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scsi: libsas: Add sas_execute_ssp_tmf()

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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>
This commit is contained in:
John Garry 2022-02-17 23:42:38 +08:00 committed by Martin K. Petersen
parent 001ec7f89b
commit 350d85ba5b
1 changed files with 18 additions and 0 deletions
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18
drivers/scsi/libsas/sas_scsi_host.c
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@ -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.