cxlflash: Fix to avoid spamming the kernel log
During run-time the driver can be very chatty and spam the system kernel log. Various print statements can be limited and/or moved to development-only mode. Additionally, numerous prints can be converted to trace the corresponding device. Lastly, one spelling correction was made: 'entra' to 'extra'. The following changes were made: - pr_debug to pr_devel - pr_debug to pr_debug_ratelimited - pr_err to dev_err - pr_debug to dev_dbg Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Reviewed-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Matthew R. Ochs
James Bottomley
Родитель
e0f01a21c4
Коммит
4392ba49eb
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@ -58,8 +58,8 @@ static struct afu_cmd *cmd_checkout(struct afu *afu)
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cmd = &afu->cmd[k];
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if (!atomic_dec_if_positive(&cmd->free)) {
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pr_debug("%s: returning found index=%d\n",
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__func__, cmd->slot);
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pr_devel("%s: returning found index=%d cmd=%p\n",
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__func__, cmd->slot, cmd);
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memset(cmd->buf, 0, CMD_BUFSIZE);
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memset(cmd->rcb.cdb, 0, sizeof(cmd->rcb.cdb));
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return cmd;
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@ -93,7 +93,7 @@ static void cmd_checkin(struct afu_cmd *cmd)
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return;
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}
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pr_debug("%s: released cmd %p index=%d\n", __func__, cmd, cmd->slot);
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pr_devel("%s: released cmd %p index=%d\n", __func__, cmd, cmd->slot);
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}
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/**
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@ -127,7 +127,7 @@ static void process_cmd_err(struct afu_cmd *cmd, struct scsi_cmnd *scp)
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}
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pr_debug("%s: cmd failed afu_rc=%d scsi_rc=%d fc_rc=%d "
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"afu_extra=0x%X, scsi_entra=0x%X, fc_extra=0x%X\n",
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"afu_extra=0x%X, scsi_extra=0x%X, fc_extra=0x%X\n",
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__func__, ioasa->rc.afu_rc, ioasa->rc.scsi_rc,
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ioasa->rc.fc_rc, ioasa->afu_extra, ioasa->scsi_extra,
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ioasa->fc_extra);
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@ -240,9 +240,9 @@ static void cmd_complete(struct afu_cmd *cmd)
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cmd_is_tmf = cmd->cmd_tmf;
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cmd_checkin(cmd); /* Don't use cmd after here */
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pr_debug("%s: calling scsi_set_resid, scp=%p "
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"result=%X resid=%d\n", __func__,
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scp, scp->result, resid);
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pr_debug_ratelimited("%s: calling scsi_done scp=%p result=%X "
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"ioasc=%d\n", __func__, scp, scp->result,
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cmd->sa.ioasc);
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scsi_set_resid(scp, resid);
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scsi_dma_unmap(scp);
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@ -417,12 +417,13 @@ static int send_tmf(struct afu *afu, struct scsi_cmnd *scp, u64 tmfcmd)
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short lflag = 0;
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struct Scsi_Host *host = scp->device->host;
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struct cxlflash_cfg *cfg = (struct cxlflash_cfg *)host->hostdata;
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struct device *dev = &cfg->dev->dev;
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ulong lock_flags;
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int rc = 0;
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cmd = cmd_checkout(afu);
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if (unlikely(!cmd)) {
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pr_err("%s: could not get a free command\n", __func__);
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dev_err(dev, "%s: could not get a free command\n", __func__);
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rc = SCSI_MLQUEUE_HOST_BUSY;
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goto out;
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}
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@ -493,7 +494,7 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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{
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struct cxlflash_cfg *cfg = (struct cxlflash_cfg *)host->hostdata;
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struct afu *afu = cfg->afu;
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struct pci_dev *pdev = cfg->dev;
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struct device *dev = &cfg->dev->dev;
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struct afu_cmd *cmd;
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u32 port_sel = scp->device->channel + 1;
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int nseg, i, ncount;
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@ -502,13 +503,14 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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short lflag = 0;
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int rc = 0;
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pr_debug("%s: (scp=%p) %d/%d/%d/%llu cdb=(%08X-%08X-%08X-%08X)\n",
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__func__, scp, host->host_no, scp->device->channel,
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scp->device->id, scp->device->lun,
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get_unaligned_be32(&((u32 *)scp->cmnd)[0]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[1]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[2]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[3]));
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dev_dbg_ratelimited(dev, "%s: (scp=%p) %d/%d/%d/%llu "
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"cdb=(%08X-%08X-%08X-%08X)\n",
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__func__, scp, host->host_no, scp->device->channel,
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scp->device->id, scp->device->lun,
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get_unaligned_be32(&((u32 *)scp->cmnd)[0]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[1]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[2]),
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get_unaligned_be32(&((u32 *)scp->cmnd)[3]));
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/* If a Task Management Function is active, wait for it to complete
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* before continuing with regular commands.
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@ -523,13 +525,11 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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switch (cfg->state) {
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case STATE_RESET:
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dev_dbg_ratelimited(&cfg->dev->dev, "%s: device is in reset!\n",
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__func__);
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dev_dbg_ratelimited(dev, "%s: device is in reset!\n", __func__);
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rc = SCSI_MLQUEUE_HOST_BUSY;
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goto out;
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case STATE_FAILTERM:
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dev_dbg_ratelimited(&cfg->dev->dev, "%s: device has failed!\n",
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__func__);
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dev_dbg_ratelimited(dev, "%s: device has failed!\n", __func__);
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scp->result = (DID_NO_CONNECT << 16);
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scp->scsi_done(scp);
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rc = 0;
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@ -540,7 +540,7 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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cmd = cmd_checkout(afu);
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if (unlikely(!cmd)) {
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pr_err("%s: could not get a free command\n", __func__);
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dev_err(dev, "%s: could not get a free command\n", __func__);
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rc = SCSI_MLQUEUE_HOST_BUSY;
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goto out;
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}
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@ -562,7 +562,7 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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nseg = scsi_dma_map(scp);
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if (unlikely(nseg < 0)) {
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dev_err(&pdev->dev, "%s: Fail DMA map! nseg=%d\n",
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dev_err(dev, "%s: Fail DMA map! nseg=%d\n",
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__func__, nseg);
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rc = SCSI_MLQUEUE_HOST_BUSY;
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goto out;
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@ -585,6 +585,7 @@ static int cxlflash_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scp)
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}
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out:
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pr_devel("%s: returning rc=%d\n", __func__, rc);
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return rc;
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}
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@ -657,9 +658,10 @@ static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level)
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{
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int rc = 0;
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struct afu *afu = cfg->afu;
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struct device *dev = &cfg->dev->dev;
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if (!afu || !cfg->mcctx) {
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pr_err("%s: returning from term_mc with NULL afu or MC\n",
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dev_err(dev, "%s: returning from term_mc with NULL afu or MC\n",
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__func__);
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return;
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}
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@ -755,6 +757,7 @@ static int alloc_mem(struct cxlflash_cfg *cfg)
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int rc = 0;
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int i;
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char *buf = NULL;
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struct device *dev = &cfg->dev->dev;
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/* This allocation is about 12K, i.e. only 1 64k page
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* and upto 4 4k pages
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@ -762,8 +765,8 @@ static int alloc_mem(struct cxlflash_cfg *cfg)
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cfg->afu = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
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get_order(sizeof(struct afu)));
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if (unlikely(!cfg->afu)) {
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pr_err("%s: cannot get %d free pages\n",
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__func__, get_order(sizeof(struct afu)));
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dev_err(dev, "%s: cannot get %d free pages\n",
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__func__, get_order(sizeof(struct afu)));
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rc = -ENOMEM;
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goto out;
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}
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@ -774,7 +777,8 @@ static int alloc_mem(struct cxlflash_cfg *cfg)
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if (!((u64)buf & (PAGE_SIZE - 1))) {
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buf = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
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if (unlikely(!buf)) {
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pr_err("%s: Allocate command buffers fail!\n",
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dev_err(dev,
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"%s: Allocate command buffers fail!\n",
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__func__);
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rc = -ENOMEM;
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free_mem(cfg);
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@ -1280,7 +1284,8 @@ static irqreturn_t cxlflash_rrq_irq(int irq, void *data)
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static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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{
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struct afu *afu = (struct afu *)data;
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struct cxlflash_cfg *cfg;
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struct cxlflash_cfg *cfg = afu->parent;
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struct device *dev = &cfg->dev->dev;
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u64 reg_unmasked;
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const struct asyc_intr_info *info;
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struct sisl_global_map *global = &afu->afu_map->global;
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@ -1288,14 +1293,12 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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u8 port;
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int i;
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cfg = afu->parent;
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reg = readq_be(&global->regs.aintr_status);
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reg_unmasked = (reg & SISL_ASTATUS_UNMASK);
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if (reg_unmasked == 0) {
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pr_err("%s: spurious interrupt, aintr_status 0x%016llX\n",
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__func__, reg);
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dev_err(dev, "%s: spurious interrupt, aintr_status 0x%016llX\n",
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__func__, reg);
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goto out;
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}
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@ -1310,8 +1313,8 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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port = info->port;
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pr_err("%s: FC Port %d -> %s, fc_status 0x%08llX\n",
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__func__, port, info->desc,
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dev_err(dev, "%s: FC Port %d -> %s, fc_status 0x%08llX\n",
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__func__, port, info->desc,
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readq_be(&global->fc_regs[port][FC_STATUS / 8]));
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/*
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@ -1319,8 +1322,8 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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* again if cleared before or w/o a reset
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*/
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if (info->action & LINK_RESET) {
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pr_err("%s: FC Port %d: resetting link\n",
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__func__, port);
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dev_err(dev, "%s: FC Port %d: resetting link\n",
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__func__, port);
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cfg->lr_state = LINK_RESET_REQUIRED;
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cfg->lr_port = port;
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schedule_work(&cfg->work_q);
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@ -1334,8 +1337,8 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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* should be the same and tracing one is sufficient.
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*/
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pr_err("%s: fc %d: clearing fc_error 0x%08llX\n",
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__func__, port, reg);
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dev_err(dev, "%s: fc %d: clearing fc_error 0x%08llX\n",
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__func__, port, reg);
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writeq_be(reg, &global->fc_regs[port][FC_ERROR / 8]);
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writeq_be(0, &global->fc_regs[port][FC_ERRCAP / 8]);
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@ -1343,7 +1346,7 @@ static irqreturn_t cxlflash_async_err_irq(int irq, void *data)
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}
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out:
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pr_debug("%s: returning rc=%d, afu=%p\n", __func__, IRQ_HANDLED, afu);
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dev_dbg(dev, "%s: returning IRQ_HANDLED, afu=%p\n", __func__, afu);
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return IRQ_HANDLED;
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}
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@ -1387,7 +1390,7 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
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/* Get the VPD data from the device */
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vpd_size = pci_read_vpd(dev, 0, sizeof(vpd_data), vpd_data);
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if (unlikely(vpd_size <= 0)) {
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pr_err("%s: Unable to read VPD (size = %ld)\n",
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dev_err(&dev->dev, "%s: Unable to read VPD (size = %ld)\n",
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__func__, vpd_size);
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rc = -ENODEV;
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goto out;
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@ -1397,7 +1400,8 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
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ro_start = pci_vpd_find_tag(vpd_data, 0, vpd_size,
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PCI_VPD_LRDT_RO_DATA);
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if (unlikely(ro_start < 0)) {
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pr_err("%s: VPD Read-only data not found\n", __func__);
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dev_err(&dev->dev, "%s: VPD Read-only data not found\n",
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__func__);
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rc = -ENODEV;
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goto out;
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}
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@ -1426,8 +1430,8 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
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i = pci_vpd_find_info_keyword(vpd_data, i, j, wwpn_vpd_tags[k]);
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if (unlikely(i < 0)) {
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pr_err("%s: Port %d WWPN not found in VPD\n",
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__func__, k);
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dev_err(&dev->dev, "%s: Port %d WWPN not found "
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"in VPD\n", __func__, k);
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rc = -ENODEV;
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goto out;
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}
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@ -1435,7 +1439,8 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
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j = pci_vpd_info_field_size(&vpd_data[i]);
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i += PCI_VPD_INFO_FLD_HDR_SIZE;
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if (unlikely((i + j > vpd_size) || (j != WWPN_LEN))) {
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pr_err("%s: Port %d WWPN incomplete or VPD corrupt\n",
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dev_err(&dev->dev, "%s: Port %d WWPN incomplete or "
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"VPD corrupt\n",
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__func__, k);
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rc = -ENODEV;
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goto out;
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@ -1444,8 +1449,8 @@ static int read_vpd(struct cxlflash_cfg *cfg, u64 wwpn[])
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memcpy(tmp_buf, &vpd_data[i], WWPN_LEN);
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rc = kstrtoul(tmp_buf, WWPN_LEN, (ulong *)&wwpn[k]);
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if (unlikely(rc)) {
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pr_err("%s: Fail to convert port %d WWPN to integer\n",
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__func__, k);
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dev_err(&dev->dev, "%s: Fail to convert port %d WWPN "
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"to integer\n", __func__, k);
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rc = -ENODEV;
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goto out;
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}
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@ -1502,6 +1507,7 @@ static void init_pcr(struct cxlflash_cfg *cfg)
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static int init_global(struct cxlflash_cfg *cfg)
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{
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struct afu *afu = cfg->afu;
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struct device *dev = &cfg->dev->dev;
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u64 wwpn[NUM_FC_PORTS]; /* wwpn of AFU ports */
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int i = 0, num_ports = 0;
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int rc = 0;
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@ -1509,7 +1515,7 @@ static int init_global(struct cxlflash_cfg *cfg)
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rc = read_vpd(cfg, &wwpn[0]);
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if (rc) {
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pr_err("%s: could not read vpd rc=%d\n", __func__, rc);
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dev_err(dev, "%s: could not read vpd rc=%d\n", __func__, rc);
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goto out;
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||||
}
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||||
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@ -1552,7 +1558,7 @@ static int init_global(struct cxlflash_cfg *cfg)
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afu_set_wwpn(afu, i,
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&afu->afu_map->global.fc_regs[i][0],
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wwpn[i])) {
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pr_err("%s: failed to set WWPN on port %d\n",
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dev_err(dev, "%s: failed to set WWPN on port %d\n",
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__func__, i);
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rc = -EIO;
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goto out;
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|
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@ -1795,6 +1801,7 @@ int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t ctx_hndl_u,
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|||
res_hndl_t res_hndl_u, u8 mode)
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||||
{
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||||
struct cxlflash_cfg *cfg = afu->parent;
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||||
struct device *dev = &cfg->dev->dev;
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||||
struct afu_cmd *cmd = NULL;
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||||
int rc = 0;
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||||
int retry_cnt = 0;
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||||
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@ -1813,7 +1820,7 @@ retry:
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|||
udelay(1000 * retry_cnt);
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if (retry_cnt < MC_RETRY_CNT)
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||||
goto retry;
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||||
pr_err("%s: could not get a free command\n", __func__);
|
||||
dev_err(dev, "%s: could not get a free command\n", __func__);
|
||||
rc = -1;
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -2301,6 +2308,7 @@ static void cxlflash_worker_thread(struct work_struct *work)
|
|||
struct cxlflash_cfg *cfg = container_of(work, struct cxlflash_cfg,
|
||||
work_q);
|
||||
struct afu *afu = cfg->afu;
|
||||
struct device *dev = &cfg->dev->dev;
|
||||
int port;
|
||||
ulong lock_flags;
|
||||
|
||||
|
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@ -2314,7 +2322,8 @@ static void cxlflash_worker_thread(struct work_struct *work)
|
|||
if (cfg->lr_state == LINK_RESET_REQUIRED) {
|
||||
port = cfg->lr_port;
|
||||
if (port < 0)
|
||||
pr_err("%s: invalid port index %d\n", __func__, port);
|
||||
dev_err(dev, "%s: invalid port index %d\n",
|
||||
__func__, port);
|
||||
else {
|
||||
spin_unlock_irqrestore(cfg->host->host_lock,
|
||||
lock_flags);
|
||||
|
|
@ -2419,7 +2428,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
|
|||
*/
|
||||
phys_dev = cxl_get_phys_dev(pdev);
|
||||
if (!dev_is_pci(phys_dev)) {
|
||||
pr_err("%s: not a pci dev\n", __func__);
|
||||
dev_err(&pdev->dev, "%s: not a pci dev\n", __func__);
|
||||
rc = -ENODEV;
|
||||
goto out_remove;
|
||||
}
|
||||
|
|
|
|||
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