3 static void ql_display_mb_sts(struct ql_adapter *qdev,
4 struct mbox_params *mbcp)
7 static char *err_sts[] = {
9 "Command Not Supported",
10 "Host Interface Error",
12 "Unused Completion Status",
14 "Command Parameter Error"};
16 QPRINTK(qdev, DRV, DEBUG, "%s.\n",
17 err_sts[mbcp->mbox_out[0] & 0x0000000f]);
18 for (i = 0; i < mbcp->out_count; i++)
19 QPRINTK(qdev, DRV, DEBUG, "mbox_out[%d] = 0x%.08x.\n",
20 i, mbcp->mbox_out[i]);
23 int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
26 /* wait for reg to come ready */
27 status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
30 /* set up for reg read */
31 ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R);
32 /* wait for reg to come ready */
33 status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
37 *data = ql_read32(qdev, PROC_DATA);
42 int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data)
45 /* wait for reg to come ready */
46 status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
49 /* write the data to the data reg */
50 ql_write32(qdev, PROC_DATA, data);
51 /* trigger the write */
52 ql_write32(qdev, PROC_ADDR, reg);
53 /* wait for reg to come ready */
54 status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
61 int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
64 status = ql_write_mpi_reg(qdev, 0x00001010, 1);
68 static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
72 status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
75 for (i = 0; i < mbcp->out_count; i++) {
77 ql_read_mpi_reg(qdev, qdev->mailbox_out + i,
80 QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n");
84 ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */
88 /* Wait for a single mailbox command to complete.
89 * Returns zero on success.
91 static int ql_wait_mbx_cmd_cmplt(struct ql_adapter *qdev)
97 value = ql_read32(qdev, STS);
100 mdelay(UDELAY_DELAY); /* 100ms */
105 /* Execute a single mailbox command.
106 * Caller must hold PROC_ADDR semaphore.
108 static int ql_exec_mb_cmd(struct ql_adapter *qdev, struct mbox_params *mbcp)
113 * Make sure there's nothing pending.
114 * This shouldn't happen.
116 if (ql_read32(qdev, CSR) & CSR_HRI)
119 status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
124 * Fill the outbound mailboxes.
126 for (i = 0; i < mbcp->in_count; i++) {
127 status = ql_write_mpi_reg(qdev, qdev->mailbox_in + i,
133 * Wake up the MPI firmware.
135 ql_write32(qdev, CSR, CSR_CMD_SET_H2R_INT);
137 ql_sem_unlock(qdev, SEM_PROC_REG_MASK);
141 /* We are being asked by firmware to accept
142 * a change to the port. This is only
143 * a change to max frame sizes (Tx/Rx), pause
144 * parameters, or loopback mode. We wake up a worker
145 * to handler processing this since a mailbox command
146 * will need to be sent to ACK the request.
148 static int ql_idc_req_aen(struct ql_adapter *qdev)
151 struct mbox_params *mbcp = &qdev->idc_mbc;
153 QPRINTK(qdev, DRV, ERR, "Enter!\n");
154 /* Get the status data and start up a thread to
155 * handle the request.
157 mbcp = &qdev->idc_mbc;
159 status = ql_get_mb_sts(qdev, mbcp);
161 QPRINTK(qdev, DRV, ERR,
162 "Could not read MPI, resetting ASIC!\n");
163 ql_queue_asic_error(qdev);
165 /* Begin polled mode early so
166 * we don't get another interrupt
167 * when we leave mpi_worker.
169 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
170 queue_delayed_work(qdev->workqueue, &qdev->mpi_idc_work, 0);
175 /* Process an inter-device event completion.
176 * If good, signal the caller's completion.
178 static int ql_idc_cmplt_aen(struct ql_adapter *qdev)
181 struct mbox_params *mbcp = &qdev->idc_mbc;
183 status = ql_get_mb_sts(qdev, mbcp);
185 QPRINTK(qdev, DRV, ERR,
186 "Could not read MPI, resetting RISC!\n");
187 ql_queue_fw_error(qdev);
189 /* Wake up the sleeping mpi_idc_work thread that is
190 * waiting for this event.
192 complete(&qdev->ide_completion);
197 static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp)
202 status = ql_get_mb_sts(qdev, mbcp);
204 QPRINTK(qdev, DRV, ERR,
205 "%s: Could not get mailbox status.\n", __func__);
209 qdev->link_status = mbcp->mbox_out[1];
210 QPRINTK(qdev, DRV, ERR, "Link Up.\n");
212 /* If we're coming back from an IDC event
213 * then set up the CAM and frame routing.
215 if (test_bit(QL_CAM_RT_SET, &qdev->flags)) {
216 status = ql_cam_route_initialize(qdev);
218 QPRINTK(qdev, IFUP, ERR,
219 "Failed to init CAM/Routing tables.\n");
222 clear_bit(QL_CAM_RT_SET, &qdev->flags);
225 /* Queue up a worker to check the frame
226 * size information, and fix it if it's not
229 if (!test_bit(QL_PORT_CFG, &qdev->flags)) {
230 QPRINTK(qdev, DRV, ERR, "Queue Port Config Worker!\n");
231 set_bit(QL_PORT_CFG, &qdev->flags);
232 /* Begin polled mode early so
233 * we don't get another interrupt
234 * when we leave mpi_worker dpc.
236 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
237 queue_delayed_work(qdev->workqueue,
238 &qdev->mpi_port_cfg_work, 0);
244 static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp)
250 status = ql_get_mb_sts(qdev, mbcp);
252 QPRINTK(qdev, DRV, ERR, "Link down AEN broken!\n");
257 static int ql_sfp_in(struct ql_adapter *qdev, struct mbox_params *mbcp)
263 status = ql_get_mb_sts(qdev, mbcp);
265 QPRINTK(qdev, DRV, ERR, "SFP in AEN broken!\n");
267 QPRINTK(qdev, DRV, ERR, "SFP insertion detected.\n");
272 static int ql_sfp_out(struct ql_adapter *qdev, struct mbox_params *mbcp)
278 status = ql_get_mb_sts(qdev, mbcp);
280 QPRINTK(qdev, DRV, ERR, "SFP out AEN broken!\n");
282 QPRINTK(qdev, DRV, ERR, "SFP removal detected.\n");
287 static int ql_aen_lost(struct ql_adapter *qdev, struct mbox_params *mbcp)
293 status = ql_get_mb_sts(qdev, mbcp);
295 QPRINTK(qdev, DRV, ERR, "Lost AEN broken!\n");
298 QPRINTK(qdev, DRV, ERR, "Lost AEN detected.\n");
299 for (i = 0; i < mbcp->out_count; i++)
300 QPRINTK(qdev, DRV, ERR, "mbox_out[%d] = 0x%.08x.\n",
301 i, mbcp->mbox_out[i]);
308 static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp)
314 status = ql_get_mb_sts(qdev, mbcp);
316 QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n");
318 QPRINTK(qdev, DRV, ERR, "Firmware Revision = 0x%.08x.\n",
320 status = ql_cam_route_initialize(qdev);
322 QPRINTK(qdev, IFUP, ERR,
323 "Failed to init CAM/Routing tables.\n");
327 /* Process an async event and clear it unless it's an
329 * This can get called iteratively from the mpi_work thread
330 * when events arrive via an interrupt.
331 * It also gets called when a mailbox command is polling for
332 * it's completion. */
333 static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
336 int orig_count = mbcp->out_count;
338 /* Just get mailbox zero for now. */
340 status = ql_get_mb_sts(qdev, mbcp);
342 QPRINTK(qdev, DRV, ERR,
343 "Could not read MPI, resetting ASIC!\n");
344 ql_queue_asic_error(qdev);
348 switch (mbcp->mbox_out[0]) {
350 /* This case is only active when we arrive here
351 * as a result of issuing a mailbox command to
354 case MB_CMD_STS_INTRMDT:
355 case MB_CMD_STS_GOOD:
356 case MB_CMD_STS_INVLD_CMD:
357 case MB_CMD_STS_XFC_ERR:
358 case MB_CMD_STS_CSUM_ERR:
360 case MB_CMD_STS_PARAM_ERR:
361 /* We can only get mailbox status if we're polling from an
362 * unfinished command. Get the rest of the status data and
363 * return back to the caller.
364 * We only end up here when we're polling for a mailbox
365 * command completion.
367 mbcp->out_count = orig_count;
368 status = ql_get_mb_sts(qdev, mbcp);
371 /* We are being asked by firmware to accept
372 * a change to the port. This is only
373 * a change to max frame sizes (Tx/Rx), pause
374 * parameters, or loopback mode.
377 status = ql_idc_req_aen(qdev);
380 /* Process and inbound IDC event.
381 * This will happen when we're trying to
382 * change tx/rx max frame size, change pause
383 * parameters or loopback mode.
387 status = ql_idc_cmplt_aen(qdev);
391 ql_link_up(qdev, mbcp);
395 ql_link_down(qdev, mbcp);
398 case AEN_FW_INIT_DONE:
399 /* If we're in process on executing the firmware,
400 * then convert the status to normal mailbox status.
402 if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
403 mbcp->out_count = orig_count;
404 status = ql_get_mb_sts(qdev, mbcp);
405 mbcp->mbox_out[0] = MB_CMD_STS_GOOD;
408 ql_init_fw_done(qdev, mbcp);
412 ql_sfp_in(qdev, mbcp);
415 case AEN_AEN_SFP_OUT:
416 ql_sfp_out(qdev, mbcp);
419 /* This event can arrive at boot time or after an
420 * MPI reset if the firmware failed to initialize.
422 case AEN_FW_INIT_FAIL:
423 /* If we're in process on executing the firmware,
424 * then convert the status to normal mailbox status.
426 if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
427 mbcp->out_count = orig_count;
428 status = ql_get_mb_sts(qdev, mbcp);
429 mbcp->mbox_out[0] = MB_CMD_STS_ERR;
432 QPRINTK(qdev, DRV, ERR,
433 "Firmware initialization failed.\n");
435 ql_queue_fw_error(qdev);
439 QPRINTK(qdev, DRV, ERR,
441 ql_queue_fw_error(qdev);
446 ql_aen_lost(qdev, mbcp);
450 QPRINTK(qdev, DRV, ERR,
451 "Unsupported AE %.08x.\n", mbcp->mbox_out[0]);
452 /* Clear the MPI firmware status. */
455 ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT);
456 /* Restore the original mailbox count to
457 * what the caller asked for. This can get
458 * changed when a mailbox command is waiting
459 * for a response and an AEN arrives and
462 mbcp->out_count = orig_count;
466 /* Execute a single mailbox command.
467 * mbcp is a pointer to an array of u32. Each
468 * element in the array contains the value for it's
469 * respective mailbox register.
471 static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
476 /* Begin polled mode for MPI */
477 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
479 /* Load the mailbox registers and wake up MPI RISC. */
480 status = ql_exec_mb_cmd(qdev, mbcp);
485 /* If we're generating a system error, then there's nothing
488 if (mbcp->mbox_in[0] == MB_CMD_MAKE_SYS_ERR)
491 /* Wait for the command to complete. We loop
492 * here because some AEN might arrive while
493 * we're waiting for the mailbox command to
494 * complete. If more than 5 arrive then we can
495 * assume something is wrong. */
498 /* Wait for the interrupt to come in. */
499 status = ql_wait_mbx_cmd_cmplt(qdev);
503 /* Process the event. If it's an AEN, it
504 * will be handled in-line or a worker
505 * will be spawned. If it's our completion
506 * we will catch it below.
508 status = ql_mpi_handler(qdev, mbcp);
512 /* It's either the completion for our mailbox
513 * command complete or an AEN. If it's our
514 * completion then get out.
516 if (((mbcp->mbox_out[0] & 0x0000f000) ==
518 ((mbcp->mbox_out[0] & 0x0000f000) ==
524 QPRINTK(qdev, DRV, ERR,
525 "Timed out waiting for mailbox complete.\n");
530 /* Now we can clear the interrupt condition
531 * and look at our status.
533 ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT);
535 if (((mbcp->mbox_out[0] & 0x0000f000) !=
537 ((mbcp->mbox_out[0] & 0x0000f000) !=
538 MB_CMD_STS_INTRMDT)) {
539 ql_display_mb_sts(qdev, mbcp);
543 /* End polled mode for MPI */
544 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
549 /* Get MPI firmware version. This will be used for
550 * driver banner and for ethtool info.
551 * Returns zero on success.
553 int ql_mb_about_fw(struct ql_adapter *qdev)
555 struct mbox_params mbc;
556 struct mbox_params *mbcp = &mbc;
559 memset(mbcp, 0, sizeof(struct mbox_params));
564 mbcp->mbox_in[0] = MB_CMD_ABOUT_FW;
566 status = ql_mailbox_command(qdev, mbcp);
570 if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
571 QPRINTK(qdev, DRV, ERR,
572 "Failed about firmware command\n");
576 /* Store the firmware version */
577 qdev->fw_rev_id = mbcp->mbox_out[1];
582 /* Get functional state for MPI firmware.
583 * Returns zero on success.
585 int ql_mb_get_fw_state(struct ql_adapter *qdev)
587 struct mbox_params mbc;
588 struct mbox_params *mbcp = &mbc;
591 memset(mbcp, 0, sizeof(struct mbox_params));
596 mbcp->mbox_in[0] = MB_CMD_GET_FW_STATE;
598 status = ql_mailbox_command(qdev, mbcp);
602 if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
603 QPRINTK(qdev, DRV, ERR,
604 "Failed Get Firmware State.\n");
608 /* If bit zero is set in mbx 1 then the firmware is
609 * running, but not initialized. This should never
612 if (mbcp->mbox_out[1] & 1) {
613 QPRINTK(qdev, DRV, ERR,
614 "Firmware waiting for initialization.\n");
621 /* Send and ACK mailbox command to the firmware to
622 * let it continue with the change.
624 int ql_mb_idc_ack(struct ql_adapter *qdev)
626 struct mbox_params mbc;
627 struct mbox_params *mbcp = &mbc;
630 memset(mbcp, 0, sizeof(struct mbox_params));
635 mbcp->mbox_in[0] = MB_CMD_IDC_ACK;
636 mbcp->mbox_in[1] = qdev->idc_mbc.mbox_out[1];
637 mbcp->mbox_in[2] = qdev->idc_mbc.mbox_out[2];
638 mbcp->mbox_in[3] = qdev->idc_mbc.mbox_out[3];
639 mbcp->mbox_in[4] = qdev->idc_mbc.mbox_out[4];
641 status = ql_mailbox_command(qdev, mbcp);
645 if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
646 QPRINTK(qdev, DRV, ERR,
647 "Failed IDC ACK send.\n");
653 /* Get link settings and maximum frame size settings
654 * for the current port.
655 * Most likely will block.
657 static int ql_mb_set_port_cfg(struct ql_adapter *qdev)
659 struct mbox_params mbc;
660 struct mbox_params *mbcp = &mbc;
663 memset(mbcp, 0, sizeof(struct mbox_params));
668 mbcp->mbox_in[0] = MB_CMD_SET_PORT_CFG;
669 mbcp->mbox_in[1] = qdev->link_config;
670 mbcp->mbox_in[2] = qdev->max_frame_size;
673 status = ql_mailbox_command(qdev, mbcp);
677 if (mbcp->mbox_out[0] == MB_CMD_STS_INTRMDT) {
678 QPRINTK(qdev, DRV, ERR,
679 "Port Config sent, wait for IDC.\n");
680 } else if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
681 QPRINTK(qdev, DRV, ERR,
682 "Failed Set Port Configuration.\n");
688 /* Get link settings and maximum frame size settings
689 * for the current port.
690 * Most likely will block.
692 static int ql_mb_get_port_cfg(struct ql_adapter *qdev)
694 struct mbox_params mbc;
695 struct mbox_params *mbcp = &mbc;
698 memset(mbcp, 0, sizeof(struct mbox_params));
703 mbcp->mbox_in[0] = MB_CMD_GET_PORT_CFG;
705 status = ql_mailbox_command(qdev, mbcp);
709 if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
710 QPRINTK(qdev, DRV, ERR,
711 "Failed Get Port Configuration.\n");
714 QPRINTK(qdev, DRV, DEBUG,
715 "Passed Get Port Configuration.\n");
716 qdev->link_config = mbcp->mbox_out[1];
717 qdev->max_frame_size = mbcp->mbox_out[2];
722 /* IDC - Inter Device Communication...
723 * Some firmware commands require consent of adjacent FCOE
724 * function. This function waits for the OK, or a
725 * counter-request for a little more time.i
726 * The firmware will complete the request if the other
727 * function doesn't respond.
729 static int ql_idc_wait(struct ql_adapter *qdev)
731 int status = -ETIMEDOUT;
732 long wait_time = 1 * HZ;
733 struct mbox_params *mbcp = &qdev->idc_mbc;
735 /* Wait here for the command to complete
736 * via the IDC process.
739 wait_for_completion_timeout(&qdev->ide_completion,
742 QPRINTK(qdev, DRV, ERR,
746 /* Now examine the response from the IDC process.
747 * We might have a good completion or a request for
750 if (mbcp->mbox_out[0] == AEN_IDC_EXT) {
751 QPRINTK(qdev, DRV, ERR,
752 "IDC Time Extension from function.\n");
753 wait_time += (mbcp->mbox_out[1] >> 8) & 0x0000000f;
754 } else if (mbcp->mbox_out[0] == AEN_IDC_CMPLT) {
755 QPRINTK(qdev, DRV, ERR,
760 QPRINTK(qdev, DRV, ERR,
761 "IDC: Invalid State 0x%.04x.\n",
771 int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control)
773 struct mbox_params mbc;
774 struct mbox_params *mbcp = &mbc;
777 memset(mbcp, 0, sizeof(struct mbox_params));
782 mbcp->mbox_in[0] = MB_CMD_SET_MGMNT_TFK_CTL;
783 mbcp->mbox_in[1] = control;
785 status = ql_mailbox_command(qdev, mbcp);
789 if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD)
792 if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
793 QPRINTK(qdev, DRV, ERR,
794 "Command not supported by firmware.\n");
796 } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
797 /* This indicates that the firmware is
798 * already in the state we are trying to
801 QPRINTK(qdev, DRV, ERR,
802 "Command parameters make no change.\n");
807 /* Returns a negative error code or the mailbox command status. */
808 static int ql_mb_get_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 *control)
810 struct mbox_params mbc;
811 struct mbox_params *mbcp = &mbc;
814 memset(mbcp, 0, sizeof(struct mbox_params));
820 mbcp->mbox_in[0] = MB_CMD_GET_MGMNT_TFK_CTL;
822 status = ql_mailbox_command(qdev, mbcp);
826 if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) {
827 *control = mbcp->mbox_in[1];
831 if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
832 QPRINTK(qdev, DRV, ERR,
833 "Command not supported by firmware.\n");
835 } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
836 QPRINTK(qdev, DRV, ERR,
837 "Failed to get MPI traffic control.\n");
843 int ql_wait_fifo_empty(struct ql_adapter *qdev)
846 u32 mgmnt_fifo_empty;
850 nic_fifo_empty = ql_read32(qdev, STS) & STS_NFE;
851 ql_mb_get_mgmnt_traffic_ctl(qdev, &mgmnt_fifo_empty);
852 mgmnt_fifo_empty &= MB_GET_MPI_TFK_FIFO_EMPTY;
853 if (nic_fifo_empty && mgmnt_fifo_empty)
856 } while (count-- > 0);
860 /* API called in work thread context to set new TX/RX
861 * maximum frame size values to match MTU.
863 static int ql_set_port_cfg(struct ql_adapter *qdev)
867 status = ql_mb_set_port_cfg(qdev);
871 status = ql_idc_wait(qdev);
875 /* The following routines are worker threads that process
876 * events that may sleep waiting for completion.
879 /* This thread gets the maximum TX and RX frame size values
880 * from the firmware and, if necessary, changes them to match
883 void ql_mpi_port_cfg_work(struct work_struct *work)
885 struct ql_adapter *qdev =
886 container_of(work, struct ql_adapter, mpi_port_cfg_work.work);
890 status = ql_mb_get_port_cfg(qdev);
893 QPRINTK(qdev, DRV, ERR,
894 "Bug: Failed to get port config data.\n");
898 if (qdev->link_config & CFG_JUMBO_FRAME_SIZE &&
899 qdev->max_frame_size ==
900 CFG_DEFAULT_MAX_FRAME_SIZE)
903 qdev->link_config |= CFG_JUMBO_FRAME_SIZE;
904 qdev->max_frame_size = CFG_DEFAULT_MAX_FRAME_SIZE;
905 status = ql_set_port_cfg(qdev);
907 QPRINTK(qdev, DRV, ERR,
908 "Bug: Failed to set port config data.\n");
912 clear_bit(QL_PORT_CFG, &qdev->flags);
915 ql_queue_fw_error(qdev);
919 /* Process an inter-device request. This is issues by
920 * the firmware in response to another function requesting
921 * a change to the port. We set a flag to indicate a change
922 * has been made and then send a mailbox command ACKing
923 * the change request.
925 void ql_mpi_idc_work(struct work_struct *work)
927 struct ql_adapter *qdev =
928 container_of(work, struct ql_adapter, mpi_idc_work.work);
930 struct mbox_params *mbcp = &qdev->idc_mbc;
933 aen = mbcp->mbox_out[1] >> 16;
937 QPRINTK(qdev, DRV, ERR,
938 "Bug: Unhandled IDC action.\n");
940 case MB_CMD_PORT_RESET:
941 case MB_CMD_SET_PORT_CFG:
944 /* Signal the resulting link up AEN
945 * that the frame routing and mac addr
948 set_bit(QL_CAM_RT_SET, &qdev->flags);
950 status = ql_mb_idc_ack(qdev);
953 QPRINTK(qdev, DRV, ERR,
954 "Bug: No pending IDC!\n");
959 void ql_mpi_work(struct work_struct *work)
961 struct ql_adapter *qdev =
962 container_of(work, struct ql_adapter, mpi_work.work);
963 struct mbox_params mbc;
964 struct mbox_params *mbcp = &mbc;
968 /* Begin polled mode for MPI */
969 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
971 while (ql_read32(qdev, STS) & STS_PI) {
972 memset(mbcp, 0, sizeof(struct mbox_params));
974 /* Don't continue if an async event
975 * did not complete properly.
977 err = ql_mpi_handler(qdev, mbcp);
982 /* End polled mode for MPI */
983 ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
985 ql_enable_completion_interrupt(qdev, 0);
988 void ql_mpi_reset_work(struct work_struct *work)
990 struct ql_adapter *qdev =
991 container_of(work, struct ql_adapter, mpi_reset_work.work);
992 cancel_delayed_work_sync(&qdev->mpi_work);
993 cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
994 cancel_delayed_work_sync(&qdev->mpi_idc_work);
995 ql_soft_reset_mpi_risc(qdev);