#include "qla_def.h"
#include <linux/delay.h>
#include <linux/pci.h>
+#include <scsi/scsi_tcq.h>
#define MASK(n) ((1ULL<<(n))-1)
#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
*dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
*dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
- *dsd_seg++ = dsd_list_len;
+ cmd_pkt->fcp_data_dseg_len = dsd_list_len;
} else {
*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
* qla82xx_start_scsi() - Send a SCSI command to the ISP
* @sp: command to send to the ISP
*
- * Returns non-zero if a failure occured, else zero.
+ * Returns non-zero if a failure occurred, else zero.
*/
int
qla82xx_start_scsi(srb_t *sp)
struct qla_hw_data *ha = vha->hw;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
+ char tag[2];
/* Setup device pointers. */
ret = 0;
int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
+ /*
+ * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
+ */
+ if (scsi_populate_tag_msg(cmd, tag)) {
+ switch (tag[0]) {
+ case HEAD_OF_QUEUE_TAG:
+ ctx->fcp_cmnd->task_attribute =
+ TSK_HEAD_OF_QUEUE;
+ break;
+ case ORDERED_QUEUE_TAG:
+ ctx->fcp_cmnd->task_attribute =
+ TSK_ORDERED;
+ break;
+ }
+ }
+
/* build FCP_CMND IU */
memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
sizeof(cmd_pkt->lun));
+ /*
+ * Update tagged queuing modifier -- default is TSK_SIMPLE (0).
+ */
+ if (scsi_populate_tag_msg(cmd, tag)) {
+ switch (tag[0]) {
+ case HEAD_OF_QUEUE_TAG:
+ cmd_pkt->task = TSK_HEAD_OF_QUEUE;
+ break;
+ case ORDERED_QUEUE_TAG:
+ cmd_pkt->task = TSK_ORDERED;
+ break;
+ }
+ }
+
/* Load SCSI command packet. */
memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
}
}
-static void
+int
qla82xx_check_fw_alive(scsi_qla_host_t *vha)
{
- uint32_t fw_heartbeat_counter, halt_status;
- struct qla_hw_data *ha = vha->hw;
+ uint32_t fw_heartbeat_counter;
+ int status = 0;
- fw_heartbeat_counter = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+ fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
+ QLA82XX_PEG_ALIVE_COUNTER);
/* all 0xff, assume AER/EEH in progress, ignore */
if (fw_heartbeat_counter == 0xffffffff)
- return;
+ return status;
if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
vha->seconds_since_last_heartbeat++;
/* FW not alive after 2 seconds */
if (vha->seconds_since_last_heartbeat == 2) {
vha->seconds_since_last_heartbeat = 0;
- halt_status = qla82xx_rd_32(ha,
- QLA82XX_PEG_HALT_STATUS1);
- if (halt_status & HALT_STATUS_UNRECOVERABLE) {
- set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
- } else {
- qla_printk(KERN_INFO, ha,
- "scsi(%ld): %s - detect abort needed\n",
- vha->host_no, __func__);
- set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- }
- qla2xxx_wake_dpc(vha);
- ha->flags.fw_hung = 1;
- if (ha->flags.mbox_busy) {
- ha->flags.mbox_int = 1;
- DEBUG2(qla_printk(KERN_ERR, ha,
- "Due to fw hung, doing premature "
- "completion of mbx command\n"));
- if (test_bit(MBX_INTR_WAIT,
- &ha->mbx_cmd_flags))
- complete(&ha->mbx_intr_comp);
- }
+ status = 1;
}
} else
vha->seconds_since_last_heartbeat = 0;
vha->fw_heartbeat_counter = fw_heartbeat_counter;
+ return status;
}
/*
break;
case QLA82XX_DEV_NEED_RESET:
qla82xx_need_reset_handler(vha);
+ dev_init_timeout = jiffies +
+ (ha->nx_dev_init_timeout * HZ);
break;
case QLA82XX_DEV_NEED_QUIESCENT:
qla82xx_need_qsnt_handler(vha);
void qla82xx_watchdog(scsi_qla_host_t *vha)
{
- uint32_t dev_state;
+ uint32_t dev_state, halt_status;
struct qla_hw_data *ha = vha->hw;
- dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
-
/* don't poll if reset is going on */
- if (!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
- test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
- test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))) {
- if (dev_state == QLA82XX_DEV_NEED_RESET) {
+ if (!ha->flags.isp82xx_reset_hdlr_active) {
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ if (dev_state == QLA82XX_DEV_NEED_RESET &&
+ !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
qla_printk(KERN_WARNING, ha,
- "%s(): Adapter reset needed!\n", __func__);
+ "%s(): Adapter reset needed!\n", __func__);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
- ha->flags.fw_hung = 1;
- if (ha->flags.mbox_busy) {
- ha->flags.mbox_int = 1;
- DEBUG2(qla_printk(KERN_ERR, ha,
- "Need reset, doing premature "
- "completion of mbx command\n"));
- if (test_bit(MBX_INTR_WAIT,
- &ha->mbx_cmd_flags))
- complete(&ha->mbx_intr_comp);
- }
} else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
!test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
DEBUG(qla_printk(KERN_INFO, ha,
qla2xxx_wake_dpc(vha);
} else {
qla82xx_check_fw_alive(vha);
+ if (qla82xx_check_fw_alive(vha)) {
+ halt_status = qla82xx_rd_32(ha,
+ QLA82XX_PEG_HALT_STATUS1);
+ if (halt_status & HALT_STATUS_UNRECOVERABLE) {
+ set_bit(ISP_UNRECOVERABLE,
+ &vha->dpc_flags);
+ } else {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld): %s - detect abort needed\n",
+ vha->host_no, __func__);
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ }
+ qla2xxx_wake_dpc(vha);
+ ha->flags.isp82xx_fw_hung = 1;
+ if (ha->flags.mbox_busy) {
+ ha->flags.mbox_int = 1;
+ DEBUG2(qla_printk(KERN_ERR, ha,
+ "Due to fw hung, doing premature "
+ "completion of mbx command\n"));
+ if (test_bit(MBX_INTR_WAIT,
+ &ha->mbx_cmd_flags))
+ complete(&ha->mbx_intr_comp);
+ }
+ }
}
}
}
"Exiting.\n", __func__, vha->host_no);
return QLA_SUCCESS;
}
+ ha->flags.isp82xx_reset_hdlr_active = 1;
qla82xx_idc_lock(ha);
dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
qla82xx_idc_unlock(ha);
if (rval == QLA_SUCCESS) {
- ha->flags.fw_hung = 0;
+ ha->flags.isp82xx_fw_hung = 0;
+ ha->flags.isp82xx_reset_hdlr_active = 0;
qla82xx_restart_isp(vha);
}
return status;
}
+
+void
+qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
+{
+ int i;
+ unsigned long flags;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Check if 82XX firmware is alive or not
+ * We may have arrived here from NEED_RESET
+ * detection only
+ */
+ if (!ha->flags.isp82xx_fw_hung) {
+ for (i = 0; i < 2; i++) {
+ msleep(1000);
+ if (qla82xx_check_fw_alive(vha)) {
+ ha->flags.isp82xx_fw_hung = 1;
+ if (ha->flags.mbox_busy) {
+ ha->flags.mbox_int = 1;
+ complete(&ha->mbx_intr_comp);
+ }
+ break;
+ }
+ }
+ }
+
+ /* Abort all commands gracefully if fw NOT hung */
+ if (!ha->flags.isp82xx_fw_hung) {
+ int cnt, que;
+ srb_t *sp;
+ struct req_que *req;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (que = 0; que < ha->max_req_queues; que++) {
+ req = ha->req_q_map[que];
+ if (!req)
+ continue;
+ for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
+ sp = req->outstanding_cmds[cnt];
+ if (sp) {
+ if (!sp->ctx ||
+ (sp->flags & SRB_FCP_CMND_DMA_VALID)) {
+ spin_unlock_irqrestore(
+ &ha->hardware_lock, flags);
+ if (ha->isp_ops->abort_command(sp)) {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld): mbx abort command failed in %s\n",
+ vha->host_no, __func__);
+ } else {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld): mbx abort command success in %s\n",
+ vha->host_no, __func__);
+ }
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ }
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ /* Wait for pending cmds (physical and virtual) to complete */
+ if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
+ WAIT_HOST) == QLA_SUCCESS) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "Done wait for pending commands\n"));
+ }
+ }
+}
git.openpandora.org / pandora-kernel.git / blobdiff