Commit 350d85ba authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

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: default avatarYihang Li <liyihang6@hisilicon.com>
Tested-by: default avatarDamien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 001ec7f8

drivers/scsi/libsas/sas_scsi_host.c

+18 −0
Original line number Diff line number Diff line
@@ -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.