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qla_mbx.c
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/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2005 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
#include <linux/delay.h>
static void
qla2x00_mbx_sem_timeout(unsigned long data)
{
struct semaphore *sem_ptr = (struct semaphore *)data;
DEBUG11(printk("qla2x00_sem_timeout: entered.\n");)
if (sem_ptr != NULL) {
up(sem_ptr);
}
DEBUG11(printk("qla2x00_mbx_sem_timeout: exiting.\n");)
}
/*
* qla2x00_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
qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
{
int rval;
unsigned long flags = 0;
device_reg_t __iomem *reg = ha->iobase;
struct timer_list tmp_intr_timer;
uint8_t abort_active;
uint8_t io_lock_on = ha->flags.init_done;
uint16_t command;
uint16_t *iptr;
uint16_t __iomem *optr;
uint32_t cnt;
uint32_t mboxes;
unsigned long mbx_flags = 0;
unsigned long wait_time;
rval = QLA_SUCCESS;
abort_active = test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no);)
/*
* 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 (!abort_active) {
if (qla2x00_down_timeout(&ha->mbx_cmd_sem, mcp->tov * HZ)) {
/* Timeout occurred. Return error. */
DEBUG2_3_11(printk("%s(%ld): cmd access timeout. "
"Exiting.\n", __func__, ha->host_no);)
return QLA_FUNCTION_TIMEOUT;
}
}
ha->flags.mbox_busy = 1;
/* Save mailbox command for debug */
ha->mcp = mcp;
/* Try to get mailbox register access */
if (!abort_active)
spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
DEBUG11(printk("scsi(%ld): prepare to issue mbox cmd=0x%x.\n",
ha->host_no, mcp->mb[0]);)
spin_lock_irqsave(&ha->hardware_lock, flags);
/* Load mailbox registers. */
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
optr = (uint16_t __iomem *)®->isp24.mailbox0;
else
optr = (uint16_t __iomem *)MAILBOX_REG(ha, ®->isp, 0);
iptr = mcp->mb;
command = mcp->mb[0];
mboxes = mcp->out_mb;
for (cnt = 0; cnt < ha->mbx_count; cnt++) {
if (IS_QLA2200(ha) && cnt == 8)
optr =
(uint16_t __iomem *)MAILBOX_REG(ha, ®->isp, 8);
if (mboxes & BIT_0)
WRT_REG_WORD(optr, *iptr);
mboxes >>= 1;
optr++;
iptr++;
}
#if defined(QL_DEBUG_LEVEL_1)
printk("%s(%ld): Loaded MBX registers (displayed in bytes) = \n",
__func__, ha->host_no);
qla2x00_dump_buffer((uint8_t *)mcp->mb, 16);
printk("\n");
qla2x00_dump_buffer(((uint8_t *)mcp->mb + 0x10), 16);
printk("\n");
qla2x00_dump_buffer(((uint8_t *)mcp->mb + 0x20), 8);
printk("\n");
printk("%s(%ld): I/O address = %p.\n", __func__, ha->host_no, optr);
qla2x00_dump_regs(ha);
#endif
/* Issue set host interrupt command to send cmd out. */
ha->flags.mbox_int = 0;
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
/* Unlock mbx registers and wait for interrupt */
DEBUG11(printk("%s(%ld): going to unlock irq & waiting for interrupt. "
"jiffies=%lx.\n", __func__, ha->host_no, jiffies);)
/* Wait for mbx cmd completion until timeout */
if (!abort_active && io_lock_on) {
/* sleep on completion semaphore */
DEBUG11(printk("%s(%ld): INTERRUPT MODE. Initializing timer.\n",
__func__, ha->host_no);)
init_timer(&tmp_intr_timer);
tmp_intr_timer.data = (unsigned long)&ha->mbx_intr_sem;
tmp_intr_timer.expires = jiffies + mcp->tov * HZ;
tmp_intr_timer.function =
(void (*)(unsigned long))qla2x00_mbx_sem_timeout;
DEBUG11(printk("%s(%ld): Adding timer.\n", __func__,
ha->host_no);)
add_timer(&tmp_intr_timer);
DEBUG11(printk("%s(%ld): going to unlock & sleep. "
"time=0x%lx.\n", __func__, ha->host_no, jiffies);)
set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
WRT_REG_DWORD(®->isp24.hccr, HCCRX_SET_HOST_INT);
else
WRT_REG_WORD(®->isp.hccr, HCCR_SET_HOST_INT);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (!abort_active)
spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
/* Wait for either the timer to expire
* or the mbox completion interrupt
*/
down(&ha->mbx_intr_sem);
DEBUG11(printk("%s(%ld): waking up. time=0x%lx\n", __func__,
ha->host_no, jiffies);)
clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
/* delete the timer */
del_timer(&tmp_intr_timer);
} else {
DEBUG3_11(printk("%s(%ld): cmd=%x POLLING MODE.\n", __func__,
ha->host_no, command);)
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
WRT_REG_DWORD(®->isp24.hccr, HCCRX_SET_HOST_INT);
else
WRT_REG_WORD(®->isp.hccr, HCCR_SET_HOST_INT);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (!abort_active)
spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_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);
if (command != MBC_LOAD_RISC_RAM_EXTENDED &&
!ha->flags.mbox_int)
msleep(10);
} /* while */
}
if (!abort_active)
spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
/* Check whether we timed out */
if (ha->flags.mbox_int) {
uint16_t *iptr2;
DEBUG3_11(printk("%s(%ld): cmd %x completed.\n", __func__,
ha->host_no, command);)
/* Got interrupt. Clear the flag. */
ha->flags.mbox_int = 0;
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
if (ha->mailbox_out[0] != MBS_COMMAND_COMPLETE)
rval = QLA_FUNCTION_FAILED;
/* Load return mailbox registers. */
iptr2 = mcp->mb;
iptr = (uint16_t *)&ha->mailbox_out[0];
mboxes = mcp->in_mb;
for (cnt = 0; cnt < ha->mbx_count; cnt++) {
if (mboxes & BIT_0)
*iptr2 = *iptr;
mboxes >>= 1;
iptr2++;
iptr++;
}
} else {
#if defined(QL_DEBUG_LEVEL_2) || defined(QL_DEBUG_LEVEL_3) || \
defined(QL_DEBUG_LEVEL_11)
uint16_t mb0;
uint32_t ictrl;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mb0 = RD_REG_WORD(®->isp24.mailbox0);
ictrl = RD_REG_DWORD(®->isp24.ictrl);
} else {
mb0 = RD_MAILBOX_REG(ha, ®->isp, 0);
ictrl = RD_REG_WORD(®->isp.ictrl);
}
printk("%s(%ld): **** MB Command Timeout for cmd %x ****\n",
__func__, ha->host_no, command);
printk("%s(%ld): icontrol=%x jiffies=%lx\n", __func__,
ha->host_no, ictrl, jiffies);
printk("%s(%ld): *** mailbox[0] = 0x%x ***\n", __func__,
ha->host_no, mb0);
qla2x00_dump_regs(ha);
#endif
rval = QLA_FUNCTION_TIMEOUT;
}
if (!abort_active)
spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
ha->flags.mbox_busy = 0;
/* Clean up */
ha->mcp = NULL;
if (!abort_active) {
DEBUG11(printk("%s(%ld): checking for additional resp "
"interrupt.\n", __func__, ha->host_no);)
/* polling mode for non isp_abort commands. */
qla2x00_poll(ha);
}
if (rval == QLA_FUNCTION_TIMEOUT &&
mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
if (!io_lock_on || (mcp->flags & IOCTL_CMD)) {
/* not in dpc. schedule it for dpc to take over. */
DEBUG(printk("%s(%ld): timeout schedule "
"isp_abort_needed.\n", __func__, ha->host_no);)
DEBUG2_3_11(printk("%s(%ld): timeout schedule "
"isp_abort_needed.\n", __func__, ha->host_no);)
qla_printk(KERN_WARNING, ha,
"Mailbox command timeout occured. Scheduling ISP "
"abort.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
qla2xxx_wake_dpc(ha);
} else if (!abort_active) {
/* call abort directly since we are in the DPC thread */
DEBUG(printk("%s(%ld): timeout calling abort_isp\n",
__func__, ha->host_no);)
DEBUG2_3_11(printk("%s(%ld): timeout calling "
"abort_isp\n", __func__, ha->host_no);)
qla_printk(KERN_WARNING, ha,
"Mailbox command timeout occured. Issuing ISP "
"abort.\n");
set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
if (qla2x00_abort_isp(ha)) {
/* Failed. retry later. */
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
}
clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
DEBUG(printk("%s(%ld): finished abort_isp\n", __func__,
ha->host_no);)
DEBUG2_3_11(printk("%s(%ld): finished abort_isp\n",
__func__, ha->host_no);)
}
}
/* Allow next mbx cmd to come in. */
if (!abort_active)
up(&ha->mbx_cmd_sem);
if (rval) {
DEBUG2_3_11(printk("%s(%ld): **** FAILED. mbx0=%x, mbx1=%x, "
"mbx2=%x, cmd=%x ****\n", __func__, ha->host_no,
mcp->mb[0], mcp->mb[1], mcp->mb[2], command);)
} else {
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no);)
}
return rval;
}
int
qla2x00_load_ram(scsi_qla_host_t *ha, dma_addr_t req_dma, uint32_t risc_addr,
uint32_t risc_code_size)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
if (MSW(risc_addr) || IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
mcp->mb[8] = MSW(risc_addr);
mcp->out_mb = MBX_8|MBX_0;
} else {
mcp->mb[0] = MBC_LOAD_RISC_RAM;
mcp->out_mb = MBX_0;
}
mcp->mb[1] = LSW(risc_addr);
mcp->mb[2] = MSW(req_dma);
mcp->mb[3] = LSW(req_dma);
mcp->mb[6] = MSW(MSD(req_dma));
mcp->mb[7] = LSW(MSD(req_dma));
mcp->out_mb |= MBX_7|MBX_6|MBX_3|MBX_2|MBX_1;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->mb[4] = MSW(risc_code_size);
mcp->mb[5] = LSW(risc_code_size);
mcp->out_mb |= MBX_5|MBX_4;
} else {
mcp->mb[4] = LSW(risc_code_size);
mcp->out_mb |= MBX_4;
}
mcp->in_mb = MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
ha->host_no, rval, mcp->mb[0]));
} else {
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
return rval;
}
/*
* qla2x00_execute_fw
* Start adapter firmware.
*
* Input:
* ha = adapter block pointer.
* TARGET_QUEUE_LOCK must be released.
* ADAPTER_STATE_LOCK must be released.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_execute_fw(scsi_qla_host_t *ha, uint32_t risc_addr)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no);)
mcp->mb[0] = MBC_EXECUTE_FIRMWARE;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_0;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->mb[1] = MSW(risc_addr);
mcp->mb[2] = LSW(risc_addr);
mcp->mb[3] = 0;
mcp->out_mb |= MBX_3|MBX_2|MBX_1;
mcp->in_mb |= MBX_1;
} else {
mcp->mb[1] = LSW(risc_addr);
mcp->out_mb |= MBX_1;
if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
mcp->mb[2] = 0;
mcp->out_mb |= MBX_2;
}
}
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x.\n", __func__,
ha->host_no, rval, mcp->mb[0]));
} else {
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
DEBUG11(printk("%s(%ld): done exchanges=%x.\n",
__func__, ha->host_no, mcp->mb[1]);)
} else {
DEBUG11(printk("%s(%ld): done.\n", __func__,
ha->host_no);)
}
}
return rval;
}
/*
* qla2x00_get_fw_version
* Get firmware version.
*
* Input:
* ha: adapter state pointer.
* major: pointer for major number.
* minor: pointer for minor number.
* subminor: pointer for subminor number.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
void
qla2x00_get_fw_version(scsi_qla_host_t *ha, uint16_t *major, uint16_t *minor,
uint16_t *subminor, uint16_t *attributes, uint32_t *memory)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
mcp->mb[0] = MBC_GET_FIRMWARE_VERSION;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->flags = 0;
mcp->tov = 30;
rval = qla2x00_mailbox_command(ha, mcp);
/* Return mailbox data. */
*major = mcp->mb[1];
*minor = mcp->mb[2];
*subminor = mcp->mb[3];
*attributes = mcp->mb[6];
if (IS_QLA2100(ha) || IS_QLA2200(ha))
*memory = 0x1FFFF; /* Defaults to 128KB. */
else
*memory = (mcp->mb[5] << 16) | mcp->mb[4];
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
ha->host_no, rval));
} else {
/*EMPTY*/
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
}
/*
* qla2x00_get_fw_options
* Set firmware options.
*
* Input:
* ha = adapter block pointer.
* fwopt = pointer for firmware options.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_get_fw_options(scsi_qla_host_t *ha, uint16_t *fwopts)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
mcp->mb[0] = MBC_GET_FIRMWARE_OPTION;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
ha->host_no, rval));
} else {
fwopts[0] = mcp->mb[0];
fwopts[1] = mcp->mb[1];
fwopts[2] = mcp->mb[2];
fwopts[3] = mcp->mb[3];
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
return rval;
}
/*
* qla2x00_set_fw_options
* Set firmware options.
*
* Input:
* ha = adapter block pointer.
* fwopt = pointer for firmware options.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_set_fw_options(scsi_qla_host_t *ha, uint16_t *fwopts)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
mcp->mb[0] = MBC_SET_FIRMWARE_OPTION;
mcp->mb[1] = fwopts[1];
mcp->mb[2] = fwopts[2];
mcp->mb[3] = fwopts[3];
mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_0;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->in_mb |= MBX_1;
} else {
mcp->mb[10] = fwopts[10];
mcp->mb[11] = fwopts[11];
mcp->mb[12] = 0; /* Undocumented, but used */
mcp->out_mb |= MBX_12|MBX_11|MBX_10;
}
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
fwopts[0] = mcp->mb[0];
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("%s(%ld): failed=%x (%x/%x).\n", __func__,
ha->host_no, rval, mcp->mb[0], mcp->mb[1]));
} else {
/*EMPTY*/
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
}
return rval;
}
/*
* qla2x00_mbx_reg_test
* Mailbox register wrap test.
*
* Input:
* ha = adapter block pointer.
* TARGET_QUEUE_LOCK must be released.
* ADAPTER_STATE_LOCK must be released.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_mbx_reg_test(scsi_qla_host_t *ha)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("qla2x00_mbx_reg_test(%ld): entered.\n", ha->host_no);)
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->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval == QLA_SUCCESS) {
if (mcp->mb[1] != 0xAAAA || mcp->mb[2] != 0x5555 ||
mcp->mb[3] != 0xAA55 || mcp->mb[4] != 0x55AA)
rval = QLA_FUNCTION_FAILED;
if (mcp->mb[5] != 0xA5A5 || mcp->mb[6] != 0x5A5A ||
mcp->mb[7] != 0x2525)
rval = QLA_FUNCTION_FAILED;
}
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("qla2x00_mbx_reg_test(%ld): failed=%x.\n",
ha->host_no, rval);)
} else {
/*EMPTY*/
DEBUG11(printk("qla2x00_mbx_reg_test(%ld): done.\n",
ha->host_no);)
}
return rval;
}
/*
* qla2x00_verify_checksum
* Verify firmware checksum.
*
* Input:
* ha = adapter block pointer.
* TARGET_QUEUE_LOCK must be released.
* ADAPTER_STATE_LOCK must be released.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_verify_checksum(scsi_qla_host_t *ha, uint32_t risc_addr)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no);)
mcp->mb[0] = MBC_VERIFY_CHECKSUM;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_0;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
mcp->mb[1] = MSW(risc_addr);
mcp->mb[2] = LSW(risc_addr);
mcp->out_mb |= MBX_2|MBX_1;
mcp->in_mb |= MBX_2|MBX_1;
} else {
mcp->mb[1] = LSW(risc_addr);
mcp->out_mb |= MBX_1;
mcp->in_mb |= MBX_1;
}
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("%s(%ld): failed=%x chk sum=%x.\n", __func__,
ha->host_no, rval, (IS_QLA24XX(ha) || IS_QLA54XX(ha) ?
(mcp->mb[2] << 16) | mcp->mb[1]: mcp->mb[1]));)
} else {
DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no);)
}
return rval;
}
/*
* qla2x00_issue_iocb
* Issue IOCB using mailbox command
*
* Input:
* ha = adapter state pointer.
* buffer = buffer pointer.
* phys_addr = physical address of buffer.
* size = size of buffer.
* TARGET_QUEUE_LOCK must be released.
* ADAPTER_STATE_LOCK must be released.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_issue_iocb(scsi_qla_host_t *ha, void* buffer, dma_addr_t phys_addr,
size_t size)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
mcp->mb[0] = MBC_IOCB_COMMAND_A64;
mcp->mb[1] = 0;
mcp->mb[2] = MSW(phys_addr);
mcp->mb[3] = LSW(phys_addr);
mcp->mb[6] = MSW(MSD(phys_addr));
mcp->mb[7] = LSW(MSD(phys_addr));
mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_2|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG(printk("qla2x00_issue_iocb(%ld): failed rval 0x%x\n",
ha->host_no, rval);)
DEBUG2(printk("qla2x00_issue_iocb(%ld): failed rval 0x%x\n",
ha->host_no, rval);)
} else {
sts_entry_t *sts_entry = (sts_entry_t *) buffer;
/* Mask reserved bits. */
sts_entry->entry_status &=
IS_QLA24XX(ha) || IS_QLA54XX(ha) ? RF_MASK_24XX :RF_MASK;
}
return rval;
}
/*
* qla2x00_abort_command
* Abort command aborts a specified IOCB.
*
* Input:
* ha = adapter block pointer.
* sp = SB structure pointer.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
{
unsigned long flags = 0;
fc_port_t *fcport;
int rval;
uint32_t handle;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no);)
fcport = sp->fcport;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
if (ha->outstanding_cmds[handle] == sp)
break;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (handle == MAX_OUTSTANDING_COMMANDS) {
/* command not found */
return QLA_FUNCTION_FAILED;
}
mcp->mb[0] = MBC_ABORT_COMMAND;
if (HAS_EXTENDED_IDS(ha))
mcp->mb[1] = fcport->loop_id;
else
mcp->mb[1] = fcport->loop_id << 8;
mcp->mb[2] = (uint16_t)handle;
mcp->mb[3] = (uint16_t)(handle >> 16);
mcp->mb[6] = (uint16_t)sp->cmd->device->lun;
mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->in_mb = MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("qla2x00_abort_command(%ld): failed=%x.\n",
ha->host_no, rval);)
} else {
sp->flags |= SRB_ABORT_PENDING;
DEBUG11(printk("qla2x00_abort_command(%ld): done.\n",
ha->host_no);)
}
return rval;
}
#if USE_ABORT_TGT
/*
* qla2x00_abort_target
* Issue abort target mailbox command.
*
* Input:
* ha = adapter block pointer.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_abort_target(fc_port_t *fcport)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
scsi_qla_host_t *ha;
if (fcport == NULL)
return 0;
DEBUG11(printk("%s(%ld): entered.\n", __func__, fcport->ha->host_no);)
ha = fcport->ha;
mcp->mb[0] = MBC_ABORT_TARGET;
mcp->out_mb = MBX_2|MBX_1|MBX_0;
if (HAS_EXTENDED_IDS(ha)) {
mcp->mb[1] = fcport->loop_id;
mcp->mb[10] = 0;
mcp->out_mb |= MBX_10;
} else {
mcp->mb[1] = fcport->loop_id << 8;
}
mcp->mb[2] = ha->loop_reset_delay;
mcp->in_mb = MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
/* Issue marker command. */
ha->marker_needed = 1;
if (rval != QLA_SUCCESS) {
DEBUG2_3_11(printk("qla2x00_abort_target(%ld): failed=%x.\n",
ha->host_no, rval);)
} else {
/*EMPTY*/
DEBUG11(printk("qla2x00_abort_target(%ld): done.\n",
ha->host_no);)
}
return rval;
}
#endif
/*
* qla2x00_get_adapter_id
* Get adapter ID and topology.
*
* Input:
* ha = adapter block pointer.
* id = pointer for loop ID.
* al_pa = pointer for AL_PA.
* area = pointer for area.
* domain = pointer for domain.
* top = pointer for topology.
* TARGET_QUEUE_LOCK must be released.
* ADAPTER_STATE_LOCK must be released.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa,
uint8_t *area, uint8_t *domain, uint16_t *top)
{
int rval;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("qla2x00_get_adapter_id(%ld): entered.\n",
ha->host_no);)
mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (mcp->mb[0] == MBS_COMMAND_ERROR)
rval = QLA_COMMAND_ERROR;
/* Return data. */
*id = mcp->mb[1];
*al_pa = LSB(mcp->mb[2]);
*area = MSB(mcp->mb[2]);
*domain = LSB(mcp->mb[3]);
*top = mcp->mb[6];
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("qla2x00_get_adapter_id(%ld): failed=%x.\n",
ha->host_no, rval);)
} else {
/*EMPTY*/
DEBUG11(printk("qla2x00_get_adapter_id(%ld): done.\n",
ha->host_no);)
}
return rval;
}
/*
* qla2x00_get_retry_cnt
* Get current firmware login retry count and delay.
*
* Input:
* ha = adapter block pointer.
* retry_cnt = pointer to login retry count.
* tov = pointer to login timeout value.
*
* Returns:
* qla2x00 local function return status code.
*
* Context:
* Kernel context.
*/
int
qla2x00_get_retry_cnt(scsi_qla_host_t *ha, uint8_t *retry_cnt, uint8_t *tov,
uint16_t *r_a_tov)
{
int rval;
uint16_t ratov;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
DEBUG11(printk("qla2x00_get_retry_cnt(%ld): entered.\n",
ha->host_no);)
mcp->mb[0] = MBC_GET_RETRY_COUNT;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0;
mcp->tov = 30;
mcp->flags = 0;
rval = qla2x00_mailbox_command(ha, mcp);
if (rval != QLA_SUCCESS) {
/*EMPTY*/
DEBUG2_3_11(printk("qla2x00_get_retry_cnt(%ld): failed = %x.\n",
ha->host_no, mcp->mb[0]);)
} else {
/* Convert returned data and check our values. */
*r_a_tov = mcp->mb[3] / 2;
ratov = (mcp->mb[3]/2) / 10; /* mb[3] value is in 100ms */
if (mcp->mb[1] * ratov > (*retry_cnt) * (*tov)) {
/* Update to the larger values */
*retry_cnt = (uint8_t)mcp->mb[1];
*tov = ratov;
}
DEBUG11(printk("qla2x00_get_retry_cnt(%ld): done. mb3=%d "
"ratov=%d.\n", ha->host_no, mcp->mb[3], ratov);)
}
return rval;
}