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

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

This patch adds a new file, lpfc_bsg.c.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart
2009-07-19 10:01:32 -04:00
committed by James Bottomley
parent 1c6834a7e8
commit f1c3b0fcbb
10 changed files with 954 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/lpfc/Makefile
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@@ -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

11
drivers/scsi/lpfc/lpfc.h
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@@ -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 *

3
drivers/scsi/lpfc/lpfc_attr.c
View File

@@ -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 = {

904
drivers/scsi/lpfc/lpfc_bsg.c Normal file
View File

File diff suppressed because it is too large Load Diff

8
drivers/scsi/lpfc/lpfc_crtn.h
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@@ -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 *);

2
drivers/scsi/lpfc/lpfc_ct.c
View File

@@ -97,6 +97,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
struct list_head head;
struct lpfc_dmabuf *bdeBuf;
lpfc_bsg_ct_unsol_event(phba, pring, piocbq);
if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&

2
drivers/scsi/lpfc/lpfc_els.c
View File

@@ -146,7 +146,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport)
* Pointer to the newly allocated/prepared els iocb data structure
* NULL - when els iocb data structure allocation/preparation failed
**/
static struct lpfc_iocbq *
struct lpfc_iocbq *
lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
uint16_t cmdSize, uint8_t retry,
struct lpfc_nodelist *ndlp, uint32_t did,

3
drivers/scsi/lpfc/lpfc_init.c
View File

@@ -4171,6 +4171,9 @@ lpfc_hba_alloc(struct pci_dev *pdev)
return NULL;
}
mutex_init(&phba->ct_event_mutex);
INIT_LIST_HEAD(&phba->ct_ev_waiters);
return phba;
}

20
drivers/scsi/lpfc/lpfc_nl.h
View File

@@ -177,3 +177,23 @@ struct temp_event {
uint32_t data;
};
/* bsg definitions */
#define LPFC_BSG_VENDOR_SET_CT_EVENT 1
#define LPFC_BSG_VENDOR_GET_CT_EVENT 2
struct set_ct_event {
uint32_t command;
uint32_t ev_req_id;
uint32_t ev_reg_id;
};
struct get_ct_event {
uint32_t command;
uint32_t ev_reg_id;
uint32_t ev_req_id;
};
struct get_ct_event_reply {
uint32_t immed_data;
uint32_t type;
};

1
drivers/scsi/lpfc/lpfc_scsi.c
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@@ -3584,6 +3584,7 @@ struct scsi_host_template lpfc_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = lpfc_hba_attrs,
.max_sectors = 0xFFFF,
.vendor_id = LPFC_NL_VENDOR_ID,
};
struct scsi_host_template lpfc_vport_template = {