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path: root/drivers/message/fusion/mptfc.c
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Diffstat (limited to 'drivers/message/fusion/mptfc.c')
-rw-r--r--drivers/message/fusion/mptfc.c187
1 files changed, 184 insertions, 3 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index 856487741ef..e518bc97f8c 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -596,6 +596,110 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
return err;
}
+/*
+ * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @portnum: IOC Port number
+ *
+ * Return: 0 for success
+ * -ENOMEM if no memory available
+ * -EPERM if not allowed due to ISR context
+ * -EAGAIN if no msg frames currently available
+ * -EFAULT for non-successful reply or no reply (timeout)
+ * -EINVAL portnum arg out of range (hardwired to two elements)
+ */
+static int
+mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
+{
+ ConfigPageHeader_t hdr;
+ CONFIGPARMS cfg;
+ FCPortPage0_t *ppage0_alloc;
+ FCPortPage0_t *pp0dest;
+ dma_addr_t page0_dma;
+ int data_sz;
+ int copy_sz;
+ int rc;
+ int count = 400;
+
+ if (portnum > 1)
+ return -EINVAL;
+
+ /* Get FCPort Page 0 header */
+ hdr.PageVersion = 0;
+ hdr.PageLength = 0;
+ hdr.PageNumber = 0;
+ hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
+ cfg.cfghdr.hdr = &hdr;
+ cfg.physAddr = -1;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+ cfg.dir = 0;
+ cfg.pageAddr = portnum;
+ cfg.timeout = 0;
+
+ if ((rc = mpt_config(ioc, &cfg)) != 0)
+ return rc;
+
+ if (hdr.PageLength == 0)
+ return 0;
+
+ data_sz = hdr.PageLength * 4;
+ rc = -ENOMEM;
+ ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
+ if (ppage0_alloc) {
+
+ try_again:
+ memset((u8 *)ppage0_alloc, 0, data_sz);
+ cfg.physAddr = page0_dma;
+ cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+ if ((rc = mpt_config(ioc, &cfg)) == 0) {
+ /* save the data */
+ pp0dest = &ioc->fc_port_page0[portnum];
+ copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
+ memcpy(pp0dest, ppage0_alloc, copy_sz);
+
+ /*
+ * Normalize endianness of structure data,
+ * by byte-swapping all > 1 byte fields!
+ */
+ pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
+ pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
+ pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
+ pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
+ pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
+ pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
+ pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
+ pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
+ pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
+ pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
+ pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
+ pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
+ pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
+ pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
+ pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
+ pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
+
+ /*
+ * if still doing discovery,
+ * hang loose a while until finished
+ */
+ if (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) {
+ if (count-- > 0) {
+ msleep_interruptible(100);
+ goto try_again;
+ }
+ printk(MYIOC_s_INFO_FMT "Firmware discovery not"
+ " complete.\n",
+ ioc->name);
+ }
+ }
+
+ pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
+ }
+
+ return rc;
+}
+
static void
mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
{
@@ -651,7 +755,7 @@ mptfc_rescan_devices(void *arg)
* will reregister existing rports
*/
for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
- (void) mptbase_GetFcPortPage0(ioc, ii);
+ (void) mptfc_GetFcPortPage0(ioc, ii);
mptfc_init_host_attr(ioc,ii); /* refresh */
mptfc_GetFcDevPage0(ioc,ii,mptfc_register_dev);
}
@@ -753,6 +857,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_mptfc_probe;
}
+ spin_lock_init(&ioc->fc_rescan_work_lock);
INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices,(void *)ioc);
spin_lock_irqsave(&ioc->FreeQlock, flags);
@@ -889,6 +994,14 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_mptfc_probe;
/*
+ * Pre-fetch FC port WWN and stuff...
+ * (FCPortPage0_t stuff)
+ */
+ for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
+ (void) mptfc_GetFcPortPage0(ioc, ii);
+ }
+
+ /*
* scan for rports -
* by doing it via the workqueue, some locking is eliminated
*/
@@ -917,6 +1030,74 @@ static struct pci_driver mptfc_driver = {
#endif
};
+static int
+mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
+{
+ MPT_SCSI_HOST *hd;
+ u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
+ unsigned long flags;
+ int rc=1;
+
+ devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
+ ioc->name, event));
+
+ if (ioc->sh == NULL ||
+ ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL))
+ return 1;
+
+ switch (event) {
+ case MPI_EVENT_RESCAN:
+ spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+ if (ioc->fc_rescan_work_q) {
+ if (ioc->fc_rescan_work_count++ == 0) {
+ queue_work(ioc->fc_rescan_work_q,
+ &ioc->fc_rescan_work);
+ }
+ }
+ spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+ break;
+ default:
+ rc = mptscsih_event_process(ioc,pEvReply);
+ break;
+ }
+ return rc;
+}
+
+static int
+mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
+{
+ int rc;
+ unsigned long flags;
+
+ rc = mptscsih_ioc_reset(ioc,reset_phase);
+ if (rc == 0)
+ return rc;
+
+
+ dtmprintk((KERN_WARNING MYNAM
+ ": IOC %s_reset routed to FC host driver!\n",
+ reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
+ reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
+
+ if (reset_phase == MPT_IOC_SETUP_RESET) {
+ }
+
+ else if (reset_phase == MPT_IOC_PRE_RESET) {
+ }
+
+ else { /* MPT_IOC_POST_RESET */
+ spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
+ if (ioc->fc_rescan_work_q) {
+ if (ioc->fc_rescan_work_count++ == 0) {
+ queue_work(ioc->fc_rescan_work_q,
+ &ioc->fc_rescan_work);
+ }
+ }
+ spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
+ }
+ return 1;
+}
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
* mptfc_init - Register MPT adapter(s) as SCSI host(s) with
@@ -945,12 +1126,12 @@ mptfc_init(void)
mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
- if (mpt_event_register(mptfcDoneCtx, mptscsih_event_process) == 0) {
+ if (mpt_event_register(mptfcDoneCtx, mptfc_event_process) == 0) {
devtverboseprintk((KERN_INFO MYNAM
": Registered for IOC event notifications\n"));
}
- if (mpt_reset_register(mptfcDoneCtx, mptscsih_ioc_reset) == 0) {
+ if (mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset) == 0) {
dprintk((KERN_INFO MYNAM
": Registered for IOC reset notifications\n"));
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 16:23:32 +0000