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[SCSI] mptfc: set fibre channel fw target missing timers to one second
The fibre channel firmware provides a timer which is similar in purpose to the fibre channel transport's device loss timer. The effect of this timer is to extend the total time that a target will be missing beyond the value associated with the transport's timer. This patch changes the firmware timer to a default of one second which significantly reduces the lag between when a target goes missing and the notification of the fibre channel transport. Signed-off-by: Michael Reed <mdr@sgi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Michael Reed
James Bottomley
parent
80d3ac77a8
commit
ca2f938efe
@ -487,6 +487,15 @@ typedef struct _RaidCfgData {
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int isRaid; /* bit field, 1 if RAID */
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}RaidCfgData;
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typedef struct _FcCfgData {
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/* will ultimately hold fc_port_page0 also */
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struct {
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FCPortPage1_t *data;
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dma_addr_t dma;
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int pg_sz;
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} fc_port_page1[2];
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} FcCfgData;
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#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
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#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
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@ -565,6 +574,7 @@ typedef struct _MPT_ADAPTER
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SpiCfgData spi_data; /* Scsi config. data */
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RaidCfgData raid_data; /* Raid config. data */
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SasCfgData sas_data; /* Sas config. data */
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FcCfgData fc_data; /* Fc config. data */
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MPT_IOCTL *ioctl; /* ioctl data pointer */
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struct proc_dir_entry *ioc_dentry;
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struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
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@ -169,13 +169,6 @@ static struct fc_function_template mptfc_transport_functions = {
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};
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/* FIXME! values controlling firmware RESCAN event
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* need to be set low to allow dev_loss_tmo to
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* work as expected. Currently, firmware doesn't
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* notify driver of RESCAN event until some number
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* of seconds elapse. This value can be set via
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* lsiutil.
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*/
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static void
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mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
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{
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@ -700,6 +693,153 @@ mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
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return rc;
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}
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static int
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mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
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{
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ConfigPageHeader_t hdr;
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CONFIGPARMS cfg;
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int rc;
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if (portnum > 1)
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return -EINVAL;
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if (!(ioc->fc_data.fc_port_page1[portnum].data))
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return -EINVAL;
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/* get fcport page 1 header */
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hdr.PageVersion = 0;
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hdr.PageLength = 0;
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hdr.PageNumber = 1;
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hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
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cfg.cfghdr.hdr = &hdr;
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cfg.physAddr = -1;
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cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
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cfg.dir = 0;
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cfg.pageAddr = portnum;
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cfg.timeout = 0;
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if ((rc = mpt_config(ioc, &cfg)) != 0)
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return rc;
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if (hdr.PageLength == 0)
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return -ENODEV;
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if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
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return -EINVAL;
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cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
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cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
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cfg.dir = 1;
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rc = mpt_config(ioc, &cfg);
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return rc;
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}
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static int
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mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
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{
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ConfigPageHeader_t hdr;
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CONFIGPARMS cfg;
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FCPortPage1_t *page1_alloc;
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dma_addr_t page1_dma;
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int data_sz;
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int rc;
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if (portnum > 1)
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return -EINVAL;
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/* get fcport page 1 header */
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hdr.PageVersion = 0;
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hdr.PageLength = 0;
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hdr.PageNumber = 1;
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hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
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cfg.cfghdr.hdr = &hdr;
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cfg.physAddr = -1;
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cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
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cfg.dir = 0;
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cfg.pageAddr = portnum;
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cfg.timeout = 0;
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if ((rc = mpt_config(ioc, &cfg)) != 0)
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return rc;
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if (hdr.PageLength == 0)
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return -ENODEV;
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start_over:
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if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
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data_sz = hdr.PageLength * 4;
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if (data_sz < sizeof(FCPortPage1_t))
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data_sz = sizeof(FCPortPage1_t);
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page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
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data_sz,
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&page1_dma);
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if (!page1_alloc)
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return -ENOMEM;
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}
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else {
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page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
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page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
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data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
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if (hdr.PageLength * 4 > data_sz) {
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ioc->fc_data.fc_port_page1[portnum].data = NULL;
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pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
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page1_alloc, page1_dma);
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goto start_over;
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}
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}
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memset(page1_alloc,0,data_sz);
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cfg.physAddr = page1_dma;
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cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
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if ((rc = mpt_config(ioc, &cfg)) == 0) {
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ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
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ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
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ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
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}
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else {
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ioc->fc_data.fc_port_page1[portnum].data = NULL;
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pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
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page1_alloc, page1_dma);
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}
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return rc;
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}
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static void
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mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
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{
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int ii;
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FCPortPage1_t *pp1;
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#define MPTFC_FW_DEVICE_TIMEOUT (1)
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#define MPTFC_FW_IO_PEND_TIMEOUT (1)
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#define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
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#define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
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for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
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if (mptfc_GetFcPortPage1(ioc, ii) != 0)
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continue;
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pp1 = ioc->fc_data.fc_port_page1[ii].data;
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if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
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&& (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
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&& ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
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&& ((pp1->Flags & OFF_FLAGS) == 0))
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continue;
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pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
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pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
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pp1->Flags &= ~OFF_FLAGS;
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pp1->Flags |= ON_FLAGS;
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mptfc_WriteFcPortPage1(ioc, ii);
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}
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}
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static void
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mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
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{
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@ -1000,6 +1140,7 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
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(void) mptfc_GetFcPortPage0(ioc, ii);
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}
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mptfc_SetFcPortPage1_defaults(ioc);
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/*
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* scan for rports -
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@ -1086,6 +1227,7 @@ mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
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}
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else { /* MPT_IOC_POST_RESET */
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mptfc_SetFcPortPage1_defaults(ioc);
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spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
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if (ioc->fc_rescan_work_q) {
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if (ioc->fc_rescan_work_count++ == 0) {
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@ -1112,8 +1254,8 @@ mptfc_init(void)
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show_mptmod_ver(my_NAME, my_VERSION);
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/* sanity check module parameter */
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if (mptfc_dev_loss_tmo == 0)
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/* sanity check module parameters */
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if (mptfc_dev_loss_tmo <= 0)
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mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
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mptfc_transport_template =
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@ -1156,6 +1298,7 @@ mptfc_remove(struct pci_dev *pdev)
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struct mptfc_rport_info *p, *n;
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struct workqueue_struct *work_q;
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unsigned long flags;
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int ii;
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/* destroy workqueue */
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if ((work_q=ioc->fc_rescan_work_q)) {
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@ -1172,6 +1315,16 @@ mptfc_remove(struct pci_dev *pdev)
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kfree(p);
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}
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for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
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if (ioc->fc_data.fc_port_page1[ii].data) {
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pci_free_consistent(ioc->pcidev,
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ioc->fc_data.fc_port_page1[ii].pg_sz,
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(u8 *) ioc->fc_data.fc_port_page1[ii].data,
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ioc->fc_data.fc_port_page1[ii].dma);
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ioc->fc_data.fc_port_page1[ii].data = NULL;
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}
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}
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mptscsih_remove(pdev);
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}
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