/*
- * QLOGIC LINUX SOFTWARE
- *
- * QLogic ISP2x00 device driver for Linux 2.6.x
- * Copyright (C) 2003-2004 QLogic Corporation
- * (www.qlogic.com)
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2005 QLogic Corporation
*
+ * See LICENSE.qla2xxx for copyright and licensing details.
*/
-
-#include "qla_os.h"
-
#include "qla_def.h"
+#include <scsi/scsi_tcq.h>
+
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
-static void qla2x00_async_event(scsi_qla_host_t *, uint32_t);
+static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
-void qla2x00_process_response_queue(struct scsi_qla_host *);
-static void qla2x00_status_entry(scsi_qla_host_t *, sts_entry_t *);
+static void qla2x00_status_entry(scsi_qla_host_t *, void *);
static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *);
static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *);
-static int qla2x00_check_sense(struct scsi_cmnd *cp, os_lun_t *);
+static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *);
/**
- * qla2x00_intr_handler() - Process interrupts for the ISP.
+ * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
* @irq:
* @dev_id: SCSI driver HA context
- * @regs:
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
-qla2x00_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
+qla2100_intr_handler(int irq, void *dev_id)
{
scsi_qla_host_t *ha;
- device_reg_t *reg;
- uint32_t mbx;
- int status = 0;
- unsigned long flags = 0;
- unsigned long mbx_flags = 0;
- unsigned long intr_iter;
- uint32_t stat;
- uint16_t hccr;
-
- /* Don't loop forever, interrupt are OFF */
- intr_iter = 50;
+ struct device_reg_2xxx __iomem *reg;
+ int status;
+ unsigned long flags;
+ unsigned long iter;
+ uint16_t mb[4];
ha = (scsi_qla_host_t *) dev_id;
if (!ha) {
return (IRQ_NONE);
}
- reg = ha->iobase;
+ reg = &ha->iobase->isp;
+ status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
-
- for (;;) {
- /* Relax CPU! */
- if (!(intr_iter--))
+ for (iter = 50; iter--; ) {
+ if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
break;
- if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
- if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
- break;
+ if (RD_REG_WORD(®->semaphore) & BIT_0) {
+ WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
+ RD_REG_WORD(®->hccr);
- if (RD_REG_WORD(®->semaphore) & BIT_0) {
- WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
- RD_REG_WORD(®->hccr);
-
- /* Get mailbox data. */
- mbx = RD_MAILBOX_REG(ha, reg, 0);
- if (mbx > 0x3fff && mbx < 0x8000) {
- qla2x00_mbx_completion(ha,
- (uint16_t)mbx);
- status |= MBX_INTERRUPT;
- } else if (mbx > 0x7fff && mbx < 0xc000) {
- qla2x00_async_event(ha, mbx);
- } else {
- /*EMPTY*/
- DEBUG2(printk("scsi(%ld): Unrecognized "
- "interrupt type (%d)\n",
- ha->host_no, mbx));
- }
- /* Release mailbox registers. */
- WRT_REG_WORD(®->semaphore, 0);
- /* Workaround for ISP2100 chip. */
- if (IS_QLA2100(ha))
- RD_REG_WORD(®->semaphore);
+ /* Get mailbox data. */
+ mb[0] = RD_MAILBOX_REG(ha, reg, 0);
+ if (mb[0] > 0x3fff && mb[0] < 0x8000) {
+ qla2x00_mbx_completion(ha, mb[0]);
+ status |= MBX_INTERRUPT;
+ } else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
+ mb[1] = RD_MAILBOX_REG(ha, reg, 1);
+ mb[2] = RD_MAILBOX_REG(ha, reg, 2);
+ mb[3] = RD_MAILBOX_REG(ha, reg, 3);
+ qla2x00_async_event(ha, mb);
} else {
- qla2x00_process_response_queue(ha);
-
- WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
- RD_REG_WORD(®->hccr);
+ /*EMPTY*/
+ DEBUG2(printk("scsi(%ld): Unrecognized "
+ "interrupt type (%d).\n",
+ ha->host_no, mb[0]));
}
- } else /* IS_QLA23XX(ha) */ {
- stat = RD_REG_DWORD(®->u.isp2300.host_status);
- if ((stat & HSR_RISC_INT) == 0)
- break;
-
- mbx = MSW(stat);
- switch (stat & 0xff) {
- case 0x13:
- qla2x00_process_response_queue(ha);
- break;
- case 0x1:
- case 0x2:
- case 0x10:
- case 0x11:
- qla2x00_mbx_completion(ha, (uint16_t)mbx);
- status |= MBX_INTERRUPT;
+ /* Release mailbox registers. */
+ WRT_REG_WORD(®->semaphore, 0);
+ RD_REG_WORD(®->semaphore);
+ } else {
+ qla2x00_process_response_queue(ha);
- /* Release mailbox registers. */
- WRT_REG_WORD(®->semaphore, 0);
- break;
- case 0x12:
- qla2x00_async_event(ha, mbx);
- break;
- case 0x15:
- mbx = mbx << 16 | MBA_CMPLT_1_16BIT;
- qla2x00_async_event(ha, mbx);
- break;
- case 0x16:
- mbx = mbx << 16 | MBA_SCSI_COMPLETION;
- qla2x00_async_event(ha, mbx);
- break;
- default:
- hccr = RD_REG_WORD(®->hccr);
- if (hccr & HCCR_RISC_PAUSE) {
- qla_printk(KERN_INFO, ha,
- "RISC paused, dumping HCCR=%x\n",
- hccr);
-
- /*
- * Issue a "HARD" reset in order for
- * the RISC interrupt bit to be
- * cleared. Schedule a big hammmer to
- * get out of the RISC PAUSED state.
- */
- WRT_REG_WORD(®->hccr,
- HCCR_RESET_RISC);
- RD_REG_WORD(®->hccr);
- set_bit(ISP_ABORT_NEEDED,
- &ha->dpc_flags);
- break;
- } else {
- DEBUG2(printk("scsi(%ld): Unrecognized "
- "interrupt type (%d)\n",
- ha->host_no, stat & 0xff));
- }
- break;
- }
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
}
-
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- qla2x00_next(ha);
- ha->last_irq_cpu = smp_processor_id();
- ha->total_isr_cnt++;
-
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ spin_lock_irqsave(&ha->mbx_reg_lock, flags);
- /* There was a mailbox completion */
- DEBUG3(printk("%s(%ld): Going to get mbx reg lock.\n",
- __func__, ha->host_no));
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ up(&ha->mbx_intr_sem);
- spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
+ spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
+ }
- if (ha->mcp == NULL) {
- DEBUG3(printk("%s(%ld): Error mbx pointer.\n",
- __func__, ha->host_no));
- } else {
- DEBUG3(printk("%s(%ld): Going to set mbx intr flags. "
- "cmd=%x.\n",
- __func__, ha->host_no, ha->mcp->mb[0]));
- }
- set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ return (IRQ_HANDLED);
+}
- DEBUG3(printk("%s(%ld): Going to wake up mbx function for "
- "completion.\n",
- __func__, ha->host_no));
+/**
+ * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
+ * @irq:
+ * @dev_id: SCSI driver HA context
+ *
+ * Called by system whenever the host adapter generates an interrupt.
+ *
+ * Returns handled flag.
+ */
+irqreturn_t
+qla2300_intr_handler(int irq, void *dev_id)
+{
+ scsi_qla_host_t *ha;
+ struct device_reg_2xxx __iomem *reg;
+ int status;
+ unsigned long flags;
+ unsigned long iter;
+ uint32_t stat;
+ uint16_t hccr;
+ uint16_t mb[4];
- up(&ha->mbx_intr_sem);
+ ha = (scsi_qla_host_t *) dev_id;
+ if (!ha) {
+ printk(KERN_INFO
+ "%s(): NULL host pointer\n", __func__);
+ return (IRQ_NONE);
+ }
- DEBUG3(printk("%s(%ld): Going to release mbx reg lock.\n",
- __func__, ha->host_no));
+ reg = &ha->iobase->isp;
+ status = 0;
- spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (iter = 50; iter--; ) {
+ stat = RD_REG_DWORD(®->u.isp2300.host_status);
+ if (stat & HSR_RISC_PAUSED) {
+ hccr = RD_REG_WORD(®->hccr);
+ if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
+ qla_printk(KERN_INFO, ha, "Parity error -- "
+ "HCCR=%x, Dumping firmware!\n", hccr);
+ else
+ qla_printk(KERN_INFO, ha, "RISC paused -- "
+ "HCCR=%x, Dumping firmware!\n", hccr);
+
+ /*
+ * Issue a "HARD" reset in order for the RISC
+ * interrupt bit to be cleared. Schedule a big
+ * hammmer to get out of the RISC PAUSED state.
+ */
+ WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
+ RD_REG_WORD(®->hccr);
+
+ ha->isp_ops.fw_dump(ha, 1);
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ break;
+ } else if ((stat & HSR_RISC_INT) == 0)
+ break;
+
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla2x00_mbx_completion(ha, MSW(stat));
+ status |= MBX_INTERRUPT;
+
+ /* Release mailbox registers. */
+ WRT_REG_WORD(®->semaphore, 0);
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_MAILBOX_REG(ha, reg, 1);
+ mb[2] = RD_MAILBOX_REG(ha, reg, 2);
+ mb[3] = RD_MAILBOX_REG(ha, reg, 3);
+ qla2x00_async_event(ha, mb);
+ break;
+ case 0x13:
+ qla2x00_process_response_queue(ha);
+ break;
+ case 0x15:
+ mb[0] = MBA_CMPLT_1_16BIT;
+ mb[1] = MSW(stat);
+ qla2x00_async_event(ha, mb);
+ break;
+ case 0x16:
+ mb[0] = MBA_SCSI_COMPLETION;
+ mb[1] = MSW(stat);
+ mb[2] = RD_MAILBOX_REG(ha, reg, 2);
+ qla2x00_async_event(ha, mb);
+ break;
+ default:
+ DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
+ "(%d).\n",
+ ha->host_no, stat & 0xff));
+ break;
+ }
+ WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
+ RD_REG_WORD_RELAXED(®->hccr);
}
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if (!list_empty(&ha->done_queue))
- qla2x00_done(ha);
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+ (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ spin_lock_irqsave(&ha->mbx_reg_lock, flags);
- /* Wakeup the DPC routine */
- if ((!ha->flags.mbox_busy &&
- (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
- test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
- test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))) &&
- ha->dpc_wait && !ha->dpc_active) {
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ up(&ha->mbx_intr_sem);
- up(ha->dpc_wait);
+ spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
}
return (IRQ_HANDLED);
qla2x00_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
{
uint16_t cnt;
- uint16_t *wptr;
- device_reg_t *reg = ha->iobase;
+ uint16_t __iomem *wptr;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
/* Load return mailbox registers. */
- ha->flags.mbox_int = TRUE;
+ ha->flags.mbox_int = 1;
ha->mailbox_out[0] = mb0;
- wptr = (uint16_t *)MAILBOX_REG(ha, reg, 1);
+ wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
for (cnt = 1; cnt < ha->mbx_count; cnt++) {
- if (IS_QLA2200(ha) && cnt == 8)
- wptr = (uint16_t *)MAILBOX_REG(ha, reg, 8);
+ if (IS_QLA2200(ha) && cnt == 8)
+ wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
if (cnt == 4 || cnt == 5)
ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
else
ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
-
+
wptr++;
}
/**
* qla2x00_async_event() - Process aynchronous events.
* @ha: SCSI driver HA context
- * @mb0: Mailbox0 register
+ * @mb: Mailbox registers (0 - 3)
*/
static void
-qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx)
+qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
{
- static char *link_speeds[5] = { "1", "2", "4", "?", "10" };
+#define LS_UNKNOWN 2
+ static char *link_speeds[5] = { "1", "2", "?", "4", "10" };
char *link_speed;
- uint16_t mb[4];
uint16_t handle_cnt;
uint16_t cnt;
uint32_t handles[5];
- device_reg_t *reg = ha->iobase;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
uint32_t rscn_entry, host_pid;
uint8_t rscn_queue_index;
/* Setup to process RIO completion. */
handle_cnt = 0;
- mb[0] = LSW(mbx);
switch (mb[0]) {
case MBA_SCSI_COMPLETION:
- if (IS_QLA2100(ha) || IS_QLA2200(ha))
- handles[0] = le32_to_cpu(
- ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
- RD_MAILBOX_REG(ha, reg, 1));
- else
- handles[0] = le32_to_cpu(
- ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
- MSW(mbx));
+ handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
handle_cnt = 1;
break;
case MBA_CMPLT_1_16BIT:
- if (IS_QLA2100(ha) || IS_QLA2200(ha))
- handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
- else
- handles[0] = MSW(mbx);
+ handles[0] = mb[1];
handle_cnt = 1;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_16BIT:
- handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
- handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
+ handles[0] = mb[1];
+ handles[1] = mb[2];
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_3_16BIT:
- handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
- handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
- handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
+ handles[0] = mb[1];
+ handles[1] = mb[2];
+ handles[2] = mb[3];
handle_cnt = 3;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_4_16BIT:
- handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
- handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
- handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
+ handles[0] = mb[1];
+ handles[1] = mb[2];
+ handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handle_cnt = 4;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_5_16BIT:
- handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
- handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
- handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
+ handles[0] = mb[1];
+ handles[1] = mb[2];
+ handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
handle_cnt = 5;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_32BIT:
- handles[0] = le32_to_cpu(
- ((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
- RD_MAILBOX_REG(ha, reg, 1));
+ handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
handles[1] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
RD_MAILBOX_REG(ha, reg, 6));
break;
}
- mb[0] = LSW(mbx);
switch (mb[0]) {
case MBA_SCSI_COMPLETION: /* Fast Post */
if (!ha->flags.online)
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
mb[1], mb[2], mb[3]);
- if (IS_QLA2100(ha) || IS_QLA2200(ha))
- qla2100_fw_dump(ha, 1);
- else
- qla2300_fw_dump(ha, 1);
- set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ ha->isp_ops.fw_dump(ha, 1);
+
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ if (mb[1] == 0 && mb[2] == 0) {
+ qla_printk(KERN_ERR, ha,
+ "Unrecoverable Hardware Error: adapter "
+ "marked OFFLINE!\n");
+ ha->flags.online = 0;
+ } else
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ } else if (mb[1] == 0) {
+ qla_printk(KERN_INFO, ha,
+ "Unrecoverable Hardware Error: adapter marked "
+ "OFFLINE!\n");
+ ha->flags.online = 0;
+ } else
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
-
DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no,
mb[1]));
qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
ha->flags.management_server_logged_in = 0;
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_LIP_OCCURRED, NULL);
-
- ha->total_lip_cnt++;
break;
case MBA_LOOP_UP: /* Loop Up Event */
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
-
- ha->link_data_rate = 0;
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
link_speed = link_speeds[0];
+ ha->link_data_rate = PORT_SPEED_1GB;
} else {
- link_speed = link_speeds[3];
+ link_speed = link_speeds[LS_UNKNOWN];
if (mb[1] < 5)
link_speed = link_speeds[mb[1]];
ha->link_data_rate = mb[1];
link_speed);
ha->flags.management_server_logged_in = 0;
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_LOOP_UP, NULL);
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
- DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN.\n",
- ha->host_no));
- qla_printk(KERN_INFO, ha, "LOOP DOWN detected.\n");
+ DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n",
+ ha->host_no, mb[1]));
+ qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
ha->device_flags |= DFLG_NO_CABLE;
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
}
ha->flags.management_server_logged_in = 0;
- ha->link_data_rate = 0;
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_LOOP_DOWN, NULL);
+ ha->link_data_rate = PORT_SPEED_UNKNOWN;
+ if (ql2xfdmienable)
+ set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
break;
case MBA_LIP_RESET: /* LIP reset occurred */
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
-
DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
ha->host_no, mb[1]));
qla_printk(KERN_INFO, ha,
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
ha->operating_mode = LOOP;
ha->flags.management_server_logged_in = 0;
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_LIP_RESET, NULL);
-
- ha->total_lip_cnt++;
break;
case MBA_POINT_TO_POINT: /* Point-to-Point */
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
}
if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
+
+ ha->flags.gpsc_supported = 1;
break;
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
if (IS_QLA2100(ha))
break;
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
-
DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
"received.\n",
ha->host_no));
"Configuration change detected: value=%x.\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
- atomic_set(&ha->loop_state, LOOP_DOWN);
+ atomic_set(&ha->loop_state, LOOP_DOWN);
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
break;
case MBA_PORT_UPDATE: /* Port database update */
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
- mb[2] = RD_MAILBOX_REG(ha, reg, 2);
-
- /*
- * If a single remote port just logged into (or logged out of)
- * us, create a new entry in our rscn fcports list and handle
- * the event like an RSCN.
- */
- if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
- !IS_QLA6322(ha) && ha->flags.init_done && mb[1] != 0xffff &&
- ((ha->operating_mode == P2P && mb[1] != 0) ||
- (ha->operating_mode != P2P && mb[1] !=
- SNS_FIRST_LOOP_ID)) && (mb[2] == 6 || mb[2] == 7)) {
- int rval;
- fc_port_t *rscn_fcport;
-
- /* Create new fcport for login. */
- rscn_fcport = qla2x00_alloc_rscn_fcport(ha, GFP_ATOMIC);
- if (rscn_fcport) {
- DEBUG14(printk("scsi(%ld): Port Update -- "
- "creating RSCN fcport %p for login.\n",
- ha->host_no, rscn_fcport));
-
- rscn_fcport->loop_id = mb[1];
- rscn_fcport->d_id.b24 = INVALID_PORT_ID;
- atomic_set(&rscn_fcport->state,
- FCS_DEVICE_LOST);
- list_add_tail(&rscn_fcport->list,
- &ha->rscn_fcports);
-
- rval = qla2x00_handle_port_rscn(ha, 0,
- rscn_fcport, 1);
- if (rval == QLA_SUCCESS)
- break;
- } else {
- DEBUG14(printk("scsi(%ld): Port Update -- "
- "-- unable to allocate RSCN fcport "
- "login.\n", ha->host_no));
- }
- }
-
/*
* If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
* event etc. earlier indicating loop is down) then process
* it. Otherwise ignore it and Wait for RSCN to come in.
*/
- if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
+ atomic_set(&ha->loop_down_timer, 0);
+ if (atomic_read(&ha->loop_state) != LOOP_DOWN &&
+ atomic_read(&ha->loop_state) != LOOP_DEAD) {
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
- "ignored.\n", ha->host_no));
+ "ignored %04x/%04x/%04x.\n", ha->host_no, mb[1],
+ mb[2], mb[3]));
break;
}
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
- "scsi(%ld): Port database changed %04x %04x.\n",
- ha->host_no, mb[1], mb[2]));
+ "scsi(%ld): Port database changed %04x %04x %04x.\n",
+ ha->host_no, mb[1], mb[2], mb[3]));
/*
* Mark all devices as missing so we will login again.
*/
atomic_set(&ha->loop_state, LOOP_UP);
- atomic_set(&ha->loop_down_timer, 0);
- qla2x00_mark_all_devices_lost(ha);
+ qla2x00_mark_all_devices_lost(ha, 1);
ha->flags.rscn_queue_overflow = 1;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_PORT_UPDATE, NULL);
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
- mb[1] = RD_MAILBOX_REG(ha, reg, 1);
- mb[2] = RD_MAILBOX_REG(ha, reg, 2);
-
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
-
- /* Update AEN queue. */
- qla2x00_enqueue_aen(ha, MBA_RSCN_UPDATE, &mb[0]);
break;
/* case MBA_RIO_RESPONSE: */
"scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
- qla2x00_process_response_queue(ha);
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+ qla24xx_process_response_queue(ha);
+ else
+ qla2x00_process_response_queue(ha);
+ break;
+
+ case MBA_DISCARD_RND_FRAME:
+ DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
+ "%04x.\n", ha->host_no, mb[1], mb[2], mb[3]));
+ break;
+
+ case MBA_TRACE_NOTIFICATION:
+ DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
+ ha->host_no, mb[1], mb[2]));
break;
}
}
+static void
+qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data)
+{
+ fc_port_t *fcport = data;
+
+ if (fcport->ha->max_q_depth <= sdev->queue_depth)
+ return;
+
+ if (sdev->ordered_tags)
+ scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
+ sdev->queue_depth + 1);
+ else
+ scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
+ sdev->queue_depth + 1);
+
+ fcport->last_ramp_up = jiffies;
+
+ DEBUG2(qla_printk(KERN_INFO, fcport->ha,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
+ fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
+static void
+qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data)
+{
+ fc_port_t *fcport = data;
+
+ if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1))
+ return;
+
+ DEBUG2(qla_printk(KERN_INFO, fcport->ha,
+ "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
+ fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun,
+ sdev->queue_depth));
+}
+
+static inline void
+qla2x00_ramp_up_queue_depth(scsi_qla_host_t *ha, srb_t *sp)
+{
+ fc_port_t *fcport;
+ struct scsi_device *sdev;
+
+ sdev = sp->cmd->device;
+ if (sdev->queue_depth >= ha->max_q_depth)
+ return;
+
+ fcport = sp->fcport;
+ if (time_before(jiffies,
+ fcport->last_ramp_up + ql2xqfullrampup * HZ))
+ return;
+ if (time_before(jiffies,
+ fcport->last_queue_full + ql2xqfullrampup * HZ))
+ return;
+
+ spin_unlock_irq(&ha->hardware_lock);
+ starget_for_each_device(sdev->sdev_target, fcport,
+ qla2x00_adjust_sdev_qdepth_up);
+ spin_lock_irq(&ha->hardware_lock);
+}
+
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
* @ha: SCSI driver HA context
sp = ha->outstanding_cmds[index];
if (sp) {
/* Free outstanding command slot. */
- ha->outstanding_cmds[index] = 0;
+ ha->outstanding_cmds[index] = NULL;
- if (ha->actthreads)
- ha->actthreads--;
- sp->lun_queue->out_cnt--;
CMD_COMPL_STATUS(sp->cmd) = 0L;
CMD_SCSI_STATUS(sp->cmd) = 0L;
/* Save ISP completion status */
sp->cmd->result = DID_OK << 16;
- sp->fo_retry_cnt = 0;
- add_to_done_queue(ha, sp);
+
+ qla2x00_ramp_up_queue_depth(ha, sp);
+ qla2x00_sp_compl(ha, sp);
} else {
DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n",
ha->host_no));
void
qla2x00_process_response_queue(struct scsi_qla_host *ha)
{
- device_reg_t *reg = ha->iobase;
+ struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
sts_entry_t *pkt;
uint16_t handle_cnt;
uint16_t cnt;
case MS_IOCB_TYPE:
qla2x00_ms_entry(ha, (ms_iocb_entry_t *)pkt);
break;
- case MBX_IOCB_TYPE:
- if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
- !IS_QLA6312(ha) && !IS_QLA6322(ha)) {
- if (pkt->sys_define == SOURCE_ASYNC_IOCB) {
- qla2x00_process_iodesc(ha,
- (struct mbx_entry *)pkt);
- } else {
- /* MBX IOCB Type Not Supported. */
- DEBUG4(printk(KERN_WARNING
- "scsi(%ld): Received unknown MBX "
- "IOCB response pkt type=%x "
- "source=%x entry status=%x.\n",
- ha->host_no, pkt->entry_type,
- pkt->sys_define,
- pkt->entry_status));
- }
- break;
- }
- /* Fallthrough. */
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
* @pkt: Entry pointer
*/
static void
-qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
+qla2x00_status_entry(scsi_qla_host_t *ha, void *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;
+ sts_entry_t *sts;
+ struct sts_entry_24xx *sts24;
uint16_t comp_status;
uint16_t scsi_status;
uint8_t lscsi_status;
- uint32_t resid;
- uint8_t sense_sz = 0;
- uint16_t rsp_info_len;
+ int32_t resid;
+ uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len;
+ uint8_t *rsp_info, *sense_data;
+
+ sts = (sts_entry_t *) pkt;
+ sts24 = (struct sts_entry_24xx *) pkt;
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ comp_status = le16_to_cpu(sts24->comp_status);
+ scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
+ } else {
+ comp_status = le16_to_cpu(sts->comp_status);
+ scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
+ }
/* Fast path completion. */
- if (le16_to_cpu(pkt->comp_status) == CS_COMPLETE &&
- (le16_to_cpu(pkt->scsi_status) & SS_MASK) == 0) {
- qla2x00_process_completed_request(ha, pkt->handle);
+ if (comp_status == CS_COMPLETE && scsi_status == 0) {
+ qla2x00_process_completed_request(ha, sts->handle);
return;
}
/* Validate handle. */
- if (pkt->handle < MAX_OUTSTANDING_COMMANDS) {
- sp = ha->outstanding_cmds[pkt->handle];
- ha->outstanding_cmds[pkt->handle] = 0;
+ if (sts->handle < MAX_OUTSTANDING_COMMANDS) {
+ sp = ha->outstanding_cmds[sts->handle];
+ ha->outstanding_cmds[sts->handle] = NULL;
} else
sp = NULL;
qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
- if (ha->dpc_wait && !ha->dpc_active)
- up(ha->dpc_wait);
-
+ qla2xxx_wake_dpc(ha);
return;
}
cp = sp->cmd;
if (cp == NULL) {
DEBUG2(printk("scsi(%ld): Command already returned back to OS "
- "pkt->handle=%d sp=%p sp->state:%d\n",
- ha->host_no, pkt->handle, sp, sp->state));
+ "pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp));
qla_printk(KERN_WARNING, ha,
"Command is NULL: already returned to OS (sp=%p)\n", sp);
return;
}
- 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;
- lscsi_status = scsi_status & STATUS_MASK;
-
- CMD_ENTRY_STATUS(cp) = pkt->entry_status;
+ lscsi_status = scsi_status & STATUS_MASK;
+ CMD_ENTRY_STATUS(cp) = sts->entry_status;
CMD_COMPL_STATUS(cp) = comp_status;
CMD_SCSI_STATUS(cp) = scsi_status;
- /* Generate LU queue on cntrl, target, LUN */
- b = cp->device->channel;
- t = cp->device->id;
- l = cp->device->lun,
-
- tq = sp->tgt_queue;
- lq = sp->lun_queue;
-
- /*
- * If loop is in transient state Report DID_BUS_BUSY
- */
- if ((comp_status != CS_COMPLETE || scsi_status != 0)) {
- if (!(sp->flags & SRB_IOCTL) &&
- (atomic_read(&ha->loop_down_timer) ||
- atomic_read(&ha->loop_state) != LOOP_READY)) {
-
- DEBUG2(printk("scsi(%ld:%d:%d:%d): Loop Not Ready - "
- "pid=%lx.\n",
- ha->host_no, b, t, l, cp->serial_number));
-
- qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
- add_to_retry_queue(ha, sp);
- return;
- }
+ fcport = sp->fcport;
+
+ sense_len = rsp_info_len = resid_len = fw_resid_len = 0;
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ sense_len = le32_to_cpu(sts24->sense_len);
+ rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
+ resid_len = le32_to_cpu(sts24->rsp_residual_count);
+ fw_resid_len = le32_to_cpu(sts24->residual_len);
+ rsp_info = sts24->data;
+ sense_data = sts24->data;
+ host_to_fcp_swap(sts24->data, sizeof(sts24->data));
+ } else {
+ sense_len = le16_to_cpu(sts->req_sense_length);
+ rsp_info_len = le16_to_cpu(sts->rsp_info_len);
+ resid_len = le32_to_cpu(sts->residual_length);
+ rsp_info = sts->rsp_info;
+ sense_data = sts->req_sense_data;
}
/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
- rsp_info_len = le16_to_cpu(pkt->rsp_info_len);
- if (rsp_info_len > 3 && pkt->rsp_info[3]) {
+ /* Sense data lies beyond any FCP RESPONSE data. */
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+ sense_data += rsp_info_len;
+ if (rsp_info_len > 3 && rsp_info[3]) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
"failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
- "retrying command\n", ha->host_no, b, t, l,
- rsp_info_len, pkt->rsp_info[0], pkt->rsp_info[1],
- pkt->rsp_info[2], pkt->rsp_info[3],
- pkt->rsp_info[4], pkt->rsp_info[5],
- pkt->rsp_info[6], pkt->rsp_info[7]));
+ "retrying command\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, rsp_info_len, rsp_info[0],
+ rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4],
+ rsp_info[5], rsp_info[6], rsp_info[7]));
cp->result = DID_BUS_BUSY << 16;
- add_to_done_queue(ha, sp);
+ qla2x00_sp_compl(ha, sp);
return;
}
}
*/
switch (comp_status) {
case CS_COMPLETE:
+ case CS_QUEUE_FULL:
if (scsi_status == 0) {
cp->result = DID_OK << 16;
break;
}
- if (lscsi_status == SS_BUSY_CONDITION) {
- cp->result = DID_BUS_BUSY << 16 | lscsi_status;
- break;
- }
+ if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
+ resid = resid_len;
+ cp->resid = resid;
+ CMD_RESID_LEN(cp) = resid;
+
+ if (!lscsi_status &&
+ ((unsigned)(cp->request_bufflen - resid) <
+ cp->underflow)) {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+ "detected (%x of %x bytes)...returning "
+ "error status.\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid,
+ cp->request_bufflen);
+ cp->result = DID_ERROR << 16;
+ break;
+ }
+ }
cp->result = DID_OK << 16 | lscsi_status;
+ if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld): QUEUE FULL status detected "
+ "0x%x-0x%x.\n", ha->host_no, comp_status,
+ scsi_status));
+
+ /* Adjust queue depth for all luns on the port. */
+ fcport->last_queue_full = jiffies;
+ spin_unlock_irq(&ha->hardware_lock);
+ starget_for_each_device(cp->device->sdev_target,
+ fcport, qla2x00_adjust_sdev_qdepth_down);
+ spin_lock_irq(&ha->hardware_lock);
+ break;
+ }
if (lscsi_status != SS_CHECK_CONDITION)
break;
- /*
- * Copy Sense Data into sense buffer
- */
+ /* Copy Sense Data into sense buffer. */
memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
- if (le16_to_cpu(pkt->req_sense_length) <
- sizeof(cp->sense_buffer))
- sense_sz = le16_to_cpu(pkt->req_sense_length);
- else
- sense_sz = sizeof(cp->sense_buffer) - 1;
+ if (sense_len >= sizeof(cp->sense_buffer))
+ sense_len = sizeof(cp->sense_buffer);
- CMD_ACTUAL_SNSLEN(cp) = sense_sz;
- sp->request_sense_length = sense_sz;
+ CMD_ACTUAL_SNSLEN(cp) = sense_len;
+ sp->request_sense_length = sense_len;
sp->request_sense_ptr = cp->sense_buffer;
if (sp->request_sense_length > 32)
- sense_sz = 32;
+ sense_len = 32;
- memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz);
+ memcpy(cp->sense_buffer, sense_data, sense_len);
- sp->request_sense_ptr += sense_sz;
- sp->request_sense_length -= sense_sz;
+ sp->request_sense_ptr += sense_len;
+ sp->request_sense_length -= sense_len;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
- if (!(sp->flags & SRB_IOCTL) &&
- qla2x00_check_sense(cp, lq) == QLA_SUCCESS) {
- /* Throw away status_cont if any */
- ha->status_srb = NULL;
- add_to_scsi_retry_queue(ha, sp);
- return;
- }
-
DEBUG5(printk("%s(): Check condition Sense data, "
- "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
- __func__, ha->host_no, b, t, l, cp,
- cp->serial_number));
- if (sense_sz)
+ "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__,
+ ha->host_no, cp->device->channel, cp->device->id,
+ cp->device->lun, cp, cp->serial_number));
+ if (sense_len)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
break;
case CS_DATA_UNDERRUN:
- DEBUG2(printk(KERN_INFO
- "scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x.\n",
- ha->host_no, t, l, comp_status, scsi_status));
+ resid = resid_len;
+ /* Use F/W calculated residual length. */
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+ resid = fw_resid_len;
+
+ if (scsi_status & SS_RESIDUAL_UNDER) {
+ cp->resid = resid;
+ CMD_RESID_LEN(cp) = resid;
+ } else {
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld:%d:%d) UNDERRUN status detected "
+ "0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x "
+ "os_underflow=0x%x\n", ha->host_no,
+ cp->device->id, cp->device->lun, comp_status,
+ scsi_status, resid_len, resid, cp->cmnd[0],
+ cp->underflow));
- resid = le32_to_cpu(pkt->residual_length);
- CMD_RESID_LEN(cp) = resid;
+ }
/*
- * Check to see if SCSI Status is non zero. If so report SCSI
+ * Check to see if SCSI Status is non zero. If so report SCSI
* Status.
*/
if (lscsi_status != 0) {
- if (lscsi_status == SS_BUSY_CONDITION) {
- cp->result = DID_BUS_BUSY << 16 |
- lscsi_status;
- break;
- }
-
cp->result = DID_OK << 16 | lscsi_status;
if (lscsi_status != SS_CHECK_CONDITION)
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
- if (le16_to_cpu(pkt->req_sense_length) <
- sizeof(cp->sense_buffer))
- sense_sz = le16_to_cpu(pkt->req_sense_length);
- else
- sense_sz = sizeof(cp->sense_buffer) - 1;
+ if (sense_len >= sizeof(cp->sense_buffer))
+ sense_len = sizeof(cp->sense_buffer);
- CMD_ACTUAL_SNSLEN(cp) = sense_sz;
- sp->request_sense_length = sense_sz;
+ CMD_ACTUAL_SNSLEN(cp) = sense_len;
+ sp->request_sense_length = sense_len;
sp->request_sense_ptr = cp->sense_buffer;
- if (sp->request_sense_length > 32)
- sense_sz = 32;
+ if (sp->request_sense_length > 32)
+ sense_len = 32;
- memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz);
+ memcpy(cp->sense_buffer, sense_data, sense_len);
- sp->request_sense_ptr += sense_sz;
- sp->request_sense_length -= sense_sz;
+ sp->request_sense_ptr += sense_len;
+ sp->request_sense_length -= sense_len;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
- if (!(sp->flags & SRB_IOCTL) &&
- (qla2x00_check_sense(cp, lq) == QLA_SUCCESS)) {
- ha->status_srb = NULL;
- add_to_scsi_retry_queue(ha, sp);
- return;
- }
DEBUG5(printk("%s(): Check condition Sense data, "
"scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
- __func__, ha->host_no, b, t, l, cp,
+ __func__, ha->host_no, cp->device->channel,
+ cp->device->id, cp->device->lun, cp,
cp->serial_number));
- if (sense_sz)
+
+ if (sense_len)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
} else {
if (!(scsi_status & SS_RESIDUAL_UNDER)) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
"frame(s) detected (%x of %x bytes)..."
- "retrying command.\n",
- ha->host_no, b, t, l, resid,
+ "retrying command.\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid,
cp->request_bufflen));
cp->result = DID_BUS_BUSY << 16;
- ha->dropped_frame_error_cnt++;
break;
}
/* Handle mid-layer underflow */
- cp->resid = resid;
if ((unsigned)(cp->request_bufflen - resid) <
cp->underflow) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Mid-layer underflow "
"detected (%x of %x bytes)...returning "
- "error status.\n",
- ha->host_no, b, t, l, resid,
+ "error status.\n", ha->host_no,
+ cp->device->channel, cp->device->id,
+ cp->device->lun, resid,
cp->request_bufflen);
cp->result = DID_ERROR << 16;
case CS_DATA_OVERRUN:
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
- ha->host_no, t, l, comp_status, scsi_status));
+ ha->host_no, cp->device->id, cp->device->lun, comp_status,
+ scsi_status));
DEBUG2(printk(KERN_INFO
"CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
DEBUG2(printk(KERN_INFO
"PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
"status!\n",
- cp->serial_number, cp->request_bufflen,
- le32_to_cpu(pkt->residual_length)));
+ cp->serial_number, cp->request_bufflen, resid_len));
cp->result = DID_ERROR << 16;
break;
* 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,
+ ha->host_no, cp->device->id, cp->device->lun,
+ cp->serial_number, comp_status,
atomic_read(&fcport->state)));
- if ((sp->flags & SRB_IOCTL) ||
- atomic_read(&fcport->state) == FCS_DEVICE_DEAD) {
- cp->result = DID_NO_CONNECT << 16;
- if (atomic_read(&ha->loop_state) == LOOP_DOWN)
- sp->err_id = SRB_ERR_LOOP;
- else
- sp->err_id = SRB_ERR_PORT;
- add_to_done_queue(ha, sp);
- } else {
- qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
- add_to_retry_queue(ha, sp);
- }
-
+ cp->result = DID_BUS_BUSY << 16;
if (atomic_read(&fcport->state) == FCS_ONLINE) {
- qla2x00_mark_device_lost(ha, fcport, 1);
+ qla2x00_mark_device_lost(ha, fcport, 1, 1);
}
-
- return;
break;
case CS_RESET:
"scsi(%ld): RESET status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
- if (sp->flags & SRB_IOCTL) {
- cp->result = DID_RESET << 16;
- } else {
- qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
- add_to_retry_queue(ha, sp);
- return;
- }
+ cp->result = DID_RESET << 16;
break;
case CS_ABORTED:
- /*
+ /*
* hv2.19.12 - DID_ABORT does not retry the request if we
* aborted this request then abort otherwise it must be a
* reset.
break;
case CS_TIMEOUT:
- DEBUG2(printk(KERN_INFO
- "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x.\n",
- ha->host_no, b, t, l, comp_status, scsi_status));
-
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);
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
+ DEBUG2(printk(KERN_INFO
+ "scsi(%ld:%d:%d:%d): TIMEOUT status detected "
+ "0x%x-0x%x\n", ha->host_no, cp->device->channel,
+ cp->device->id, cp->device->lun, comp_status,
+ scsi_status));
+ break;
}
- break;
-
- case CS_QUEUE_FULL:
DEBUG2(printk(KERN_INFO
- "scsi(%ld): QUEUE FULL status detected 0x%x-0x%x.\n",
- ha->host_no, comp_status, scsi_status));
-
- /* SCSI Mid-Layer handles device queue full */
-
- 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);
- }
+ "scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
+ "sflags=%x.\n", ha->host_no, cp->device->channel,
+ cp->device->id, cp->device->lun, comp_status, scsi_status,
+ le16_to_cpu(sts->status_flags)));
+
+ /* Check to see if logout occurred. */
+ if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT))
+ qla2x00_mark_device_lost(ha, fcport, 1, 1);
break;
default:
DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
- "0x%x-0x%x.\n",
- ha->host_no, comp_status, scsi_status));
+ "0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status));
qla_printk(KERN_INFO, ha,
"Unknown status detected 0x%x-0x%x.\n",
comp_status, scsi_status);
/* Place command on done queue. */
if (ha->status_srb == NULL)
- add_to_done_queue(ha, sp);
+ qla2x00_sp_compl(ha, sp);
}
/**
cp = sp->cmd;
if (cp == NULL) {
DEBUG2(printk("%s(): Cmd already returned back to OS "
- "sp=%p sp->state:%d\n", __func__, sp, sp->state));
+ "sp=%p.\n", __func__, sp));
qla_printk(KERN_INFO, ha,
"cmd is NULL: already returned to OS (sp=%p)\n",
- sp);
+ sp);
ha->status_srb = NULL;
return;
}
/* Move sense data. */
+ if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
+ host_to_fcp_swap(pkt->data, sizeof(pkt->data));
memcpy(sp->request_sense_ptr, pkt->data, sense_sz);
DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz));
/* Place command on done queue. */
if (sp->request_sense_length == 0) {
- add_to_done_queue(ha, sp);
ha->status_srb = NULL;
+ qla2x00_sp_compl(ha, sp);
}
}
}
* @pkt: Entry pointer
*/
static void
-qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
+qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
{
srb_t *sp;
else if (pkt->entry_status & RF_INV_E_COUNT)
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__);
else if (pkt->entry_status & RF_INV_E_PARAM)
- qla_printk(KERN_ERR, ha,
+ qla_printk(KERN_ERR, ha,
"%s: Invalid Entry Parameter\n", __func__);
else if (pkt->entry_status & RF_INV_E_TYPE)
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__);
if (sp) {
/* Free outstanding command slot. */
- ha->outstanding_cmds[pkt->handle] = 0;
- if (ha->actthreads)
- ha->actthreads--;
- sp->lun_queue->out_cnt--;
+ ha->outstanding_cmds[pkt->handle] = NULL;
/* Bad payload or header */
if (pkt->entry_status &
} else {
sp->cmd->result = DID_ERROR << 16;
}
- /* Place command on done queue. */
- add_to_done_queue(ha, sp);
+ qla2x00_sp_compl(ha, sp);
- } else if (pkt->entry_type == COMMAND_A64_TYPE ||
- pkt->entry_type == COMMAND_TYPE) {
+ } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type ==
+ COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7) {
DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
ha->host_no));
qla_printk(KERN_WARNING, ha,
"Error entry - invalid handle\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
- if (ha->dpc_wait && !ha->dpc_active)
- up(ha->dpc_wait);
+ qla2xxx_wake_dpc(ha);
}
}
* @index: Response queue out pointer
*/
static void
-qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt)
+qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt)
{
srb_t *sp;
CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
/* Free outstanding command slot. */
- ha->outstanding_cmds[pkt->handle1] = 0;
+ ha->outstanding_cmds[pkt->handle1] = NULL;
+
+ qla2x00_sp_compl(ha, sp);
+}
+
+
+/**
+ * qla24xx_mbx_completion() - Process mailbox command completions.
+ * @ha: SCSI driver HA context
+ * @mb0: Mailbox0 register
+ */
+static void
+qla24xx_mbx_completion(scsi_qla_host_t *ha, uint16_t mb0)
+{
+ uint16_t cnt;
+ uint16_t __iomem *wptr;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+
+ /* Load return mailbox registers. */
+ ha->flags.mbox_int = 1;
+ ha->mailbox_out[0] = mb0;
+ wptr = (uint16_t __iomem *)®->mailbox1;
+
+ for (cnt = 1; cnt < ha->mbx_count; cnt++) {
+ ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
+ wptr++;
+ }
+
+ if (ha->mcp) {
+ DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
+ __func__, ha->host_no, ha->mcp->mb[0]));
+ } else {
+ DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
+ __func__, ha->host_no));
+ }
+}
+
+/**
+ * qla24xx_process_response_queue() - Process response queue entries.
+ * @ha: SCSI driver HA context
+ */
+void
+qla24xx_process_response_queue(struct scsi_qla_host *ha)
+{
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+ struct sts_entry_24xx *pkt;
+
+ if (!ha->flags.online)
+ return;
+
+ while (ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
+ pkt = (struct sts_entry_24xx *)ha->response_ring_ptr;
+
+ ha->rsp_ring_index++;
+ if (ha->rsp_ring_index == ha->response_q_length) {
+ ha->rsp_ring_index = 0;
+ ha->response_ring_ptr = ha->response_ring;
+ } else {
+ ha->response_ring_ptr++;
+ }
+
+ if (pkt->entry_status != 0) {
+ DEBUG3(printk(KERN_INFO
+ "scsi(%ld): Process error entry.\n", ha->host_no));
+
+ qla2x00_error_entry(ha, (sts_entry_t *) pkt);
+ ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
+ wmb();
+ continue;
+ }
+
+ switch (pkt->entry_type) {
+ case STATUS_TYPE:
+ qla2x00_status_entry(ha, pkt);
+ break;
+ case STATUS_CONT_TYPE:
+ qla2x00_status_cont_entry(ha, (sts_cont_entry_t *)pkt);
+ break;
+ case MS_IOCB_TYPE:
+ qla24xx_ms_entry(ha, (struct ct_entry_24xx *)pkt);
+ break;
+ default:
+ /* Type Not Supported. */
+ DEBUG4(printk(KERN_WARNING
+ "scsi(%ld): Received unknown response pkt type %x "
+ "entry status=%x.\n",
+ ha->host_no, pkt->entry_type, pkt->entry_status));
+ break;
+ }
+ ((response_t *)pkt)->signature = RESPONSE_PROCESSED;
+ wmb();
+ }
- add_to_done_queue(ha, sp);
+ /* Adjust ring index */
+ WRT_REG_DWORD(®->rsp_q_out, ha->rsp_ring_index);
}
/**
- * qla2x00_check_sense() - Perform any sense data interrogation.
- * @cp: SCSI Command
- * @lq: Lun queue
+ * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
+ * @irq:
+ * @dev_id: SCSI driver HA context
*
- * Returns QLA_SUCCESS if the lun queue is suspended, else
- * QLA_FUNCTION_FAILED (lun queue not suspended).
+ * Called by system whenever the host adapter generates an interrupt.
+ *
+ * Returns handled flag.
*/
-static int
-qla2x00_check_sense(struct scsi_cmnd *cp, os_lun_t *lq)
+irqreturn_t
+qla24xx_intr_handler(int irq, void *dev_id)
{
scsi_qla_host_t *ha;
- srb_t *sp;
- fc_port_t *fcport;
+ struct device_reg_24xx __iomem *reg;
+ int status;
+ unsigned long flags;
+ unsigned long iter;
+ uint32_t stat;
+ uint32_t hccr;
+ uint16_t mb[4];
- ha = (scsi_qla_host_t *) cp->device->host->hostdata;
- if ((cp->sense_buffer[0] & 0x70) != 0x70) {
- return (QLA_FUNCTION_FAILED);
+ ha = (scsi_qla_host_t *) dev_id;
+ if (!ha) {
+ printk(KERN_INFO
+ "%s(): NULL host pointer\n", __func__);
+ return IRQ_NONE;
}
- sp = (srb_t * )CMD_SP(cp);
- sp->flags |= SRB_GOT_SENSE;
+ reg = &ha->iobase->isp24;
+ status = 0;
- switch (cp->sense_buffer[2] & 0xf) {
- case RECOVERED_ERROR:
- cp->result = DID_OK << 16;
- cp->sense_buffer[0] = 0;
- break;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (iter = 50; iter--; ) {
+ stat = RD_REG_DWORD(®->host_status);
+ if (stat & HSRX_RISC_PAUSED) {
+ hccr = RD_REG_DWORD(®->hccr);
+
+ qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
+ "Dumping firmware!\n", hccr);
+ ha->isp_ops.fw_dump(ha, 1);
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ break;
+ } else if ((stat & HSRX_RISC_INT) == 0)
+ break;
- case NOT_READY:
- fcport = lq->fclun->fcport;
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla24xx_mbx_completion(ha, MSW(stat));
+ status |= MBX_INTERRUPT;
- /*
- * Suspend the lun only for hard disk device type.
- */
- if ((fcport->flags & FCF_TAPE_PRESENT) == 0 &&
- lq->q_state != LUN_STATE_TIMEOUT) {
- /*
- * If target is in process of being ready then suspend
- * lun for 6 secs and retry all the commands.
- */
- if (cp->sense_buffer[12] == 0x4 &&
- cp->sense_buffer[13] == 0x1) {
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_REG_WORD(®->mailbox1);
+ mb[2] = RD_REG_WORD(®->mailbox2);
+ mb[3] = RD_REG_WORD(®->mailbox3);
+ qla2x00_async_event(ha, mb);
+ break;
+ case 0x13:
+ qla24xx_process_response_queue(ha);
+ break;
+ default:
+ DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
+ "(%d).\n",
+ ha->host_no, stat & 0xff));
+ break;
+ }
+ WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
+ RD_REG_DWORD_RELAXED(®->hccr);
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
- /* Suspend the lun for 6 secs */
- qla2x00_suspend_lun(ha, lq, 6,
- ql2xsuspendcount);
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+ (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ spin_lock_irqsave(&ha->mbx_reg_lock, flags);
- return (QLA_SUCCESS);
- }
- }
- break;
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ up(&ha->mbx_intr_sem);
+
+ spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
}
- return (QLA_FUNCTION_FAILED);
+ return IRQ_HANDLED;
}
+
+/**
+ * qla24xx_ms_entry() - Process a Management Server entry.
+ * @ha: SCSI driver HA context
+ * @index: Response queue out pointer
+ */
+static void
+qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt)
+{
+ srb_t *sp;
+
+ DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
+ __func__, ha->host_no, pkt, pkt->handle));
+
+ DEBUG9(printk("%s: ct pkt dump:\n", __func__));
+ DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx)));
+
+ /* Validate handle. */
+ if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
+ sp = ha->outstanding_cmds[pkt->handle];
+ else
+ sp = NULL;
+
+ if (sp == NULL) {
+ DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
+ ha->host_no));
+ DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n",
+ ha->host_no));
+ qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n",
+ pkt->handle);
+
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ return;
+ }
+
+ CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status);
+ CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
+
+ /* Free outstanding command slot. */
+ ha->outstanding_cmds[pkt->handle] = NULL;
+
+ qla2x00_sp_compl(ha, sp);
+}
+
git://git.onelab.eu / linux-2.6.git / blobdiff