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scsi: libsas: Add sas_execute_internal_abort_dev()

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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: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Jack Wang <jinpu.wang@ionos.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 2022-03-11 20:23:50 +08:00 committed by Martin K. Petersen
parent 5c9bf3635b
commit 6a91c3e315
2 changed files with 16 additions and 0 deletions
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8
drivers/scsi/libsas/sas_scsi_host.c
View file

@ -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)

8
include/scsi/libsas.h
View file

@ -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;