Commit 6a91c3e3 authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

scsi: libsas: Add sas_execute_internal_abort_dev() 

Add support for a "device" variant of internal abort, which will abort all
pending I/Os for a specific device.

Link: https://lore.kernel.org/r/1647001432-239276-3-git-send-email-john.garry@huawei.com


Tested-by: default avatarDamien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: default avatarJack Wang <jinpu.wang@ionos.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 5c9bf363

drivers/scsi/libsas/sas_scsi_host.c

+8 −0
Original line number Diff line number Diff line
@@ -994,6 +994,14 @@ int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, 
}

EXPORT_SYMBOL_GPL(sas_execute_internal_abort_single);



int sas_execute_internal_abort_dev(struct domain_device *device,

				   unsigned int qid, void *data)

{

	return sas_execute_internal_abort(device, SAS_INTERNAL_ABORT_DEV,

					  SCSI_NO_TAG, qid, data);

}

EXPORT_SYMBOL_GPL(sas_execute_internal_abort_dev);



int sas_execute_tmf(struct domain_device *device, void *parameter,

		    int para_len, int force_phy_id,

		    struct sas_tmf_task *tmf)

include/scsi/libsas.h

+8 −0
Original line number Diff line number Diff line
@@ -560,6 +560,7 @@ struct sas_ata_task { 
/* LLDDs rely on these values */

enum sas_internal_abort {

	SAS_INTERNAL_ABORT_SINGLE	= 0,

	SAS_INTERNAL_ABORT_DEV		= 1,

};



struct sas_internal_abort_task {
@@ -641,6 +642,11 @@ extern struct sas_task *sas_alloc_task(gfp_t flags); 
extern struct sas_task *sas_alloc_slow_task(gfp_t flags);

extern void sas_free_task(struct sas_task *task);



static inline bool sas_is_internal_abort(struct sas_task *task)

{

	return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT;

}



struct sas_domain_function_template {

	/* The class calls these to notify the LLDD of an event. */

	void (*lldd_port_formed)(struct asd_sas_phy *);
@@ -697,6 +703,8 @@ extern int sas_bios_param(struct scsi_device *, struct block_device *, 
int sas_execute_internal_abort_single(struct domain_device *device,

				      u16 tag, unsigned int qid,

				      void *data);

int sas_execute_internal_abort_dev(struct domain_device *device,

				   unsigned int qid, void *data);

extern struct scsi_transport_template *

sas_domain_attach_transport(struct sas_domain_function_template *);

extern struct device_attribute dev_attr_phy_event_threshold;