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path: root/drivers/net/qlge/qlge_mpi.c
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Diffstat (limited to 'drivers/net/qlge/qlge_mpi.c')
-rw-r--r--drivers/net/qlge/qlge_mpi.c899
1 files changed, 0 insertions, 899 deletions
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
deleted file mode 100644
index 71afbf8b9c5..00000000000
--- a/drivers/net/qlge/qlge_mpi.c
+++ /dev/null
@@ -1,899 +0,0 @@
-#include "qlge.h"
-
-static void ql_display_mb_sts(struct ql_adapter *qdev,
- struct mbox_params *mbcp)
-{
- int i;
- static char *err_sts[] = {
- "Command Complete",
- "Command Not Supported",
- "Host Interface Error",
- "Checksum Error",
- "Unused Completion Status",
- "Test Failed",
- "Command Parameter Error"};
-
- QPRINTK(qdev, DRV, DEBUG, "%s.\n",
- err_sts[mbcp->mbox_out[0] & 0x0000000f]);
- for (i = 0; i < mbcp->out_count; i++)
- QPRINTK(qdev, DRV, DEBUG, "mbox_out[%d] = 0x%.08x.\n",
- i, mbcp->mbox_out[i]);
-}
-
-int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
-{
- int status;
- /* wait for reg to come ready */
- status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
- if (status)
- goto exit;
- /* set up for reg read */
- ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R);
- /* wait for reg to come ready */
- status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
- if (status)
- goto exit;
- /* get the data */
- *data = ql_read32(qdev, PROC_DATA);
-exit:
- return status;
-}
-
-int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data)
-{
- int status = 0;
- /* wait for reg to come ready */
- status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
- if (status)
- goto exit;
- /* write the data to the data reg */
- ql_write32(qdev, PROC_DATA, data);
- /* trigger the write */
- ql_write32(qdev, PROC_ADDR, reg);
- /* wait for reg to come ready */
- status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
- if (status)
- goto exit;
-exit:
- return status;
-}
-
-int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
-{
- int status;
- status = ql_write_mpi_reg(qdev, 0x00001010, 1);
- return status;
-}
-
-static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int i, status;
-
- status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
- if (status)
- return -EBUSY;
- for (i = 0; i < mbcp->out_count; i++) {
- status =
- ql_read_mpi_reg(qdev, qdev->mailbox_out + i,
- &mbcp->mbox_out[i]);
- if (status) {
- QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n");
- break;
- }
- }
- ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */
- return status;
-}
-
-/* Wait for a single mailbox command to complete.
- * Returns zero on success.
- */
-static int ql_wait_mbx_cmd_cmplt(struct ql_adapter *qdev)
-{
- int count = 100;
- u32 value;
-
- do {
- value = ql_read32(qdev, STS);
- if (value & STS_PI)
- return 0;
- mdelay(UDELAY_DELAY); /* 100ms */
- } while (--count);
- return -ETIMEDOUT;
-}
-
-/* Execute a single mailbox command.
- * Caller must hold PROC_ADDR semaphore.
- */
-static int ql_exec_mb_cmd(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int i, status;
-
- /*
- * Make sure there's nothing pending.
- * This shouldn't happen.
- */
- if (ql_read32(qdev, CSR) & CSR_HRI)
- return -EIO;
-
- status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
- if (status)
- return status;
-
- /*
- * Fill the outbound mailboxes.
- */
- for (i = 0; i < mbcp->in_count; i++) {
- status = ql_write_mpi_reg(qdev, qdev->mailbox_in + i,
- mbcp->mbox_in[i]);
- if (status)
- goto end;
- }
- /*
- * Wake up the MPI firmware.
- */
- ql_write32(qdev, CSR, CSR_CMD_SET_H2R_INT);
-end:
- ql_sem_unlock(qdev, SEM_PROC_REG_MASK);
- return status;
-}
-
-/* We are being asked by firmware to accept
- * a change to the port. This is only
- * a change to max frame sizes (Tx/Rx), pause
- * parameters, or loopback mode. We wake up a worker
- * to handler processing this since a mailbox command
- * will need to be sent to ACK the request.
- */
-static int ql_idc_req_aen(struct ql_adapter *qdev)
-{
- int status;
- struct mbox_params *mbcp = &qdev->idc_mbc;
-
- QPRINTK(qdev, DRV, ERR, "Enter!\n");
- /* Get the status data and start up a thread to
- * handle the request.
- */
- mbcp = &qdev->idc_mbc;
- mbcp->out_count = 4;
- status = ql_get_mb_sts(qdev, mbcp);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Could not read MPI, resetting ASIC!\n");
- ql_queue_asic_error(qdev);
- } else {
- /* Begin polled mode early so
- * we don't get another interrupt
- * when we leave mpi_worker.
- */
- ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
- queue_delayed_work(qdev->workqueue, &qdev->mpi_idc_work, 0);
- }
- return status;
-}
-
-/* Process an inter-device event completion.
- * If good, signal the caller's completion.
- */
-static int ql_idc_cmplt_aen(struct ql_adapter *qdev)
-{
- int status;
- struct mbox_params *mbcp = &qdev->idc_mbc;
- mbcp->out_count = 4;
- status = ql_get_mb_sts(qdev, mbcp);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Could not read MPI, resetting RISC!\n");
- ql_queue_fw_error(qdev);
- } else
- /* Wake up the sleeping mpi_idc_work thread that is
- * waiting for this event.
- */
- complete(&qdev->ide_completion);
-
- return status;
-}
-
-static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
- mbcp->out_count = 2;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "%s: Could not get mailbox status.\n", __func__);
- return;
- }
-
- qdev->link_status = mbcp->mbox_out[1];
- QPRINTK(qdev, DRV, ERR, "Link Up.\n");
-
- /* If we're coming back from an IDC event
- * then set up the CAM and frame routing.
- */
- if (test_bit(QL_CAM_RT_SET, &qdev->flags)) {
- status = ql_cam_route_initialize(qdev);
- if (status) {
- QPRINTK(qdev, IFUP, ERR,
- "Failed to init CAM/Routing tables.\n");
- return;
- } else
- clear_bit(QL_CAM_RT_SET, &qdev->flags);
- }
-
- /* Queue up a worker to check the frame
- * size information, and fix it if it's not
- * to our liking.
- */
- if (!test_bit(QL_PORT_CFG, &qdev->flags)) {
- QPRINTK(qdev, DRV, ERR, "Queue Port Config Worker!\n");
- set_bit(QL_PORT_CFG, &qdev->flags);
- /* Begin polled mode early so
- * we don't get another interrupt
- * when we leave mpi_worker dpc.
- */
- ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
- queue_delayed_work(qdev->workqueue,
- &qdev->mpi_port_cfg_work, 0);
- }
-
- netif_carrier_on(qdev->ndev);
-}
-
-static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
-
- mbcp->out_count = 3;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status)
- QPRINTK(qdev, DRV, ERR, "Link down AEN broken!\n");
-
- netif_carrier_off(qdev->ndev);
-}
-
-static int ql_sfp_in(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
-
- mbcp->out_count = 5;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status)
- QPRINTK(qdev, DRV, ERR, "SFP in AEN broken!\n");
- else
- QPRINTK(qdev, DRV, ERR, "SFP insertion detected.\n");
-
- return status;
-}
-
-static int ql_sfp_out(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
-
- mbcp->out_count = 1;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status)
- QPRINTK(qdev, DRV, ERR, "SFP out AEN broken!\n");
- else
- QPRINTK(qdev, DRV, ERR, "SFP removal detected.\n");
-
- return status;
-}
-
-static int ql_aen_lost(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
-
- mbcp->out_count = 6;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status)
- QPRINTK(qdev, DRV, ERR, "Lost AEN broken!\n");
- else {
- int i;
- QPRINTK(qdev, DRV, ERR, "Lost AEN detected.\n");
- for (i = 0; i < mbcp->out_count; i++)
- QPRINTK(qdev, DRV, ERR, "mbox_out[%d] = 0x%.08x.\n",
- i, mbcp->mbox_out[i]);
-
- }
-
- return status;
-}
-
-static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
-
- mbcp->out_count = 2;
-
- status = ql_get_mb_sts(qdev, mbcp);
- if (status) {
- QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n");
- } else {
- QPRINTK(qdev, DRV, ERR, "Firmware Revision = 0x%.08x.\n",
- mbcp->mbox_out[1]);
- status = ql_cam_route_initialize(qdev);
- if (status)
- QPRINTK(qdev, IFUP, ERR,
- "Failed to init CAM/Routing tables.\n");
- }
-}
-
-/* Process an async event and clear it unless it's an
- * error condition.
- * This can get called iteratively from the mpi_work thread
- * when events arrive via an interrupt.
- * It also gets called when a mailbox command is polling for
- * it's completion. */
-static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status;
- int orig_count = mbcp->out_count;
-
- /* Just get mailbox zero for now. */
- mbcp->out_count = 1;
- status = ql_get_mb_sts(qdev, mbcp);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Could not read MPI, resetting ASIC!\n");
- ql_queue_asic_error(qdev);
- goto end;
- }
-
- switch (mbcp->mbox_out[0]) {
-
- /* This case is only active when we arrive here
- * as a result of issuing a mailbox command to
- * the firmware.
- */
- case MB_CMD_STS_INTRMDT:
- case MB_CMD_STS_GOOD:
- case MB_CMD_STS_INVLD_CMD:
- case MB_CMD_STS_XFC_ERR:
- case MB_CMD_STS_CSUM_ERR:
- case MB_CMD_STS_ERR:
- case MB_CMD_STS_PARAM_ERR:
- /* We can only get mailbox status if we're polling from an
- * unfinished command. Get the rest of the status data and
- * return back to the caller.
- * We only end up here when we're polling for a mailbox
- * command completion.
- */
- mbcp->out_count = orig_count;
- status = ql_get_mb_sts(qdev, mbcp);
- return status;
-
- /* We are being asked by firmware to accept
- * a change to the port. This is only
- * a change to max frame sizes (Tx/Rx), pause
- * parameters, or loopback mode.
- */
- case AEN_IDC_REQ:
- status = ql_idc_req_aen(qdev);
- break;
-
- /* Process and inbound IDC event.
- * This will happen when we're trying to
- * change tx/rx max frame size, change pause
- * parameters or loopback mode.
- */
- case AEN_IDC_CMPLT:
- case AEN_IDC_EXT:
- status = ql_idc_cmplt_aen(qdev);
- break;
-
- case AEN_LINK_UP:
- ql_link_up(qdev, mbcp);
- break;
-
- case AEN_LINK_DOWN:
- ql_link_down(qdev, mbcp);
- break;
-
- case AEN_FW_INIT_DONE:
- /* If we're in process on executing the firmware,
- * then convert the status to normal mailbox status.
- */
- if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
- mbcp->out_count = orig_count;
- status = ql_get_mb_sts(qdev, mbcp);
- mbcp->mbox_out[0] = MB_CMD_STS_GOOD;
- return status;
- }
- ql_init_fw_done(qdev, mbcp);
- break;
-
- case AEN_AEN_SFP_IN:
- ql_sfp_in(qdev, mbcp);
- break;
-
- case AEN_AEN_SFP_OUT:
- ql_sfp_out(qdev, mbcp);
- break;
-
- /* This event can arrive at boot time or after an
- * MPI reset if the firmware failed to initialize.
- */
- case AEN_FW_INIT_FAIL:
- /* If we're in process on executing the firmware,
- * then convert the status to normal mailbox status.
- */
- if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
- mbcp->out_count = orig_count;
- status = ql_get_mb_sts(qdev, mbcp);
- mbcp->mbox_out[0] = MB_CMD_STS_ERR;
- return status;
- }
- QPRINTK(qdev, DRV, ERR,
- "Firmware initialization failed.\n");
- status = -EIO;
- ql_queue_fw_error(qdev);
- break;
-
- case AEN_SYS_ERR:
- QPRINTK(qdev, DRV, ERR,
- "System Error.\n");
- ql_queue_fw_error(qdev);
- status = -EIO;
- break;
-
- case AEN_AEN_LOST:
- ql_aen_lost(qdev, mbcp);
- break;
-
- default:
- QPRINTK(qdev, DRV, ERR,
- "Unsupported AE %.08x.\n", mbcp->mbox_out[0]);
- /* Clear the MPI firmware status. */
- }
-end:
- ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT);
- /* Restore the original mailbox count to
- * what the caller asked for. This can get
- * changed when a mailbox command is waiting
- * for a response and an AEN arrives and
- * is handled.
- * */
- mbcp->out_count = orig_count;
- return status;
-}
-
-/* Execute a single mailbox command.
- * mbcp is a pointer to an array of u32. Each
- * element in the array contains the value for it's
- * respective mailbox register.
- */
-static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
-{
- int status, count;
-
- mutex_lock(&qdev->mpi_mutex);
-
- /* Begin polled mode for MPI */
- ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
-
- /* Load the mailbox registers and wake up MPI RISC. */
- status = ql_exec_mb_cmd(qdev, mbcp);
- if (status)
- goto end;
-
-
- /* If we're generating a system error, then there's nothing
- * to wait for.
- */
- if (mbcp->mbox_in[0] == MB_CMD_MAKE_SYS_ERR)
- goto end;
-
- /* Wait for the command to complete. We loop
- * here because some AEN might arrive while
- * we're waiting for the mailbox command to
- * complete. If more than 5 arrive then we can
- * assume something is wrong. */
- count = 5;
- do {
- /* Wait for the interrupt to come in. */
- status = ql_wait_mbx_cmd_cmplt(qdev);
- if (status)
- goto end;
-
- /* Process the event. If it's an AEN, it
- * will be handled in-line or a worker
- * will be spawned. If it's our completion
- * we will catch it below.
- */
- status = ql_mpi_handler(qdev, mbcp);
- if (status)
- goto end;
-
- /* It's either the completion for our mailbox
- * command complete or an AEN. If it's our
- * completion then get out.
- */
- if (((mbcp->mbox_out[0] & 0x0000f000) ==
- MB_CMD_STS_GOOD) ||
- ((mbcp->mbox_out[0] & 0x0000f000) ==
- MB_CMD_STS_INTRMDT))
- break;
- } while (--count);
-
- if (!count) {
- QPRINTK(qdev, DRV, ERR,
- "Timed out waiting for mailbox complete.\n");
- status = -ETIMEDOUT;
- goto end;
- }
-
- /* Now we can clear the interrupt condition
- * and look at our status.
- */
- ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT);
-
- if (((mbcp->mbox_out[0] & 0x0000f000) !=
- MB_CMD_STS_GOOD) &&
- ((mbcp->mbox_out[0] & 0x0000f000) !=
- MB_CMD_STS_INTRMDT)) {
- ql_display_mb_sts(qdev, mbcp);
- status = -EIO;
- }
-end:
- mutex_unlock(&qdev->mpi_mutex);
- /* End polled mode for MPI */
- ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
- return status;
-}
-
-
-/* Get MPI firmware version. This will be used for
- * driver banner and for ethtool info.
- * Returns zero on success.
- */
-int ql_mb_about_fw(struct ql_adapter *qdev)
-{
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int status = 0;
-
- memset(mbcp, 0, sizeof(struct mbox_params));
-
- mbcp->in_count = 1;
- mbcp->out_count = 3;
-
- mbcp->mbox_in[0] = MB_CMD_ABOUT_FW;
-
- status = ql_mailbox_command(qdev, mbcp);
- if (status)
- return status;
-
- if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
- QPRINTK(qdev, DRV, ERR,
- "Failed about firmware command\n");
- status = -EIO;
- }
-
- /* Store the firmware version */
- qdev->fw_rev_id = mbcp->mbox_out[1];
-
- return status;
-}
-
-/* Get functional state for MPI firmware.
- * Returns zero on success.
- */
-int ql_mb_get_fw_state(struct ql_adapter *qdev)
-{
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int status = 0;
-
- memset(mbcp, 0, sizeof(struct mbox_params));
-
- mbcp->in_count = 1;
- mbcp->out_count = 2;
-
- mbcp->mbox_in[0] = MB_CMD_GET_FW_STATE;
-
- status = ql_mailbox_command(qdev, mbcp);
- if (status)
- return status;
-
- if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
- QPRINTK(qdev, DRV, ERR,
- "Failed Get Firmware State.\n");
- status = -EIO;
- }
-
- /* If bit zero is set in mbx 1 then the firmware is
- * running, but not initialized. This should never
- * happen.
- */
- if (mbcp->mbox_out[1] & 1) {
- QPRINTK(qdev, DRV, ERR,
- "Firmware waiting for initialization.\n");
- status = -EIO;
- }
-
- return status;
-}
-
-/* Send and ACK mailbox command to the firmware to
- * let it continue with the change.
- */
-int ql_mb_idc_ack(struct ql_adapter *qdev)
-{
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int status = 0;
-
- memset(mbcp, 0, sizeof(struct mbox_params));
-
- mbcp->in_count = 5;
- mbcp->out_count = 1;
-
- mbcp->mbox_in[0] = MB_CMD_IDC_ACK;
- mbcp->mbox_in[1] = qdev->idc_mbc.mbox_out[1];
- mbcp->mbox_in[2] = qdev->idc_mbc.mbox_out[2];
- mbcp->mbox_in[3] = qdev->idc_mbc.mbox_out[3];
- mbcp->mbox_in[4] = qdev->idc_mbc.mbox_out[4];
-
- status = ql_mailbox_command(qdev, mbcp);
- if (status)
- return status;
-
- if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
- QPRINTK(qdev, DRV, ERR,
- "Failed IDC ACK send.\n");
- status = -EIO;
- }
- return status;
-}
-
-/* Get link settings and maximum frame size settings
- * for the current port.
- * Most likely will block.
- */
-static int ql_mb_set_port_cfg(struct ql_adapter *qdev)
-{
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int status = 0;
-
- memset(mbcp, 0, sizeof(struct mbox_params));
-
- mbcp->in_count = 3;
- mbcp->out_count = 1;
-
- mbcp->mbox_in[0] = MB_CMD_SET_PORT_CFG;
- mbcp->mbox_in[1] = qdev->link_config;
- mbcp->mbox_in[2] = qdev->max_frame_size;
-
-
- status = ql_mailbox_command(qdev, mbcp);
- if (status)
- return status;
-
- if (mbcp->mbox_out[0] == MB_CMD_STS_INTRMDT) {
- QPRINTK(qdev, DRV, ERR,
- "Port Config sent, wait for IDC.\n");
- } else if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
- QPRINTK(qdev, DRV, ERR,
- "Failed Set Port Configuration.\n");
- status = -EIO;
- }
- return status;
-}
-
-/* Get link settings and maximum frame size settings
- * for the current port.
- * Most likely will block.
- */
-static int ql_mb_get_port_cfg(struct ql_adapter *qdev)
-{
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int status = 0;
-
- memset(mbcp, 0, sizeof(struct mbox_params));
-
- mbcp->in_count = 1;
- mbcp->out_count = 3;
-
- mbcp->mbox_in[0] = MB_CMD_GET_PORT_CFG;
-
- status = ql_mailbox_command(qdev, mbcp);
- if (status)
- return status;
-
- if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
- QPRINTK(qdev, DRV, ERR,
- "Failed Get Port Configuration.\n");
- status = -EIO;
- } else {
- QPRINTK(qdev, DRV, DEBUG,
- "Passed Get Port Configuration.\n");
- qdev->link_config = mbcp->mbox_out[1];
- qdev->max_frame_size = mbcp->mbox_out[2];
- }
- return status;
-}
-
-/* IDC - Inter Device Communication...
- * Some firmware commands require consent of adjacent FCOE
- * function. This function waits for the OK, or a
- * counter-request for a little more time.i
- * The firmware will complete the request if the other
- * function doesn't respond.
- */
-static int ql_idc_wait(struct ql_adapter *qdev)
-{
- int status = -ETIMEDOUT;
- long wait_time = 1 * HZ;
- struct mbox_params *mbcp = &qdev->idc_mbc;
- do {
- /* Wait here for the command to complete
- * via the IDC process.
- */
- wait_time =
- wait_for_completion_timeout(&qdev->ide_completion,
- wait_time);
- if (!wait_time) {
- QPRINTK(qdev, DRV, ERR,
- "IDC Timeout.\n");
- break;
- }
- /* Now examine the response from the IDC process.
- * We might have a good completion or a request for
- * more wait time.
- */
- if (mbcp->mbox_out[0] == AEN_IDC_EXT) {
- QPRINTK(qdev, DRV, ERR,
- "IDC Time Extension from function.\n");
- wait_time += (mbcp->mbox_out[1] >> 8) & 0x0000000f;
- } else if (mbcp->mbox_out[0] == AEN_IDC_CMPLT) {
- QPRINTK(qdev, DRV, ERR,
- "IDC Success.\n");
- status = 0;
- break;
- } else {
- QPRINTK(qdev, DRV, ERR,
- "IDC: Invalid State 0x%.04x.\n",
- mbcp->mbox_out[0]);
- status = -EIO;
- break;
- }
- } while (wait_time);
-
- return status;
-}
-
-/* API called in work thread context to set new TX/RX
- * maximum frame size values to match MTU.
- */
-static int ql_set_port_cfg(struct ql_adapter *qdev)
-{
- int status;
- status = ql_mb_set_port_cfg(qdev);
- if (status)
- return status;
- status = ql_idc_wait(qdev);
- return status;
-}
-
-/* The following routines are worker threads that process
- * events that may sleep waiting for completion.
- */
-
-/* This thread gets the maximum TX and RX frame size values
- * from the firmware and, if necessary, changes them to match
- * the MTU setting.
- */
-void ql_mpi_port_cfg_work(struct work_struct *work)
-{
- struct ql_adapter *qdev =
- container_of(work, struct ql_adapter, mpi_port_cfg_work.work);
- int status;
-
- status = ql_mb_get_port_cfg(qdev);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Bug: Failed to get port config data.\n");
- goto err;
- }
-
- if (qdev->link_config & CFG_JUMBO_FRAME_SIZE &&
- qdev->max_frame_size ==
- CFG_DEFAULT_MAX_FRAME_SIZE)
- goto end;
-
- qdev->link_config |= CFG_JUMBO_FRAME_SIZE;
- qdev->max_frame_size = CFG_DEFAULT_MAX_FRAME_SIZE;
- status = ql_set_port_cfg(qdev);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Bug: Failed to set port config data.\n");
- goto err;
- }
-end:
- clear_bit(QL_PORT_CFG, &qdev->flags);
- return;
-err:
- ql_queue_fw_error(qdev);
- goto end;
-}
-
-/* Process an inter-device request. This is issues by
- * the firmware in response to another function requesting
- * a change to the port. We set a flag to indicate a change
- * has been made and then send a mailbox command ACKing
- * the change request.
- */
-void ql_mpi_idc_work(struct work_struct *work)
-{
- struct ql_adapter *qdev =
- container_of(work, struct ql_adapter, mpi_idc_work.work);
- int status;
- struct mbox_params *mbcp = &qdev->idc_mbc;
- u32 aen;
-
- aen = mbcp->mbox_out[1] >> 16;
-
- switch (aen) {
- default:
- QPRINTK(qdev, DRV, ERR,
- "Bug: Unhandled IDC action.\n");
- break;
- case MB_CMD_PORT_RESET:
- case MB_CMD_SET_PORT_CFG:
- case MB_CMD_STOP_FW:
- netif_carrier_off(qdev->ndev);
- /* Signal the resulting link up AEN
- * that the frame routing and mac addr
- * needs to be set.
- * */
- set_bit(QL_CAM_RT_SET, &qdev->flags);
- status = ql_mb_idc_ack(qdev);
- if (status) {
- QPRINTK(qdev, DRV, ERR,
- "Bug: No pending IDC!\n");
- }
- }
-}
-
-void ql_mpi_work(struct work_struct *work)
-{
- struct ql_adapter *qdev =
- container_of(work, struct ql_adapter, mpi_work.work);
- struct mbox_params mbc;
- struct mbox_params *mbcp = &mbc;
- int err = 0;
-
- mutex_lock(&qdev->mpi_mutex);
-
- while (ql_read32(qdev, STS) & STS_PI) {
- memset(mbcp, 0, sizeof(struct mbox_params));
- mbcp->out_count = 1;
- /* Don't continue if an async event
- * did not complete properly.
- */
- err = ql_mpi_handler(qdev, mbcp);
- if (err)
- break;
- }
-
- mutex_unlock(&qdev->mpi_mutex);
- ql_enable_completion_interrupt(qdev, 0);
-}
-
-void ql_mpi_reset_work(struct work_struct *work)
-{
- struct ql_adapter *qdev =
- container_of(work, struct ql_adapter, mpi_reset_work.work);
- cancel_delayed_work_sync(&qdev->mpi_work);
- cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
- cancel_delayed_work_sync(&qdev->mpi_idc_work);
- ql_soft_reset_mpi_risc(qdev);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:16:31 +0000