aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/libsas
diff options
context:
space:
mode:
authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-18 11:47:01 -0500
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-25 12:47:23 -0500
commit366ca51f30de1cbb5b356c70b7bb22051c558e41 (patch)
treec28a9d3b64a5b3e3c8bd29c57003ee524e9e1e63 /drivers/scsi/libsas
parent1292500b159c00a8fece072b004f154e6fda9f48 (diff)
[SCSI] libsas: abstract STP task status into a function
Break out the frame processor for STP tasks from aic94xx so they can be shared by other SAS HBA's Original patch from Jeff Garzik <jeff@garzik.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/Makefile3
-rw-r--r--drivers/scsi/libsas/sas_task.c36
2 files changed, 38 insertions, 1 deletions
diff --git a/drivers/scsi/libsas/Makefile b/drivers/scsi/libsas/Makefile
index 60d6e93dd949..1ad1323c60fa 100644
--- a/drivers/scsi/libsas/Makefile
+++ b/drivers/scsi/libsas/Makefile
@@ -33,6 +33,7 @@ libsas-y += sas_init.o \
33 sas_dump.o \ 33 sas_dump.o \
34 sas_discover.o \ 34 sas_discover.o \
35 sas_expander.o \ 35 sas_expander.o \
36 sas_scsi_host.o 36 sas_scsi_host.o \
37 sas_task.o
37libsas-$(CONFIG_SCSI_SAS_ATA) += sas_ata.o 38libsas-$(CONFIG_SCSI_SAS_ATA) += sas_ata.o
38libsas-$(CONFIG_SCSI_SAS_HOST_SMP) += sas_host_smp.o \ No newline at end of file 39libsas-$(CONFIG_SCSI_SAS_HOST_SMP) += sas_host_smp.o \ No newline at end of file
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
new file mode 100644
index 000000000000..594524d5bfa1
--- /dev/null
+++ b/drivers/scsi/libsas/sas_task.c
@@ -0,0 +1,36 @@
1#include <linux/kernel.h>
2#include <scsi/sas.h>
3#include <scsi/libsas.h>
4
5/* fill task_status_struct based on SSP response frame */
6void sas_ssp_task_response(struct device *dev, struct sas_task *task,
7 struct ssp_response_iu *iu)
8{
9 struct task_status_struct *tstat = &task->task_status;
10
11 tstat->resp = SAS_TASK_COMPLETE;
12
13 if (iu->datapres == 0)
14 tstat->stat = iu->status;
15 else if (iu->datapres == 1)
16 tstat->stat = iu->resp_data[3];
17 else if (iu->datapres == 2) {
18 tstat->stat = SAM_CHECK_COND;
19 tstat->buf_valid_size =
20 min_t(int, SAS_STATUS_BUF_SIZE,
21 be32_to_cpu(iu->sense_data_len));
22 memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
23
24 if (iu->status != SAM_CHECK_COND)
25 dev_printk(KERN_WARNING, dev,
26 "dev %llx sent sense data, but "
27 "stat(%x) is not CHECK CONDITION\n",
28 SAS_ADDR(task->dev->sas_addr),
29 iu->status);
30 }
31 else
32 /* when datapres contains corrupt/unknown value... */
33 tstat->stat = SAM_CHECK_COND;
34}
35EXPORT_SYMBOL_GPL(sas_ssp_task_response);
36