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https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-06 02:24:14 +08:00
b4aa9e05a6
Conflicts: drivers/net/bnx2x/bnx2x.h drivers/net/wireless/iwlwifi/iwl-1000.c drivers/net/wireless/iwlwifi/iwl-6000.c drivers/net/wireless/iwlwifi/iwl-core.h drivers/vhost/vhost.c
1285 lines
30 KiB
C
1285 lines
30 KiB
C
#include "qlge.h"
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int ql_unpause_mpi_risc(struct ql_adapter *qdev)
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{
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u32 tmp;
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/* Un-pause the RISC */
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tmp = ql_read32(qdev, CSR);
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if (!(tmp & CSR_RP))
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return -EIO;
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ql_write32(qdev, CSR, CSR_CMD_CLR_PAUSE);
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return 0;
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}
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int ql_pause_mpi_risc(struct ql_adapter *qdev)
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{
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u32 tmp;
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int count = UDELAY_COUNT;
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/* Pause the RISC */
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ql_write32(qdev, CSR, CSR_CMD_SET_PAUSE);
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do {
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tmp = ql_read32(qdev, CSR);
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if (tmp & CSR_RP)
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break;
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mdelay(UDELAY_DELAY);
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count--;
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} while (count);
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return (count == 0) ? -ETIMEDOUT : 0;
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}
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int ql_hard_reset_mpi_risc(struct ql_adapter *qdev)
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{
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u32 tmp;
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int count = UDELAY_COUNT;
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/* Reset the RISC */
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ql_write32(qdev, CSR, CSR_CMD_SET_RST);
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do {
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tmp = ql_read32(qdev, CSR);
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if (tmp & CSR_RR) {
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ql_write32(qdev, CSR, CSR_CMD_CLR_RST);
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break;
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}
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mdelay(UDELAY_DELAY);
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count--;
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} while (count);
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return (count == 0) ? -ETIMEDOUT : 0;
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}
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int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data)
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{
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int status;
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/* wait for reg to come ready */
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status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
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if (status)
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goto exit;
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/* set up for reg read */
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ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R);
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/* wait for reg to come ready */
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status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
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if (status)
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goto exit;
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/* get the data */
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*data = ql_read32(qdev, PROC_DATA);
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exit:
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return status;
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}
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int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data)
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{
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int status = 0;
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/* wait for reg to come ready */
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status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
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if (status)
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goto exit;
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/* write the data to the data reg */
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ql_write32(qdev, PROC_DATA, data);
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/* trigger the write */
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ql_write32(qdev, PROC_ADDR, reg);
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/* wait for reg to come ready */
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status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR);
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if (status)
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goto exit;
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exit:
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return status;
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}
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int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
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{
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int status;
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status = ql_write_mpi_reg(qdev, 0x00001010, 1);
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return status;
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}
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/* Determine if we are in charge of the firwmare. If
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* we are the lower of the 2 NIC pcie functions, or if
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* we are the higher function and the lower function
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* is not enabled.
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*/
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int ql_own_firmware(struct ql_adapter *qdev)
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{
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u32 temp;
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/* If we are the lower of the 2 NIC functions
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* on the chip the we are responsible for
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* core dump and firmware reset after an error.
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*/
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if (qdev->func < qdev->alt_func)
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return 1;
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/* If we are the higher of the 2 NIC functions
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* on the chip and the lower function is not
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* enabled, then we are responsible for
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* core dump and firmware reset after an error.
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*/
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temp = ql_read32(qdev, STS);
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if (!(temp & (1 << (8 + qdev->alt_func))))
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return 1;
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return 0;
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}
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static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int i, status;
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status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
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if (status)
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return -EBUSY;
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for (i = 0; i < mbcp->out_count; i++) {
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status =
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ql_read_mpi_reg(qdev, qdev->mailbox_out + i,
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&mbcp->mbox_out[i]);
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if (status) {
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netif_err(qdev, drv, qdev->ndev, "Failed mailbox read.\n");
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break;
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}
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}
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ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */
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return status;
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}
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/* Wait for a single mailbox command to complete.
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* Returns zero on success.
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*/
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static int ql_wait_mbx_cmd_cmplt(struct ql_adapter *qdev)
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{
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int count = 100;
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u32 value;
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do {
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value = ql_read32(qdev, STS);
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if (value & STS_PI)
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return 0;
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mdelay(UDELAY_DELAY); /* 100ms */
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} while (--count);
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return -ETIMEDOUT;
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}
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/* Execute a single mailbox command.
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* Caller must hold PROC_ADDR semaphore.
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*/
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static int ql_exec_mb_cmd(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int i, status;
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/*
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* Make sure there's nothing pending.
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* This shouldn't happen.
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*/
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if (ql_read32(qdev, CSR) & CSR_HRI)
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return -EIO;
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status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK);
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if (status)
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return status;
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/*
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* Fill the outbound mailboxes.
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*/
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for (i = 0; i < mbcp->in_count; i++) {
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status = ql_write_mpi_reg(qdev, qdev->mailbox_in + i,
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mbcp->mbox_in[i]);
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if (status)
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goto end;
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}
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/*
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* Wake up the MPI firmware.
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*/
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ql_write32(qdev, CSR, CSR_CMD_SET_H2R_INT);
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end:
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ql_sem_unlock(qdev, SEM_PROC_REG_MASK);
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return status;
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}
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/* We are being asked by firmware to accept
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* a change to the port. This is only
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* a change to max frame sizes (Tx/Rx), pause
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* parameters, or loopback mode. We wake up a worker
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* to handler processing this since a mailbox command
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* will need to be sent to ACK the request.
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*/
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static int ql_idc_req_aen(struct ql_adapter *qdev)
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{
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int status;
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struct mbox_params *mbcp = &qdev->idc_mbc;
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netif_err(qdev, drv, qdev->ndev, "Enter!\n");
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/* Get the status data and start up a thread to
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* handle the request.
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*/
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mbcp = &qdev->idc_mbc;
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mbcp->out_count = 4;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status) {
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netif_err(qdev, drv, qdev->ndev,
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"Could not read MPI, resetting ASIC!\n");
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ql_queue_asic_error(qdev);
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} else {
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/* Begin polled mode early so
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* we don't get another interrupt
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* when we leave mpi_worker.
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*/
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ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
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queue_delayed_work(qdev->workqueue, &qdev->mpi_idc_work, 0);
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}
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return status;
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}
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/* Process an inter-device event completion.
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* If good, signal the caller's completion.
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*/
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static int ql_idc_cmplt_aen(struct ql_adapter *qdev)
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{
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int status;
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struct mbox_params *mbcp = &qdev->idc_mbc;
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mbcp->out_count = 4;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status) {
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netif_err(qdev, drv, qdev->ndev,
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"Could not read MPI, resetting RISC!\n");
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ql_queue_fw_error(qdev);
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} else
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/* Wake up the sleeping mpi_idc_work thread that is
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* waiting for this event.
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*/
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complete(&qdev->ide_completion);
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return status;
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}
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static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 2;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status) {
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netif_err(qdev, drv, qdev->ndev,
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"%s: Could not get mailbox status.\n", __func__);
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return;
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}
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qdev->link_status = mbcp->mbox_out[1];
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netif_err(qdev, drv, qdev->ndev, "Link Up.\n");
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/* If we're coming back from an IDC event
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* then set up the CAM and frame routing.
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*/
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if (test_bit(QL_CAM_RT_SET, &qdev->flags)) {
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status = ql_cam_route_initialize(qdev);
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if (status) {
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netif_err(qdev, ifup, qdev->ndev,
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"Failed to init CAM/Routing tables.\n");
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return;
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} else
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clear_bit(QL_CAM_RT_SET, &qdev->flags);
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}
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/* Queue up a worker to check the frame
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* size information, and fix it if it's not
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* to our liking.
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*/
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if (!test_bit(QL_PORT_CFG, &qdev->flags)) {
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netif_err(qdev, drv, qdev->ndev, "Queue Port Config Worker!\n");
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set_bit(QL_PORT_CFG, &qdev->flags);
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/* Begin polled mode early so
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* we don't get another interrupt
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* when we leave mpi_worker dpc.
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*/
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ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
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queue_delayed_work(qdev->workqueue,
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&qdev->mpi_port_cfg_work, 0);
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}
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ql_link_on(qdev);
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}
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static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 3;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status)
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netif_err(qdev, drv, qdev->ndev, "Link down AEN broken!\n");
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ql_link_off(qdev);
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}
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static int ql_sfp_in(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 5;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status)
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netif_err(qdev, drv, qdev->ndev, "SFP in AEN broken!\n");
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else
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netif_err(qdev, drv, qdev->ndev, "SFP insertion detected.\n");
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return status;
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}
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static int ql_sfp_out(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 1;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status)
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netif_err(qdev, drv, qdev->ndev, "SFP out AEN broken!\n");
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else
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netif_err(qdev, drv, qdev->ndev, "SFP removal detected.\n");
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return status;
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}
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static int ql_aen_lost(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 6;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status)
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netif_err(qdev, drv, qdev->ndev, "Lost AEN broken!\n");
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else {
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int i;
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netif_err(qdev, drv, qdev->ndev, "Lost AEN detected.\n");
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for (i = 0; i < mbcp->out_count; i++)
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netif_err(qdev, drv, qdev->ndev, "mbox_out[%d] = 0x%.08x.\n",
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i, mbcp->mbox_out[i]);
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}
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return status;
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}
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static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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mbcp->out_count = 2;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status) {
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netif_err(qdev, drv, qdev->ndev, "Firmware did not initialize!\n");
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} else {
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netif_err(qdev, drv, qdev->ndev, "Firmware Revision = 0x%.08x.\n",
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mbcp->mbox_out[1]);
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qdev->fw_rev_id = mbcp->mbox_out[1];
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status = ql_cam_route_initialize(qdev);
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if (status)
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netif_err(qdev, ifup, qdev->ndev,
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"Failed to init CAM/Routing tables.\n");
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}
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}
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/* Process an async event and clear it unless it's an
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* error condition.
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* This can get called iteratively from the mpi_work thread
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* when events arrive via an interrupt.
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* It also gets called when a mailbox command is polling for
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* it's completion. */
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static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
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{
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int status;
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int orig_count = mbcp->out_count;
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/* Just get mailbox zero for now. */
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mbcp->out_count = 1;
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status = ql_get_mb_sts(qdev, mbcp);
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if (status) {
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netif_err(qdev, drv, qdev->ndev,
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"Could not read MPI, resetting ASIC!\n");
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ql_queue_asic_error(qdev);
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goto end;
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}
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switch (mbcp->mbox_out[0]) {
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/* This case is only active when we arrive here
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* as a result of issuing a mailbox command to
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* the firmware.
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*/
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case MB_CMD_STS_INTRMDT:
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case MB_CMD_STS_GOOD:
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case MB_CMD_STS_INVLD_CMD:
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case MB_CMD_STS_XFC_ERR:
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case MB_CMD_STS_CSUM_ERR:
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case MB_CMD_STS_ERR:
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case MB_CMD_STS_PARAM_ERR:
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/* We can only get mailbox status if we're polling from an
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* unfinished command. Get the rest of the status data and
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* return back to the caller.
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* We only end up here when we're polling for a mailbox
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* command completion.
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*/
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mbcp->out_count = orig_count;
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status = ql_get_mb_sts(qdev, mbcp);
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return status;
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|
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/* We are being asked by firmware to accept
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* a change to the port. This is only
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* a change to max frame sizes (Tx/Rx), pause
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* parameters, or loopback mode.
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*/
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case AEN_IDC_REQ:
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status = ql_idc_req_aen(qdev);
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break;
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|
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/* Process and inbound IDC event.
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* This will happen when we're trying to
|
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* change tx/rx max frame size, change pause
|
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* parameters or loopback mode.
|
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*/
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case AEN_IDC_CMPLT:
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case AEN_IDC_EXT:
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status = ql_idc_cmplt_aen(qdev);
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break;
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case AEN_LINK_UP:
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ql_link_up(qdev, mbcp);
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break;
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|
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case AEN_LINK_DOWN:
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ql_link_down(qdev, mbcp);
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break;
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|
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case AEN_FW_INIT_DONE:
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/* If we're in process on executing the firmware,
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* then convert the status to normal mailbox status.
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*/
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if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
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mbcp->out_count = orig_count;
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status = ql_get_mb_sts(qdev, mbcp);
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mbcp->mbox_out[0] = MB_CMD_STS_GOOD;
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return status;
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}
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ql_init_fw_done(qdev, mbcp);
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break;
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|
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case AEN_AEN_SFP_IN:
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ql_sfp_in(qdev, mbcp);
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break;
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|
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case AEN_AEN_SFP_OUT:
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ql_sfp_out(qdev, mbcp);
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break;
|
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|
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/* This event can arrive at boot time or after an
|
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* MPI reset if the firmware failed to initialize.
|
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*/
|
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case AEN_FW_INIT_FAIL:
|
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/* If we're in process on executing the firmware,
|
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* then convert the status to normal mailbox status.
|
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*/
|
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if (mbcp->mbox_in[0] == MB_CMD_EX_FW) {
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mbcp->out_count = orig_count;
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status = ql_get_mb_sts(qdev, mbcp);
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mbcp->mbox_out[0] = MB_CMD_STS_ERR;
|
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return status;
|
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}
|
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netif_err(qdev, drv, qdev->ndev,
|
|
"Firmware initialization failed.\n");
|
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status = -EIO;
|
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ql_queue_fw_error(qdev);
|
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break;
|
|
|
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case AEN_SYS_ERR:
|
|
netif_err(qdev, drv, qdev->ndev, "System Error.\n");
|
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ql_queue_fw_error(qdev);
|
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status = -EIO;
|
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break;
|
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|
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case AEN_AEN_LOST:
|
|
ql_aen_lost(qdev, mbcp);
|
|
break;
|
|
|
|
case AEN_DCBX_CHG:
|
|
/* Need to support AEN 8110 */
|
|
break;
|
|
default:
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"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;
|
|
unsigned long 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 seconds expire we can
|
|
* assume something is wrong. */
|
|
count = jiffies + HZ * MAILBOX_TIMEOUT;
|
|
do {
|
|
/* Wait for the interrupt to come in. */
|
|
status = ql_wait_mbx_cmd_cmplt(qdev);
|
|
if (status)
|
|
continue;
|
|
|
|
/* 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))
|
|
goto done;
|
|
} while (time_before(jiffies, count));
|
|
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Timed out waiting for mailbox complete.\n");
|
|
status = -ETIMEDOUT;
|
|
goto end;
|
|
|
|
done:
|
|
|
|
/* 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)) {
|
|
status = -EIO;
|
|
}
|
|
end:
|
|
/* End polled mode for MPI */
|
|
ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
|
|
mutex_unlock(&qdev->mpi_mutex);
|
|
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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Firmware waiting for initialization.\n");
|
|
status = -EIO;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Send and ACK mailbox command to the firmware to
|
|
* let it continue with the change.
|
|
*/
|
|
static 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) {
|
|
netif_err(qdev, drv, qdev->ndev, "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.
|
|
*/
|
|
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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Port Config sent, wait for IDC.\n");
|
|
} else if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Failed Set Port Configuration.\n");
|
|
status = -EIO;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
static int ql_mb_dump_ram(struct ql_adapter *qdev, u64 req_dma, u32 addr,
|
|
u32 size)
|
|
{
|
|
int status = 0;
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 9;
|
|
mbcp->out_count = 1;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_DUMP_RISC_RAM;
|
|
mbcp->mbox_in[1] = LSW(addr);
|
|
mbcp->mbox_in[2] = MSW(req_dma);
|
|
mbcp->mbox_in[3] = LSW(req_dma);
|
|
mbcp->mbox_in[4] = MSW(size);
|
|
mbcp->mbox_in[5] = LSW(size);
|
|
mbcp->mbox_in[6] = MSW(MSD(req_dma));
|
|
mbcp->mbox_in[7] = LSW(MSD(req_dma));
|
|
mbcp->mbox_in[8] = MSW(addr);
|
|
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev, "Failed to dump risc RAM.\n");
|
|
status = -EIO;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/* Issue a mailbox command to dump RISC RAM. */
|
|
int ql_dump_risc_ram_area(struct ql_adapter *qdev, void *buf,
|
|
u32 ram_addr, int word_count)
|
|
{
|
|
int status;
|
|
char *my_buf;
|
|
dma_addr_t buf_dma;
|
|
|
|
my_buf = pci_alloc_consistent(qdev->pdev, word_count * sizeof(u32),
|
|
&buf_dma);
|
|
if (!my_buf)
|
|
return -EIO;
|
|
|
|
status = ql_mb_dump_ram(qdev, buf_dma, ram_addr, word_count);
|
|
if (!status)
|
|
memcpy(buf, my_buf, word_count * sizeof(u32));
|
|
|
|
pci_free_consistent(qdev->pdev, word_count * sizeof(u32), my_buf,
|
|
buf_dma);
|
|
return status;
|
|
}
|
|
|
|
/* Get link settings and maximum frame size settings
|
|
* for the current port.
|
|
* Most likely will block.
|
|
*/
|
|
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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Failed Get Port Configuration.\n");
|
|
status = -EIO;
|
|
} else {
|
|
netif_printk(qdev, drv, KERN_DEBUG, qdev->ndev,
|
|
"Passed Get Port Configuration.\n");
|
|
qdev->link_config = mbcp->mbox_out[1];
|
|
qdev->max_frame_size = mbcp->mbox_out[2];
|
|
}
|
|
return status;
|
|
}
|
|
|
|
int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 2;
|
|
mbcp->out_count = 1;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_SET_WOL_MODE;
|
|
mbcp->mbox_in[1] = wol;
|
|
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev, "Failed to set WOL mode.\n");
|
|
status = -EIO;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
u8 *addr = qdev->ndev->dev_addr;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 8;
|
|
mbcp->out_count = 1;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_SET_WOL_MAGIC;
|
|
if (enable_wol) {
|
|
mbcp->mbox_in[1] = (u32)addr[0];
|
|
mbcp->mbox_in[2] = (u32)addr[1];
|
|
mbcp->mbox_in[3] = (u32)addr[2];
|
|
mbcp->mbox_in[4] = (u32)addr[3];
|
|
mbcp->mbox_in[5] = (u32)addr[4];
|
|
mbcp->mbox_in[6] = (u32)addr[5];
|
|
mbcp->mbox_in[7] = 0;
|
|
} else {
|
|
mbcp->mbox_in[1] = 0;
|
|
mbcp->mbox_in[2] = 1;
|
|
mbcp->mbox_in[3] = 1;
|
|
mbcp->mbox_in[4] = 1;
|
|
mbcp->mbox_in[5] = 1;
|
|
mbcp->mbox_in[6] = 1;
|
|
mbcp->mbox_in[7] = 0;
|
|
}
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev, "Failed to set WOL mode.\n");
|
|
status = -EIO;
|
|
}
|
|
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) {
|
|
netif_err(qdev, drv, qdev->ndev, "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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"IDC Time Extension from function.\n");
|
|
wait_time += (mbcp->mbox_out[1] >> 8) & 0x0000000f;
|
|
} else if (mbcp->mbox_out[0] == AEN_IDC_CMPLT) {
|
|
netif_err(qdev, drv, qdev->ndev, "IDC Success.\n");
|
|
status = 0;
|
|
break;
|
|
} else {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"IDC: Invalid State 0x%.04x.\n",
|
|
mbcp->mbox_out[0]);
|
|
status = -EIO;
|
|
break;
|
|
}
|
|
} while (wait_time);
|
|
|
|
return status;
|
|
}
|
|
|
|
int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 2;
|
|
mbcp->out_count = 1;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_SET_LED_CFG;
|
|
mbcp->mbox_in[1] = led_config;
|
|
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Failed to set LED Configuration.\n");
|
|
status = -EIO;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
int ql_mb_get_led_cfg(struct ql_adapter *qdev)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 1;
|
|
mbcp->out_count = 2;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_GET_LED_CFG;
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Failed to get LED Configuration.\n");
|
|
status = -EIO;
|
|
} else
|
|
qdev->led_config = mbcp->mbox_out[1];
|
|
|
|
return status;
|
|
}
|
|
|
|
int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
|
|
mbcp->in_count = 1;
|
|
mbcp->out_count = 2;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_SET_MGMNT_TFK_CTL;
|
|
mbcp->mbox_in[1] = control;
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Command not supported by firmware.\n");
|
|
status = -EINVAL;
|
|
} else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
|
|
/* This indicates that the firmware is
|
|
* already in the state we are trying to
|
|
* change it to.
|
|
*/
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Command parameters make no change.\n");
|
|
}
|
|
return status;
|
|
}
|
|
|
|
/* Returns a negative error code or the mailbox command status. */
|
|
static int ql_mb_get_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 *control)
|
|
{
|
|
struct mbox_params mbc;
|
|
struct mbox_params *mbcp = &mbc;
|
|
int status;
|
|
|
|
memset(mbcp, 0, sizeof(struct mbox_params));
|
|
*control = 0;
|
|
|
|
mbcp->in_count = 1;
|
|
mbcp->out_count = 1;
|
|
|
|
mbcp->mbox_in[0] = MB_CMD_GET_MGMNT_TFK_CTL;
|
|
|
|
status = ql_mailbox_command(qdev, mbcp);
|
|
if (status)
|
|
return status;
|
|
|
|
if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) {
|
|
*control = mbcp->mbox_in[1];
|
|
return status;
|
|
}
|
|
|
|
if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Command not supported by firmware.\n");
|
|
status = -EINVAL;
|
|
} else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Failed to get MPI traffic control.\n");
|
|
status = -EIO;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
int ql_wait_fifo_empty(struct ql_adapter *qdev)
|
|
{
|
|
int count = 5;
|
|
u32 mgmnt_fifo_empty;
|
|
u32 nic_fifo_empty;
|
|
|
|
do {
|
|
nic_fifo_empty = ql_read32(qdev, STS) & STS_NFE;
|
|
ql_mb_get_mgmnt_traffic_ctl(qdev, &mgmnt_fifo_empty);
|
|
mgmnt_fifo_empty &= MB_GET_MPI_TFK_FIFO_EMPTY;
|
|
if (nic_fifo_empty && mgmnt_fifo_empty)
|
|
return 0;
|
|
msleep(100);
|
|
} while (count-- > 0);
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
/* 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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"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) {
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"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;
|
|
int timeout;
|
|
|
|
aen = mbcp->mbox_out[1] >> 16;
|
|
timeout = (mbcp->mbox_out[1] >> 8) & 0xf;
|
|
|
|
switch (aen) {
|
|
default:
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Bug: Unhandled IDC action.\n");
|
|
break;
|
|
case MB_CMD_PORT_RESET:
|
|
case MB_CMD_STOP_FW:
|
|
ql_link_off(qdev);
|
|
case MB_CMD_SET_PORT_CFG:
|
|
/* 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);
|
|
/* Do ACK if required */
|
|
if (timeout) {
|
|
status = ql_mb_idc_ack(qdev);
|
|
if (status)
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Bug: No pending IDC!\n");
|
|
} else {
|
|
netif_printk(qdev, drv, KERN_DEBUG, qdev->ndev,
|
|
"IDC ACK not required\n");
|
|
status = 0; /* success */
|
|
}
|
|
break;
|
|
|
|
/* These sub-commands issued by another (FCoE)
|
|
* function are requesting to do an operation
|
|
* on the shared resource (MPI environment).
|
|
* We currently don't issue these so we just
|
|
* ACK the request.
|
|
*/
|
|
case MB_CMD_IOP_RESTART_MPI:
|
|
case MB_CMD_IOP_PREP_LINK_DOWN:
|
|
/* Drop the link, reload the routing
|
|
* table when link comes up.
|
|
*/
|
|
ql_link_off(qdev);
|
|
set_bit(QL_CAM_RT_SET, &qdev->flags);
|
|
/* Fall through. */
|
|
case MB_CMD_IOP_DVR_START:
|
|
case MB_CMD_IOP_FLASH_ACC:
|
|
case MB_CMD_IOP_CORE_DUMP_MPI:
|
|
case MB_CMD_IOP_PREP_UPDATE_MPI:
|
|
case MB_CMD_IOP_COMP_UPDATE_MPI:
|
|
case MB_CMD_IOP_NONE: /* an IDC without params */
|
|
/* Do ACK if required */
|
|
if (timeout) {
|
|
status = ql_mb_idc_ack(qdev);
|
|
if (status)
|
|
netif_err(qdev, drv, qdev->ndev,
|
|
"Bug: No pending IDC!\n");
|
|
} else {
|
|
netif_printk(qdev, drv, KERN_DEBUG, qdev->ndev,
|
|
"IDC ACK not required\n");
|
|
status = 0; /* success */
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
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);
|
|
/* Begin polled mode for MPI */
|
|
ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
|
|
|
|
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;
|
|
}
|
|
|
|
/* End polled mode for MPI */
|
|
ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
|
|
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);
|
|
/* If we're not the dominant NIC function,
|
|
* then there is nothing to do.
|
|
*/
|
|
if (!ql_own_firmware(qdev)) {
|
|
netif_err(qdev, drv, qdev->ndev, "Don't own firmware!\n");
|
|
return;
|
|
}
|
|
|
|
if (!ql_core_dump(qdev, qdev->mpi_coredump)) {
|
|
netif_err(qdev, drv, qdev->ndev, "Core is dumped!\n");
|
|
qdev->core_is_dumped = 1;
|
|
queue_delayed_work(qdev->workqueue,
|
|
&qdev->mpi_core_to_log, 5 * HZ);
|
|
}
|
|
ql_soft_reset_mpi_risc(qdev);
|
|
}
|