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author | Brian King <brking@linux.vnet.ibm.com> | 2013-01-11 17:43:49 -0600 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2013-01-30 10:48:51 +1100 |
commit | b3b3b4070dc01f6b11cae6d5632cd0f428a81aab (patch) | |
tree | cfaba402ec332b5b6f587682628f80e3f53b29ed | |
parent | a2e49cb262208a4c3adec7788ecc1179e07dc912 (diff) | |
download | linux-b3b3b4070dc01f6b11cae6d5632cd0f428a81aab.tar.gz linux-b3b3b4070dc01f6b11cae6d5632cd0f428a81aab.tar.bz2 linux-b3b3b4070dc01f6b11cae6d5632cd0f428a81aab.zip |
[SCSI] ipr: Resource path error logging cleanup
The resource path as displayed by the ipr driver is the
location string identifying a location on the SAS fabric.
This patch adds the SCSI host number such that error logs
can be more easily correlated in multiple adapter configurations.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r-- | drivers/scsi/ipr.c | 78 | ||||
-rw-r--r-- | drivers/scsi/ipr.h | 5 |
2 files changed, 56 insertions, 27 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 0a152ef8b741..bd20639ec66c 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -1166,14 +1166,15 @@ static int ipr_is_same_device(struct ipr_resource_entry *res, } /** - * ipr_format_res_path - Format the resource path for printing. + * __ipr_format_res_path - Format the resource path for printing. * @res_path: resource path * @buf: buffer + * @len: length of buffer provided * * Return value: * pointer to buffer **/ -static char *ipr_format_res_path(u8 *res_path, char *buffer, int len) +static char *__ipr_format_res_path(u8 *res_path, char *buffer, int len) { int i; char *p = buffer; @@ -1187,6 +1188,27 @@ static char *ipr_format_res_path(u8 *res_path, char *buffer, int len) } /** + * ipr_format_res_path - Format the resource path for printing. + * @ioa_cfg: ioa config struct + * @res_path: resource path + * @buf: buffer + * @len: length of buffer provided + * + * Return value: + * pointer to buffer + **/ +static char *ipr_format_res_path(struct ipr_ioa_cfg *ioa_cfg, + u8 *res_path, char *buffer, int len) +{ + char *p = buffer; + + *p = '\0'; + p += snprintf(p, buffer + len - p, "%d/", ioa_cfg->host->host_no); + __ipr_format_res_path(res_path, p, len - (buffer - p)); + return buffer; +} + +/** * ipr_update_res_entry - Update the resource entry. * @res: resource entry struct * @cfgtew: config table entry wrapper struct @@ -1226,8 +1248,8 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res, if (res->sdev && new_path) sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", - ipr_format_res_path(res->res_path, buffer, - sizeof(buffer))); + ipr_format_res_path(res->ioa_cfg, + res->res_path, buffer, sizeof(buffer))); } else { res->flags = cfgtew->u.cfgte->flags; if (res->flags & IPR_IS_IOA_RESOURCE) @@ -1613,8 +1635,8 @@ static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err_separator; ipr_err("Device %d : %s", i + 1, - ipr_format_res_path(dev_entry->res_path, buffer, - sizeof(buffer))); + __ipr_format_res_path(dev_entry->res_path, + buffer, sizeof(buffer))); ipr_log_ext_vpd(&dev_entry->vpd); ipr_err("-----New Device Information-----\n"); @@ -1960,14 +1982,16 @@ static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", path_active_desc[i].desc, path_state_desc[j].desc, - ipr_format_res_path(fabric->res_path, buffer, - sizeof(buffer))); + ipr_format_res_path(hostrcb->ioa_cfg, + fabric->res_path, + buffer, sizeof(buffer))); return; } } ipr_err("Path state=%02X Resource Path=%s\n", path_state, - ipr_format_res_path(fabric->res_path, buffer, sizeof(buffer))); + ipr_format_res_path(hostrcb->ioa_cfg, fabric->res_path, + buffer, sizeof(buffer))); } static const struct { @@ -2108,18 +2132,20 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", path_status_desc[j].desc, path_type_desc[i].desc, - ipr_format_res_path(cfg->res_path, buffer, - sizeof(buffer)), - link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], - be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + ipr_format_res_path(hostrcb->ioa_cfg, + cfg->res_path, buffer, sizeof(buffer)), + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), + be32_to_cpu(cfg->wwid[1])); return; } } ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " "WWN=%08X%08X\n", cfg->type_status, - ipr_format_res_path(cfg->res_path, buffer, sizeof(buffer)), - link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], - be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); + ipr_format_res_path(hostrcb->ioa_cfg, + cfg->res_path, buffer, sizeof(buffer)), + link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], + be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); } /** @@ -2182,7 +2208,8 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("RAID %s Array Configuration: %s\n", error->protection_level, - ipr_format_res_path(error->last_res_path, buffer, sizeof(buffer))); + ipr_format_res_path(ioa_cfg, error->last_res_path, + buffer, sizeof(buffer))); ipr_err_separator; @@ -2203,11 +2230,12 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("Array Member %d:\n", i); ipr_log_ext_vpd(&array_entry->vpd); ipr_err("Current Location: %s\n", - ipr_format_res_path(array_entry->res_path, buffer, - sizeof(buffer))); + ipr_format_res_path(ioa_cfg, array_entry->res_path, + buffer, sizeof(buffer))); ipr_err("Expected Location: %s\n", - ipr_format_res_path(array_entry->expected_res_path, - buffer, sizeof(buffer))); + ipr_format_res_path(ioa_cfg, + array_entry->expected_res_path, + buffer, sizeof(buffer))); ipr_err_separator; } @@ -4227,8 +4255,8 @@ static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribut res = (struct ipr_resource_entry *)sdev->hostdata; if (res && ioa_cfg->sis64) len = snprintf(buf, PAGE_SIZE, "%s\n", - ipr_format_res_path(res->res_path, buffer, - sizeof(buffer))); + __ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); else if (res) len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, res->bus, res->target, res->lun); @@ -4556,8 +4584,8 @@ static int ipr_slave_configure(struct scsi_device *sdev) scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); if (ioa_cfg->sis64) sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", - ipr_format_res_path(res->res_path, buffer, - sizeof(buffer))); + ipr_format_res_path(ioa_cfg, + res->res_path, buffer, sizeof(buffer))); return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 87762fc404c1..449309a21107 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -409,7 +409,7 @@ struct ipr_config_table_entry64 { __be64 dev_id; __be64 lun; __be64 lun_wwn[2]; -#define IPR_MAX_RES_PATH_LENGTH 24 +#define IPR_MAX_RES_PATH_LENGTH 48 __be64 res_path; struct ipr_std_inq_data std_inq_data; u8 reserved2[4]; @@ -1722,7 +1722,8 @@ struct ipr_ucode_image_header { if (ipr_is_device(hostrcb)) { \ if ((hostrcb)->ioa_cfg->sis64) { \ printk(KERN_ERR IPR_NAME ": %s: " fmt, \ - ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \ + ipr_format_res_path(hostrcb->ioa_cfg, \ + hostrcb->hcam.u.error64.fd_res_path, \ hostrcb->rp_buffer, \ sizeof(hostrcb->rp_buffer)), \ __VA_ARGS__); \ |