Commit 5319578c authored by James Bottomley's avatar James Bottomley
Browse files

[SCSI] libsas: export sas_find_local_phy function 



This is needed by the to be added I_T reset function in aic94xx.  It
needs to know the local phy so it can send a link or hard reset along
the path.

Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent eea5ff7b

drivers/scsi/libsas/sas_scsi_host.c

+3 −2
Original line number Diff line number Diff line
@@ -434,7 +434,7 @@ static int sas_recover_I_T(struct domain_device *dev) 
}



/* Find the sas_phy that's attached to this device */

static struct sas_phy *find_local_sas_phy(struct domain_device *dev)

struct sas_phy *sas_find_local_phy(struct domain_device *dev)

{

	struct domain_device *pdev = dev->parent;

	struct ex_phy *exphy = NULL;
@@ -456,6 +456,7 @@ static struct sas_phy *find_local_sas_phy(struct domain_device *dev) 
	BUG_ON(!exphy);

	return exphy->phy;

}

EXPORT_SYMBOL_GPL(sas_find_local_phy);



/* Attempt to send a LUN reset message to a device */

int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)
@@ -482,7 +483,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd) 
int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)

{

	struct domain_device *dev = cmd_to_domain_dev(cmd);

	struct sas_phy *phy = find_local_sas_phy(dev);

	struct sas_phy *phy = sas_find_local_phy(dev);

	int res;



	res = sas_phy_reset(phy, 1);

include/scsi/libsas.h

+1 −0
Original line number Diff line number Diff line
@@ -675,5 +675,6 @@ extern int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, 


extern void sas_ssp_task_response(struct device *dev, struct sas_task *task,

				  struct ssp_response_iu *iu);

struct sas_phy *sas_find_local_phy(struct domain_device *dev);



#endif /* _SASLIB_H_ */