diff options
author | Vikas Chaudhary <vikas.chaudhary@qlogic.com> | 2012-08-22 07:55:04 -0400 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 12:11:07 +0400 |
commit | 33693c7aab43958906941a98f3947d66f4277e03 (patch) | |
tree | 922187fa54e8a74d18332b14b4def36f01e70775 /drivers/scsi/qla4xxx/ql4_mbx.c | |
parent | c38fa3abea1df01c5692e8b5aa16dd0c66497419 (diff) | |
download | talos-obmc-linux-33693c7aab43958906941a98f3947d66f4277e03.tar.gz talos-obmc-linux-33693c7aab43958906941a98f3947d66f4277e03.zip |
[SCSI] qla4xxx: Added new functions in isp_ops
Signed-off-by: Poornima Vonti <poornima.vonti@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r-- | drivers/scsi/qla4xxx/ql4_mbx.c | 96 |
1 files changed, 37 insertions, 59 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index ea08e527faf7..73324fba64bc 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -10,6 +10,37 @@ #include "ql4_dbg.h" #include "ql4_inline.h" +void qla4xxx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd, + int in_count) +{ + int i; + + /* Load all mailbox registers, except mailbox 0. */ + for (i = 1; i < in_count; i++) + writel(mbx_cmd[i], &ha->reg->mailbox[i]); + + /* Wakeup firmware */ + writel(mbx_cmd[0], &ha->reg->mailbox[0]); + readl(&ha->reg->mailbox[0]); + writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status); + readl(&ha->reg->ctrl_status); +} + +void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count) +{ + int intr_status; + + intr_status = readl(&ha->reg->ctrl_status); + if (intr_status & INTR_PENDING) { + /* + * Service the interrupt. + * The ISR will save the mailbox status registers + * to a temporary storage location in the adapter structure. + */ + ha->mbox_status_count = out_count; + ha->isp_ops->interrupt_service_routine(ha, intr_status); + } +} /** * qla4xxx_mailbox_command - issues mailbox commands @@ -30,7 +61,6 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, int status = QLA_ERROR; uint8_t i; u_long wait_count; - uint32_t intr_status; unsigned long flags = 0; uint32_t dev_state; @@ -85,9 +115,9 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, goto mbox_exit; } /* Do not send any mbx cmd if h/w is in failed state*/ - qla4_82xx_idc_lock(ha); - dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); - qla4_82xx_idc_unlock(ha); + ha->isp_ops->idc_lock(ha); + dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); + ha->isp_ops->idc_unlock(ha); if (dev_state == QLA8XXX_DEV_FAILED) { ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n", @@ -102,30 +132,8 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, for (i = 0; i < outCount; i++) ha->mbox_status[i] = 0; - if (is_qla8022(ha)) { - /* Load all mailbox registers, except mailbox 0. */ - DEBUG5( - printk("scsi%ld: %s: Cmd ", ha->host_no, __func__); - for (i = 0; i < inCount; i++) - printk("mb%d=%04x ", i, mbx_cmd[i]); - printk("\n")); - - for (i = 1; i < inCount; i++) - writel(mbx_cmd[i], &ha->qla4_82xx_reg->mailbox_in[i]); - writel(mbx_cmd[0], &ha->qla4_82xx_reg->mailbox_in[0]); - readl(&ha->qla4_82xx_reg->mailbox_in[0]); - writel(HINT_MBX_INT_PENDING, &ha->qla4_82xx_reg->hint); - } else { - /* Load all mailbox registers, except mailbox 0. */ - for (i = 1; i < inCount; i++) - writel(mbx_cmd[i], &ha->reg->mailbox[i]); - - /* Wakeup firmware */ - writel(mbx_cmd[0], &ha->reg->mailbox[0]); - readl(&ha->reg->mailbox[0]); - writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status); - readl(&ha->reg->ctrl_status); - } + /* Queue the mailbox command to the firmware */ + ha->isp_ops->queue_mailbox_command(ha, mbx_cmd, inCount); spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -167,37 +175,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, */ spin_lock_irqsave(&ha->hardware_lock, flags); - if (is_qla8022(ha)) { - intr_status = - readl(&ha->qla4_82xx_reg->host_int); - if (intr_status & ISRX_82XX_RISC_INT) { - ha->mbox_status_count = outCount; - intr_status = - readl(&ha->qla4_82xx_reg->host_status); - ha->isp_ops->interrupt_service_routine( - ha, intr_status); - if (test_bit(AF_INTERRUPTS_ON, - &ha->flags) && - test_bit(AF_INTx_ENABLED, - &ha->flags)) - qla4_82xx_wr_32(ha, - ha->nx_legacy_intr.tgt_mask_reg, - 0xfbff); - } - } else { - intr_status = readl(&ha->reg->ctrl_status); - if (intr_status & INTR_PENDING) { - /* - * Service the interrupt. - * The ISR will save the mailbox status - * registers to a temporary storage - * location in the adapter structure. - */ - ha->mbox_status_count = outCount; - ha->isp_ops->interrupt_service_routine( - ha, intr_status); - } - } + ha->isp_ops->process_mailbox_interrupt(ha, outCount); spin_unlock_irqrestore(&ha->hardware_lock, flags); msleep(10); } |