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path: root/drivers/scsi/cxlflash
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Diffstat (limited to 'drivers/scsi/cxlflash')
-rw-r--r--drivers/scsi/cxlflash/main.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index 9f2821d69e38..0f13b4de448a 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -1823,8 +1823,8 @@ int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t ctx_hndl_u,
struct cxlflash_cfg *cfg = afu->parent;
struct device *dev = &cfg->dev->dev;
struct afu_cmd *cmd = NULL;
+ char *buf = NULL;
int rc = 0;
- int retry_cnt = 0;
static DEFINE_MUTEX(sync_active);
if (cfg->state != STATE_NORMAL) {
@@ -1833,23 +1833,23 @@ int cxlflash_afu_sync(struct afu *afu, ctx_hndl_t ctx_hndl_u,
}
mutex_lock(&sync_active);
-retry:
- cmd = cmd_checkout(afu);
- if (unlikely(!cmd)) {
- retry_cnt++;
- udelay(1000 * retry_cnt);
- if (retry_cnt < MC_RETRY_CNT)
- goto retry;
- dev_err(dev, "%s: could not get a free command\n", __func__);
+ buf = kzalloc(sizeof(*cmd) + __alignof__(*cmd) - 1, GFP_KERNEL);
+ if (unlikely(!buf)) {
+ dev_err(dev, "%s: no memory for command\n", __func__);
rc = -1;
goto out;
}
- pr_debug("%s: afu=%p cmd=%p %d\n", __func__, afu, cmd, ctx_hndl_u);
+ cmd = (struct afu_cmd *)PTR_ALIGN(buf, __alignof__(*cmd));
+ init_completion(&cmd->cevent);
+ spin_lock_init(&cmd->slock);
+ cmd->parent = afu;
- memset(cmd->rcb.cdb, 0, sizeof(cmd->rcb.cdb));
+ pr_debug("%s: afu=%p cmd=%p %d\n", __func__, afu, cmd, ctx_hndl_u);
cmd->rcb.req_flags = SISL_REQ_FLAGS_AFU_CMD;
+ cmd->rcb.ctx_id = afu->ctx_hndl;
+ cmd->rcb.msi = SISL_MSI_RRQ_UPDATED;
cmd->rcb.port_sel = 0x0; /* NA */
cmd->rcb.lun_id = 0x0; /* NA */
cmd->rcb.data_len = 0x0;
@@ -1875,8 +1875,7 @@ retry:
rc = -1;
out:
mutex_unlock(&sync_active);
- if (cmd)
- cmd_checkin(cmd);
+ kfree(buf);
pr_debug("%s: returning rc=%d\n", __func__, rc);
return rc;
}