int
qla2x00_request_irqs(scsi_qla_host_t *ha)
{
int ret;
/* If possible, enable MSI-X. */
if (!IS_QLA2432(ha))
goto skip_msix;
if (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX ||
!QLA_MSIX_FW_MODE_1(ha->fw_attributes)) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
ha->chip_revision, ha->fw_attributes));
goto skip_msix;
}
ret = qla24xx_enable_msix(ha);
if (!ret) {
DEBUG2(qla_printk(KERN_INFO, ha,
"MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision,
ha->fw_attributes));
return ret;
}
qla_printk(KERN_WARNING, ha,
"MSI-X: Falling back-to INTa mode -- %d.\n", ret);
skip_msix:
if (!IS_QLA24XX(ha))
goto skip_msi;
ret = pci_enable_msi(ha->pdev);
if (!ret) {
DEBUG2(qla_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
ha->flags.msi_enabled = 1;
}
skip_msi:
ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler,
IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
if (!ret) {
ha->flags.inta_enabled = 1;
ha->host->irq = ha->pdev->irq;
} else {
qla_printk(KERN_WARNING, ha,
"Failed to reserve interrupt %d already in use.\n",
ha->pdev->irq);
}
return ret;
}
/**
* qla2x00_ms_entry() - Process a Management Server entry.
* @ha: SCSI driver HA context
* @index: Response queue out pointer
*/
static void
qla2x00_ms_entry(scsi_qla_host_t *ha, ms_iocb_entry_t *pkt)
{
srb_t *sp;
DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
__func__, ha->host_no, pkt, pkt->handle1));
/* Validate handle. */
if (pkt->handle1 < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[pkt->handle1];
else
sp = NULL;
if (sp == NULL) {
DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "MS entry - invalid handle\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
return;
}
CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->status);
CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
/* Free outstanding command slot. */
ha->outstanding_cmds[pkt->handle1] = 0;
add_to_done_queue(ha, sp);
}
/**
* qla2x00_error_entry() - Process an error entry.
* @ha: SCSI driver HA context
* @pkt: Entry pointer
*/
static void
qla2x00_error_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
{
srb_t *sp;
#if defined(QL_DEBUG_LEVEL_2)
if (pkt->entry_status & RF_INV_E_ORDER)
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Order\n", __func__);
else if (pkt->entry_status & RF_INV_E_COUNT)
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Count\n", __func__);
else if (pkt->entry_status & RF_INV_E_PARAM)
qla_printk(KERN_ERR, ha,
"%s: Invalid Entry Parameter\n", __func__);
else if (pkt->entry_status & RF_INV_E_TYPE)
qla_printk(KERN_ERR, ha, "%s: Invalid Entry Type\n", __func__);
else if (pkt->entry_status & RF_BUSY)
qla_printk(KERN_ERR, ha, "%s: Busy\n", __func__);
else
qla_printk(KERN_ERR, ha, "%s: UNKNOWN flag error\n", __func__);
#endif
/* Validate handle. */
if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[pkt->handle];
else
sp = NULL;
if (sp) {
/* Free outstanding command slot. */
ha->outstanding_cmds[pkt->handle] = 0;
if (ha->actthreads)
ha->actthreads--;
sp->lun_queue->out_cnt--;
/* Bad payload or header */
if (pkt->entry_status &
(RF_INV_E_ORDER | RF_INV_E_COUNT |
RF_INV_E_PARAM | RF_INV_E_TYPE)) {
sp->cmd->result = DID_ERROR << 16;
} else if (pkt->entry_status & RF_BUSY) {
sp->cmd->result = DID_BUS_BUSY << 16;
} else {
sp->cmd->result = DID_ERROR << 16;
}
/* Place command on done queue. */
add_to_done_queue(ha, sp);
} else if (pkt->entry_type == COMMAND_A64_TYPE ||
pkt->entry_type == COMMAND_TYPE) {
DEBUG2(printk("scsi(%ld): Error entry - invalid handle\n",
ha->host_no));
qla_printk(KERN_WARNING, ha,
"Error entry - invalid handle\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
if (ha->dpc_wait && !ha->dpc_active)
up(ha->dpc_wait);
}
}
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
* @ha: SCSI driver HA context
* @index: SRB index
*/
static void
qla2x00_process_completed_request(struct scsi_qla_host *ha, uint32_t index)
{
srb_t *sp;
/* Validate handle. */
if (index >= MAX_OUTSTANDING_COMMANDS) {
DEBUG2(printk("scsi(%ld): Invalid SCSI completion handle %d.\n",
ha->host_no, index));
qla_printk(KERN_WARNING, ha,
"Invalid SCSI completion handle %d.\n", index);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
return;
}
sp = ha->outstanding_cmds[index];
if (sp) {
/* Free outstanding command slot. */
ha->outstanding_cmds[index] = 0;
if (ha->actthreads)
ha->actthreads--;
sp->lun_queue->out_cnt--;
CMD_COMPL_STATUS(sp->cmd) = 0L;
CMD_SCSI_STATUS(sp->cmd) = 0L;
/* Save ISP completion status */
sp->cmd->result = DID_OK << 16;
sp->fo_retry_cnt = 0;
add_to_done_queue(ha, sp);
} else {
DEBUG2(printk("scsi(%ld): Invalid ISP SCSI completion handle\n",
ha->host_no));
qla_printk(KERN_WARNING, ha,
"Invalid ISP SCSI completion handle\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
}
}
static void
qla2x00_adjust_sdev_qdepth_down(struct scsi_device *sdev, void *data)
{
fc_port_t *fcport = data;
if (!scsi_track_queue_full(sdev, sdev->queue_depth - 1))
return;
DEBUG2(qla_printk(KERN_INFO, fcport->ha,
"scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n",
fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun,
sdev->queue_depth));
}
static int
qla24xx_enable_msix(scsi_qla_host_t *ha)
{
int i, ret;
struct msix_entry entries[QLA_MSIX_ENTRIES];
struct qla_msix_entry *qentry;
for (i = 0; i < QLA_MSIX_ENTRIES; i++)
entries[i].entry = imsix_entries[i].entry;
ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries));
if (ret) {
qla_printk(KERN_WARNING, ha,
"MSI-X: Failed to enable support -- %d/%d\n",
QLA_MSIX_ENTRIES, ret);
goto msix_out;
}
ha->flags.msix_enabled = 1;
for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
qentry = &ha->msix_entries[imsix_entries[i].index];
qentry->msix_vector = entries[i].vector;
qentry->msix_entry = entries[i].entry;
qentry->have_irq = 0;
ret = request_irq(qentry->msix_vector,
imsix_entries[i].handler, 0, imsix_entries[i].name, ha);
if (ret) {
qla_printk(KERN_WARNING, ha,
"MSI-X: Unable to register handler -- %x/%d.\n",
imsix_entries[i].index, ret);
qla24xx_disable_msix(ha);
goto msix_out;
}
qentry->have_irq = 1;
}
msix_out:
return ret;
}
/**
* qla2x00_status_cont_entry() - Process a Status Continuations entry.
* @ha: SCSI driver HA context
* @pkt: Entry pointer
*
* Extended sense data.
*/
static void
qla2x00_status_cont_entry(scsi_qla_host_t *ha, sts_cont_entry_t *pkt)
{
uint8_t sense_sz = 0;
srb_t *sp = ha->status_srb;
struct scsi_cmnd *cp;
if (sp != NULL && sp->request_sense_length != 0) {
cp = sp->cmd;
if (cp == NULL) {
DEBUG2(printk("%s(): Cmd already returned back to OS "
"sp=%p.\n", __func__, sp));
qla_printk(KERN_INFO, ha,
"cmd is NULL: already returned to OS (sp=%p)\n",
sp);
ha->status_srb = NULL;
return;
}
if (sp->request_sense_length > sizeof(pkt->data)) {
sense_sz = sizeof(pkt->data);
} else {
sense_sz = sp->request_sense_length;
}
/* Move sense data. */
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
host_to_fcp_swap(pkt->data, sizeof(pkt->data));
memcpy(sp->request_sense_ptr, pkt->data, sense_sz);
DEBUG5(qla2x00_dump_buffer(sp->request_sense_ptr, sense_sz));
sp->request_sense_ptr += sense_sz;
sp->request_sense_length -= sense_sz;
/* Place command on done queue. */
if (sp->request_sense_length == 0) {
ha->status_srb = NULL;
qla2x00_sp_compl(ha, sp);
}
}
}
static void
qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, void *data)
{
fc_port_t *fcport = data;
if (fcport->ha->max_q_depth <= sdev->queue_depth)
return;
if (sdev->ordered_tags)
scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG,
sdev->queue_depth + 1);
else
scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG,
sdev->queue_depth + 1);
fcport->last_ramp_up = jiffies;
DEBUG2(qla_printk(KERN_INFO, fcport->ha,
"scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n",
fcport->ha->host_no, sdev->channel, sdev->id, sdev->lun,
sdev->queue_depth));
}
/**
* qla24xx_ms_entry() - Process a Management Server entry.
* @ha: SCSI driver HA context
* @index: Response queue out pointer
*/
static void
qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt)
{
srb_t *sp;
DEBUG3(printk("%s(%ld): pkt=%p pkthandle=%d.\n",
__func__, ha->host_no, pkt, pkt->handle));
DEBUG9(printk("%s: ct pkt dump:\n", __func__));
DEBUG9(qla2x00_dump_buffer((void *)pkt, sizeof(struct ct_entry_24xx)));
/* Validate handle. */
if (pkt->handle < MAX_OUTSTANDING_COMMANDS)
sp = ha->outstanding_cmds[pkt->handle];
else
sp = NULL;
if (sp == NULL) {
DEBUG2(printk("scsi(%ld): MS entry - invalid handle\n",
ha->host_no));
DEBUG10(printk("scsi(%ld): MS entry - invalid handle\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "MS entry - invalid handle %d\n",
pkt->handle);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
return;
}
CMD_COMPL_STATUS(sp->cmd) = le16_to_cpu(pkt->comp_status);
CMD_ENTRY_STATUS(sp->cmd) = pkt->entry_status;
/* Free outstanding command slot. */
ha->outstanding_cmds[pkt->handle] = NULL;
qla2x00_sp_compl(ha, sp);
}
static int
qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int ret = 0;
uint32_t len;
uint32_t oper;
bsg_job->reply->reply_payload_rcv_len = 0;
if (!IS_QLA24XX_TYPE(ha) || !IS_QLA25XX(ha)) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
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)) {
ret = -EBUSY;
goto exit_fcp_prio_cfg;
}
/* Get the sub command */
oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
/* Only set config is allowed if config memory is not allocated */
if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
switch (oper) {
case QLFC_FCP_PRIO_DISABLE:
if (ha->flags.fcp_prio_enabled) {
ha->flags.fcp_prio_enabled = 0;
ha->fcp_prio_cfg->attributes &=
~FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
break;
case QLFC_FCP_PRIO_ENABLE:
if (!ha->flags.fcp_prio_enabled) {
if (ha->fcp_prio_cfg) {
ha->flags.fcp_prio_enabled = 1;
ha->fcp_prio_cfg->attributes |=
FCP_PRIO_ATTR_ENABLE;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
} else {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
}
break;
case QLFC_FCP_PRIO_GET_CONFIG:
len = bsg_job->reply_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
ret = -EINVAL;
bsg_job->reply->result = (DID_ERROR << 16);
goto exit_fcp_prio_cfg;
}
bsg_job->reply->result = DID_OK;
bsg_job->reply->reply_payload_rcv_len =
sg_copy_from_buffer(
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg,
len);
break;
case QLFC_FCP_PRIO_SET_CONFIG:
len = bsg_job->request_payload.payload_len;
if (!len || len > FCP_PRIO_CFG_SIZE) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
if (!ha->fcp_prio_cfg) {
ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE);
if (!ha->fcp_prio_cfg) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory "
"for fcp prio config data (%x).\n",
FCP_PRIO_CFG_SIZE);
bsg_job->reply->result = (DID_ERROR << 16);
ret = -ENOMEM;
goto exit_fcp_prio_cfg;
}
}
memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg,
FCP_PRIO_CFG_SIZE);
/* validate fcp priority data */
if (!qla24xx_fcp_prio_cfg_valid(
(struct qla_fcp_prio_cfg *)
ha->fcp_prio_cfg, 1)) {
bsg_job->reply->result = (DID_ERROR << 16);
ret = -EINVAL;
/* If buffer was invalidatic int
* fcp_prio_cfg is of no use
*/
vfree(ha->fcp_prio_cfg);
ha->fcp_prio_cfg = NULL;
goto exit_fcp_prio_cfg;
}
ha->flags.fcp_prio_enabled = 0;
if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE)
ha->flags.fcp_prio_enabled = 1;
qla24xx_update_all_fcp_prio(vha);
bsg_job->reply->result = DID_OK;
break;
default:
ret = -EINVAL;
break;
}
exit_fcp_prio_cfg:
bsg_job->job_done(bsg_job);
return ret;
}
static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
struct fc_rport *rport;
fc_port_t *fcport = NULL;
struct Scsi_Host *host;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
srb_t *sp;
const char *type;
int req_sg_cnt, rsp_sg_cnt;
int rval = (DRIVER_ERROR << 16);
uint16_t nextlid = 0;
struct srb_ctx *els;
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
rport = bsg_job->rport;
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_RPT_ELS";
} else {
host = bsg_job->shost;
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_HST_ELS_NOLOGIN";
}
/* pass through is supported only for ISP 4Gb or higher */
if (!IS_FWI2_CAPABLE(ha)) {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld):ELS passthru not supported for ISP23xx based "
"adapters\n", vha->host_no));
rval = -EPERM;
goto done;
}
/* Multiple SG's are not supported for ELS requests */
if (bsg_job->request_payload.sg_cnt > 1 ||
bsg_job->reply_payload.sg_cnt > 1) {
DEBUG2(printk(KERN_INFO
"multiple SG's are not supported for ELS requests"
" [request_sg_cnt: %x reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt,
bsg_job->reply_payload.sg_cnt));
rval = -EPERM;
goto done;
}
/* ELS request for rport */
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
/* make sure the rport is logged in,
* if not perform fabric login
*/
if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"failed to login port %06X for ELS passthru\n",
fcport->d_id.b24));
rval = -EIO;
goto done;
}
} else {
/* Allocate a dummy fcport structure, since functions
* preparing the IOCB and mailbox command retrieves port
* specific information from fcport structure. For Host based
* ELS commands there will be no fcport structure allocated
*/
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (!fcport) {
rval = -ENOMEM;
goto done;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa =
bsg_job->request->rqst_data.h_els.port_id[0];
fcport->d_id.b.area =
bsg_job->request->rqst_data.h_els.port_id[1];
fcport->d_id.b.domain =
bsg_job->request->rqst_data.h_els.port_id[2];
fcport->loop_id =
(fcport->d_id.b.al_pa == 0xFD) ?
NPH_FABRIC_CONTROLLER : NPH_F_PORT;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done;
}
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) {
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts \
[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, req_sg_cnt,
bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
void
qla24xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
{
int rval;
uint32_t cnt;
uint32_t risc_address;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
uint32_t __iomem *dmp_reg;
uint32_t *iter_reg;
uint16_t __iomem *mbx_reg;
unsigned long flags;
struct qla24xx_fw_dump *fw;
uint32_t ext_mem_cnt;
void *nxt;
risc_address = ext_mem_cnt = 0;
flags = 0;
if (!hardware_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!ha->fw_dump) {
qla_printk(KERN_WARNING, ha,
"No buffer available for dump!!!\n");
goto qla24xx_fw_dump_failed;
}
if (ha->fw_dumped) {
qla_printk(KERN_WARNING, ha,
"Firmware has been previously dumped (%p) -- ignoring "
"request...\n", ha->fw_dump);
goto qla24xx_fw_dump_failed;
}
fw = &ha->fw_dump->isp.isp24;
qla2xxx_prep_dump(ha, ha->fw_dump);
fw->host_status = htonl(RD_REG_DWORD(®->host_status));
/* Pause RISC. */
rval = qla24xx_pause_risc(reg);
if (rval != QLA_SUCCESS)
goto qla24xx_fw_dump_failed_0;
/* Host interface registers. */
dmp_reg = ®->flash_addr;
for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++)
fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++));
/* Disable interrupts. */
WRT_REG_DWORD(®->ictrl, 0);
RD_REG_DWORD(®->ictrl);
/* Shadow registers. */
WRT_REG_DWORD(®->iobase_addr, 0x0F70);
RD_REG_DWORD(®->iobase_addr);
WRT_REG_DWORD(®->iobase_select, 0xB0000000);
fw->shadow_reg[0] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0100000);
fw->shadow_reg[1] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0200000);
fw->shadow_reg[2] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0300000);
fw->shadow_reg[3] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0400000);
fw->shadow_reg[4] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0500000);
fw->shadow_reg[5] = htonl(RD_REG_DWORD(®->iobase_sdata));
WRT_REG_DWORD(®->iobase_select, 0xB0600000);
fw->shadow_reg[6] = htonl(RD_REG_DWORD(®->iobase_sdata));
/* Mailbox registers. */
mbx_reg = ®->mailbox0;
for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++));
/* Transfer sequence registers. */
iter_reg = fw->xseq_gp_reg;
iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg);
qla24xx_read_window(reg, 0xBF70, 16, iter_reg);
qla24xx_read_window(reg, 0xBFE0, 16, fw->xseq_0_reg);
qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg);
/* Receive sequence registers. */
iter_reg = fw->rseq_gp_reg;
iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg);
qla24xx_read_window(reg, 0xFF70, 16, iter_reg);
qla24xx_read_window(reg, 0xFFD0, 16, fw->rseq_0_reg);
qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg);
qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg);
/* Command DMA registers. */
qla24xx_read_window(reg, 0x7100, 16, fw->cmd_dma_reg);
/* Queues. */
iter_reg = fw->req0_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg);
dmp_reg = ®->iobase_q;
for (cnt = 0; cnt < 7; cnt++)
*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
iter_reg = fw->resp0_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg);
dmp_reg = ®->iobase_q;
for (cnt = 0; cnt < 7; cnt++)
*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
iter_reg = fw->req1_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg);
dmp_reg = ®->iobase_q;
for (cnt = 0; cnt < 7; cnt++)
*iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++));
/* Transmit DMA registers. */
iter_reg = fw->xmt0_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg);
qla24xx_read_window(reg, 0x7610, 16, iter_reg);
iter_reg = fw->xmt1_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg);
qla24xx_read_window(reg, 0x7630, 16, iter_reg);
iter_reg = fw->xmt2_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg);
qla24xx_read_window(reg, 0x7650, 16, iter_reg);
iter_reg = fw->xmt3_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg);
qla24xx_read_window(reg, 0x7670, 16, iter_reg);
iter_reg = fw->xmt4_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg);
qla24xx_read_window(reg, 0x7690, 16, iter_reg);
qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg);
/* Receive DMA registers. */
iter_reg = fw->rcvt0_data_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg);
qla24xx_read_window(reg, 0x7710, 16, iter_reg);
iter_reg = fw->rcvt1_data_dma_reg;
iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg);
qla24xx_read_window(reg, 0x7730, 16, iter_reg);
/* RISC registers. */
iter_reg = fw->risc_gp_reg;
iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg);
qla24xx_read_window(reg, 0x0F70, 16, iter_reg);
/* Local memory controller registers. */
iter_reg = fw->lmc_reg;
iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg);
qla24xx_read_window(reg, 0x3060, 16, iter_reg);
/* Fibre Protocol Module registers. */
iter_reg = fw->fpm_hdw_reg;
iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg);
qla24xx_read_window(reg, 0x40B0, 16, iter_reg);
/* Frame Buffer registers. */
iter_reg = fw->fb_hdw_reg;
iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg);
iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg);
qla24xx_read_window(reg, 0x61B0, 16, iter_reg);
rval = qla24xx_soft_reset(ha);
if (rval != QLA_SUCCESS)
goto qla24xx_fw_dump_failed_0;
rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram),
fw->ext_mem, &nxt);
if (rval != QLA_SUCCESS)
goto qla24xx_fw_dump_failed_0;
nxt = qla2xxx_copy_queues(ha, nxt);
if (ha->eft)
memcpy(nxt, ha->eft, ntohl(ha->fw_dump->eft_size));
qla24xx_fw_dump_failed_0:
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Failed to dump firmware (%x)!!!\n", rval);
ha->fw_dumped = 0;
} else {
qla_printk(KERN_INFO, ha,
"Firmware dump saved to temp buffer (%ld/%p).\n",
ha->host_no, ha->fw_dump);
ha->fw_dumped = 1;
}
qla24xx_fw_dump_failed:
if (!hardware_locked)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
/**
* qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
* @ha: HA context
* @hardware_locked: Called with the hardware_lock
*/
void
qla2300_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
{
int rval;
uint32_t cnt, timer;
uint32_t risc_address;
uint16_t mb0, mb2;
uint32_t stat;
device_reg_t __iomem *reg = ha->iobase;
uint16_t __iomem *dmp_reg;
unsigned long flags;
struct qla2300_fw_dump *fw;
uint32_t dump_size, data_ram_cnt;
risc_address = data_ram_cnt = 0;
mb0 = mb2 = 0;
flags = 0;
if (!hardware_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
if (ha->fw_dump != NULL) {
qla_printk(KERN_WARNING, ha,
"Firmware has been previously dumped (%p) -- ignoring "
"request...\n", ha->fw_dump);
goto qla2300_fw_dump_failed;
}
/* Allocate (large) dump buffer. */
dump_size = sizeof(struct qla2300_fw_dump);
dump_size += (ha->fw_memory_size - 0x11000) * sizeof(uint16_t);
ha->fw_dump_order = get_order(dump_size);
ha->fw_dump = (struct qla2300_fw_dump *) __get_free_pages(GFP_ATOMIC,
ha->fw_dump_order);
if (ha->fw_dump == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocated memory for firmware dump (%d/%d).\n",
ha->fw_dump_order, dump_size);
goto qla2300_fw_dump_failed;
}
fw = ha->fw_dump;
rval = QLA_SUCCESS;
fw->hccr = RD_REG_WORD(®->hccr);
/* Pause RISC. */
WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
if (IS_QLA2300(ha)) {
for (cnt = 30000;
(RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
} else {
RD_REG_WORD(®->hccr); /* PCI Posting. */
udelay(10);
}
if (rval == QLA_SUCCESS) {
dmp_reg = (uint16_t __iomem *)(reg + 0);
for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
fw->pbiu_reg[cnt] = RD_REG_WORD(dmp_reg++);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x10);
for (cnt = 0; cnt < sizeof(fw->risc_host_reg) / 2; cnt++)
fw->risc_host_reg[cnt] = RD_REG_WORD(dmp_reg++);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x40);
for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++)
fw->mailbox_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x40);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->resp_dma_reg) / 2; cnt++)
fw->resp_dma_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x50);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
fw->dma_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x00);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0xA0);
for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
fw->risc_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2000);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp0_reg) / 2; cnt++)
fw->risc_gp0_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2200);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp1_reg) / 2; cnt++)
fw->risc_gp1_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2400);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp2_reg) / 2; cnt++)
fw->risc_gp2_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2600);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp3_reg) / 2; cnt++)
fw->risc_gp3_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2800);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp4_reg) / 2; cnt++)
fw->risc_gp4_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2A00);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp5_reg) / 2; cnt++)
fw->risc_gp5_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2C00);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp6_reg) / 2; cnt++)
fw->risc_gp6_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2E00);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp7_reg) / 2; cnt++)
fw->risc_gp7_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x10);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->frame_buf_hdw_reg) / 2; cnt++)
fw->frame_buf_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x20);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->fpm_b0_reg) / 2; cnt++)
fw->fpm_b0_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x30);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->fpm_b1_reg) / 2; cnt++)
fw->fpm_b1_reg[cnt] = RD_REG_WORD(dmp_reg++);
/* Reset RISC. */
WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
for (cnt = 0; cnt < 30000; cnt++) {
if ((RD_REG_WORD(®->ctrl_status) &
CSR_ISP_SOFT_RESET) == 0)
break;
udelay(10);
}
}
if (!IS_QLA2300(ha)) {
for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
}
if (rval == QLA_SUCCESS) {
/* Get RISC SRAM. */
risc_address = 0x800;
WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
}
for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
cnt++, risc_address++) {
WRT_MAILBOX_REG(ha, reg, 1, (uint16_t)risc_address);
WRT_REG_WORD(®->hccr, HCCR_SET_HOST_INT);
for (timer = 6000000; timer; timer--) {
/* Check for pending interrupts. */
stat = RD_REG_DWORD(®->u.isp2300.host_status);
if (stat & HSR_RISC_INT) {
stat &= 0xff;
if (stat == 0x1 || stat == 0x2) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
} else if (stat == 0x10 || stat == 0x11) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
}
/* clear this intr; it wasn't a mailbox intr */
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
udelay(5);
}
if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
rval = mb0 & MBS_MASK;
fw->risc_ram[cnt] = mb2;
} else {
rval = QLA_FUNCTION_FAILED;
}
}
if (rval == QLA_SUCCESS) {
/* Get stack SRAM. */
risc_address = 0x10000;
WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_EXTENDED);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
}
for (cnt = 0; cnt < sizeof(fw->stack_ram) / 2 && rval == QLA_SUCCESS;
cnt++, risc_address++) {
WRT_MAILBOX_REG(ha, reg, 1, LSW(risc_address));
WRT_MAILBOX_REG(ha, reg, 8, MSW(risc_address));
WRT_REG_WORD(®->hccr, HCCR_SET_HOST_INT);
for (timer = 6000000; timer; timer--) {
/* Check for pending interrupts. */
stat = RD_REG_DWORD(®->u.isp2300.host_status);
if (stat & HSR_RISC_INT) {
stat &= 0xff;
if (stat == 0x1 || stat == 0x2) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
} else if (stat == 0x10 || stat == 0x11) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
}
/* clear this intr; it wasn't a mailbox intr */
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
udelay(5);
}
if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
rval = mb0 & MBS_MASK;
fw->stack_ram[cnt] = mb2;
} else {
rval = QLA_FUNCTION_FAILED;
}
}
if (rval == QLA_SUCCESS) {
/* Get data SRAM. */
risc_address = 0x11000;
data_ram_cnt = ha->fw_memory_size - risc_address + 1;
WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_EXTENDED);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
}
for (cnt = 0; cnt < data_ram_cnt && rval == QLA_SUCCESS;
cnt++, risc_address++) {
WRT_MAILBOX_REG(ha, reg, 1, LSW(risc_address));
WRT_MAILBOX_REG(ha, reg, 8, MSW(risc_address));
WRT_REG_WORD(®->hccr, HCCR_SET_HOST_INT);
for (timer = 6000000; timer; timer--) {
/* Check for pending interrupts. */
stat = RD_REG_DWORD(®->u.isp2300.host_status);
if (stat & HSR_RISC_INT) {
stat &= 0xff;
if (stat == 0x1 || stat == 0x2) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
} else if (stat == 0x10 || stat == 0x11) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
}
/* clear this intr; it wasn't a mailbox intr */
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
udelay(5);
}
if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
rval = mb0 & MBS_MASK;
fw->data_ram[cnt] = mb2;
} else {
rval = QLA_FUNCTION_FAILED;
}
}
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Failed to dump firmware (%x)!!!\n", rval);
free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
ha->fw_dump = NULL;
} else {
qla_printk(KERN_INFO, ha,
"Firmware dump saved to temp buffer (%ld/%p).\n",
ha->host_no, ha->fw_dump);
}
qla2300_fw_dump_failed:
if (!hardware_locked)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
/**
* qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
* @irq:
* @dev_id: SCSI driver HA context
* @regs:
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla24xx_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
{
scsi_qla_host_t *ha;
struct device_reg_24xx __iomem *reg;
int status;
unsigned long flags;
unsigned long iter;
uint32_t stat;
uint32_t hccr;
uint16_t mb[4];
ha = (scsi_qla_host_t *) dev_id;
if (!ha) {
printk(KERN_INFO
"%s(): NULL host pointer\n", __func__);
return IRQ_NONE;
}
reg = &ha->iobase->isp24;
status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(®->host_status);
if (stat & HSRX_RISC_PAUSED) {
hccr = RD_REG_DWORD(®->hccr);
qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
"Dumping firmware!\n", hccr);
qla24xx_fw_dump(ha, 1);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
} else if ((stat & HSRX_RISC_INT) == 0)
break;
switch (stat & 0xff) {
case 0x1:
case 0x2:
case 0x10:
case 0x11:
qla24xx_mbx_completion(ha, MSW(stat));
status |= MBX_INTERRUPT;
break;
case 0x12:
mb[0] = MSW(stat);
mb[1] = RD_REG_WORD(®->mailbox1);
mb[2] = RD_REG_WORD(®->mailbox2);
mb[3] = RD_REG_WORD(®->mailbox3);
qla2x00_async_event(ha, mb);
break;
case 0x13:
qla24xx_process_response_queue(ha);
break;
default:
DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
"(%d).\n",
ha->host_no, stat & 0xff));
break;
}
WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT);
RD_REG_DWORD_RELAXED(®->hccr);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
spin_lock_irqsave(&ha->mbx_reg_lock, flags);
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
up(&ha->mbx_intr_sem);
spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
}
return IRQ_HANDLED;
}
/**
* qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
* @irq:
* @dev_id: SCSI driver HA context
* @regs:
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla2300_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
{
scsi_qla_host_t *ha;
struct device_reg_2xxx __iomem *reg;
int status;
unsigned long flags;
unsigned long iter;
uint32_t stat;
uint16_t hccr;
uint16_t mb[4];
ha = (scsi_qla_host_t *) dev_id;
if (!ha) {
printk(KERN_INFO
"%s(): NULL host pointer\n", __func__);
return (IRQ_NONE);
}
reg = &ha->iobase->isp;
status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (iter = 50; iter--; ) {
stat = RD_REG_DWORD(®->u.isp2300.host_status);
if (stat & HSR_RISC_PAUSED) {
hccr = RD_REG_WORD(®->hccr);
if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
qla_printk(KERN_INFO, ha,
"Parity error -- HCCR=%x.\n", hccr);
else
qla_printk(KERN_INFO, ha,
"RISC paused -- HCCR=%x.\n", hccr);
/*
* Issue a "HARD" reset in order for the RISC
* interrupt bit to be cleared. Schedule a big
* hammmer to get out of the RISC PAUSED state.
*/
WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
RD_REG_WORD(®->hccr);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
} else if ((stat & HSR_RISC_INT) == 0)
break;
switch (stat & 0xff) {
case 0x1:
case 0x2:
case 0x10:
case 0x11:
qla2x00_mbx_completion(ha, MSW(stat));
status |= MBX_INTERRUPT;
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
break;
case 0x12:
mb[0] = MSW(stat);
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
mb[3] = RD_MAILBOX_REG(ha, reg, 3);
qla2x00_async_event(ha, mb);
break;
case 0x13:
qla2x00_process_response_queue(ha);
break;
case 0x15:
mb[0] = MBA_CMPLT_1_16BIT;
mb[1] = MSW(stat);
qla2x00_async_event(ha, mb);
break;
case 0x16:
mb[0] = MBA_SCSI_COMPLETION;
mb[1] = MSW(stat);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
qla2x00_async_event(ha, mb);
break;
default:
DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
"(%d).\n",
ha->host_no, stat & 0xff));
break;
}
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD_RELAXED(®->hccr);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
spin_lock_irqsave(&ha->mbx_reg_lock, flags);
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
up(&ha->mbx_intr_sem);
spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
}
return (IRQ_HANDLED);
}
/**
* qla2x00_async_event() - Process aynchronous events.
* @ha: SCSI driver HA context
* @mb0: Mailbox0 register
*/
static void
qla2x00_async_event(scsi_qla_host_t *ha, uint32_t mbx)
{
static char *link_speeds[5] = { "1", "2", "4", "?", "10" };
char *link_speed;
uint16_t mb[4];
uint16_t handle_cnt;
uint16_t cnt;
uint32_t handles[5];
device_reg_t *reg = ha->iobase;
uint32_t rscn_entry, host_pid;
uint8_t rscn_queue_index;
/* Setup to process RIO completion. */
handle_cnt = 0;
mb[0] = LSW(mbx);
switch (mb[0]) {
case MBA_SCSI_COMPLETION:
if (IS_QLA2100(ha) || IS_QLA2200(ha))
handles[0] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
RD_MAILBOX_REG(ha, reg, 1));
else
handles[0] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
MSW(mbx));
handle_cnt = 1;
break;
case MBA_CMPLT_1_16BIT:
if (IS_QLA2100(ha) || IS_QLA2200(ha))
handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
else
handles[0] = MSW(mbx);
handle_cnt = 1;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_16BIT:
handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_3_16BIT:
handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
handle_cnt = 3;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_4_16BIT:
handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handle_cnt = 4;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_5_16BIT:
handles[0] = (uint32_t)RD_MAILBOX_REG(ha, reg, 1);
handles[1] = (uint32_t)RD_MAILBOX_REG(ha, reg, 2);
handles[2] = (uint32_t)RD_MAILBOX_REG(ha, reg, 3);
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
handle_cnt = 5;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_32BIT:
handles[0] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 2) << 16)) |
RD_MAILBOX_REG(ha, reg, 1));
handles[1] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
RD_MAILBOX_REG(ha, reg, 6));
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
default:
break;
}
mb[0] = LSW(mbx);
switch (mb[0]) {
case MBA_SCSI_COMPLETION: /* Fast Post */
if (!ha->flags.online)
break;
for (cnt = 0; cnt < handle_cnt; cnt++)
qla2x00_process_completed_request(ha, handles[cnt]);
break;
case MBA_RESET: /* Reset */
DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no));
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
break;
case MBA_SYSTEM_ERR: /* System Error */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
mb[3] = RD_MAILBOX_REG(ha, reg, 3);
qla_printk(KERN_INFO, ha,
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
mb[1], mb[2], mb[3]);
if (IS_QLA2100(ha) || IS_QLA2200(ha))
qla2100_fw_dump(ha, 1);
else
qla2300_fw_dump(ha, 1);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
ha->host_no));
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no,
mb[1]));
qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
ha->flags.management_server_logged_in = 0;
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_LIP_OCCURRED, NULL);
ha->total_lip_cnt++;
break;
case MBA_LOOP_UP: /* Loop Up Event */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
ha->link_data_rate = 0;
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
link_speed = link_speeds[0];
} else {
link_speed = link_speeds[3];
if (mb[1] < 5)
link_speed = link_speeds[mb[1]];
ha->link_data_rate = mb[1];
}
DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
ha->host_no, link_speed));
qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n",
link_speed);
ha->flags.management_server_logged_in = 0;
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_LOOP_UP, NULL);
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN.\n",
ha->host_no));
qla_printk(KERN_INFO, ha, "LOOP DOWN detected.\n");
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
ha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(ha);
}
ha->flags.management_server_logged_in = 0;
ha->link_data_rate = 0;
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_LOOP_DOWN, NULL);
break;
case MBA_LIP_RESET: /* LIP reset occurred */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
ha->host_no, mb[1]));
qla_printk(KERN_INFO, ha,
"LIP reset occured (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha);
}
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
ha->operating_mode = LOOP;
ha->flags.management_server_logged_in = 0;
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_LIP_RESET, NULL);
ha->total_lip_cnt++;
break;
case MBA_POINT_TO_POINT: /* Point-to-Point */
if (IS_QLA2100(ha))
break;
DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n",
ha->host_no));
/*
* Until there's a transition from loop down to loop up, treat
* this as loop down only.
*/
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha);
}
if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
break;
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
if (IS_QLA2100(ha))
break;
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
"received.\n",
ha->host_no));
qla_printk(KERN_INFO, ha,
"Configuration change detected: value=%x.\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha);
}
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
break;
case MBA_PORT_UPDATE: /* Port database update */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
/*
* If a single remote port just logged into (or logged out of)
* us, create a new entry in our rscn fcports list and handle
* the event like an RSCN.
*/
if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA6312(ha) &&
!IS_QLA6322(ha) && ha->flags.init_done && mb[1] != 0xffff &&
((ha->operating_mode == P2P && mb[1] != 0) ||
(ha->operating_mode != P2P && mb[1] !=
SNS_FIRST_LOOP_ID)) && (mb[2] == 6 || mb[2] == 7)) {
int rval;
fc_port_t *rscn_fcport;
/* Create new fcport for login. */
rscn_fcport = qla2x00_alloc_rscn_fcport(ha, GFP_ATOMIC);
if (rscn_fcport) {
DEBUG14(printk("scsi(%ld): Port Update -- "
"creating RSCN fcport %p for login.\n",
ha->host_no, rscn_fcport));
rscn_fcport->loop_id = mb[1];
rscn_fcport->d_id.b24 = INVALID_PORT_ID;
atomic_set(&rscn_fcport->state,
FCS_DEVICE_LOST);
list_add_tail(&rscn_fcport->list,
&ha->rscn_fcports);
rval = qla2x00_handle_port_rscn(ha, 0,
rscn_fcport, 1);
if (rval == QLA_SUCCESS)
break;
} else {
DEBUG14(printk("scsi(%ld): Port Update -- "
"-- unable to allocate RSCN fcport "
"login.\n", ha->host_no));
}
}
/*
* If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
* event etc. earlier indicating loop is down) then process
* it. Otherwise ignore it and Wait for RSCN to come in.
*/
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
"ignored.\n", ha->host_no));
break;
}
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): Port database changed %04x %04x.\n",
ha->host_no, mb[1], mb[2]));
/*
* Mark all devices as missing so we will login again.
*/
atomic_set(&ha->loop_state, LOOP_UP);
atomic_set(&ha->loop_down_timer, 0);
qla2x00_mark_all_devices_lost(ha);
ha->flags.rscn_queue_overflow = 1;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_PORT_UPDATE, NULL);
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): RSCN database changed -- %04x %04x.\n",
ha->host_no, mb[1], mb[2]));
rscn_entry = (mb[1] << 16) | mb[2];
host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
ha->d_id.b.al_pa;
if (rscn_entry == host_pid) {
DEBUG(printk(KERN_INFO
"scsi(%ld): Ignoring RSCN update to local host "
"port ID (%06x)\n",
ha->host_no, host_pid));
break;
}
rscn_queue_index = ha->rscn_in_ptr + 1;
if (rscn_queue_index == MAX_RSCN_COUNT)
rscn_queue_index = 0;
if (rscn_queue_index != ha->rscn_out_ptr) {
ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry;
ha->rscn_in_ptr = rscn_queue_index;
} else {
ha->flags.rscn_queue_overflow = 1;
}
atomic_set(&ha->loop_state, LOOP_UPDATE);
atomic_set(&ha->loop_down_timer, 0);
ha->flags.management_server_logged_in = 0;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
/* Update AEN queue. */
qla2x00_enqueue_aen(ha, MBA_RSCN_UPDATE, &mb[0]);
break;
/* case MBA_RIO_RESPONSE: */
case MBA_ZIO_RESPONSE:
DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
qla2x00_process_response_queue(ha);
break;
}
}
/**
* qla2x00_intr_handler() - Process interrupts for the ISP.
* @irq:
* @dev_id: SCSI driver HA context
* @regs:
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla2x00_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
{
scsi_qla_host_t *ha;
device_reg_t *reg;
uint32_t mbx;
int status = 0;
unsigned long flags = 0;
unsigned long mbx_flags = 0;
unsigned long intr_iter;
uint32_t stat;
uint16_t hccr;
/* Don't loop forever, interrupt are OFF */
intr_iter = 50;
ha = (scsi_qla_host_t *) dev_id;
if (!ha) {
printk(KERN_INFO
"%s(): NULL host pointer\n", __func__);
return (IRQ_NONE);
}
reg = ha->iobase;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (;;) {
/* Relax CPU! */
if (!(intr_iter--))
break;
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0)
break;
if (RD_REG_WORD(®->semaphore) & BIT_0) {
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
/* Get mailbox data. */
mbx = RD_MAILBOX_REG(ha, reg, 0);
if (mbx > 0x3fff && mbx < 0x8000) {
qla2x00_mbx_completion(ha,
(uint16_t)mbx);
status |= MBX_INTERRUPT;
} else if (mbx > 0x7fff && mbx < 0xc000) {
qla2x00_async_event(ha, mbx);
} else {
/*EMPTY*/
DEBUG2(printk("scsi(%ld): Unrecognized "
"interrupt type (%d)\n",
ha->host_no, mbx));
}
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
/* Workaround for ISP2100 chip. */
if (IS_QLA2100(ha))
RD_REG_WORD(®->semaphore);
} else {
qla2x00_process_response_queue(ha);
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
} else /* IS_QLA23XX(ha) */ {
stat = RD_REG_DWORD(®->u.isp2300.host_status);
if ((stat & HSR_RISC_INT) == 0)
break;
mbx = MSW(stat);
switch (stat & 0xff) {
case 0x13:
qla2x00_process_response_queue(ha);
break;
case 0x1:
case 0x2:
case 0x10:
case 0x11:
qla2x00_mbx_completion(ha, (uint16_t)mbx);
status |= MBX_INTERRUPT;
/* Release mailbox registers. */
WRT_REG_WORD(®->semaphore, 0);
break;
case 0x12:
qla2x00_async_event(ha, mbx);
break;
case 0x15:
mbx = mbx << 16 | MBA_CMPLT_1_16BIT;
qla2x00_async_event(ha, mbx);
break;
case 0x16:
mbx = mbx << 16 | MBA_SCSI_COMPLETION;
qla2x00_async_event(ha, mbx);
break;
default:
hccr = RD_REG_WORD(®->hccr);
if (hccr & HCCR_RISC_PAUSE) {
qla_printk(KERN_INFO, ha,
"RISC paused, dumping HCCR=%x\n",
hccr);
/*
* Issue a "HARD" reset in order for
* the RISC interrupt bit to be
* cleared. Schedule a big hammmer to
* get out of the RISC PAUSED state.
*/
WRT_REG_WORD(®->hccr,
HCCR_RESET_RISC);
RD_REG_WORD(®->hccr);
set_bit(ISP_ABORT_NEEDED,
&ha->dpc_flags);
break;
} else {
DEBUG2(printk("scsi(%ld): Unrecognized "
"interrupt type (%d)\n",
ha->host_no, stat & 0xff));
}
break;
}
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
qla2x00_next(ha);
ha->last_irq_cpu = smp_processor_id();
ha->total_isr_cnt++;
if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
(status & MBX_INTERRUPT) && ha->flags.mbox_int) {
/* There was a mailbox completion */
DEBUG3(printk("%s(%ld): Going to get mbx reg lock.\n",
__func__, ha->host_no));
spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
if (ha->mcp == NULL) {
DEBUG3(printk("%s(%ld): Error mbx pointer.\n",
__func__, ha->host_no));
} else {
DEBUG3(printk("%s(%ld): Going to set mbx intr flags. "
"cmd=%x.\n",
__func__, ha->host_no, ha->mcp->mb[0]));
}
set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
DEBUG3(printk("%s(%ld): Going to wake up mbx function for "
"completion.\n",
__func__, ha->host_no));
up(&ha->mbx_intr_sem);
DEBUG3(printk("%s(%ld): Going to release mbx reg lock.\n",
__func__, ha->host_no));
spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
}
if (!list_empty(&ha->done_queue))
qla2x00_done(ha);
/* Wakeup the DPC routine */
if ((!ha->flags.mbox_busy &&
(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))) &&
ha->dpc_wait && !ha->dpc_active) {
up(ha->dpc_wait);
}
return (IRQ_HANDLED);
}
/**
* qla2x00_async_event() - Process aynchronous events.
* @ha: SCSI driver HA context
* @mb: Mailbox registers (0 - 3)
*/
static void
qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
{
#define LS_UNKNOWN 2
static char *link_speeds[5] = { "1", "2", "?", "4", "10" };
char *link_speed;
uint16_t handle_cnt;
uint16_t cnt;
uint32_t handles[5];
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
uint32_t rscn_entry, host_pid;
uint8_t rscn_queue_index;
/* Setup to process RIO completion. */
handle_cnt = 0;
switch (mb[0]) {
case MBA_SCSI_COMPLETION:
handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
handle_cnt = 1;
break;
case MBA_CMPLT_1_16BIT:
handles[0] = mb[1];
handle_cnt = 1;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_3_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handle_cnt = 3;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_4_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handle_cnt = 4;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_5_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
handle_cnt = 5;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_32BIT:
handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1]));
handles[1] = le32_to_cpu(
((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) |
RD_MAILBOX_REG(ha, reg, 6));
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
default:
break;
}
switch (mb[0]) {
case MBA_SCSI_COMPLETION: /* Fast Post */
if (!ha->flags.online)
break;
for (cnt = 0; cnt < handle_cnt; cnt++)
qla2x00_process_completed_request(ha, handles[cnt]);
break;
case MBA_RESET: /* Reset */
DEBUG2(printk("scsi(%ld): Asynchronous RESET.\n", ha->host_no));
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
break;
case MBA_SYSTEM_ERR: /* System Error */
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
mb[3] = RD_MAILBOX_REG(ha, reg, 3);
qla_printk(KERN_INFO, ha,
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
mb[1], mb[2], mb[3]);
ha->isp_ops.fw_dump(ha, 1);
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
if (mb[1] == 0 && mb[2] == 0) {
qla_printk(KERN_ERR, ha,
"Unrecoverable Hardware Error: adapter "
"marked OFFLINE!\n");
ha->flags.online = 0;
} else
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
} else if (mb[1] == 0) {
qla_printk(KERN_INFO, ha,
"Unrecoverable Hardware Error: adapter marked "
"OFFLINE!\n");
ha->flags.online = 0;
} else
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
DEBUG2(printk("scsi(%ld): ISP Request Transfer Error.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
DEBUG2(printk("scsi(%ld): ISP Response Transfer Error.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
break;
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
DEBUG2(printk("scsi(%ld): Asynchronous WAKEUP_THRES.\n",
ha->host_no));
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no,
mb[1]));
qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
ha->flags.management_server_logged_in = 0;
break;
case MBA_LOOP_UP: /* Loop Up Event */
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
link_speed = link_speeds[0];
ha->link_data_rate = LDR_1GB;
} else {
link_speed = link_speeds[LS_UNKNOWN];
if (mb[1] < 5)
link_speed = link_speeds[mb[1]];
ha->link_data_rate = mb[1];
}
DEBUG2(printk("scsi(%ld): Asynchronous LOOP UP (%s Gbps).\n",
ha->host_no, link_speed));
qla_printk(KERN_INFO, ha, "LOOP UP detected (%s Gbps).\n",
link_speed);
ha->flags.management_server_logged_in = 0;
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
DEBUG2(printk("scsi(%ld): Asynchronous LOOP DOWN (%x).\n",
ha->host_no, mb[1]));
qla_printk(KERN_INFO, ha, "LOOP DOWN detected (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
ha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(ha, 1);
}
ha->flags.management_server_logged_in = 0;
ha->link_data_rate = LDR_UNKNOWN;
if (ql2xfdmienable)
set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
break;
case MBA_LIP_RESET: /* LIP reset occurred */
DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
ha->host_no, mb[1]));
qla_printk(KERN_INFO, ha,
"LIP reset occured (%x).\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
ha->operating_mode = LOOP;
ha->flags.management_server_logged_in = 0;
break;
case MBA_POINT_TO_POINT: /* Point-to-Point */
if (IS_QLA2100(ha))
break;
DEBUG2(printk("scsi(%ld): Asynchronous P2P MODE received.\n",
ha->host_no));
/*
* Until there's a transition from loop down to loop up, treat
* this as loop down only.
*/
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha, 1);
}
if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
set_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
}
set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
break;
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
if (IS_QLA2100(ha))
break;
DEBUG2(printk("scsi(%ld): Asynchronous Change In Connection "
"received.\n",
ha->host_no));
qla_printk(KERN_INFO, ha,
"Configuration change detected: value=%x.\n", mb[1]);
if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
atomic_set(&ha->loop_state, LOOP_DOWN);
if (!atomic_read(&ha->loop_down_timer))
atomic_set(&ha->loop_down_timer,
LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(ha, 1);
}
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
break;
case MBA_PORT_UPDATE: /* Port database update */
/*
* If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
* event etc. earlier indicating loop is down) then process
* it. Otherwise ignore it and Wait for RSCN to come in.
*/
atomic_set(&ha->loop_down_timer, 0);
if (atomic_read(&ha->loop_state) != LOOP_DOWN &&
atomic_read(&ha->loop_state) != LOOP_DEAD) {
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE "
"ignored %04x/%04x/%04x.\n", ha->host_no, mb[1],
mb[2], mb[3]));
break;
}
DEBUG2(printk("scsi(%ld): Asynchronous PORT UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): Port database changed %04x %04x %04x.\n",
ha->host_no, mb[1], mb[2], mb[3]));
/*
* Mark all devices as missing so we will login again.
*/
atomic_set(&ha->loop_state, LOOP_UP);
qla2x00_mark_all_devices_lost(ha, 1);
ha->flags.rscn_queue_overflow = 1;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): RSCN database changed -- %04x %04x.\n",
ha->host_no, mb[1], mb[2]));
rscn_entry = (mb[1] << 16) | mb[2];
host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
ha->d_id.b.al_pa;
if (rscn_entry == host_pid) {
DEBUG(printk(KERN_INFO
"scsi(%ld): Ignoring RSCN update to local host "
"port ID (%06x)\n",
ha->host_no, host_pid));
break;
}
rscn_queue_index = ha->rscn_in_ptr + 1;
if (rscn_queue_index == MAX_RSCN_COUNT)
rscn_queue_index = 0;
if (rscn_queue_index != ha->rscn_out_ptr) {
ha->rscn_queue[ha->rscn_in_ptr] = rscn_entry;
ha->rscn_in_ptr = rscn_queue_index;
} else {
ha->flags.rscn_queue_overflow = 1;
}
atomic_set(&ha->loop_state, LOOP_UPDATE);
atomic_set(&ha->loop_down_timer, 0);
ha->flags.management_server_logged_in = 0;
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
set_bit(RSCN_UPDATE, &ha->dpc_flags);
break;
/* case MBA_RIO_RESPONSE: */
case MBA_ZIO_RESPONSE:
DEBUG2(printk("scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
DEBUG(printk(KERN_INFO
"scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
qla24xx_process_response_queue(ha);
else
qla2x00_process_response_queue(ha);
break;
case MBA_DISCARD_RND_FRAME:
DEBUG2(printk("scsi(%ld): Discard RND Frame -- %04x %04x "
"%04x.\n", ha->host_no, mb[1], mb[2], mb[3]));
break;
case MBA_TRACE_NOTIFICATION:
DEBUG2(printk("scsi(%ld): Trace Notification -- %04x %04x.\n",
ha->host_no, mb[1], mb[2]));
break;
}
}
/**
* qla2x00_status_entry() - Process a Status IOCB entry.
* @ha: SCSI driver HA context
* @pkt: Entry pointer
*/
static void
qla2x00_status_entry(scsi_qla_host_t *ha, sts_entry_t *pkt)
{
int ret;
unsigned b, t, l;
srb_t *sp;
os_lun_t *lq;
os_tgt_t *tq;
fc_port_t *fcport;
struct scsi_cmnd *cp;
uint16_t comp_status;
uint16_t scsi_status;
uint8_t lscsi_status;
uint32_t resid;
uint8_t sense_sz = 0;
uint16_t rsp_info_len;
/* Fast path completion. */
if (le16_to_cpu(pkt->comp_status) == CS_COMPLETE &&
(le16_to_cpu(pkt->scsi_status) & SS_MASK) == 0) {
qla2x00_process_completed_request(ha, pkt->handle);
return;
}
/* Validate handle. */
if (pkt->handle < MAX_OUTSTANDING_COMMANDS) {
sp = ha->outstanding_cmds[pkt->handle];
ha->outstanding_cmds[pkt->handle] = 0;
} else
sp = NULL;
if (sp == NULL) {
DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
if (ha->dpc_wait && !ha->dpc_active)
up(ha->dpc_wait);
return;
}
cp = sp->cmd;
if (cp == NULL) {
DEBUG2(printk("scsi(%ld): Command already returned back to OS "
"pkt->handle=%d sp=%p sp->state:%d\n",
ha->host_no, pkt->handle, sp, sp->state));
qla_printk(KERN_WARNING, ha,
"Command is NULL: already returned to OS (sp=%p)\n", sp);
return;
}
if (ha->actthreads)
ha->actthreads--;
if (sp->lun_queue == NULL) {
DEBUG2(printk("scsi(%ld): Status Entry invalid lun pointer.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha,
"Status Entry invalid lun pointer.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
if (ha->dpc_wait && !ha->dpc_active)
up(ha->dpc_wait);
return;
}
sp->lun_queue->out_cnt--;
comp_status = le16_to_cpu(pkt->comp_status);
/* Mask of reserved bits 12-15, before we examine the scsi status */
scsi_status = le16_to_cpu(pkt->scsi_status) & SS_MASK;
lscsi_status = scsi_status & STATUS_MASK;
CMD_ENTRY_STATUS(cp) = pkt->entry_status;
CMD_COMPL_STATUS(cp) = comp_status;
CMD_SCSI_STATUS(cp) = scsi_status;
/* Generate LU queue on cntrl, target, LUN */
b = cp->device->channel;
t = cp->device->id;
l = cp->device->lun,
tq = sp->tgt_queue;
lq = sp->lun_queue;
/*
* If loop is in transient state Report DID_BUS_BUSY
*/
if ((comp_status != CS_COMPLETE || scsi_status != 0)) {
if (!(sp->flags & SRB_IOCTL) &&
(atomic_read(&ha->loop_down_timer) ||
atomic_read(&ha->loop_state) != LOOP_READY)) {
DEBUG2(printk("scsi(%ld:%d:%d:%d): Loop Not Ready - "
"pid=%lx.\n",
ha->host_no, b, t, l, cp->serial_number));
qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
add_to_retry_queue(ha, sp);
return;
}
}
/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
rsp_info_len = le16_to_cpu(pkt->rsp_info_len);
if (rsp_info_len > 3 && pkt->rsp_info[3]) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
"failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
"retrying command\n", ha->host_no, b, t, l,
rsp_info_len, pkt->rsp_info[0], pkt->rsp_info[1],
pkt->rsp_info[2], pkt->rsp_info[3],
pkt->rsp_info[4], pkt->rsp_info[5],
pkt->rsp_info[6], pkt->rsp_info[7]));
cp->result = DID_BUS_BUSY << 16;
add_to_done_queue(ha, sp);
return;
}
}
/*
* Based on Host and scsi status generate status code for Linux
*/
switch (comp_status) {
case CS_COMPLETE:
if (scsi_status == 0) {
cp->result = DID_OK << 16;
break;
}
if (lscsi_status == SS_BUSY_CONDITION) {
cp->result = DID_BUS_BUSY << 16 | lscsi_status;
break;
}
cp->result = DID_OK << 16 | lscsi_status;
if (lscsi_status != SS_CHECK_CONDITION)
break;
/*
* Copy Sense Data into sense buffer
*/
memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
if (le16_to_cpu(pkt->req_sense_length) <
sizeof(cp->sense_buffer))
sense_sz = le16_to_cpu(pkt->req_sense_length);
else
sense_sz = sizeof(cp->sense_buffer) - 1;
CMD_ACTUAL_SNSLEN(cp) = sense_sz;
sp->request_sense_length = sense_sz;
sp->request_sense_ptr = cp->sense_buffer;
if (sp->request_sense_length > 32)
sense_sz = 32;
memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz);
sp->request_sense_ptr += sense_sz;
sp->request_sense_length -= sense_sz;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
if (!(sp->flags & SRB_IOCTL) &&
qla2x00_check_sense(cp, lq) == QLA_SUCCESS) {
/* Throw away status_cont if any */
ha->status_srb = NULL;
add_to_scsi_retry_queue(ha, sp);
return;
}
DEBUG5(printk("%s(): Check condition Sense data, "
"scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
__func__, ha->host_no, b, t, l, cp,
cp->serial_number));
if (sense_sz)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
break;
case CS_DATA_UNDERRUN:
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d) UNDERRUN status detected 0x%x-0x%x.\n",
ha->host_no, t, l, comp_status, scsi_status));
resid = le32_to_cpu(pkt->residual_length);
CMD_RESID_LEN(cp) = resid;
/*
* Check to see if SCSI Status is non zero. If so report SCSI
* Status.
*/
if (lscsi_status != 0) {
if (lscsi_status == SS_BUSY_CONDITION) {
cp->result = DID_BUS_BUSY << 16 |
lscsi_status;
break;
}
cp->result = DID_OK << 16 | lscsi_status;
if (lscsi_status != SS_CHECK_CONDITION)
break;
/* Copy Sense Data into sense buffer */
memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
if (le16_to_cpu(pkt->req_sense_length) <
sizeof(cp->sense_buffer))
sense_sz = le16_to_cpu(pkt->req_sense_length);
else
sense_sz = sizeof(cp->sense_buffer) - 1;
CMD_ACTUAL_SNSLEN(cp) = sense_sz;
sp->request_sense_length = sense_sz;
sp->request_sense_ptr = cp->sense_buffer;
if (sp->request_sense_length > 32)
sense_sz = 32;
memcpy(cp->sense_buffer, pkt->req_sense_data, sense_sz);
sp->request_sense_ptr += sense_sz;
sp->request_sense_length -= sense_sz;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
if (!(sp->flags & SRB_IOCTL) &&
(qla2x00_check_sense(cp, lq) == QLA_SUCCESS)) {
ha->status_srb = NULL;
add_to_scsi_retry_queue(ha, sp);
return;
}
DEBUG5(printk("%s(): Check condition Sense data, "
"scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
__func__, ha->host_no, b, t, l, cp,
cp->serial_number));
if (sense_sz)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
} else {
/*
* If RISC reports underrun and target does not report
* it then we must have a lost frame, so tell upper
* layer to retry it by reporting a bus busy.
*/
if (!(scsi_status & SS_RESIDUAL_UNDER)) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
"frame(s) detected (%x of %x bytes)..."
"retrying command.\n",
ha->host_no, b, t, l, resid,
cp->request_bufflen));
cp->result = DID_BUS_BUSY << 16;
ha->dropped_frame_error_cnt++;
break;
}
/* Handle mid-layer underflow */
cp->resid = resid;
if ((unsigned)(cp->request_bufflen - resid) <
cp->underflow) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Mid-layer underflow "
"detected (%x of %x bytes)...returning "
"error status.\n",
ha->host_no, b, t, l, resid,
cp->request_bufflen);
cp->result = DID_ERROR << 16;
break;
}
/* Everybody online, looking good... */
cp->result = DID_OK << 16;
}
break;
case CS_DATA_OVERRUN:
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
ha->host_no, t, l, comp_status, scsi_status));
DEBUG2(printk(KERN_INFO
"CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
cp->cmnd[4], cp->cmnd[5]));
DEBUG2(printk(KERN_INFO
"PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
"status!\n",
cp->serial_number, cp->request_bufflen,
le32_to_cpu(pkt->residual_length)));
cp->result = DID_ERROR << 16;
break;
case CS_PORT_LOGGED_OUT:
case CS_PORT_CONFIG_CHG:
case CS_PORT_BUSY:
case CS_INCOMPLETE:
case CS_PORT_UNAVAILABLE:
/*
* If the port is in Target Down state, return all IOs for this
* Target with DID_NO_CONNECT ELSE Queue the IOs in the
* retry_queue.
*/
fcport = sp->fclun->fcport;
DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
"pid=%ld, compl status=0x%x, port state=0x%x\n",
ha->host_no, t, l, cp->serial_number, comp_status,
atomic_read(&fcport->state)));
if ((sp->flags & SRB_IOCTL) ||
atomic_read(&fcport->state) == FCS_DEVICE_DEAD) {
cp->result = DID_NO_CONNECT << 16;
if (atomic_read(&ha->loop_state) == LOOP_DOWN)
sp->err_id = SRB_ERR_LOOP;
else
sp->err_id = SRB_ERR_PORT;
add_to_done_queue(ha, sp);
} else {
qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
add_to_retry_queue(ha, sp);
}
if (atomic_read(&fcport->state) == FCS_ONLINE) {
qla2x00_mark_device_lost(ha, fcport, 1);
}
return;
break;
case CS_RESET:
DEBUG2(printk(KERN_INFO
"scsi(%ld): RESET status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
if (sp->flags & SRB_IOCTL) {
cp->result = DID_RESET << 16;
} else {
qla2x00_extend_timeout(cp, EXTEND_CMD_TIMEOUT);
add_to_retry_queue(ha, sp);
return;
}
break;
case CS_ABORTED:
/*
* hv2.19.12 - DID_ABORT does not retry the request if we
* aborted this request then abort otherwise it must be a
* reset.
*/
DEBUG2(printk(KERN_INFO
"scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
cp->result = DID_RESET << 16;
break;
case CS_TIMEOUT:
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x.\n",
ha->host_no, b, t, l, comp_status, scsi_status));
cp->result = DID_BUS_BUSY << 16;
fcport = lq->fclun->fcport;
/* Check to see if logout occurred */
if ((le16_to_cpu(pkt->status_flags) & SF_LOGOUT_SENT)) {
qla2x00_mark_device_lost(ha, fcport, 1);
}
break;
case CS_QUEUE_FULL:
DEBUG2(printk(KERN_INFO
"scsi(%ld): QUEUE FULL status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
/* SCSI Mid-Layer handles device queue full */
cp->result = DID_OK << 16 | lscsi_status;
/* TODO: ??? */
/* Adjust queue depth */
ret = scsi_track_queue_full(cp->device,
sp->lun_queue->out_cnt - 1);
if (ret) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Queue depth adjusted to %d.\n",
ha->host_no, cp->device->channel, cp->device->id,
cp->device->lun, ret);
}
break;
default:
DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
"0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
qla_printk(KERN_INFO, ha,
"Unknown status detected 0x%x-0x%x.\n",
comp_status, scsi_status);
cp->result = DID_ERROR << 16;
break;
}
/* Place command on done queue. */
if (ha->status_srb == NULL)
add_to_done_queue(ha, sp);
}
/**
* qla2x00_status_entry() - Process a Status IOCB entry.
* @ha: SCSI driver HA context
* @pkt: Entry pointer
*/
static void
qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
{
srb_t *sp;
fc_port_t *fcport;
struct scsi_cmnd *cp;
sts_entry_t *sts;
struct sts_entry_24xx *sts24;
uint16_t comp_status;
uint16_t scsi_status;
uint8_t lscsi_status;
int32_t resid;
uint32_t sense_len, rsp_info_len, resid_len, fw_resid_len;
uint8_t *rsp_info, *sense_data;
sts = (sts_entry_t *) pkt;
sts24 = (struct sts_entry_24xx *) pkt;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
comp_status = le16_to_cpu(sts24->comp_status);
scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
} else {
comp_status = le16_to_cpu(sts->comp_status);
scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
}
/* Fast path completion. */
if (comp_status == CS_COMPLETE && scsi_status == 0) {
qla2x00_process_completed_request(ha, sts->handle);
return;
}
/* Validate handle. */
if (sts->handle < MAX_OUTSTANDING_COMMANDS) {
sp = ha->outstanding_cmds[sts->handle];
ha->outstanding_cmds[sts->handle] = NULL;
} else
sp = NULL;
if (sp == NULL) {
DEBUG2(printk("scsi(%ld): Status Entry invalid handle.\n",
ha->host_no));
qla_printk(KERN_WARNING, ha, "Status Entry invalid handle.\n");
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
qla2xxx_wake_dpc(ha);
return;
}
cp = sp->cmd;
if (cp == NULL) {
DEBUG2(printk("scsi(%ld): Command already returned back to OS "
"pkt->handle=%d sp=%p.\n", ha->host_no, sts->handle, sp));
qla_printk(KERN_WARNING, ha,
"Command is NULL: already returned to OS (sp=%p)\n", sp);
return;
}
lscsi_status = scsi_status & STATUS_MASK;
CMD_ENTRY_STATUS(cp) = sts->entry_status;
CMD_COMPL_STATUS(cp) = comp_status;
CMD_SCSI_STATUS(cp) = scsi_status;
fcport = sp->fcport;
sense_len = rsp_info_len = resid_len = fw_resid_len = 0;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
sense_len = le32_to_cpu(sts24->sense_len);
rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
resid_len = le32_to_cpu(sts24->rsp_residual_count);
fw_resid_len = le32_to_cpu(sts24->residual_len);
rsp_info = sts24->data;
sense_data = sts24->data;
host_to_fcp_swap(sts24->data, sizeof(sts24->data));
} else {
sense_len = le16_to_cpu(sts->req_sense_length);
rsp_info_len = le16_to_cpu(sts->rsp_info_len);
resid_len = le32_to_cpu(sts->residual_length);
rsp_info = sts->rsp_info;
sense_data = sts->req_sense_data;
}
/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
/* Sense data lies beyond any FCP RESPONSE data. */
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
sense_data += rsp_info_len;
if (rsp_info_len > 3 && rsp_info[3]) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) FCP I/O protocol "
"failure (%x/%02x%02x%02x%02x%02x%02x%02x%02x)..."
"retrying command\n", ha->host_no,
cp->device->channel, cp->device->id,
cp->device->lun, rsp_info_len, rsp_info[0],
rsp_info[1], rsp_info[2], rsp_info[3], rsp_info[4],
rsp_info[5], rsp_info[6], rsp_info[7]));
cp->result = DID_BUS_BUSY << 16;
qla2x00_sp_compl(ha, sp);
return;
}
}
/*
* Based on Host and scsi status generate status code for Linux
*/
switch (comp_status) {
case CS_COMPLETE:
if (scsi_status == 0) {
cp->result = DID_OK << 16;
break;
}
if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
resid = resid_len;
cp->resid = resid;
CMD_RESID_LEN(cp) = resid;
if (!lscsi_status &&
((unsigned)(cp->request_bufflen - resid) <
cp->underflow)) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Mid-layer underflow "
"detected (%x of %x bytes)...returning "
"error status.\n", ha->host_no,
cp->device->channel, cp->device->id,
cp->device->lun, resid,
cp->request_bufflen);
cp->result = DID_ERROR << 16;
break;
}
}
cp->result = DID_OK << 16 | lscsi_status;
if (lscsi_status != SS_CHECK_CONDITION)
break;
/* Copy Sense Data into sense buffer. */
memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
if (sense_len >= sizeof(cp->sense_buffer))
sense_len = sizeof(cp->sense_buffer);
CMD_ACTUAL_SNSLEN(cp) = sense_len;
sp->request_sense_length = sense_len;
sp->request_sense_ptr = cp->sense_buffer;
if (sp->request_sense_length > 32)
sense_len = 32;
memcpy(cp->sense_buffer, sense_data, sense_len);
sp->request_sense_ptr += sense_len;
sp->request_sense_length -= sense_len;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
DEBUG5(printk("%s(): Check condition Sense data, "
"scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__,
ha->host_no, cp->device->channel, cp->device->id,
cp->device->lun, cp, cp->serial_number));
if (sense_len)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
break;
case CS_DATA_UNDERRUN:
resid = resid_len;
/* Use F/W calculated residual length. */
if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
resid = fw_resid_len;
if (scsi_status & SS_RESIDUAL_UNDER) {
cp->resid = resid;
CMD_RESID_LEN(cp) = resid;
} else {
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d) UNDERRUN status detected "
"0x%x-0x%x. resid=0x%x fw_resid=0x%x cdb=0x%x "
"os_underflow=0x%x\n", ha->host_no,
cp->device->id, cp->device->lun, comp_status,
scsi_status, resid_len, resid, cp->cmnd[0],
cp->underflow));
}
/*
* Check to see if SCSI Status is non zero. If so report SCSI
* Status.
*/
if (lscsi_status != 0) {
cp->result = DID_OK << 16 | lscsi_status;
if (lscsi_status != SS_CHECK_CONDITION)
break;
/* Copy Sense Data into sense buffer */
memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer));
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
if (sense_len >= sizeof(cp->sense_buffer))
sense_len = sizeof(cp->sense_buffer);
CMD_ACTUAL_SNSLEN(cp) = sense_len;
sp->request_sense_length = sense_len;
sp->request_sense_ptr = cp->sense_buffer;
if (sp->request_sense_length > 32)
sense_len = 32;
memcpy(cp->sense_buffer, sense_data, sense_len);
sp->request_sense_ptr += sense_len;
sp->request_sense_length -= sense_len;
if (sp->request_sense_length != 0)
ha->status_srb = sp;
DEBUG5(printk("%s(): Check condition Sense data, "
"scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n",
__func__, ha->host_no, cp->device->channel,
cp->device->id, cp->device->lun, cp,
cp->serial_number));
if (sense_len)
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer,
CMD_ACTUAL_SNSLEN(cp)));
} else {
/*
* If RISC reports underrun and target does not report
* it then we must have a lost frame, so tell upper
* layer to retry it by reporting a bus busy.
*/
if (!(scsi_status & SS_RESIDUAL_UNDER)) {
DEBUG2(printk("scsi(%ld:%d:%d:%d) Dropped "
"frame(s) detected (%x of %x bytes)..."
"retrying command.\n", ha->host_no,
cp->device->channel, cp->device->id,
cp->device->lun, resid,
cp->request_bufflen));
cp->result = DID_BUS_BUSY << 16;
break;
}
/* Handle mid-layer underflow */
if ((unsigned)(cp->request_bufflen - resid) <
cp->underflow) {
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d:%d): Mid-layer underflow "
"detected (%x of %x bytes)...returning "
"error status.\n", ha->host_no,
cp->device->channel, cp->device->id,
cp->device->lun, resid,
cp->request_bufflen);
cp->result = DID_ERROR << 16;
break;
}
/* Everybody online, looking good... */
cp->result = DID_OK << 16;
}
break;
case CS_DATA_OVERRUN:
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d): OVERRUN status detected 0x%x-0x%x\n",
ha->host_no, cp->device->id, cp->device->lun, comp_status,
scsi_status));
DEBUG2(printk(KERN_INFO
"CDB: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3],
cp->cmnd[4], cp->cmnd[5]));
DEBUG2(printk(KERN_INFO
"PID=0x%lx req=0x%x xtra=0x%x -- returning DID_ERROR "
"status!\n",
cp->serial_number, cp->request_bufflen, resid_len));
cp->result = DID_ERROR << 16;
break;
case CS_PORT_LOGGED_OUT:
case CS_PORT_CONFIG_CHG:
case CS_PORT_BUSY:
case CS_INCOMPLETE:
case CS_PORT_UNAVAILABLE:
/*
* If the port is in Target Down state, return all IOs for this
* Target with DID_NO_CONNECT ELSE Queue the IOs in the
* retry_queue.
*/
DEBUG2(printk("scsi(%ld:%d:%d): status_entry: Port Down "
"pid=%ld, compl status=0x%x, port state=0x%x\n",
ha->host_no, cp->device->id, cp->device->lun,
cp->serial_number, comp_status,
atomic_read(&fcport->state)));
cp->result = DID_BUS_BUSY << 16;
if (atomic_read(&fcport->state) == FCS_ONLINE) {
qla2x00_mark_device_lost(ha, fcport, 1, 1);
}
break;
case CS_RESET:
DEBUG2(printk(KERN_INFO
"scsi(%ld): RESET status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
cp->result = DID_RESET << 16;
break;
case CS_ABORTED:
/*
* hv2.19.12 - DID_ABORT does not retry the request if we
* aborted this request then abort otherwise it must be a
* reset.
*/
DEBUG2(printk(KERN_INFO
"scsi(%ld): ABORT status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
cp->result = DID_RESET << 16;
break;
case CS_TIMEOUT:
cp->result = DID_BUS_BUSY << 16;
if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d:%d): TIMEOUT status detected "
"0x%x-0x%x\n", ha->host_no, cp->device->channel,
cp->device->id, cp->device->lun, comp_status,
scsi_status));
break;
}
DEBUG2(printk(KERN_INFO
"scsi(%ld:%d:%d:%d): TIMEOUT status detected 0x%x-0x%x "
"sflags=%x.\n", ha->host_no, cp->device->channel,
cp->device->id, cp->device->lun, comp_status, scsi_status,
le16_to_cpu(sts->status_flags)));
/* Check to see if logout occurred. */
if ((le16_to_cpu(sts->status_flags) & SF_LOGOUT_SENT))
qla2x00_mark_device_lost(ha, fcport, 1, 1);
break;
case CS_QUEUE_FULL:
DEBUG2(printk(KERN_INFO
"scsi(%ld): QUEUE FULL status detected 0x%x-0x%x.\n",
ha->host_no, comp_status, scsi_status));
/* SCSI Mid-Layer handles device queue full */
cp->result = DID_OK << 16 | lscsi_status;
break;
default:
DEBUG3(printk("scsi(%ld): Error detected (unknown status) "
"0x%x-0x%x.\n", ha->host_no, comp_status, scsi_status));
qla_printk(KERN_INFO, ha,
"Unknown status detected 0x%x-0x%x.\n",
comp_status, scsi_status);
cp->result = DID_ERROR << 16;
break;
}
/* Place command on done queue. */
if (ha->status_srb == NULL)
qla2x00_sp_compl(ha, sp);
}
/**
* qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
* @ha: HA context
* @hardware_locked: Called with the hardware_lock
*/
void
qla2100_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
{
int rval;
uint32_t cnt, timer;
uint16_t risc_address;
uint16_t mb0, mb2;
device_reg_t __iomem *reg = ha->iobase;
uint16_t __iomem *dmp_reg;
unsigned long flags;
struct qla2100_fw_dump *fw;
risc_address = 0;
mb0 = mb2 = 0;
flags = 0;
if (!hardware_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
if (ha->fw_dump != NULL) {
qla_printk(KERN_WARNING, ha,
"Firmware has been previously dumped (%p) -- ignoring "
"request...\n", ha->fw_dump);
goto qla2100_fw_dump_failed;
}
/* Allocate (large) dump buffer. */
ha->fw_dump_order = get_order(sizeof(struct qla2100_fw_dump));
ha->fw_dump = (struct qla2100_fw_dump *) __get_free_pages(GFP_ATOMIC,
ha->fw_dump_order);
if (ha->fw_dump == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocated memory for firmware dump (%d/%Zd).\n",
ha->fw_dump_order, sizeof(struct qla2100_fw_dump));
goto qla2100_fw_dump_failed;
}
fw = ha->fw_dump;
rval = QLA_SUCCESS;
fw->hccr = RD_REG_WORD(®->hccr);
/* Pause RISC. */
WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
for (cnt = 30000; (RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS) {
dmp_reg = (uint16_t __iomem *)(reg + 0);
for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
fw->pbiu_reg[cnt] = RD_REG_WORD(dmp_reg++);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x10);
for (cnt = 0; cnt < ha->mbx_count; cnt++) {
if (cnt == 8) {
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0xe0);
}
fw->mailbox_reg[cnt] = RD_REG_WORD(dmp_reg++);
}
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x20);
for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
fw->dma_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x00);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0xA0);
for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
fw->risc_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2000);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp0_reg) / 2; cnt++)
fw->risc_gp0_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2100);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp1_reg) / 2; cnt++)
fw->risc_gp1_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2200);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp2_reg) / 2; cnt++)
fw->risc_gp2_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2300);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp3_reg) / 2; cnt++)
fw->risc_gp3_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2400);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp4_reg) / 2; cnt++)
fw->risc_gp4_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2500);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp5_reg) / 2; cnt++)
fw->risc_gp5_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2600);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp6_reg) / 2; cnt++)
fw->risc_gp6_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->pcr, 0x2700);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->risc_gp7_reg) / 2; cnt++)
fw->risc_gp7_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x10);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->frame_buf_hdw_reg) / 2; cnt++)
fw->frame_buf_hdw_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x20);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->fpm_b0_reg) / 2; cnt++)
fw->fpm_b0_reg[cnt] = RD_REG_WORD(dmp_reg++);
WRT_REG_WORD(®->ctrl_status, 0x30);
dmp_reg = (uint16_t __iomem *)((uint8_t __iomem *)reg + 0x80);
for (cnt = 0; cnt < sizeof(fw->fpm_b1_reg) / 2; cnt++)
fw->fpm_b1_reg[cnt] = RD_REG_WORD(dmp_reg++);
/* Reset the ISP. */
WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
}
for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
/* Pause RISC. */
if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
(RD_REG_WORD(®->mctr) & (BIT_1 | BIT_0)) != 0))) {
WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
for (cnt = 30000;
(RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS) {
/* Set memory configuration and timing. */
if (IS_QLA2100(ha))
WRT_REG_WORD(®->mctr, 0xf1);
else
WRT_REG_WORD(®->mctr, 0xf2);
RD_REG_WORD(®->mctr); /* PCI Posting. */
/* Release RISC. */
WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
}
}
if (rval == QLA_SUCCESS) {
/* Get RISC SRAM. */
risc_address = 0x1000;
WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
}
for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
cnt++, risc_address++) {
WRT_MAILBOX_REG(ha, reg, 1, risc_address);
WRT_REG_WORD(®->hccr, HCCR_SET_HOST_INT);
for (timer = 6000000; timer != 0; timer--) {
/* Check for pending interrupts. */
if (RD_REG_WORD(®->istatus) & ISR_RISC_INT) {
if (RD_REG_WORD(®->semaphore) & BIT_0) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
WRT_REG_WORD(®->semaphore, 0);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
}
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
udelay(5);
}
if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
rval = mb0 & MBS_MASK;
fw->risc_ram[cnt] = mb2;
} else {
rval = QLA_FUNCTION_FAILED;
}
}
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Failed to dump firmware (%x)!!!\n", rval);
free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
ha->fw_dump = NULL;
} else {
qla_printk(KERN_INFO, ha,
"Firmware dump saved to temp buffer (%ld/%p).\n",
ha->host_no, ha->fw_dump);
}
qla2100_fw_dump_failed:
if (!hardware_locked)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
/**
* qla2100_fw_dump() - Dumps binary data from the 2100/2200 firmware.
* @ha: HA context
* @hardware_locked: Called with the hardware_lock
*/
void
qla2100_fw_dump(scsi_qla_host_t *ha, int hardware_locked)
{
int rval;
uint32_t cnt, timer;
uint16_t risc_address;
uint16_t mb0, mb2;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
uint16_t __iomem *dmp_reg;
unsigned long flags;
struct qla2100_fw_dump *fw;
risc_address = 0;
mb0 = mb2 = 0;
flags = 0;
if (!hardware_locked)
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!ha->fw_dump) {
qla_printk(KERN_WARNING, ha,
"No buffer available for dump!!!\n");
goto qla2100_fw_dump_failed;
}
if (ha->fw_dumped) {
qla_printk(KERN_WARNING, ha,
"Firmware has been previously dumped (%p) -- ignoring "
"request...\n", ha->fw_dump);
goto qla2100_fw_dump_failed;
}
fw = &ha->fw_dump->isp.isp21;
qla2xxx_prep_dump(ha, ha->fw_dump);
rval = QLA_SUCCESS;
fw->hccr = htons(RD_REG_WORD(®->hccr));
/* Pause RISC. */
WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
for (cnt = 30000; (RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS) {
dmp_reg = ®->flash_address;
for (cnt = 0; cnt < sizeof(fw->pbiu_reg) / 2; cnt++)
fw->pbiu_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
dmp_reg = ®->u.isp2100.mailbox0;
for (cnt = 0; cnt < ha->mbx_count; cnt++) {
if (cnt == 8)
dmp_reg = ®->u_end.isp2200.mailbox8;
fw->mailbox_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
}
dmp_reg = ®->u.isp2100.unused_2[0];
for (cnt = 0; cnt < sizeof(fw->dma_reg) / 2; cnt++)
fw->dma_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
WRT_REG_WORD(®->ctrl_status, 0x00);
dmp_reg = ®->risc_hw;
for (cnt = 0; cnt < sizeof(fw->risc_hdw_reg) / 2; cnt++)
fw->risc_hdw_reg[cnt] = htons(RD_REG_WORD(dmp_reg++));
WRT_REG_WORD(®->pcr, 0x2000);
qla2xxx_read_window(reg, 16, fw->risc_gp0_reg);
WRT_REG_WORD(®->pcr, 0x2100);
qla2xxx_read_window(reg, 16, fw->risc_gp1_reg);
WRT_REG_WORD(®->pcr, 0x2200);
qla2xxx_read_window(reg, 16, fw->risc_gp2_reg);
WRT_REG_WORD(®->pcr, 0x2300);
qla2xxx_read_window(reg, 16, fw->risc_gp3_reg);
WRT_REG_WORD(®->pcr, 0x2400);
qla2xxx_read_window(reg, 16, fw->risc_gp4_reg);
WRT_REG_WORD(®->pcr, 0x2500);
qla2xxx_read_window(reg, 16, fw->risc_gp5_reg);
WRT_REG_WORD(®->pcr, 0x2600);
qla2xxx_read_window(reg, 16, fw->risc_gp6_reg);
WRT_REG_WORD(®->pcr, 0x2700);
qla2xxx_read_window(reg, 16, fw->risc_gp7_reg);
WRT_REG_WORD(®->ctrl_status, 0x10);
qla2xxx_read_window(reg, 16, fw->frame_buf_hdw_reg);
WRT_REG_WORD(®->ctrl_status, 0x20);
qla2xxx_read_window(reg, 64, fw->fpm_b0_reg);
WRT_REG_WORD(®->ctrl_status, 0x30);
qla2xxx_read_window(reg, 64, fw->fpm_b1_reg);
/* Reset the ISP. */
WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
}
for (cnt = 30000; RD_MAILBOX_REG(ha, reg, 0) != 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
/* Pause RISC. */
if (rval == QLA_SUCCESS && (IS_QLA2200(ha) || (IS_QLA2100(ha) &&
(RD_REG_WORD(®->mctr) & (BIT_1 | BIT_0)) != 0))) {
WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
for (cnt = 30000;
(RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt)
udelay(100);
else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS) {
/* Set memory configuration and timing. */
if (IS_QLA2100(ha))
WRT_REG_WORD(®->mctr, 0xf1);
else
WRT_REG_WORD(®->mctr, 0xf2);
RD_REG_WORD(®->mctr); /* PCI Posting. */
/* Release RISC. */
WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
}
}
if (rval == QLA_SUCCESS) {
/* Get RISC SRAM. */
risc_address = 0x1000;
WRT_MAILBOX_REG(ha, reg, 0, MBC_READ_RAM_WORD);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
}
for (cnt = 0; cnt < sizeof(fw->risc_ram) / 2 && rval == QLA_SUCCESS;
cnt++, risc_address++) {
WRT_MAILBOX_REG(ha, reg, 1, risc_address);
WRT_REG_WORD(®->hccr, HCCR_SET_HOST_INT);
for (timer = 6000000; timer != 0; timer--) {
/* Check for pending interrupts. */
if (RD_REG_WORD(®->istatus) & ISR_RISC_INT) {
if (RD_REG_WORD(®->semaphore) & BIT_0) {
set_bit(MBX_INTERRUPT,
&ha->mbx_cmd_flags);
mb0 = RD_MAILBOX_REG(ha, reg, 0);
mb2 = RD_MAILBOX_REG(ha, reg, 2);
WRT_REG_WORD(®->semaphore, 0);
WRT_REG_WORD(®->hccr,
HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
break;
}
WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
RD_REG_WORD(®->hccr);
}
udelay(5);
}
if (test_and_clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags)) {
rval = mb0 & MBS_MASK;
fw->risc_ram[cnt] = htons(mb2);
} else {
rval = QLA_FUNCTION_FAILED;
}
}
if (rval == QLA_SUCCESS)
qla2xxx_copy_queues(ha, &fw->risc_ram[cnt]);
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Failed to dump firmware (%x)!!!\n", rval);
ha->fw_dumped = 0;
} else {
qla_printk(KERN_INFO, ha,
"Firmware dump saved to temp buffer (%ld/%p).\n",
ha->host_no, ha->fw_dump);
ha->fw_dumped = 1;
}
qla2100_fw_dump_failed:
if (!hardware_locked)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}