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[PATCH] qla2xxx: remove lun discovery codes...

Browse source 
Remove internal lun discovery routines and support
structures.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
2005-04-17 15:06:53 -05:00 committed by James Bottomley
parent 8482e118af
commit bdf796210e
10 changed files with 106 additions and 1303 deletions
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51
drivers/scsi/qla2xxx/qla_attr.c
View file

@ -227,12 +227,17 @@ qla2x00_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *ha = to_qla_host(host);
os_tgt_t *tq = (os_tgt_t *) TGT_Q(ha, starget->id);
fc_port_t *fcport;
uint64_t node_name = 0;
if (tq->fcport)
node_name = be64_to_cpu(*(uint64_t *)tq->fcport->node_name);
fc_starget_node_name(starget) = node_name;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_target_id) {
node_name = *(uint64_t *)fcport->node_name;
break;
}
}
fc_starget_node_name(starget) = be64_to_cpu(node_name);
}
static void
@ -240,12 +245,17 @@ qla2x00_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *ha = to_qla_host(host);
os_tgt_t *tq = (os_tgt_t *) TGT_Q(ha, starget->id);
fc_port_t *fcport;
uint64_t port_name = 0;
if (tq->fcport)
port_name = be64_to_cpu(*(uint64_t *)tq->fcport->port_name);
fc_starget_port_name(starget) = port_name;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_target_id) {
port_name = *(uint64_t *)fcport->port_name;
break;
}
}
fc_starget_port_name(starget) = be64_to_cpu(port_name);
}
static void
@ -253,20 +263,25 @@ qla2x00_get_starget_port_id(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *ha = to_qla_host(host);
os_tgt_t *tq = (os_tgt_t *) TGT_Q(ha, starget->id);
uint32_t port_id = 0;
fc_port_t *fcport;
uint32_t port_id = ~0U;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_target_id) {
port_id = fcport->d_id.b.domain << 16 |
fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
break;
}
}
if (tq->fcport)
port_id = tq->fcport->d_id.b.domain << 16 |
tq->fcport->d_id.b.area << 8 | tq->fcport->d_id.b.al_pa;
fc_starget_port_id(starget) = port_id;
}
static void
qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
{
os_tgt_t *tq = rport->dd_data;
scsi_qla_host_t *ha = tq->ha;
struct Scsi_Host *host = rport_to_shost(rport);
scsi_qla_host_t *ha = to_qla_host(host);
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}
@ -274,8 +289,8 @@ qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
static void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
os_tgt_t *tq = rport->dd_data;
scsi_qla_host_t *ha = tq->ha;
struct Scsi_Host *host = rport_to_shost(rport);
scsi_qla_host_t *ha = to_qla_host(host);
if (timeout)
ha->port_down_retry_count = timeout;
@ -292,7 +307,7 @@ static struct fc_function_template qla2xxx_transport_functions = {
.get_host_port_id = qla2x00_get_host_port_id,
.show_host_port_id = 1,
.dd_fcrport_size = sizeof(os_tgt_t *),
.dd_fcrport_size = sizeof(struct fc_port *),
.get_starget_node_name = qla2x00_get_starget_node_name,
.show_starget_node_name = 1,

5
drivers/scsi/qla2xxx/qla_dbg.c
View file

@ -1065,11 +1065,6 @@ qla2x00_print_scsi_cmd(struct scsi_cmnd * cmd)
printk(" sp flags=0x%x\n", sp->flags);
printk(" r_start=0x%lx, u_start=0x%lx, f_start=0x%lx, state=%d\n",
sp->r_start, sp->u_start, sp->f_start, sp->state);
printk(" e_start= 0x%lx, ext_history=%d, fo retry=%d, loopid=%x, "
"port path=%d\n", sp->e_start, sp->ext_history, sp->fo_retry_cnt,
sp->lun_queue->fclun->fcport->loop_id,
sp->lun_queue->fclun->fcport->cur_path);
}
#if defined(QL_DEBUG_ROUTINES)

103
drivers/scsi/qla2xxx/qla_def.h
View file

@ -241,6 +241,7 @@ typedef struct srb {
struct list_head list;
struct scsi_qla_host *ha; /* HA the SP is queued on */
struct fc_port *fcport;
struct scsi_cmnd *cmd; /* Linux SCSI command pkt */
@ -251,11 +252,6 @@ typedef struct srb {
/* Request state */
uint16_t state;
/* Target/LUN queue pointers. */
struct os_tgt *tgt_queue; /* ptr to visible ha's target */
struct os_lun *lun_queue; /* ptr to visible ha's lun */
struct fc_lun *fclun; /* FC LUN context pointer. */
/* Timing counts. */
unsigned long e_start; /* Start of extend timeout */
unsigned long r_start; /* Start of request */
@ -1602,73 +1598,6 @@ typedef struct {
rpt_lun_lst_t list;
} rpt_lun_cmd_rsp_t;
/*
* SCSI Target Queue structure
*/
typedef struct os_tgt {
struct os_lun *olun[MAX_LUNS]; /* LUN context pointer. */
struct fc_port *fcport;
unsigned long flags;
uint8_t port_down_retry_count;
uint32_t down_timer;
struct scsi_qla_host *ha;
/* Persistent binding information */
port_id_t d_id;
uint8_t node_name[WWN_SIZE];
uint8_t port_name[WWN_SIZE];
} os_tgt_t;
/*
* SCSI Target Queue flags
*/
#define TQF_ONLINE 0 /* Device online to OS. */
#define TQF_SUSPENDED 1
#define TQF_RETRY_CMDS 2
/*
* SCSI LUN Queue structure
*/
typedef struct os_lun {
struct fc_lun *fclun; /* FC LUN context pointer. */
spinlock_t q_lock; /* Lun Lock */
unsigned long q_flag;
#define LUN_MPIO_RESET_CNTS 1 /* Lun */
#define LUN_MPIO_BUSY 2 /* Lun is changing paths */
#define LUN_EXEC_DELAYED 7 /* Lun execution is delayed */
u_long q_timeout; /* total command timeouts */
atomic_t q_timer; /* suspend timer */
uint32_t q_count; /* current count */
uint32_t q_max; /* maxmum count lun can be suspended */
uint8_t q_state; /* lun State */
#define LUN_STATE_READY 1 /* lun is ready for i/o */
#define LUN_STATE_RUN 2 /* lun has a timer running */
#define LUN_STATE_WAIT 3 /* lun is suspended */
#define LUN_STATE_TIMEOUT 4 /* lun has timed out */
u_long io_cnt; /* total xfer count since boot */
u_long out_cnt; /* total outstanding IO count */
u_long w_cnt; /* total writes */
u_long r_cnt; /* total reads */
u_long avg_time; /* */
} os_lun_t;
/* LUN BitMask structure definition, array of 32bit words,
* 1 bit per lun. When bit == 1, the lun is masked.
* Most significant bit of mask[0] is lun 0, bit 24 is lun 7.
*/
typedef struct lun_bit_mask {
/* Must allocate at least enough bits to accomodate all LUNs */
#if ((MAX_FIBRE_LUNS & 0x7) == 0)
uint8_t mask[MAX_FIBRE_LUNS >> 3];
#else
uint8_t mask[(MAX_FIBRE_LUNS + 8) >> 3];
#endif
} lun_bit_mask_t;
/*
* Fibre channel port type.
*/
@ -1686,8 +1615,6 @@ typedef struct lun_bit_mask {
*/
typedef struct fc_port {
struct list_head list;
struct list_head fcluns;
struct scsi_qla_host *ha;
struct scsi_qla_host *vis_ha; /* only used when suspending lun */
@ -1702,8 +1629,7 @@ typedef struct fc_port {
atomic_t state;
uint32_t flags;
os_tgt_t *tgt_queue;
uint16_t os_target_id;
unsigned int os_target_id;
uint16_t iodesc_idx_sent;
@ -1717,7 +1643,6 @@ typedef struct fc_port {
uint8_t mp_byte; /* multi-path byte (not used) */
uint8_t cur_path; /* current path id */
lun_bit_mask_t lun_mask;
struct fc_rport *rport;
} fc_port_t;
@ -1764,25 +1689,6 @@ typedef struct fc_port {
/* No loop ID flag. */
#define FC_NO_LOOP_ID 0x1000
/*
* Fibre channel LUN structure.
*/
typedef struct fc_lun {
struct list_head list;
fc_port_t *fcport;
fc_port_t *o_fcport;
uint16_t lun;
atomic_t state;
uint8_t device_type;
uint8_t max_path_retries;
uint32_t flags;
} fc_lun_t;
#define FLF_VISIBLE_LUN BIT_0
#define FLF_ACTIVE_LUN BIT_1
/*
* FC-CT interface
*
@ -2253,9 +2159,6 @@ typedef struct scsi_qla_host {
struct io_descriptor io_descriptors[MAX_IO_DESCRIPTORS];
uint16_t iodesc_signature;
/* OS target queue pointers. */
os_tgt_t *otgt[MAX_FIBRE_DEVICES];
/* RSCN queue. */
uint32_t rscn_queue[MAX_RSCN_COUNT];
uint8_t rscn_in_ptr;
@ -2400,8 +2303,6 @@ typedef struct scsi_qla_host {
#define LOOP_RDY(ha) (!LOOP_NOT_READY(ha))
#define TGT_Q(ha, t) (ha->otgt[t])
#define LUN_Q(ha, t, l) (TGT_Q(ha, t)->olun[l])
#define GET_LU_Q(ha, t, l) ((TGT_Q(ha,t) != NULL)? TGT_Q(ha, t)->olun[l] : NULL)
#define to_qla_host(x) ((scsi_qla_host_t *) (x)->hostdata)

10
drivers/scsi/qla2xxx/qla_gbl.h
View file

@ -45,8 +45,6 @@ extern void qla2x00_restart_queues(scsi_qla_host_t *, uint8_t);
extern void qla2x00_rescan_fcports(scsi_qla_host_t *);
extern void qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t t);
extern int qla2x00_abort_isp(scsi_qla_host_t *);
extern void qla2x00_reg_remote_port(scsi_qla_host_t *, fc_port_t *);
@ -83,12 +81,6 @@ extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *);
extern void qla2x00_cmd_timeout(srb_t *);
extern int __qla2x00_suspend_lun(scsi_qla_host_t *, os_lun_t *, int, int, int);
extern void qla2x00_done(scsi_qla_host_t *);
extern void qla2x00_flush_failover_q(scsi_qla_host_t *, os_lun_t *);
extern void qla2x00_reset_lun_fo_counts(scsi_qla_host_t *, os_lun_t *);
extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int);
extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *);
@ -149,7 +141,7 @@ qla2x00_abort_target(fc_port_t *fcport);
#endif
extern int
qla2x00_target_reset(scsi_qla_host_t *, uint16_t, uint16_t);
qla2x00_target_reset(scsi_qla_host_t *, struct fc_port *);
extern int
qla2x00_get_adapter_id(scsi_qla_host_t *, uint16_t *, uint8_t *, uint8_t *,

868
drivers/scsi/qla2xxx/qla_init.c
View file

@ -45,34 +45,17 @@ static int qla2x00_init_rings(scsi_qla_host_t *);
static int qla2x00_fw_ready(scsi_qla_host_t *);
static int qla2x00_configure_hba(scsi_qla_host_t *);
static int qla2x00_nvram_config(scsi_qla_host_t *);
static void qla2x00_init_tgt_map(scsi_qla_host_t *);
static int qla2x00_configure_loop(scsi_qla_host_t *);
static int qla2x00_configure_local_loop(scsi_qla_host_t *);
static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
static void qla2x00_lun_discovery(scsi_qla_host_t *, fc_port_t *);
static int qla2x00_rpt_lun_discovery(scsi_qla_host_t *, fc_port_t *,
inq_cmd_rsp_t *, dma_addr_t);
static int qla2x00_report_lun(scsi_qla_host_t *, fc_port_t *);
static fc_lun_t *qla2x00_cfg_lun(scsi_qla_host_t *, fc_port_t *, uint16_t,
inq_cmd_rsp_t *, dma_addr_t);
static fc_lun_t * qla2x00_add_lun(fc_port_t *, uint16_t);
static int qla2x00_inquiry(scsi_qla_host_t *, fc_port_t *, uint16_t,
inq_cmd_rsp_t *, dma_addr_t);
static int qla2x00_configure_fabric(scsi_qla_host_t *);
static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
static int qla2x00_device_resync(scsi_qla_host_t *);
static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
uint16_t *);
static void qla2x00_config_os(scsi_qla_host_t *ha);
static uint16_t qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport);
static os_lun_t * qla2x00_fclun_bind(scsi_qla_host_t *, fc_port_t *,
fc_lun_t *);
static void qla2x00_lun_free(scsi_qla_host_t *, uint16_t, uint16_t);
static int qla2x00_restart_isp(scsi_qla_host_t *);
static void qla2x00_reset_adapter(scsi_qla_host_t *);
static os_tgt_t *qla2x00_tgt_alloc(scsi_qla_host_t *, uint16_t);
static os_lun_t *qla2x00_lun_alloc(scsi_qla_host_t *, uint16_t, uint16_t);
/****************************************************************************/
/* QLogic ISP2x00 Hardware Support Functions. */
@ -120,9 +103,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
qla2x00_reset_chip(ha);
/* Initialize target map database. */
qla2x00_init_tgt_map(ha);
qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
qla2x00_nvram_config(ha);
@ -1530,25 +1510,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
return (rval);
}
/*
* qla2x00_init_tgt_map
* Initializes target map.
*
* Input:
* ha = adapter block pointer.
*
* Output:
* TGT_Q initialized
*/
static void
qla2x00_init_tgt_map(scsi_qla_host_t *ha)
{
uint32_t t;
for (t = 0; t < MAX_TARGETS; t++)
TGT_Q(ha, t) = (os_tgt_t *)NULL;
}
/**
* qla2x00_alloc_fcport() - Allocate a generic fcport.
* @ha: HA context
@ -1573,7 +1534,6 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
fcport->flags = FCF_RLC_SUPPORT;
INIT_LIST_HEAD(&fcport->fcluns);
return (fcport);
}
@ -1663,7 +1623,6 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
rval = QLA_FUNCTION_FAILED;
} else {
qla2x00_config_os(ha);
atomic_set(&ha->loop_state, LOOP_READY);
DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
@ -1908,8 +1867,11 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
if (fcport->flags & FCF_TAPE_PRESENT) {
spin_lock_irqsave(&ha->hardware_lock, flags);
for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
fc_port_t *sfcp;
if ((sp = ha->outstanding_cmds[index]) != 0) {
if (sp->fclun->fcport == fcport) {
sfcp = sp->fcport;
if (sfcp == fcport) {
atomic_set(&fcport->state, FCS_ONLINE);
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
@ -1920,14 +1882,12 @@ qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
/* Do LUN discovery. */
if (fcport->port_type == FCT_INITIATOR ||
fcport->port_type == FCT_BROADCAST) {
fcport->port_type == FCT_BROADCAST)
fcport->device_type = TYPE_PROCESSOR;
} else {
qla2x00_lun_discovery(ha, fcport);
}
atomic_set(&fcport->state, FCS_ONLINE);
if (ha->flags.init_done)
qla2x00_reg_remote_port(ha, fcport);
}
@ -1936,6 +1896,7 @@ void
qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
{
struct fc_rport_identifiers rport_ids;
struct fc_rport *rport;
if (fcport->rport) {
fc_remote_port_unblock(fcport->rport);
@ -1952,417 +1913,16 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
if (fcport->port_type == FCT_TARGET)
rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
fcport->rport = fc_remote_port_add(ha->host, 0, &rport_ids);
if (!fcport->rport)
fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
if (!rport)
qla_printk(KERN_WARNING, ha,
"Unable to allocate fc remote port!\n");
if (rport->scsi_target_id != -1 && rport->scsi_target_id < MAX_TARGETS)
fcport->os_target_id = rport->scsi_target_id;
rport->dd_data = fcport;
}
/*
* qla2x00_lun_discovery
* Issue SCSI inquiry command for LUN discovery.
*
* Input:
* ha: adapter state pointer.
* fcport: FC port structure pointer.
*
* Context:
* Kernel context.
*/
static void
qla2x00_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport)
{
inq_cmd_rsp_t *inq;
dma_addr_t inq_dma;
uint16_t lun;
inq = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &inq_dma);
if (inq == NULL) {
qla_printk(KERN_WARNING, ha,
"Memory Allocation failed - INQ\n");
return;
}
/* Always add a fc_lun_t structure for lun 0 -- mid-layer requirement */
qla2x00_add_lun(fcport, 0);
/* If report LUN works, exit. */
if (qla2x00_rpt_lun_discovery(ha, fcport, inq, inq_dma) !=
QLA_SUCCESS) {
for (lun = 0; lun < ha->max_probe_luns; lun++) {
/* Configure LUN. */
qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
}
}
dma_pool_free(ha->s_dma_pool, inq, inq_dma);
}
/*
* qla2x00_rpt_lun_discovery
* Issue SCSI report LUN command for LUN discovery.
*
* Input:
* ha: adapter state pointer.
* fcport: FC port structure pointer.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
static int
qla2x00_rpt_lun_discovery(scsi_qla_host_t *ha, fc_port_t *fcport,
inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
{
int rval;
uint32_t len, cnt;
uint16_t lun;
/* Assume a failed status */
rval = QLA_FUNCTION_FAILED;
/* No point in continuing if the device doesn't support RLC */
if ((fcport->flags & FCF_RLC_SUPPORT) == 0)
return (rval);
rval = qla2x00_report_lun(ha, fcport);
if (rval != QLA_SUCCESS)
return (rval);
/* Configure LUN list. */
len = be32_to_cpu(ha->rlc_rsp->list.hdr.len);
len /= 8;
for (cnt = 0; cnt < len; cnt++) {
lun = CHAR_TO_SHORT(ha->rlc_rsp->list.lst[cnt].lsb,
ha->rlc_rsp->list.lst[cnt].msb.b);
DEBUG3(printk("scsi(%ld): RLC lun = (%d)\n", ha->host_no, lun));
/* We only support 0 through MAX_LUNS-1 range */
if (lun < MAX_LUNS) {
qla2x00_cfg_lun(ha, fcport, lun, inq, inq_dma);
}
}
atomic_set(&fcport->state, FCS_ONLINE);
return (rval);
}
/*
* qla2x00_report_lun
* Issue SCSI report LUN command.
*
* Input:
* ha: adapter state pointer.
* fcport: FC port structure pointer.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
static int
qla2x00_report_lun(scsi_qla_host_t *ha, fc_port_t *fcport)
{
int rval;
uint16_t retries;
uint16_t comp_status;
uint16_t scsi_status;
rpt_lun_cmd_rsp_t *rlc;
dma_addr_t rlc_dma;
rval = QLA_FUNCTION_FAILED;
rlc = ha->rlc_rsp;
rlc_dma = ha->rlc_rsp_dma;
for (retries = 3; retries; retries--) {
memset(rlc, 0, sizeof(rpt_lun_cmd_rsp_t));
rlc->p.cmd.entry_type = COMMAND_A64_TYPE;
rlc->p.cmd.entry_count = 1;
SET_TARGET_ID(ha, rlc->p.cmd.target, fcport->loop_id);
rlc->p.cmd.control_flags =
__constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
rlc->p.cmd.scsi_cdb[0] = REPORT_LUNS;
rlc->p.cmd.scsi_cdb[8] = MSB(sizeof(rpt_lun_lst_t));
rlc->p.cmd.scsi_cdb[9] = LSB(sizeof(rpt_lun_lst_t));
rlc->p.cmd.dseg_count = __constant_cpu_to_le16(1);
rlc->p.cmd.timeout = __constant_cpu_to_le16(10);
rlc->p.cmd.byte_count =
__constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
rlc->p.cmd.dseg_0_address[0] = cpu_to_le32(
LSD(rlc_dma + sizeof(sts_entry_t)));
rlc->p.cmd.dseg_0_address[1] = cpu_to_le32(
MSD(rlc_dma + sizeof(sts_entry_t)));
rlc->p.cmd.dseg_0_length =
__constant_cpu_to_le32(sizeof(rpt_lun_lst_t));
rval = qla2x00_issue_iocb(ha, rlc, rlc_dma,
sizeof(rpt_lun_cmd_rsp_t));
comp_status = le16_to_cpu(rlc->p.rsp.comp_status);
scsi_status = le16_to_cpu(rlc->p.rsp.scsi_status);
if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
scsi_status & SS_CHECK_CONDITION) {
/* Device underrun, treat as OK. */
if (rval == QLA_SUCCESS &&
comp_status == CS_DATA_UNDERRUN &&
scsi_status & SS_RESIDUAL_UNDER) {
rval = QLA_SUCCESS;
break;
}
DEBUG(printk("scsi(%ld): RLC failed to issue iocb! "
"fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
ha->host_no, fcport->loop_id, fcport, rval,
comp_status, scsi_status));
rval = QLA_FUNCTION_FAILED;
if (scsi_status & SS_CHECK_CONDITION) {
DEBUG2(printk("scsi(%ld): RLC "
"SS_CHECK_CONDITION Sense Data "
"%02x %02x %02x %02x %02x %02x %02x %02x\n",
ha->host_no,
rlc->p.rsp.req_sense_data[0],
rlc->p.rsp.req_sense_data[1],
rlc->p.rsp.req_sense_data[2],
rlc->p.rsp.req_sense_data[3],
rlc->p.rsp.req_sense_data[4],
rlc->p.rsp.req_sense_data[5],
rlc->p.rsp.req_sense_data[6],
rlc->p.rsp.req_sense_data[7]));
if (rlc->p.rsp.req_sense_data[2] ==
ILLEGAL_REQUEST) {
fcport->flags &= ~(FCF_RLC_SUPPORT);
break;
}
}
} else {
break;
}
}
return (rval);
}
/*
* qla2x00_cfg_lun
* Configures LUN into fcport LUN list.
*
* Input:
* fcport: FC port structure pointer.
* lun: LUN number.
*
* Context:
* Kernel context.
*/
static fc_lun_t *
qla2x00_cfg_lun(scsi_qla_host_t *ha, fc_port_t *fcport, uint16_t lun,
inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
{
fc_lun_t *fclun;
uint8_t device_type;
/* Bypass LUNs that failed. */
if (qla2x00_inquiry(ha, fcport, lun, inq, inq_dma) != QLA_SUCCESS) {
DEBUG2(printk("scsi(%ld): Failed inquiry - loop id=0x%04x "
"lun=%d\n", ha->host_no, fcport->loop_id, lun));
return (NULL);
}
device_type = (inq->inq[0] & 0x1f);
switch (device_type) {
case TYPE_DISK:
case TYPE_PROCESSOR:
case TYPE_WORM:
case TYPE_ROM:
case TYPE_SCANNER:
case TYPE_MOD:
case TYPE_MEDIUM_CHANGER:
case TYPE_ENCLOSURE:
case 0x20:
case 0x0C:
break;
case TYPE_TAPE:
fcport->flags |= FCF_TAPE_PRESENT;
break;
default:
DEBUG2(printk("scsi(%ld): Unsupported lun type -- "
"loop id=0x%04x lun=%d type=%x\n",
ha->host_no, fcport->loop_id, lun, device_type));
return (NULL);
}
fcport->device_type = device_type;
fclun = qla2x00_add_lun(fcport, lun);
if (fclun != NULL) {
atomic_set(&fcport->state, FCS_ONLINE);
}
return (fclun);
}
/*
* qla2x00_add_lun
* Adds LUN to database
*
* Input:
* fcport: FC port structure pointer.
* lun: LUN number.
*
* Context:
* Kernel context.
*/
static fc_lun_t *
qla2x00_add_lun(fc_port_t *fcport, uint16_t lun)
{
int found;
fc_lun_t *fclun;
if (fcport == NULL) {
DEBUG(printk("scsi: Unable to add lun to NULL port\n"));
return (NULL);
}
/* Allocate LUN if not already allocated. */
found = 0;
list_for_each_entry(fclun, &fcport->fcluns, list) {
if (fclun->lun == lun) {
found++;
break;
}
}
if (found)
return (NULL);
fclun = kmalloc(sizeof(fc_lun_t), GFP_ATOMIC);
if (fclun == NULL) {
printk(KERN_WARNING
"%s(): Memory Allocation failed - FCLUN\n",
__func__);
return (NULL);
}
/* Setup LUN structure. */
memset(fclun, 0, sizeof(fc_lun_t));
fclun->lun = lun;
fclun->fcport = fcport;
fclun->o_fcport = fcport;
fclun->device_type = fcport->device_type;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
list_add_tail(&fclun->list, &fcport->fcluns);
return (fclun);
}
/*
* qla2x00_inquiry
* Issue SCSI inquiry command.
*
* Input:
* ha = adapter block pointer.
* fcport = FC port structure pointer.
*
* Return:
* 0 - Success
* BIT_0 - error
*
* Context:
* Kernel context.
*/
static int
qla2x00_inquiry(scsi_qla_host_t *ha,
fc_port_t *fcport, uint16_t lun, inq_cmd_rsp_t *inq, dma_addr_t inq_dma)
{
int rval;
uint16_t retries;
uint16_t comp_status;
uint16_t scsi_status;
rval = QLA_FUNCTION_FAILED;
for (retries = 3; retries; retries--) {
memset(inq, 0, sizeof(inq_cmd_rsp_t));
inq->p.cmd.entry_type = COMMAND_A64_TYPE;
inq->p.cmd.entry_count = 1;
inq->p.cmd.lun = cpu_to_le16(lun);
SET_TARGET_ID(ha, inq->p.cmd.target, fcport->loop_id);
inq->p.cmd.control_flags =
__constant_cpu_to_le16(CF_READ | CF_SIMPLE_TAG);
inq->p.cmd.scsi_cdb[0] = INQUIRY;
inq->p.cmd.scsi_cdb[4] = INQ_DATA_SIZE;
inq->p.cmd.dseg_count = __constant_cpu_to_le16(1);
inq->p.cmd.timeout = __constant_cpu_to_le16(10);
inq->p.cmd.byte_count =
__constant_cpu_to_le32(INQ_DATA_SIZE);
inq->p.cmd.dseg_0_address[0] = cpu_to_le32(
LSD(inq_dma + sizeof(sts_entry_t)));
inq->p.cmd.dseg_0_address[1] = cpu_to_le32(
MSD(inq_dma + sizeof(sts_entry_t)));
inq->p.cmd.dseg_0_length =
__constant_cpu_to_le32(INQ_DATA_SIZE);
DEBUG5(printk("scsi(%ld): Lun Inquiry - fcport=[%04x/%p],"
" lun (%d)\n",
ha->host_no, fcport->loop_id, fcport, lun));
rval = qla2x00_issue_iocb(ha, inq, inq_dma,
sizeof(inq_cmd_rsp_t));
comp_status = le16_to_cpu(inq->p.rsp.comp_status);
scsi_status = le16_to_cpu(inq->p.rsp.scsi_status);
DEBUG5(printk("scsi(%ld): lun (%d) inquiry - "
"inq[0]= 0x%x, comp status 0x%x, scsi status 0x%x, "
"rval=%d\n",
ha->host_no, lun, inq->inq[0], comp_status, scsi_status,
rval));
if (rval != QLA_SUCCESS || comp_status != CS_COMPLETE ||
scsi_status & SS_CHECK_CONDITION) {
DEBUG(printk("scsi(%ld): INQ failed to issue iocb! "
"fcport=[%04x/%p] rval=%x cs=%x ss=%x\n",
ha->host_no, fcport->loop_id, fcport, rval,
comp_status, scsi_status));
if (rval == QLA_SUCCESS)
rval = QLA_FUNCTION_FAILED;
if (scsi_status & SS_CHECK_CONDITION) {
DEBUG2(printk("scsi(%ld): INQ "
"SS_CHECK_CONDITION Sense Data "
"%02x %02x %02x %02x %02x %02x %02x %02x\n",
ha->host_no,
inq->p.rsp.req_sense_data[0],
inq->p.rsp.req_sense_data[1],
inq->p.rsp.req_sense_data[2],
inq->p.rsp.req_sense_data[3],
inq->p.rsp.req_sense_data[4],
inq->p.rsp.req_sense_data[5],
inq->p.rsp.req_sense_data[6],
inq->p.rsp.req_sense_data[7]));
}
/* Device underrun drop LUN. */
if (comp_status == CS_DATA_UNDERRUN &&
scsi_status & SS_RESIDUAL_UNDER) {
break;
}
} else {
break;
}
}
return (rval);
}
/*
* qla2x00_configure_fabric
@ -2514,12 +2074,12 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
break;
}
/* Login and update database */
qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
/* Remove device from the new list and add it to DB */
list_del(&fcport->list);
list_add_tail(&fcport->list, &ha->fcports);
/* Login and update database */
qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
}
} while (0);
@ -3203,396 +2763,6 @@ qla2x00_rescan_fcports(scsi_qla_host_t *ha)
rescan_done = 1;
}
qla2x00_probe_for_all_luns(ha);
/* Update OS target and lun structures if necessary. */
if (rescan_done) {
qla2x00_config_os(ha);
}
}
/*
* qla2x00_config_os
* Setup OS target and LUN structures.
*
* Input:
* ha = adapter state pointer.
*
* Context:
* Kernel context.
*/
static void
qla2x00_config_os(scsi_qla_host_t *ha)
{
fc_port_t *fcport;
fc_lun_t *fclun;
os_tgt_t *tq;
uint16_t tgt;
for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
if ((tq = TGT_Q(ha, tgt)) == NULL)
continue;
clear_bit(TQF_ONLINE, &tq->flags);
}
list_for_each_entry(fcport, &ha->fcports, list) {
if (atomic_read(&fcport->state) != FCS_ONLINE ||
fcport->port_type == FCT_INITIATOR ||
fcport->port_type == FCT_BROADCAST) {
fcport->os_target_id = MAX_TARGETS;
continue;
}
if (fcport->flags & FCF_FO_MASKED) {
continue;
}
/* Bind FC port to OS target number. */
if (qla2x00_fcport_bind(ha, fcport) == MAX_TARGETS) {
continue;
}
/* Bind FC LUN to OS LUN number. */
list_for_each_entry(fclun, &fcport->fcluns, list) {
qla2x00_fclun_bind(ha, fcport, fclun);
}
}
}
/*
* qla2x00_fcport_bind
* Locates a target number for FC port.
*
* Input:
* ha = adapter state pointer.
* fcport = FC port structure pointer.
*
* Returns:
* target number
*
* Context:
* Kernel context.
*/
static uint16_t
qla2x00_fcport_bind(scsi_qla_host_t *ha, fc_port_t *fcport)
{
int found;
uint16_t tgt;
os_tgt_t *tq;
/* Check for persistent binding. */
for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
if ((tq = TGT_Q(ha, tgt)) == NULL)
continue;
found = 0;
switch (ha->binding_type) {
case BIND_BY_PORT_ID:
if (fcport->d_id.b24 == tq->d_id.b24) {
memcpy(tq->node_name, fcport->node_name,
WWN_SIZE);
memcpy(tq->port_name, fcport->port_name,
WWN_SIZE);
found++;
}
break;
case BIND_BY_PORT_NAME:
if (memcmp(fcport->port_name, tq->port_name,
WWN_SIZE) == 0) {
/*
* In case of persistent binding, update the
* WWNN.
*/
memcpy(tq->node_name, fcport->node_name,
WWN_SIZE);
found++;
}
break;
}
if (found)
break;
}
/* TODO: honor the ConfigRequired flag */
if (tgt == MAX_TARGETS) {
/* Check if targetID 0 available. */
tgt = 0;
if (TGT_Q(ha, tgt) != NULL) {
/* Locate first free target for device. */
for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
if (TGT_Q(ha, tgt) == NULL) {
break;
}
}
}
if (tgt != MAX_TARGETS) {
if ((tq = qla2x00_tgt_alloc(ha, tgt)) != NULL) {
memcpy(tq->node_name, fcport->node_name,
WWN_SIZE);
memcpy(tq->port_name, fcport->port_name,
WWN_SIZE);
tq->d_id.b24 = fcport->d_id.b24;
}
}
}
/* Reset target numbers incase it changed. */
fcport->os_target_id = tgt;
if (tgt != MAX_TARGETS && tq != NULL) {
DEBUG2(printk("scsi(%ld): Assigning target ID=%02d @ %p to "
"loop id=0x%04x, port state=0x%x, port down retry=%d\n",
ha->host_no, tgt, tq, fcport->loop_id,
atomic_read(&fcport->state),
atomic_read(&fcport->port_down_timer)));
fcport->tgt_queue = tq;
fcport->flags |= FCF_PERSISTENT_BOUND;
tq->fcport = fcport;
set_bit(TQF_ONLINE, &tq->flags);
tq->port_down_retry_count = ha->port_down_retry_count;
}
if (tgt == MAX_TARGETS) {
qla_printk(KERN_WARNING, ha,
"Unable to bind fcport, loop_id=%x\n", fcport->loop_id);
}
return (tgt);
}
/*
* qla2x00_fclun_bind
* Binds all FC device LUNS to OS LUNS.
*
* Input:
* ha: adapter state pointer.
* fcport: FC port structure pointer.
*
* Returns:
* target number
*
* Context:
* Kernel context.
*/
static os_lun_t *
qla2x00_fclun_bind(scsi_qla_host_t *ha, fc_port_t *fcport, fc_lun_t *fclun)
{
os_lun_t *lq;
uint16_t tgt;
uint16_t lun;
tgt = fcport->os_target_id;
lun = fclun->lun;
/* Allocate LUNs */
if (lun >= MAX_LUNS) {
DEBUG2(printk("scsi(%ld): Unable to bind lun, invalid "
"lun=(%x).\n", ha->host_no, lun));
return (NULL);
}
/* Always alloc LUN 0 so kernel will scan past LUN 0. */
if (lun != 0 && (EXT_IS_LUN_BIT_SET(&(fcport->lun_mask), lun))) {
return (NULL);
}
if ((lq = qla2x00_lun_alloc(ha, tgt, lun)) == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to bind fclun, loop_id=%x lun=%x\n",
fcport->loop_id, lun);
return (NULL);
}
lq->fclun = fclun;
return (lq);
}
/*
* qla2x00_tgt_alloc
* Allocate and pre-initialize target queue.
*
* Input:
* ha = adapter block pointer.
* t = SCSI target number.
*
* Returns:
* NULL = failure
*
* Context:
* Kernel context.
*/
static os_tgt_t *
qla2x00_tgt_alloc(scsi_qla_host_t *ha, uint16_t tgt)
{
os_tgt_t *tq;
/*
* If SCSI addressing OK, allocate TGT queue and lock.
*/
if (tgt >= MAX_TARGETS) {
DEBUG2(printk("scsi(%ld): Unable to allocate target, invalid "
"target number %d.\n", ha->host_no, tgt));
return (NULL);
}
tq = TGT_Q(ha, tgt);
if (tq == NULL) {
tq = kmalloc(sizeof(os_tgt_t), GFP_ATOMIC);
if (tq != NULL) {
DEBUG2(printk("scsi(%ld): Alloc Target %d @ %p\n",
ha->host_no, tgt, tq));
memset(tq, 0, sizeof(os_tgt_t));
tq->ha = ha;
TGT_Q(ha, tgt) = tq;
}
}
if (tq != NULL) {
tq->port_down_retry_count = ha->port_down_retry_count;
} else {
qla_printk(KERN_WARNING, ha,
"Unable to allocate target.\n");
ha->mem_err++;
}
return (tq);
}
/*
* qla2x00_tgt_free
* Frees target and LUN queues.
*
* Input:
* ha = adapter block pointer.
* t = SCSI target number.
*
* Context:
* Kernel context.
*/
void
qla2x00_tgt_free(scsi_qla_host_t *ha, uint16_t tgt)
{
os_tgt_t *tq;
uint16_t lun;
/*
* If SCSI addressing OK, allocate TGT queue and lock.
*/
if (tgt >= MAX_TARGETS) {
DEBUG2(printk("scsi(%ld): Unable to de-allocate target, "
"invalid target number %d.\n", ha->host_no, tgt));
return;
}
tq = TGT_Q(ha, tgt);
if (tq != NULL) {
TGT_Q(ha, tgt) = NULL;
/* Free LUN structures. */
for (lun = 0; lun < MAX_LUNS; lun++)
qla2x00_lun_free(ha, tgt, lun);
kfree(tq);
}
return;
}
/*
* qla2x00_lun_alloc
* Allocate and initialize LUN queue.
*
* Input:
* ha = adapter block pointer.
* t = SCSI target number.
* l = LUN number.
*
* Returns:
* NULL = failure
*
* Context:
* Kernel context.
*/
static os_lun_t *
qla2x00_lun_alloc(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
{
os_lun_t *lq;
/*
* If SCSI addressing OK, allocate LUN queue.
*/
if (tgt >= MAX_TARGETS || lun >= MAX_LUNS || TGT_Q(ha, tgt) == NULL) {
DEBUG2(printk("scsi(%ld): Unable to allocate lun, invalid "
"parameter.\n", ha->host_no));
return (NULL);
}
lq = LUN_Q(ha, tgt, lun);
if (lq == NULL) {
lq = kmalloc(sizeof(os_lun_t), GFP_ATOMIC);
if (lq != NULL) {
DEBUG2(printk("scsi(%ld): Alloc Lun %d @ tgt %d.\n",
ha->host_no, lun, tgt));
memset(lq, 0, sizeof(os_lun_t));
LUN_Q(ha, tgt, lun) = lq;
/*
* The following lun queue initialization code
* must be duplicated in alloc_ioctl_mem function
* for ioctl_lq.
*/
lq->q_state = LUN_STATE_READY;
spin_lock_init(&lq->q_lock);
}
}
if (lq == NULL) {
qla_printk(KERN_WARNING, ha, "Unable to allocate lun.\n");
}
return (lq);
}
/*
* qla2x00_lun_free
* Frees LUN queue.
*
* Input:
* ha = adapter block pointer.
* t = SCSI target number.
*
* Context:
* Kernel context.
*/
static void
qla2x00_lun_free(scsi_qla_host_t *ha, uint16_t tgt, uint16_t lun)
{
os_lun_t *lq;
/*
* If SCSI addressing OK, allocate TGT queue and lock.
*/
if (tgt >= MAX_TARGETS || lun >= MAX_LUNS) {
DEBUG2(printk("scsi(%ld): Unable to deallocate lun, invalid "
"parameter.\n", ha->host_no));
return;
}
if (TGT_Q(ha, tgt) != NULL && (lq = LUN_Q(ha, tgt, lun)) != NULL) {
LUN_Q(ha, tgt, lun) = NULL;
kfree(lq);
}
return;
}
/*
@ -3642,8 +2812,6 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
ha->outstanding_cmds[cnt] = NULL;
if (ha->actthreads)
ha->actthreads--;
sp->lun_queue->out_cnt--;
sp->flags = 0;
sp->cmd->result = DID_RESET << 16;
sp->cmd->host_scribble = (unsigned char *)NULL;

17
drivers/scsi/qla2xxx/qla_inline.h
View file

@ -187,23 +187,6 @@ qla2x00_is_wwn_zero(uint8_t *wwn)
return (0);
}
static __inline__ uint8_t
qla2x00_suspend_lun(scsi_qla_host_t *, os_lun_t *, int, int);
static __inline__ uint8_t
qla2x00_delay_lun(scsi_qla_host_t *, os_lun_t *, int);
static __inline__ uint8_t
qla2x00_suspend_lun(scsi_qla_host_t *ha, os_lun_t *lq, int time, int count)
{
return (__qla2x00_suspend_lun(ha, lq, time, count, 0));
}
static __inline__ uint8_t
qla2x00_delay_lun(scsi_qla_host_t *ha, os_lun_t *lq, int time)
{
return (__qla2x00_suspend_lun(ha, lq, time, 1, 1));
}
static __inline__ void qla2x00_check_fabric_devices(scsi_qla_host_t *);
/*
* This routine will wait for fabric devices for

13
drivers/scsi/qla2xxx/qla_iocb.c
View file

@ -328,7 +328,6 @@ qla2x00_start_scsi(srb_t *sp)
int ret;
unsigned long flags;
scsi_qla_host_t *ha;
fc_lun_t *fclun;
struct scsi_cmnd *cmd;
uint32_t *clr_ptr;
uint32_t index;
@ -343,8 +342,7 @@ qla2x00_start_scsi(srb_t *sp)
/* Setup device pointers. */
ret = 0;
fclun = sp->lun_queue->fclun;
ha = fclun->fcport->ha;
ha = sp->ha;
reg = ha->iobase;
cmd = sp->cmd;
@ -411,11 +409,9 @@ qla2x00_start_scsi(srb_t *sp)
memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
/* Set target ID */
SET_TARGET_ID(ha, cmd_pkt->target, fclun->fcport->loop_id);
/* Set LUN number*/
cmd_pkt->lun = cpu_to_le16(fclun->lun);
/* Set target ID and LUN number*/
SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id);
cmd_pkt->lun = cpu_to_le16(sp->cmd->device->lun);
/* Update tagged queuing modifier */
cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
@ -453,7 +449,6 @@ qla2x00_start_scsi(srb_t *sp)
ha->actthreads++;
ha->total_ios++;
sp->lun_queue->out_cnt++;
sp->flags |= SRB_DMA_VALID;
sp->state = SRB_ACTIVE_STATE;
sp->u_start = jiffies;

37
drivers/scsi/qla2xxx/qla_isr.c
View file

@ -697,7 +697,6 @@ qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index)
if (ha->actthreads)
ha->actthreads--;
sp->lun_queue->out_cnt--;
CMD_COMPL_STATUS(sp->cmd) = 0L;
CMD_SCSI_STATUS(sp->cmd) = 0L;
@ -818,11 +817,8 @@ qla2x00_process_response_queue(struct scsi_qla_host *ha)
static void
qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
{
int ret;
unsigned b, t, l;
srb_t *sp;
os_lun_t *lq;
os_tgt_t *tq;
fc_port_t *fcport;
struct scsi_cmnd *cp;
uint16_t comp_status;
@ -872,21 +868,6 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
if (ha->actthreads)
ha->actthreads--;
if (sp->lun_queue == NULL) {
DEBUG2(printk("scsi(%ld): Status Entry invalid lun pointer.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha,
"Status Entry invalid lun pointer.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
if (ha->dpc_wait && !ha->dpc_active)
up(ha->dpc_wait);
return;
}
sp->lun_queue->out_cnt--;
comp_status = le16_to_cpu(pkt->comp_status);
/* Mask of reserved bits 12-15, before we examine the scsi status */
scsi_status = le16_to_cpu(pkt->scsi_status) & SS_MASK;
@ -901,8 +882,7 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
t = cp->device->id;
l = cp->device->lun,
tq = sp->tgt_queue;
lq = sp->lun_queue;
fcport = sp->fcport;
/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
@ -1096,7 +1076,6 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
* Target with DID_NO_CONNECT ELSE Queue the IOs in the
* retry_queue.
*/
fcport = sp->fclun->fcport;
DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
"pid=%ld, compl status=0x%x, port state=0x%x\n",
ha->host_no, t, l, cp->serial_number, comp_status,
@ -1137,8 +1116,6 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
cp->result = DID_BUS_BUSY << 16;
fcport = lq->fclun->fcport;
/* Check to see if logout occurred */
if ((le16_to_cpu(pkt->status_flags) & SF_LOGOUT_SENT)) {
qla2x00_mark_device_lost(ha, fcport, 1);
@ -1154,16 +1131,6 @@ qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
cp->result = DID_OK << 16 | lscsi_status;
/* TODO: ??? */
/* Adjust queue depth */
ret = scsi_track_queue_full(cp->device,
sp->lun_queue->out_cnt - 1);
if (ret) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Queue depth adjusted to %d.\n",
ha->host_no, cp->device->channel, cp->device->id,
cp->device->lun, ret);
}
break;
default:
@ -1268,8 +1235,6 @@ qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
ha->outstanding_cmds[pkt->handle] = NULL;
if (ha->actthreads)
ha->actthreads--;
sp->lun_queue->out_cnt--;
/* Bad payload or header */
if (pkt->entry_status &
(RF_INV_E_ORDER | RF_INV_E_COUNT |

21
drivers/scsi/qla2xxx/qla_mbx.c
View file

@ -858,8 +858,7 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no);)
fcport = sp->fclun->fcport;
fcport = sp->fcport;
if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
return 1;
@ -884,7 +883,7 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
mcp->mb[1] = fcport->loop_id << 8;
mcp->mb[2] = (uint16_t)handle;
mcp->mb[3] = (uint16_t)(handle >> 16);
mcp->mb[6] = (uint16_t)sp->fclun->lun;
mcp->mb[6] = (uint16_t)sp->cmd->device->lun;
mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_0;
mcp->tov = 30;
@ -980,30 +979,22 @@ qla2x00_abort_target(fc_port_t *fcport)
* Kernel context.
*/
int
qla2x00_target_reset(scsi_qla_host_t *ha, uint16_t b, uint16_t t)
qla2x00_target_reset(scsi_qla_host_t *ha, struct fc_port *fcport)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
os_tgt_t *tgt;
DEBUG11(printk("qla2x00_target_reset(%ld): entered.\n", ha->host_no);)
tgt = TGT_Q(ha, t);
if (tgt->fcport == NULL) {
/* no target to abort */
if (atomic_read(&fcport->state) != FCS_ONLINE)
return 0;
}
if (atomic_read(&tgt->fcport->state) != FCS_ONLINE) {
/* target not online */
return 0;
}
mcp->mb[0] = MBC_TARGET_RESET;
if (HAS_EXTENDED_IDS(ha))
mcp->mb[1] = tgt->fcport->loop_id;
mcp->mb[1] = fcport->loop_id;
else
mcp->mb[1] = tgt->fcport->loop_id << 8;
mcp->mb[1] = fcport->loop_id << 8;
mcp->mb[2] = ha->loop_reset_delay;
mcp->out_mb = MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_0;

284
drivers/scsi/qla2xxx/qla_os.c
View file

@ -75,11 +75,6 @@ MODULE_PARM_DESC(ql2xretrycount,
"Maximum number of mid-layer retries allowed for a command. "
"Default value is 20, ");
int displayConfig;
module_param(displayConfig, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(displayConfig,
"If 1 then display the configuration used in /etc/modprobe.conf.");
int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
@ -119,12 +114,6 @@ MODULE_PARM_DESC(ql2xsuspendcount,
"target returns a <NOT READY> status. Default is 10 "
"iterations.");
int ql2xdoinitscan = 1;
module_param(ql2xdoinitscan, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xdoinitscan,
"Signal mid-layer to perform scan after driver load: 0 -- no "
"signal sent to mid-layer.");
int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
@ -195,8 +184,6 @@ static struct scsi_host_template qla2x00_driver_template = {
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
static void qla2x00_display_fc_names(scsi_qla_host_t *);
/* TODO Convert to inlines
*
* Timer routines
@ -332,14 +319,11 @@ static int
qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
fc_port_t *fcport = tq->fcport;
os_lun_t *lq;
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int rval;
lq = GET_LU_Q(ha, cmd->device->id, cmd->device->lun);
if (!fcport || !lq) {
if (!fcport) {
cmd->result = DID_NO_CONNECT << 16;
goto qc_fail_command;
}
@ -361,13 +345,8 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
}
sp->ha = ha;
sp->fcport = fcport;
sp->cmd = cmd;
sp->tgt_queue = tq;
sp->lun_queue = lq;
lq->io_cnt++;
sp->fclun = lq->fclun;
sp->flags = 0;
sp->err_id = 0;
@ -677,9 +656,7 @@ int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
fc_port_t *fcport = tq->fcport;
os_lun_t *lq;
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
@ -692,8 +669,7 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
lq = GET_LU_Q(ha, id, lun);
if (!sp || !fcport || !lq)
if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
@ -826,9 +802,7 @@ int
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
fc_port_t *fcport = tq->fcport;
os_lun_t *lq;
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
@ -841,8 +815,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
lq = GET_LU_Q(ha, id, lun);
if (!sp || !fcport || !lq)
if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
@ -895,9 +868,7 @@ int
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
os_tgt_t *tq = (os_tgt_t *) cmd->device->hostdata;
fc_port_t *fcport = tq->fcport;
os_lun_t *lq;
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
srb_t *sp;
int ret;
unsigned int id, lun;
@ -910,8 +881,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
serial = cmd->serial_number;
sp = (srb_t *) CMD_SP(cmd);
lq = GET_LU_Q(ha, id, lun);
if (!sp || !fcport || !lq)
if (!sp || !fcport)
return ret;
qla_printk(KERN_INFO, ha,
@ -969,25 +939,20 @@ static int
qla2x00_loop_reset(scsi_qla_host_t *ha)
{
int status = QLA_SUCCESS;
uint16_t t;
os_tgt_t *tq;
struct fc_port *fcport;
if (ha->flags.enable_lip_reset) {
status = qla2x00_lip_reset(ha);
}
if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
if ((tq = TGT_Q(ha, t)) == NULL)
list_for_each_entry(fcport, &ha->fcports, list) {
if (fcport->port_type != FCT_TARGET)
continue;
if (tq->fcport == NULL)
continue;
status = qla2x00_target_reset(ha, 0, t);
if (status != QLA_SUCCESS) {
status = qla2x00_target_reset(ha, fcport);
if (status != QLA_SUCCESS)
break;
}
}
}
@ -1041,15 +1006,26 @@ static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
{
scsi_qla_host_t *ha = to_qla_host(sdev->host);
os_tgt_t *tq;
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
fc_port_t *fcport;
int found;
tq = (os_tgt_t *) TGT_Q(ha, sdev->id);
if (!tq)
return -ENXIO;
if (!tq->fcport)
if (!rport)
return -ENXIO;
sdev->hostdata = tq;
found = 0;
list_for_each_entry(fcport, &ha->fcports, list) {
if (rport->port_name ==
be64_to_cpu(*(uint64_t *)fcport->port_name)) {
found++;
break;
}
}
if (!found)
return -ENXIO;
sdev->hostdata = fcport;
return 0;
}
@ -1330,6 +1306,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
}
qla2x00_init_host_attr(ha);
/*
* Startup the kernel thread for this host adapter
*/
@ -1406,11 +1383,6 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
ha->flags.init_done = 1;
num_hosts++;
/* List the target we have found */
if (displayConfig) {
qla2x00_display_fc_names(ha);
}
qla_printk(KERN_INFO, ha, "\n"
" QLogic Fibre Channel HBA Driver: %s\n"
" QLogic %s - %s\n"
@ -1427,6 +1399,8 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
return 0;
probe_failed:
fc_remove_host(ha->host);
scsi_remove_host(host);
probe_alloc_failed:
@ -1449,6 +1423,8 @@ void qla2x00_remove_one(struct pci_dev *pdev)
qla2x00_free_sysfs_attr(ha);
fc_remove_host(ha->host);
scsi_remove_host(ha->host);
qla2x00_free_device(ha);
@ -1581,9 +1557,6 @@ qla2x00_proc_info(struct Scsi_Host *shost, char *buffer,
{
struct info_str info;
int retval = -EINVAL;
os_lun_t *up;
os_tgt_t *tq;
unsigned int t, l;
uint32_t tmp_sn;
uint32_t *flags;
uint8_t *loop_state;
@ -1737,79 +1710,6 @@ qla2x00_proc_info(struct Scsi_Host *shost, char *buffer,
ha->init_cb->port_name[6],
ha->init_cb->port_name[7]);
/* Print out device port names */
for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
if ((tq = TGT_Q(ha, t)) == NULL)
continue;
copy_info(&info,
"scsi-qla%d-target-%d="
"%02x%02x%02x%02x%02x%02x%02x%02x;\n",
(int)ha->instance, t,
tq->port_name[0], tq->port_name[1],
tq->port_name[2], tq->port_name[3],
tq->port_name[4], tq->port_name[5],
tq->port_name[6], tq->port_name[7]);
}
copy_info(&info, "\nSCSI LUN Information:\n");
copy_info(&info,
"(Id:Lun) * - indicates lun is not registered with the OS.\n");
/* scan for all equipment stats */
for (t = 0; t < MAX_FIBRE_DEVICES; t++) {
/* scan all luns */
for (l = 0; l < ha->max_luns; l++) {
up = (os_lun_t *) GET_LU_Q(ha, t, l);
if (up == NULL) {
continue;
}
if (up->fclun == NULL) {
continue;
}
copy_info(&info,
"(%2d:%2d): Total reqs %ld,",
t,l,up->io_cnt);
copy_info(&info,
" Pending reqs %ld,",
up->out_cnt);
if (up->io_cnt < 4) {
copy_info(&info,
" flags 0x%x*,",
(int)up->q_flag);
} else {
copy_info(&info,
" flags 0x%x,",
(int)up->q_flag);
}
copy_info(&info,
" %ld:%d:%02x %02x",
up->fclun->fcport->ha->instance,
up->fclun->fcport->cur_path,
up->fclun->fcport->loop_id,
up->fclun->device_type);
copy_info(&info, "\n");
if (info.pos >= info.offset + info.length) {
/* No need to continue */
goto profile_stop;
}
}
if (info.pos >= info.offset + info.length) {
/* No need to continue */
break;
}
}
profile_stop:
retval = info.pos > info.offset ? info.pos - info.offset : 0;
DEBUG3(printk(KERN_INFO
@ -1819,95 +1719,6 @@ profile_stop:
return (retval);
}
/*
* qla2x00_display_fc_names
* This routine will the node names of the different devices found
* after port inquiry.
*
* Input:
* cmd = SCSI command structure
*
* Returns:
* None.
*/
static void
qla2x00_display_fc_names(scsi_qla_host_t *ha)
{
uint16_t tgt;
os_tgt_t *tq;
/* Display the node name for adapter */
qla_printk(KERN_INFO, ha,
"scsi-qla%d-adapter-node=%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
(int)ha->instance,
ha->init_cb->node_name[0],
ha->init_cb->node_name[1],
ha->init_cb->node_name[2],
ha->init_cb->node_name[3],
ha->init_cb->node_name[4],
ha->init_cb->node_name[5],
ha->init_cb->node_name[6],
ha->init_cb->node_name[7]);
/* display the port name for adapter */
qla_printk(KERN_INFO, ha,
"scsi-qla%d-adapter-port=%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
(int)ha->instance,
ha->init_cb->port_name[0],
ha->init_cb->port_name[1],
ha->init_cb->port_name[2],
ha->init_cb->port_name[3],
ha->init_cb->port_name[4],
ha->init_cb->port_name[5],
ha->init_cb->port_name[6],
ha->init_cb->port_name[7]);
/* Print out device port names */
for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
if ((tq = ha->otgt[tgt]) == NULL)
continue;
if (tq->fcport == NULL)
continue;
switch (ha->binding_type) {
case BIND_BY_PORT_NAME:
qla_printk(KERN_INFO, ha,
"scsi-qla%d-tgt-%d-di-0-port="
"%02x%02x%02x%02x%02x%02x%02x%02x\\;\n",
(int)ha->instance,
tgt,
tq->port_name[0],
tq->port_name[1],
tq->port_name[2],
tq->port_name[3],
tq->port_name[4],
tq->port_name[5],
tq->port_name[6],
tq->port_name[7]);
break;
case BIND_BY_PORT_ID:
qla_printk(KERN_INFO, ha,
"scsi-qla%d-tgt-%d-di-0-pid="
"%02x%02x%02x\\;\n",
(int)ha->instance,
tgt,
tq->d_id.b.domain,
tq->d_id.b.area,
tq->d_id.b.al_pa);
break;
}
#if VSA
qla_printk(KERN_INFO, ha,
"scsi-qla%d-target-%d-vsa=01;\n", (int)ha->instance, tgt);
#endif
}
}
/*
* qla2x00_mark_device_lost Updates fcport state when device goes offline.
*
@ -2199,11 +2010,8 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
static void
qla2x00_mem_free(scsi_qla_host_t *ha)
{
uint32_t t;
struct list_head *fcpl, *fcptemp;
fc_port_t *fcport;
struct list_head *fcll, *fcltemp;
fc_lun_t *fclun;
unsigned long wtime;/* max wait time if mbx cmd is busy. */
if (ha == NULL) {
@ -2212,11 +2020,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
return;
}
/* Free the target queues */
for (t = 0; t < MAX_TARGETS; t++) {
qla2x00_tgt_free(ha, t);
}
/* Make sure all other threads are stopped. */
wtime = 60 * HZ;
while (ha->dpc_wait && wtime) {
@ -2295,14 +2098,6 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
fcport = list_entry(fcpl, fc_port_t, list);
/* fc luns */
list_for_each_safe(fcll, fcltemp, &fcport->fcluns) {
fclun = list_entry(fcll, fc_lun_t, list);
list_del_init(&fclun->list);
kfree(fclun);
}
/* fc ports */
list_del_init(&fcport->list);
kfree(fcport);
@ -2648,6 +2443,7 @@ qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
cmd->scsi_done(cmd);
}
/**************************************************************************
* qla2x00_timer
*
@ -2713,11 +2509,13 @@ qla2x00_timer(scsi_qla_host_t *ha)
spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
index++) {
fc_port_t *sfcp;
sp = ha->outstanding_cmds[index];
if (!sp)
continue;
if (!(sp->fclun->fcport->flags &
FCF_TAPE_PRESENT))
sfcp = sp->fcport;
if (!(sfcp->flags & FCF_TAPE_PRESENT))
continue;
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);