.global_intr_mask = 0x00034,
.ioa_host_intr = 0x0009C,
.ioa_host_intr_clr = 0x000A0,
+ .ioa_host_msix_intr = 0x7FC40,
.ioa_host_mask = 0x7FC28,
.ioa_host_mask_clr = 0x7FC28,
.host_ioa_intr = 0x00020,
u8 target, bus, lun;
unsigned long lock_flags;
int rc = -ENXIO;
+ u16 fw_version;
+
pinstance = shost_priv(scsi_dev->host);
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
+
/* Driver exposes VSET and GSCSI resources only; all other device types
* are not exposed. Resource list is synchronized using resource lock
* so any traversal or modifications to the list should be done inside
/* do not expose VSETs with order-ids > MAX_VSET_TARGETS */
if (RES_IS_VSET(temp->cfg_entry)) {
- target = temp->cfg_entry.unique_flags1;
+ if (fw_version <= PMCRAID_FW_VERSION_1)
+ target = temp->cfg_entry.unique_flags1;
+ else
+ target = temp->cfg_entry.array_id & 0xFF;
+
if (target > PMCRAID_MAX_VSET_TARGETS)
continue;
bus = PMCRAID_VSET_BUS_ID;
* @reason: calling context
*
* Return value
- * actual depth set
+ * actual depth set
*/
static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth,
int reason)
* @tag: type of tags to use
*
* Return value:
- * actual queue type set
+ * actual queue type set
*/
static int pmcraid_change_queue_type(struct scsi_device *scsi_dev, int tag)
{
* processed by IOA
*/
memset(&cmd->ioa_cb->ioarcb.cdb, 0, PMCRAID_MAX_CDB_LEN);
+ ioarcb->hrrq_id = 0;
ioarcb->request_flags0 = 0;
ioarcb->request_flags1 = 0;
ioarcb->cmd_timeout = 0;
ioarcb->add_cmd_param_offset = 0;
cmd->ioa_cb->ioasa.ioasc = 0;
cmd->ioa_cb->ioasa.residual_data_length = 0;
- cmd->u.time_left = 0;
+ cmd->time_left = 0;
}
cmd->cmd_done = NULL;
cmd->scsi_cmd = NULL;
cmd->release = 0;
cmd->completion_req = 0;
+ cmd->sense_buffer = 0;
+ cmd->sense_buffer_dma = 0;
cmd->dma_handle = 0;
init_timer(&cmd->timer);
}
*/
static u32 pmcraid_read_interrupts(struct pmcraid_instance *pinstance)
{
- return ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
+ return (pinstance->interrupt_mode) ?
+ ioread32(pinstance->int_regs.ioa_host_msix_interrupt_reg) :
+ ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
}
/**
u32 gmask = ioread32(pinstance->int_regs.global_interrupt_mask_reg);
u32 nmask = gmask | GLOBAL_INTERRUPT_MASK;
- iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
iowrite32(intrs, pinstance->int_regs.ioa_host_interrupt_clr_reg);
- iowrite32(intrs, pinstance->int_regs.ioa_host_interrupt_mask_reg);
- ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
+ ioread32(pinstance->int_regs.global_interrupt_mask_reg);
+
+ if (!pinstance->interrupt_mode) {
+ iowrite32(intrs,
+ pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ }
}
/**
u32 nmask = gmask & (~GLOBAL_INTERRUPT_MASK);
iowrite32(nmask, pinstance->int_regs.global_interrupt_mask_reg);
- iowrite32(~intrs, pinstance->int_regs.ioa_host_interrupt_mask_reg);
- ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
+
+ if (!pinstance->interrupt_mode) {
+ iowrite32(~intrs,
+ pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ }
pmcraid_info("enabled interrupts global mask = %x intr_mask = %x\n",
ioread32(pinstance->int_regs.global_interrupt_mask_reg),
ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg));
}
+/**
+ * pmcraid_clr_trans_op - clear trans to op interrupt
+ *
+ * @pinstance: pointer to per adapter instance structure
+ *
+ * Return Value
+ * None
+ */
+static void pmcraid_clr_trans_op(
+ struct pmcraid_instance *pinstance
+)
+{
+ unsigned long lock_flags;
+
+ if (!pinstance->interrupt_mode) {
+ iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
+ pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ ioread32(pinstance->int_regs.ioa_host_interrupt_mask_reg);
+ iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
+ pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ ioread32(pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ }
+
+ if (pinstance->reset_cmd != NULL) {
+ del_timer(&pinstance->reset_cmd->timer);
+ spin_lock_irqsave(
+ pinstance->host->host_lock, lock_flags);
+ pinstance->reset_cmd->cmd_done(pinstance->reset_cmd);
+ spin_unlock_irqrestore(
+ pinstance->host->host_lock, lock_flags);
+ }
+}
+
/**
* pmcraid_reset_type - Determine the required reset type
* @pinstance: pointer to adapter instance structure
* pmcraid_bist_done - completion function for PCI BIST
* @cmd: pointer to reset command
* Return Value
- * none
+ * none
*/
static void pmcraid_ioa_reset(struct pmcraid_cmd *);
/* If PCI config space can't be accessed wait for another two secs */
if ((rc != PCIBIOS_SUCCESSFUL || (!(pci_reg & PCI_COMMAND_MEMORY))) &&
- cmd->u.time_left > 0) {
+ cmd->time_left > 0) {
pmcraid_info("BIST not complete, waiting another 2 secs\n");
- cmd->timer.expires = jiffies + cmd->u.time_left;
- cmd->u.time_left = 0;
+ cmd->timer.expires = jiffies + cmd->time_left;
+ cmd->time_left = 0;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.function =
(void (*)(unsigned long))pmcraid_bist_done;
add_timer(&cmd->timer);
} else {
- cmd->u.time_left = 0;
+ cmd->time_left = 0;
pmcraid_info("BIST is complete, proceeding with reset\n");
spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
pmcraid_ioa_reset(cmd);
pinstance->int_regs.host_ioa_interrupt_reg);
doorbells = ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
- pmcraid_info("doorbells after start bist: %x intrs: %x \n",
+ pmcraid_info("doorbells after start bist: %x intrs: %x\n",
doorbells, intrs);
- cmd->u.time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
+ cmd->time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT);
cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done;
* some more time to wait, restart the timer
*/
if (((status & INTRS_CRITICAL_OP_IN_PROGRESS) == 0) ||
- cmd->u.time_left <= 0) {
+ cmd->time_left <= 0) {
pmcraid_info("critical op is reset proceeding with reset\n");
spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
pmcraid_ioa_reset(cmd);
} else {
pmcraid_info("critical op is not yet reset waiting again\n");
/* restart timer if some more time is available to wait */
- cmd->u.time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT;
+ cmd->time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.function =
* successfully written to IOA. Returns non-zero in case pci_config_space
* is not accessible
*/
+static void pmcraid_notify_ioastate(struct pmcraid_instance *, u32);
static void pmcraid_reset_alert(struct pmcraid_cmd *cmd)
{
struct pmcraid_instance *pinstance = cmd->drv_inst;
* OPERATION bit is reset. A timer is started to wait for this
* bit to be reset.
*/
- cmd->u.time_left = PMCRAID_RESET_TIMEOUT;
+ cmd->time_left = PMCRAID_RESET_TIMEOUT;
cmd->timer.data = (unsigned long)cmd;
cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT;
cmd->timer.function =
unsigned long lock_flags;
dev_info(&pinstance->pdev->dev,
- "Adapter being reset due to command timeout.\n");
+ "Adapter being reset due to cmd(CDB[0] = %x) timeout\n",
+ cmd->ioa_cb->ioarcb.cdb[0]);
/* Command timeouts result in hard reset sequence. The command that got
* timed out may be the one used as part of reset sequence. In this
*/
if (cmd == pinstance->reset_cmd)
cmd->cmd_done = pmcraid_ioa_reset;
-
}
+ /* Notify apps of important IOA bringup/bringdown sequences */
+ if (pinstance->scn.ioa_state != PMC_DEVICE_EVENT_RESET_START &&
+ pinstance->scn.ioa_state != PMC_DEVICE_EVENT_SHUTDOWN_START)
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_RESET_START);
+
pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
scsi_block_requests(pinstance->host);
pmcraid_reset_alert(cmd);
/* Add this command block to pending cmd pool. We do this prior to
* writting IOARCB to ioarrin because IOA might complete the command
* by the time we are about to add it to the list. Response handler
- * (isr/tasklet) looks for cmb block in the pending pending list.
+ * (isr/tasklet) looks for cmd block in the pending pending list.
*/
spin_lock_irqsave(&pinstance->pending_pool_lock, lock_flags);
list_add_tail(&cmd->free_list, &pinstance->pending_cmd_pool);
_pmcraid_fire_command(cmd);
}
+/**
+ * pmcraid_ioa_shutdown_done - completion function for IOA shutdown command
+ * @cmd: pointer to the command block used for sending IOA shutdown command
+ *
+ * Return value
+ * None
+ */
+static void pmcraid_ioa_shutdown_done(struct pmcraid_cmd *cmd)
+{
+ struct pmcraid_instance *pinstance = cmd->drv_inst;
+ unsigned long lock_flags;
+
+ spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
+ pmcraid_ioa_reset(cmd);
+ spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+}
+
/**
* pmcraid_ioa_shutdown - sends SHUTDOWN command to ioa
*
pmcraid_info("firing normal shutdown command (%d) to IOA\n",
le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle));
- pmcraid_send_cmd(cmd, pmcraid_ioa_reset,
+ pmcraid_notify_ioastate(cmd->drv_inst, PMC_DEVICE_EVENT_SHUTDOWN_START);
+
+ pmcraid_send_cmd(cmd, pmcraid_ioa_shutdown_done,
PMCRAID_SHUTDOWN_TIMEOUT,
pmcraid_timeout_handler);
}
/**
- * pmcraid_identify_hrrq - registers host rrq buffers with IOA
- * @cmd: pointer to command block to be used for identify hrrq
+ * pmcraid_get_fwversion_done - completion function for get_fwversion
+ *
+ * @cmd: pointer to command block used to send INQUIRY command
*
* Return Value
- * 0 in case of success, otherwise non-zero failure code
+ * none
*/
-
static void pmcraid_querycfg(struct pmcraid_cmd *);
+static void pmcraid_get_fwversion_done(struct pmcraid_cmd *cmd)
+{
+ struct pmcraid_instance *pinstance = cmd->drv_inst;
+ u32 ioasc = le32_to_cpu(cmd->ioa_cb->ioasa.ioasc);
+ unsigned long lock_flags;
+
+ /* configuration table entry size depends on firmware version. If fw
+ * version is not known, it is not possible to interpret IOA config
+ * table
+ */
+ if (ioasc) {
+ pmcraid_err("IOA Inquiry failed with %x\n", ioasc);
+ spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
+ pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
+ pmcraid_reset_alert(cmd);
+ spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+ } else {
+ pmcraid_querycfg(cmd);
+ }
+}
+
+/**
+ * pmcraid_get_fwversion - reads firmware version information
+ *
+ * @cmd: pointer to command block used to send INQUIRY command
+ *
+ * Return Value
+ * none
+ */
+static void pmcraid_get_fwversion(struct pmcraid_cmd *cmd)
+{
+ struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
+ struct pmcraid_ioadl_desc *ioadl = ioarcb->add_data.u.ioadl;
+ struct pmcraid_instance *pinstance = cmd->drv_inst;
+ u16 data_size = sizeof(struct pmcraid_inquiry_data);
+
+ pmcraid_reinit_cmdblk(cmd);
+ ioarcb->request_type = REQ_TYPE_SCSI;
+ ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
+ ioarcb->cdb[0] = INQUIRY;
+ ioarcb->cdb[1] = 1;
+ ioarcb->cdb[2] = 0xD0;
+ ioarcb->cdb[3] = (data_size >> 8) & 0xFF;
+ ioarcb->cdb[4] = data_size & 0xFF;
+
+ /* Since entire inquiry data it can be part of IOARCB itself
+ */
+ ioarcb->ioadl_bus_addr = cpu_to_le64((cmd->ioa_cb_bus_addr) +
+ offsetof(struct pmcraid_ioarcb,
+ add_data.u.ioadl[0]));
+ ioarcb->ioadl_length = cpu_to_le32(sizeof(struct pmcraid_ioadl_desc));
+ ioarcb->ioarcb_bus_addr &= ~(0x1FULL);
+
+ ioarcb->request_flags0 |= NO_LINK_DESCS;
+ ioarcb->data_transfer_length = cpu_to_le32(data_size);
+ ioadl = &(ioarcb->add_data.u.ioadl[0]);
+ ioadl->flags = IOADL_FLAGS_LAST_DESC;
+ ioadl->address = cpu_to_le64(pinstance->inq_data_baddr);
+ ioadl->data_len = cpu_to_le32(data_size);
+
+ pmcraid_send_cmd(cmd, pmcraid_get_fwversion_done,
+ PMCRAID_INTERNAL_TIMEOUT, pmcraid_timeout_handler);
+}
+
+/**
+ * pmcraid_identify_hrrq - registers host rrq buffers with IOA
+ * @cmd: pointer to command block to be used for identify hrrq
+ *
+ * Return Value
+ * none
+ */
static void pmcraid_identify_hrrq(struct pmcraid_cmd *cmd)
{
struct pmcraid_instance *pinstance = cmd->drv_inst;
struct pmcraid_ioarcb *ioarcb = &cmd->ioa_cb->ioarcb;
- int index = 0;
+ int index = cmd->hrrq_index;
__be64 hrrq_addr = cpu_to_be64(pinstance->hrrq_start_bus_addr[index]);
u32 hrrq_size = cpu_to_be32(sizeof(u32) * PMCRAID_MAX_CMD);
+ void (*done_function)(struct pmcraid_cmd *);
pmcraid_reinit_cmdblk(cmd);
+ cmd->hrrq_index = index + 1;
+
+ if (cmd->hrrq_index < pinstance->num_hrrq) {
+ done_function = pmcraid_identify_hrrq;
+ } else {
+ cmd->hrrq_index = 0;
+ done_function = pmcraid_get_fwversion;
+ }
/* Initialize ioarcb */
ioarcb->request_type = REQ_TYPE_IOACMD;
/* IOA expects 64-bit pci address to be written in B.E format
* (i.e cdb[2]=MSByte..cdb[9]=LSB.
*/
- pmcraid_info("HRRQ_IDENTIFY with hrrq:ioarcb => %llx:%llx\n",
- hrrq_addr, ioarcb->ioarcb_bus_addr);
+ pmcraid_info("HRRQ_IDENTIFY with hrrq:ioarcb:index => %llx:%llx:%x\n",
+ hrrq_addr, ioarcb->ioarcb_bus_addr, index);
memcpy(&(ioarcb->cdb[2]), &hrrq_addr, sizeof(hrrq_addr));
memcpy(&(ioarcb->cdb[10]), &hrrq_size, sizeof(hrrq_size));
* Note that this gets called even during reset from SCSI mid-layer
* or tasklet
*/
- pmcraid_send_cmd(cmd, pmcraid_querycfg,
+ pmcraid_send_cmd(cmd, done_function,
PMCRAID_INTERNAL_TIMEOUT,
pmcraid_timeout_handler);
}
}
if (type == PMCRAID_HCAM_CODE_CONFIG_CHANGE) {
- rcb_size = sizeof(struct pmcraid_hcam_ccn);
+ rcb_size = sizeof(struct pmcraid_hcam_ccn_ext);
cmd_done = pmcraid_process_ccn;
dma = pinstance->ccn.baddr + PMCRAID_AEN_HDR_SIZE;
hcam = &pinstance->ccn;
* This function will send a Host Controlled Async command to IOA.
*
* Return value:
- * none
+ * none
*/
static void pmcraid_send_hcam(struct pmcraid_instance *pinstance, u8 type)
{
/**
* pmcraid_expose_resource - check if the resource can be exposed to OS
*
+ * @fw_version: firmware version code
* @cfgte: pointer to configuration table entry of the resource
*
* Return value:
- * true if resource can be added to midlayer, false(0) otherwise
+ * true if resource can be added to midlayer, false(0) otherwise
*/
-static int pmcraid_expose_resource(struct pmcraid_config_table_entry *cfgte)
+static int pmcraid_expose_resource(u16 fw_version,
+ struct pmcraid_config_table_entry *cfgte)
{
int retval = 0;
- if (cfgte->resource_type == RES_TYPE_VSET)
- retval = ((cfgte->unique_flags1 & 0x80) == 0);
- else if (cfgte->resource_type == RES_TYPE_GSCSI)
+ if (cfgte->resource_type == RES_TYPE_VSET) {
+ if (fw_version <= PMCRAID_FW_VERSION_1)
+ retval = ((cfgte->unique_flags1 & 0x80) == 0);
+ else
+ retval = ((cfgte->unique_flags0 & 0x80) == 0 &&
+ (cfgte->unique_flags1 & 0x80) == 0);
+
+ } else if (cfgte->resource_type == RES_TYPE_GSCSI)
retval = (RES_BUS(cfgte->resource_address) !=
PMCRAID_VIRTUAL_ENCL_BUS_ID);
return retval;
* pmcraid_netlink_init - registers pmcraid_event_family
*
* Return value:
- * 0 if the pmcraid_event_family is successfully registered
- * with netlink generic, non-zero otherwise
+ * 0 if the pmcraid_event_family is successfully registered
+ * with netlink generic, non-zero otherwise
*/
static int pmcraid_netlink_init(void)
{
* pmcraid_netlink_release - unregisters pmcraid_event_family
*
* Return value:
- * none
+ * none
*/
static void pmcraid_netlink_release(void)
{
* Return value:
* 0 if success, error value in case of any failure.
*/
-static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type)
+static int pmcraid_notify_aen(
+ struct pmcraid_instance *pinstance,
+ struct pmcraid_aen_msg *aen_msg,
+ u32 data_size
+)
{
struct sk_buff *skb;
- struct pmcraid_aen_msg *aen_msg;
void *msg_header;
- int data_size, total_size;
+ u32 total_size, nla_genl_hdr_total_size;
int result;
-
- if (type == PMCRAID_HCAM_CODE_LOG_DATA) {
- aen_msg = pinstance->ldn.msg;
- data_size = pinstance->ldn.hcam->data_len;
- } else {
- aen_msg = pinstance->ccn.msg;
- data_size = pinstance->ccn.hcam->data_len;
- }
-
- data_size += sizeof(struct pmcraid_hcam_hdr);
aen_msg->hostno = (pinstance->host->unique_id << 16 |
MINOR(pinstance->cdev.dev));
aen_msg->length = data_size;
+
data_size += sizeof(*aen_msg);
total_size = nla_total_size(data_size);
- skb = genlmsg_new(total_size, GFP_ATOMIC);
+ /* Add GENL_HDR to total_size */
+ nla_genl_hdr_total_size =
+ (total_size + (GENL_HDRLEN +
+ ((struct genl_family *)&pmcraid_event_family)->hdrsize)
+ + NLMSG_HDRLEN);
+ skb = genlmsg_new(nla_genl_hdr_total_size, GFP_ATOMIC);
if (!skb) {
result = nla_put(skb, PMCRAID_AEN_ATTR_EVENT, data_size, aen_msg);
if (result) {
- pmcraid_err("failed to copy AEN attribute data \n");
+ pmcraid_err("failed to copy AEN attribute data\n");
nlmsg_free(skb);
return -EINVAL;
}
* value.
*/
if (result)
- pmcraid_info("failed to send %s event message %x!\n",
- type == PMCRAID_HCAM_CODE_LOG_DATA ? "LDN" : "CCN",
- result);
+ pmcraid_info("error (%x) sending aen event message\n", result);
return result;
}
+/**
+ * pmcraid_notify_ccn - notifies about CCN event msg to user space
+ * @pinstance: pointer adapter instance structure
+ *
+ * Return value:
+ * 0 if success, error value in case of any failure
+ */
+static int pmcraid_notify_ccn(struct pmcraid_instance *pinstance)
+{
+ return pmcraid_notify_aen(pinstance,
+ pinstance->ccn.msg,
+ pinstance->ccn.hcam->data_len +
+ sizeof(struct pmcraid_hcam_hdr));
+}
+
+/**
+ * pmcraid_notify_ldn - notifies about CCN event msg to user space
+ * @pinstance: pointer adapter instance structure
+ *
+ * Return value:
+ * 0 if success, error value in case of any failure
+ */
+static int pmcraid_notify_ldn(struct pmcraid_instance *pinstance)
+{
+ return pmcraid_notify_aen(pinstance,
+ pinstance->ldn.msg,
+ pinstance->ldn.hcam->data_len +
+ sizeof(struct pmcraid_hcam_hdr));
+}
+
+/**
+ * pmcraid_notify_ioastate - sends IOA state event msg to user space
+ * @pinstance: pointer adapter instance structure
+ * @evt: controller state event to be sent
+ *
+ * Return value:
+ * 0 if success, error value in case of any failure
+ */
+static void pmcraid_notify_ioastate(struct pmcraid_instance *pinstance, u32 evt)
+{
+ pinstance->scn.ioa_state = evt;
+ pmcraid_notify_aen(pinstance,
+ &pinstance->scn.msg,
+ sizeof(u32));
+}
+
/**
* pmcraid_handle_config_change - Handle a config change from the adapter
* @pinstance: pointer to per adapter instance structure
unsigned long host_lock_flags;
u32 new_entry = 1;
u32 hidden_entry = 0;
+ u16 fw_version;
int rc;
ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam;
cfg_entry = &ccn_hcam->cfg_entry;
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
pmcraid_info
("CCN(%x): %x type: %x lost: %x flags: %x res: %x:%x:%x:%x\n",
RES_IS_VSET(*cfg_entry) ? PMCRAID_VSET_BUS_ID :
(RES_IS_GSCSI(*cfg_entry) ? PMCRAID_PHYS_BUS_ID :
RES_BUS(cfg_entry->resource_address)),
- RES_IS_VSET(*cfg_entry) ? cfg_entry->unique_flags1 :
+ RES_IS_VSET(*cfg_entry) ?
+ (fw_version <= PMCRAID_FW_VERSION_1 ?
+ cfg_entry->unique_flags1 :
+ cfg_entry->array_id & 0xFF) :
RES_TARGET(cfg_entry->resource_address),
RES_LUN(cfg_entry->resource_address));
*/
if (pinstance->ccn.hcam->notification_type ==
NOTIFICATION_TYPE_ENTRY_CHANGED &&
- cfg_entry->resource_type == RES_TYPE_VSET &&
- cfg_entry->unique_flags1 & 0x80) {
- hidden_entry = 1;
- } else if (!pmcraid_expose_resource(cfg_entry))
+ cfg_entry->resource_type == RES_TYPE_VSET) {
+
+ if (fw_version <= PMCRAID_FW_VERSION_1)
+ hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
+ else
+ hidden_entry = (cfg_entry->unique_flags1 & 0x80) != 0;
+
+ } else if (!pmcraid_expose_resource(fw_version, cfg_entry)) {
goto out_notify_apps;
+ }
spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
list_for_each_entry(res, &pinstance->used_res_q, queue) {
list_add_tail(&res->queue, &pinstance->used_res_q);
}
- memcpy(&res->cfg_entry, cfg_entry,
- sizeof(struct pmcraid_config_table_entry));
+ memcpy(&res->cfg_entry, cfg_entry, pinstance->config_table_entry_size);
if (pinstance->ccn.hcam->notification_type ==
NOTIFICATION_TYPE_ENTRY_DELETED || hidden_entry) {
if (res->scsi_dev) {
- res->cfg_entry.unique_flags1 &= 0x7F;
+ if (fw_version <= PMCRAID_FW_VERSION_1)
+ res->cfg_entry.unique_flags1 &= 0x7F;
+ else
+ res->cfg_entry.array_id &= 0xFF;
res->change_detected = RES_CHANGE_DEL;
res->cfg_entry.resource_handle =
PMCRAID_INVALID_RES_HANDLE;
/* Notify configuration changes to registered applications.*/
if (!pmcraid_disable_aen)
- pmcraid_notify_aen(pinstance, PMCRAID_HCAM_CODE_CONFIG_CHANGE);
+ pmcraid_notify_ccn(pinstance);
cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_CONFIG_CHANGE);
if (cmd)
return;
/* log the error string */
- pmcraid_err("cmd [%d] for resource %x failed with %x(%s)\n",
+ pmcraid_err("cmd [%x] for resource %x failed with %x(%s)\n",
cmd->ioa_cb->ioarcb.cdb[0],
cmd->ioa_cb->ioarcb.resource_handle,
le32_to_cpu(ioasc), error_info->error_string);
}
/* send netlink message for HCAM notification if enabled */
if (!pmcraid_disable_aen)
- pmcraid_notify_aen(pinstance, PMCRAID_HCAM_CODE_LOG_DATA);
+ pmcraid_notify_ldn(pinstance);
cmd = pmcraid_init_hcam(pinstance, PMCRAID_HCAM_CODE_LOG_DATA);
if (cmd)
atomic_set(&pinstance->ldn.ignore, 1);
/* If adapter reset was forced as part of runtime reset sequence,
- * start the reset sequence.
+ * start the reset sequence. Reset will be triggered even in case
+ * IOA unit_check.
*/
- if (pinstance->force_ioa_reset && !pinstance->ioa_bringdown) {
+ if ((pinstance->force_ioa_reset && !pinstance->ioa_bringdown) ||
+ pinstance->ioa_unit_check) {
pinstance->force_ioa_reset = 0;
+ pinstance->ioa_unit_check = 0;
pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
pmcraid_reset_alert(cmd);
return;
pmcraid_enable_interrupts(pinstance, PMCRAID_PCI_INTERRUPTS);
if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
- iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
- pinstance->int_regs.ioa_host_interrupt_mask_reg);
- iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
- pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ if (!pinstance->interrupt_mode) {
+ iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
+ pinstance->int_regs.
+ ioa_host_interrupt_mask_reg);
+ iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
+ pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ }
return 1;
} else {
return 0;
doorbell = DOORBELL_RUNTIME_RESET |
DOORBELL_ENABLE_DESTRUCTIVE_DIAGS;
+ /* Since we do RESET_ALERT and Start BIST we have to again write
+ * MSIX Doorbell to indicate the interrupt mode
+ */
+ if (pinstance->interrupt_mode) {
+ iowrite32(DOORBELL_INTR_MODE_MSIX,
+ pinstance->int_regs.host_ioa_interrupt_reg);
+ ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
+ }
+
iowrite32(doorbell, pinstance->int_regs.host_ioa_interrupt_reg);
+ ioread32(pinstance->int_regs.host_ioa_interrupt_reg),
int_reg = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
+
pmcraid_info("Waiting for IOA to become operational %x:%x\n",
ioread32(pinstance->int_regs.host_ioa_interrupt_reg),
int_reg);
} else if (cmd->cmd_done == pmcraid_internal_done ||
cmd->cmd_done == pmcraid_erp_done) {
cmd->cmd_done(cmd);
- } else if (cmd->cmd_done != pmcraid_ioa_reset) {
+ } else if (cmd->cmd_done != pmcraid_ioa_reset &&
+ cmd->cmd_done != pmcraid_ioa_shutdown_done) {
pmcraid_return_cmd(cmd);
}
pinstance->ioa_reset_attempts = 0;
pmcraid_err("IOA didn't respond marking it as dead\n");
pinstance->ioa_state = IOA_STATE_DEAD;
+
+ if (pinstance->ioa_bringdown)
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_SHUTDOWN_FAILED);
+ else
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_RESET_FAILED);
reset_complete = 1;
break;
}
/* Once either bist or pci reset is done, restore PCI config
* space. If this fails, proceed with hard reset again
*/
-
if (pci_restore_state(pinstance->pdev)) {
pmcraid_info("config-space error resetting again\n");
pinstance->ioa_state = IOA_STATE_IN_RESET_ALERT;
pinstance->ioa_shutdown_type = SHUTDOWN_NONE;
pinstance->ioa_bringdown = 0;
pinstance->ioa_state = IOA_STATE_UNKNOWN;
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_SHUTDOWN_SUCCESS);
reset_complete = 1;
} else {
/* bring-up IOA, so proceed with soft reset
*/
if (pinstance->ioa_shutdown_type == SHUTDOWN_NONE &&
pinstance->force_ioa_reset == 0) {
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_RESET_SUCCESS);
reset_complete = 1;
} else {
if (pinstance->ioa_shutdown_type != SHUTDOWN_NONE)
pinstance->ioa_shutdown_type = SHUTDOWN_NONE;
pinstance->reset_cmd = cmd;
pinstance->force_ioa_reset = 1;
+ pmcraid_notify_ioastate(pinstance,
+ PMC_DEVICE_EVENT_RESET_START);
pmcraid_ioa_reset(cmd);
}
}
wait_event(pinstance->reset_wait_q,
!pinstance->ioa_reset_in_progress);
- pmcraid_info("reset_reload: reset is complete !! \n");
+ pmcraid_info("reset_reload: reset is complete !!\n");
scsi_unblock_requests(pinstance->host);
if (pinstance->ioa_state == target_state)
reset = 0;
*/
static int pmcraid_reset_bringup(struct pmcraid_instance *pinstance)
{
+ pmcraid_notify_ioastate(pinstance, PMC_DEVICE_EVENT_RESET_START);
+
return pmcraid_reset_reload(pinstance,
SHUTDOWN_NONE,
IOA_STATE_OPERATIONAL);
pmcraid_info("command (%d) CDB[0] = %x for %x\n",
le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.response_handle) >> 2,
- cmd->ioa_cb->ioarcb.cdb[0],
+ cancel_cmd->ioa_cb->ioarcb.cdb[0],
le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.resource_handle));
pmcraid_send_cmd(cancel_cmd,
u32 ioasc;
wait_for_completion(&cancel_cmd->wait_for_completion);
- res = cancel_cmd->u.res;
- cancel_cmd->u.res = NULL;
+ res = cancel_cmd->res;
+ cancel_cmd->res = NULL;
ioasc = le32_to_cpu(cancel_cmd->ioa_cb->ioasa.ioasc);
/* If the abort task is not timed out we will get a Good completion
host_lock_flags);
if (cancel_cmd) {
- cancel_cmd->u.res = cmd->scsi_cmd->device->hostdata;
+ cancel_cmd->res = cmd->scsi_cmd->device->hostdata;
rc = pmcraid_abort_complete(cancel_cmd);
}
* takes care by locking/unlocking host_lock.
*
* Return value
- * SUCCESS or FAILED
+ * SUCCESS or FAILED
*/
static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd)
{
* Initiates adapter reset to bring it up to operational state
*
* Return value
- * SUCCESS or FAILED
+ * SUCCESS or FAILED
*/
static int pmcraid_eh_host_reset_handler(struct scsi_cmnd *scmd)
{
* to firmware. This builds ioadl descriptors and sets up ioarcb fields.
*
* Return value:
- * 0 on success or -1 on failure
+ * 0 on success or -1 on failure
*/
static int pmcraid_build_ioadl(
struct pmcraid_instance *pinstance,
* Free a DMA'able memory previously allocated with pmcraid_alloc_sglist
*
* Return value:
- * none
+ * none
*/
static void pmcraid_free_sglist(struct pmcraid_sglist *sglist)
{
* list.
*
* Return value
- * pointer to sglist / NULL on failure
+ * pointer to sglist / NULL on failure
*/
static struct pmcraid_sglist *pmcraid_alloc_sglist(int buflen)
{
struct pmcraid_resource_entry *res;
struct pmcraid_ioarcb *ioarcb;
struct pmcraid_cmd *cmd;
+ u32 fw_version;
int rc = 0;
pinstance =
(struct pmcraid_instance *)scsi_cmd->device->host->hostdata;
-
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
scsi_cmd->scsi_done = done;
res = scsi_cmd->device->hostdata;
scsi_cmd->result = (DID_OK << 16);
if (pinstance->ioa_reset_in_progress)
return SCSI_MLQUEUE_HOST_BUSY;
+ /* Firmware doesn't support SYNCHRONIZE_CACHE command (0x35), complete
+ * the command here itself with success return
+ */
+ if (scsi_cmd->cmnd[0] == SYNCHRONIZE_CACHE) {
+ pmcraid_info("SYNC_CACHE(0x35), completing in driver itself\n");
+ scsi_cmd->scsi_done(scsi_cmd);
+ return 0;
+ }
+
/* initialize the command and IOARCB to be sent to IOA */
cmd = pmcraid_get_free_cmd(pinstance);
ioarcb->resource_handle = res->cfg_entry.resource_handle;
ioarcb->request_type = REQ_TYPE_SCSI;
+ /* set hrrq number where the IOA should respond to. Note that all cmds
+ * generated internally uses hrrq_id 0, exception to this is the cmd
+ * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
+ * hrrq_id assigned here in queuecommand
+ */
+ ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
+ pinstance->num_hrrq;
cmd->cmd_done = pmcraid_io_done;
if (RES_IS_GSCSI(res->cfg_entry) || RES_IS_VSET(res->cfg_entry)) {
RES_IS_VSET(res->cfg_entry) ? PMCRAID_VSET_BUS_ID :
PMCRAID_PHYS_BUS_ID,
RES_IS_VSET(res->cfg_entry) ?
- res->cfg_entry.unique_flags1 :
+ (fw_version <= PMCRAID_FW_VERSION_1 ?
+ res->cfg_entry.unique_flags1 :
+ res->cfg_entry.array_id & 0xFF) :
RES_TARGET(res->cfg_entry.resource_address),
RES_LUN(res->cfg_entry.resource_address));
*/
static int pmcraid_chr_release(struct inode *inode, struct file *filep)
{
- struct pmcraid_instance *pinstance =
- ((struct pmcraid_instance *)filep->private_data);
+ struct pmcraid_instance *pinstance = filep->private_data;
filep->private_data = NULL;
fasync_helper(-1, filep, 0, &pinstance->aen_queue);
struct pmcraid_instance *pinstance;
int rc;
- pinstance = (struct pmcraid_instance *)filep->private_data;
+ pinstance = filep->private_data;
mutex_lock(&pinstance->aen_queue_lock);
rc = fasync_helper(fd, filep, mode, &pinstance->aen_queue);
mutex_unlock(&pinstance->aen_queue_lock);
unsigned long request_buffer;
unsigned long request_offset;
unsigned long lock_flags;
+ u32 ioasc;
int request_size;
int buffer_size;
u8 access, direction;
buffer->ioarcb.add_cmd_param_length);
}
+ /* set hrrq number where the IOA should respond to. Note that all cmds
+ * generated internally uses hrrq_id 0, exception to this is the cmd
+ * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses
+ * hrrq_id assigned here in queuecommand
+ */
+ ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) %
+ pinstance->num_hrrq;
+
if (request_size) {
rc = pmcraid_build_passthrough_ioadls(cmd,
request_size,
_pmcraid_fire_command(cmd);
spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+ /* NOTE ! Remove the below line once abort_task is implemented
+ * in firmware. This line disables ioctl command timeout handling logic
+ * similar to IO command timeout handling, making ioctl commands to wait
+ * until the command completion regardless of timeout value specified in
+ * ioarcb
+ */
+ buffer->ioarcb.cmd_timeout = 0;
+
/* If command timeout is specified put caller to wait till that time,
* otherwise it would be blocking wait. If command gets timed out, it
* will be aborted.
le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle >> 2),
cmd->ioa_cb->ioarcb.cdb[0]);
- rc = -ETIMEDOUT;
spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
cancel_cmd = pmcraid_abort_cmd(cmd);
spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
if (cancel_cmd) {
wait_for_completion(&cancel_cmd->wait_for_completion);
+ ioasc = cancel_cmd->ioa_cb->ioasa.ioasc;
pmcraid_return_cmd(cancel_cmd);
+
+ /* if abort task couldn't find the command i.e it got
+ * completed prior to aborting, return good completion.
+ * if command got aborted succesfully or there was IOA
+ * reset due to abort task itself getting timedout then
+ * return -ETIMEDOUT
+ */
+ if (ioasc == PMCRAID_IOASC_IOA_WAS_RESET ||
+ PMCRAID_IOASC_SENSE_KEY(ioasc) == 0x00) {
+ if (ioasc != PMCRAID_IOASC_GC_IOARCB_NOTFOUND)
+ rc = -ETIMEDOUT;
+ goto out_handle_response;
+ }
}
- goto out_free_sglist;
+ /* no command block for abort task or abort task failed to abort
+ * the IOARCB, then wait for 150 more seconds and initiate reset
+ * sequence after timeout
+ */
+ if (!wait_for_completion_timeout(
+ &cmd->wait_for_completion,
+ msecs_to_jiffies(150 * 1000))) {
+ pmcraid_reset_bringup(cmd->drv_inst);
+ rc = -ETIMEDOUT;
+ }
}
+out_handle_response:
/* If the command failed for any reason, copy entire IOASA buffer and
* return IOCTL success. If copying IOASA to user-buffer fails, return
* EFAULT
*/
- if (le32_to_cpu(cmd->ioa_cb->ioasa.ioasc)) {
-
+ if (PMCRAID_IOASC_SENSE_KEY(le32_to_cpu(cmd->ioa_cb->ioasa.ioasc))) {
void *ioasa =
(void *)(arg +
offsetof(struct pmcraid_passthrough_ioctl_buffer, ioasa));
rc = -EFAULT;
}
}
+
/* If the data transfer was from device, copy the data onto user
* buffers
*/
int rc = -ENOSYS;
if (!access_ok(VERIFY_READ, user_buffer, _IOC_SIZE(cmd))) {
- pmcraid_err("ioctl_driver: access fault in request buffer \n");
+ pmcraid_err("ioctl_driver: access fault in request buffer\n");
return -EFAULT;
}
return retval;
}
- pinstance = (struct pmcraid_instance *)filep->private_data;
+ pinstance = filep->private_data;
if (!pinstance) {
pmcraid_info("adapter instance is not found\n");
.proc_name = PMCRAID_DRIVER_NAME
};
-/**
- * pmcraid_isr_common - Common interrupt handler routine
- *
- * @pinstance: pointer to adapter instance
- * @intrs: active interrupts (contents of ioa_host_interrupt register)
- * @hrrq_id: Host RRQ index
+/*
+ * pmcraid_isr_msix - implements MSI-X interrupt handling routine
+ * @irq: interrupt vector number
+ * @dev_id: pointer hrrq_vector
*
* Return Value
- * none
+ * IRQ_HANDLED if interrupt is handled or IRQ_NONE if ignored
*/
-static void pmcraid_isr_common(
- struct pmcraid_instance *pinstance,
- u32 intrs,
- int hrrq_id
-)
+
+static irqreturn_t pmcraid_isr_msix(int irq, void *dev_id)
{
- u32 intrs_clear =
- (intrs & INTRS_CRITICAL_OP_IN_PROGRESS) ? intrs
- : INTRS_HRRQ_VALID;
- iowrite32(intrs_clear,
- pinstance->int_regs.ioa_host_interrupt_clr_reg);
- intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
+ struct pmcraid_isr_param *hrrq_vector;
+ struct pmcraid_instance *pinstance;
+ unsigned long lock_flags;
+ u32 intrs_val;
+ int hrrq_id;
+
+ hrrq_vector = (struct pmcraid_isr_param *)dev_id;
+ hrrq_id = hrrq_vector->hrrq_id;
+ pinstance = hrrq_vector->drv_inst;
+
+ if (!hrrq_id) {
+ /* Read the interrupt */
+ intrs_val = pmcraid_read_interrupts(pinstance);
+ if (intrs_val &&
+ ((ioread32(pinstance->int_regs.host_ioa_interrupt_reg)
+ & DOORBELL_INTR_MSIX_CLR) == 0)) {
+ /* Any error interrupts including unit_check,
+ * initiate IOA reset.In case of unit check indicate
+ * to reset_sequence that IOA unit checked and prepare
+ * for a dump during reset sequence
+ */
+ if (intrs_val & PMCRAID_ERROR_INTERRUPTS) {
+ if (intrs_val & INTRS_IOA_UNIT_CHECK)
+ pinstance->ioa_unit_check = 1;
+
+ pmcraid_err("ISR: error interrupts: %x \
+ initiating reset\n", intrs_val);
+ spin_lock_irqsave(pinstance->host->host_lock,
+ lock_flags);
+ pmcraid_initiate_reset(pinstance);
+ spin_unlock_irqrestore(
+ pinstance->host->host_lock,
+ lock_flags);
+ }
+ /* If interrupt was as part of the ioa initialization,
+ * clear it. Delete the timer and wakeup the
+ * reset engine to proceed with reset sequence
+ */
+ if (intrs_val & INTRS_TRANSITION_TO_OPERATIONAL)
+ pmcraid_clr_trans_op(pinstance);
+
+ /* Clear the interrupt register by writing
+ * to host to ioa doorbell. Once done
+ * FW will clear the interrupt.
+ */
+ iowrite32(DOORBELL_INTR_MSIX_CLR,
+ pinstance->int_regs.host_ioa_interrupt_reg);
+ ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
+
- /* hrrq valid bit was set, schedule tasklet to handle the response */
- if (intrs_clear == INTRS_HRRQ_VALID)
- tasklet_schedule(&(pinstance->isr_tasklet[hrrq_id]));
+ }
+ }
+
+ tasklet_schedule(&(pinstance->isr_tasklet[hrrq_id]));
+
+ return IRQ_HANDLED;
}
/**
- * pmcraid_isr - implements interrupt handling routine
+ * pmcraid_isr - implements legacy interrupt handling routine
*
* @irq: interrupt vector number
* @dev_id: pointer hrrq_vector
{
struct pmcraid_isr_param *hrrq_vector;
struct pmcraid_instance *pinstance;
- unsigned long lock_flags;
u32 intrs;
+ unsigned long lock_flags;
+ int hrrq_id = 0;
/* In case of legacy interrupt mode where interrupts are shared across
* isrs, it may be possible that the current interrupt is not from IOA
printk(KERN_INFO "%s(): NULL host pointer\n", __func__);
return IRQ_NONE;
}
-
hrrq_vector = (struct pmcraid_isr_param *)dev_id;
pinstance = hrrq_vector->drv_inst;
- /* Acquire the lock (currently host_lock) while processing interrupts.
- * This interval is small as most of the response processing is done by
- * tasklet without the lock.
- */
- spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
intrs = pmcraid_read_interrupts(pinstance);
- if (unlikely((intrs & PMCRAID_PCI_INTERRUPTS) == 0)) {
- spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+ if (unlikely((intrs & PMCRAID_PCI_INTERRUPTS) == 0))
return IRQ_NONE;
- }
/* Any error interrupts including unit_check, initiate IOA reset.
* In case of unit check indicate to reset_sequence that IOA unit
pinstance->int_regs.ioa_host_interrupt_clr_reg);
pmcraid_err("ISR: error interrupts: %x initiating reset\n",
intrs);
- intrs = ioread32(pinstance->int_regs.ioa_host_interrupt_reg);
+ intrs = ioread32(
+ pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ spin_lock_irqsave(pinstance->host->host_lock, lock_flags);
pmcraid_initiate_reset(pinstance);
+ spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
} else {
- pmcraid_isr_common(pinstance, intrs, hrrq_vector->hrrq_id);
- }
+ /* If interrupt was as part of the ioa initialization,
+ * clear. Delete the timer and wakeup the
+ * reset engine to proceed with reset sequence
+ */
+ if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
+ pmcraid_clr_trans_op(pinstance);
+ } else {
+ iowrite32(intrs,
+ pinstance->int_regs.ioa_host_interrupt_clr_reg);
+ ioread32(
+ pinstance->int_regs.ioa_host_interrupt_clr_reg);
- spin_unlock_irqrestore(pinstance->host->host_lock, lock_flags);
+ tasklet_schedule(
+ &(pinstance->isr_tasklet[hrrq_id]));
+ }
+ }
return IRQ_HANDLED;
}
struct scsi_device *sdev;
unsigned long lock_flags;
unsigned long host_lock_flags;
+ u16 fw_version;
u8 bus, target, lun;
pinstance = container_of(workp, struct pmcraid_instance, worker_q);
if (!atomic_read(&pinstance->expose_resources))
return;
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
+
spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
list_for_each_entry_safe(res, temp, &pinstance->used_res_q, queue) {
if (res->change_detected == RES_CHANGE_ADD) {
- if (!pmcraid_expose_resource(&res->cfg_entry))
+ if (!pmcraid_expose_resource(fw_version,
+ &res->cfg_entry))
continue;
if (RES_IS_VSET(res->cfg_entry)) {
bus = PMCRAID_VSET_BUS_ID;
- target = res->cfg_entry.unique_flags1;
+ if (fw_version <= PMCRAID_FW_VERSION_1)
+ target = res->cfg_entry.unique_flags1;
+ else
+ target = res->cfg_entry.array_id & 0xFF;
lun = PMCRAID_VSET_LUN_ID;
} else {
bus = PMCRAID_PHYS_BUS_ID;
* Return Value
* None
*/
-void pmcraid_tasklet_function(unsigned long instance)
+static void pmcraid_tasklet_function(unsigned long instance)
{
struct pmcraid_isr_param *hrrq_vector;
struct pmcraid_instance *pinstance;
unsigned long host_lock_flags;
spinlock_t *lockp; /* hrrq buffer lock */
int id;
- u32 intrs;
__le32 resp;
hrrq_vector = (struct pmcraid_isr_param *)instance;
pinstance = hrrq_vector->drv_inst;
id = hrrq_vector->hrrq_id;
lockp = &(pinstance->hrrq_lock[id]);
- intrs = pmcraid_read_interrupts(pinstance);
-
- /* If interrupts was as part of the ioa initialization, clear and mask
- * it. Delete the timer and wakeup the reset engine to proceed with
- * reset sequence
- */
- if (intrs & INTRS_TRANSITION_TO_OPERATIONAL) {
- iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
- pinstance->int_regs.ioa_host_interrupt_mask_reg);
- iowrite32(INTRS_TRANSITION_TO_OPERATIONAL,
- pinstance->int_regs.ioa_host_interrupt_clr_reg);
-
- if (pinstance->reset_cmd != NULL) {
- del_timer(&pinstance->reset_cmd->timer);
- spin_lock_irqsave(pinstance->host->host_lock,
- host_lock_flags);
- pinstance->reset_cmd->cmd_done(pinstance->reset_cmd);
- spin_unlock_irqrestore(pinstance->host->host_lock,
- host_lock_flags);
- }
- return;
- }
/* loop through each of the commands responded by IOA. Each HRRQ buf is
* protected by its own lock. Traversals must be done within this lock
int cmd_index = resp >> 2;
struct pmcraid_cmd *cmd = NULL;
- if (cmd_index < PMCRAID_MAX_CMD) {
- cmd = pinstance->cmd_list[cmd_index];
- } else {
- /* In case of invalid response handle, initiate IOA
- * reset sequence.
- */
- spin_unlock_irqrestore(lockp, hrrq_lock_flags);
-
- pmcraid_err("Invalid response %d initiating reset\n",
- cmd_index);
-
- spin_lock_irqsave(pinstance->host->host_lock,
- host_lock_flags);
- pmcraid_initiate_reset(pinstance);
- spin_unlock_irqrestore(pinstance->host->host_lock,
- host_lock_flags);
-
- spin_lock_irqsave(lockp, hrrq_lock_flags);
- break;
- }
-
if (pinstance->hrrq_curr[id] < pinstance->hrrq_end[id]) {
pinstance->hrrq_curr[id]++;
} else {
pinstance->host_toggle_bit[id] ^= 1u;
}
+ if (cmd_index >= PMCRAID_MAX_CMD) {
+ /* In case of invalid response handle, log message */
+ pmcraid_err("Invalid response handle %d\n", cmd_index);
+ resp = le32_to_cpu(*(pinstance->hrrq_curr[id]));
+ continue;
+ }
+
+ cmd = pinstance->cmd_list[cmd_index];
spin_unlock_irqrestore(lockp, hrrq_lock_flags);
spin_lock_irqsave(&pinstance->pending_pool_lock,
static
void pmcraid_unregister_interrupt_handler(struct pmcraid_instance *pinstance)
{
- free_irq(pinstance->pdev->irq, &(pinstance->hrrq_vector[0]));
+ int i;
+
+ for (i = 0; i < pinstance->num_hrrq; i++)
+ free_irq(pinstance->hrrq_vector[i].vector,
+ &(pinstance->hrrq_vector[i]));
+
+ if (pinstance->interrupt_mode) {
+ pci_disable_msix(pinstance->pdev);
+ pinstance->interrupt_mode = 0;
+ }
}
/**
static int
pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance)
{
+ int rc;
struct pci_dev *pdev = pinstance->pdev;
+ if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
+ int num_hrrq = PMCRAID_NUM_MSIX_VECTORS;
+ struct msix_entry entries[PMCRAID_NUM_MSIX_VECTORS];
+ int i;
+ for (i = 0; i < PMCRAID_NUM_MSIX_VECTORS; i++)
+ entries[i].entry = i;
+
+ rc = pci_enable_msix(pdev, entries, num_hrrq);
+ if (rc < 0)
+ goto pmcraid_isr_legacy;
+
+ /* Check how many MSIX vectors are allocated and register
+ * msi-x handlers for each of them giving appropriate buffer
+ */
+ if (rc > 0) {
+ num_hrrq = rc;
+ if (pci_enable_msix(pdev, entries, num_hrrq))
+ goto pmcraid_isr_legacy;
+ }
+
+ for (i = 0; i < num_hrrq; i++) {
+ pinstance->hrrq_vector[i].hrrq_id = i;
+ pinstance->hrrq_vector[i].drv_inst = pinstance;
+ pinstance->hrrq_vector[i].vector = entries[i].vector;
+ rc = request_irq(pinstance->hrrq_vector[i].vector,
+ pmcraid_isr_msix, 0,
+ PMCRAID_DRIVER_NAME,
+ &(pinstance->hrrq_vector[i]));
+
+ if (rc) {
+ int j;
+ for (j = 0; j < i; j++)
+ free_irq(entries[j].vector,
+ &(pinstance->hrrq_vector[j]));
+ pci_disable_msix(pdev);
+ goto pmcraid_isr_legacy;
+ }
+ }
+
+ pinstance->num_hrrq = num_hrrq;
+ pinstance->interrupt_mode = 1;
+ iowrite32(DOORBELL_INTR_MODE_MSIX,
+ pinstance->int_regs.host_ioa_interrupt_reg);
+ ioread32(pinstance->int_regs.host_ioa_interrupt_reg);
+ goto pmcraid_isr_out;
+ }
+
+pmcraid_isr_legacy:
+ /* If MSI-X registration failed fallback to legacy mode, where
+ * only one hrrq entry will be used
+ */
pinstance->hrrq_vector[0].hrrq_id = 0;
pinstance->hrrq_vector[0].drv_inst = pinstance;
- pinstance->hrrq_vector[0].vector = 0;
+ pinstance->hrrq_vector[0].vector = pdev->irq;
pinstance->num_hrrq = 1;
- return request_irq(pdev->irq, pmcraid_isr, IRQF_SHARED,
- PMCRAID_DRIVER_NAME, &pinstance->hrrq_vector[0]);
+ rc = 0;
+
+ rc = request_irq(pdev->irq, pmcraid_isr, IRQF_SHARED,
+ PMCRAID_DRIVER_NAME, &pinstance->hrrq_vector[0]);
+pmcraid_isr_out:
+ return rc;
}
/**
static int __devinit
pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
{
- int i;
- int buf_count = PMCRAID_MAX_CMD / pinstance->num_hrrq;
+ int i, buffer_size;
- for (i = 0; i < pinstance->num_hrrq; i++) {
- int buffer_size = HRRQ_ENTRY_SIZE * buf_count;
+ buffer_size = HRRQ_ENTRY_SIZE * PMCRAID_MAX_CMD;
+ for (i = 0; i < pinstance->num_hrrq; i++) {
pinstance->hrrq_start[i] =
pci_alloc_consistent(
pinstance->pdev,
&(pinstance->hrrq_start_bus_addr[i]));
if (pinstance->hrrq_start[i] == 0) {
- pmcraid_err("could not allocate host rrq: %d\n", i);
+ pmcraid_err("pci_alloc failed for hrrq vector : %d\n",
+ i);
pmcraid_release_host_rrqs(pinstance, i);
return -ENOMEM;
}
memset(pinstance->hrrq_start[i], 0, buffer_size);
pinstance->hrrq_curr[i] = pinstance->hrrq_start[i];
pinstance->hrrq_end[i] =
- pinstance->hrrq_start[i] + buf_count - 1;
+ pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1;
pinstance->host_toggle_bit[i] = 1;
spin_lock_init(&pinstance->hrrq_lock[i]);
}
if (pinstance->ccn.msg != NULL) {
pci_free_consistent(pinstance->pdev,
PMCRAID_AEN_HDR_SIZE +
- sizeof(struct pmcraid_hcam_ccn),
+ sizeof(struct pmcraid_hcam_ccn_ext),
pinstance->ccn.msg,
pinstance->ccn.baddr);
pinstance->ccn.msg = pci_alloc_consistent(
pinstance->pdev,
PMCRAID_AEN_HDR_SIZE +
- sizeof(struct pmcraid_hcam_ccn),
+ sizeof(struct pmcraid_hcam_ccn_ext),
&(pinstance->ccn.baddr));
pinstance->ldn.msg = pci_alloc_consistent(
tasklet_kill(&pinstance->isr_tasklet[i]);
}
+/**
+ * pmcraid_release_buffers - release per-adapter buffers allocated
+ *
+ * @pinstance: pointer to adapter soft state
+ *
+ * Return Value
+ * none
+ */
+static void pmcraid_release_buffers(struct pmcraid_instance *pinstance)
+{
+ pmcraid_release_config_buffers(pinstance);
+ pmcraid_release_control_blocks(pinstance, PMCRAID_MAX_CMD);
+ pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
+ pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
+
+ if (pinstance->inq_data != NULL) {
+ pci_free_consistent(pinstance->pdev,
+ sizeof(struct pmcraid_inquiry_data),
+ pinstance->inq_data,
+ pinstance->inq_data_baddr);
+
+ pinstance->inq_data = NULL;
+ pinstance->inq_data_baddr = 0;
+ }
+}
+
/**
* pmcraid_init_buffers - allocates memory and initializes various structures
* @pinstance: pointer to per adapter instance structure
}
if (pmcraid_allocate_cmd_blocks(pinstance)) {
- pmcraid_err("couldn't allocate memory for cmd blocks \n");
+ pmcraid_err("couldn't allocate memory for cmd blocks\n");
pmcraid_release_config_buffers(pinstance);
pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
return -ENOMEM;
}
if (pmcraid_allocate_control_blocks(pinstance)) {
- pmcraid_err("couldn't allocate memory control blocks \n");
+ pmcraid_err("couldn't allocate memory control blocks\n");
pmcraid_release_config_buffers(pinstance);
pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
return -ENOMEM;
}
+ /* allocate DMAable memory for page D0 INQUIRY buffer */
+ pinstance->inq_data = pci_alloc_consistent(
+ pinstance->pdev,
+ sizeof(struct pmcraid_inquiry_data),
+ &pinstance->inq_data_baddr);
+
+ if (pinstance->inq_data == NULL) {
+ pmcraid_err("couldn't allocate DMA memory for INQUIRY\n");
+ pmcraid_release_buffers(pinstance);
+ return -ENOMEM;
+ }
+
/* Initialize all the command blocks and add them to free pool. No
* need to lock (free_pool_lock) as this is done in initialization
* itself
* pmcraid_reinit_buffers - resets various buffer pointers
* @pinstance: pointer to adapter instance
* Return value
- * none
+ * none
*/
static void pmcraid_reinit_buffers(struct pmcraid_instance *pinstance)
{
mapped_pci_addr + chip_cfg->ioa_host_intr;
pint_regs->ioa_host_interrupt_clr_reg =
mapped_pci_addr + chip_cfg->ioa_host_intr_clr;
+ pint_regs->ioa_host_msix_interrupt_reg =
+ mapped_pci_addr + chip_cfg->ioa_host_msix_intr;
pint_regs->host_ioa_interrupt_reg =
mapped_pci_addr + chip_cfg->host_ioa_intr;
pint_regs->host_ioa_interrupt_clr_reg =
init_waitqueue_head(&pinstance->reset_wait_q);
atomic_set(&pinstance->outstanding_cmds, 0);
+ atomic_set(&pinstance->last_message_id, 0);
atomic_set(&pinstance->expose_resources, 0);
INIT_LIST_HEAD(&pinstance->free_res_q);
return 0;
}
-/**
- * pmcraid_release_buffers - release per-adapter buffers allocated
- *
- * @pinstance: pointer to adapter soft state
- *
- * Return Value
- * none
- */
-static void pmcraid_release_buffers(struct pmcraid_instance *pinstance)
-{
- pmcraid_release_config_buffers(pinstance);
- pmcraid_release_control_blocks(pinstance, PMCRAID_MAX_CMD);
- pmcraid_release_cmd_blocks(pinstance, PMCRAID_MAX_CMD);
- pmcraid_release_host_rrqs(pinstance, pinstance->num_hrrq);
-
-}
-
/**
* pmcraid_shutdown - shutdown adapter controller.
* @pdev: pci device struct
pmcraid_release_minor(minor);
else
device_create(pmcraid_class, NULL, MKDEV(pmcraid_major, minor),
- NULL, "pmcsas%u", minor);
+ NULL, "%s%u", PMCRAID_DEVFILE, minor);
return error;
}
struct pmcraid_instance *pinstance = pci_get_drvdata(pdev);
struct Scsi_Host *host = pinstance->host;
int rc;
- int hrrqs;
pci_set_power_state(pdev, PCI_D0);
pci_enable_wake(pdev, PCI_D0, 0);
goto disable_device;
}
+ pmcraid_disable_interrupts(pinstance, ~0);
atomic_set(&pinstance->outstanding_cmds, 0);
- hrrqs = pinstance->num_hrrq;
rc = pmcraid_register_interrupt_handler(pinstance);
if (rc) {
* state.
*/
if (pmcraid_reset_bringup(pinstance)) {
- dev_err(&pdev->dev, "couldn't initialize IOA \n");
+ dev_err(&pdev->dev, "couldn't initialize IOA\n");
rc = -ENODEV;
goto release_tasklets;
}
return 0;
release_tasklets:
+ pmcraid_disable_interrupts(pinstance, ~0);
pmcraid_kill_tasklets(pinstance);
pmcraid_unregister_interrupt_handler(pinstance);
/**
* pmcraid_complete_ioa_reset - Called by either timer or tasklet during
- * completion of the ioa reset
+ * completion of the ioa reset
* @cmd: pointer to reset command block
*/
static void pmcraid_complete_ioa_reset(struct pmcraid_cmd *cmd)
struct pmcraid_config_table_entry *cfgte;
unsigned long lock_flags;
int found, rc, i;
+ u16 fw_version;
LIST_HEAD(old_res);
if (pinstance->cfg_table->flags & MICROCODE_UPDATE_REQUIRED)
pmcraid_err("IOA requires microcode download\n");
+ fw_version = be16_to_cpu(pinstance->inq_data->fw_version);
+
/* resource list is protected by pinstance->resource_lock.
* init_res_table can be called from probe (user-thread) or runtime
* reset (timer/tasklet)
list_move_tail(&res->queue, &old_res);
for (i = 0; i < pinstance->cfg_table->num_entries; i++) {
- cfgte = &pinstance->cfg_table->entries[i];
+ if (be16_to_cpu(pinstance->inq_data->fw_version) <=
+ PMCRAID_FW_VERSION_1)
+ cfgte = &pinstance->cfg_table->entries[i];
+ else
+ cfgte = (struct pmcraid_config_table_entry *)
+ &pinstance->cfg_table->entries_ext[i];
- if (!pmcraid_expose_resource(cfgte))
+ if (!pmcraid_expose_resource(fw_version, cfgte))
continue;
found = 0;
*/
if (found) {
memcpy(&res->cfg_entry, cfgte,
- sizeof(struct pmcraid_config_table_entry));
+ pinstance->config_table_entry_size);
pmcraid_info("New res type:%x, vset:%x, addr:%x:\n",
res->cfg_entry.resource_type,
- res->cfg_entry.unique_flags1,
+ (fw_version <= PMCRAID_FW_VERSION_1 ?
+ res->cfg_entry.unique_flags1 :
+ res->cfg_entry.array_id & 0xFF),
le32_to_cpu(res->cfg_entry.resource_address));
}
}
struct pmcraid_instance *pinstance = cmd->drv_inst;
int cfg_table_size = cpu_to_be32(sizeof(struct pmcraid_config_table));
+ if (be16_to_cpu(pinstance->inq_data->fw_version) <=
+ PMCRAID_FW_VERSION_1)
+ pinstance->config_table_entry_size =
+ sizeof(struct pmcraid_config_table_entry);
+ else
+ pinstance->config_table_entry_size =
+ sizeof(struct pmcraid_config_table_entry_ext);
+
ioarcb->request_type = REQ_TYPE_IOACMD;
ioarcb->resource_handle = cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
/**
- * pmcraid_probe - PCI probe entry pointer for PMC MaxRaid controller driver
+ * pmcraid_probe - PCI probe entry pointer for PMC MaxRAID controller driver
* @pdev: pointer to pci device structure
* @dev_id: pointer to device ids structure
*
*/
pmcraid_info("starting IOA initialization sequence\n");
if (pmcraid_reset_bringup(pinstance)) {
- dev_err(&pdev->dev, "couldn't initialize IOA \n");
+ dev_err(&pdev->dev, "couldn't initialize IOA\n");
rc = 1;
goto out_release_bufs;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff