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Commit f1c3b0fc authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

[SCSI] lpfc 8.3.4: Add bsg (SGIOv4) support for ELS/CT support 



Add bsg (SGIOv4) support for sending and receiving ELS, CT commands

This patch adds a new file, lpfc_bsg.c.

Signed-off-by: default avatarJames Smart <James.Smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 1c6834a7

drivers/scsi/lpfc/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -28,4 +28,4 @@ obj-$(CONFIG_SCSI_LPFC) := lpfc.o 


lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o	\

	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \

	lpfc_vport.o lpfc_debugfs.o
 
	lpfc_vport.o lpfc_debugfs.o lpfc_bsg.o

drivers/scsi/lpfc/lpfc.h

+11 −0
Original line number Diff line number Diff line
@@ -441,6 +441,12 @@ enum intr_type_t { 
	MSIX,

};



struct unsol_rcv_ct_ctx {

	uint32_t ctxt_id;

	uint32_t SID;

	uint32_t oxid;

};



struct lpfc_hba {

	/* SCSI interface function jump table entries */

	int (*lpfc_new_scsi_buf)
@@ -776,6 +782,11 @@ struct lpfc_hba { 
	uint8_t valid_vlan;

	uint16_t vlan_id;

	struct list_head fcf_conn_rec_list;



	struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */

	struct list_head ct_ev_waiters;

	struct unsol_rcv_ct_ctx ct_ctx[64];

	uint32_t ctx_idx;

};



static inline struct Scsi_Host *

drivers/scsi/lpfc/lpfc_attr.c

+3 −0
Original line number Diff line number Diff line
@@ -4132,6 +4132,9 @@ struct fc_function_template lpfc_transport_functions = { 
	.vport_disable = lpfc_vport_disable,



	.set_vport_symbolic_name = lpfc_set_vport_symbolic_name,



	.bsg_request = lpfc_bsg_request,

	.bsg_timeout = lpfc_bsg_timeout,

};



struct fc_function_template lpfc_vport_transport_functions = {

drivers/scsi/lpfc/lpfc_bsg.c

0 → 100644
+904 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/scsi/lpfc/lpfc_crtn.h

+8 −0
Original line number Diff line number Diff line
@@ -137,6 +137,9 @@ int lpfc_els_disc_adisc(struct lpfc_vport *); 
int lpfc_els_disc_plogi(struct lpfc_vport *);

void lpfc_els_timeout(unsigned long);

void lpfc_els_timeout_handler(struct lpfc_vport *);

struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t,

				      uint8_t, struct lpfc_nodelist *,

				      uint32_t, uint32_t);

void lpfc_hb_timeout_handler(struct lpfc_hba *);



void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
@@ -364,3 +367,8 @@ void lpfc_start_fdiscs(struct lpfc_hba *phba); 
#define HBA_EVENT_LINK_UP                2

#define HBA_EVENT_LINK_DOWN              3



/* functions to support SGIOv4/bsg interface */

int lpfc_bsg_request(struct fc_bsg_job *);

int lpfc_bsg_timeout(struct fc_bsg_job *);

void lpfc_bsg_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,

			     struct lpfc_iocbq *);