static int mptsasDoneCtx = -1;
static int mptsasTaskCtx = -1;
static int mptsasInternalCtx = -1; /* Used only for internal commands */
+static int mptsasMgmtCtx = -1;
/*
struct mptsas_phyinfo *phy_info;
};
-/*
- * This is pretty ugly. We will be able to seriously clean it up
- * once the DV code in mptscsih goes away and we can properly
- * implement ->target_alloc.
- */
-static int
-mptsas_slave_alloc(struct scsi_device *device)
-{
- struct Scsi_Host *host = device->host;
- MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
- struct sas_rphy *rphy;
- struct mptsas_portinfo *p;
- VirtDevice *vdev;
- uint target = device->id;
- int i;
-
- if ((vdev = hd->Targets[target]) != NULL)
- goto out;
-
- vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
- if (!vdev) {
- printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
- hd->ioc->name, sizeof(VirtDevice));
- return -ENOMEM;
- }
-
- memset(vdev, 0, sizeof(VirtDevice));
- vdev->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
- vdev->ioc_id = hd->ioc->id;
-
- rphy = dev_to_rphy(device->sdev_target->dev.parent);
- list_for_each_entry(p, &hd->ioc->sas_topology, list) {
- for (i = 0; i < p->num_phys; i++) {
- if (p->phy_info[i].attached.sas_address ==
- rphy->identify.sas_address) {
- vdev->target_id =
- p->phy_info[i].attached.target;
- vdev->bus_id = p->phy_info[i].attached.bus;
- hd->Targets[device->id] = vdev;
- goto out;
- }
- }
- }
-
- printk("No matching SAS device found!!\n");
- kfree(vdev);
- return -ENODEV;
-
- out:
- vdev->num_luns++;
- device->hostdata = vdev;
- return 0;
-}
-
-static struct scsi_host_template mptsas_driver_template = {
- .proc_name = "mptsas",
- .proc_info = mptscsih_proc_info,
- .name = "MPT SPI Host",
- .info = mptscsih_info,
- .queuecommand = mptscsih_qcmd,
- .slave_alloc = mptsas_slave_alloc,
- .slave_configure = mptscsih_slave_configure,
- .slave_destroy = mptscsih_slave_destroy,
- .change_queue_depth = mptscsih_change_queue_depth,
- .eh_abort_handler = mptscsih_abort,
- .eh_device_reset_handler = mptscsih_dev_reset,
- .eh_bus_reset_handler = mptscsih_bus_reset,
- .eh_host_reset_handler = mptscsih_host_reset,
- .bios_param = mptscsih_bios_param,
- .can_queue = MPT_FC_CAN_QUEUE,
- .this_id = -1,
- .sg_tablesize = MPT_SCSI_SG_DEPTH,
- .max_sectors = 8192,
- .cmd_per_lun = 7,
- .use_clustering = ENABLE_CLUSTERING,
-};
-
-static struct sas_function_template mptsas_transport_functions = {
-};
-
-static struct scsi_transport_template *mptsas_transport_template;
#ifdef SASDEBUG
static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
printk("\n");
}
+static void mptsas_print_phy_pg1(SasPhyPage1_t *pg1)
+{
+ printk("---- SAS PHY PAGE 1 ------------\n");
+ printk("Invalid Dword Count=0x%x\n", pg1->InvalidDwordCount);
+ printk("Running Disparity Error Count=0x%x\n",
+ pg1->RunningDisparityErrorCount);
+ printk("Loss Dword Synch Count=0x%x\n", pg1->LossDwordSynchCount);
+ printk("PHY Reset Problem Count=0x%x\n", pg1->PhyResetProblemCount);
+ printk("\n");
+}
+
static void mptsas_print_device_pg0(SasDevicePage0_t *pg0)
{
__le64 sas_address;
printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address));
printk("Target ID=0x%X\n", pg0->TargetID);
printk("Bus=0x%X\n", pg0->Bus);
+ /* The PhyNum field specifies the PHY number of the parent
+ * device this device is linked to
+ */
printk("Parent Phy Num=0x%X\n", pg0->PhyNum);
printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus));
printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo));
#else
#define mptsas_print_phy_data(phy_data) do { } while (0)
#define mptsas_print_phy_pg0(pg0) do { } while (0)
+#define mptsas_print_phy_pg1(pg1) do { } while (0)
#define mptsas_print_device_pg0(pg0) do { } while (0)
#define mptsas_print_expander_pg1(pg1) do { } while (0)
#endif
+
+/*
+ * This is pretty ugly. We will be able to seriously clean it up
+ * once the DV code in mptscsih goes away and we can properly
+ * implement ->target_alloc.
+ */
+static int
+mptsas_slave_alloc(struct scsi_device *sdev)
+{
+ struct Scsi_Host *host = sdev->host;
+ MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
+ struct sas_rphy *rphy;
+ struct mptsas_portinfo *p;
+ VirtTarget *vtarget;
+ VirtDevice *vdev;
+ struct scsi_target *starget;
+ int i;
+
+ vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+ if (!vdev) {
+ printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
+ hd->ioc->name, sizeof(VirtDevice));
+ return -ENOMEM;
+ }
+ memset(vdev, 0, sizeof(VirtDevice));
+ vdev->ioc_id = hd->ioc->id;
+ sdev->hostdata = vdev;
+ starget = scsi_target(sdev);
+ vtarget = starget->hostdata;
+ vdev->vtarget = vtarget;
+ if (vtarget->num_luns == 0) {
+ vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
+ hd->Targets[sdev->id] = vtarget;
+ }
+
+ rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
+ list_for_each_entry(p, &hd->ioc->sas_topology, list) {
+ for (i = 0; i < p->num_phys; i++) {
+ if (p->phy_info[i].attached.sas_address ==
+ rphy->identify.sas_address) {
+ vdev->target_id =
+ p->phy_info[i].attached.target;
+ vdev->bus_id = p->phy_info[i].attached.bus;
+ vdev->lun = sdev->lun;
+ goto out;
+ }
+ }
+ }
+
+ printk("No matching SAS device found!!\n");
+ kfree(vdev);
+ return -ENODEV;
+
+ out:
+ vtarget->ioc_id = vdev->ioc_id;
+ vtarget->target_id = vdev->target_id;
+ vtarget->bus_id = vdev->bus_id;
+ vtarget->num_luns++;
+ return 0;
+}
+
+static struct scsi_host_template mptsas_driver_template = {
+ .module = THIS_MODULE,
+ .proc_name = "mptsas",
+ .proc_info = mptscsih_proc_info,
+ .name = "MPT SPI Host",
+ .info = mptscsih_info,
+ .queuecommand = mptscsih_qcmd,
+ .target_alloc = mptscsih_target_alloc,
+ .slave_alloc = mptsas_slave_alloc,
+ .slave_configure = mptscsih_slave_configure,
+ .target_destroy = mptscsih_target_destroy,
+ .slave_destroy = mptscsih_slave_destroy,
+ .change_queue_depth = mptscsih_change_queue_depth,
+ .eh_abort_handler = mptscsih_abort,
+ .eh_device_reset_handler = mptscsih_dev_reset,
+ .eh_bus_reset_handler = mptscsih_bus_reset,
+ .eh_host_reset_handler = mptscsih_host_reset,
+ .bios_param = mptscsih_bios_param,
+ .can_queue = MPT_FC_CAN_QUEUE,
+ .this_id = -1,
+ .sg_tablesize = MPT_SCSI_SG_DEPTH,
+ .max_sectors = 8192,
+ .cmd_per_lun = 7,
+ .use_clustering = ENABLE_CLUSTERING,
+};
+
+static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
+{
+ struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
+ return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
+}
+
+static int mptsas_get_linkerrors(struct sas_phy *phy)
+{
+ MPT_ADAPTER *ioc = phy_to_ioc(phy);
+ ConfigExtendedPageHeader_t hdr;
+ CONFIGPARMS cfg;
+ SasPhyPage1_t *buffer;
+ dma_addr_t dma_handle;
+ int error;
+
+ hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
+ hdr.ExtPageLength = 0;
+ hdr.PageNumber = 1 /* page number 1*/;
+ hdr.Reserved1 = 0;
+ hdr.Reserved2 = 0;
+ hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+ hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
+
+ cfg.cfghdr.ehdr = &hdr;
+ cfg.physAddr = -1;
+ cfg.pageAddr = phy->identify.phy_identifier;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+ cfg.dir = 0; /* read */
+ cfg.timeout = 10;
+
+ error = mpt_config(ioc, &cfg);
+ if (error)
+ return error;
+ if (!hdr.ExtPageLength)
+ return -ENXIO;
+
+ buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+ &dma_handle);
+ if (!buffer)
+ return -ENOMEM;
+
+ cfg.physAddr = dma_handle;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+ error = mpt_config(ioc, &cfg);
+ if (error)
+ goto out_free_consistent;
+
+ mptsas_print_phy_pg1(buffer);
+
+ phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
+ phy->running_disparity_error_count =
+ le32_to_cpu(buffer->RunningDisparityErrorCount);
+ phy->loss_of_dword_sync_count =
+ le32_to_cpu(buffer->LossDwordSynchCount);
+ phy->phy_reset_problem_count =
+ le32_to_cpu(buffer->PhyResetProblemCount);
+
+ out_free_consistent:
+ pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+ buffer, dma_handle);
+ return error;
+}
+
+static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
+ MPT_FRAME_HDR *reply)
+{
+ ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_COMMAND_GOOD;
+ if (reply != NULL) {
+ ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_RF_VALID;
+ memcpy(ioc->sas_mgmt.reply, reply,
+ min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
+ }
+ complete(&ioc->sas_mgmt.done);
+ return 1;
+}
+
+static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
+{
+ MPT_ADAPTER *ioc = phy_to_ioc(phy);
+ SasIoUnitControlRequest_t *req;
+ SasIoUnitControlReply_t *reply;
+ MPT_FRAME_HDR *mf;
+ MPIHeader_t *hdr;
+ unsigned long timeleft;
+ int error = -ERESTARTSYS;
+
+ /* not implemented for expanders */
+ if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
+ return -ENXIO;
+
+ if (down_interruptible(&ioc->sas_mgmt.mutex))
+ goto out;
+
+ mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
+ if (!mf) {
+ error = -ENOMEM;
+ goto out_unlock;
+ }
+
+ hdr = (MPIHeader_t *) mf;
+ req = (SasIoUnitControlRequest_t *)mf;
+ memset(req, 0, sizeof(SasIoUnitControlRequest_t));
+ req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
+ req->MsgContext = hdr->MsgContext;
+ req->Operation = hard_reset ?
+ MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
+ req->PhyNum = phy->identify.phy_identifier;
+
+ mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
+
+ timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
+ 10 * HZ);
+ if (!timeleft) {
+ /* On timeout reset the board */
+ mpt_free_msg_frame(ioc, mf);
+ mpt_HardResetHandler(ioc, CAN_SLEEP);
+ error = -ETIMEDOUT;
+ goto out_unlock;
+ }
+
+ /* a reply frame is expected */
+ if ((ioc->sas_mgmt.status &
+ MPT_IOCTL_STATUS_RF_VALID) == 0) {
+ error = -ENXIO;
+ goto out_unlock;
+ }
+
+ /* process the completed Reply Message Frame */
+ reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
+ if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
+ printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
+ __FUNCTION__,
+ reply->IOCStatus,
+ reply->IOCLogInfo);
+ error = -ENXIO;
+ goto out_unlock;
+ }
+
+ error = 0;
+
+ out_unlock:
+ up(&ioc->sas_mgmt.mutex);
+ out:
+ return error;
+}
+
+static struct sas_function_template mptsas_transport_functions = {
+ .get_linkerrors = mptsas_get_linkerrors,
+ .phy_reset = mptsas_phy_reset,
+};
+
+static struct scsi_transport_template *mptsas_transport_template;
+
static int
mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
{
}
static int mptsas_probe_one_phy(struct device *dev,
- struct mptsas_phyinfo *phy_info, int index)
+ struct mptsas_phyinfo *phy_info, int index, int local)
{
struct sas_phy *port;
int error;
break;
}
+ if (local)
+ port->local_attached = 1;
+
error = sas_phy_add(port);
if (error) {
sas_phy_free(port);
goto out_free_port_info;
list_add_tail(&port_info->list, &ioc->sas_topology);
-
for (i = 0; i < port_info->num_phys; i++) {
mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
(MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
}
mptsas_probe_one_phy(&ioc->sh->shost_gendev,
- &port_info->phy_info[i], *index);
+ &port_info->phy_info[i], *index, 1);
(*index)++;
}
}
}
- mptsas_probe_one_phy(parent, &port_info->phy_info[i], *index);
+ mptsas_probe_one_phy(parent, &port_info->phy_info[i],
+ *index, 0);
(*index)++;
}
printk(MYIOC_s_WARN_FMT
"Skipping because it's not operational!\n",
ioc->name);
- return -ENODEV;
+ error = -ENODEV;
+ goto out_mptsas_probe;
}
if (!ioc->active) {
printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
ioc->name);
- return -ENODEV;
+ error = -ENODEV;
+ goto out_mptsas_probe;
}
/* Sanity check - ensure at least 1 port is INITIATOR capable
printk(MYIOC_s_WARN_FMT
"Unable to register controller with SCSI subsystem\n",
ioc->name);
- return -1;
+ error = -1;
+ goto out_mptsas_probe;
}
spin_lock_irqsave(&ioc->FreeQlock, flags);
sh->unique_id = ioc->id;
INIT_LIST_HEAD(&ioc->sas_topology);
+ init_MUTEX(&ioc->sas_mgmt.mutex);
+ init_completion(&ioc->sas_mgmt.done);
/* Verify that we won't exceed the maximum
* number of chain buffers
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
error = -ENOMEM;
- goto mptsas_probe_failed;
+ goto out_mptsas_probe;
}
memset(mem, 0, sz);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
error = -ENOMEM;
- goto mptsas_probe_failed;
+ goto out_mptsas_probe;
}
memset(mem, 0, sz);
- hd->Targets = (VirtDevice **) mem;
+ hd->Targets = (VirtTarget **) mem;
dprintk((KERN_INFO
- " Targets @ %p, sz=%d\n", hd->Targets, sz));
+ " vtarget @ %p, sz=%d\n", hd->Targets, sz));
/* Clear the TM flags
*/
if (error) {
dprintk((KERN_ERR MYNAM
"scsi_add_host failed\n"));
- goto mptsas_probe_failed;
+ goto out_mptsas_probe;
}
mptsas_scan_sas_topology(ioc);
return 0;
-mptsas_probe_failed:
+out_mptsas_probe:
mptscsih_remove(pdev);
return error;
mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER);
mptsasInternalCtx =
mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER);
+ mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER);
if (mpt_event_register(mptsasDoneCtx, mptscsih_event_process) == 0) {
devtprintk((KERN_INFO MYNAM
mpt_reset_deregister(mptsasDoneCtx);
mpt_event_deregister(mptsasDoneCtx);
+ mpt_deregister(mptsasMgmtCtx);
mpt_deregister(mptsasInternalCtx);
mpt_deregister(mptsasTaskCtx);
mpt_deregister(mptsasDoneCtx);