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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/scsi/libsas/sas_task.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/libsas/sas_task.c')
-rw-r--r--drivers/scsi/libsas/sas_task.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
new file mode 100644
index 000000000..e9d291007
--- /dev/null
+++ b/drivers/scsi/libsas/sas_task.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "sas_internal.h"
+
+#include <linux/kernel.h>
+#include <linux/export.h>
+#include <scsi/sas.h>
+#include <scsi/libsas.h>
+
+/* fill task_status_struct based on SSP response frame */
+void sas_ssp_task_response(struct device *dev, struct sas_task *task,
+ struct ssp_response_iu *iu)
+{
+ struct task_status_struct *tstat = &task->task_status;
+
+ tstat->resp = SAS_TASK_COMPLETE;
+
+ switch (iu->datapres) {
+ case SAS_DATAPRES_NO_DATA:
+ tstat->stat = iu->status;
+ break;
+ case SAS_DATAPRES_RESPONSE_DATA:
+ tstat->stat = iu->resp_data[3];
+ break;
+ case SAS_DATAPRES_SENSE_DATA:
+ tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
+ tstat->buf_valid_size =
+ min_t(int, SAS_STATUS_BUF_SIZE,
+ be32_to_cpu(iu->sense_data_len));
+ memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
+
+ if (iu->status != SAM_STAT_CHECK_CONDITION)
+ dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n",
+ SAS_ADDR(task->dev->sas_addr), iu->status);
+ break;
+ default:
+ /* when datapres contains corrupt/unknown value... */
+ tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
+ }
+}
+EXPORT_SYMBOL_GPL(sas_ssp_task_response);
+