[SCSI] qla2xxx: Add asynchronous-login support.
ISPs which support this feature include 23xx and above.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 74fa6f9..c0fec6914 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -919,6 +919,249 @@
}
}
+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;
+ struct qla_hw_data *ha = vha->hw;
+ fc_port_t *fcport;
+ srb_t *sp;
+ struct srb_logio *lio;
+ uint16_t data[2];
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
+ if (!sp)
+ return;
+
+ type = NULL;
+ lio = sp->ctx;
+ switch (lio->ctx.type) {
+ case SRB_LOGIN_CMD:
+ type = "login";
+ break;
+ case SRB_LOGOUT_CMD:
+ type = "logout";
+ break;
+ default:
+ qla_printk(KERN_WARNING, ha,
+ "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
+ lio->ctx.type);
+ return;
+ }
+
+ del_timer(&lio->ctx.timer);
+ fcport = sp->fcport;
+
+ data[0] = data[1] = 0;
+ if (mbx->entry_status) {
+ DEBUG2(printk(KERN_WARNING
+ "scsi(%ld:%x): Async-%s error entry - entry-status=%x "
+ "status=%x state-flag=%x status-flags=%x.\n",
+ fcport->vha->host_no, sp->handle, type,
+ 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)));
+
+ data[0] = MBS_COMMAND_ERROR;
+ data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+ QLA_LOGIO_LOGIN_RETRIED: 0;
+ goto done_post_logio_done_work;
+ }
+
+ if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
+ DEBUG2(printk(KERN_DEBUG
+ "scsi(%ld:%x): Async-%s complete - mbx1=%x.\n",
+ fcport->vha->host_no, sp->handle, type,
+ le16_to_cpu(mbx->mb1)));
+
+ data[0] = MBS_COMMAND_COMPLETE;
+ if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1)
+ fcport->flags |= FCF_TAPE_PRESENT;
+
+ goto done_post_logio_done_work;
+ }
+
+ 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;
+ data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+ QLA_LOGIO_LOGIN_RETRIED: 0;
+ break;
+ }
+
+ DEBUG2(printk(KERN_WARNING
+ "scsi(%ld:%x): Async-%s failed - status=%x mb0=%x mb1=%x mb2=%x "
+ "mb6=%x mb7=%x.\n",
+ fcport->vha->host_no, sp->handle, type, le16_to_cpu(mbx->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)));
+
+done_post_logio_done_work:
+ lio->ctx.type == SRB_LOGIN_CMD ?
+ qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
+ qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
+
+ lio->ctx.free(sp);
+}
+
+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;
+ struct qla_hw_data *ha = vha->hw;
+ fc_port_t *fcport;
+ srb_t *sp;
+ struct srb_logio *lio;
+ uint16_t data[2];
+ uint32_t iop[2];
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
+ if (!sp)
+ return;
+
+ type = NULL;
+ lio = sp->ctx;
+ switch (lio->ctx.type) {
+ case SRB_LOGIN_CMD:
+ type = "login";
+ break;
+ case SRB_LOGOUT_CMD:
+ type = "logout";
+ break;
+ default:
+ qla_printk(KERN_WARNING, ha,
+ "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
+ lio->ctx.type);
+ return;
+ }
+
+ del_timer(&lio->ctx.timer);
+ fcport = sp->fcport;
+
+ data[0] = data[1] = 0;
+ if (logio->entry_status) {
+ DEBUG2(printk(KERN_WARNING
+ "scsi(%ld:%x): Async-%s error entry - entry-status=%x.\n",
+ fcport->vha->host_no, sp->handle, type,
+ logio->entry_status));
+ DEBUG2(qla2x00_dump_buffer((uint8_t *)logio, sizeof(*logio)));
+
+ data[0] = MBS_COMMAND_ERROR;
+ data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+ QLA_LOGIO_LOGIN_RETRIED: 0;
+ goto done_post_logio_done_work;
+ }
+
+ if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
+ DEBUG2(printk(KERN_DEBUG
+ "scsi(%ld:%x): Async-%s complete - iop0=%x.\n",
+ fcport->vha->host_no, sp->handle, type,
+ le32_to_cpu(logio->io_parameter[0])));
+
+ data[0] = MBS_COMMAND_COMPLETE;
+ if (lio->ctx.type == SRB_LOGOUT_CMD)
+ goto done_post_logio_done_work;
+
+ 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_TAPE_PRESENT;
+ }
+ 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 done_post_logio_done_work;
+ }
+
+ 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;
+ data[1] = lio->flags & SRB_LOGIN_RETRIED ?
+ QLA_LOGIO_LOGIN_RETRIED: 0;
+ break;
+ }
+
+ DEBUG2(printk(KERN_WARNING
+ "scsi(%ld:%x): Async-%s failed - comp=%x iop0=%x iop1=%x.\n",
+ fcport->vha->host_no, sp->handle, type,
+ le16_to_cpu(logio->comp_status),
+ le32_to_cpu(logio->io_parameter[0]),
+ le32_to_cpu(logio->io_parameter[1])));
+
+done_post_logio_done_work:
+ lio->ctx.type == SRB_LOGIN_CMD ?
+ qla2x00_post_async_login_done_work(fcport->vha, fcport, data):
+ qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);
+
+ lio->ctx.free(sp);
+}
+
/**
* qla2x00_process_response_queue() - Process response queue entries.
* @ha: SCSI driver HA context
@@ -980,6 +1223,9 @@
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);
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING
@@ -1590,6 +1836,10 @@
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;
default:
/* Type Not Supported. */
DEBUG4(printk(KERN_WARNING