diff options
| author | John Garry <john.garry@huawei.com> | 2022-02-17 23:42:38 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-02-19 15:59:35 -0500 |
| commit | 350d85ba5badb90af0299862c4422fa016ebc91b (patch) | |
| tree | 1d37bb0a3b22cda17c9eaa72146e4b2acd510ed2 /drivers/scsi/libsas/sas_scsi_host.c | |
| parent | 001ec7f89bea94259ededbedc8b5627b93848b8a (diff) | |
| download | linux-next-350d85ba5badb90af0299862c4422fa016ebc91b.tar.gz | |
scsi: libsas: Add sas_execute_ssp_tmf()
Add a function to issue an SSP TMF.
Add a temp prototype to keep make W=1 happy.
Link: https://lore.kernel.org/r/1645112566-115804-11-git-send-email-john.garry@huawei.com
Tested-by: Yihang Li <liyihang6@hisilicon.com>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libsas/sas_scsi_host.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_scsi_host.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index d04002180be3..af2dd95a2b28 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -937,6 +937,9 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, task->dev = device; task->task_proto = device->tproto; + if (!dev_is_sata(device)) + memcpy(&task->ssp_task, parameter, para_len); + task->task_done = sas_task_internal_done; task->tmf = tmf; @@ -1022,6 +1025,21 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, return res; } +int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, + struct sas_tmf_task *tmf); +int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, + struct sas_tmf_task *tmf) +{ + struct sas_ssp_task ssp_task; + + if (!(device->tproto & SAS_PROTOCOL_SSP)) + return TMF_RESP_FUNC_ESUPP; + + memcpy(ssp_task.LUN, lun, 8); + + return sas_execute_tmf(device, &ssp_task, sizeof(ssp_task), -1, tmf); +} + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. |