drivers/scsi/bfa/bfa_svc.c

Source file repositories/reference/linux-study-clean/drivers/scsi/bfa/bfa_svc.c

File Facts

System
Linux kernel
Corpus path
drivers/scsi/bfa/bfa_svc.c
Extension
.c
Size
165756 bytes
Lines
6798
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct bfa_fcport_sm_table_s {
	bfa_fcport_sm_t sm;		/*  state machine function	*/
	enum bfa_port_states state;	/*  state machine encoding	*/
	char		*name;		/*  state name for display	*/
};

static inline enum bfa_port_states
bfa_fcport_sm_to_state(struct bfa_fcport_sm_table_s *smt, bfa_fcport_sm_t sm)
{
	int i = 0;

	while (smt[i].sm && smt[i].sm != sm)
		i++;
	return smt[i].state;
}

static struct bfa_fcport_sm_table_s hal_port_sm_table[] = {
	{BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
	{BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
	{BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
	{BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
	{BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
	{BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
	{BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
	{BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
	{BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
	{BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
	{BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
	{BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
	{BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT},
	{BFA_SM(bfa_fcport_sm_ddport), BFA_PORT_ST_DDPORT},
	{BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG},
};


/*
 * forward declaration for RPORT related functions
 */
static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
static void		bfa_rport_free(struct bfa_rport_s *rport);
static bfa_boolean_t	bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
static bfa_boolean_t	bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
static bfa_boolean_t	bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
static void		__bfa_cb_rport_online(void *cbarg,
						bfa_boolean_t complete);
static void		__bfa_cb_rport_offline(void *cbarg,
						bfa_boolean_t complete);

/*
 * forward declaration for RPORT state machine
 */
static void     bfa_rport_sm_uninit(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_created(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_online(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_offline(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_deleting(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
					enum bfa_rport_event event);
static void     bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
					enum bfa_rport_event event);

/*
 * PLOG related definitions
 */
static int
plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
{
	if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
		(pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
		return 1;

	if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
		(pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))

Annotation

Implementation Notes