--- /dev/null
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2013 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/ratelimit.h>
+#include <linux/vmalloc.h>
+#include <scsi/scsi_tcq.h>
+#include <linux/utsname.h>
+
+
+/* QLAFX00 specific Mailbox implementation functions */
+
+/*
+ * qlafx00_mailbox_command
+ * Issue mailbox command and waits for completion.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * mcp = driver internal mbx struct pointer.
+ *
+ * Output:
+ * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
+ *
+ * Returns:
+ * 0 : QLA_SUCCESS = cmd performed success
+ * 1 : QLA_FUNCTION_FAILED (error encountered)
+ * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
+ *
+ * Context:
+ * Kernel context.
+ */
+static int
+qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
+
+{
+ int rval;
+ unsigned long flags = 0;
+ device_reg_t __iomem *reg;
+ uint8_t abort_active;
+ uint8_t io_lock_on;
+ uint16_t command = 0;
+ uint32_t *iptr;
+ uint32_t __iomem *optr;
+ uint32_t cnt;
+ uint32_t mboxes;
+ unsigned long wait_time;
+ struct qla_hw_data *ha = vha->hw;
+ scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+
+ if (ha->pdev->error_state > pci_channel_io_frozen) {
+ ql_log(ql_log_warn, vha, 0x115c,
+ "error_state is greater than pci_channel_io_frozen, "
+ "exiting.\n");
+ return QLA_FUNCTION_TIMEOUT;
+ }
+
+ if (vha->device_flags & DFLG_DEV_FAILED) {
+ ql_log(ql_log_warn, vha, 0x115f,
+ "Device in failed state, exiting.\n");
+ return QLA_FUNCTION_TIMEOUT;
+ }
+
+ reg = ha->iobase;
+ io_lock_on = base_vha->flags.init_done;
+
+ rval = QLA_SUCCESS;
+ abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
+
+ if (ha->flags.pci_channel_io_perm_failure) {
+ ql_log(ql_log_warn, vha, 0x1175,
+ "Perm failure on EEH timeout MBX, exiting.\n");
+ return QLA_FUNCTION_TIMEOUT;
+ }
+
+ if (ha->flags.isp82xx_fw_hung) {
+ /* Setting Link-Down error */
+ mcp->mb[0] = MBS_LINK_DOWN_ERROR;
+ ql_log(ql_log_warn, vha, 0x1176,
+ "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
+ rval = QLA_FUNCTION_FAILED;
+ goto premature_exit;
+ }
+
+ /*
+ * Wait for active mailbox commands to finish by waiting at most tov
+ * seconds. This is to serialize actual issuing of mailbox cmds during
+ * non ISP abort time.
+ */
+ if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
+ /* Timeout occurred. Return error. */
+ ql_log(ql_log_warn, vha, 0x1177,
+ "Cmd access timeout, cmd=0x%x, Exiting.\n",
+ mcp->mb[0]);
+ return QLA_FUNCTION_TIMEOUT;
+ }
+
+ ha->flags.mbox_busy = 1;
+ /* Save mailbox command for debug */
+ ha->mcp32 = mcp;
+
+ ql_dbg(ql_dbg_mbx, vha, 0x1178,
+ "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Load mailbox registers. */
+ optr = (uint32_t __iomem *)®->ispfx00.mailbox0;
+
+ iptr = mcp->mb;
+ command = mcp->mb[0];
+ mboxes = mcp->out_mb;
+
+ for (cnt = 0; cnt < ha->mbx_count; cnt++) {
+ if (mboxes & BIT_0)
+ WRT_REG_DWORD(optr, *iptr);
+
+ mboxes >>= 1;
+ optr++;
+ iptr++;
+ }
+
+ /* Issue set host interrupt command to send cmd out. */
+ ha->flags.mbox_int = 0;
+ clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+
+ ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
+ (uint8_t *)mcp->mb, 16);
+ ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
+ ((uint8_t *)mcp->mb + 0x10), 16);
+ ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
+ ((uint8_t *)mcp->mb + 0x20), 8);
+
+ /* Unlock mbx registers and wait for interrupt */
+ ql_dbg(ql_dbg_mbx, vha, 0x1179,
+ "Going to unlock irq & waiting for interrupts. "
+ "jiffies=%lx.\n", jiffies);
+
+ /* Wait for mbx cmd completion until timeout */
+ if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
+ set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+
+ QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
+
+ clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+
+ } else {
+ ql_dbg(ql_dbg_mbx, vha, 0x112c,
+ "Cmd=%x Polling Mode.\n", command);
+
+ QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
+ while (!ha->flags.mbox_int) {
+ if (time_after(jiffies, wait_time))
+ break;
+
+ /* Check for pending interrupts. */
+ qla2x00_poll(ha->rsp_q_map[0]);
+
+ if (!ha->flags.mbox_int &&
+ !(IS_QLA2200(ha) &&
+ command == MBC_LOAD_RISC_RAM_EXTENDED))
+ usleep_range(10000, 11000);
+ } /* while */
+ ql_dbg(ql_dbg_mbx, vha, 0x112d,
+ "Waited %d sec.\n",
+ (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
+ }
+
+ /* Check whether we timed out */
+ if (ha->flags.mbox_int) {
+ uint32_t *iptr2;
+
+ ql_dbg(ql_dbg_mbx, vha, 0x112e,
+ "Cmd=%x completed.\n", command);
+
+ /* Got interrupt. Clear the flag. */
+ ha->flags.mbox_int = 0;
+ clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+
+ if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
+ rval = QLA_FUNCTION_FAILED;
+
+ /* Load return mailbox registers. */
+ iptr2 = mcp->mb;
+ iptr = (uint32_t *)&ha->mailbox_out32[0];
+ mboxes = mcp->in_mb;
+ for (cnt = 0; cnt < ha->mbx_count; cnt++) {
+ if (mboxes & BIT_0)
+ *iptr2 = *iptr;
+
+ mboxes >>= 1;
+ iptr2++;
+ iptr++;
+ }
+ } else {
+
+ rval = QLA_FUNCTION_TIMEOUT;
+ }
+
+ ha->flags.mbox_busy = 0;
+
+ /* Clean up */
+ ha->mcp32 = NULL;
+
+ if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
+ ql_dbg(ql_dbg_mbx, vha, 0x113a,
+ "checking for additional resp interrupt.\n");
+
+ /* polling mode for non isp_abort commands. */
+ qla2x00_poll(ha->rsp_q_map[0]);
+ }
+
+ if (rval == QLA_FUNCTION_TIMEOUT &&
+ mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
+ if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
+ ha->flags.eeh_busy) {
+ /* not in dpc. schedule it for dpc to take over. */
+ ql_dbg(ql_dbg_mbx, vha, 0x115d,
+ "Timeout, schedule isp_abort_needed.\n");
+
+ if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
+ !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
+ !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+
+ ql_log(ql_log_info, base_vha, 0x115e,
+ "Mailbox cmd timeout occurred, cmd=0x%x, "
+ "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
+ "abort.\n", command, mcp->mb[0],
+ ha->flags.eeh_busy);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ }
+ } else if (!abort_active) {
+ /* call abort directly since we are in the DPC thread */
+ ql_dbg(ql_dbg_mbx, vha, 0x1160,
+ "Timeout, calling abort_isp.\n");
+
+ if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
+ !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
+ !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
+
+ ql_log(ql_log_info, base_vha, 0x1161,
+ "Mailbox cmd timeout occurred, cmd=0x%x, "
+ "mb[0]=0x%x. Scheduling ISP abort ",
+ command, mcp->mb[0]);
+
+ set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
+ clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ if (ha->isp_ops->abort_isp(vha)) {
+ /* Failed. retry later. */
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ }
+ clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
+ ql_dbg(ql_dbg_mbx, vha, 0x1162,
+ "Finished abort_isp.\n");
+ }
+ }
+ }
+
+premature_exit:
+ /* Allow next mbx cmd to come in. */
+ complete(&ha->mbx_cmd_comp);
+
+ if (rval) {
+ ql_log(ql_log_warn, base_vha, 0x1163,
+ "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
+ "mb[3]=%x, cmd=%x ****.\n",
+ mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
+ } else {
+ ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
+ }
+
+ return rval;
+}
+
+/*
+ * qlafx00_driver_shutdown
+ * Indicate a driver shutdown to firmware.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+static int
+qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
+{
+ int rval;
+ struct mbx_cmd_32 mc;
+ struct mbx_cmd_32 *mcp = &mc;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
+ "Entered %s.\n", __func__);
+
+ mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
+ mcp->out_mb = MBX_0;
+ mcp->in_mb = MBX_0;
+ if (tmo)
+ mcp->tov = tmo;
+ else
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qlafx00_mailbox_command(vha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x1167,
+ "Failed=%x.\n", rval);
+ } else {
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
+ "Done %s.\n", __func__);
+ }
+
+ return rval;
+}
+
+/*
+ * qlafx00_get_firmware_state
+ * Get adapter firmware state.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * TARGET_QUEUE_LOCK must be released.
+ * ADAPTER_STATE_LOCK must be released.
+ *
+ * Returns:
+ * qla7xxx local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+static int
+qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
+{
+ int rval;
+ struct mbx_cmd_32 mc;
+ struct mbx_cmd_32 *mcp = &mc;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
+ "Entered %s.\n", __func__);
+
+ mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
+ mcp->out_mb = MBX_0;
+ mcp->in_mb = MBX_1|MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qlafx00_mailbox_command(vha, mcp);
+
+ /* Return firmware states. */
+ states[0] = mcp->mb[1];
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x116a,
+ "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+ } else {
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
+ "Done %s.\n", __func__);
+ }
+ return rval;
+}
+
+/*
+ * qlafx00_init_firmware
+ * Initialize adapter firmware.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * dptr = Initialization control block pointer.
+ * size = size of initialization control block.
+ * TARGET_QUEUE_LOCK must be released.
+ * ADAPTER_STATE_LOCK must be released.
+ *
+ * Returns:
+ * qlafx00 local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
+{
+ int rval;
+ struct mbx_cmd_32 mc;
+ struct mbx_cmd_32 *mcp = &mc;
+ struct qla_hw_data *ha = vha->hw;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
+ "Entered %s.\n", __func__);
+
+ mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
+
+ mcp->mb[1] = 0;
+ mcp->mb[2] = MSD(ha->init_cb_dma);
+ mcp->mb[3] = LSD(ha->init_cb_dma);
+
+ mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_0;
+ mcp->buf_size = size;
+ mcp->flags = MBX_DMA_OUT;
+ mcp->tov = MBX_TOV_SECONDS;
+ rval = qlafx00_mailbox_command(vha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x116d,
+ "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+ } else {
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
+ "Done %s.\n", __func__);
+ }
+ return rval;
+}
+
+/*
+ * qlafx00_mbx_reg_test
+ */
+static int
+qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct mbx_cmd_32 mc;
+ struct mbx_cmd_32 *mcp = &mc;
+
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
+ "Entered %s.\n", __func__);
+
+
+ mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
+ mcp->mb[1] = 0xAAAA;
+ mcp->mb[2] = 0x5555;
+ mcp->mb[3] = 0xAA55;
+ mcp->mb[4] = 0x55AA;
+ mcp->mb[5] = 0xA5A5;
+ mcp->mb[6] = 0x5A5A;
+ mcp->mb[7] = 0x2525;
+ mcp->mb[8] = 0xBBBB;
+ mcp->mb[9] = 0x6666;
+ mcp->mb[10] = 0xBB66;
+ mcp->mb[11] = 0x66BB;
+ mcp->mb[12] = 0xB6B6;
+ mcp->mb[13] = 0x6B6B;
+ mcp->mb[14] = 0x3636;
+ mcp->mb[15] = 0xCCCC;
+
+
+ mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
+ MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
+ MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->buf_size = 0;
+ mcp->flags = MBX_DMA_OUT;
+ mcp->tov = MBX_TOV_SECONDS;
+ rval = qlafx00_mailbox_command(vha, mcp);
+ if (rval == QLA_SUCCESS) {
+ if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
+ mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
+ rval = QLA_FUNCTION_FAILED;
+ if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
+ mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
+ rval = QLA_FUNCTION_FAILED;
+ if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
+ mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
+ rval = QLA_FUNCTION_FAILED;
+ if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
+ mcp->mb[31] != 0xCCCC)
+ rval = QLA_FUNCTION_FAILED;
+ }
+
+ if (rval != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_mbx, vha, 0x1170,
+ "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
+ } else {
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
+ "Done %s.\n", __func__);
+ }
+ return rval;
+}
+
+/**
+ * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qlafx00_pci_config(scsi_qla_host_t *vha)
+{
+ uint16_t w;
+ struct qla_hw_data *ha = vha->hw;
+
+ pci_set_master(ha->pdev);
+ pci_try_set_mwi(ha->pdev);
+
+ pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
+ w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
+ w &= ~PCI_COMMAND_INTX_DISABLE;
+ pci_write_config_word(ha->pdev, PCI_COMMAND, w);
+
+ /* PCIe -- adjust Maximum Read Request Size (2048). */
+ if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
+ pcie_set_readrq(ha->pdev, 2048);
+
+ ha->chip_revision = ha->pdev->revision;
+
+ return QLA_SUCCESS;
+}
+
+/**
+ * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
+ * @ha: HA context
+ *
+ */
+static inline void
+qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
+{
+ unsigned long flags = 0;
+ struct qla_hw_data *ha = vha->hw;
+ int i, core;
+ uint32_t cnt;
+
+ /* Set all 4 cores in reset */
+ for (i = 0; i < 4; i++) {
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
+ }
+
+ /* Set all 4 core Clock gating control */
+ for (i = 0; i < 4; i++) {
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
+ }
+
+ /* Reset all units in Fabric */
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
+
+ /* Reset all interrupt control registers */
+ for (i = 0; i < 115; i++) {
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
+ }
+
+ /* Reset Timers control registers. per core */
+ for (core = 0; core < 4; core++)
+ for (i = 0; i < 8; i++)
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
+
+ /* Reset per core IRQ ack register */
+ for (core = 0; core < 4; core++)
+ QLAFX00_SET_HBA_SOC_REG(ha,
+ (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
+
+ /* Set Fabric control and config to defaults */
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Kick in Fabric units */
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
+
+ /* Kick in Core0 to start boot process */
+ QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
+
+ /* Wait 10secs for soft-reset to complete. */
+ for (cnt = 10; cnt; cnt--) {
+ msleep(1000);
+ barrier();
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+/**
+ * qlafx00_soft_reset() - Soft Reset ISPFx00.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+void
+qlafx00_soft_reset(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (unlikely(pci_channel_offline(ha->pdev) &&
+ ha->flags.pci_channel_io_perm_failure))
+ return;
+
+ ha->isp_ops->disable_intrs(ha);
+ qlafx00_soc_cpu_reset(vha);
+ ha->isp_ops->enable_intrs(ha);
+}
+
+/**
+ * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qlafx00_chip_diag(scsi_qla_host_t *vha)
+{
+ int rval = 0;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+
+ ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
+
+ rval = qlafx00_mbx_reg_test(vha);
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x1165,
+ "Failed mailbox send register test\n");
+ } else {
+ /* Flag a successful rval */
+ rval = QLA_SUCCESS;
+ }
+ return rval;
+}
+
+void
+qlafx00_config_rings(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+ struct init_cb_fx *icb;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+
+ /* Setup ring parameters in initialization control block. */
+ icb = (struct init_cb_fx *)ha->init_cb;
+ icb->request_q_outpointer = __constant_cpu_to_le16(0);
+ icb->response_q_inpointer = __constant_cpu_to_le16(0);
+ icb->request_q_length = cpu_to_le16(req->length);
+ icb->response_q_length = cpu_to_le16(rsp->length);
+ icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
+ icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
+ icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
+ icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
+
+ WRT_REG_DWORD(®->req_q_in, 0);
+ WRT_REG_DWORD(®->req_q_out, 0);
+
+ WRT_REG_DWORD(®->rsp_q_in, 0);
+ WRT_REG_DWORD(®->rsp_q_out, 0);
+
+ /* PCI posting */
+ RD_REG_DWORD(®->rsp_q_out);
+}
+
+char *
+qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int pcie_reg;
+
+ pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+ if (pcie_reg) {
+ strcpy(str, "PCIe iSA");
+ return str;
+ }
+ return str;
+}
+
+char *
+qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ sprintf(str, "%s", ha->mr.fw_version);
+ return str;
+}
+
+void
+qlafx00_enable_intrs(struct qla_hw_data *ha)
+{
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->interrupts_on = 1;
+ QLAFX00_ENABLE_ICNTRL_REG(ha);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+void
+qlafx00_disable_intrs(struct qla_hw_data *ha)
+{
+ unsigned long flags = 0;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ha->interrupts_on = 0;
+ QLAFX00_DISABLE_ICNTRL_REG(ha);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+static void
+qlafx00_tmf_iocb_timeout(void *data)
+{
+ srb_t *sp = (srb_t *)data;
+ struct srb_iocb *tmf = &sp->u.iocb_cmd;
+
+ tmf->u.tmf.comp_status = CS_TIMEOUT;
+ complete(&tmf->u.tmf.comp);
+}
+
+static void
+qlafx00_tmf_sp_done(void *data, void *ptr, int res)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct srb_iocb *tmf = &sp->u.iocb_cmd;
+
+ complete(&tmf->u.tmf.comp);
+}
+
+static int
+qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
+ uint32_t lun, uint32_t tag)
+{
+ scsi_qla_host_t *vha = fcport->vha;
+ struct srb_iocb *tm_iocb;
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ tm_iocb = &sp->u.iocb_cmd;
+ sp->type = SRB_TM_CMD;
+ sp->name = "tmf";
+ qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
+ tm_iocb->u.tmf.flags = flags;
+ tm_iocb->u.tmf.lun = lun;
+ tm_iocb->u.tmf.data = tag;
+ sp->done = qlafx00_tmf_sp_done;
+ tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
+ init_completion(&tm_iocb->u.tmf.comp);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ ql_dbg(ql_dbg_async, vha, 0x507b,
+ "Task management command issued target_id=%x\n",
+ fcport->tgt_id);
+
+ wait_for_completion(&tm_iocb->u.tmf.comp);
+
+ rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
+ QLA_SUCCESS : QLA_FUNCTION_FAILED;
+
+done_free_sp:
+ sp->free(vha, sp);
+done:
+ return rval;
+}
+
+int
+qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
+{
+ return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
+}
+
+int
+qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
+{
+ return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
+}
+
+int
+qlafx00_iospace_config(struct qla_hw_data *ha)
+{
+ if (pci_request_selected_regions(ha->pdev, ha->bars,
+ QLA2XXX_DRIVER_NAME)) {
+ ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
+ "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ /* Use MMIO operations for all accesses. */
+ if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
+ ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
+ "Invalid pci I/O region size (%s).\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+ if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
+ ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
+ "Invalid PCI mem BAR0 region size (%s), aborting\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ ha->cregbase =
+ ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
+ if (!ha->cregbase) {
+ ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
+ "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
+ ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
+ "region #2 not an MMIO resource (%s), aborting\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+ if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
+ ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
+ "Invalid PCI mem BAR2 region size (%s), aborting\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ ha->iobase =
+ ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
+ if (!ha->iobase) {
+ ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
+ "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ /* Determine queue resources */
+ ha->max_req_queues = ha->max_rsp_queues = 1;
+
+ ql_log_pci(ql_log_info, ha->pdev, 0x012c,
+ "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
+ ha->bars, ha->cregbase, ha->iobase);
+
+ return 0;
+
+iospace_error_exit:
+ return -ENOMEM;
+}
+
+static void
+qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+
+ req->length_fx00 = req->length;
+ req->ring_fx00 = req->ring;
+ req->dma_fx00 = req->dma;
+
+ rsp->length_fx00 = rsp->length;
+ rsp->ring_fx00 = rsp->ring;
+ rsp->dma_fx00 = rsp->dma;
+
+ ql_dbg(ql_dbg_init, vha, 0x012d,
+ "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
+ "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
+ req->length_fx00, (u64)req->dma_fx00);
+
+ ql_dbg(ql_dbg_init, vha, 0x012e,
+ "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
+ "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
+ rsp->length_fx00, (u64)rsp->dma_fx00);
+}
+
+static int
+qlafx00_config_queues(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+ dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
+
+ req->length = ha->req_que_len;
+ req->ring = (void *)ha->iobase + ha->req_que_off;
+ req->dma = bar2_hdl + ha->req_que_off;
+ if ((!req->ring) || (req->length == 0)) {
+ ql_log_pci(ql_log_info, ha->pdev, 0x012f,
+ "Unable to allocate memory for req_ring\n");
+ return QLA_FUNCTION_FAILED;
+ }
+
+ ql_dbg(ql_dbg_init, vha, 0x0130,
+ "req: %p req_ring pointer %p req len 0x%x "
+ "req off 0x%x\n, req->dma: 0x%llx",
+ req, req->ring, req->length,
+ ha->req_que_off, (u64)req->dma);
+
+ rsp->length = ha->rsp_que_len;
+ rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
+ rsp->dma = bar2_hdl + ha->rsp_que_off;
+ if ((!rsp->ring) || (rsp->length == 0)) {
+ ql_log_pci(ql_log_info, ha->pdev, 0x0131,
+ "Unable to allocate memory for rsp_ring\n");
+ return QLA_FUNCTION_FAILED;
+ }
+
+ ql_dbg(ql_dbg_init, vha, 0x0132,
+ "rsp: %p rsp_ring pointer %p rsp len 0x%x "
+ "rsp off 0x%x, rsp->dma: 0x%llx\n",
+ rsp, rsp->ring, rsp->length,
+ ha->rsp_que_off, (u64)rsp->dma);
+
+ return QLA_SUCCESS;
+}
+
+static int
+qlafx00_init_fw_ready(scsi_qla_host_t *vha)
+{
+ int rval = 0;
+ unsigned long wtime;
+ uint16_t wait_time; /* Wait time */
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+ uint32_t aenmbx, aenmbx7 = 0;
+ uint32_t state[5];
+ bool done = false;
+
+ /* 30 seconds wait - Adjust if required */
+ wait_time = 30;
+
+ /* wait time before firmware ready */
+ wtime = jiffies + (wait_time * HZ);
+ do {
+ aenmbx = RD_REG_DWORD(®->aenmailbox0);
+ barrier();
+ ql_dbg(ql_dbg_mbx, vha, 0x0133,
+ "aenmbx: 0x%x\n", aenmbx);
+
+ switch (aenmbx) {
+ case MBA_FW_NOT_STARTED:
+ case MBA_FW_STARTING:
+ break;
+
+ case MBA_SYSTEM_ERR:
+ case MBA_REQ_TRANSFER_ERR:
+ case MBA_RSP_TRANSFER_ERR:
+ case MBA_FW_INIT_FAILURE:
+ qlafx00_soft_reset(vha);
+ break;
+
+ case MBA_FW_RESTART_CMPLT:
+ /* Set the mbx and rqstq intr code */
+ aenmbx7 = RD_REG_DWORD(®->aenmailbox7);
+ ha->mbx_intr_code = MSW(aenmbx7);
+ ha->rqstq_intr_code = LSW(aenmbx7);
+ ha->req_que_off = RD_REG_DWORD(®->aenmailbox1);
+ ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3);
+ ha->req_que_len = RD_REG_DWORD(®->aenmailbox5);
+ ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6);
+ WRT_REG_DWORD(®->aenmailbox0, 0);
+ RD_REG_DWORD_RELAXED(®->aenmailbox0);
+ ql_dbg(ql_dbg_init, vha, 0x0134,
+ "f/w returned mbx_intr_code: 0x%x, "
+ "rqstq_intr_code: 0x%x\n",
+ ha->mbx_intr_code, ha->rqstq_intr_code);
+ QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
+ rval = QLA_SUCCESS;
+ done = true;
+ break;
+
+ default:
+ /* If fw is apparently not ready. In order to continue,
+ * we might need to issue Mbox cmd, but the problem is
+ * that the DoorBell vector values that come with the
+ * 8060 AEN are most likely gone by now (and thus no
+ * bell would be rung on the fw side when mbox cmd is
+ * issued). We have to therefore grab the 8060 AEN
+ * shadow regs (filled in by FW when the last 8060
+ * AEN was being posted).
+ * Do the following to determine what is needed in
+ * order to get the FW ready:
+ * 1. reload the 8060 AEN values from the shadow regs
+ * 2. clear int status to get rid of possible pending
+ * interrupts
+ * 3. issue Get FW State Mbox cmd to determine fw state
+ * Set the mbx and rqstq intr code from Shadow Regs
+ */
+ aenmbx7 = RD_REG_DWORD(®->initval7);
+ ha->mbx_intr_code = MSW(aenmbx7);
+ ha->rqstq_intr_code = LSW(aenmbx7);
+ ha->req_que_off = RD_REG_DWORD(®->initval1);
+ ha->rsp_que_off = RD_REG_DWORD(®->initval3);
+ ha->req_que_len = RD_REG_DWORD(®->initval5);
+ ha->rsp_que_len = RD_REG_DWORD(®->initval6);
+ ql_dbg(ql_dbg_init, vha, 0x0135,
+ "f/w returned mbx_intr_code: 0x%x, "
+ "rqstq_intr_code: 0x%x\n",
+ ha->mbx_intr_code, ha->rqstq_intr_code);
+ QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
+
+ /* Get the FW state */
+ rval = qlafx00_get_firmware_state(vha, state);
+ if (rval != QLA_SUCCESS) {
+ /* Retry if timer has not expired */
+ break;
+ }
+
+ if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
+ /* Firmware is waiting to be
+ * initialized by driver
+ */
+ rval = QLA_SUCCESS;
+ done = true;
+ break;
+ }
+
+ /* Issue driver shutdown and wait until f/w recovers.
+ * Driver should continue to poll until 8060 AEN is
+ * received indicating firmware recovery.
+ */
+ ql_dbg(ql_dbg_init, vha, 0x0136,
+ "Sending Driver shutdown fw_state 0x%x\n",
+ state[0]);
+
+ rval = qlafx00_driver_shutdown(vha, 10);
+ if (rval != QLA_SUCCESS) {
+ rval = QLA_FUNCTION_FAILED;
+ break;
+ }
+ msleep(500);
+
+ wtime = jiffies + (wait_time * HZ);
+ break;
+ }
+
+ if (!done) {
+ if (time_after_eq(jiffies, wtime)) {
+ ql_dbg(ql_dbg_init, vha, 0x0137,
+ "Init f/w failed: aen[7]: 0x%x\n",
+ RD_REG_DWORD(®->aenmailbox7));
+ rval = QLA_FUNCTION_FAILED;
+ done = true;
+ break;
+ }
+ /* Delay for a while */
+ msleep(500);
+ }
+ } while (!done);
+
+ if (rval)
+ ql_dbg(ql_dbg_init, vha, 0x0138,
+ "%s **** FAILED ****.\n", __func__);
+ else
+ ql_dbg(ql_dbg_init, vha, 0x0139,
+ "%s **** SUCCESS ****.\n", __func__);
+
+ return rval;
+}
+
+/*
+ * qlafx00_fw_ready() - Waits for firmware ready.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qlafx00_fw_ready(scsi_qla_host_t *vha)
+{
+ int rval;
+ unsigned long wtime;
+ uint16_t wait_time; /* Wait time if loop is coming ready */
+ uint32_t state[5];
+
+ rval = QLA_SUCCESS;
+
+ wait_time = 10;
+
+ /* wait time before firmware ready */
+ wtime = jiffies + (wait_time * HZ);
+
+ /* Wait for ISP to finish init */
+ if (!vha->flags.init_done)
+ ql_dbg(ql_dbg_init, vha, 0x013a,
+ "Waiting for init to complete...\n");
+
+ do {
+ rval = qlafx00_get_firmware_state(vha, state);
+
+ if (rval == QLA_SUCCESS) {
+ if (state[0] == FSTATE_FX00_INITIALIZED) {
+ ql_dbg(ql_dbg_init, vha, 0x013b,
+ "fw_state=%x\n", state[0]);
+ rval = QLA_SUCCESS;
+ break;
+ }
+ }
+ rval = QLA_FUNCTION_FAILED;
+
+ if (time_after_eq(jiffies, wtime))
+ break;
+
+ /* Delay for a while */
+ msleep(500);
+
+ ql_dbg(ql_dbg_init, vha, 0x013c,
+ "fw_state=%x curr time=%lx.\n", state[0], jiffies);
+ } while (1);
+
+
+ if (rval)
+ ql_dbg(ql_dbg_init, vha, 0x013d,
+ "Firmware ready **** FAILED ****.\n");
+ else
+ ql_dbg(ql_dbg_init, vha, 0x013e,
+ "Firmware ready **** SUCCESS ****.\n");
+
+ return rval;
+}
+
+static int
+qlafx00_find_all_targets(scsi_qla_host_t *vha,
+ struct list_head *new_fcports)
+{
+ int rval;
+ uint16_t tgt_id;
+ fc_port_t *fcport, *new_fcport;
+ int found;
+ struct qla_hw_data *ha = vha->hw;
+
+ rval = QLA_SUCCESS;
+
+ if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
+ return QLA_FUNCTION_FAILED;
+
+ if ((atomic_read(&vha->loop_down_timer) ||
+ STATE_TRANSITION(vha))) {
+ atomic_set(&vha->loop_down_timer, 0);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
+ "Listing Target bit map...\n");
+ ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
+ 0x2089, (uint8_t *)ha->gid_list, 32);
+
+ /* Allocate temporary rmtport for any new rmtports discovered. */
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (new_fcport == NULL)
+ return QLA_MEMORY_ALLOC_FAILED;
+
+ for_each_set_bit(tgt_id, (void *)ha->gid_list,
+ QLAFX00_TGT_NODE_LIST_SIZE) {
+
+ /* Send get target node info */
+ new_fcport->tgt_id = tgt_id;
+ rval = qlafx00_fx_disc(vha, new_fcport,
+ FXDISC_GET_TGT_NODE_INFO);
+ if (rval != QLA_SUCCESS) {
+ ql_log(ql_log_warn, vha, 0x208a,
+ "Target info scan failed -- assuming zero-entry "
+ "result...\n");
+ continue;
+ }
+
+ /* Locate matching device in database. */
+ found = 0;
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (memcmp(new_fcport->port_name,
+ fcport->port_name, WWN_SIZE))
+ continue;
+
+ found++;
+
+ /*
+ * If tgt_id is same and state FCS_ONLINE, nothing
+ * changed.
+ */
+ if (fcport->tgt_id == new_fcport->tgt_id &&
+ atomic_read(&fcport->state) == FCS_ONLINE)
+ break;
+
+ /*
+ * Tgt ID changed or device was marked to be updated.
+ */
+ ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
+ "TGT-ID Change(%s): Present tgt id: "
+ "0x%x state: 0x%x "
+ "wwnn = %llx wwpn = %llx.\n",
+ __func__, fcport->tgt_id,
+ atomic_read(&fcport->state),
+ (unsigned long long)wwn_to_u64(fcport->node_name),
+ (unsigned long long)wwn_to_u64(fcport->port_name));
+
+ ql_log(ql_log_info, vha, 0x208c,
+ "TGT-ID Announce(%s): Discovered tgt "
+ "id 0x%x wwnn = %llx "
+ "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
+ (unsigned long long)
+ wwn_to_u64(new_fcport->node_name),
+ (unsigned long long)
+ wwn_to_u64(new_fcport->port_name));
+
+ if (atomic_read(&fcport->state) != FCS_ONLINE) {
+ fcport->old_tgt_id = fcport->tgt_id;
+ fcport->tgt_id = new_fcport->tgt_id;
+ ql_log(ql_log_info, vha, 0x208d,
+ "TGT-ID: New fcport Added: %p\n", fcport);
+ qla2x00_update_fcport(vha, fcport);
+ } else {
+ ql_log(ql_log_info, vha, 0x208e,
+ " Existing TGT-ID %x did not get "
+ " offline event from firmware.\n",
+ fcport->old_tgt_id);
+ qla2x00_mark_device_lost(vha, fcport, 0, 0);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ kfree(new_fcport);
+ return rval;
+ }
+ break;
+ }
+
+ if (found)
+ continue;
+
+ /* If device was not in our fcports list, then add it. */
+ list_add_tail(&new_fcport->list, new_fcports);
+
+ /* Allocate a new replacement fcport. */
+ new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
+ if (new_fcport == NULL)
+ return QLA_MEMORY_ALLOC_FAILED;
+ }
+
+ kfree(new_fcport);
+ return rval;
+}
+
+/*
+ * qlafx00_configure_all_targets
+ * Setup target devices with node ID's.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success.
+ * BIT_0 = error
+ */
+static int
+qlafx00_configure_all_targets(scsi_qla_host_t *vha)
+{
+ int rval;
+ fc_port_t *fcport, *rmptemp;
+ LIST_HEAD(new_fcports);
+
+ rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
+ FXDISC_GET_TGT_NODE_LIST);
+ if (rval != QLA_SUCCESS) {
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ return rval;
+ }
+
+ rval = qlafx00_find_all_targets(vha, &new_fcports);
+ if (rval != QLA_SUCCESS) {
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ return rval;
+ }
+
+ /*
+ * Delete all previous devices marked lost.
+ */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ break;
+
+ if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
+ if (fcport->port_type != FCT_INITIATOR)
+ qla2x00_mark_device_lost(vha, fcport, 0, 0);
+ }
+ }
+
+ /*
+ * Add the new devices to our devices list.
+ */
+ list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
+ break;
+
+ qla2x00_update_fcport(vha, fcport);
+ list_move_tail(&fcport->list, &vha->vp_fcports);
+ ql_log(ql_log_info, vha, 0x208f,
+ "Attach new target id 0x%x wwnn = %llx "
+ "wwpn = %llx.\n",
+ fcport->tgt_id,
+ (unsigned long long)wwn_to_u64(fcport->node_name),
+ (unsigned long long)wwn_to_u64(fcport->port_name));
+ }
+
+ /* Free all new device structures not processed. */
+ list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
+ list_del(&fcport->list);
+ kfree(fcport);
+ }
+
+ return rval;
+}
+
+/*
+ * qlafx00_configure_devices
+ * Updates Fibre Channel Device Database with what is actually on loop.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success.
+ * 1 = error.
+ * 2 = database was full and device was not configured.
+ */
+int
+qlafx00_configure_devices(scsi_qla_host_t *vha)
+{
+ int rval;
+ unsigned long flags, save_flags;
+ rval = QLA_SUCCESS;
+
+ save_flags = flags = vha->dpc_flags;
+
+ ql_dbg(ql_dbg_disc, vha, 0x2090,
+ "Configure devices -- dpc flags =0x%lx\n", flags);
+
+ rval = qlafx00_configure_all_targets(vha);
+
+ if (rval == QLA_SUCCESS) {
+ if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
+ rval = QLA_FUNCTION_FAILED;
+ } else {
+ atomic_set(&vha->loop_state, LOOP_READY);
+ ql_log(ql_log_info, vha, 0x2091,
+ "Device Ready\n");
+ }
+ }
+
+ if (rval) {
+ ql_dbg(ql_dbg_disc, vha, 0x2092,
+ "%s *** FAILED ***.\n", __func__);
+ } else {
+ ql_dbg(ql_dbg_disc, vha, 0x2093,
+ "%s: exiting normally.\n", __func__);
+ }
+ return rval;
+}
+
+static void
+qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ fc_port_t *fcport;
+
+ vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
+ ha->mr.fw_hbt_en = 0;
+ clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ vha->qla_stats.total_isp_aborts++;
+
+ ql_log(ql_log_info, vha, 0x013f,
+ "Performing ISP error recovery - ha = %p.\n", ha);
+
+ ha->isp_ops->reset_chip(vha);
+
+ if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ atomic_set(&vha->loop_down_timer,
+ QLAFX00_LOOP_DOWN_TIME);
+ } else {
+ if (!atomic_read(&vha->loop_down_timer))
+ atomic_set(&vha->loop_down_timer,
+ QLAFX00_LOOP_DOWN_TIME);
+ }
+
+ /* Clear all async request states across all VPs. */
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ fcport->flags = 0;
+ if (atomic_read(&fcport->state) == FCS_ONLINE)
+ qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
+ }
+
+ if (!ha->flags.eeh_busy) {
+ /* Requeue all commands in outstanding command list. */
+ qla2x00_abort_all_cmds(vha, DID_RESET << 16);
+ }
+
+ qla2x00_free_irqs(vha);
+ set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
+
+ /* Clear the Interrupts */
+ QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
+
+ ql_log(ql_log_info, vha, 0x0140,
+ "%s Done done - ha=%p.\n", __func__, ha);
+}
+
+/**
+ * qlafx00_init_response_q_entries() - Initializes response queue entries.
+ * @ha: HA context
+ *
+ * Beginning of request ring has initialization control block already built
+ * by nvram config routine.
+ *
+ * Returns 0 on success.
+ */
+void
+qlafx00_init_response_q_entries(struct rsp_que *rsp)
+{
+ uint16_t cnt;
+ response_t *pkt;
+
+ rsp->ring_ptr = rsp->ring;
+ rsp->ring_index = 0;
+ rsp->status_srb = NULL;
+ pkt = rsp->ring_ptr;
+ for (cnt = 0; cnt < rsp->length; cnt++) {
+ pkt->signature = RESPONSE_PROCESSED;
+ WRT_REG_DWORD(&pkt->signature, RESPONSE_PROCESSED);
+ pkt++;
+ }
+}
+
+int
+qlafx00_rescan_isp(scsi_qla_host_t *vha)
+{
+ uint32_t status = QLA_FUNCTION_FAILED;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+ uint32_t aenmbx7;
+
+ qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
+
+ aenmbx7 = RD_REG_DWORD(®->aenmailbox7);
+ ha->mbx_intr_code = MSW(aenmbx7);
+ ha->rqstq_intr_code = LSW(aenmbx7);
+ ha->req_que_off = RD_REG_DWORD(®->aenmailbox1);
+ ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3);
+ ha->req_que_len = RD_REG_DWORD(®->aenmailbox5);
+ ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6);
+
+ ql_dbg(ql_dbg_disc, vha, 0x2094,
+ "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
+ " Req que offset 0x%x Rsp que offset 0x%x\n",
+ ha->mbx_intr_code, ha->rqstq_intr_code,
+ ha->req_que_off, ha->rsp_que_len);
+
+ /* Clear the Interrupts */
+ QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
+
+ status = qla2x00_init_rings(vha);
+ if (!status) {
+ vha->flags.online = 1;
+
+ /* if no cable then assume it's good */
+ if ((vha->device_flags & DFLG_NO_CABLE))
+ status = 0;
+ /* Register system information */
+ if (qlafx00_fx_disc(vha,
+ &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
+ ql_dbg(ql_dbg_disc, vha, 0x2095,
+ "failed to register host info\n");
+ }
+ scsi_unblock_requests(vha->host);
+ return status;
+}
+
+void
+qlafx00_timer_routine(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t fw_heart_beat;
+ uint32_t aenmbx0;
+ struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+
+ /* Check firmware health */
+ if (ha->mr.fw_hbt_cnt)
+ ha->mr.fw_hbt_cnt--;
+ else {
+ if ((!ha->flags.mr_reset_hdlr_active) &&
+ (!test_bit(UNLOADING, &vha->dpc_flags)) &&
+ (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
+ (ha->mr.fw_hbt_en)) {
+ fw_heart_beat = RD_REG_DWORD(®->fwheartbeat);
+ if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
+ ha->mr.old_fw_hbt_cnt = fw_heart_beat;
+ ha->mr.fw_hbt_miss_cnt = 0;
+ } else {
+ ha->mr.fw_hbt_miss_cnt++;
+ if (ha->mr.fw_hbt_miss_cnt ==
+ QLAFX00_HEARTBEAT_MISS_CNT) {
+ set_bit(ISP_ABORT_NEEDED,
+ &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ ha->mr.fw_hbt_miss_cnt = 0;
+ }
+ }
+ }
+ ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
+ }
+
+ if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
+ /* Reset recovery to be performed in timer routine */
+ aenmbx0 = RD_REG_DWORD(®->aenmailbox0);
+ if (ha->mr.fw_reset_timer_exp) {
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ ha->mr.fw_reset_timer_exp = 0;
+ } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
+ /* Wake up DPC to rescan the targets */
+ set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
+ clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
+ } else if ((aenmbx0 == MBA_FW_STARTING) &&
+ (!ha->mr.fw_hbt_en)) {
+ ha->mr.fw_hbt_en = 1;
+ } else if (!ha->mr.fw_reset_timer_tick) {
+ if (aenmbx0 == ha->mr.old_aenmbx0_state)
+ ha->mr.fw_reset_timer_exp = 1;
+ ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
+ } else if (aenmbx0 == 0xFFFFFFFF) {
+ uint32_t data0, data1;
+
+ data0 = QLAFX00_RD_REG(ha,
+ QLAFX00_BAR1_BASE_ADDR_REG);
+ data1 = QLAFX00_RD_REG(ha,
+ QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
+
+ data0 &= 0xffff0000;
+ data1 &= 0x0000ffff;
+
+ QLAFX00_WR_REG(ha,
+ QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
+ (data0 | data1));
+ } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
+ ha->mr.fw_reset_timer_tick =
+ QLAFX00_MAX_RESET_INTERVAL;
+ }
+ ha->mr.old_aenmbx0_state = aenmbx0;
+ ha->mr.fw_reset_timer_tick--;
+ }
+}
+
+/*
+ * qlfx00a_reset_initialize
+ * Re-initialize after a iSA device reset.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success
+ */
+int
+qlafx00_reset_initialize(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (vha->device_flags & DFLG_DEV_FAILED) {
+ ql_dbg(ql_dbg_init, vha, 0x0142,
+ "Device in failed state\n");
+ return QLA_SUCCESS;
+ }
+
+ ha->flags.mr_reset_hdlr_active = 1;
+
+ if (vha->flags.online) {
+ scsi_block_requests(vha->host);
+ qlafx00_abort_isp_cleanup(vha);
+ }
+
+ ql_log(ql_log_info, vha, 0x0143,
+ "(%s): succeeded.\n", __func__);
+ ha->flags.mr_reset_hdlr_active = 0;
+ return QLA_SUCCESS;
+}
+
+/*
+ * qlafx00_abort_isp
+ * Resets ISP and aborts all outstanding commands.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success
+ */
+int
+qlafx00_abort_isp(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (vha->flags.online) {
+ if (unlikely(pci_channel_offline(ha->pdev) &&
+ ha->flags.pci_channel_io_perm_failure)) {
+ clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
+ return QLA_SUCCESS;
+ }
+
+ scsi_block_requests(vha->host);
+ qlafx00_abort_isp_cleanup(vha);
+ }
+
+ ql_log(ql_log_info, vha, 0x0145,
+ "(%s): succeeded.\n", __func__);
+
+ return QLA_SUCCESS;
+}
+
+static inline fc_port_t*
+qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
+{
+ fc_port_t *fcport;
+
+ /* Check for matching device in remote port list. */
+ fcport = NULL;
+ list_for_each_entry(fcport, &vha->vp_fcports, list) {
+ if (fcport->tgt_id == tgt_id) {
+ ql_dbg(ql_dbg_async, vha, 0x5072,
+ "Matching fcport(%p) found with TGT-ID: 0x%x "
+ "and Remote TGT_ID: 0x%x\n",
+ fcport, fcport->tgt_id, tgt_id);
+ break;
+ }
+ }
+ return fcport;
+}
+
+static void
+qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
+{
+ fc_port_t *fcport;
+
+ ql_log(ql_log_info, vha, 0x5073,
+ "Detach TGT-ID: 0x%x\n", tgt_id);
+
+ fcport = qlafx00_get_fcport(vha, tgt_id);
+ if (!fcport)
+ return;
+
+ qla2x00_mark_device_lost(vha, fcport, 0, 0);
+
+ return;
+}
+
+int
+qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
+{
+ int rval = 0;
+ uint32_t aen_code, aen_data;
+
+ aen_code = FCH_EVT_VENDOR_UNIQUE;
+ aen_data = evt->u.aenfx.evtcode;
+
+ switch (evt->u.aenfx.evtcode) {
+ case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
+ if (evt->u.aenfx.mbx[1] == 0) {
+ if (evt->u.aenfx.mbx[2] == 1) {
+ if (!vha->flags.fw_tgt_reported)
+ vha->flags.fw_tgt_reported = 1;
+ atomic_set(&vha->loop_down_timer, 0);
+ atomic_set(&vha->loop_state, LOOP_UP);
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else if (evt->u.aenfx.mbx[2] == 2) {
+ qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
+ }
+ } else if (evt->u.aenfx.mbx[1] == 0xffff) {
+ if (evt->u.aenfx.mbx[2] == 1) {
+ if (!vha->flags.fw_tgt_reported)
+ vha->flags.fw_tgt_reported = 1;
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ } else if (evt->u.aenfx.mbx[2] == 2) {
+ vha->device_flags |= DFLG_NO_CABLE;
+ qla2x00_mark_all_devices_lost(vha, 1);
+ }
+ }
+ break;
+ case QLAFX00_MBA_LINK_UP:
+ aen_code = FCH_EVT_LINKUP;
+ aen_data = 0;
+ break;
+ case QLAFX00_MBA_LINK_DOWN:
+ aen_code = FCH_EVT_LINKDOWN;
+ aen_data = 0;
+ break;
+ }
+
+ fc_host_post_event(vha->host, fc_get_event_number(),
+ aen_code, aen_data);
+
+ return rval;
+}
+
+static void
+qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
+{
+ u64 port_name = 0, node_name = 0;
+
+ port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
+ node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
+
+ fc_host_node_name(vha->host) = node_name;
+ fc_host_port_name(vha->host) = port_name;
+ if (!pinfo->port_type)
+ vha->hw->current_topology = ISP_CFG_F;
+ if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
+ atomic_set(&vha->loop_state, LOOP_READY);
+ else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
+}
+
+static void
+qla2x00_fxdisc_iocb_timeout(void *data)
+{
+ srb_t *sp = (srb_t *)data;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
+
+ complete(&lio->u.fxiocb.fxiocb_comp);
+}
+
+static void
+qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct srb_iocb *lio = &sp->u.iocb_cmd;
+
+ complete(&lio->u.fxiocb.fxiocb_comp);
+}
+
+int
+qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t fx_type)
+{
+ srb_t *sp;
+ struct srb_iocb *fdisc;
+ int rval = QLA_FUNCTION_FAILED;
+ struct qla_hw_data *ha = vha->hw;
+ struct host_system_info *phost_info;
+ struct register_host_info *preg_hsi;
+ struct new_utsname *p_sysid = NULL;
+ struct timeval tv;
+
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ fdisc = &sp->u.iocb_cmd;
+ switch (fx_type) {
+ case FXDISC_GET_CONFIG_INFO:
+ fdisc->u.fxiocb.flags =
+ SRB_FXDISC_RESP_DMA_VALID;
+ fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
+ break;
+ case FXDISC_GET_PORT_INFO:
+ fdisc->u.fxiocb.flags =
+ SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
+ fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
+ fdisc->u.fxiocb.req_data = fcport->port_id;
+ break;
+ case FXDISC_GET_TGT_NODE_INFO:
+ fdisc->u.fxiocb.flags =
+ SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
+ fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
+ fdisc->u.fxiocb.req_data = fcport->tgt_id;
+ break;
+ case FXDISC_GET_TGT_NODE_LIST:
+ fdisc->u.fxiocb.flags =
+ SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
+ fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
+ break;
+ case FXDISC_REG_HOST_INFO:
+ fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
+ fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
+ p_sysid = utsname();
+ if (!p_sysid) {
+ ql_log(ql_log_warn, vha, 0x303c,
+ "Not able to get the system informtion\n");
+ goto done_free_sp;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
+ fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
+ fdisc->u.fxiocb.req_len,
+ &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
+ if (!fdisc->u.fxiocb.req_addr)
+ goto done_free_sp;
+
+ if (fx_type == FXDISC_REG_HOST_INFO) {
+ preg_hsi = (struct register_host_info *)
+ fdisc->u.fxiocb.req_addr;
+ phost_info = &preg_hsi->hsi;
+ memset(preg_hsi, 0, sizeof(struct register_host_info));
+ phost_info->os_type = OS_TYPE_LINUX;
+ strncpy(phost_info->sysname,
+ p_sysid->sysname, SYSNAME_LENGTH);
+ strncpy(phost_info->nodename,
+ p_sysid->nodename, NODENAME_LENGTH);
+ strncpy(phost_info->release,
+ p_sysid->release, RELEASE_LENGTH);
+ strncpy(phost_info->version,
+ p_sysid->version, VERSION_LENGTH);
+ strncpy(phost_info->machine,
+ p_sysid->machine, MACHINE_LENGTH);
+ strncpy(phost_info->domainname,
+ p_sysid->domainname, DOMNAME_LENGTH);
+ strncpy(phost_info->hostdriver,
+ QLA2XXX_VERSION, VERSION_LENGTH);
+ do_gettimeofday(&tv);
+ preg_hsi->utc = (uint64_t)tv.tv_sec;
+ ql_dbg(ql_dbg_init, vha, 0x0149,
+ "ISP%04X: Host registration with firmware\n",
+ ha->pdev->device);
+ ql_dbg(ql_dbg_init, vha, 0x014a,
+ "os_type = '%d', sysname = '%s', nodname = '%s'\n",
+ phost_info->os_type,
+ phost_info->sysname,
+ phost_info->nodename);
+ ql_dbg(ql_dbg_init, vha, 0x014b,
+ "release = '%s', version = '%s'\n",
+ phost_info->release,
+ phost_info->version);
+ ql_dbg(ql_dbg_init, vha, 0x014c,
+ "machine = '%s' "
+ "domainname = '%s', hostdriver = '%s'\n",
+ phost_info->machine,
+ phost_info->domainname,
+ phost_info->hostdriver);
+ ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
+ (uint8_t *)phost_info,
+ sizeof(struct host_system_info));
+ }
+ }
+
+ if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
+ fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
+ fdisc->u.fxiocb.rsp_len,
+ &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
+ if (!fdisc->u.fxiocb.rsp_addr)
+ goto done_unmap_req;
+ }
+
+ sp->type = SRB_FXIOCB_DCMD;
+ sp->name = "fxdisc";
+ qla2x00_init_timer(sp, FXDISC_TIMEOUT);
+ fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
+ fdisc->u.fxiocb.req_func_type = fx_type;
+ sp->done = qla2x00_fxdisc_sp_done;
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_unmap_dma;
+
+ wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
+
+ if (fx_type == FXDISC_GET_CONFIG_INFO) {
+ struct config_info_data *pinfo =
+ (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
+ memcpy(&vha->hw->mr.product_name, pinfo->product_name,
+ sizeof(vha->hw->mr.product_name));
+ memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
+ sizeof(vha->hw->mr.symbolic_name));
+ memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
+ sizeof(vha->hw->mr.serial_num));
+ memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
+ sizeof(vha->hw->mr.hw_version));
+ memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
+ sizeof(vha->hw->mr.fw_version));
+ strim(vha->hw->mr.fw_version);
+ memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
+ sizeof(vha->hw->mr.uboot_version));
+ memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
+ sizeof(vha->hw->mr.fru_serial_num));
+ } else if (fx_type == FXDISC_GET_PORT_INFO) {
+ struct port_info_data *pinfo =
+ (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
+ memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
+ memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
+ vha->d_id.b.domain = pinfo->port_id[0];
+ vha->d_id.b.area = pinfo->port_id[1];
+ vha->d_id.b.al_pa = pinfo->port_id[2];
+ qlafx00_update_host_attr(vha, pinfo);
+ ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
+ (uint8_t *)pinfo, 16);
+ } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
+ struct qlafx00_tgt_node_info *pinfo =
+ (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
+ memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
+ memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
+ fcport->port_type = FCT_TARGET;
+ ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
+ (uint8_t *)pinfo, 16);
+ } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
+ struct qlafx00_tgt_node_info *pinfo =
+ (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
+ ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
+ (uint8_t *)pinfo, 16);
+ memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
+ }
+ rval = fdisc->u.fxiocb.result;
+
+done_unmap_dma:
+ if (fdisc->u.fxiocb.rsp_addr)
+ dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
+ fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
+
+done_unmap_req:
+ if (fdisc->u.fxiocb.req_addr)
+ dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
+ fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
+done_free_sp:
+ sp->free(vha, sp);
+done:
+ return rval;
+}
+
+static void
+qlafx00_abort_iocb_timeout(void *data)
+{
+ srb_t *sp = (srb_t *)data;
+ struct srb_iocb *abt = &sp->u.iocb_cmd;
+
+ abt->u.abt.comp_status = CS_TIMEOUT;
+ complete(&abt->u.abt.comp);
+}
+
+static void
+qlafx00_abort_sp_done(void *data, void *ptr, int res)
+{
+ srb_t *sp = (srb_t *)ptr;
+ struct srb_iocb *abt = &sp->u.iocb_cmd;
+
+ complete(&abt->u.abt.comp);
+}
+
+static int
+qlafx00_async_abt_cmd(srb_t *cmd_sp)
+{
+ scsi_qla_host_t *vha = cmd_sp->fcport->vha;
+ fc_port_t *fcport = cmd_sp->fcport;
+ struct srb_iocb *abt_iocb;
+ srb_t *sp;
+ int rval = QLA_FUNCTION_FAILED;
+
+ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
+ if (!sp)
+ goto done;
+
+ abt_iocb = &sp->u.iocb_cmd;
+ sp->type = SRB_ABT_CMD;
+ sp->name = "abort";
+ qla2x00_init_timer(sp, FXDISC_TIMEOUT);
+ abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
+ sp->done = qlafx00_abort_sp_done;
+ abt_iocb->timeout = qlafx00_abort_iocb_timeout;
+ init_completion(&abt_iocb->u.abt.comp);
+
+ rval = qla2x00_start_sp(sp);
+ if (rval != QLA_SUCCESS)
+ goto done_free_sp;
+
+ ql_dbg(ql_dbg_async, vha, 0x507c,
+ "Abort command issued - hdl=%x, target_id=%x\n",
+ cmd_sp->handle, fcport->tgt_id);
+
+ wait_for_completion(&abt_iocb->u.abt.comp);
+
+ rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
+ QLA_SUCCESS : QLA_FUNCTION_FAILED;
+
+done_free_sp:
+ sp->free(vha, sp);
+done:
+ return rval;
+}
+
+int
+qlafx00_abort_command(srb_t *sp)
+{
+ unsigned long flags = 0;
+
+ uint32_t handle;
+ fc_port_t *fcport = sp->fcport;
+ struct scsi_qla_host *vha = fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = vha->req;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
+ if (req->outstanding_cmds[handle] == sp)
+ break;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
+ /* Command not found. */
+ return QLA_FUNCTION_FAILED;
+ }
+ return qlafx00_async_abt_cmd(sp);
+}
+
+/*
+ * qlafx00_initialize_adapter
+ * Initialize board.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success
+ */
+int
+qlafx00_initialize_adapter(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Clear adapter flags. */
+ vha->flags.online = 0;
+ ha->flags.chip_reset_done = 0;
+ vha->flags.reset_active = 0;
+ ha->flags.pci_channel_io_perm_failure = 0;
+ ha->flags.eeh_busy = 0;
+ ha->thermal_support = 0;
+ atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+ atomic_set(&vha->loop_state, LOOP_DOWN);
+ vha->device_flags = DFLG_NO_CABLE;
+ vha->dpc_flags = 0;
+ vha->flags.management_server_logged_in = 0;
+ vha->marker_needed = 0;
+ ha->isp_abort_cnt = 0;
+ ha->beacon_blink_led = 0;
+
+ set_bit(0, ha->req_qid_map);
+ set_bit(0, ha->rsp_qid_map);
+
+ ql_dbg(ql_dbg_init, vha, 0x0147,
+ "Configuring PCI space...\n");
+
+ rval = ha->isp_ops->pci_config(vha);
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x0148,
+ "Unable to configure PCI space.\n");
+ return rval;
+ }
+
+ rval = qlafx00_init_fw_ready(vha);
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ qlafx00_save_queue_ptrs(vha);
+
+ rval = qlafx00_config_queues(vha);
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ /*
+ * Allocate the array of outstanding commands
+ * now that we know the firmware resources.
+ */
+ rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
+ if (rval != QLA_SUCCESS)
+ return rval;
+
+ rval = qla2x00_init_rings(vha);
+ ha->flags.chip_reset_done = 1;
+
+ return rval;
+}
+
+uint32_t
+qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+ int rval = QLA_FUNCTION_FAILED;
+ uint32_t state[1];
+
+ if (qla2x00_reset_active(vha))
+ ql_log(ql_log_warn, vha, 0x70ce,
+ "ISP reset active.\n");
+ else if (!vha->hw->flags.eeh_busy) {
+ rval = qlafx00_get_firmware_state(vha, state);
+ }
+ if (rval != QLA_SUCCESS)
+ memset(state, -1, sizeof(state));
+
+ return state[0];
+}
+
+void
+qlafx00_get_host_speed(struct Scsi_Host *shost)
+{
+ struct qla_hw_data *ha = ((struct scsi_qla_host *)
+ (shost_priv(shost)))->hw;
+ u32 speed = FC_PORTSPEED_UNKNOWN;
+
+ switch (ha->link_data_rate) {
+ case QLAFX00_PORT_SPEED_2G:
+ speed = FC_PORTSPEED_2GBIT;
+ break;
+ case QLAFX00_PORT_SPEED_4G:
+ speed = FC_PORTSPEED_4GBIT;
+ break;
+ case QLAFX00_PORT_SPEED_8G:
+ speed = FC_PORTSPEED_8GBIT;
+ break;
+ case QLAFX00_PORT_SPEED_10G:
+ speed = FC_PORTSPEED_10GBIT;
+ break;
+ }
+ fc_host_speed(shost) = speed;
+}
+
+/** QLAFX00 specific ISR implementation functions */
+
+static inline void
+qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
+ uint32_t sense_len, struct rsp_que *rsp, int res)
+{
+ struct scsi_qla_host *vha = sp->fcport->vha;
+ struct scsi_cmnd *cp = GET_CMD_SP(sp);
+ uint32_t track_sense_len;
+
+ SET_FW_SENSE_LEN(sp, sense_len);
+
+ if (sense_len >= SCSI_SENSE_BUFFERSIZE)
+ sense_len = SCSI_SENSE_BUFFERSIZE;
+
+ SET_CMD_SENSE_LEN(sp, sense_len);
+ SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
+ track_sense_len = sense_len;
+
+ if (sense_len > par_sense_len)
+ sense_len = par_sense_len;
+
+ memcpy(cp->sense_buffer, sense_data, sense_len);
+
+ SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
+
+ SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
+ track_sense_len -= sense_len;
+ SET_CMD_SENSE_LEN(sp, track_sense_len);
+
+ ql_dbg(ql_dbg_io, vha, 0x304d,
+ "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
+ sense_len, par_sense_len, track_sense_len);
+ if (GET_FW_SENSE_LEN(sp) > 0) {
+ rsp->status_srb = sp;
+ cp->result = res;
+ }
+
+ if (sense_len) {
+ ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
+ "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
+ sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
+ cp);
+ ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
+ cp->sense_buffer, sense_len);
+ }
+}
+
+static void
+qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+ struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
+ uint16_t sstatus, uint16_t cpstatus)
+{
+ struct srb_iocb *tmf;
+
+ tmf = &sp->u.iocb_cmd;
+ if (cpstatus != CS_COMPLETE ||
+ (sstatus & SS_RESPONSE_INFO_LEN_VALID))
+ cpstatus = CS_INCOMPLETE;
+ tmf->u.tmf.comp_status = cpstatus;
+ sp->done(vha, sp, 0);
+}
+
+static void
+qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
+ struct abort_iocb_entry_fx00 *pkt)
+{
+ const char func[] = "ABT_IOCB";
+ srb_t *sp;
+ struct srb_iocb *abt;
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+ if (!sp)
+ return;
+
+ abt = &sp->u.iocb_cmd;
+ abt->u.abt.comp_status = le32_to_cpu(pkt->tgt_id_sts);
+ sp->done(vha, sp, 0);
+}
+
+static void
+qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
+ struct ioctl_iocb_entry_fx00 *pkt)
+{
+ const char func[] = "IOSB_IOCB";
+ srb_t *sp;
+ struct fc_bsg_job *bsg_job;
+ struct srb_iocb *iocb_job;
+ int res;
+ struct qla_mt_iocb_rsp_fx00 fstatus;
+ uint8_t *fw_sts_ptr;
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+ if (!sp)
+ return;
+
+ if (sp->type == SRB_FXIOCB_DCMD) {
+ iocb_job = &sp->u.iocb_cmd;
+ iocb_job->u.fxiocb.seq_number = le32_to_cpu(pkt->seq_no);
+ iocb_job->u.fxiocb.fw_flags = le32_to_cpu(pkt->fw_iotcl_flags);
+ iocb_job->u.fxiocb.result = le32_to_cpu(pkt->status);
+ if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
+ iocb_job->u.fxiocb.req_data =
+ le32_to_cpu(pkt->dataword_r);
+ } else {
+ bsg_job = sp->u.bsg_job;
+
+ memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
+
+ fstatus.reserved_1 = pkt->reserved_0;
+ fstatus.func_type = pkt->comp_func_num;
+ fstatus.ioctl_flags = pkt->fw_iotcl_flags;
+ fstatus.ioctl_data = pkt->dataword_r;
+ fstatus.adapid = pkt->adapid;
+ fstatus.adapid_hi = pkt->adapid_hi;
+ fstatus.reserved_2 = pkt->reserved_1;
+ fstatus.res_count = pkt->residuallen;
+ fstatus.status = pkt->status;
+ fstatus.seq_number = pkt->seq_no;
+ memcpy(fstatus.reserved_3,
+ pkt->reserved_2, 20 * sizeof(uint8_t));
+
+ fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
+ sizeof(struct fc_bsg_reply);
+
+ memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
+ sizeof(struct qla_mt_iocb_rsp_fx00));
+ bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
+ sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
+
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x5080,
+ (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
+
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x5074,
+ (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
+
+ res = bsg_job->reply->result = DID_OK << 16;
+ bsg_job->reply->reply_payload_rcv_len =
+ bsg_job->reply_payload.payload_len;
+ }
+ sp->done(vha, sp, res);
+}
+
+/**
+ * qlafx00_status_entry() - Process a Status IOCB entry.
+ * @ha: SCSI driver HA context
+ * @pkt: Entry pointer
+ */
+static void
+qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
+{
+ srb_t *sp;
+ fc_port_t *fcport;
+ struct scsi_cmnd *cp;
+ struct sts_entry_fx00 *sts;
+ uint16_t comp_status;
+ uint16_t scsi_status;
+ uint16_t ox_id;
+ uint8_t lscsi_status;
+ int32_t resid;
+ uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
+ fw_resid_len;
+ uint8_t *rsp_info = NULL, *sense_data = NULL;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t hindex, handle;
+ uint16_t que;
+ struct req_que *req;
+ int logit = 1;
+ int res = 0;
+
+ sts = (struct sts_entry_fx00 *) pkt;
+
+ comp_status = le16_to_cpu(sts->comp_status);
+ scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
+ hindex = sts->handle;
+ handle = LSW(hindex);
+
+ que = MSW(hindex);
+ req = ha->req_q_map[que];
+
+ /* Validate handle. */
+ if (handle < req->num_outstanding_cmds)
+ sp = req->outstanding_cmds[handle];
+ else
+ sp = NULL;
+
+ if (sp == NULL) {
+ ql_dbg(ql_dbg_io, vha, 0x3034,
+ "Invalid status handle (0x%x).\n", handle);
+
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ return;
+ }
+
+ if (sp->type == SRB_TM_CMD) {
+ req->outstanding_cmds[handle] = NULL;
+ qlafx00_tm_iocb_entry(vha, req, pkt, sp,
+ scsi_status, comp_status);
+ return;
+ }
+
+ /* Fast path completion. */
+ if (comp_status == CS_COMPLETE && scsi_status == 0) {
+ qla2x00_do_host_ramp_up(vha);
+ qla2x00_process_completed_request(vha, req, handle);
+ return;
+ }
+
+ req->outstanding_cmds[handle] = NULL;
+ cp = GET_CMD_SP(sp);
+ if (cp == NULL) {
+ ql_dbg(ql_dbg_io, vha, 0x3048,
+ "Command already returned (0x%x/%p).\n",
+ handle, sp);
+
+ return;
+ }
+
+ lscsi_status = scsi_status & STATUS_MASK;
+
+ fcport = sp->fcport;
+
+ ox_id = 0;
+ sense_len = par_sense_len = rsp_info_len = resid_len =
+ fw_resid_len = 0;
+ if (scsi_status & SS_SENSE_LEN_VALID)
+ sense_len = le32_to_cpu(sts->sense_len);
+ if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
+ resid_len = le32_to_cpu(sts->residual_len);
+ if (comp_status == CS_DATA_UNDERRUN)
+ fw_resid_len = le32_to_cpu(sts->residual_len);
+ rsp_info = sense_data = sts->data;
+ par_sense_len = sizeof(sts->data);
+
+ /* Check for overrun. */
+ if (comp_status == CS_COMPLETE &&
+ scsi_status & SS_RESIDUAL_OVER)
+ comp_status = CS_DATA_OVERRUN;
+
+ /*
+ * Based on Host and scsi status generate status code for Linux
+ */
+ switch (comp_status) {
+ case CS_COMPLETE:
+ case CS_QUEUE_FULL:
+ if (scsi_status == 0) {
+ res = DID_OK << 16;
+ break;
+ }
+ if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
+ resid = resid_len;
+ scsi_set_resid(cp, resid);
+
+ if (!lscsi_status &&
+ ((unsigned)(scsi_bufflen(cp) - resid) <
+ cp->underflow)) {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
+ "Mid-layer underflow "
+ "detected (0x%x of 0x%x bytes).\n",
+ resid, scsi_bufflen(cp));
+
+ res = DID_ERROR << 16;
+ break;
+ }
+ }
+ res = DID_OK << 16 | lscsi_status;
+
+ if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
+ "QUEUE FULL detected.\n");
+ break;
+ }
+ logit = 0;
+ if (lscsi_status != SS_CHECK_CONDITION)
+ break;
+
+ memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
+ if (!(scsi_status & SS_SENSE_LEN_VALID))
+ break;
+
+ qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
+ rsp, res);
+ break;
+
+ case CS_DATA_UNDERRUN:
+ /* Use F/W calculated residual length. */
+ if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
+ resid = fw_resid_len;
+ else
+ resid = resid_len;
+ scsi_set_resid(cp, resid);
+ if (scsi_status & SS_RESIDUAL_UNDER) {
+ if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
+ && fw_resid_len != resid_len) {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
+ "Dropped frame(s) detected "
+ "(0x%x of 0x%x bytes).\n",
+ resid, scsi_bufflen(cp));
+
+ res = DID_ERROR << 16 | lscsi_status;
+ goto check_scsi_status;
+ }
+
+ if (!lscsi_status &&
+ ((unsigned)(scsi_bufflen(cp) - resid) <
+ cp->underflow)) {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
+ "Mid-layer underflow "
+ "detected (0x%x of 0x%x bytes, "
+ "cp->underflow: 0x%x).\n",
+ resid, scsi_bufflen(cp), cp->underflow);
+
+ res = DID_ERROR << 16;
+ break;
+ }
+ } else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
+ lscsi_status != SAM_STAT_BUSY) {
+ /*
+ * scsi status of task set and busy are considered
+ * to be task not completed.
+ */
+
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
+ "Dropped frame(s) detected (0x%x "
+ "of 0x%x bytes).\n", resid,
+ scsi_bufflen(cp));
+
+ res = DID_ERROR << 16 | lscsi_status;
+ goto check_scsi_status;
+ } else {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
+ "scsi_status: 0x%x, lscsi_status: 0x%x\n",
+ scsi_status, lscsi_status);
+ }
+
+ res = DID_OK << 16 | lscsi_status;
+ logit = 0;
+
+check_scsi_status:
+ /*
+ * Check to see if SCSI Status is non zero. If so report SCSI
+ * Status.
+ */
+ if (lscsi_status != 0) {
+ if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
+ "QUEUE FULL detected.\n");
+ logit = 1;
+ break;
+ }
+ if (lscsi_status != SS_CHECK_CONDITION)
+ break;
+
+ memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
+ if (!(scsi_status & SS_SENSE_LEN_VALID))
+ break;
+
+ qlafx00_handle_sense(sp, sense_data, par_sense_len,
+ sense_len, rsp, res);
+ }
+ break;
+
+ case CS_PORT_LOGGED_OUT:
+ case CS_PORT_CONFIG_CHG:
+ case CS_PORT_BUSY:
+ case CS_INCOMPLETE:
+ case CS_PORT_UNAVAILABLE:
+ case CS_TIMEOUT:
+ case CS_RESET:
+
+ /*
+ * We are going to have the fc class block the rport
+ * while we try to recover so instruct the mid layer
+ * to requeue until the class decides how to handle this.
+ */
+ res = DID_TRANSPORT_DISRUPTED << 16;
+
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
+ "Port down status: port-state=0x%x.\n",
+ atomic_read(&fcport->state));
+
+ if (atomic_read(&fcport->state) == FCS_ONLINE)
+ qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
+ break;
+
+ case CS_ABORTED:
+ res = DID_RESET << 16;
+ break;
+
+ default:
+ res = DID_ERROR << 16;
+ break;
+ }
+
+ if (logit)
+ ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
+ "FCP command status: 0x%x-0x%x (0x%x) "
+ "nexus=%ld:%d:%d tgt_id: 0x%x lscsi_status: 0x%x"
+ "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x "
+ "rsp_info=0x%x resid=0x%x fw_resid=0x%x "
+ "sense_len=0x%x, par_sense_len=0x%x, rsp_info_len=0x%x\n",
+ comp_status, scsi_status, res, vha->host_no,
+ cp->device->id, cp->device->lun, fcport->tgt_id,
+ lscsi_status, cp->cmnd[0], cp->cmnd[1], cp->cmnd[2],
+ cp->cmnd[3], cp->cmnd[4], cp->cmnd[5], cp->cmnd[6],
+ cp->cmnd[7], cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp),
+ rsp_info_len, resid_len, fw_resid_len, sense_len,
+ par_sense_len, rsp_info_len);
+
+ if (!res)
+ qla2x00_do_host_ramp_up(vha);
+
+ if (rsp->status_srb == NULL)
+ sp->done(ha, sp, res);
+}
+
+/**
+ * qlafx00_status_cont_entry() - Process a Status Continuations entry.
+ * @ha: SCSI driver HA context
+ * @pkt: Entry pointer
+ *
+ * Extended sense data.
+ */
+static void
+qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
+{
+ uint8_t sense_sz = 0;
+ struct qla_hw_data *ha = rsp->hw;
+ struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
+ srb_t *sp = rsp->status_srb;
+ struct scsi_cmnd *cp;
+ uint32_t sense_len;
+ uint8_t *sense_ptr;
+
+ if (!sp) {
+ ql_dbg(ql_dbg_io, vha, 0x3037,
+ "no SP, sp = %p\n", sp);
+ return;
+ }
+
+ if (!GET_FW_SENSE_LEN(sp)) {
+ ql_dbg(ql_dbg_io, vha, 0x304b,
+ "no fw sense data, sp = %p\n", sp);
+ return;
+ }
+ cp = GET_CMD_SP(sp);
+ if (cp == NULL) {
+ ql_log(ql_log_warn, vha, 0x303b,
+ "cmd is NULL: already returned to OS (sp=%p).\n", sp);
+
+ rsp->status_srb = NULL;
+ return;
+ }
+
+ if (!GET_CMD_SENSE_LEN(sp)) {
+ ql_dbg(ql_dbg_io, vha, 0x304c,
+ "no sense data, sp = %p\n", sp);
+ } else {
+ sense_len = GET_CMD_SENSE_LEN(sp);
+ sense_ptr = GET_CMD_SENSE_PTR(sp);
+ ql_dbg(ql_dbg_io, vha, 0x304f,
+ "sp=%p sense_len=0x%x sense_ptr=%p.\n",
+ sp, sense_len, sense_ptr);
+
+ if (sense_len > sizeof(pkt->data))
+ sense_sz = sizeof(pkt->data);
+ else
+ sense_sz = sense_len;
+
+ /* Move sense data. */
+ ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
+ (uint8_t *)pkt, sizeof(sts_cont_entry_t));
+ memcpy(sense_ptr, pkt->data, sense_sz);
+ ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
+ sense_ptr, sense_sz);
+
+ sense_len -= sense_sz;
+ sense_ptr += sense_sz;
+
+ SET_CMD_SENSE_PTR(sp, sense_ptr);
+ SET_CMD_SENSE_LEN(sp, sense_len);
+ }
+ sense_len = GET_FW_SENSE_LEN(sp);
+ sense_len = (sense_len > sizeof(pkt->data)) ?
+ (sense_len - sizeof(pkt->data)) : 0;
+ SET_FW_SENSE_LEN(sp, sense_len);
+
+ /* Place command on done queue. */
+ if (sense_len == 0) {
+ rsp->status_srb = NULL;
+ sp->done(ha, sp, cp->result);
+ }
+}
+
+/**
+ * qlafx00_multistatus_entry() - Process Multi response queue entries.
+ * @ha: SCSI driver HA context
+ */
+static void
+qlafx00_multistatus_entry(struct scsi_qla_host *vha,
+ struct rsp_que *rsp, void *pkt)
+{
+ srb_t *sp;
+ struct multi_sts_entry_fx00 *stsmfx;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t handle, hindex, handle_count, i;
+ uint16_t que;
+ struct req_que *req;
+ uint32_t *handle_ptr;
+
+ stsmfx = (struct multi_sts_entry_fx00 *) pkt;
+
+ handle_count = stsmfx->handle_count;
+
+ if (handle_count > MAX_HANDLE_COUNT) {
+ ql_dbg(ql_dbg_io, vha, 0x3035,
+ "Invalid handle count (0x%x).\n", handle_count);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ return;
+ }
+
+ handle_ptr = (uint32_t *) &stsmfx->handles[0];
+
+ for (i = 0; i < handle_count; i++) {
+ hindex = le32_to_cpu(*handle_ptr);
+ handle = LSW(hindex);
+ que = MSW(hindex);
+ req = ha->req_q_map[que];
+
+ /* Validate handle. */
+ if (handle < req->num_outstanding_cmds)
+ sp = req->outstanding_cmds[handle];
+ else
+ sp = NULL;
+
+ if (sp == NULL) {
+ ql_dbg(ql_dbg_io, vha, 0x3044,
+ "Invalid status handle (0x%x).\n", handle);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ return;
+ }
+ qla2x00_process_completed_request(vha, req, handle);
+ handle_ptr++;
+ }
+}
+
+/**
+ * qlafx00_error_entry() - Process an error entry.
+ * @ha: SCSI driver HA context
+ * @pkt: Entry pointer
+ */
+static void
+qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
+ struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
+{
+ srb_t *sp;
+ struct qla_hw_data *ha = vha->hw;
+ const char func[] = "ERROR-IOCB";
+ uint16_t que = MSW(pkt->handle);
+ struct req_que *req = NULL;
+ int res = DID_ERROR << 16;
+
+ ql_dbg(ql_dbg_async, vha, 0x507f,
+ "type of error status in response: 0x%x\n", estatus);
+
+ req = ha->req_q_map[que];
+
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
+ if (sp) {
+ sp->done(ha, sp, res);
+ return;
+ }
+
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+}
+
+/**
+ * qlafx00_process_response_queue() - Process response queue entries.
+ * @ha: SCSI driver HA context
+ */
+static void
+qlafx00_process_response_queue(struct scsi_qla_host *vha,
+ struct rsp_que *rsp)
+{
+ struct sts_entry_fx00 *pkt;
+ response_t *lptr;
+
+ if (!vha->flags.online)
+ return;
+
+ while (RD_REG_DWORD(&(rsp->ring_ptr->signature)) !=
+ RESPONSE_PROCESSED) {
+ lptr = rsp->ring_ptr;
+ memcpy_fromio(rsp->rsp_pkt, lptr, sizeof(rsp->rsp_pkt));
+ pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
+
+ rsp->ring_index++;
+ if (rsp->ring_index == rsp->length) {
+ rsp->ring_index = 0;
+ rsp->ring_ptr = rsp->ring;
+ } else {
+ rsp->ring_ptr++;
+ }
+
+ if (pkt->entry_status != 0 &&
+ pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
+ qlafx00_error_entry(vha, rsp,
+ (struct sts_entry_fx00 *)pkt, pkt->entry_status,
+ pkt->entry_type);
+ goto next_iter;
+ continue;
+ }
+
+ switch (pkt->entry_type) {
+ case STATUS_TYPE_FX00:
+ qlafx00_status_entry(vha, rsp, pkt);
+ break;
+
+ case STATUS_CONT_TYPE_FX00:
+ qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
+ break;
+
+ case MULTI_STATUS_TYPE_FX00:
+ qlafx00_multistatus_entry(vha, rsp, pkt);
+ break;
+
+ case ABORT_IOCB_TYPE_FX00:
+ qlafx00_abort_iocb_entry(vha, rsp->req,
+ (struct abort_iocb_entry_fx00 *)pkt);
+ break;
+
+ case IOCTL_IOSB_TYPE_FX00:
+ qlafx00_ioctl_iosb_entry(vha, rsp->req,
+ (struct ioctl_iocb_entry_fx00 *)pkt);
+ break;
+ default:
+ /* Type Not Supported. */
+ ql_dbg(ql_dbg_async, vha, 0x5081,
+ "Received unknown response pkt type %x "
+ "entry status=%x.\n",
+ pkt->entry_type, pkt->entry_status);
+ break;
+ }
+next_iter:
+ WRT_REG_DWORD(&lptr->signature, RESPONSE_PROCESSED);
+ wmb();
+ }
+
+ /* Adjust ring index */
+ WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
+}
+
+/**
+ * qlafx00_async_event() - Process aynchronous events.
+ * @ha: SCSI driver HA context
+ */
+static void
+qlafx00_async_event(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_fx00 __iomem *reg;
+ int data_size = 1;
+
+ reg = &ha->iobase->ispfx00;
+ /* Setup to process RIO completion. */
+ switch (ha->aenmb[0]) {
+ case QLAFX00_MBA_SYSTEM_ERR: /* System Error */
+ ql_log(ql_log_warn, vha, 0x5079,
+ "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ break;
+
+ case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */
+ ql_dbg(ql_dbg_async, vha, 0x5076,
+ "Asynchronous FW shutdown requested.\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ break;
+
+ case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
+ ha->aenmb[1] = RD_REG_WORD(®->aenmailbox1);
+ ha->aenmb[2] = RD_REG_WORD(®->aenmailbox2);
+ ha->aenmb[3] = RD_REG_WORD(®->aenmailbox3);
+ ql_dbg(ql_dbg_async, vha, 0x5077,
+ "Asynchronous port Update received "
+ "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
+ ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
+ data_size = 4;
+ break;
+ default:
+ ha->aenmb[1] = RD_REG_WORD(®->aenmailbox1);
+ ha->aenmb[2] = RD_REG_WORD(®->aenmailbox2);
+ ha->aenmb[3] = RD_REG_WORD(®->aenmailbox3);
+ ha->aenmb[4] = RD_REG_WORD(®->aenmailbox4);
+ ha->aenmb[5] = RD_REG_WORD(®->aenmailbox5);
+ ha->aenmb[6] = RD_REG_WORD(®->aenmailbox6);
+ ha->aenmb[7] = RD_REG_WORD(®->aenmailbox7);
+ ql_dbg(ql_dbg_async, vha, 0x5078,
+ "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
+ ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
+ ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
+ break;
+ }
+ qlafx00_post_aenfx_work(vha, ha->aenmb[0],
+ (uint32_t *)ha->aenmb, data_size);
+}
+
+/**
+ *
+ * qlafx00x_mbx_completion() - Process mailbox command completions.
+ * @ha: SCSI driver HA context
+ * @mb16: Mailbox16 register
+ */
+static void
+qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
+{
+ uint16_t cnt;
+ uint16_t __iomem *wptr;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
+
+ if (!ha->mcp32)
+ ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
+
+ /* Load return mailbox registers. */
+ ha->flags.mbox_int = 1;
+ ha->mailbox_out32[0] = mb0;
+ wptr = (uint16_t __iomem *)®->mailbox17;
+
+ for (cnt = 1; cnt < ha->mbx_count; cnt++) {
+ ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
+ wptr++;
+ }
+}
+
+/**
+ * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
+ * @irq:
+ * @dev_id: SCSI driver HA context
+ *
+ * Called by system whenever the host adapter generates an interrupt.
+ *
+ * Returns handled flag.
+ */
+irqreturn_t
+qlafx00_intr_handler(int irq, void *dev_id)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct device_reg_fx00 __iomem *reg;
+ int status;
+ unsigned long iter;
+ uint32_t stat;
+ uint32_t mb[8];
+ struct rsp_que *rsp;
+ unsigned long flags;
+ uint32_t clr_intr = 0;
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ ql_log(ql_log_info, NULL, 0x507d,
+ "%s: NULL response queue pointer.\n", __func__);
+ return IRQ_NONE;
+ }
+
+ ha = rsp->hw;
+ reg = &ha->iobase->ispfx00;
+ status = 0;
+
+ if (unlikely(pci_channel_offline(ha->pdev)))
+ return IRQ_HANDLED;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ vha = pci_get_drvdata(ha->pdev);
+ for (iter = 50; iter--; clr_intr = 0) {
+ stat = QLAFX00_RD_INTR_REG(ha);
+ if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
+ break;
+
+ switch (stat & QLAFX00_HST_INT_STS_BITS) {
+ case QLAFX00_INTR_MB_CMPLT:
+ case QLAFX00_INTR_MB_RSP_CMPLT:
+ case QLAFX00_INTR_MB_ASYNC_CMPLT:
+ case QLAFX00_INTR_ALL_CMPLT:
+ mb[0] = RD_REG_WORD(®->mailbox16);
+ qlafx00_mbx_completion(vha, mb[0]);
+ status |= MBX_INTERRUPT;
+ clr_intr |= QLAFX00_INTR_MB_CMPLT;
+ break;
+ case QLAFX00_INTR_ASYNC_CMPLT:
+ case QLAFX00_INTR_RSP_ASYNC_CMPLT:
+ ha->aenmb[0] = RD_REG_WORD(®->aenmailbox0);
+ qlafx00_async_event(vha);
+ clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
+ break;
+ case QLAFX00_INTR_RSP_CMPLT:
+ qlafx00_process_response_queue(vha, rsp);
+ clr_intr |= QLAFX00_INTR_RSP_CMPLT;
+ break;
+ default:
+ ql_dbg(ql_dbg_async, vha, 0x507a,
+ "Unrecognized interrupt type (%d).\n", stat);
+ break;
+ }
+ QLAFX00_CLR_INTR_REG(ha, clr_intr);
+ QLAFX00_RD_INTR_REG(ha);
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+ (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ complete(&ha->mbx_intr_comp);
+ }
+ return IRQ_HANDLED;
+}
+
+/** QLAFX00 specific IOCB implementation functions */
+
+static inline cont_a64_entry_t *
+qlafx00_prep_cont_type1_iocb(struct req_que *req,
+ cont_a64_entry_t *lcont_pkt)
+{
+ cont_a64_entry_t *cont_pkt;
+
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else {
+ req->ring_ptr++;
+ }
+
+ cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
+
+ /* Load packet defaults. */
+ *((uint32_t *)(&lcont_pkt->entry_type)) =
+ __constant_cpu_to_le32(CONTINUE_A64_TYPE_FX00);
+
+ return cont_pkt;
+}
+
+static inline void
+qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
+ uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
+{
+ uint16_t avail_dsds;
+ uint32_t *cur_dsd;
+ scsi_qla_host_t *vha;
+ struct scsi_cmnd *cmd;
+ struct scatterlist *sg;
+ int i, cont;
+ struct req_que *req;
+ cont_a64_entry_t lcont_pkt;
+ cont_a64_entry_t *cont_pkt;
+
+ vha = sp->fcport->vha;
+ req = vha->req;
+
+ cmd = GET_CMD_SP(sp);
+ cont = 0;
+ cont_pkt = NULL;
+
+ /* Update entry type to indicate Command Type 3 IOCB */
+ *((uint32_t *)(&lcmd_pkt->entry_type)) =
+ __constant_cpu_to_le32(FX00_COMMAND_TYPE_7);
+
+ /* No data transfer */
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
+ lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
+ return;
+ }
+
+ /* Set transfer direction */
+ if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+ lcmd_pkt->cntrl_flags =
+ __constant_cpu_to_le16(TMF_WRITE_DATA);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+ lcmd_pkt->cntrl_flags =
+ __constant_cpu_to_le16(TMF_READ_DATA);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ }
+
+ /* One DSD is available in the Command Type 3 IOCB */
+ avail_dsds = 1;
+ cur_dsd = (uint32_t *)&lcmd_pkt->dseg_0_address;
+
+ /* Load data segments */
+ scsi_for_each_sg(cmd, sg, tot_dsds, i) {
+ dma_addr_t sle_dma;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Continuation
+ * Type 1 IOCB.
+ */
+ memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
+ cont_pkt =
+ qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
+ cur_dsd = (uint32_t *)lcont_pkt.dseg_0_address;
+ avail_dsds = 5;
+ cont = 1;
+ }
+
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+ if (avail_dsds == 0 && cont == 1) {
+ cont = 0;
+ memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
+ REQUEST_ENTRY_SIZE);
+ }
+
+ }
+ if (avail_dsds != 0 && cont == 1) {
+ memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
+ REQUEST_ENTRY_SIZE);
+ }
+}
+
+/**
+ * qlafx00_start_scsi() - Send a SCSI command to the ISP
+ * @sp: command to send to the ISP
+ *
+ * Returns non-zero if a failure occurred, else zero.
+ */
+int
+qlafx00_start_scsi(srb_t *sp)
+{
+ int ret, nseg;
+ unsigned long flags;
+ uint32_t index;
+ uint32_t handle;
+ uint16_t cnt;
+ uint16_t req_cnt;
+ uint16_t tot_dsds;
+ struct req_que *req = NULL;
+ struct rsp_que *rsp = NULL;
+ struct scsi_cmnd *cmd = GET_CMD_SP(sp);
+ struct scsi_qla_host *vha = sp->fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct cmd_type_7_fx00 *cmd_pkt;
+ struct cmd_type_7_fx00 lcmd_pkt;
+ struct scsi_lun llun;
+ char tag[2];
+
+ /* Setup device pointers. */
+ ret = 0;
+
+ rsp = ha->rsp_q_map[0];
+ req = vha->req;
+
+ /* So we know we haven't pci_map'ed anything yet */
+ tot_dsds = 0;
+
+ /* Forcing marker needed for now */
+ vha->marker_needed = 0;
+
+ /* Send marker if required */
+ if (vha->marker_needed != 0) {
+ if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
+ QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ vha->marker_needed = 0;
+ }
+
+ /* Acquire ring specific lock */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Check for room in outstanding command list. */
+ handle = req->current_outstanding_cmd;
+ for (index = 1; index < req->num_outstanding_cmds; index++) {
+ handle++;
+ if (handle == req->num_outstanding_cmds)
+ handle = 1;
+ if (!req->outstanding_cmds[handle])
+ break;
+ }
+ if (index == req->num_outstanding_cmds)
+ goto queuing_error;
+
+ /* Map the sg table so we have an accurate count of sg entries needed */
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
+ goto queuing_error;
+ } else
+ nseg = 0;
+
+ tot_dsds = nseg;
+ req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
+ if (req->cnt < (req_cnt + 2)) {
+ cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
+
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
+ else
+ req->cnt = req->length -
+ (req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
+ }
+
+ /* Build command packet. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+ cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ req->cnt -= req_cnt;
+
+ cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
+
+ memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
+
+ lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
+ lcmd_pkt.handle_hi = 0;
+ lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
+ lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
+
+ int_to_scsilun(cmd->device->lun, &llun);
+ host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
+ sizeof(lcmd_pkt.lun));
+
+ /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
+ if (scsi_populate_tag_msg(cmd, tag)) {
+ switch (tag[0]) {
+ case HEAD_OF_QUEUE_TAG:
+ lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
+ break;
+ case ORDERED_QUEUE_TAG:
+ lcmd_pkt.task = TSK_ORDERED;
+ break;
+ }
+ }
+
+ /* Load SCSI command packet. */
+ host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
+ lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+
+ /* Build IOCB segments */
+ qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
+
+ /* Set total data segment count. */
+ lcmd_pkt.entry_count = (uint8_t)req_cnt;
+
+ /* Specify response queue number where completion should happen */
+ lcmd_pkt.entry_status = (uint8_t) rsp->id;
+
+ ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
+ (uint8_t *)cmd->cmnd, cmd->cmd_len);
+ ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
+ (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
+
+ memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
+ wmb();
+
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else
+ req->ring_ptr++;
+
+ sp->flags |= SRB_DMA_VALID;
+
+ /* Set chip new ring index. */
+ WRT_REG_DWORD(req->req_q_in, req->ring_index);
+ QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return QLA_SUCCESS;
+
+queuing_error:
+ if (tot_dsds)
+ scsi_dma_unmap(cmd);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_FUNCTION_FAILED;
+}
+
+void
+qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
+{
+ struct srb_iocb *fxio = &sp->u.iocb_cmd;
+ scsi_qla_host_t *vha = sp->fcport->vha;
+ struct req_que *req = vha->req;
+ struct tsk_mgmt_entry_fx00 tm_iocb;
+ struct scsi_lun llun;
+
+ memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
+ tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
+ tm_iocb.entry_count = 1;
+ tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
+ tm_iocb.handle_hi = 0;
+ tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
+ tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
+ tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
+ if (tm_iocb.control_flags == TCF_LUN_RESET) {
+ int_to_scsilun(fxio->u.tmf.lun, &llun);
+ host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
+ sizeof(struct scsi_lun));
+ }
+
+ memcpy((void __iomem *)ptm_iocb, &tm_iocb,
+ sizeof(struct tsk_mgmt_entry_fx00));
+ wmb();
+}
+
+void
+qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
+{
+ struct srb_iocb *fxio = &sp->u.iocb_cmd;
+ scsi_qla_host_t *vha = sp->fcport->vha;
+ struct req_que *req = vha->req;
+ struct abort_iocb_entry_fx00 abt_iocb;
+
+ memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
+ abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
+ abt_iocb.entry_count = 1;
+ abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
+ abt_iocb.abort_handle =
+ cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
+ abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
+ abt_iocb.req_que_no = cpu_to_le16(req->id);
+
+ memcpy((void __iomem *)pabt_iocb, &abt_iocb,
+ sizeof(struct abort_iocb_entry_fx00));
+ wmb();
+}
+
+void
+qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
+{
+ struct srb_iocb *fxio = &sp->u.iocb_cmd;
+ struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
+ struct fc_bsg_job *bsg_job;
+ struct fxdisc_entry_fx00 fx_iocb;
+ uint8_t entry_cnt = 1;
+
+ memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
+ fx_iocb.entry_type = FX00_IOCB_TYPE;
+ fx_iocb.handle = cpu_to_le32(sp->handle);
+ fx_iocb.entry_count = entry_cnt;
+
+ if (sp->type == SRB_FXIOCB_DCMD) {
+ fx_iocb.func_num =
+ cpu_to_le16(sp->u.iocb_cmd.u.fxiocb.req_func_type);
+ fx_iocb.adapid = cpu_to_le32(fxio->u.fxiocb.adapter_id);
+ fx_iocb.adapid_hi = cpu_to_le32(fxio->u.fxiocb.adapter_id_hi);
+ fx_iocb.reserved_0 = cpu_to_le32(fxio->u.fxiocb.reserved_0);
+ fx_iocb.reserved_1 = cpu_to_le32(fxio->u.fxiocb.reserved_1);
+ fx_iocb.dataword_extra =
+ cpu_to_le32(fxio->u.fxiocb.req_data_extra);
+
+ if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
+ fx_iocb.req_dsdcnt = cpu_to_le16(1);
+ fx_iocb.req_xfrcnt =
+ cpu_to_le16(fxio->u.fxiocb.req_len);
+ fx_iocb.dseg_rq_address[0] =
+ cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
+ fx_iocb.dseg_rq_address[1] =
+ cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
+ fx_iocb.dseg_rq_len =
+ cpu_to_le32(fxio->u.fxiocb.req_len);
+ }
+
+ if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
+ fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
+ fx_iocb.rsp_xfrcnt =
+ cpu_to_le16(fxio->u.fxiocb.rsp_len);
+ fx_iocb.dseg_rsp_address[0] =
+ cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
+ fx_iocb.dseg_rsp_address[1] =
+ cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
+ fx_iocb.dseg_rsp_len =
+ cpu_to_le32(fxio->u.fxiocb.rsp_len);
+ }
+
+ if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
+ fx_iocb.dataword =
+ cpu_to_le32(fxio->u.fxiocb.req_data);
+ }
+ fx_iocb.flags = fxio->u.fxiocb.flags;
+ } else {
+ struct scatterlist *sg;
+ bsg_job = sp->u.bsg_job;
+ piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
+ &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
+
+ fx_iocb.func_num = piocb_rqst->func_type;
+ fx_iocb.adapid = piocb_rqst->adapid;
+ fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
+ fx_iocb.reserved_0 = piocb_rqst->reserved_0;
+ fx_iocb.reserved_1 = piocb_rqst->reserved_1;
+ fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
+ fx_iocb.dataword = piocb_rqst->dataword;
+ fx_iocb.req_xfrcnt = cpu_to_le16(piocb_rqst->req_len);
+ fx_iocb.rsp_xfrcnt = cpu_to_le16(piocb_rqst->rsp_len);
+
+ if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
+ int avail_dsds, tot_dsds;
+ cont_a64_entry_t lcont_pkt;
+ cont_a64_entry_t *cont_pkt = NULL;
+ uint32_t *cur_dsd;
+ int index = 0, cont = 0;
+
+ fx_iocb.req_dsdcnt =
+ cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ tot_dsds =
+ cpu_to_le32(bsg_job->request_payload.sg_cnt);
+ cur_dsd = (uint32_t *)&fx_iocb.dseg_rq_address[0];
+ avail_dsds = 1;
+ for_each_sg(bsg_job->request_payload.sg_list, sg,
+ tot_dsds, index) {
+ dma_addr_t sle_dma;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Cont.
+ * Type 1 IOCB.
+ */
+ memset(&lcont_pkt, 0,
+ REQUEST_ENTRY_SIZE);
+ cont_pkt =
+ qlafx00_prep_cont_type1_iocb(
+ sp->fcport->vha->req,
+ &lcont_pkt);
+ cur_dsd = (uint32_t *)
+ lcont_pkt.dseg_0_address;
+ avail_dsds = 5;
+ cont = 1;
+ entry_cnt++;
+ }
+
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+
+ if (avail_dsds == 0 && cont == 1) {
+ cont = 0;
+ memcpy_toio(
+ (void __iomem *)cont_pkt,
+ &lcont_pkt, REQUEST_ENTRY_SIZE);
+ ql_dump_buffer(
+ ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x3042,
+ (uint8_t *)&lcont_pkt,
+ REQUEST_ENTRY_SIZE);
+ }
+ }
+ if (avail_dsds != 0 && cont == 1) {
+ memcpy_toio((void __iomem *)cont_pkt,
+ &lcont_pkt, REQUEST_ENTRY_SIZE);
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x3043,
+ (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
+ }
+ }
+
+ if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
+ int avail_dsds, tot_dsds;
+ cont_a64_entry_t lcont_pkt;
+ cont_a64_entry_t *cont_pkt = NULL;
+ uint32_t *cur_dsd;
+ int index = 0, cont = 0;
+
+ fx_iocb.rsp_dsdcnt =
+ cpu_to_le16(bsg_job->reply_payload.sg_cnt);
+ tot_dsds = cpu_to_le32(bsg_job->reply_payload.sg_cnt);
+ cur_dsd = (uint32_t *)&fx_iocb.dseg_rsp_address[0];
+ avail_dsds = 1;
+
+ for_each_sg(bsg_job->reply_payload.sg_list, sg,
+ tot_dsds, index) {
+ dma_addr_t sle_dma;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Cont.
+ * Type 1 IOCB.
+ */
+ memset(&lcont_pkt, 0,
+ REQUEST_ENTRY_SIZE);
+ cont_pkt =
+ qlafx00_prep_cont_type1_iocb(
+ sp->fcport->vha->req,
+ &lcont_pkt);
+ cur_dsd = (uint32_t *)
+ lcont_pkt.dseg_0_address;
+ avail_dsds = 5;
+ cont = 1;
+ entry_cnt++;
+ }
+
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ avail_dsds--;
+
+ if (avail_dsds == 0 && cont == 1) {
+ cont = 0;
+ memcpy_toio((void __iomem *)cont_pkt,
+ &lcont_pkt,
+ REQUEST_ENTRY_SIZE);
+ ql_dump_buffer(
+ ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x3045,
+ (uint8_t *)&lcont_pkt,
+ REQUEST_ENTRY_SIZE);
+ }
+ }
+ if (avail_dsds != 0 && cont == 1) {
+ memcpy_toio((void __iomem *)cont_pkt,
+ &lcont_pkt, REQUEST_ENTRY_SIZE);
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x3046,
+ (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
+ }
+ }
+
+ if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
+ fx_iocb.dataword = cpu_to_le32(piocb_rqst->dataword);
+ fx_iocb.flags = piocb_rqst->flags;
+ fx_iocb.entry_count = entry_cnt;
+ }
+
+ ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
+ sp->fcport->vha, 0x3047,
+ (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
+
+ memcpy((void __iomem *)pfxiocb, &fx_iocb,
+ sizeof(struct fxdisc_entry_fx00));
+ wmb();
+}
projects / cascardo / linux.git / commitdiff