PATCH [3/3] qla2xxx: remove internal lun discovery...

Andrew Vasquez
2005-02-04T21:00:27Z

Repost: seems as though first one didn't make it to the list.

Remove internal lun discovery routines and support
structures.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>

drivers/scsi/qla2xxx/qla_dbg.c | 5
drivers/scsi/qla2xxx/qla_def.h | 69 ----
drivers/scsi/qla2xxx/qla_gbl.h | 6
drivers/scsi/qla2xxx/qla_init.c | 584 --------------------------------------
drivers/scsi/qla2xxx/qla_inline.h | 17 -
drivers/scsi/qla2xxx/qla_iocb.c | 13
drivers/scsi/qla2xxx/qla_isr.c | 36 --
drivers/scsi/qla2xxx/qla_mbx.c | 5
drivers/scsi/qla2xxx/qla_os.c | 98 ------
9 files changed, 21 insertions(+), 812 deletions(-)

diff -Nru a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
--- a/drivers/scsi/qla2xxx/qla_dbg.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_dbg.c 2005-02-04 10:27:05 -08:00
@@ -1067,11 +1067,6 @@
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)
diff -Nru a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
--- a/drivers/scsi/qla2xxx/qla_def.h 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_def.h 2005-02-04 10:27:05 -08:00
@@ -253,8 +253,6 @@

/* 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 */
@@ -1606,7 +1604,6 @@
* 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;
@@ -1626,48 +1623,6 @@
#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 +1641,6 @@
*/
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 */

@@ -1717,7 +1670,6 @@
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;

@@ -1765,25 +1717,6 @@
#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
*
* NOTE: All structures are big-endian in form.
@@ -2400,8 +2333,6 @@
#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)

diff -Nru a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
--- a/drivers/scsi/qla2xxx/qla_gbl.h 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_gbl.h 2005-02-04 10:27:05 -08:00
@@ -81,12 +81,6 @@

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 *);

diff -Nru a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
--- a/drivers/scsi/qla2xxx/qla_init.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_init.c 2005-02-04 10:27:05 -08:00
@@ -49,15 +49,6 @@
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 *);
@@ -65,14 +56,9 @@
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);
static void qla2x00_reg_remote_port(scsi_qla_host_t *, fc_port_t *);

/****************************************************************************/
@@ -1574,7 +1560,6 @@
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);
}
@@ -1909,8 +1894,11 @@
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->tgt_queue->fcport;
+ if (sfcp == fcport) {
atomic_set(&fcport->state, FCS_ONLINE);
spin_unlock_irqrestore(
&ha->hardware_lock, flags);
@@ -1926,7 +1914,6 @@
fcport->port_type == FCT_BROADCAST) {
fcport->device_type = TYPE_PROCESSOR;
} else {
- qla2x00_lun_discovery(ha, fcport);
}
atomic_set(&fcport->state, FCS_ONLINE);
qla2x00_reg_remote_port(ha, fcport);
@@ -1956,412 +1943,6 @@
qla_printk(KERN_WARNING, ha,
"Unable to allocate fc remote port!\n");
}
-/*
- * 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
@@ -3209,7 +2790,6 @@
}
}

-
/*
* qla2x00_config_os
* Setup OS target and LUN structures.
@@ -3224,7 +2804,6 @@
qla2x00_config_os(scsi_qla_host_t *ha)
{
fc_port_t *fcport;
- fc_lun_t *fclun;
os_tgt_t *tq;
uint16_t tgt;

@@ -3252,11 +2831,6 @@
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);
- }
}
}

@@ -3363,54 +2937,6 @@
}

/*
- * 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.
*
@@ -3477,8 +3003,6 @@
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.
*/
@@ -3492,106 +3016,8 @@
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;
}

/*
@@ -3641,8 +3067,6 @@
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;
diff -Nru a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
--- a/drivers/scsi/qla2xxx/qla_inline.h 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_inline.h 2005-02-04 10:27:05 -08:00
@@ -187,23 +187,6 @@
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
diff -Nru a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
--- a/drivers/scsi/qla2xxx/qla_iocb.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_iocb.c 2005-02-04 10:27:05 -08:00
@@ -328,7 +328,6 @@
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 @@

/* 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 @@
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->tgt_queue->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 @@

ha->actthreads++;
ha->total_ios++;
- sp->lun_queue->out_cnt++;
sp->flags |= SRB_DMA_VALID;
sp->state = SRB_ACTIVE_STATE;
sp->u_start = jiffies;
diff -Nru a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
--- a/drivers/scsi/qla2xxx/qla_isr.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_isr.c 2005-02-04 10:27:05 -08:00
@@ -697,7 +697,6 @@

if (ha->actthreads)
ha->actthreads--;
- sp->lun_queue->out_cnt--;
CMD_COMPL_STATUS(sp->cmd) = 0L;
CMD_SCSI_STATUS(sp->cmd) = 0L;

@@ -818,10 +817,8 @@
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;
@@ -872,21 +869,6 @@
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;
@@ -902,7 +884,6 @@
l = cp->device->lun,

tq = sp->tgt_queue;
- lq = sp->lun_queue;

/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
@@ -1096,7 +1077,7 @@
* Target with DID_NO_CONNECT ELSE Queue the IOs in the
* retry_queue.
*/
- fcport = sp->fclun->fcport;
+ fcport = tq->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 +1118,7 @@

cp->result = DID_BUS_BUSY << 16;

- fcport = lq->fclun->fcport;
-
+ fcport = tq->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 +1134,6 @@

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 +1238,6 @@
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 |
diff -Nru a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
--- a/drivers/scsi/qla2xxx/qla_mbx.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_mbx.c 2005-02-04 10:27:05 -08:00
@@ -858,8 +858,7 @@

DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no);)

- fcport = sp->fclun->fcport;
-
+ fcport = sp->tgt_queue->fcport;
if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
return 1;
@@ -884,7 +883,7 @@
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;
diff -Nru a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
--- a/drivers/scsi/qla2xxx/qla_os.c 2005-02-04 10:27:05 -08:00
+++ b/drivers/scsi/qla2xxx/qla_os.c 2005-02-04 10:27:05 -08:00
@@ -334,12 +334,10 @@
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;
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;
}
@@ -363,11 +361,6 @@
sp->ha = ha;
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;

@@ -681,7 +674,6 @@
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;
srb_t *sp;
int ret;
unsigned int id, lun;
@@ -694,8 +686,7 @@
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,
@@ -830,7 +821,6 @@
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;
srb_t *sp;
int ret;
unsigned int id, lun;
@@ -843,8 +833,7 @@
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,
@@ -899,7 +888,6 @@
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;
srb_t *sp;
int ret;
unsigned int id, lun;
@@ -912,8 +900,7 @@
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,
@@ -1583,9 +1570,8 @@
{
struct info_str info;
int retval = -EINVAL;
- os_lun_t *up;
os_tgt_t *tq;
- unsigned int t, l;
+ unsigned int t;
uint32_t tmp_sn;
uint32_t *flags;
uint8_t *loop_state;
@@ -1754,64 +1740,6 @@
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
@@ -2204,8 +2132,6 @@
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) {
@@ -2297,14 +2223,6 @@
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);
@@ -2715,11 +2633,13 @@
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->tgt_queue->fcport;
+ if (!(sfcp->flags & FCF_TAPE_PRESENT))
continue;

set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);