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ql4_mbx.c
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/*
* QLogic iSCSI HBA Driver
* Copyright (c) 2003-2010 QLogic Corporation
*
* See LICENSE.qla4xxx for copyright and licensing details.
*/
#include "ql4_def.h"
#include "ql4_glbl.h"
#include "ql4_dbg.h"
#include "ql4_inline.h"
/**
* qla4xxx_mailbox_command - issues mailbox commands
* @ha: Pointer to host adapter structure.
* @inCount: number of mailbox registers to load.
* @outCount: number of mailbox registers to return.
* @mbx_cmd: data pointer for mailbox in registers.
* @mbx_sts: data pointer for mailbox out registers.
*
* This routine issue mailbox commands and waits for completion.
* If outCount is 0, this routine completes successfully WITHOUT waiting
* for the mailbox command to complete.
**/
int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
uint8_t outCount, uint32_t *mbx_cmd,
uint32_t *mbx_sts)
{
int status = QLA_ERROR;
uint8_t i;
u_long wait_count;
uint32_t intr_status;
unsigned long flags = 0;
uint32_t dev_state;
/* Make sure that pointers are valid */
if (!mbx_cmd || !mbx_sts) {
DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
"pointer\n", ha->host_no, __func__));
return status;
}
if (is_qla40XX(ha)) {
if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
"prematurely completing mbx cmd as "
"adapter removal detected\n",
ha->host_no, __func__));
return status;
}
}
if ((is_aer_supported(ha)) &&
(test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
"timeout MBX Exiting.\n", ha->host_no, __func__));
return status;
}
/* Mailbox code active */
wait_count = MBOX_TOV * 100;
while (wait_count--) {
mutex_lock(&ha->mbox_sem);
if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
set_bit(AF_MBOX_COMMAND, &ha->flags);
mutex_unlock(&ha->mbox_sem);
break;
}
mutex_unlock(&ha->mbox_sem);
if (!wait_count) {
DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
ha->host_no, __func__));
return status;
}
msleep(10);
}
if (is_qla8022(ha)) {
if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
DEBUG2(ql4_printk(KERN_WARNING, ha,
"scsi%ld: %s: prematurely completing mbx cmd as firmware recovery detected\n",
ha->host_no, __func__));
goto mbox_exit;
}
/* Do not send any mbx cmd if h/w is in failed state*/
qla4_8xxx_idc_lock(ha);
dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
qla4_8xxx_idc_unlock(ha);
if (dev_state == QLA82XX_DEV_FAILED) {
ql4_printk(KERN_WARNING, ha,
"scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n",
ha->host_no, __func__);
goto mbox_exit;
}
}
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->mbox_status_count = outCount;
for (i = 0; i < outCount; i++)
ha->mbox_status[i] = 0;
if (is_qla8022(ha)) {
/* Load all mailbox registers, except mailbox 0. */
DEBUG5(
printk("scsi%ld: %s: Cmd ", ha->host_no, __func__);
for (i = 0; i < inCount; i++)
printk("mb%d=%04x ", i, mbx_cmd[i]);
printk("\n"));
for (i = 1; i < inCount; i++)
writel(mbx_cmd[i], &ha->qla4_8xxx_reg->mailbox_in[i]);
writel(mbx_cmd[0], &ha->qla4_8xxx_reg->mailbox_in[0]);
readl(&ha->qla4_8xxx_reg->mailbox_in[0]);
writel(HINT_MBX_INT_PENDING, &ha->qla4_8xxx_reg->hint);
} else {
/* Load all mailbox registers, except mailbox 0. */
for (i = 1; i < inCount; i++)
writel(mbx_cmd[i], &ha->reg->mailbox[i]);
/* Wakeup firmware */
writel(mbx_cmd[0], &ha->reg->mailbox[0]);
readl(&ha->reg->mailbox[0]);
writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
readl(&ha->reg->ctrl_status);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
/* Wait for completion */
/*
* If we don't want status, don't wait for the mailbox command to
* complete. For example, MBOX_CMD_RESET_FW doesn't return status,
* you must poll the inbound Interrupt Mask for completion.
*/
if (outCount == 0) {
status = QLA_SUCCESS;
goto mbox_exit;
}
/*
* Wait for completion: Poll or completion queue
*/
if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
test_bit(AF_ONLINE, &ha->flags) &&
!test_bit(AF_HA_REMOVAL, &ha->flags)) {
/* Do not poll for completion. Use completion queue */
set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
} else {
/* Poll for command to complete */
wait_count = jiffies + MBOX_TOV * HZ;
while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
if (time_after_eq(jiffies, wait_count))
break;
/*
* Service the interrupt.
* The ISR will save the mailbox status registers
* to a temporary storage location in the adapter
* structure.
*/
spin_lock_irqsave(&ha->hardware_lock, flags);
if (is_qla8022(ha)) {
intr_status =
readl(&ha->qla4_8xxx_reg->host_int);
if (intr_status & ISRX_82XX_RISC_INT) {
ha->mbox_status_count = outCount;
intr_status =
readl(&ha->qla4_8xxx_reg->host_status);
ha->isp_ops->interrupt_service_routine(
ha, intr_status);
if (test_bit(AF_INTERRUPTS_ON,
&ha->flags) &&
test_bit(AF_INTx_ENABLED,
&ha->flags))
qla4_8xxx_wr_32(ha,
ha->nx_legacy_intr.tgt_mask_reg,
0xfbff);
}
} else {
intr_status = readl(&ha->reg->ctrl_status);
if (intr_status & INTR_PENDING) {
/*
* Service the interrupt.
* The ISR will save the mailbox status
* registers to a temporary storage
* location in the adapter structure.
*/
ha->mbox_status_count = outCount;
ha->isp_ops->interrupt_service_routine(
ha, intr_status);
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
msleep(10);
}
}
/* Check for mailbox timeout. */
if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
if (is_qla8022(ha) &&
test_bit(AF_FW_RECOVERY, &ha->flags)) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: %s: prematurely completing mbx cmd as "
"firmware recovery detected\n",
ha->host_no, __func__));
goto mbox_exit;
}
DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
" Scheduling Adapter Reset\n", ha->host_no,
mbx_cmd[0]));
ha->mailbox_timeout_count++;
mbx_sts[0] = (-1);
set_bit(DPC_RESET_HA, &ha->dpc_flags);
if (is_qla8022(ha)) {
ql4_printk(KERN_INFO, ha,
"disabling pause transmit on port 0 & 1.\n");
qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
CRB_NIU_XG_PAUSE_CTL_P0 |
CRB_NIU_XG_PAUSE_CTL_P1);
}
goto mbox_exit;
}
/*
* Copy the mailbox out registers to the caller's mailbox in/out
* structure.
*/
spin_lock_irqsave(&ha->hardware_lock, flags);
for (i = 0; i < outCount; i++)
mbx_sts[i] = ha->mbox_status[i];
/* Set return status and error flags (if applicable). */
switch (ha->mbox_status[0]) {
case MBOX_STS_COMMAND_COMPLETE:
status = QLA_SUCCESS;
break;
case MBOX_STS_INTERMEDIATE_COMPLETION:
status = QLA_SUCCESS;
break;
case MBOX_STS_BUSY:
DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
ha->host_no, __func__, mbx_cmd[0]));
ha->mailbox_timeout_count++;
break;
default:
DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
"sts = %08X ****\n", ha->host_no, __func__,
mbx_cmd[0], mbx_sts[0]));
break;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mbox_exit:
mutex_lock(&ha->mbox_sem);
clear_bit(AF_MBOX_COMMAND, &ha->flags);
mutex_unlock(&ha->mbox_sem);
clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
return status;
}
/**
* qla4xxx_get_minidump_template - Get the firmware template
* @ha: Pointer to host adapter structure.
* @phys_addr: dma address for template
*
* Obtain the minidump template from firmware during initialization
* as it may not be available when minidump is desired.
**/
int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
dma_addr_t phys_addr)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_MINIDUMP;
mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND;
mbox_cmd[2] = LSDW(phys_addr);
mbox_cmd[3] = MSDW(phys_addr);
mbox_cmd[4] = ha->fw_dump_tmplt_size;
mbox_cmd[5] = 0;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
&mbox_sts[0]);
if (status != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n",
ha->host_no, __func__, mbox_cmd[0],
mbox_sts[0], mbox_sts[1]));
}
return status;
}
/**
* qla4xxx_req_template_size - Get minidump template size from firmware.
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_req_template_size(struct scsi_qla_host *ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_MINIDUMP;
mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
&mbox_sts[0]);
if (status == QLA_SUCCESS) {
ha->fw_dump_tmplt_size = mbox_sts[1];
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: sts[0]=0x%04x, template size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n",
__func__, mbox_sts[0], mbox_sts[1],
mbox_sts[2], mbox_sts[3], mbox_sts[4],
mbox_sts[5], mbox_sts[6], mbox_sts[7]));
if (ha->fw_dump_tmplt_size == 0)
status = QLA_ERROR;
} else {
ql4_printk(KERN_WARNING, ha,
"%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n",
__func__, mbox_sts[0], mbox_sts[1]);
status = QLA_ERROR;
}
return status;
}
void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
{
set_bit(AF_FW_RECOVERY, &ha->flags);
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
ha->host_no, __func__);
if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
complete(&ha->mbx_intr_comp);
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
"recovery, doing premature completion of "
"mbx cmd\n", ha->host_no, __func__);
} else {
set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
"recovery, doing premature completion of "
"polling mbx cmd\n", ha->host_no, __func__);
}
}
}
static uint8_t
qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
{
memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
if (is_qla8022(ha))
qla4_8xxx_wr_32(ha, ha->nx_db_wr_ptr, 0);
mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
mbox_cmd[1] = 0;
mbox_cmd[2] = LSDW(init_fw_cb_dma);
mbox_cmd[3] = MSDW(init_fw_cb_dma);
mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
QLA_SUCCESS) {
DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
"MBOX_CMD_INITIALIZE_FIRMWARE"
" failed w/ status %04X\n",
ha->host_no, __func__, mbox_sts[0]));
return QLA_ERROR;
}
return QLA_SUCCESS;
}
uint8_t
qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
{
memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
mbox_cmd[2] = LSDW(init_fw_cb_dma);
mbox_cmd[3] = MSDW(init_fw_cb_dma);
mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
QLA_SUCCESS) {
DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
"MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
" failed w/ status %04X\n",
ha->host_no, __func__, mbox_sts[0]));
return QLA_ERROR;
}
return QLA_SUCCESS;
}
static void
qla4xxx_update_local_ip(struct scsi_qla_host *ha,
struct addr_ctrl_blk *init_fw_cb)
{
ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
ha->ip_config.ipv4_addr_state =
le16_to_cpu(init_fw_cb->ipv4_addr_state);
ha->ip_config.eth_mtu_size =
le16_to_cpu(init_fw_cb->eth_mtu_size);
ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
if (ha->acb_version == ACB_SUPPORTED) {
ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
ha->ip_config.ipv6_addl_options =
le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
}
/* Save IPv4 Address Info */
memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
min(sizeof(ha->ip_config.ip_address),
sizeof(init_fw_cb->ipv4_addr)));
memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
min(sizeof(ha->ip_config.subnet_mask),
sizeof(init_fw_cb->ipv4_subnet)));
memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
min(sizeof(ha->ip_config.gateway),
sizeof(init_fw_cb->ipv4_gw_addr)));
ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
if (is_ipv6_enabled(ha)) {
/* Save IPv6 Address */
ha->ip_config.ipv6_link_local_state =
le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
ha->ip_config.ipv6_addr0_state =
le16_to_cpu(init_fw_cb->ipv6_addr0_state);
ha->ip_config.ipv6_addr1_state =
le16_to_cpu(init_fw_cb->ipv6_addr1_state);
ha->ip_config.ipv6_default_router_state =
le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
init_fw_cb->ipv6_if_id,
min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
sizeof(init_fw_cb->ipv6_if_id)));
memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
min(sizeof(ha->ip_config.ipv6_addr0),
sizeof(init_fw_cb->ipv6_addr0)));
memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
min(sizeof(ha->ip_config.ipv6_addr1),
sizeof(init_fw_cb->ipv6_addr1)));
memcpy(&ha->ip_config.ipv6_default_router_addr,
init_fw_cb->ipv6_dflt_rtr_addr,
min(sizeof(ha->ip_config.ipv6_default_router_addr),
sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
ha->ip_config.ipv6_vlan_tag =
be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
}
}
uint8_t
qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
uint32_t *mbox_cmd,
uint32_t *mbox_sts,
struct addr_ctrl_blk *init_fw_cb,
dma_addr_t init_fw_cb_dma)
{
if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
!= QLA_SUCCESS) {
DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
ha->host_no, __func__));
return QLA_ERROR;
}
DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
/* Save some info in adapter structure. */
ha->acb_version = init_fw_cb->acb_version;
ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
ha->heartbeat_interval = init_fw_cb->hb_interval;
memcpy(ha->name_string, init_fw_cb->iscsi_name,
min(sizeof(ha->name_string),
sizeof(init_fw_cb->iscsi_name)));
ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
/*memcpy(ha->alias, init_fw_cb->Alias,
min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
qla4xxx_update_local_ip(ha, init_fw_cb);
return QLA_SUCCESS;
}
/**
* qla4xxx_initialize_fw_cb - initializes firmware control block.
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
{
struct addr_ctrl_blk *init_fw_cb;
dma_addr_t init_fw_cb_dma;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status = QLA_ERROR;
init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
sizeof(struct addr_ctrl_blk),
&init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
ha->host_no, __func__));
goto exit_init_fw_cb_no_free;
}
memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
/* Get Initialize Firmware Control Block. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
QLA_SUCCESS) {
dma_free_coherent(&ha->pdev->dev,
sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
goto exit_init_fw_cb;
}
/* Initialize request and response queues. */
qla4xxx_init_rings(ha);
/* Fill in the request and response queue information. */
init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
/* Set up required options. */
init_fw_cb->fw_options |=
__constant_cpu_to_le16(FWOPT_SESSION_MODE |
FWOPT_INITIATOR_MODE);
if (is_qla8022(ha))
init_fw_cb->fw_options |=
__constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
init_fw_cb->add_fw_options = 0;
init_fw_cb->add_fw_options |=
__constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
init_fw_cb->add_fw_options |=
__constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
!= QLA_SUCCESS) {
DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
ha->host_no, __func__));
goto exit_init_fw_cb;
}
if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
ha->host_no, __func__));
goto exit_init_fw_cb;
}
status = QLA_SUCCESS;
exit_init_fw_cb:
dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
exit_init_fw_cb_no_free:
return status;
}
/**
* qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
{
struct addr_ctrl_blk *init_fw_cb;
dma_addr_t init_fw_cb_dma;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
sizeof(struct addr_ctrl_blk),
&init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
__func__);
return QLA_ERROR;
}
/* Get Initialize Firmware Control Block. */
memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
ha->host_no, __func__));
dma_free_coherent(&ha->pdev->dev,
sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
return QLA_ERROR;
}
/* Save IP Address. */
qla4xxx_update_local_ip(ha, init_fw_cb);
dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
return QLA_SUCCESS;
}
/**
* qla4xxx_get_firmware_state - gets firmware state of HBA
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
/* Get firmware version */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
"status %04X\n", ha->host_no, __func__,
mbox_sts[0]));
return QLA_ERROR;
}
ha->firmware_state = mbox_sts[1];
ha->board_id = mbox_sts[2];
ha->addl_fw_state = mbox_sts[3];
DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
ha->host_no, __func__, ha->firmware_state);)
return QLA_SUCCESS;
}
/**
* qla4xxx_get_firmware_status - retrieves firmware status
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
/* Get firmware version */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
"status %04X\n", ha->host_no, __func__,
mbox_sts[0]));
return QLA_ERROR;
}
ql4_printk(KERN_INFO, ha, "%ld firmware IOCBs available (%d).\n",
ha->host_no, mbox_sts[2]);
return QLA_SUCCESS;
}
/**
* qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
* @ha: Pointer to host adapter structure.
* @fw_ddb_index: Firmware's device database index
* @fw_ddb_entry: Pointer to firmware's device database entry structure
* @num_valid_ddb_entries: Pointer to number of valid ddb entries
* @next_ddb_index: Pointer to next valid device database index
* @fw_ddb_device_state: Pointer to device state
**/
int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
uint16_t fw_ddb_index,
struct dev_db_entry *fw_ddb_entry,
dma_addr_t fw_ddb_entry_dma,
uint32_t *num_valid_ddb_entries,
uint32_t *next_ddb_index,
uint32_t *fw_ddb_device_state,
uint32_t *conn_err_detail,
uint16_t *tcp_source_port_num,
uint16_t *connection_id)
{
int status = QLA_ERROR;
uint16_t options;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
/* Make sure the device index is valid */
if (fw_ddb_index >= MAX_DDB_ENTRIES) {
DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
ha->host_no, __func__, fw_ddb_index));
goto exit_get_fwddb;
}
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
if (fw_ddb_entry)
memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry));
mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
mbox_cmd[1] = (uint32_t) fw_ddb_index;
mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
mbox_cmd[4] = sizeof(struct dev_db_entry);
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
QLA_ERROR) {
DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
" with status 0x%04X\n", ha->host_no, __func__,
mbox_sts[0]));
goto exit_get_fwddb;
}
if (fw_ddb_index != mbox_sts[1]) {
DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
ha->host_no, __func__, fw_ddb_index,
mbox_sts[1]));
goto exit_get_fwddb;
}
if (fw_ddb_entry) {
options = le16_to_cpu(fw_ddb_entry->options);
if (options & DDB_OPT_IPV6_DEVICE) {
ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
"Next %d State %04x ConnErr %08x %pI6 "
":%04d \"%s\"\n", __func__, fw_ddb_index,
mbox_sts[0], mbox_sts[2], mbox_sts[3],
mbox_sts[4], mbox_sts[5],
fw_ddb_entry->ip_addr,
le16_to_cpu(fw_ddb_entry->port),
fw_ddb_entry->iscsi_name);
} else {
ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
"Next %d State %04x ConnErr %08x %pI4 "
":%04d \"%s\"\n", __func__, fw_ddb_index,
mbox_sts[0], mbox_sts[2], mbox_sts[3],
mbox_sts[4], mbox_sts[5],
fw_ddb_entry->ip_addr,
le16_to_cpu(fw_ddb_entry->port),
fw_ddb_entry->iscsi_name);
}
}
if (num_valid_ddb_entries)
*num_valid_ddb_entries = mbox_sts[2];
if (next_ddb_index)
*next_ddb_index = mbox_sts[3];
if (fw_ddb_device_state)
*fw_ddb_device_state = mbox_sts[4];
/*
* RA: This mailbox has been changed to pass connection error and
* details. Its true for ISP4010 as per Version E - Not sure when it
* was changed. Get the time2wait from the fw_dd_entry field :
* default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
* struct.
*/
if (conn_err_detail)
*conn_err_detail = mbox_sts[5];
if (tcp_source_port_num)
*tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
if (connection_id)
*connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
status = QLA_SUCCESS;
exit_get_fwddb:
return status;
}
int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
mbox_cmd[1] = fw_ddb_index;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
&mbox_sts[0]);
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
__func__, status, mbox_sts[0], mbox_sts[1]));
return status;
}
/**
* qla4xxx_set_fwddb_entry - sets a ddb entry.
* @ha: Pointer to host adapter structure.
* @fw_ddb_index: Firmware's device database index
* @fw_ddb_entry_dma: dma address of ddb entry
* @mbx_sts: mailbox 0 to be returned or NULL
*
* This routine initializes or updates the adapter's device database
* entry for the specified device.
**/
int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status;
/* Do not wait for completion. The firmware will send us an
* ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
*/
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
mbox_cmd[1] = (uint32_t) fw_ddb_index;
mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
mbox_cmd[4] = sizeof(struct dev_db_entry);
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
&mbox_sts[0]);
if (mbx_sts)
*mbx_sts = mbox_sts[0];
DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
return status;
}
int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
struct ddb_entry *ddb_entry, int options)
{
int status;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
mbox_cmd[1] = ddb_entry->fw_ddb_index;
mbox_cmd[3] = options;
status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
&mbox_sts[0]);
if (status != QLA_SUCCESS) {
DEBUG2(ql4_printk(KERN_INFO, ha,
"%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
"failed sts %04X %04X", __func__,
mbox_sts[0], mbox_sts[1]));
}
return status;
}
/**
* qla4xxx_get_crash_record - retrieves crash record.
* @ha: Pointer to host adapter structure.
*
* This routine retrieves a crash record from the QLA4010 after an 8002h aen.
**/
void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
struct crash_record *crash_record = NULL;
dma_addr_t crash_record_dma = 0;
uint32_t crash_record_size = 0;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_cmd));
/* Get size of crash record. */
mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
ha->host_no, __func__));
goto exit_get_crash_record;
}
crash_record_size = mbox_sts[4];
if (crash_record_size == 0) {
DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
ha->host_no, __func__));
goto exit_get_crash_record;
}
/* Alloc Memory for Crash Record. */
crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
&crash_record_dma, GFP_KERNEL);
if (crash_record == NULL)
goto exit_get_crash_record;
/* Get Crash Record. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_cmd));
mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
mbox_cmd[2] = LSDW(crash_record_dma);
mbox_cmd[3] = MSDW(crash_record_dma);
mbox_cmd[4] = crash_record_size;
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS)
goto exit_get_crash_record;
/* Dump Crash Record. */
exit_get_crash_record:
if (crash_record)
dma_free_coherent(&ha->pdev->dev, crash_record_size,
crash_record, crash_record_dma);
}
/**
* qla4xxx_get_conn_event_log - retrieves connection event log
* @ha: Pointer to host adapter structure.
**/
void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
struct conn_event_log_entry *event_log = NULL;
dma_addr_t event_log_dma = 0;
uint32_t event_log_size = 0;
uint32_t num_valid_entries;
uint32_t oldest_entry = 0;
uint32_t max_event_log_entries;
uint8_t i;
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_cmd));
/* Get size of crash record. */
mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS)
goto exit_get_event_log;
event_log_size = mbox_sts[4];
if (event_log_size == 0)
goto exit_get_event_log;
/* Alloc Memory for Crash Record. */
event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
&event_log_dma, GFP_KERNEL);
if (event_log == NULL)
goto exit_get_event_log;
/* Get Crash Record. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_cmd));
mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
mbox_cmd[2] = LSDW(event_log_dma);
mbox_cmd[3] = MSDW(event_log_dma);
if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
"log!\n", ha->host_no, __func__));
goto exit_get_event_log;