendor/device match */ + for (i = 0; i < free_index; i++, list++ ) { + if ((list->vendor == vendor ) && (list->device == device )) { + rc = 1; + break; + } + } + + return rc; +} + +/* + * pci_dev parity list iterator + * Scan the PCI device list for one iteration, looking for SERRORs + * Master Parity ERRORS or Parity ERRORs on primary or secondary devices + */ +static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn) +{ + struct pci_dev *dev = NULL; + + /* request for kernel access to the next PCI device, if any, + * and while we are looking at it have its reference count + * bumped until we are done with it + */ + while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + /* if whitelist exists then it has priority, so only scan + * those devices on the whitelist + */ + if (pci_whitelist_count > 0 ) { + if (check_dev_on_list(pci_whitelist, + pci_whitelist_count, dev)) + fn(dev); + } else { + /* + * if no whitelist, then check if this devices is + * blacklisted + */ + if (!check_dev_on_list(pci_blacklist, + pci_blacklist_count, dev)) + fn(dev); + } + } +} + +static void do_pci_parity_check(void) +{ + unsigned long flags; + int before_count; + + debugf3("%s()\n", __func__); + + if (!check_pci_parity) + return; + + before_count = atomic_read(&pci_parity_count); + + /* scan all PCI devices looking for a Parity Error on devices and + * bridges + */ + local_irq_save(flags); + edac_pci_dev_parity_iterator(edac_pci_dev_parity_test); + local_irq_restore(flags); + + /* Only if operator has selected panic on PCI Error */ + if (panic_on_pci_parity) { + /* If the count is different 'after' from 'before' */ + if (before_count != atomic_read(&pci_parity_count)) + panic("EDAC: PCI Parity Error"); + } +} + +static inline void clear_pci_parity_errors(void) +{ + /* Clear any PCI bus parity errors that devices initially have logged + * in their registers. + */ + edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear); +} + +#else /* CONFIG_PCI */ + +static inline void do_pci_parity_check(void) +{ + /* no-op */ +} + +static inline void clear_pci_parity_errors(void) +{ + /* no-op */ +} + +static void edac_sysfs_pci_teardown(void) +{ +} + +static int edac_sysfs_pci_setup(void) +{ + return 0; +} +#endif /* CONFIG_PCI */ + #ifndef DISABLE_EDAC_SYSFS /* EDAC sysfs CSROW data structures and methods */ @@ -1132,7 +1384,7 @@ static int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) return err; /* create a symlink for the device */ - err = sysfs_create_link(edac_mci_kobj, &mci->pdev->dev.kobj, + err = sysfs_create_link(edac_mci_kobj, &mci->dev->kobj, EDAC_DEVICE_SYMLINK); if (err) @@ -1238,7 +1490,7 @@ void edac_mc_dump_mci(struct mem_ctl_info *mci) debugf4("\tmci->edac_check = %p\n", mci->edac_check); debugf3("\tmci->nr_csrows = %d, csrows = %p\n", mci->nr_csrows, mci->csrows); - debugf3("\tpdev = %p\n", mci->pdev); + debugf3("\tdev = %p\n", mci->dev); debugf3("\tmod_name:ctl_name = %s:%s\n", mci->mod_name, mci->ctl_name); debugf3("\tpvt_info = %p\n\n", mci->pvt_info); @@ -1363,7 +1615,7 @@ void edac_mc_free(struct mem_ctl_info *mci) } EXPORT_SYMBOL_GPL(edac_mc_free); -static struct mem_ctl_info *find_mci_by_pdev(struct pci_dev *pdev) +static struct mem_ctl_info *find_mci_by_dev(struct device *dev) { struct mem_ctl_info *mci; struct list_head *item; @@ -1373,7 +1625,7 @@ static struct mem_ctl_info *find_mci_by_pdev(struct pci_dev *pdev) list_for_each(item, &mc_devices) { mci = list_entry(item, struct mem_ctl_info, link); - if (mci->pdev == pdev) + if (mci->dev == dev) return mci; } @@ -1390,12 +1642,12 @@ static int add_mc_to_global_list(struct mem_ctl_info *mci) mci->mc_idx = 0; insert_before = &mc_devices; } else { - if (find_mci_by_pdev(mci->pdev)) { + if (find_mci_by_dev(mci->dev)) { edac_printk(KERN_WARNING, EDAC_MC, "%s (%s) %s %s already assigned %d\n", - mci->pdev->dev.bus_id, - pci_name(mci->pdev), mci->mod_name, - mci->ctl_name, mci->mc_idx); + mci->dev->bus_id, dev_name(mci->dev), + mci->mod_name, mci->ctl_name, + mci->mc_idx); return 1; } @@ -1486,8 +1738,8 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) } /* Report action taken */ - edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: PCI %s\n", - mci->mod_name, mci->ctl_name, pci_name(mci->pdev)); + edac_mc_printk(mci, KERN_INFO, "Giving out device to %s %s: DEV %s\n", + mci->mod_name, mci->ctl_name, dev_name(mci->dev)); up(&mem_ctls_mutex); return 0; @@ -1504,18 +1756,18 @@ EXPORT_SYMBOL_GPL(edac_mc_add_mc); /** * edac_mc_del_mc: Remove sysfs entries for specified mci structure and * remove mci structure from global list - * @pdev: Pointer to 'struct pci_dev' representing mci structure to remove. + * @pdev: Pointer to 'struct device' representing mci structure to remove. * * Return pointer to removed mci structure, or NULL if device not found. */ -struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev) +struct mem_ctl_info * edac_mc_del_mc(struct device *dev) { struct mem_ctl_info *mci; debugf0("MC: %s()\n", __func__); down(&mem_ctls_mutex); - if ((mci = find_mci_by_pdev(pdev)) == NULL) { + if ((mci = find_mci_by_dev(dev)) == NULL) { up(&mem_ctls_mutex); return NULL; } @@ -1524,8 +1776,8 @@ struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev) del_mc_from_global_list(mci); up(&mem_ctls_mutex); edac_printk(KERN_INFO, EDAC_MC, - "Removed device %d for %s %s: PCI %s\n", mci->mc_idx, - mci->mod_name, mci->ctl_name, pci_name(mci->pdev)); + "Removed device %d for %s %s: DEV %s\n", mci->mc_idx, + mci->mod_name, mci->ctl_name, dev_name(mci->dev)); return mci; } EXPORT_SYMBOL_GPL(edac_mc_del_mc); @@ -1739,244 +1991,6 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg) } EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info); -#ifdef CONFIG_PCI - -static u16 get_pci_parity_status(struct pci_dev *dev, int secondary) -{ - int where; - u16 status; - - where = secondary ? PCI_SEC_STATUS : PCI_STATUS; - pci_read_config_word(dev, where, &status); - - /* If we get back 0xFFFF then we must suspect that the card has been - * pulled but the Linux PCI layer has not yet finished cleaning up. - * We don't want to report on such devices - */ - - if (status == 0xFFFF) { - u32 sanity; - - pci_read_config_dword(dev, 0, &sanity); - - if (sanity == 0xFFFFFFFF) - return 0; - } - - status &= PCI_STATUS_DETECTED_PARITY | PCI_STATUS_SIG_SYSTEM_ERROR | - PCI_STATUS_PARITY; - - if (status) - /* reset only the bits we are interested in */ - pci_write_config_word(dev, where, status); - - return status; -} - -typedef void (*pci_parity_check_fn_t) (struct pci_dev *dev); - -/* Clear any PCI parity errors logged by this device. */ -static void edac_pci_dev_parity_clear(struct pci_dev *dev) -{ - u8 header_type; - - get_pci_parity_status(dev, 0); - - /* read the device TYPE, looking for bridges */ - pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type); - - if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) - get_pci_parity_status(dev, 1); -} - -/* - * PCI Parity polling - * - */ -static void edac_pci_dev_parity_test(struct pci_dev *dev) -{ - u16 status; - u8 header_type; - - /* read the STATUS register on this device - */ - status = get_pci_parity_status(dev, 0); - - debugf2("PCI STATUS= 0x%04x %s\n", status, dev->dev.bus_id ); - - /* check the status reg for errors */ - if (status) { - if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) - edac_printk(KERN_CRIT, EDAC_PCI, - "Signaled System Error on %s\n", - pci_name(dev)); - - if (status & (PCI_STATUS_PARITY)) { - edac_printk(KERN_CRIT, EDAC_PCI, - "Master Data Parity Error on %s\n", - pci_name(dev)); - - atomic_inc(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { - edac_printk(KERN_CRIT, EDAC_PCI, - "Detected Parity Error on %s\n", - pci_name(dev)); - - atomic_inc(&pci_parity_count); - } - } - - /* read the device TYPE, looking for bridges */ - pci_read_config_byte(dev, PCI_HEADER_TYPE, &header_type); - - debugf2("PCI HEADER TYPE= 0x%02x %s\n", header_type, dev->dev.bus_id ); - - if ((header_type & 0x7F) == PCI_HEADER_TYPE_BRIDGE) { - /* On bridges, need to examine secondary status register */ - status = get_pci_parity_status(dev, 1); - - debugf2("PCI SEC_STATUS= 0x%04x %s\n", - status, dev->dev.bus_id ); - - /* check the secondary status reg for errors */ - if (status) { - if (status & (PCI_STATUS_SIG_SYSTEM_ERROR)) - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Signaled System Error on %s\n", - pci_name(dev)); - - if (status & (PCI_STATUS_PARITY)) { - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Master Data Parity Error on " - "%s\n", pci_name(dev)); - - atomic_inc(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Detected Parity Error on %s\n", - pci_name(dev)); - - atomic_inc(&pci_parity_count); - } - } - } -} - -/* - * check_dev_on_list: Scan for a PCI device on a white/black list - * @list: an EDAC &edac_pci_device_list white/black list pointer - * @free_index: index of next free entry on the list - * @pci_dev: PCI Device pointer - * - * see if list contains the device. - * - * Returns: 0 not found - * 1 found on list - */ -static int check_dev_on_list(struct edac_pci_device_list *list, - int free_index, struct pci_dev *dev) -{ - int i; - int rc = 0; /* Assume not found */ - unsigned short vendor=dev->vendor; - unsigned short device=dev->device; - - /* Scan the list, looking for a vendor/device match */ - for (i = 0; i < free_index; i++, list++ ) { - if ((list->vendor == vendor ) && (list->device == device )) { - rc = 1; - break; - } - } - - return rc; -} - -/* - * pci_dev parity list iterator - * Scan the PCI device list for one iteration, looking for SERRORs - * Master Parity ERRORS or Parity ERRORs on primary or secondary devices - */ -static inline void edac_pci_dev_parity_iterator(pci_parity_check_fn_t fn) -{ - struct pci_dev *dev = NULL; - - /* request for kernel access to the next PCI device, if any, - * and while we are looking at it have its reference count - * bumped until we are done with it - */ - while((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { - /* if whitelist exists then it has priority, so only scan - * those devices on the whitelist - */ - if (pci_whitelist_count > 0 ) { - if (check_dev_on_list(pci_whitelist, - pci_whitelist_count, dev)) - fn(dev); - } else { - /* - * if no whitelist, then check if this devices is - * blacklisted - */ - if (!check_dev_on_list(pci_blacklist, - pci_blacklist_count, dev)) - fn(dev); - } - } -} - -static void do_pci_parity_check(void) -{ - unsigned long flags; - int before_count; - - debugf3("%s()\n", __func__); - - if (!check_pci_parity) - return; - - before_count = atomic_read(&pci_parity_count); - - /* scan all PCI devices looking for a Parity Error on devices and - * bridges - */ - local_irq_save(flags); - edac_pci_dev_parity_iterator(edac_pci_dev_parity_test); - local_irq_restore(flags); - - /* Only if operator has selected panic on PCI Error */ - if (panic_on_pci_parity) { - /* If the count is different 'after' from 'before' */ - if (before_count != atomic_read(&pci_parity_count)) - panic("EDAC: PCI Parity Error"); - } -} - -static inline void clear_pci_parity_errors(void) -{ - /* Clear any PCI bus parity errors that devices initially have logged - * in their registers. - */ - edac_pci_dev_parity_iterator(edac_pci_dev_parity_clear); -} - -#else /* CONFIG_PCI */ - -static inline void do_pci_parity_check(void) -{ - /* no-op */ -} - -static inline void clear_pci_parity_errors(void) -{ - /* no-op */ -} - -#endif /* CONFIG_PCI */ /* * Iterate over all MC instances and check for ECC, et al, errors @@ -2096,10 +2110,12 @@ MODULE_DESCRIPTION("Core library routines for MC reporting"); module_param(panic_on_ue, int, 0644); MODULE_PARM_DESC(panic_on_ue, "Panic on uncorrected error: 0=off 1=on"); +#ifdef CONFIG_PCI module_param(check_pci_parity, int, 0644); MODULE_PARM_DESC(check_pci_parity, "Check for PCI bus parity errors: 0=off 1=on"); module_param(panic_on_pci_parity, int, 0644); MODULE_PARM_DESC(panic_on_pci_parity, "Panic on PCI Bus Parity error: 0=off 1=on"); +#endif module_param(log_ue, int, 0644); MODULE_PARM_DESC(log_ue, "Log uncorrectable error to console: 0=off 1=on"); module_param(log_ce, int, 0644); diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h index 8d9e839..a2c3a46 100644 --- a/drivers/edac/edac_mc.h +++ b/drivers/edac/edac_mc.h @@ -88,6 +88,12 @@ extern int edac_debug_level; #define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \ PCI_DEVICE_ID_ ## vend ## _ ## dev +#if defined(CONFIG_X86) && defined(CONFIG_PCI) +#define dev_name(dev) pci_name(to_pci_dev(dev)) +#else +#define dev_name(dev) to_platform_device(dev)->name +#endif + /* memory devices */ enum dev_type { DEV_UNKNOWN = 0, @@ -327,10 +333,10 @@ struct mem_ctl_info { struct csrow_info *csrows; /* * FIXME - what about controllers on other busses? - IDs must be - * unique. pdev pointer should be sufficiently unique, but + * unique. dev pointer should be sufficiently unique, but * BUS:SLOT.FUNC numbers may not be unique. */ - struct pci_dev *pdev; + struct device *dev; const char *mod_name; const char *mod_ver; const char *ctl_name; @@ -353,6 +359,8 @@ struct mem_ctl_info { struct completion kobj_complete; }; +#ifdef CONFIG_PCI + /* write all or some bits in a byte-register*/ static inline void pci_write_bits8(struct pci_dev *pdev, int offset, u8 value, u8 mask) @@ -401,6 +409,8 @@ static inline void pci_write_bits32(struct pci_dev *pdev, int offset, pci_write_config_dword(pdev, offset, value); } +#endif /* CONFIG_PCI */ + #ifdef CONFIG_EDAC_DEBUG void edac_mc_dump_channel(struct channel_info *chan); void edac_mc_dump_mci(struct mem_ctl_info *mci); @@ -408,7 +418,7 @@ void edac_mc_dump_csrow(struct csrow_info *csrow); #endif /* CONFIG_EDAC_DEBUG */ extern int edac_mc_add_mc(struct mem_ctl_info *mci); -extern struct mem_ctl_info * edac_mc_del_mc(struct pci_dev *pdev); +extern struct mem_ctl_info * edac_mc_del_mc(struct device *dev); extern int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page); extern void edac_mc_scrub_block(unsigned long page, unsigned long offset, diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index fd34216..baa021b 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c @@ -17,6 +17,8 @@ #include <linux/slab.h> #include "edac_mc.h" +#define I82860_REVISION " Ver: 2.0.0 " __DATE__ + #define i82860_printk(level, fmt, arg...) \ edac_printk(level, "i82860", fmt, ##arg) @@ -63,17 +65,21 @@ static struct pci_dev *mci_pdev = NULL; /* init dev: in case that AGP code static void i82860_get_error_info(struct mem_ctl_info *mci, struct i82860_error_info *info) { + struct pci_dev *pdev; + + pdev = to_pci_dev(mci->dev); + /* * This is a mess because there is no atomic way to read all the * registers at once and the registers can transition from CE being * overwritten by UE. */ - pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts); - pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap); - pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, &info->derrsyn); - pci_read_config_word(mci->pdev, I82860_ERRSTS, &info->errsts2); + pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts); + pci_read_config_dword(pdev, I82860_EAP, &info->eap); + pci_read_config_word(pdev, I82860_DERRCTL_STS, &info->derrsyn); + pci_read_config_word(pdev, I82860_ERRSTS, &info->errsts2); - pci_write_bits16(mci->pdev, I82860_ERRSTS, 0x0003, 0x0003); + pci_write_bits16(pdev, I82860_ERRSTS, 0x0003, 0x0003); /* * If the error is the same for both reads then the first set of reads @@ -84,8 +90,8 @@ static void i82860_get_error_info(struct mem_ctl_info *mci, return; if ((info->errsts ^ info->errsts2) & 0x0003) { - pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap); - pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, + pci_read_config_dword(pdev, I82860_EAP, &info->eap); + pci_read_config_word(pdev, I82860_DERRCTL_STS, &info->derrsyn); } } @@ -151,7 +157,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) return -ENOMEM; debugf3("%s(): init mci\n", __func__); - mci->pdev = pdev; + mci->dev = &pdev->dev; mci->mtype_cap = MEM_FLAG_DDR; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; @@ -160,12 +166,12 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) /* adjust FLAGS */ mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.1.2.6 $"; + mci->mod_ver = I82860_REVISION; mci->ctl_name = i82860_devs[dev_idx].ctl_name; mci->edac_check = i82860_check; mci->ctl_page_to_phys = NULL; - pci_read_config_word(mci->pdev, I82860_MCHCFG, &mchcfg_ddim); + pci_read_config_word(pdev, I82860_MCHCFG, &mchcfg_ddim); mchcfg_ddim = mchcfg_ddim & 0x180; /* @@ -179,7 +185,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) u32 cumul_size; struct csrow_info *csrow = &mci->csrows[index]; - pci_read_config_word(mci->pdev, I82860_GBA + index * 2, + pci_read_config_word(pdev, I82860_GBA + index * 2, &value); cumul_size = (value & I82860_GBA_MASK) << @@ -240,7 +246,7 @@ static void __devexit i82860_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; edac_mc_free(mci); diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c index 0aec926..3f509a7 100644 --- a/drivers/edac/i82875p_edac.c +++ b/drivers/edac/i82875p_edac.c @@ -21,6 +21,8 @@ #include <linux/slab.h> #include "edac_mc.h" +#define I82875P_REVISION " Ver: 2.0.0 " __DATE__ + #define i82875p_printk(level, fmt, arg...) \ edac_printk(level, "i82875p", fmt, ##arg) @@ -185,18 +187,22 @@ static int i82875p_registered = 1; static void i82875p_get_error_info(struct mem_ctl_info *mci, struct i82875p_error_info *info) { + struct pci_dev *pdev; + + pdev = to_pci_dev(mci->dev); + /* * This is a mess because there is no atomic way to read all the * registers at once and the registers can transition from CE being * overwritten by UE. */ - pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts); - pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap); - pci_read_config_byte(mci->pdev, I82875P_DES, &info->des); - pci_read_config_byte(mci->pdev, I82875P_DERRSYN, &info->derrsyn); - pci_read_config_word(mci->pdev, I82875P_ERRSTS, &info->errsts2); + pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts); + pci_read_config_dword(pdev, I82875P_EAP, &info->eap); + pci_read_config_byte(pdev, I82875P_DES, &info->des); + pci_read_config_byte(pdev, I82875P_DERRSYN, &info->derrsyn); + pci_read_config_word(pdev, I82875P_ERRSTS, &info->errsts2); - pci_write_bits16(mci->pdev, I82875P_ERRSTS, 0x0081, 0x0081); + pci_write_bits16(pdev, I82875P_ERRSTS, 0x0081, 0x0081); /* * If the error is the same then we can for both reads then @@ -208,9 +214,9 @@ static void i82875p_get_error_info(struct mem_ctl_info *mci, return; if ((info->errsts ^ info->errsts2) & 0x0081) { - pci_read_config_dword(mci->pdev, I82875P_EAP, &info->eap); - pci_read_config_byte(mci->pdev, I82875P_DES, &info->des); - pci_read_config_byte(mci->pdev, I82875P_DERRSYN, + pci_read_config_dword(pdev, I82875P_EAP, &info->eap); + pci_read_config_byte(pdev, I82875P_DES, &info->des); + pci_read_config_byte(pdev, I82875P_DERRSYN, &info->derrsyn); } } @@ -337,14 +343,14 @@ static int i82875p_probe1(struct pci_dev *pdev, int dev_idx) } debugf3("%s(): init mci\n", __func__); - mci->pdev = pdev; + mci->dev = &pdev->dev; mci->mtype_cap = MEM_FLAG_DDR; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; mci->edac_cap = EDAC_FLAG_UNKNOWN; /* adjust FLAGS */ mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.5.2.11 $"; + mci->mod_ver = I82875P_REVISION; mci->ctl_name = i82875p_devs[dev_idx].ctl_name; mci->edac_check = i82875p_check; mci->ctl_page_to_phys = NULL; @@ -437,7 +443,7 @@ static void __devexit i82875p_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; pvt = (struct i82875p_pvt *) mci->pvt_info; diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c index 2c29faf..d04769a 100644 --- a/drivers/edac/r82600_edac.c +++ b/drivers/edac/r82600_edac.c @@ -23,6 +23,8 @@ #include <linux/slab.h> #include "edac_mc.h" +#define R82600_REVISION " Ver: 2.0.0 " __DATE__ + #define r82600_printk(level, fmt, arg...) \ edac_printk(level, "r82600", fmt, ##arg) @@ -134,17 +136,20 @@ static unsigned int disable_hardware_scrub = 0; static void r82600_get_error_info (struct mem_ctl_info *mci, struct r82600_error_info *info) { - pci_read_config_dword(mci->pdev, R82600_EAP, &info->eapr); + struct pci_dev *pdev; + + pdev = to_pci_dev(mci->dev); + pci_read_config_dword(pdev, R82600_EAP, &info->eapr); if (info->eapr & BIT(0)) /* Clear error to allow next error to be reported [p.62] */ - pci_write_bits32(mci->pdev, R82600_EAP, + pci_write_bits32(pdev, R82600_EAP, ((u32) BIT(0) & (u32) BIT(1)), ((u32) BIT(0) & (u32) BIT(1))); if (info->eapr & BIT(1)) /* Clear error to allow next error to be reported [p.62] */ - pci_write_bits32(mci->pdev, R82600_EAP, + pci_write_bits32(pdev, R82600_EAP, ((u32) BIT(0) & (u32) BIT(1)), ((u32) BIT(0) & (u32) BIT(1))); } @@ -232,7 +237,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) } debugf0("%s(): mci = %p\n", __func__, mci); - mci->pdev = pdev; + mci->dev = &pdev->dev; mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR; mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED; /* FIXME try to work out if the chip leads have been used for COM2 @@ -253,7 +258,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) mci->edac_cap = EDAC_FLAG_NONE; mci->mod_name = EDAC_MOD_STR; - mci->mod_ver = "$Revision: 1.1.2.6 $"; + mci->mod_ver = R82600_REVISION; mci->ctl_name = "R82600"; mci->edac_check = r82600_check; mci->ctl_page_to_phys = NULL; @@ -265,7 +270,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) u32 row_base; /* find the DRAM Chip Select Base address and mask */ - pci_read_config_byte(mci->pdev, R82600_DRBA + index, &drbar); + pci_read_config_byte(pdev, R82600_DRBA + index, &drbar); debugf1("MC%d: %s() Row=%d DRBA = %#0x\n", mci->mc_idx, __func__, index, drbar); @@ -309,7 +314,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx) if (disable_hardware_scrub) { debugf3("%s(): Disabling Hardware Scrub (scrub on error)\n", __func__); - pci_write_bits32(mci->pdev, R82600_EAP, BIT(31), BIT(31)); + pci_write_bits32(pdev, R82600_EAP, BIT(31), BIT(31)); } debugf3("%s(): success\n", __func__); @@ -338,7 +343,7 @@ static void __devexit r82600_remove_one(struct pci_dev *pdev) debugf0("%s()\n", __func__); - if ((mci = edac_mc_del_mc(pdev)) == NULL) + if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) return; edac_mc_free(mci); |