de7c5d059d
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2560 lines
68 KiB
C
2560 lines
68 KiB
C
/*
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* QLogic Fibre Channel HBA Driver
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* Copyright (c) 2003-2010 QLogic Corporation
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*
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* See LICENSE.qla2xxx for copyright and licensing details.
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*/
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#include "qla_def.h"
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsi_bsg_fc.h>
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#include <scsi/scsi_eh.h>
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static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
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static void qla2x00_process_completed_request(struct scsi_qla_host *,
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struct req_que *, uint32_t);
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static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
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static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
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static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
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sts_entry_t *);
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/**
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* qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
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* @irq:
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* @dev_id: SCSI driver HA context
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*
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* Called by system whenever the host adapter generates an interrupt.
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*
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* Returns handled flag.
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*/
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irqreturn_t
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qla2100_intr_handler(int irq, void *dev_id)
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{
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scsi_qla_host_t *vha;
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struct qla_hw_data *ha;
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struct device_reg_2xxx __iomem *reg;
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int status;
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unsigned long iter;
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uint16_t hccr;
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uint16_t mb[4];
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struct rsp_que *rsp;
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unsigned long flags;
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rsp = (struct rsp_que *) dev_id;
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if (!rsp) {
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printk(KERN_INFO
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"%s(): NULL response queue pointer\n", __func__);
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return (IRQ_NONE);
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}
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ha = rsp->hw;
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reg = &ha->iobase->isp;
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status = 0;
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spin_lock_irqsave(&ha->hardware_lock, flags);
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vha = pci_get_drvdata(ha->pdev);
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for (iter = 50; iter--; ) {
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hccr = RD_REG_WORD(®->hccr);
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if (hccr & HCCR_RISC_PAUSE) {
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if (pci_channel_offline(ha->pdev))
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break;
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/*
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* Issue a "HARD" reset in order for the RISC interrupt
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* bit to be cleared. Schedule a big hammmer to get
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* out of the RISC PAUSED state.
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*/
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WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
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RD_REG_WORD(®->hccr);
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ha->isp_ops->fw_dump(vha, 1);
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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break;
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} else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
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break;
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if (RD_REG_WORD(®->semaphore) & BIT_0) {
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WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
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RD_REG_WORD(®->hccr);
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/* Get mailbox data. */
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mb[0] = RD_MAILBOX_REG(ha, reg, 0);
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if (mb[0] > 0x3fff && mb[0] < 0x8000) {
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qla2x00_mbx_completion(vha, mb[0]);
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status |= MBX_INTERRUPT;
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} else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
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mb[1] = RD_MAILBOX_REG(ha, reg, 1);
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mb[2] = RD_MAILBOX_REG(ha, reg, 2);
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mb[3] = RD_MAILBOX_REG(ha, reg, 3);
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qla2x00_async_event(vha, rsp, mb);
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} else {
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/*EMPTY*/
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DEBUG2(printk("scsi(%ld): Unrecognized "
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"interrupt type (%d).\n",
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vha->host_no, mb[0]));
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}
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/* Release mailbox registers. */
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WRT_REG_WORD(®->semaphore, 0);
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RD_REG_WORD(®->semaphore);
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} else {
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qla2x00_process_response_queue(rsp);
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WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
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RD_REG_WORD(®->hccr);
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}
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}
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spin_unlock_irqrestore(&ha->hardware_lock, flags);
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if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
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(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
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set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
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complete(&ha->mbx_intr_comp);
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}
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return (IRQ_HANDLED);
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}
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/**
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* qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
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* @irq:
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* @dev_id: SCSI driver HA context
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*
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* Called by system whenever the host adapter generates an interrupt.
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*
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* Returns handled flag.
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*/
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irqreturn_t
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qla2300_intr_handler(int irq, void *dev_id)
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{
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scsi_qla_host_t *vha;
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struct device_reg_2xxx __iomem *reg;
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int status;
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unsigned long iter;
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uint32_t stat;
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uint16_t hccr;
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uint16_t mb[4];
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struct rsp_que *rsp;
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struct qla_hw_data *ha;
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unsigned long flags;
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rsp = (struct rsp_que *) dev_id;
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if (!rsp) {
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printk(KERN_INFO
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"%s(): NULL response queue pointer\n", __func__);
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return (IRQ_NONE);
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}
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ha = rsp->hw;
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reg = &ha->iobase->isp;
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status = 0;
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spin_lock_irqsave(&ha->hardware_lock, flags);
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vha = pci_get_drvdata(ha->pdev);
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for (iter = 50; iter--; ) {
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stat = RD_REG_DWORD(®->u.isp2300.host_status);
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if (stat & HSR_RISC_PAUSED) {
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if (unlikely(pci_channel_offline(ha->pdev)))
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break;
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hccr = RD_REG_WORD(®->hccr);
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if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
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qla_printk(KERN_INFO, ha, "Parity error -- "
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"HCCR=%x, Dumping firmware!\n", hccr);
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else
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qla_printk(KERN_INFO, ha, "RISC paused -- "
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"HCCR=%x, Dumping firmware!\n", hccr);
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/*
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* Issue a "HARD" reset in order for the RISC
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* interrupt bit to be cleared. Schedule a big
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* hammmer to get out of the RISC PAUSED state.
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*/
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WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
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RD_REG_WORD(®->hccr);
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ha->isp_ops->fw_dump(vha, 1);
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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break;
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} else if ((stat & HSR_RISC_INT) == 0)
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break;
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switch (stat & 0xff) {
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case 0x1:
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case 0x2:
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case 0x10:
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case 0x11:
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qla2x00_mbx_completion(vha, MSW(stat));
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status |= MBX_INTERRUPT;
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/* Release mailbox registers. */
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WRT_REG_WORD(®->semaphore, 0);
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break;
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case 0x12:
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mb[0] = MSW(stat);
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mb[1] = RD_MAILBOX_REG(ha, reg, 1);
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mb[2] = RD_MAILBOX_REG(ha, reg, 2);
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mb[3] = RD_MAILBOX_REG(ha, reg, 3);
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qla2x00_async_event(vha, rsp, mb);
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break;
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case 0x13:
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qla2x00_process_response_queue(rsp);
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break;
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case 0x15:
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mb[0] = MBA_CMPLT_1_16BIT;
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mb[1] = MSW(stat);
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qla2x00_async_event(vha, rsp, mb);
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break;
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case 0x16:
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mb[0] = MBA_SCSI_COMPLETION;
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mb[1] = MSW(stat);
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mb[2] = RD_MAILBOX_REG(ha, reg, 2);
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qla2x00_async_event(vha, rsp, mb);
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break;
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default:
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DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
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"(%d).\n",
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vha->host_no, stat & 0xff));
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break;
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}
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WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
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RD_REG_WORD_RELAXED(®->hccr);
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}
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spin_unlock_irqrestore(&ha->hardware_lock, flags);
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if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
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(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
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set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
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complete(&ha->mbx_intr_comp);
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}
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return (IRQ_HANDLED);
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}
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/**
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* qla2x00_mbx_completion() - Process mailbox command completions.
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* @ha: SCSI driver HA context
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* @mb0: Mailbox0 register
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*/
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static void
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qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
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{
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uint16_t cnt;
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uint16_t __iomem *wptr;
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struct qla_hw_data *ha = vha->hw;
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struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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/* Load return mailbox registers. */
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ha->flags.mbox_int = 1;
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ha->mailbox_out[0] = mb0;
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wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1);
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for (cnt = 1; cnt < ha->mbx_count; cnt++) {
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if (IS_QLA2200(ha) && cnt == 8)
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wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8);
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if (cnt == 4 || cnt == 5)
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ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
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else
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ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
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wptr++;
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}
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if (ha->mcp) {
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DEBUG3(printk("%s(%ld): Got mailbox completion. cmd=%x.\n",
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__func__, vha->host_no, ha->mcp->mb[0]));
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} else {
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DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
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__func__, vha->host_no));
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}
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}
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static void
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qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
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{
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static char *event[] =
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{ "Complete", "Request Notification", "Time Extension" };
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int rval;
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struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
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uint16_t __iomem *wptr;
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uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
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/* Seed data -- mailbox1 -> mailbox7. */
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wptr = (uint16_t __iomem *)®24->mailbox1;
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for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
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mb[cnt] = RD_REG_WORD(wptr);
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DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
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"%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no,
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event[aen & 0xff],
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mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]));
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/* Acknowledgement needed? [Notify && non-zero timeout]. */
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timeout = (descr >> 8) & 0xf;
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if (aen != MBA_IDC_NOTIFY || !timeout)
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return;
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DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
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"ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout));
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rval = qla2x00_post_idc_ack_work(vha, mb);
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if (rval != QLA_SUCCESS)
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qla_printk(KERN_WARNING, vha->hw,
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"IDC failed to post ACK.\n");
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}
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/**
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* qla2x00_async_event() - Process aynchronous events.
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* @ha: SCSI driver HA context
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* @mb: Mailbox registers (0 - 3)
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*/
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void
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qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
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{
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#define LS_UNKNOWN 2
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static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
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char *link_speed;
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uint16_t handle_cnt;
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uint16_t cnt, mbx;
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uint32_t handles[5];
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struct qla_hw_data *ha = vha->hw;
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struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
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struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
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uint32_t rscn_entry, host_pid;
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uint8_t rscn_queue_index;
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unsigned long flags;
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/* Setup to process RIO completion. */
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handle_cnt = 0;
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if (IS_QLA8XXX_TYPE(ha))
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goto skip_rio;
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switch (mb[0]) {
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case MBA_SCSI_COMPLETION:
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handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
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handle_cnt = 1;
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break;
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case MBA_CMPLT_1_16BIT:
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handles[0] = mb[1];
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handle_cnt = 1;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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case MBA_CMPLT_2_16BIT:
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handles[0] = mb[1];
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handles[1] = mb[2];
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handle_cnt = 2;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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case MBA_CMPLT_3_16BIT:
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handles[0] = mb[1];
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handles[1] = mb[2];
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handles[2] = mb[3];
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handle_cnt = 3;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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case MBA_CMPLT_4_16BIT:
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handles[0] = mb[1];
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handles[1] = mb[2];
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handles[2] = mb[3];
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handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
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handle_cnt = 4;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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case MBA_CMPLT_5_16BIT:
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handles[0] = mb[1];
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handles[1] = mb[2];
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handles[2] = mb[3];
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handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
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handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
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handle_cnt = 5;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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case MBA_CMPLT_2_32BIT:
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handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
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handles[1] = le32_to_cpu(
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((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
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RD_MAILBOX_REG(ha, reg, 6));
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handle_cnt = 2;
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mb[0] = MBA_SCSI_COMPLETION;
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break;
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default:
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break;
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}
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skip_rio:
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switch (mb[0]) {
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case MBA_SCSI_COMPLETION: /* Fast Post */
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if (!vha->flags.online)
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break;
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for (cnt = 0; cnt < handle_cnt; cnt++)
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qla2x00_process_completed_request(vha, rsp->req,
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handles[cnt]);
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break;
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case MBA_RESET: /* Reset */
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DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n",
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vha->host_no));
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set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
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break;
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case MBA_SYSTEM_ERR: /* System Error */
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mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0;
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qla_printk(KERN_INFO, ha,
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"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh "
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"mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx);
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ha->isp_ops->fw_dump(vha, 1);
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if (IS_FWI2_CAPABLE(ha)) {
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if (mb[1] == 0 && mb[2] == 0) {
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qla_printk(KERN_ERR, ha,
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"Unrecoverable Hardware Error: adapter "
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"marked OFFLINE!\n");
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vha->flags.online = 0;
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} else
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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} else if (mb[1] == 0) {
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qla_printk(KERN_INFO, ha,
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"Unrecoverable Hardware Error: adapter marked "
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"OFFLINE!\n");
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vha->flags.online = 0;
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} else
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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break;
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case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
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DEBUG2(printk("scsi(%ld): ISP Request Transfer Error (%x).\n",
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vha->host_no, mb[1]));
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qla_printk(KERN_WARNING, ha,
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"ISP Request Transfer Error (%x).\n", mb[1]);
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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break;
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|
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case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
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DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
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vha->host_no));
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qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
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|
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set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
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break;
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|
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case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
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DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
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vha->host_no));
|
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break;
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|
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case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
|
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DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", vha->host_no,
|
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mb[1]));
|
|
qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]);
|
|
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
}
|
|
|
|
set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
|
|
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
|
|
|
|
vha->flags.management_server_logged_in = 0;
|
|
qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
|
|
break;
|
|
|
|
case MBA_LOOP_UP: /* Loop Up Event */
|
|
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
|
|
link_speed = link_speeds[0];
|
|
ha->link_data_rate = PORT_SPEED_1GB;
|
|
} else {
|
|
link_speed = link_speeds[LS_UNKNOWN];
|
|
if (mb[1] < 5)
|
|
link_speed = link_speeds[mb[1]];
|
|
else if (mb[1] == 0x13)
|
|
link_speed = link_speeds[5];
|
|
ha->link_data_rate = mb[1];
|
|
}
|
|
|
|
DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
|
|
vha->host_no, link_speed));
|
|
qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n",
|
|
link_speed);
|
|
|
|
vha->flags.management_server_logged_in = 0;
|
|
qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
|
|
break;
|
|
|
|
case MBA_LOOP_DOWN: /* Loop Down Event */
|
|
mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0;
|
|
DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN "
|
|
"(%x %x %x %x).\n", vha->host_no, mb[1], mb[2], mb[3],
|
|
mbx));
|
|
qla_printk(KERN_INFO, ha,
|
|
"LOOP DOWN detected (%x %x %x %x).\n", mb[1], mb[2], mb[3],
|
|
mbx);
|
|
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
vha->device_flags |= DFLG_NO_CABLE;
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
}
|
|
|
|
vha->flags.management_server_logged_in = 0;
|
|
ha->link_data_rate = PORT_SPEED_UNKNOWN;
|
|
qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
|
|
break;
|
|
|
|
case MBA_LIP_RESET: /* LIP reset occurred */
|
|
DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
|
|
vha->host_no, mb[1]));
|
|
qla_printk(KERN_INFO, ha,
|
|
"LIP reset occurred (%x).\n", mb[1]);
|
|
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
}
|
|
|
|
set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
|
|
|
|
ha->operating_mode = LOOP;
|
|
vha->flags.management_server_logged_in = 0;
|
|
qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
|
|
break;
|
|
|
|
/* case MBA_DCBX_COMPLETE: */
|
|
case MBA_POINT_TO_POINT: /* Point-to-Point */
|
|
if (IS_QLA2100(ha))
|
|
break;
|
|
|
|
if (IS_QLA8XXX_TYPE(ha)) {
|
|
DEBUG2(printk("scsi(%ld): DCBX Completed -- %04x %04x "
|
|
"%04x\n", vha->host_no, mb[1], mb[2], mb[3]));
|
|
if (ha->notify_dcbx_comp)
|
|
complete(&ha->dcbx_comp);
|
|
|
|
} else
|
|
DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE "
|
|
"received.\n", vha->host_no));
|
|
|
|
/*
|
|
* Until there's a transition from loop down to loop up, treat
|
|
* this as loop down only.
|
|
*/
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
if (!atomic_read(&vha->loop_down_timer))
|
|
atomic_set(&vha->loop_down_timer,
|
|
LOOP_DOWN_TIME);
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
}
|
|
|
|
if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
|
|
set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
|
|
|
|
set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
|
|
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
|
|
|
|
ha->flags.gpsc_supported = 1;
|
|
vha->flags.management_server_logged_in = 0;
|
|
break;
|
|
|
|
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
|
|
if (IS_QLA2100(ha))
|
|
break;
|
|
|
|
DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
|
|
"received.\n",
|
|
vha->host_no));
|
|
qla_printk(KERN_INFO, ha,
|
|
"Configuration change detected: value=%x.\n", mb[1]);
|
|
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
if (!atomic_read(&vha->loop_down_timer))
|
|
atomic_set(&vha->loop_down_timer,
|
|
LOOP_DOWN_TIME);
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
|
|
}
|
|
|
|
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
|
|
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
|
|
break;
|
|
|
|
case MBA_PORT_UPDATE: /* Port database update */
|
|
/*
|
|
* Handle only global and vn-port update events
|
|
*
|
|
* Relevant inputs:
|
|
* mb[1] = N_Port handle of changed port
|
|
* OR 0xffff for global event
|
|
* mb[2] = New login state
|
|
* 7 = Port logged out
|
|
* mb[3] = LSB is vp_idx, 0xff = all vps
|
|
*
|
|
* Skip processing if:
|
|
* Event is global, vp_idx is NOT all vps,
|
|
* vp_idx does not match
|
|
* Event is not global, vp_idx does not match
|
|
*/
|
|
if (IS_QLA2XXX_MIDTYPE(ha) &&
|
|
((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
|
|
(mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
|
|
break;
|
|
|
|
/* Global event -- port logout or port unavailable. */
|
|
if (mb[1] == 0xffff && mb[2] == 0x7) {
|
|
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
|
|
vha->host_no));
|
|
DEBUG(printk(KERN_INFO
|
|
"scsi(%ld): Port unavailable %04x %04x %04x.\n",
|
|
vha->host_no, mb[1], mb[2], mb[3]));
|
|
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
|
|
atomic_set(&vha->loop_state, LOOP_DOWN);
|
|
atomic_set(&vha->loop_down_timer,
|
|
LOOP_DOWN_TIME);
|
|
vha->device_flags |= DFLG_NO_CABLE;
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
if (vha->vp_idx) {
|
|
atomic_set(&vha->vp_state, VP_FAILED);
|
|
fc_vport_set_state(vha->fc_vport,
|
|
FC_VPORT_FAILED);
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
}
|
|
|
|
vha->flags.management_server_logged_in = 0;
|
|
ha->link_data_rate = PORT_SPEED_UNKNOWN;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
|
|
* event etc. earlier indicating loop is down) then process
|
|
* it. Otherwise ignore it and Wait for RSCN to come in.
|
|
*/
|
|
atomic_set(&vha->loop_down_timer, 0);
|
|
if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
|
|
atomic_read(&vha->loop_state) != LOOP_DEAD) {
|
|
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
|
|
"ignored %04x/%04x/%04x.\n", vha->host_no, mb[1],
|
|
mb[2], mb[3]));
|
|
break;
|
|
}
|
|
|
|
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
|
|
vha->host_no));
|
|
DEBUG(printk(KERN_INFO
|
|
"scsi(%ld): Port database changed %04x %04x %04x.\n",
|
|
vha->host_no, mb[1], mb[2], mb[3]));
|
|
|
|
/*
|
|
* Mark all devices as missing so we will login again.
|
|
*/
|
|
atomic_set(&vha->loop_state, LOOP_UP);
|
|
|
|
qla2x00_mark_all_devices_lost(vha, 1);
|
|
|
|
vha->flags.rscn_queue_overflow = 1;
|
|
|
|
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
|
|
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
|
|
break;
|
|
|
|
case MBA_RSCN_UPDATE: /* State Change Registration */
|
|
/* Check if the Vport has issued a SCR */
|
|
if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
|
|
break;
|
|
/* Only handle SCNs for our Vport index. */
|
|
if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
|
|
break;
|
|
|
|
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
|
|
vha->host_no));
|
|
DEBUG(printk(KERN_INFO
|
|
"scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
|
|
vha->host_no, mb[1], mb[2], mb[3]));
|
|
|
|
rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
|
|
host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
|
|
| vha->d_id.b.al_pa;
|
|
if (rscn_entry == host_pid) {
|
|
DEBUG(printk(KERN_INFO
|
|
"scsi(%ld): Ignoring RSCN update to local host "
|
|
"port ID (%06x)\n",
|
|
vha->host_no, host_pid));
|
|
break;
|
|
}
|
|
|
|
/* Ignore reserved bits from RSCN-payload. */
|
|
rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
|
|
rscn_queue_index = vha->rscn_in_ptr + 1;
|
|
if (rscn_queue_index == MAX_RSCN_COUNT)
|
|
rscn_queue_index = 0;
|
|
if (rscn_queue_index != vha->rscn_out_ptr) {
|
|
vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry;
|
|
vha->rscn_in_ptr = rscn_queue_index;
|
|
} else {
|
|
vha->flags.rscn_queue_overflow = 1;
|
|
}
|
|
|
|
atomic_set(&vha->loop_state, LOOP_UPDATE);
|
|
atomic_set(&vha->loop_down_timer, 0);
|
|
vha->flags.management_server_logged_in = 0;
|
|
|
|
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
|
|
set_bit(RSCN_UPDATE, &vha->dpc_flags);
|
|
qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
|
|
break;
|
|
|
|
/* case MBA_RIO_RESPONSE: */
|
|
case MBA_ZIO_RESPONSE:
|
|
DEBUG3(printk("scsi(%ld): [R|Z]IO update completion.\n",
|
|
vha->host_no));
|
|
|
|
if (IS_FWI2_CAPABLE(ha))
|
|
qla24xx_process_response_queue(vha, rsp);
|
|
else
|
|
qla2x00_process_response_queue(rsp);
|
|
break;
|
|
|
|
case MBA_DISCARD_RND_FRAME:
|
|
DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
|
|
"%04x.\n", vha->host_no, mb[1], mb[2], mb[3]));
|
|
break;
|
|
|
|
case MBA_TRACE_NOTIFICATION:
|
|
DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
|
|
vha->host_no, mb[1], mb[2]));
|
|
break;
|
|
|
|
case MBA_ISP84XX_ALERT:
|
|
DEBUG2(printk("scsi(%ld): ISP84XX Alert Notification -- "
|
|
"%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3]));
|
|
|
|
spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
|
|
switch (mb[1]) {
|
|
case A84_PANIC_RECOVERY:
|
|
qla_printk(KERN_INFO, ha, "Alert 84XX: panic recovery "
|
|
"%04x %04x\n", mb[2], mb[3]);
|
|
break;
|
|
case A84_OP_LOGIN_COMPLETE:
|
|
ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
|
|
DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:"
|
|
"firmware version %x\n", ha->cs84xx->op_fw_version));
|
|
break;
|
|
case A84_DIAG_LOGIN_COMPLETE:
|
|
ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
|
|
DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX:"
|
|
"diagnostic firmware version %x\n",
|
|
ha->cs84xx->diag_fw_version));
|
|
break;
|
|
case A84_GOLD_LOGIN_COMPLETE:
|
|
ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
|
|
ha->cs84xx->fw_update = 1;
|
|
DEBUG2(qla_printk(KERN_INFO, ha, "Alert 84XX: gold "
|
|
"firmware version %x\n",
|
|
ha->cs84xx->gold_fw_version));
|
|
break;
|
|
default:
|
|
qla_printk(KERN_ERR, ha,
|
|
"Alert 84xx: Invalid Alert %04x %04x %04x\n",
|
|
mb[1], mb[2], mb[3]);
|
|
}
|
|
spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
|
|
break;
|
|
case MBA_DCBX_START:
|
|
DEBUG2(printk("scsi(%ld): DCBX Started -- %04x %04x %04x\n",
|
|
vha->host_no, mb[1], mb[2], mb[3]));
|
|
break;
|
|
case MBA_DCBX_PARAM_UPDATE:
|
|
DEBUG2(printk("scsi(%ld): DCBX Parameters Updated -- "
|
|
"%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3]));
|
|
break;
|
|
case MBA_FCF_CONF_ERR:
|
|
DEBUG2(printk("scsi(%ld): FCF Configuration Error -- "
|
|
"%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3]));
|
|
break;
|
|
case MBA_IDC_COMPLETE:
|
|
case MBA_IDC_NOTIFY:
|
|
case MBA_IDC_TIME_EXT:
|
|
qla81xx_idc_event(vha, mb[0], mb[1]);
|
|
break;
|
|
}
|
|
|
|
if (!vha->vp_idx && ha->num_vhosts)
|
|
qla2x00_alert_all_vps(rsp, mb);
|
|
}
|
|
|
|
/**
|
|
* qla2x00_process_completed_request() - Process a Fast Post response.
|
|
* @ha: SCSI driver HA context
|
|
* @index: SRB index
|
|
*/
|
|
static void
|
|
qla2x00_process_completed_request(struct scsi_qla_host *vha,
|
|
struct req_que *req, uint32_t index)
|
|
{
|
|
srb_t *sp;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
/* Validate handle. */
|
|
if (index >= MAX_OUTSTANDING_COMMANDS) {
|
|
DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
|
|
vha->host_no, index));
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Invalid SCSI completion handle %d.\n", index);
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
return;
|
|
}
|
|
|
|
sp = req->outstanding_cmds[index];
|
|
if (sp) {
|
|
/* Free outstanding command slot. */
|
|
req->outstanding_cmds[index] = NULL;
|
|
|
|
/* Save ISP completion status */
|
|
sp->cmd->result = DID_OK << 16;
|
|
qla2x00_sp_compl(ha, sp);
|
|
} else {
|
|
DEBUG2(printk("scsi(%ld) Req:%d: Invalid ISP SCSI completion"
|
|
" handle(0x%x)\n", vha->host_no, req->id, index));
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Invalid ISP SCSI completion handle\n");
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
}
|
|
}
|
|
|
|
static srb_t *
|
|
qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
|
|
struct req_que *req, void *iocb)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
sts_entry_t *pkt = iocb;
|
|
srb_t *sp = NULL;
|
|
uint16_t index;
|
|
|
|
index = LSW(pkt->handle);
|
|
if (index >= MAX_OUTSTANDING_COMMANDS) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"%s: Invalid completion handle (%x).\n", func, index);
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
goto done;
|
|
}
|
|
sp = req->outstanding_cmds[index];
|
|
if (!sp) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"%s: Invalid completion handle (%x) -- timed-out.\n", func,
|
|
index);
|
|
return sp;
|
|
}
|
|
if (sp->handle != index) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"%s: SRB handle (%x) mismatch %x.\n", func, sp->handle,
|
|
index);
|
|
return NULL;
|
|
}
|
|
|
|
req->outstanding_cmds[index] = NULL;
|
|
|
|
done:
|
|
return sp;
|
|
}
|
|
|
|
static void
|
|
qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
|
|
struct mbx_entry *mbx)
|
|
{
|
|
const char func[] = "MBX-IOCB";
|
|
const char *type;
|
|
fc_port_t *fcport;
|
|
srb_t *sp;
|
|
struct srb_iocb *lio;
|
|
struct srb_ctx *ctx;
|
|
uint16_t *data;
|
|
uint16_t status;
|
|
|
|
sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
|
|
if (!sp)
|
|
return;
|
|
|
|
ctx = sp->ctx;
|
|
lio = ctx->u.iocb_cmd;
|
|
type = ctx->name;
|
|
fcport = sp->fcport;
|
|
data = lio->u.logio.data;
|
|
|
|
data[0] = MBS_COMMAND_ERROR;
|
|
data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
|
|
QLA_LOGIO_LOGIN_RETRIED : 0;
|
|
if (mbx->entry_status) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error entry - portid=%02x%02x%02x "
|
|
"entry-status=%x status=%x state-flag=%x "
|
|
"status-flags=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
fcport->d_id.b.domain, fcport->d_id.b.area,
|
|
fcport->d_id.b.al_pa, mbx->entry_status,
|
|
le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
|
|
le16_to_cpu(mbx->status_flags)));
|
|
|
|
DEBUG2(qla2x00_dump_buffer((uint8_t *)mbx, sizeof(*mbx)));
|
|
|
|
goto logio_done;
|
|
}
|
|
|
|
status = le16_to_cpu(mbx->status);
|
|
if (status == 0x30 && ctx->type == SRB_LOGIN_CMD &&
|
|
le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
|
|
status = 0;
|
|
if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
|
|
DEBUG2(printk(KERN_DEBUG
|
|
"scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x "
|
|
"mbx1=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
fcport->d_id.b.domain, fcport->d_id.b.area,
|
|
fcport->d_id.b.al_pa, le16_to_cpu(mbx->mb1)));
|
|
|
|
data[0] = MBS_COMMAND_COMPLETE;
|
|
if (ctx->type == SRB_LOGIN_CMD) {
|
|
fcport->port_type = FCT_TARGET;
|
|
if (le16_to_cpu(mbx->mb1) & BIT_0)
|
|
fcport->port_type = FCT_INITIATOR;
|
|
else if (le16_to_cpu(mbx->mb1) & BIT_1)
|
|
fcport->flags |= FCF_FCP2_DEVICE;
|
|
}
|
|
goto logio_done;
|
|
}
|
|
|
|
data[0] = le16_to_cpu(mbx->mb0);
|
|
switch (data[0]) {
|
|
case MBS_PORT_ID_USED:
|
|
data[1] = le16_to_cpu(mbx->mb1);
|
|
break;
|
|
case MBS_LOOP_ID_USED:
|
|
break;
|
|
default:
|
|
data[0] = MBS_COMMAND_ERROR;
|
|
break;
|
|
}
|
|
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x status=%x "
|
|
"mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain,
|
|
fcport->d_id.b.area, fcport->d_id.b.al_pa, status,
|
|
le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
|
|
le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
|
|
le16_to_cpu(mbx->mb7)));
|
|
|
|
logio_done:
|
|
lio->done(sp);
|
|
}
|
|
|
|
static void
|
|
qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
|
|
sts_entry_t *pkt, int iocb_type)
|
|
{
|
|
const char func[] = "CT_IOCB";
|
|
const char *type;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
srb_t *sp;
|
|
struct srb_ctx *sp_bsg;
|
|
struct fc_bsg_job *bsg_job;
|
|
uint16_t comp_status;
|
|
|
|
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
|
|
if (!sp)
|
|
return;
|
|
|
|
sp_bsg = sp->ctx;
|
|
bsg_job = sp_bsg->u.bsg_job;
|
|
|
|
type = NULL;
|
|
switch (sp_bsg->type) {
|
|
case SRB_CT_CMD:
|
|
type = "ct pass-through";
|
|
break;
|
|
default:
|
|
qla_printk(KERN_WARNING, ha,
|
|
"%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
|
|
sp_bsg->type);
|
|
return;
|
|
}
|
|
|
|
comp_status = le16_to_cpu(pkt->comp_status);
|
|
|
|
/* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
|
|
* fc payload to the caller
|
|
*/
|
|
bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
|
|
|
|
if (comp_status != CS_COMPLETE) {
|
|
if (comp_status == CS_DATA_UNDERRUN) {
|
|
bsg_job->reply->result = DID_OK << 16;
|
|
bsg_job->reply->reply_payload_rcv_len =
|
|
le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
|
|
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld): CT pass-through-%s error "
|
|
"comp_status-status=0x%x total_byte = 0x%x.\n",
|
|
vha->host_no, type, comp_status,
|
|
bsg_job->reply->reply_payload_rcv_len));
|
|
} else {
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld): CT pass-through-%s error "
|
|
"comp_status-status=0x%x.\n",
|
|
vha->host_no, type, comp_status));
|
|
bsg_job->reply->result = DID_ERROR << 16;
|
|
bsg_job->reply->reply_payload_rcv_len = 0;
|
|
}
|
|
DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt)));
|
|
} else {
|
|
bsg_job->reply->result = DID_OK << 16;;
|
|
bsg_job->reply->reply_payload_rcv_len =
|
|
bsg_job->reply_payload.payload_len;
|
|
bsg_job->reply_len = 0;
|
|
}
|
|
|
|
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
|
|
|
|
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
|
|
|
|
if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD)
|
|
kfree(sp->fcport);
|
|
|
|
kfree(sp->ctx);
|
|
mempool_free(sp, ha->srb_mempool);
|
|
bsg_job->job_done(bsg_job);
|
|
}
|
|
|
|
static void
|
|
qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
|
|
struct sts_entry_24xx *pkt, int iocb_type)
|
|
{
|
|
const char func[] = "ELS_CT_IOCB";
|
|
const char *type;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
srb_t *sp;
|
|
struct srb_ctx *sp_bsg;
|
|
struct fc_bsg_job *bsg_job;
|
|
uint16_t comp_status;
|
|
uint32_t fw_status[3];
|
|
uint8_t* fw_sts_ptr;
|
|
|
|
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
|
|
if (!sp)
|
|
return;
|
|
sp_bsg = sp->ctx;
|
|
bsg_job = sp_bsg->u.bsg_job;
|
|
|
|
type = NULL;
|
|
switch (sp_bsg->type) {
|
|
case SRB_ELS_CMD_RPT:
|
|
case SRB_ELS_CMD_HST:
|
|
type = "els";
|
|
break;
|
|
case SRB_CT_CMD:
|
|
type = "ct pass-through";
|
|
break;
|
|
default:
|
|
qla_printk(KERN_WARNING, ha,
|
|
"%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
|
|
sp_bsg->type);
|
|
return;
|
|
}
|
|
|
|
comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
|
|
fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1);
|
|
fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2);
|
|
|
|
/* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
|
|
* fc payload to the caller
|
|
*/
|
|
bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
|
|
bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
|
|
|
|
if (comp_status != CS_COMPLETE) {
|
|
if (comp_status == CS_DATA_UNDERRUN) {
|
|
bsg_job->reply->result = DID_OK << 16;
|
|
bsg_job->reply->reply_payload_rcv_len =
|
|
le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count);
|
|
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
|
|
"error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
|
|
vha->host_no, sp->handle, type, comp_status, fw_status[1], fw_status[2],
|
|
le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count)));
|
|
fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
|
|
memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
|
|
}
|
|
else {
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld:0x%x): ELS-CT pass-through-%s error comp_status-status=0x%x "
|
|
"error subcode 1=0x%x error subcode 2=0x%x.\n",
|
|
vha->host_no, sp->handle, type, comp_status,
|
|
le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1),
|
|
le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2)));
|
|
bsg_job->reply->result = DID_ERROR << 16;
|
|
bsg_job->reply->reply_payload_rcv_len = 0;
|
|
fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
|
|
memcpy( fw_sts_ptr, fw_status, sizeof(fw_status));
|
|
}
|
|
DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt)));
|
|
}
|
|
else {
|
|
bsg_job->reply->result = DID_OK << 16;;
|
|
bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
|
|
bsg_job->reply_len = 0;
|
|
}
|
|
|
|
dma_unmap_sg(&ha->pdev->dev,
|
|
bsg_job->request_payload.sg_list,
|
|
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
|
|
dma_unmap_sg(&ha->pdev->dev,
|
|
bsg_job->reply_payload.sg_list,
|
|
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
|
|
if ((sp_bsg->type == SRB_ELS_CMD_HST) ||
|
|
(sp_bsg->type == SRB_CT_CMD))
|
|
kfree(sp->fcport);
|
|
kfree(sp->ctx);
|
|
mempool_free(sp, ha->srb_mempool);
|
|
bsg_job->job_done(bsg_job);
|
|
}
|
|
|
|
static void
|
|
qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
|
|
struct logio_entry_24xx *logio)
|
|
{
|
|
const char func[] = "LOGIO-IOCB";
|
|
const char *type;
|
|
fc_port_t *fcport;
|
|
srb_t *sp;
|
|
struct srb_iocb *lio;
|
|
struct srb_ctx *ctx;
|
|
uint16_t *data;
|
|
uint32_t iop[2];
|
|
|
|
sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
|
|
if (!sp)
|
|
return;
|
|
|
|
ctx = sp->ctx;
|
|
lio = ctx->u.iocb_cmd;
|
|
type = ctx->name;
|
|
fcport = sp->fcport;
|
|
data = lio->u.logio.data;
|
|
|
|
data[0] = MBS_COMMAND_ERROR;
|
|
data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
|
|
QLA_LOGIO_LOGIN_RETRIED : 0;
|
|
if (logio->entry_status) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error entry - "
|
|
"portid=%02x%02x%02x entry-status=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
fcport->d_id.b.domain, fcport->d_id.b.area,
|
|
fcport->d_id.b.al_pa, logio->entry_status));
|
|
DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio)));
|
|
|
|
goto logio_done;
|
|
}
|
|
|
|
if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
|
|
DEBUG2(printk(KERN_DEBUG
|
|
"scsi(%ld:%x): Async-%s complete - portid=%02x%02x%02x "
|
|
"iop0=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
fcport->d_id.b.domain, fcport->d_id.b.area,
|
|
fcport->d_id.b.al_pa,
|
|
le32_to_cpu(logio->io_parameter[0])));
|
|
|
|
data[0] = MBS_COMMAND_COMPLETE;
|
|
if (ctx->type != SRB_LOGIN_CMD)
|
|
goto logio_done;
|
|
|
|
iop[0] = le32_to_cpu(logio->io_parameter[0]);
|
|
if (iop[0] & BIT_4) {
|
|
fcport->port_type = FCT_TARGET;
|
|
if (iop[0] & BIT_8)
|
|
fcport->flags |= FCF_FCP2_DEVICE;
|
|
} else if (iop[0] & BIT_5)
|
|
fcport->port_type = FCT_INITIATOR;
|
|
|
|
if (logio->io_parameter[7] || logio->io_parameter[8])
|
|
fcport->supported_classes |= FC_COS_CLASS2;
|
|
if (logio->io_parameter[9] || logio->io_parameter[10])
|
|
fcport->supported_classes |= FC_COS_CLASS3;
|
|
|
|
goto logio_done;
|
|
}
|
|
|
|
iop[0] = le32_to_cpu(logio->io_parameter[0]);
|
|
iop[1] = le32_to_cpu(logio->io_parameter[1]);
|
|
switch (iop[0]) {
|
|
case LSC_SCODE_PORTID_USED:
|
|
data[0] = MBS_PORT_ID_USED;
|
|
data[1] = LSW(iop[1]);
|
|
break;
|
|
case LSC_SCODE_NPORT_USED:
|
|
data[0] = MBS_LOOP_ID_USED;
|
|
break;
|
|
case LSC_SCODE_CMD_FAILED:
|
|
if ((iop[1] & 0xff) == 0x05) {
|
|
data[0] = MBS_NOT_LOGGED_IN;
|
|
break;
|
|
}
|
|
/* Fall through. */
|
|
default:
|
|
data[0] = MBS_COMMAND_ERROR;
|
|
break;
|
|
}
|
|
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s failed - portid=%02x%02x%02x comp=%x "
|
|
"iop0=%x iop1=%x.\n",
|
|
fcport->vha->host_no, sp->handle, type, fcport->d_id.b.domain,
|
|
fcport->d_id.b.area, fcport->d_id.b.al_pa,
|
|
le16_to_cpu(logio->comp_status),
|
|
le32_to_cpu(logio->io_parameter[0]),
|
|
le32_to_cpu(logio->io_parameter[1])));
|
|
|
|
logio_done:
|
|
lio->done(sp);
|
|
}
|
|
|
|
static void
|
|
qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
|
|
struct tsk_mgmt_entry *tsk)
|
|
{
|
|
const char func[] = "TMF-IOCB";
|
|
const char *type;
|
|
fc_port_t *fcport;
|
|
srb_t *sp;
|
|
struct srb_iocb *iocb;
|
|
struct srb_ctx *ctx;
|
|
struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
|
|
int error = 1;
|
|
|
|
sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
|
|
if (!sp)
|
|
return;
|
|
|
|
ctx = sp->ctx;
|
|
iocb = ctx->u.iocb_cmd;
|
|
type = ctx->name;
|
|
fcport = sp->fcport;
|
|
|
|
if (sts->entry_status) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error - entry-status(%x).\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
sts->entry_status));
|
|
} else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error - completion status(%x).\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
sts->comp_status));
|
|
} else if (!(le16_to_cpu(sts->scsi_status) &
|
|
SS_RESPONSE_INFO_LEN_VALID)) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error - no response info(%x).\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
sts->scsi_status));
|
|
} else if (le32_to_cpu(sts->rsp_data_len) < 4) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error - not enough response(%d).\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
sts->rsp_data_len));
|
|
} else if (sts->data[3]) {
|
|
DEBUG2(printk(KERN_WARNING
|
|
"scsi(%ld:%x): Async-%s error - response(%x).\n",
|
|
fcport->vha->host_no, sp->handle, type,
|
|
sts->data[3]));
|
|
} else {
|
|
error = 0;
|
|
}
|
|
|
|
if (error) {
|
|
iocb->u.tmf.data = error;
|
|
DEBUG2(qla2x00_dump_buffer((uint8_t *)sts, sizeof(*sts)));
|
|
}
|
|
|
|
iocb->done(sp);
|
|
}
|
|
|
|
/**
|
|
* qla2x00_process_response_queue() - Process response queue entries.
|
|
* @ha: SCSI driver HA context
|
|
*/
|
|
void
|
|
qla2x00_process_response_queue(struct rsp_que *rsp)
|
|
{
|
|
struct scsi_qla_host *vha;
|
|
struct qla_hw_data *ha = rsp->hw;
|
|
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
|
|
sts_entry_t *pkt;
|
|
uint16_t handle_cnt;
|
|
uint16_t cnt;
|
|
|
|
vha = pci_get_drvdata(ha->pdev);
|
|
|
|
if (!vha->flags.online)
|
|
return;
|
|
|
|
while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
|
|
pkt = (sts_entry_t *)rsp->ring_ptr;
|
|
|
|
rsp->ring_index++;
|
|
if (rsp->ring_index == rsp->length) {
|
|
rsp->ring_index = 0;
|
|
rsp->ring_ptr = rsp->ring;
|
|
} else {
|
|
rsp->ring_ptr++;
|
|
}
|
|
|
|
if (pkt->entry_status != 0) {
|
|
DEBUG3(printk(KERN_INFO
|
|
"scsi(%ld): Process error entry.\n", vha->host_no));
|
|
|
|
qla2x00_error_entry(vha, rsp, pkt);
|
|
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
|
|
wmb();
|
|
continue;
|
|
}
|
|
|
|
switch (pkt->entry_type) {
|
|
case STATUS_TYPE:
|
|
qla2x00_status_entry(vha, rsp, pkt);
|
|
break;
|
|
case STATUS_TYPE_21:
|
|
handle_cnt = ((sts21_entry_t *)pkt)->handle_count;
|
|
for (cnt = 0; cnt < handle_cnt; cnt++) {
|
|
qla2x00_process_completed_request(vha, rsp->req,
|
|
((sts21_entry_t *)pkt)->handle[cnt]);
|
|
}
|
|
break;
|
|
case STATUS_TYPE_22:
|
|
handle_cnt = ((sts22_entry_t *)pkt)->handle_count;
|
|
for (cnt = 0; cnt < handle_cnt; cnt++) {
|
|
qla2x00_process_completed_request(vha, rsp->req,
|
|
((sts22_entry_t *)pkt)->handle[cnt]);
|
|
}
|
|
break;
|
|
case STATUS_CONT_TYPE:
|
|
qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
|
|
break;
|
|
case MBX_IOCB_TYPE:
|
|
qla2x00_mbx_iocb_entry(vha, rsp->req,
|
|
(struct mbx_entry *)pkt);
|
|
break;
|
|
case CT_IOCB_TYPE:
|
|
qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
|
|
break;
|
|
default:
|
|
/* Type Not Supported. */
|
|
DEBUG4(printk(KERN_WARNING
|
|
"scsi(%ld): Received unknown response pkt type %x "
|
|
"entry status=%x.\n",
|
|
vha->host_no, pkt->entry_type, pkt->entry_status));
|
|
break;
|
|
}
|
|
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
|
|
wmb();
|
|
}
|
|
|
|
/* Adjust ring index */
|
|
WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
|
|
}
|
|
|
|
static inline void
|
|
|
|
qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
|
|
uint32_t sense_len, struct rsp_que *rsp)
|
|
{
|
|
struct scsi_cmnd *cp = sp->cmd;
|
|
|
|
if (sense_len >= SCSI_SENSE_BUFFERSIZE)
|
|
sense_len = SCSI_SENSE_BUFFERSIZE;
|
|
|
|
sp->request_sense_length = sense_len;
|
|
sp->request_sense_ptr = cp->sense_buffer;
|
|
if (sp->request_sense_length > par_sense_len)
|
|
sense_len = par_sense_len;
|
|
|
|
memcpy(cp->sense_buffer, sense_data, sense_len);
|
|
|
|
sp->request_sense_ptr += sense_len;
|
|
sp->request_sense_length -= sense_len;
|
|
if (sp->request_sense_length != 0)
|
|
rsp->status_srb = sp;
|
|
|
|
DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) "
|
|
"cmd=%p pid=%ld\n", __func__, sp->fcport->vha->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, sense_len));
|
|
}
|
|
|
|
struct scsi_dif_tuple {
|
|
__be16 guard; /* Checksum */
|
|
__be16 app_tag; /* APPL identifer */
|
|
__be32 ref_tag; /* Target LBA or indirect LBA */
|
|
};
|
|
|
|
/*
|
|
* Checks the guard or meta-data for the type of error
|
|
* detected by the HBA. In case of errors, we set the
|
|
* ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
|
|
* to indicate to the kernel that the HBA detected error.
|
|
*/
|
|
static inline void
|
|
qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
|
|
{
|
|
struct scsi_cmnd *cmd = sp->cmd;
|
|
struct scsi_dif_tuple *ep =
|
|
(struct scsi_dif_tuple *)&sts24->data[20];
|
|
struct scsi_dif_tuple *ap =
|
|
(struct scsi_dif_tuple *)&sts24->data[12];
|
|
uint32_t e_ref_tag, a_ref_tag;
|
|
uint16_t e_app_tag, a_app_tag;
|
|
uint16_t e_guard, a_guard;
|
|
|
|
e_ref_tag = be32_to_cpu(ep->ref_tag);
|
|
a_ref_tag = be32_to_cpu(ap->ref_tag);
|
|
e_app_tag = be16_to_cpu(ep->app_tag);
|
|
a_app_tag = be16_to_cpu(ap->app_tag);
|
|
e_guard = be16_to_cpu(ep->guard);
|
|
a_guard = be16_to_cpu(ap->guard);
|
|
|
|
DEBUG18(printk(KERN_DEBUG
|
|
"%s(): iocb(s) %p Returned STATUS\n", __func__, sts24));
|
|
|
|
DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
|
|
" tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
|
|
" tag=0x%x, act guard=0x%x, exp guard=0x%x\n",
|
|
cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
|
|
a_app_tag, e_app_tag, a_guard, e_guard));
|
|
|
|
|
|
/* check guard */
|
|
if (e_guard != a_guard) {
|
|
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x10, 0x1);
|
|
set_driver_byte(cmd, DRIVER_SENSE);
|
|
set_host_byte(cmd, DID_ABORT);
|
|
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
|
|
return;
|
|
}
|
|
|
|
/* check appl tag */
|
|
if (e_app_tag != a_app_tag) {
|
|
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x10, 0x2);
|
|
set_driver_byte(cmd, DRIVER_SENSE);
|
|
set_host_byte(cmd, DID_ABORT);
|
|
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
|
|
return;
|
|
}
|
|
|
|
/* check ref tag */
|
|
if (e_ref_tag != a_ref_tag) {
|
|
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
|
|
0x10, 0x3);
|
|
set_driver_byte(cmd, DRIVER_SENSE);
|
|
set_host_byte(cmd, DID_ABORT);
|
|
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla2x00_status_entry() - Process a Status IOCB entry.
|
|
* @ha: SCSI driver HA context
|
|
* @pkt: Entry pointer
|
|
*/
|
|
static void
|
|
qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
|
|
{
|
|
srb_t *sp;
|
|
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;
|
|
uint16_t ox_id;
|
|
uint8_t lscsi_status;
|
|
int32_t resid;
|
|
uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
|
|
fw_resid_len;
|
|
uint8_t *rsp_info, *sense_data;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
uint32_t handle;
|
|
uint16_t que;
|
|
struct req_que *req;
|
|
int logit = 1;
|
|
|
|
sts = (sts_entry_t *) pkt;
|
|
sts24 = (struct sts_entry_24xx *) pkt;
|
|
if (IS_FWI2_CAPABLE(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;
|
|
}
|
|
handle = (uint32_t) LSW(sts->handle);
|
|
que = MSW(sts->handle);
|
|
req = ha->req_q_map[que];
|
|
|
|
/* Fast path completion. */
|
|
if (comp_status == CS_COMPLETE && scsi_status == 0) {
|
|
qla2x00_process_completed_request(vha, req, handle);
|
|
|
|
return;
|
|
}
|
|
|
|
/* Validate handle. */
|
|
if (handle < MAX_OUTSTANDING_COMMANDS) {
|
|
sp = req->outstanding_cmds[handle];
|
|
req->outstanding_cmds[handle] = NULL;
|
|
} else
|
|
sp = NULL;
|
|
|
|
if (sp == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld): Invalid status handle (0x%x).\n", vha->host_no,
|
|
sts->handle);
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
qla2xxx_wake_dpc(vha);
|
|
return;
|
|
}
|
|
cp = sp->cmd;
|
|
if (cp == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"scsi(%ld): Command already returned (0x%x/%p).\n",
|
|
vha->host_no, sts->handle, sp);
|
|
|
|
return;
|
|
}
|
|
|
|
lscsi_status = scsi_status & STATUS_MASK;
|
|
|
|
fcport = sp->fcport;
|
|
|
|
ox_id = 0;
|
|
sense_len = par_sense_len = rsp_info_len = resid_len =
|
|
fw_resid_len = 0;
|
|
if (IS_FWI2_CAPABLE(ha)) {
|
|
if (scsi_status & SS_SENSE_LEN_VALID)
|
|
sense_len = le32_to_cpu(sts24->sense_len);
|
|
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
|
|
rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
|
|
if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
|
|
resid_len = le32_to_cpu(sts24->rsp_residual_count);
|
|
if (comp_status == CS_DATA_UNDERRUN)
|
|
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));
|
|
ox_id = le16_to_cpu(sts24->ox_id);
|
|
par_sense_len = sizeof(sts24->data);
|
|
} else {
|
|
if (scsi_status & SS_SENSE_LEN_VALID)
|
|
sense_len = le16_to_cpu(sts->req_sense_length);
|
|
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
|
|
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;
|
|
par_sense_len = sizeof(sts->req_sense_data);
|
|
}
|
|
|
|
/* Check for any FCP transport errors. */
|
|
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
|
|
/* Sense data lies beyond any FCP RESPONSE data. */
|
|
if (IS_FWI2_CAPABLE(ha)) {
|
|
sense_data += rsp_info_len;
|
|
par_sense_len -= rsp_info_len;
|
|
}
|
|
if (rsp_info_len > 3 && rsp_info[3]) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): FCP I/O protocol failure "
|
|
"(0x%x/0x%x).\n", vha->host_no, cp->device->id,
|
|
cp->device->lun, rsp_info_len, rsp_info[3]));
|
|
|
|
cp->result = DID_BUS_BUSY << 16;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* Check for overrun. */
|
|
if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
|
|
scsi_status & SS_RESIDUAL_OVER)
|
|
comp_status = CS_DATA_OVERRUN;
|
|
|
|
/*
|
|
* Based on Host and scsi status generate status code for Linux
|
|
*/
|
|
switch (comp_status) {
|
|
case CS_COMPLETE:
|
|
case CS_QUEUE_FULL:
|
|
if (scsi_status == 0) {
|
|
cp->result = DID_OK << 16;
|
|
break;
|
|
}
|
|
if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
|
|
resid = resid_len;
|
|
scsi_set_resid(cp, resid);
|
|
|
|
if (!lscsi_status &&
|
|
((unsigned)(scsi_bufflen(cp) - resid) <
|
|
cp->underflow)) {
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): Mid-layer underflow "
|
|
"detected (0x%x of 0x%x bytes).\n",
|
|
vha->host_no, cp->device->id,
|
|
cp->device->lun, resid, scsi_bufflen(cp));
|
|
|
|
cp->result = DID_ERROR << 16;
|
|
break;
|
|
}
|
|
}
|
|
cp->result = DID_OK << 16 | lscsi_status;
|
|
|
|
if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) QUEUE FULL detected.\n",
|
|
vha->host_no, cp->device->id, cp->device->lun));
|
|
break;
|
|
}
|
|
logit = 0;
|
|
if (lscsi_status != SS_CHECK_CONDITION)
|
|
break;
|
|
|
|
memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
|
|
if (!(scsi_status & SS_SENSE_LEN_VALID))
|
|
break;
|
|
|
|
qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
|
|
rsp);
|
|
break;
|
|
|
|
case CS_DATA_UNDERRUN:
|
|
/* Use F/W calculated residual length. */
|
|
resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
|
|
scsi_set_resid(cp, resid);
|
|
if (scsi_status & SS_RESIDUAL_UNDER) {
|
|
if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) Dropped frame(s) detected "
|
|
"(0x%x of 0x%x bytes).\n", vha->host_no,
|
|
cp->device->id, cp->device->lun, resid,
|
|
scsi_bufflen(cp)));
|
|
|
|
cp->result = DID_ERROR << 16 | lscsi_status;
|
|
break;
|
|
}
|
|
|
|
if (!lscsi_status &&
|
|
((unsigned)(scsi_bufflen(cp) - resid) <
|
|
cp->underflow)) {
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): Mid-layer underflow "
|
|
"detected (0x%x of 0x%x bytes).\n",
|
|
vha->host_no, cp->device->id,
|
|
cp->device->lun, resid, scsi_bufflen(cp));
|
|
|
|
cp->result = DID_ERROR << 16;
|
|
break;
|
|
}
|
|
} else if (!lscsi_status) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) Dropped frame(s) detected (0x%x "
|
|
"of 0x%x bytes).\n", vha->host_no, cp->device->id,
|
|
cp->device->lun, resid, scsi_bufflen(cp)));
|
|
|
|
cp->result = DID_ERROR << 16;
|
|
break;
|
|
}
|
|
|
|
cp->result = DID_OK << 16 | lscsi_status;
|
|
logit = 0;
|
|
|
|
/*
|
|
* Check to see if SCSI Status is non zero. If so report SCSI
|
|
* Status.
|
|
*/
|
|
if (lscsi_status != 0) {
|
|
if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) QUEUE FULL detected.\n",
|
|
vha->host_no, cp->device->id,
|
|
cp->device->lun));
|
|
logit = 1;
|
|
break;
|
|
}
|
|
if (lscsi_status != SS_CHECK_CONDITION)
|
|
break;
|
|
|
|
memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
|
|
if (!(scsi_status & SS_SENSE_LEN_VALID))
|
|
break;
|
|
|
|
qla2x00_handle_sense(sp, sense_data, par_sense_len,
|
|
sense_len, rsp);
|
|
}
|
|
break;
|
|
|
|
case CS_PORT_LOGGED_OUT:
|
|
case CS_PORT_CONFIG_CHG:
|
|
case CS_PORT_BUSY:
|
|
case CS_INCOMPLETE:
|
|
case CS_PORT_UNAVAILABLE:
|
|
case CS_TIMEOUT:
|
|
/*
|
|
* We are going to have the fc class block the rport
|
|
* while we try to recover so instruct the mid layer
|
|
* to requeue until the class decides how to handle this.
|
|
*/
|
|
cp->result = DID_TRANSPORT_DISRUPTED << 16;
|
|
|
|
if (comp_status == CS_TIMEOUT) {
|
|
if (IS_FWI2_CAPABLE(ha))
|
|
break;
|
|
else if ((le16_to_cpu(sts->status_flags) &
|
|
SF_LOGOUT_SENT) == 0)
|
|
break;
|
|
}
|
|
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) Port down status: port-state=0x%x\n",
|
|
vha->host_no, cp->device->id, cp->device->lun,
|
|
atomic_read(&fcport->state)));
|
|
|
|
if (atomic_read(&fcport->state) == FCS_ONLINE)
|
|
qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
|
|
break;
|
|
|
|
case CS_RESET:
|
|
cp->result = DID_TRANSPORT_DISRUPTED << 16;
|
|
break;
|
|
|
|
case CS_ABORTED:
|
|
cp->result = DID_RESET << 16;
|
|
break;
|
|
|
|
case CS_DIF_ERROR:
|
|
qla2x00_handle_dif_error(sp, sts24);
|
|
break;
|
|
default:
|
|
cp->result = DID_ERROR << 16;
|
|
break;
|
|
}
|
|
|
|
out:
|
|
if (logit)
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d) FCP command status: 0x%x-0x%x (0x%x) "
|
|
"oxid=0x%x ser=0x%lx cdb=%02x%02x%02x len=0x%x "
|
|
"rsp_info=0x%x resid=0x%x fw_resid=0x%x\n", vha->host_no,
|
|
cp->device->id, cp->device->lun, comp_status, scsi_status,
|
|
cp->result, ox_id, cp->serial_number, cp->cmnd[0],
|
|
cp->cmnd[1], cp->cmnd[2], scsi_bufflen(cp), rsp_info_len,
|
|
resid_len, fw_resid_len));
|
|
|
|
if (rsp->status_srb == NULL)
|
|
qla2x00_sp_compl(ha, sp);
|
|
}
|
|
|
|
/**
|
|
* qla2x00_status_cont_entry() - Process a Status Continuations entry.
|
|
* @ha: SCSI driver HA context
|
|
* @pkt: Entry pointer
|
|
*
|
|
* Extended sense data.
|
|
*/
|
|
static void
|
|
qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
|
|
{
|
|
uint8_t sense_sz = 0;
|
|
struct qla_hw_data *ha = rsp->hw;
|
|
srb_t *sp = rsp->status_srb;
|
|
struct scsi_cmnd *cp;
|
|
|
|
if (sp != NULL && sp->request_sense_length != 0) {
|
|
cp = sp->cmd;
|
|
if (cp == NULL) {
|
|
DEBUG2(printk("%s(): Cmd already returned back to OS "
|
|
"sp=%p.\n", __func__, sp));
|
|
qla_printk(KERN_INFO, ha,
|
|
"cmd is NULL: already returned to OS (sp=%p)\n",
|
|
sp);
|
|
|
|
rsp->status_srb = NULL;
|
|
return;
|
|
}
|
|
|
|
if (sp->request_sense_length > sizeof(pkt->data)) {
|
|
sense_sz = sizeof(pkt->data);
|
|
} else {
|
|
sense_sz = sp->request_sense_length;
|
|
}
|
|
|
|
/* Move sense data. */
|
|
if (IS_FWI2_CAPABLE(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));
|
|
|
|
sp->request_sense_ptr += sense_sz;
|
|
sp->request_sense_length -= sense_sz;
|
|
|
|
/* Place command on done queue. */
|
|
if (sp->request_sense_length == 0) {
|
|
rsp->status_srb = NULL;
|
|
qla2x00_sp_compl(ha, sp);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla2x00_error_entry() - Process an error entry.
|
|
* @ha: SCSI driver HA context
|
|
* @pkt: Entry pointer
|
|
*/
|
|
static void
|
|
qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
|
|
{
|
|
srb_t *sp;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
uint32_t handle = LSW(pkt->handle);
|
|
uint16_t que = MSW(pkt->handle);
|
|
struct req_que *req = ha->req_q_map[que];
|
|
#if defined(QL_DEBUG_LEVEL_2)
|
|
if (pkt->entry_status & RF_INV_E_ORDER)
|
|
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__);
|
|
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,
|
|
"%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__);
|
|
else if (pkt->entry_status & RF_BUSY)
|
|
qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__);
|
|
else
|
|
qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__);
|
|
#endif
|
|
|
|
/* Validate handle. */
|
|
if (handle < MAX_OUTSTANDING_COMMANDS)
|
|
sp = req->outstanding_cmds[handle];
|
|
else
|
|
sp = NULL;
|
|
|
|
if (sp) {
|
|
/* Free outstanding command slot. */
|
|
req->outstanding_cmds[handle] = NULL;
|
|
|
|
/* Bad payload or header */
|
|
if (pkt->entry_status &
|
|
(RF_INV_E_ORDER | RF_INV_E_COUNT |
|
|
RF_INV_E_PARAM | RF_INV_E_TYPE)) {
|
|
sp->cmd->result = DID_ERROR << 16;
|
|
} else if (pkt->entry_status & RF_BUSY) {
|
|
sp->cmd->result = DID_BUS_BUSY << 16;
|
|
} else {
|
|
sp->cmd->result = DID_ERROR << 16;
|
|
}
|
|
qla2x00_sp_compl(ha, sp);
|
|
|
|
} 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",
|
|
vha->host_no));
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Error entry - invalid handle\n");
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
qla2xxx_wake_dpc(vha);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla24xx_mbx_completion() - Process mailbox command completions.
|
|
* @ha: SCSI driver HA context
|
|
* @mb0: Mailbox0 register
|
|
*/
|
|
static void
|
|
qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
|
|
{
|
|
uint16_t cnt;
|
|
uint16_t __iomem *wptr;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
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__, vha->host_no, ha->mcp->mb[0]));
|
|
} else {
|
|
DEBUG2_3(printk("%s(%ld): MBX pointer ERROR!\n",
|
|
__func__, vha->host_no));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* qla24xx_process_response_queue() - Process response queue entries.
|
|
* @ha: SCSI driver HA context
|
|
*/
|
|
void qla24xx_process_response_queue(struct scsi_qla_host *vha,
|
|
struct rsp_que *rsp)
|
|
{
|
|
struct sts_entry_24xx *pkt;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
if (!vha->flags.online)
|
|
return;
|
|
|
|
while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
|
|
pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
|
|
|
|
rsp->ring_index++;
|
|
if (rsp->ring_index == rsp->length) {
|
|
rsp->ring_index = 0;
|
|
rsp->ring_ptr = rsp->ring;
|
|
} else {
|
|
rsp->ring_ptr++;
|
|
}
|
|
|
|
if (pkt->entry_status != 0) {
|
|
DEBUG3(printk(KERN_INFO
|
|
"scsi(%ld): Process error entry.\n", vha->host_no));
|
|
|
|
qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
|
|
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
|
|
wmb();
|
|
continue;
|
|
}
|
|
|
|
switch (pkt->entry_type) {
|
|
case STATUS_TYPE:
|
|
qla2x00_status_entry(vha, rsp, pkt);
|
|
break;
|
|
case STATUS_CONT_TYPE:
|
|
qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
|
|
break;
|
|
case VP_RPT_ID_IOCB_TYPE:
|
|
qla24xx_report_id_acquisition(vha,
|
|
(struct vp_rpt_id_entry_24xx *)pkt);
|
|
break;
|
|
case LOGINOUT_PORT_IOCB_TYPE:
|
|
qla24xx_logio_entry(vha, rsp->req,
|
|
(struct logio_entry_24xx *)pkt);
|
|
break;
|
|
case TSK_MGMT_IOCB_TYPE:
|
|
qla24xx_tm_iocb_entry(vha, rsp->req,
|
|
(struct tsk_mgmt_entry *)pkt);
|
|
break;
|
|
case CT_IOCB_TYPE:
|
|
qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
|
|
clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags);
|
|
break;
|
|
case ELS_IOCB_TYPE:
|
|
qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
|
|
break;
|
|
default:
|
|
/* Type Not Supported. */
|
|
DEBUG4(printk(KERN_WARNING
|
|
"scsi(%ld): Received unknown response pkt type %x "
|
|
"entry status=%x.\n",
|
|
vha->host_no, pkt->entry_type, pkt->entry_status));
|
|
break;
|
|
}
|
|
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
|
|
wmb();
|
|
}
|
|
|
|
/* Adjust ring index */
|
|
if (IS_QLA82XX(ha)) {
|
|
struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
|
|
WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index);
|
|
} else
|
|
WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
|
|
}
|
|
|
|
static void
|
|
qla2xxx_check_risc_status(scsi_qla_host_t *vha)
|
|
{
|
|
int rval;
|
|
uint32_t cnt;
|
|
struct qla_hw_data *ha = vha->hw;
|
|
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
|
|
|
|
if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
|
|
return;
|
|
|
|
rval = QLA_SUCCESS;
|
|
WRT_REG_DWORD(®->iobase_addr, 0x7C00);
|
|
RD_REG_DWORD(®->iobase_addr);
|
|
WRT_REG_DWORD(®->iobase_window, 0x0001);
|
|
for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
|
|
rval == QLA_SUCCESS; cnt--) {
|
|
if (cnt) {
|
|
WRT_REG_DWORD(®->iobase_window, 0x0001);
|
|
udelay(10);
|
|
} else
|
|
rval = QLA_FUNCTION_TIMEOUT;
|
|
}
|
|
if (rval == QLA_SUCCESS)
|
|
goto next_test;
|
|
|
|
WRT_REG_DWORD(®->iobase_window, 0x0003);
|
|
for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 &&
|
|
rval == QLA_SUCCESS; cnt--) {
|
|
if (cnt) {
|
|
WRT_REG_DWORD(®->iobase_window, 0x0003);
|
|
udelay(10);
|
|
} else
|
|
rval = QLA_FUNCTION_TIMEOUT;
|
|
}
|
|
if (rval != QLA_SUCCESS)
|
|
goto done;
|
|
|
|
next_test:
|
|
if (RD_REG_DWORD(®->iobase_c8) & BIT_3)
|
|
qla_printk(KERN_INFO, ha, "Additional code -- 0x55AA.\n");
|
|
|
|
done:
|
|
WRT_REG_DWORD(®->iobase_window, 0x0000);
|
|
RD_REG_DWORD(®->iobase_window);
|
|
}
|
|
|
|
/**
|
|
* qla24xx_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
|
|
qla24xx_intr_handler(int irq, void *dev_id)
|
|
{
|
|
scsi_qla_host_t *vha;
|
|
struct qla_hw_data *ha;
|
|
struct device_reg_24xx __iomem *reg;
|
|
int status;
|
|
unsigned long iter;
|
|
uint32_t stat;
|
|
uint32_t hccr;
|
|
uint16_t mb[4];
|
|
struct rsp_que *rsp;
|
|
unsigned long flags;
|
|
|
|
rsp = (struct rsp_que *) dev_id;
|
|
if (!rsp) {
|
|
printk(KERN_INFO
|
|
"%s(): NULL response queue pointer\n", __func__);
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
ha = rsp->hw;
|
|
reg = &ha->iobase->isp24;
|
|
status = 0;
|
|
|
|
if (unlikely(pci_channel_offline(ha->pdev)))
|
|
return IRQ_HANDLED;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
vha = pci_get_drvdata(ha->pdev);
|
|
for (iter = 50; iter--; ) {
|
|
stat = RD_REG_DWORD(®->host_status);
|
|
if (stat & HSRX_RISC_PAUSED) {
|
|
if (unlikely(pci_channel_offline(ha->pdev)))
|
|
break;
|
|
|
|
hccr = RD_REG_DWORD(®->hccr);
|
|
|
|
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
|
|
"Dumping firmware!\n", hccr);
|
|
|
|
qla2xxx_check_risc_status(vha);
|
|
|
|
ha->isp_ops->fw_dump(vha, 1);
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
break;
|
|
} else if ((stat & HSRX_RISC_INT) == 0)
|
|
break;
|
|
|
|
switch (stat & 0xff) {
|
|
case 0x1:
|
|
case 0x2:
|
|
case 0x10:
|
|
case 0x11:
|
|
qla24xx_mbx_completion(vha, MSW(stat));
|
|
status |= MBX_INTERRUPT;
|
|
|
|
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(vha, rsp, mb);
|
|
break;
|
|
case 0x13:
|
|
case 0x14:
|
|
qla24xx_process_response_queue(vha, rsp);
|
|
break;
|
|
default:
|
|
DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
|
|
"(%d).\n",
|
|
vha->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);
|
|
|
|
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
|
|
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
|
|
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
|
|
complete(&ha->mbx_intr_comp);
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t
|
|
qla24xx_msix_rsp_q(int irq, void *dev_id)
|
|
{
|
|
struct qla_hw_data *ha;
|
|
struct rsp_que *rsp;
|
|
struct device_reg_24xx __iomem *reg;
|
|
struct scsi_qla_host *vha;
|
|
unsigned long flags;
|
|
|
|
rsp = (struct rsp_que *) dev_id;
|
|
if (!rsp) {
|
|
printk(KERN_INFO
|
|
"%s(): NULL response queue pointer\n", __func__);
|
|
return IRQ_NONE;
|
|
}
|
|
ha = rsp->hw;
|
|
reg = &ha->iobase->isp24;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
|
|
vha = pci_get_drvdata(ha->pdev);
|
|
qla24xx_process_response_queue(vha, rsp);
|
|
if (!ha->flags.disable_msix_handshake) {
|
|
WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
|
|
RD_REG_DWORD_RELAXED(®->hccr);
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t
|
|
qla25xx_msix_rsp_q(int irq, void *dev_id)
|
|
{
|
|
struct qla_hw_data *ha;
|
|
struct rsp_que *rsp;
|
|
struct device_reg_24xx __iomem *reg;
|
|
unsigned long flags;
|
|
|
|
rsp = (struct rsp_que *) dev_id;
|
|
if (!rsp) {
|
|
printk(KERN_INFO
|
|
"%s(): NULL response queue pointer\n", __func__);
|
|
return IRQ_NONE;
|
|
}
|
|
ha = rsp->hw;
|
|
|
|
/* Clear the interrupt, if enabled, for this response queue */
|
|
if (rsp->options & ~BIT_6) {
|
|
reg = &ha->iobase->isp24;
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
|
|
RD_REG_DWORD_RELAXED(®->hccr);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t
|
|
qla24xx_msix_default(int irq, void *dev_id)
|
|
{
|
|
scsi_qla_host_t *vha;
|
|
struct qla_hw_data *ha;
|
|
struct rsp_que *rsp;
|
|
struct device_reg_24xx __iomem *reg;
|
|
int status;
|
|
uint32_t stat;
|
|
uint32_t hccr;
|
|
uint16_t mb[4];
|
|
unsigned long flags;
|
|
|
|
rsp = (struct rsp_que *) dev_id;
|
|
if (!rsp) {
|
|
DEBUG(printk(
|
|
"%s(): NULL response queue pointer\n", __func__));
|
|
return IRQ_NONE;
|
|
}
|
|
ha = rsp->hw;
|
|
reg = &ha->iobase->isp24;
|
|
status = 0;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
vha = pci_get_drvdata(ha->pdev);
|
|
do {
|
|
stat = RD_REG_DWORD(®->host_status);
|
|
if (stat & HSRX_RISC_PAUSED) {
|
|
if (unlikely(pci_channel_offline(ha->pdev)))
|
|
break;
|
|
|
|
hccr = RD_REG_DWORD(®->hccr);
|
|
|
|
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
|
|
"Dumping firmware!\n", hccr);
|
|
|
|
qla2xxx_check_risc_status(vha);
|
|
|
|
ha->isp_ops->fw_dump(vha, 1);
|
|
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
|
|
break;
|
|
} else if ((stat & HSRX_RISC_INT) == 0)
|
|
break;
|
|
|
|
switch (stat & 0xff) {
|
|
case 0x1:
|
|
case 0x2:
|
|
case 0x10:
|
|
case 0x11:
|
|
qla24xx_mbx_completion(vha, MSW(stat));
|
|
status |= MBX_INTERRUPT;
|
|
|
|
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(vha, rsp, mb);
|
|
break;
|
|
case 0x13:
|
|
case 0x14:
|
|
qla24xx_process_response_queue(vha, rsp);
|
|
break;
|
|
default:
|
|
DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
|
|
"(%d).\n",
|
|
vha->host_no, stat & 0xff));
|
|
break;
|
|
}
|
|
WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
|
|
} while (0);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
|
|
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
|
|
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
|
|
complete(&ha->mbx_intr_comp);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
/* Interrupt handling helpers. */
|
|
|
|
struct qla_init_msix_entry {
|
|
const char *name;
|
|
irq_handler_t handler;
|
|
};
|
|
|
|
static struct qla_init_msix_entry msix_entries[3] = {
|
|
{ "qla2xxx (default)", qla24xx_msix_default },
|
|
{ "qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
|
|
{ "qla2xxx (multiq)", qla25xx_msix_rsp_q },
|
|
};
|
|
|
|
static struct qla_init_msix_entry qla82xx_msix_entries[2] = {
|
|
{ "qla2xxx (default)", qla82xx_msix_default },
|
|
{ "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
|
|
};
|
|
|
|
static void
|
|
qla24xx_disable_msix(struct qla_hw_data *ha)
|
|
{
|
|
int i;
|
|
struct qla_msix_entry *qentry;
|
|
|
|
for (i = 0; i < ha->msix_count; i++) {
|
|
qentry = &ha->msix_entries[i];
|
|
if (qentry->have_irq)
|
|
free_irq(qentry->vector, qentry->rsp);
|
|
}
|
|
pci_disable_msix(ha->pdev);
|
|
kfree(ha->msix_entries);
|
|
ha->msix_entries = NULL;
|
|
ha->flags.msix_enabled = 0;
|
|
}
|
|
|
|
static int
|
|
qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
|
|
{
|
|
#define MIN_MSIX_COUNT 2
|
|
int i, ret;
|
|
struct msix_entry *entries;
|
|
struct qla_msix_entry *qentry;
|
|
|
|
entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count,
|
|
GFP_KERNEL);
|
|
if (!entries)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < ha->msix_count; i++)
|
|
entries[i].entry = i;
|
|
|
|
ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
|
|
if (ret) {
|
|
if (ret < MIN_MSIX_COUNT)
|
|
goto msix_failed;
|
|
|
|
qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Failed to enable support -- %d/%d\n"
|
|
" Retry with %d vectors\n", ha->msix_count, ret, ret);
|
|
ha->msix_count = ret;
|
|
ret = pci_enable_msix(ha->pdev, entries, ha->msix_count);
|
|
if (ret) {
|
|
msix_failed:
|
|
qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable"
|
|
" support, giving up -- %d/%d\n",
|
|
ha->msix_count, ret);
|
|
goto msix_out;
|
|
}
|
|
ha->max_rsp_queues = ha->msix_count - 1;
|
|
}
|
|
ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) *
|
|
ha->msix_count, GFP_KERNEL);
|
|
if (!ha->msix_entries) {
|
|
ret = -ENOMEM;
|
|
goto msix_out;
|
|
}
|
|
ha->flags.msix_enabled = 1;
|
|
|
|
for (i = 0; i < ha->msix_count; i++) {
|
|
qentry = &ha->msix_entries[i];
|
|
qentry->vector = entries[i].vector;
|
|
qentry->entry = entries[i].entry;
|
|
qentry->have_irq = 0;
|
|
qentry->rsp = NULL;
|
|
}
|
|
|
|
/* Enable MSI-X vectors for the base queue */
|
|
for (i = 0; i < 2; i++) {
|
|
qentry = &ha->msix_entries[i];
|
|
if (IS_QLA82XX(ha)) {
|
|
ret = request_irq(qentry->vector,
|
|
qla82xx_msix_entries[i].handler,
|
|
0, qla82xx_msix_entries[i].name, rsp);
|
|
} else {
|
|
ret = request_irq(qentry->vector,
|
|
msix_entries[i].handler,
|
|
0, msix_entries[i].name, rsp);
|
|
}
|
|
if (ret) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Unable to register handler -- %x/%d.\n",
|
|
qentry->vector, ret);
|
|
qla24xx_disable_msix(ha);
|
|
ha->mqenable = 0;
|
|
goto msix_out;
|
|
}
|
|
qentry->have_irq = 1;
|
|
qentry->rsp = rsp;
|
|
rsp->msix = qentry;
|
|
}
|
|
|
|
/* Enable MSI-X vector for response queue update for queue 0 */
|
|
if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1))
|
|
ha->mqenable = 1;
|
|
|
|
msix_out:
|
|
kfree(entries);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
|
|
{
|
|
int ret;
|
|
device_reg_t __iomem *reg = ha->iobase;
|
|
|
|
/* If possible, enable MSI-X. */
|
|
if (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
|
|
!IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha))
|
|
goto skip_msi;
|
|
|
|
if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
|
|
(ha->pdev->subsystem_device == 0x7040 ||
|
|
ha->pdev->subsystem_device == 0x7041 ||
|
|
ha->pdev->subsystem_device == 0x1705)) {
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n",
|
|
ha->pdev->subsystem_vendor,
|
|
ha->pdev->subsystem_device));
|
|
goto skip_msi;
|
|
}
|
|
|
|
if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX ||
|
|
!QLA_MSIX_FW_MODE_1(ha->fw_attributes))) {
|
|
DEBUG2(qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
|
|
ha->pdev->revision, ha->fw_attributes));
|
|
goto skip_msix;
|
|
}
|
|
|
|
ret = qla24xx_enable_msix(ha, rsp);
|
|
if (!ret) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha,
|
|
"MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision,
|
|
ha->fw_attributes));
|
|
goto clear_risc_ints;
|
|
}
|
|
qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Falling back-to MSI mode -- %d.\n", ret);
|
|
skip_msix:
|
|
|
|
if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
|
|
!IS_QLA8001(ha))
|
|
goto skip_msi;
|
|
|
|
ret = pci_enable_msi(ha->pdev);
|
|
if (!ret) {
|
|
DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
|
|
ha->flags.msi_enabled = 1;
|
|
} else
|
|
qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Falling back-to INTa mode -- %d.\n", ret);
|
|
skip_msi:
|
|
|
|
ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
|
|
IRQF_SHARED, QLA2XXX_DRIVER_NAME, rsp);
|
|
if (ret) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Failed to reserve interrupt %d already in use.\n",
|
|
ha->pdev->irq);
|
|
goto fail;
|
|
}
|
|
ha->flags.inta_enabled = 1;
|
|
clear_risc_ints:
|
|
|
|
/*
|
|
* FIXME: Noted that 8014s were being dropped during NK testing.
|
|
* Timing deltas during MSI-X/INTa transitions?
|
|
*/
|
|
if (IS_QLA81XX(ha) || IS_QLA82XX(ha))
|
|
goto fail;
|
|
spin_lock_irq(&ha->hardware_lock);
|
|
if (IS_FWI2_CAPABLE(ha)) {
|
|
WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
|
|
WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
|
|
} else {
|
|
WRT_REG_WORD(®->isp.semaphore, 0);
|
|
WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
|
|
WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
|
|
}
|
|
spin_unlock_irq(&ha->hardware_lock);
|
|
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
qla2x00_free_irqs(scsi_qla_host_t *vha)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
struct rsp_que *rsp = ha->rsp_q_map[0];
|
|
|
|
if (ha->flags.msix_enabled)
|
|
qla24xx_disable_msix(ha);
|
|
else if (ha->flags.msi_enabled) {
|
|
free_irq(ha->pdev->irq, rsp);
|
|
pci_disable_msi(ha->pdev);
|
|
} else
|
|
free_irq(ha->pdev->irq, rsp);
|
|
}
|
|
|
|
|
|
int qla25xx_request_irq(struct rsp_que *rsp)
|
|
{
|
|
struct qla_hw_data *ha = rsp->hw;
|
|
struct qla_init_msix_entry *intr = &msix_entries[2];
|
|
struct qla_msix_entry *msix = rsp->msix;
|
|
int ret;
|
|
|
|
ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp);
|
|
if (ret) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"MSI-X: Unable to register handler -- %x/%d.\n",
|
|
msix->vector, ret);
|
|
return ret;
|
|
}
|
|
msix->have_irq = 1;
|
|
msix->rsp = rsp;
|
|
return ret;
|
|
}
|