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-rw-r--r--drivers/message/fusion/mptbase.c54
-rw-r--r--drivers/message/fusion/mptbase.h1
-rw-r--r--drivers/scsi/Kconfig2
-rw-r--r--drivers/scsi/aacraid/aachba.c70
-rw-r--r--drivers/scsi/aacraid/aacraid.h2
-rw-r--r--drivers/scsi/aacraid/commsup.c2
-rw-r--r--drivers/scsi/aacraid/linit.c47
-rw-r--r--drivers/scsi/aacraid/rx.c5
-rw-r--r--drivers/scsi/aacraid/sa.c5
-rw-r--r--drivers/scsi/advansys.c13
-rw-r--r--drivers/scsi/aic94xx/aic94xx_sas.h2
-rw-r--r--drivers/scsi/aic94xx/aic94xx_tmf.c2
-rw-r--r--drivers/scsi/arm/fas216.c16
-rw-r--r--drivers/scsi/arm/fas216.h3
-rw-r--r--drivers/scsi/gdth.c16
-rw-r--r--drivers/scsi/lpfc/lpfc.h19
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c19
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h6
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c41
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h66
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c384
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c328
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h18
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c154
-rw-r--r--drivers/scsi/lpfc/lpfc_logmsg.h10
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c13
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c55
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c105
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_vport.c70
-rw-r--r--drivers/scsi/megaraid/megaraid_mm.c20
-rw-r--r--drivers/scsi/megaraid/megaraid_mm.h1
-rw-r--r--drivers/scsi/ses.c23
-rw-r--r--drivers/scsi/sym53c416.c16
-rw-r--r--include/scsi/scsi_host.h8
36 files changed, 1232 insertions, 370 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 425f60c21fdd..bfda731696f7 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1470,9 +1470,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1470 if (mpt_debug_level) 1470 if (mpt_debug_level)
1471 printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level); 1471 printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level);
1472 1472
1473 if (pci_enable_device(pdev))
1474 return r;
1475
1476 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC); 1473 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
1477 if (ioc == NULL) { 1474 if (ioc == NULL) {
1478 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); 1475 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
@@ -1482,6 +1479,20 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1482 ioc->id = mpt_ids++; 1479 ioc->id = mpt_ids++;
1483 sprintf(ioc->name, "ioc%d", ioc->id); 1480 sprintf(ioc->name, "ioc%d", ioc->id);
1484 1481
1482 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1483 if (pci_enable_device_mem(pdev)) {
1484 kfree(ioc);
1485 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
1486 "failed\n", ioc->name);
1487 return r;
1488 }
1489 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
1490 kfree(ioc);
1491 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
1492 "MEM failed\n", ioc->name);
1493 return r;
1494 }
1495
1485 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name)); 1496 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1486 1497
1487 if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) { 1498 if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
@@ -1658,6 +1669,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
1658 ioc->active = 0; 1669 ioc->active = 0;
1659 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1670 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1660 1671
1672 /* Set IOC ptr in the pcidev's driver data. */
1673 pci_set_drvdata(ioc->pcidev, ioc);
1674
1661 /* Set lookup ptr. */ 1675 /* Set lookup ptr. */
1662 list_add_tail(&ioc->list, &ioc_list); 1676 list_add_tail(&ioc->list, &ioc_list);
1663 1677
@@ -1791,6 +1805,7 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state)
1791 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1805 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
1792 1806
1793 pci_disable_device(pdev); 1807 pci_disable_device(pdev);
1808 pci_release_selected_regions(pdev, ioc->bars);
1794 pci_set_power_state(pdev, device_state); 1809 pci_set_power_state(pdev, device_state);
1795 1810
1796 return 0; 1811 return 0;
@@ -1807,7 +1822,6 @@ mpt_resume(struct pci_dev *pdev)
1807 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 1822 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1808 u32 device_state = pdev->current_state; 1823 u32 device_state = pdev->current_state;
1809 int recovery_state; 1824 int recovery_state;
1810 int err;
1811 1825
1812 printk(MYIOC_s_INFO_FMT 1826 printk(MYIOC_s_INFO_FMT
1813 "pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n", 1827 "pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n",
@@ -1815,9 +1829,18 @@ mpt_resume(struct pci_dev *pdev)
1815 1829
1816 pci_set_power_state(pdev, 0); 1830 pci_set_power_state(pdev, 0);
1817 pci_restore_state(pdev); 1831 pci_restore_state(pdev);
1818 err = pci_enable_device(pdev); 1832 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) {
1819 if (err) 1833 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
1820 return err; 1834 IORESOURCE_IO);
1835 if (pci_enable_device(pdev))
1836 return 0;
1837 } else {
1838 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1839 if (pci_enable_device_mem(pdev))
1840 return 0;
1841 }
1842 if (pci_request_selected_regions(pdev, ioc->bars, "mpt"))
1843 return 0;
1821 1844
1822 /* enable interrupts */ 1845 /* enable interrupts */
1823 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); 1846 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
@@ -1878,6 +1901,7 @@ mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
1878 * -2 if READY but IOCFacts Failed 1901 * -2 if READY but IOCFacts Failed
1879 * -3 if READY but PrimeIOCFifos Failed 1902 * -3 if READY but PrimeIOCFifos Failed
1880 * -4 if READY but IOCInit Failed 1903 * -4 if READY but IOCInit Failed
1904 * -5 if failed to enable_device and/or request_selected_regions
1881 */ 1905 */
1882static int 1906static int
1883mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) 1907mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
@@ -1976,6 +2000,18 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
1976 } 2000 }
1977 } 2001 }
1978 2002
2003 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
2004 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
2005 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2006 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
2007 IORESOURCE_IO);
2008 if (pci_enable_device(ioc->pcidev))
2009 return -5;
2010 if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
2011 "mpt"))
2012 return -5;
2013 }
2014
1979 /* 2015 /*
1980 * Device is reset now. It must have de-asserted the interrupt line 2016 * Device is reset now. It must have de-asserted the interrupt line
1981 * (if it was asserted) and it should be safe to register for the 2017 * (if it was asserted) and it should be safe to register for the
@@ -1999,7 +2035,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
1999 irq_allocated = 1; 2035 irq_allocated = 1;
2000 ioc->pci_irq = ioc->pcidev->irq; 2036 ioc->pci_irq = ioc->pcidev->irq;
2001 pci_set_master(ioc->pcidev); /* ?? */ 2037 pci_set_master(ioc->pcidev); /* ?? */
2002 pci_set_drvdata(ioc->pcidev, ioc);
2003 dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt " 2038 dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
2004 "%d\n", ioc->name, ioc->pcidev->irq)); 2039 "%d\n", ioc->name, ioc->pcidev->irq));
2005 } 2040 }
@@ -2381,6 +2416,9 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc)
2381 ioc->memmap = NULL; 2416 ioc->memmap = NULL;
2382 } 2417 }
2383 2418
2419 pci_disable_device(ioc->pcidev);
2420 pci_release_selected_regions(ioc->pcidev, ioc->bars);
2421
2384#if defined(CONFIG_MTRR) && 0 2422#if defined(CONFIG_MTRR) && 0
2385 if (ioc->mtrr_reg > 0) { 2423 if (ioc->mtrr_reg > 0) {
2386 mtrr_del(ioc->mtrr_reg, 0, 0); 2424 mtrr_del(ioc->mtrr_reg, 0, 0);
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index b49b706c0020..d83ea96fe135 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -629,6 +629,7 @@ typedef struct _MPT_ADAPTER
629 dma_addr_t HostPageBuffer_dma; 629 dma_addr_t HostPageBuffer_dma;
630 int mtrr_reg; 630 int mtrr_reg;
631 struct pci_dev *pcidev; /* struct pci_dev pointer */ 631 struct pci_dev *pcidev; /* struct pci_dev pointer */
632 int bars; /* bitmask of BAR's that must be configured */
632 u8 __iomem *memmap; /* mmap address */ 633 u8 __iomem *memmap; /* mmap address */
633 struct Scsi_Host *sh; /* Scsi Host pointer */ 634 struct Scsi_Host *sh; /* Scsi Host pointer */
634 SpiCfgData spi_data; /* Scsi config. data */ 635 SpiCfgData spi_data; /* Scsi config. data */
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index a5f0aaaf0dd4..a7a0813b24cb 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -722,7 +722,7 @@ config SCSI_FD_MCS
722 722
723config SCSI_GDTH 723config SCSI_GDTH
724 tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support" 724 tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support"
725 depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API && PCI_LEGACY 725 depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
726 ---help--- 726 ---help---
727 Formerly called GDT SCSI Disk Array Controller Support. 727 Formerly called GDT SCSI Disk Array Controller Support.
728 728
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index bfd0e64964ac..c05092fd3a9d 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -144,51 +144,77 @@ static char *aac_get_status_string(u32 status);
144 */ 144 */
145 145
146static int nondasd = -1; 146static int nondasd = -1;
147static int aac_cache = 0; 147static int aac_cache;
148static int dacmode = -1; 148static int dacmode = -1;
149 149int aac_msi;
150int aac_commit = -1; 150int aac_commit = -1;
151int startup_timeout = 180; 151int startup_timeout = 180;
152int aif_timeout = 120; 152int aif_timeout = 120;
153 153
154module_param(nondasd, int, S_IRUGO|S_IWUSR); 154module_param(nondasd, int, S_IRUGO|S_IWUSR);
155MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); 155MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
156 " 0=off, 1=on");
156module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR); 157module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
157MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n\tbit 0 - Disable FUA in WRITE SCSI commands\n\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n\tbit 2 - Disable only if Battery not protecting Cache"); 158MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
159 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
160 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
161 "\tbit 2 - Disable only if Battery not protecting Cache");
158module_param(dacmode, int, S_IRUGO|S_IWUSR); 162module_param(dacmode, int, S_IRUGO|S_IWUSR);
159MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); 163MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
164 " 0=off, 1=on");
160module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); 165module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
161MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); 166MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
167 " adapter for foreign arrays.\n"
168 "This is typically needed in systems that do not have a BIOS."
169 " 0=off, 1=on");
170module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
171MODULE_PARM_DESC(msi, "IRQ handling."
172 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
162module_param(startup_timeout, int, S_IRUGO|S_IWUSR); 173module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
163MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS."); 174MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
175 " adapter to have it's kernel up and\n"
176 "running. This is typically adjusted for large systems that do not"
177 " have a BIOS.");
164module_param(aif_timeout, int, S_IRUGO|S_IWUSR); 178module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
165MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems."); 179MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
180 " applications to pick up AIFs before\n"
181 "deregistering them. This is typically adjusted for heavily burdened"
182 " systems.");
166 183
167int numacb = -1; 184int numacb = -1;
168module_param(numacb, int, S_IRUGO|S_IWUSR); 185module_param(numacb, int, S_IRUGO|S_IWUSR);
169MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware."); 186MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
187 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
188 " to use suggestion from Firmware.");
170 189
171int acbsize = -1; 190int acbsize = -1;
172module_param(acbsize, int, S_IRUGO|S_IWUSR); 191module_param(acbsize, int, S_IRUGO|S_IWUSR);
173MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware."); 192MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
193 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
194 " suggestion from Firmware.");
174 195
175int update_interval = 30 * 60; 196int update_interval = 30 * 60;
176module_param(update_interval, int, S_IRUGO|S_IWUSR); 197module_param(update_interval, int, S_IRUGO|S_IWUSR);
177MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter."); 198MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
199 " updates issued to adapter.");
178 200
179int check_interval = 24 * 60 * 60; 201int check_interval = 24 * 60 * 60;
180module_param(check_interval, int, S_IRUGO|S_IWUSR); 202module_param(check_interval, int, S_IRUGO|S_IWUSR);
181MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks."); 203MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
204 " checks.");
182 205
183int aac_check_reset = 1; 206int aac_check_reset = 1;
184module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR); 207module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
185MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter. a value of -1 forces the reset to adapters programmed to ignore it."); 208MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the"
209 " adapter. a value of -1 forces the reset to adapters programmed to"
210 " ignore it.");
186 211
187int expose_physicals = -1; 212int expose_physicals = -1;
188module_param(expose_physicals, int, S_IRUGO|S_IWUSR); 213module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
189MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on"); 214MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
215 " -1=protect 0=off, 1=on");
190 216
191int aac_reset_devices = 0; 217int aac_reset_devices;
192module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR); 218module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
193MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization."); 219MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
194 220
@@ -1315,7 +1341,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
1315 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid), 1341 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1316 dev->supplement_adapter_info.VpdInfo.Tsid); 1342 dev->supplement_adapter_info.VpdInfo.Tsid);
1317 } 1343 }
1318 if (!aac_check_reset || ((aac_check_reset != 1) && 1344 if (!aac_check_reset || ((aac_check_reset == 1) &&
1319 (dev->supplement_adapter_info.SupportedOptions2 & 1345 (dev->supplement_adapter_info.SupportedOptions2 &
1320 AAC_OPTION_IGNORE_RESET))) { 1346 AAC_OPTION_IGNORE_RESET))) {
1321 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n", 1347 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
@@ -1353,13 +1379,14 @@ int aac_get_adapter_info(struct aac_dev* dev)
1353 1379
1354 if (nondasd != -1) 1380 if (nondasd != -1)
1355 dev->nondasd_support = (nondasd!=0); 1381 dev->nondasd_support = (nondasd!=0);
1356 if(dev->nondasd_support != 0) { 1382 if (dev->nondasd_support && !dev->in_reset)
1357 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); 1383 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1358 }
1359 1384
1360 dev->dac_support = 0; 1385 dev->dac_support = 0;
1361 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){ 1386 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1362 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id); 1387 if (!dev->in_reset)
1388 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1389 dev->name, dev->id);
1363 dev->dac_support = 1; 1390 dev->dac_support = 1;
1364 } 1391 }
1365 1392
@@ -1369,8 +1396,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
1369 if(dev->dac_support != 0) { 1396 if(dev->dac_support != 0) {
1370 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) && 1397 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1371 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) { 1398 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1372 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n", 1399 if (!dev->in_reset)
1373 dev->name, dev->id); 1400 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1401 dev->name, dev->id);
1374 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) && 1402 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1375 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) { 1403 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1376 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n", 1404 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 3195d29f2177..ace0b751c131 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1026,6 +1026,7 @@ struct aac_dev
1026 u8 raw_io_64; 1026 u8 raw_io_64;
1027 u8 printf_enabled; 1027 u8 printf_enabled;
1028 u8 in_reset; 1028 u8 in_reset;
1029 u8 msi;
1029}; 1030};
1030 1031
1031#define aac_adapter_interrupt(dev) \ 1032#define aac_adapter_interrupt(dev) \
@@ -1881,6 +1882,7 @@ extern int startup_timeout;
1881extern int aif_timeout; 1882extern int aif_timeout;
1882extern int expose_physicals; 1883extern int expose_physicals;
1883extern int aac_reset_devices; 1884extern int aac_reset_devices;
1885extern int aac_msi;
1884extern int aac_commit; 1886extern int aac_commit;
1885extern int update_interval; 1887extern int update_interval;
1886extern int check_interval; 1888extern int check_interval;
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 81b36923e0ef..47434499e82b 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -1458,7 +1458,7 @@ int aac_check_health(struct aac_dev * aac)
1458 1458
1459 printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED); 1459 printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
1460 1460
1461 if (!aac_check_reset || ((aac_check_reset != 1) && 1461 if (!aac_check_reset || ((aac_check_reset == 1) &&
1462 (aac->supplement_adapter_info.SupportedOptions2 & 1462 (aac->supplement_adapter_info.SupportedOptions2 &
1463 AAC_OPTION_IGNORE_RESET))) 1463 AAC_OPTION_IGNORE_RESET)))
1464 goto out; 1464 goto out;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index e80d2a0c46af..ae5f74fb62d5 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -275,9 +275,9 @@ static const char *aac_info(struct Scsi_Host *shost)
275 275
276/** 276/**
277 * aac_get_driver_ident 277 * aac_get_driver_ident
278 * @devtype: index into lookup table 278 * @devtype: index into lookup table
279 * 279 *
280 * Returns a pointer to the entry in the driver lookup table. 280 * Returns a pointer to the entry in the driver lookup table.
281 */ 281 */
282 282
283struct aac_driver_ident* aac_get_driver_ident(int devtype) 283struct aac_driver_ident* aac_get_driver_ident(int devtype)
@@ -494,13 +494,14 @@ static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
494 494
495static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 495static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
496{ 496{
497 struct scsi_device * sdev = to_scsi_device(dev); 497 struct scsi_device *sdev = to_scsi_device(dev);
498 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
498 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 499 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
499 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 500 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
500 ? "Hidden\n" : "JBOD"); 501 ? "Hidden\n" :
502 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
501 return snprintf(buf, PAGE_SIZE, "%s\n", 503 return snprintf(buf, PAGE_SIZE, "%s\n",
502 get_container_type(((struct aac_dev *)(sdev->host->hostdata)) 504 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
503 ->fsa_dev[sdev_id(sdev)].type));
504} 505}
505 506
506static struct device_attribute aac_raid_level_attr = { 507static struct device_attribute aac_raid_level_attr = {
@@ -641,7 +642,7 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
641 AAC_OPTION_MU_RESET) && 642 AAC_OPTION_MU_RESET) &&
642 aac_check_reset && 643 aac_check_reset &&
643 ((aac_check_reset != 1) || 644 ((aac_check_reset != 1) ||
644 (aac->supplement_adapter_info.SupportedOptions2 & 645 !(aac->supplement_adapter_info.SupportedOptions2 &
645 AAC_OPTION_IGNORE_RESET))) 646 AAC_OPTION_IGNORE_RESET)))
646 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 647 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
647 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 648 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
@@ -860,8 +861,8 @@ ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
860 le32_to_cpu(dev->adapter_info.serial[0])); 861 le32_to_cpu(dev->adapter_info.serial[0]));
861 if (len && 862 if (len &&
862 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 863 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
863 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len], 864 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
864 buf, len)) 865 buf, len-1))
865 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 866 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
866 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 867 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
867 dev->supplement_adapter_info.MfgPcbaSerialNo); 868 dev->supplement_adapter_info.MfgPcbaSerialNo);
@@ -1004,32 +1005,32 @@ static const struct file_operations aac_cfg_fops = {
1004 1005
1005static struct scsi_host_template aac_driver_template = { 1006static struct scsi_host_template aac_driver_template = {
1006 .module = THIS_MODULE, 1007 .module = THIS_MODULE,
1007 .name = "AAC", 1008 .name = "AAC",
1008 .proc_name = AAC_DRIVERNAME, 1009 .proc_name = AAC_DRIVERNAME,
1009 .info = aac_info, 1010 .info = aac_info,
1010 .ioctl = aac_ioctl, 1011 .ioctl = aac_ioctl,
1011#ifdef CONFIG_COMPAT 1012#ifdef CONFIG_COMPAT
1012 .compat_ioctl = aac_compat_ioctl, 1013 .compat_ioctl = aac_compat_ioctl,
1013#endif 1014#endif
1014 .queuecommand = aac_queuecommand, 1015 .queuecommand = aac_queuecommand,
1015 .bios_param = aac_biosparm, 1016 .bios_param = aac_biosparm,
1016 .shost_attrs = aac_attrs, 1017 .shost_attrs = aac_attrs,
1017 .slave_configure = aac_slave_configure, 1018 .slave_configure = aac_slave_configure,
1018 .change_queue_depth = aac_change_queue_depth, 1019 .change_queue_depth = aac_change_queue_depth,
1019 .sdev_attrs = aac_dev_attrs, 1020 .sdev_attrs = aac_dev_attrs,
1020 .eh_abort_handler = aac_eh_abort, 1021 .eh_abort_handler = aac_eh_abort,
1021 .eh_host_reset_handler = aac_eh_reset, 1022 .eh_host_reset_handler = aac_eh_reset,
1022 .can_queue = AAC_NUM_IO_FIB, 1023 .can_queue = AAC_NUM_IO_FIB,
1023 .this_id = MAXIMUM_NUM_CONTAINERS, 1024 .this_id = MAXIMUM_NUM_CONTAINERS,
1024 .sg_tablesize = 16, 1025 .sg_tablesize = 16,
1025 .max_sectors = 128, 1026 .max_sectors = 128,
1026#if (AAC_NUM_IO_FIB > 256) 1027#if (AAC_NUM_IO_FIB > 256)
1027 .cmd_per_lun = 256, 1028 .cmd_per_lun = 256,
1028#else 1029#else
1029 .cmd_per_lun = AAC_NUM_IO_FIB, 1030 .cmd_per_lun = AAC_NUM_IO_FIB,
1030#endif 1031#endif
1031 .use_clustering = ENABLE_CLUSTERING, 1032 .use_clustering = ENABLE_CLUSTERING,
1032 .emulated = 1, 1033 .emulated = 1,
1033}; 1034};
1034 1035
1035static void __aac_shutdown(struct aac_dev * aac) 1036static void __aac_shutdown(struct aac_dev * aac)
@@ -1039,6 +1040,8 @@ static void __aac_shutdown(struct aac_dev * aac)
1039 aac_send_shutdown(aac); 1040 aac_send_shutdown(aac);
1040 aac_adapter_disable_int(aac); 1041 aac_adapter_disable_int(aac);
1041 free_irq(aac->pdev->irq, aac); 1042 free_irq(aac->pdev->irq, aac);
1043 if (aac->msi)
1044 pci_disable_msi(aac->pdev);
1042} 1045}
1043 1046
1044static int __devinit aac_probe_one(struct pci_dev *pdev, 1047static int __devinit aac_probe_one(struct pci_dev *pdev,
@@ -1254,7 +1257,7 @@ static struct pci_driver aac_pci_driver = {
1254 .id_table = aac_pci_tbl, 1257 .id_table = aac_pci_tbl,
1255 .probe = aac_probe_one, 1258 .probe = aac_probe_one,
1256 .remove = __devexit_p(aac_remove_one), 1259 .remove = __devexit_p(aac_remove_one),
1257 .shutdown = aac_shutdown, 1260 .shutdown = aac_shutdown,
1258}; 1261};
1259 1262
1260static int __init aac_init(void) 1263static int __init aac_init(void)
@@ -1271,7 +1274,7 @@ static int __init aac_init(void)
1271 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1274 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1272 if (aac_cfg_major < 0) { 1275 if (aac_cfg_major < 0) {
1273 printk(KERN_WARNING 1276 printk(KERN_WARNING
1274 "aacraid: unable to register \"aac\" device.\n"); 1277 "aacraid: unable to register \"aac\" device.\n");
1275 } 1278 }
1276 1279
1277 return 0; 1280 return 0;
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index a08bbf1fd76c..1f18b83e1e02 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -625,8 +625,11 @@ int _aac_rx_init(struct aac_dev *dev)
625 if (aac_init_adapter(dev) == NULL) 625 if (aac_init_adapter(dev) == NULL)
626 goto error_iounmap; 626 goto error_iounmap;
627 aac_adapter_comm(dev, dev->comm_interface); 627 aac_adapter_comm(dev, dev->comm_interface);
628 if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr, 628 dev->msi = aac_msi && !pci_enable_msi(dev->pdev);
629 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
629 IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) { 630 IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) {
631 if (dev->msi)
632 pci_disable_msi(dev->pdev);
630 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", 633 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
631 name, instance); 634 name, instance);
632 goto error_iounmap; 635 goto error_iounmap;
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 85b91bc578c9..cfc3410ec073 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -31,6 +31,7 @@
31#include <linux/kernel.h> 31#include <linux/kernel.h>
32#include <linux/init.h> 32#include <linux/init.h>
33#include <linux/types.h> 33#include <linux/types.h>
34#include <linux/pci.h>
34#include <linux/spinlock.h> 35#include <linux/spinlock.h>
35#include <linux/slab.h> 36#include <linux/slab.h>
36#include <linux/blkdev.h> 37#include <linux/blkdev.h>
@@ -385,7 +386,7 @@ int aac_sa_init(struct aac_dev *dev)
385 386
386 if(aac_init_adapter(dev) == NULL) 387 if(aac_init_adapter(dev) == NULL)
387 goto error_irq; 388 goto error_irq;
388 if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr, 389 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
389 IRQF_SHARED|IRQF_DISABLED, 390 IRQF_SHARED|IRQF_DISABLED,
390 "aacraid", (void *)dev ) < 0) { 391 "aacraid", (void *)dev ) < 0) {
391 printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", 392 printk(KERN_WARNING "%s%d: Interrupt unavailable.\n",
@@ -403,7 +404,7 @@ int aac_sa_init(struct aac_dev *dev)
403 404
404error_irq: 405error_irq:
405 aac_sa_disable_interrupt(dev); 406 aac_sa_disable_interrupt(dev);
406 free_irq(dev->scsi_host_ptr->irq, (void *)dev); 407 free_irq(dev->pdev->irq, (void *)dev);
407 408
408error_iounmap: 409error_iounmap:
409 410
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index ccef891d642f..3c2d6888bb8c 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -566,7 +566,7 @@ typedef struct asc_dvc_var {
566 ASC_SCSI_BIT_ID_TYPE unit_not_ready; 566 ASC_SCSI_BIT_ID_TYPE unit_not_ready;
567 ASC_SCSI_BIT_ID_TYPE queue_full_or_busy; 567 ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
568 ASC_SCSI_BIT_ID_TYPE start_motor; 568 ASC_SCSI_BIT_ID_TYPE start_motor;
569 uchar overrun_buf[ASC_OVERRUN_BSIZE] __aligned(8); 569 uchar *overrun_buf;
570 dma_addr_t overrun_dma; 570 dma_addr_t overrun_dma;
571 uchar scsi_reset_wait; 571 uchar scsi_reset_wait;
572 uchar chip_no; 572 uchar chip_no;
@@ -13833,6 +13833,12 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
13833 */ 13833 */
13834 if (ASC_NARROW_BOARD(boardp)) { 13834 if (ASC_NARROW_BOARD(boardp)) {
13835 ASC_DBG(2, "AscInitAsc1000Driver()\n"); 13835 ASC_DBG(2, "AscInitAsc1000Driver()\n");
13836
13837 asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
13838 if (!asc_dvc_varp->overrun_buf) {
13839 ret = -ENOMEM;
13840 goto err_free_wide_mem;
13841 }
13836 warn_code = AscInitAsc1000Driver(asc_dvc_varp); 13842 warn_code = AscInitAsc1000Driver(asc_dvc_varp);
13837 13843
13838 if (warn_code || asc_dvc_varp->err_code) { 13844 if (warn_code || asc_dvc_varp->err_code) {
@@ -13840,8 +13846,10 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
13840 "warn 0x%x, error 0x%x\n", 13846 "warn 0x%x, error 0x%x\n",
13841 asc_dvc_varp->init_state, warn_code, 13847 asc_dvc_varp->init_state, warn_code,
13842 asc_dvc_varp->err_code); 13848 asc_dvc_varp->err_code);
13843 if (asc_dvc_varp->err_code) 13849 if (asc_dvc_varp->err_code) {
13844 ret = -ENODEV; 13850 ret = -ENODEV;
13851 kfree(asc_dvc_varp->overrun_buf);
13852 }
13845 } 13853 }
13846 } else { 13854 } else {
13847 if (advansys_wide_init_chip(shost)) 13855 if (advansys_wide_init_chip(shost))
@@ -13894,6 +13902,7 @@ static int advansys_release(struct Scsi_Host *shost)
13894 dma_unmap_single(board->dev, 13902 dma_unmap_single(board->dev,
13895 board->dvc_var.asc_dvc_var.overrun_dma, 13903 board->dvc_var.asc_dvc_var.overrun_dma,
13896 ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE); 13904 ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
13905 kfree(board->dvc_var.asc_dvc_var.overrun_buf);
13897 } else { 13906 } else {
13898 iounmap(board->ioremap_addr); 13907 iounmap(board->ioremap_addr);
13899 advansys_wide_free_mem(board); 13908 advansys_wide_free_mem(board);
diff --git a/drivers/scsi/aic94xx/aic94xx_sas.h b/drivers/scsi/aic94xx/aic94xx_sas.h
index fa7c5290257d..912e6b755f74 100644
--- a/drivers/scsi/aic94xx/aic94xx_sas.h
+++ b/drivers/scsi/aic94xx/aic94xx_sas.h
@@ -292,7 +292,7 @@ struct scb_header {
292#define INITIATE_SSP_TASK 0x00 292#define INITIATE_SSP_TASK 0x00
293#define INITIATE_LONG_SSP_TASK 0x01 293#define INITIATE_LONG_SSP_TASK 0x01
294#define INITIATE_BIDIR_SSP_TASK 0x02 294#define INITIATE_BIDIR_SSP_TASK 0x02
295#define ABORT_TASK 0x03 295#define SCB_ABORT_TASK 0x03
296#define INITIATE_SSP_TMF 0x04 296#define INITIATE_SSP_TMF 0x04
297#define SSP_TARG_GET_DATA 0x05 297#define SSP_TARG_GET_DATA 0x05
298#define SSP_TARG_GET_DATA_GOOD 0x06 298#define SSP_TARG_GET_DATA_GOOD 0x06
diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c
index 87b2f6e6adfe..b52124f3d3ac 100644
--- a/drivers/scsi/aic94xx/aic94xx_tmf.c
+++ b/drivers/scsi/aic94xx/aic94xx_tmf.c
@@ -369,7 +369,7 @@ int asd_abort_task(struct sas_task *task)
369 return -ENOMEM; 369 return -ENOMEM;
370 scb = ascb->scb; 370 scb = ascb->scb;
371 371
372 scb->header.opcode = ABORT_TASK; 372 scb->header.opcode = SCB_ABORT_TASK;
373 373
374 switch (task->task_proto) { 374 switch (task->task_proto) {
375 case SAS_PROTOCOL_SATA: 375 case SAS_PROTOCOL_SATA:
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index fb5f20284389..a715632e19d4 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -2018,6 +2018,7 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
2018 * the upper layers to process. This would have been set 2018 * the upper layers to process. This would have been set
2019 * correctly by fas216_std_done. 2019 * correctly by fas216_std_done.
2020 */ 2020 */
2021 scsi_eh_restore_cmnd(SCpnt, &info->ses);
2021 SCpnt->scsi_done(SCpnt); 2022 SCpnt->scsi_done(SCpnt);
2022} 2023}
2023 2024
@@ -2103,23 +2104,12 @@ request_sense:
2103 if (SCpnt->cmnd[0] == REQUEST_SENSE) 2104 if (SCpnt->cmnd[0] == REQUEST_SENSE)
2104 goto done; 2105 goto done;
2105 2106
2107 scsi_eh_prep_cmnd(SCpnt, &info->ses, NULL, 0, ~0);
2106 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, 2108 fas216_log_target(info, LOG_CONNECT, SCpnt->device->id,
2107 "requesting sense"); 2109 "requesting sense");
2108 memset(SCpnt->cmnd, 0, sizeof (SCpnt->cmnd)); 2110 init_SCp(SCpnt);
2109 SCpnt->cmnd[0] = REQUEST_SENSE;
2110 SCpnt->cmnd[1] = SCpnt->device->lun << 5;
2111 SCpnt->cmnd[4] = sizeof(SCpnt->sense_buffer);
2112 SCpnt->cmd_len = COMMAND_SIZE(SCpnt->cmnd[0]);
2113 SCpnt->SCp.buffer = NULL;
2114 SCpnt->SCp.buffers_residual = 0;
2115 SCpnt->SCp.ptr = (char *)SCpnt->sense_buffer;
2116 SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer);
2117 SCpnt->SCp.phase = sizeof(SCpnt->sense_buffer);
2118 SCpnt->SCp.Message = 0; 2111 SCpnt->SCp.Message = 0;
2119 SCpnt->SCp.Status = 0; 2112 SCpnt->SCp.Status = 0;
2120 SCpnt->request_bufflen = sizeof(SCpnt->sense_buffer);
2121 SCpnt->sc_data_direction = DMA_FROM_DEVICE;
2122 SCpnt->use_sg = 0;
2123 SCpnt->tag = 0; 2113 SCpnt->tag = 0;
2124 SCpnt->host_scribble = (void *)fas216_rq_sns_done; 2114 SCpnt->host_scribble = (void *)fas216_rq_sns_done;
2125 2115
diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h
index 00e5f055afdc..3e73e264972e 100644
--- a/drivers/scsi/arm/fas216.h
+++ b/drivers/scsi/arm/fas216.h
@@ -16,6 +16,8 @@
16#define NO_IRQ 255 16#define NO_IRQ 255
17#endif 17#endif
18 18
19#include <scsi/scsi_eh.h>
20
19#include "queue.h" 21#include "queue.h"
20#include "msgqueue.h" 22#include "msgqueue.h"
21 23
@@ -311,6 +313,7 @@ typedef struct {
311 313
312 /* miscellaneous */ 314 /* miscellaneous */
313 int internal_done; /* flag to indicate request done */ 315 int internal_done; /* flag to indicate request done */
316 struct scsi_eh_save *ses; /* holds request sense restore info */
314 unsigned long magic_end; 317 unsigned long magic_end;
315} FAS216_Info; 318} FAS216_Info;
316 319
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index c82523908c2e..6d67f5c0eb8e 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -642,12 +642,15 @@ static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
642 *cnt, vendor, device)); 642 *cnt, vendor, device));
643 643
644 pdev = NULL; 644 pdev = NULL;
645 while ((pdev = pci_find_device(vendor, device, pdev)) 645 while ((pdev = pci_get_device(vendor, device, pdev))
646 != NULL) { 646 != NULL) {
647 if (pci_enable_device(pdev)) 647 if (pci_enable_device(pdev))
648 continue; 648 continue;
649 if (*cnt >= MAXHA) 649 if (*cnt >= MAXHA) {
650 pci_dev_put(pdev);
650 return; 651 return;
652 }
653
651 /* GDT PCI controller found, resources are already in pdev */ 654 /* GDT PCI controller found, resources are already in pdev */
652 pcistr[*cnt].pdev = pdev; 655 pcistr[*cnt].pdev = pdev;
653 pcistr[*cnt].irq = pdev->irq; 656 pcistr[*cnt].irq = pdev->irq;
@@ -4836,6 +4839,9 @@ static int __init gdth_isa_probe_one(ulong32 isa_bios)
4836 if (error) 4839 if (error)
4837 goto out_free_coal_stat; 4840 goto out_free_coal_stat;
4838 list_add_tail(&ha->list, &gdth_instances); 4841 list_add_tail(&ha->list, &gdth_instances);
4842
4843 scsi_scan_host(shp);
4844
4839 return 0; 4845 return 0;
4840 4846
4841 out_free_coal_stat: 4847 out_free_coal_stat:
@@ -4963,6 +4969,9 @@ static int __init gdth_eisa_probe_one(ushort eisa_slot)
4963 if (error) 4969 if (error)
4964 goto out_free_coal_stat; 4970 goto out_free_coal_stat;
4965 list_add_tail(&ha->list, &gdth_instances); 4971 list_add_tail(&ha->list, &gdth_instances);
4972
4973 scsi_scan_host(shp);
4974
4966 return 0; 4975 return 0;
4967 4976
4968 out_free_ccb_phys: 4977 out_free_ccb_phys:
@@ -5100,6 +5109,9 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
5100 if (error) 5109 if (error)
5101 goto out_free_coal_stat; 5110 goto out_free_coal_stat;
5102 list_add_tail(&ha->list, &gdth_instances); 5111 list_add_tail(&ha->list, &gdth_instances);
5112
5113 scsi_scan_host(shp);
5114
5103 return 0; 5115 return 0;
5104 5116
5105 out_free_coal_stat: 5117 out_free_coal_stat:
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 83567b9755b4..2ab2d24dcc15 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -307,6 +307,7 @@ struct lpfc_vport {
307 307
308 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */ 308 uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
309 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */ 309 uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
310 uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
310 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN]; 311 struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
311 struct lpfc_name fc_nodename; /* fc nodename */ 312 struct lpfc_name fc_nodename; /* fc nodename */
312 struct lpfc_name fc_portname; /* fc portname */ 313 struct lpfc_name fc_portname; /* fc portname */
@@ -392,6 +393,13 @@ enum hba_temp_state {
392 HBA_OVER_TEMP 393 HBA_OVER_TEMP
393}; 394};
394 395
396enum intr_type_t {
397 NONE = 0,
398 INTx,
399 MSI,
400 MSIX,
401};
402
395struct lpfc_hba { 403struct lpfc_hba {
396 struct lpfc_sli sli; 404 struct lpfc_sli sli;
397 uint32_t sli_rev; /* SLI2 or SLI3 */ 405 uint32_t sli_rev; /* SLI2 or SLI3 */
@@ -409,7 +417,7 @@ struct lpfc_hba {
409 /* This flag is set while issuing */ 417 /* This flag is set while issuing */
410 /* INIT_LINK mailbox command */ 418 /* INIT_LINK mailbox command */
411#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ 419#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
412#define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */ 420#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
413 421
414 struct lpfc_sli2_slim *slim2p; 422 struct lpfc_sli2_slim *slim2p;
415 struct lpfc_dmabuf hbqslimp; 423 struct lpfc_dmabuf hbqslimp;
@@ -487,6 +495,8 @@ struct lpfc_hba {
487 wait_queue_head_t *work_wait; 495 wait_queue_head_t *work_wait;
488 struct task_struct *worker_thread; 496 struct task_struct *worker_thread;
489 497
498 uint32_t hbq_in_use; /* HBQs in use flag */
499 struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */
490 uint32_t hbq_count; /* Count of configured HBQs */ 500 uint32_t hbq_count; /* Count of configured HBQs */
491 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */ 501 struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
492 502
@@ -555,7 +565,8 @@ struct lpfc_hba {
555 mempool_t *nlp_mem_pool; 565 mempool_t *nlp_mem_pool;
556 566
557 struct fc_host_statistics link_stats; 567 struct fc_host_statistics link_stats;
558 uint8_t using_msi; 568 enum intr_type_t intr_type;
569 struct msix_entry msix_entries[1];
559 570
560 struct list_head port_list; 571 struct list_head port_list;
561 struct lpfc_vport *pport; /* physical lpfc_vport pointer */ 572 struct lpfc_vport *pport; /* physical lpfc_vport pointer */
@@ -595,6 +606,8 @@ struct lpfc_hba {
595 unsigned long last_completion_time; 606 unsigned long last_completion_time;
596 struct timer_list hb_tmofunc; 607 struct timer_list hb_tmofunc;
597 uint8_t hb_outstanding; 608 uint8_t hb_outstanding;
609 /* ndlp reference management */
610 spinlock_t ndlp_lock;
598 /* 611 /*
599 * Following bit will be set for all buffer tags which are not 612 * Following bit will be set for all buffer tags which are not
600 * associated with any HBQ. 613 * associated with any HBQ.
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 4bae4a2ed2f1..b12a841703ca 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1191,7 +1191,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
1191 shost = lpfc_shost_from_vport(vport); 1191 shost = lpfc_shost_from_vport(vport);
1192 spin_lock_irq(shost->host_lock); 1192 spin_lock_irq(shost->host_lock);
1193 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) 1193 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
1194 if (ndlp->rport) 1194 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
1195 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo; 1195 ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
1196 spin_unlock_irq(shost->host_lock); 1196 spin_unlock_irq(shost->host_lock);
1197} 1197}
@@ -1592,9 +1592,11 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
1592# support this feature 1592# support this feature
1593# 0 = MSI disabled (default) 1593# 0 = MSI disabled (default)
1594# 1 = MSI enabled 1594# 1 = MSI enabled
1595# Value range is [0,1]. Default value is 0. 1595# 2 = MSI-X enabled
1596# Value range is [0,2]. Default value is 0.
1596*/ 1597*/
1597LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); 1598LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
1599 "MSI-X (2), if possible");
1598 1600
1599/* 1601/*
1600# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. 1602# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
@@ -1946,11 +1948,13 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
1946 } 1948 }
1947 1949
1948 /* If HBA encountered an error attention, allow only DUMP 1950 /* If HBA encountered an error attention, allow only DUMP
1949 * mailbox command until the HBA is restarted. 1951 * or RESTART mailbox commands until the HBA is restarted.
1950 */ 1952 */
1951 if ((phba->pport->stopped) && 1953 if ((phba->pport->stopped) &&
1952 (phba->sysfs_mbox.mbox->mb.mbxCommand 1954 (phba->sysfs_mbox.mbox->mb.mbxCommand !=
1953 != MBX_DUMP_MEMORY)) { 1955 MBX_DUMP_MEMORY &&
1956 phba->sysfs_mbox.mbox->mb.mbxCommand !=
1957 MBX_RESTART)) {
1954 sysfs_mbox_idle(phba); 1958 sysfs_mbox_idle(phba);
1955 spin_unlock_irq(&phba->hbalock); 1959 spin_unlock_irq(&phba->hbalock);
1956 return -EPERM; 1960 return -EPERM;
@@ -2384,7 +2388,8 @@ lpfc_get_node_by_target(struct scsi_target *starget)
2384 spin_lock_irq(shost->host_lock); 2388 spin_lock_irq(shost->host_lock);
2385 /* Search for this, mapped, target ID */ 2389 /* Search for this, mapped, target ID */
2386 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 2390 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2387 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && 2391 if (NLP_CHK_NODE_ACT(ndlp) &&
2392 ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
2388 starget->id == ndlp->nlp_sid) { 2393 starget->id == ndlp->nlp_sid) {
2389 spin_unlock_irq(shost->host_lock); 2394 spin_unlock_irq(shost->host_lock);
2390 return ndlp; 2395 return ndlp;
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 50fcb7c930bc..848d97744b4d 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * * 7 * *
@@ -53,7 +53,11 @@ void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
53void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 53void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
54void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 54void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
55void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); 55void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
56void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
56void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *); 57void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
58void lpfc_disable_node(struct lpfc_vport *, struct lpfc_nodelist *);
59struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
60 struct lpfc_nodelist *, int);
57void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int); 61void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
58void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *); 62void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
59void lpfc_set_disctmo(struct lpfc_vport *); 63void lpfc_set_disctmo(struct lpfc_vport *);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 92441ce610ed..3d0ccd9b341d 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * * 7 * *
@@ -294,7 +294,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
294 /* Save for completion so we can release these resources */ 294 /* Save for completion so we can release these resources */
295 geniocb->context1 = (uint8_t *) inp; 295 geniocb->context1 = (uint8_t *) inp;
296 geniocb->context2 = (uint8_t *) outp; 296 geniocb->context2 = (uint8_t *) outp;
297 geniocb->context_un.ndlp = ndlp; 297 geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
298 298
299 /* Fill in payload, bp points to frame payload */ 299 /* Fill in payload, bp points to frame payload */
300 icmd->ulpCommand = CMD_GEN_REQUEST64_CR; 300 icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
@@ -489,8 +489,10 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
489 */ 489 */
490 ndlp = lpfc_findnode_did(vport, 490 ndlp = lpfc_findnode_did(vport,
491 Did); 491 Did);
492 if (ndlp && (ndlp->nlp_type & 492 if (ndlp &&
493 NLP_FCP_TARGET)) 493 NLP_CHK_NODE_ACT(ndlp)
494 && (ndlp->nlp_type &
495 NLP_FCP_TARGET))
494 lpfc_setup_disc_node 496 lpfc_setup_disc_node
495 (vport, Did); 497 (vport, Did);
496 else if (lpfc_ns_cmd(vport, 498 else if (lpfc_ns_cmd(vport,
@@ -773,7 +775,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
773 "0267 NameServer GFF Rsp " 775 "0267 NameServer GFF Rsp "
774 "x%x Error (%d %d) Data: x%x x%x\n", 776 "x%x Error (%d %d) Data: x%x x%x\n",
775 did, irsp->ulpStatus, irsp->un.ulpWord[4], 777 did, irsp->ulpStatus, irsp->un.ulpWord[4],
776 vport->fc_flag, vport->fc_rscn_id_cnt) 778 vport->fc_flag, vport->fc_rscn_id_cnt);
777 } 779 }
778 780
779 /* This is a target port, unregistered port, or the GFF_ID failed */ 781 /* This is a target port, unregistered port, or the GFF_ID failed */
@@ -1064,7 +1066,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1064 int rc = 0; 1066 int rc = 0;
1065 1067
1066 ndlp = lpfc_findnode_did(vport, NameServer_DID); 1068 ndlp = lpfc_findnode_did(vport, NameServer_DID);
1067 if (ndlp == NULL || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) { 1069 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1070 || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1068 rc=1; 1071 rc=1;
1069 goto ns_cmd_exit; 1072 goto ns_cmd_exit;
1070 } 1073 }
@@ -1213,8 +1216,9 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1213 cmpl = lpfc_cmpl_ct_cmd_rff_id; 1216 cmpl = lpfc_cmpl_ct_cmd_rff_id;
1214 break; 1217 break;
1215 } 1218 }
1216 lpfc_nlp_get(ndlp); 1219 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1217 1220 * to hold ndlp reference for the corresponding callback function.
1221 */
1218 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) { 1222 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1219 /* On success, The cmpl function will free the buffers */ 1223 /* On success, The cmpl function will free the buffers */
1220 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, 1224 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
@@ -1222,9 +1226,13 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1222 cmdcode, ndlp->nlp_DID, 0); 1226 cmdcode, ndlp->nlp_DID, 0);
1223 return 0; 1227 return 0;
1224 } 1228 }
1225
1226 rc=6; 1229 rc=6;
1230
1231 /* Decrement ndlp reference count to release ndlp reference held
1232 * for the failed command's callback function.
1233 */
1227 lpfc_nlp_put(ndlp); 1234 lpfc_nlp_put(ndlp);
1235
1228 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 1236 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1229ns_cmd_free_bmp: 1237ns_cmd_free_bmp:
1230 kfree(bmp); 1238 kfree(bmp);
@@ -1271,6 +1279,9 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1271 } 1279 }
1272 1280
1273 ndlp = lpfc_findnode_did(vport, FDMI_DID); 1281 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1282 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1283 goto fail_out;
1284
1274 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { 1285 if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
1275 /* FDMI rsp failed */ 1286 /* FDMI rsp failed */
1276 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 1287 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
@@ -1294,6 +1305,8 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1294 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA); 1305 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1295 break; 1306 break;
1296 } 1307 }
1308
1309fail_out:
1297 lpfc_ct_free_iocb(phba, cmdiocb); 1310 lpfc_ct_free_iocb(phba, cmdiocb);
1298 return; 1311 return;
1299} 1312}
@@ -1650,12 +1663,18 @@ lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1650 bpl->tus.w = le32_to_cpu(bpl->tus.w); 1663 bpl->tus.w = le32_to_cpu(bpl->tus.w);
1651 1664
1652 cmpl = lpfc_cmpl_ct_cmd_fdmi; 1665 cmpl = lpfc_cmpl_ct_cmd_fdmi;
1653 lpfc_nlp_get(ndlp);
1654 1666
1667 /* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1668 * to hold ndlp reference for the corresponding callback function.
1669 */
1655 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0)) 1670 if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
1656 return 0; 1671 return 0;
1657 1672
1673 /* Decrement ndlp reference count to release ndlp reference held
1674 * for the failed command's callback function.
1675 */
1658 lpfc_nlp_put(ndlp); 1676 lpfc_nlp_put(ndlp);
1677
1659 lpfc_mbuf_free(phba, bmp->virt, bmp->phys); 1678 lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1660fdmi_cmd_free_bmp: 1679fdmi_cmd_free_bmp:
1661 kfree(bmp); 1680 kfree(bmp);
@@ -1698,7 +1717,7 @@ lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
1698 struct lpfc_nodelist *ndlp; 1717 struct lpfc_nodelist *ndlp;
1699 1718
1700 ndlp = lpfc_findnode_did(vport, FDMI_DID); 1719 ndlp = lpfc_findnode_did(vport, FDMI_DID);
1701 if (ndlp) { 1720 if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
1702 if (init_utsname()->nodename[0] != '\0') 1721 if (init_utsname()->nodename[0] != '\0')
1703 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); 1722 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
1704 else 1723 else
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index cfe81c50529a..2db0b74b6fad 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * * 7 * *
@@ -73,6 +73,12 @@ struct lpfc_nodelist {
73 uint8_t nlp_fcp_info; /* class info, bits 0-3 */ 73 uint8_t nlp_fcp_info; /* class info, bits 0-3 */
74#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */ 74#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */
75 75
76 uint16_t nlp_usg_map; /* ndlp management usage bitmap */
77#define NLP_USG_NODE_ACT_BIT 0x1 /* Indicate ndlp is actively used */
78#define NLP_USG_IACT_REQ_BIT 0x2 /* Request to inactivate ndlp */
79#define NLP_USG_FREE_REQ_BIT 0x4 /* Request to invoke ndlp memory free */
80#define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */
81
76 struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */ 82 struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
77 struct fc_rport *rport; /* Corresponding FC transport 83 struct fc_rport *rport; /* Corresponding FC transport
78 port structure */ 84 port structure */
@@ -85,25 +91,51 @@ struct lpfc_nodelist {
85}; 91};
86 92
87/* Defines for nlp_flag (uint32) */ 93/* Defines for nlp_flag (uint32) */
88#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */ 94#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */
89#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */ 95#define NLP_PRLI_SND 0x00000040 /* sent PRLI request for this entry */
90#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */ 96#define NLP_ADISC_SND 0x00000080 /* sent ADISC request for this entry */
91#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */ 97#define NLP_LOGO_SND 0x00000100 /* sent LOGO request for this entry */
92#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */ 98#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */
93#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */ 99#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */
94#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */ 100#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */
95#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */ 101#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */
96#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */ 102#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */
97#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */ 103#define NLP_RCV_PLOGI 0x00080000 /* Rcv'ed PLOGI from remote system */
98#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */ 104#define NLP_LOGO_ACC 0x00100000 /* Process LOGO after ACC completes */
99#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */ 105#define NLP_TGT_NO_SCSIID 0x00200000 /* good PRLI but no binding for scsid */
100#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful 106#define NLP_ACC_REGLOGIN 0x01000000 /* Issue Reg Login after successful
101 ACC */ 107 ACC */
102#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from 108#define NLP_NPR_ADISC 0x02000000 /* Issue ADISC when dq'ed from
103 NPR list */ 109 NPR list */
104#define NLP_RM_DFLT_RPI 0x4000000 /* need to remove leftover dflt RPI */ 110#define NLP_RM_DFLT_RPI 0x04000000 /* need to remove leftover dflt RPI */
105#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */ 111#define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */
106#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */ 112#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */
113#define NLP_SC_REQ 0x20000000 /* Target requires authentication */
114
115/* ndlp usage management macros */
116#define NLP_CHK_NODE_ACT(ndlp) (((ndlp)->nlp_usg_map \
117 & NLP_USG_NODE_ACT_BIT) \
118 && \
119 !((ndlp)->nlp_usg_map \
120 & NLP_USG_FREE_ACK_BIT))
121#define NLP_SET_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
122 |= NLP_USG_NODE_ACT_BIT)
123#define NLP_INT_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
124 = NLP_USG_NODE_ACT_BIT)
125#define NLP_CLR_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
126 &= ~NLP_USG_NODE_ACT_BIT)
127#define NLP_CHK_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
128 & NLP_USG_IACT_REQ_BIT)
129#define NLP_SET_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
130 |= NLP_USG_IACT_REQ_BIT)
131#define NLP_CHK_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
132 & NLP_USG_FREE_REQ_BIT)
133#define NLP_SET_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
134 |= NLP_USG_FREE_REQ_BIT)
135#define NLP_CHK_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
136 & NLP_USG_FREE_ACK_BIT)
137#define NLP_SET_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
138 |= NLP_USG_FREE_ACK_BIT)
107 139
108/* There are 4 different double linked lists nodelist entries can reside on. 140/* There are 4 different double linked lists nodelist entries can reside on.
109 * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used 141 * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index c6b739dc6bc3..cbb68a942255 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -113,6 +113,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
113 113
114 if (elsiocb == NULL) 114 if (elsiocb == NULL)
115 return NULL; 115 return NULL;
116
116 icmd = &elsiocb->iocb; 117 icmd = &elsiocb->iocb;
117 118
118 /* fill in BDEs for command */ 119 /* fill in BDEs for command */
@@ -134,9 +135,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
134 if (!prsp || !prsp->virt) 135 if (!prsp || !prsp->virt)
135 goto els_iocb_free_prsp_exit; 136 goto els_iocb_free_prsp_exit;
136 INIT_LIST_HEAD(&prsp->list); 137 INIT_LIST_HEAD(&prsp->list);
137 } else { 138 } else
138 prsp = NULL; 139 prsp = NULL;
139 }
140 140
141 /* Allocate buffer for Buffer ptr list */ 141 /* Allocate buffer for Buffer ptr list */
142 pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); 142 pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
@@ -246,7 +246,7 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
246 246
247 sp = &phba->fc_fabparam; 247 sp = &phba->fc_fabparam;
248 ndlp = lpfc_findnode_did(vport, Fabric_DID); 248 ndlp = lpfc_findnode_did(vport, Fabric_DID);
249 if (!ndlp) { 249 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
250 err = 1; 250 err = 1;
251 goto fail; 251 goto fail;
252 } 252 }
@@ -282,6 +282,9 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
282 282
283 mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; 283 mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
284 mbox->vport = vport; 284 mbox->vport = vport;
285 /* increment the reference count on ndlp to hold reference
286 * for the callback routine.
287 */
285 mbox->context2 = lpfc_nlp_get(ndlp); 288 mbox->context2 = lpfc_nlp_get(ndlp);
286 289
287 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); 290 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
@@ -293,6 +296,9 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
293 return 0; 296 return 0;
294 297
295fail_issue_reg_login: 298fail_issue_reg_login:
299 /* decrement the reference count on ndlp just incremented
300 * for the failed mbox command.
301 */
296 lpfc_nlp_put(ndlp); 302 lpfc_nlp_put(ndlp);
297 mp = (struct lpfc_dmabuf *) mbox->context1; 303 mp = (struct lpfc_dmabuf *) mbox->context1;
298 lpfc_mbuf_free(phba, mp->virt, mp->phys); 304 lpfc_mbuf_free(phba, mp->virt, mp->phys);
@@ -381,6 +387,8 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
381 */ 387 */
382 list_for_each_entry_safe(np, next_np, 388 list_for_each_entry_safe(np, next_np,
383 &vport->fc_nodes, nlp_listp) { 389 &vport->fc_nodes, nlp_listp) {
390 if (!NLP_CHK_NODE_ACT(ndlp))
391 continue;
384 if ((np->nlp_state != NLP_STE_NPR_NODE) || 392 if ((np->nlp_state != NLP_STE_NPR_NODE) ||
385 !(np->nlp_flag & NLP_NPR_ADISC)) 393 !(np->nlp_flag & NLP_NPR_ADISC))
386 continue; 394 continue;
@@ -456,6 +464,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
456 mempool_free(mbox, phba->mbox_mem_pool); 464 mempool_free(mbox, phba->mbox_mem_pool);
457 goto fail; 465 goto fail;
458 } 466 }
467 /* Decrement ndlp reference count indicating that ndlp can be
468 * safely released when other references to it are done.
469 */
459 lpfc_nlp_put(ndlp); 470 lpfc_nlp_put(ndlp);
460 471
461 ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); 472 ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID);
@@ -467,22 +478,29 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
467 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); 478 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
468 if (!ndlp) 479 if (!ndlp)
469 goto fail; 480 goto fail;
470
471 lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); 481 lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID);
482 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
483 ndlp = lpfc_enable_node(vport, ndlp,
484 NLP_STE_UNUSED_NODE);
485 if(!ndlp)
486 goto fail;
472 } 487 }
473 488
474 memcpy(&ndlp->nlp_portname, &sp->portName, 489 memcpy(&ndlp->nlp_portname, &sp->portName,
475 sizeof(struct lpfc_name)); 490 sizeof(struct lpfc_name));
476 memcpy(&ndlp->nlp_nodename, &sp->nodeName, 491 memcpy(&ndlp->nlp_nodename, &sp->nodeName,
477 sizeof(struct lpfc_name)); 492 sizeof(struct lpfc_name));
493 /* Set state will put ndlp onto node list if not already done */
478 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 494 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
479 spin_lock_irq(shost->host_lock); 495 spin_lock_irq(shost->host_lock);
480 ndlp->nlp_flag |= NLP_NPR_2B_DISC; 496 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
481 spin_unlock_irq(shost->host_lock); 497 spin_unlock_irq(shost->host_lock);
482 } else { 498 } else
483 /* This side will wait for the PLOGI */ 499 /* This side will wait for the PLOGI, decrement ndlp reference
500 * count indicating that ndlp can be released when other
501 * references to it are done.
502 */
484 lpfc_nlp_put(ndlp); 503 lpfc_nlp_put(ndlp);
485 }
486 504
487 /* If we are pt2pt with another NPort, force NPIV off! */ 505 /* If we are pt2pt with another NPort, force NPIV off! */
488 phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; 506 phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
@@ -728,16 +746,21 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
728 if (!ndlp) 746 if (!ndlp)
729 return 0; 747 return 0;
730 lpfc_nlp_init(vport, ndlp, Fabric_DID); 748 lpfc_nlp_init(vport, ndlp, Fabric_DID);
731 } else { 749 /* Put ndlp onto node list */
732 lpfc_dequeue_node(vport, ndlp); 750 lpfc_enqueue_node(vport, ndlp);
751 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
752 /* re-setup ndlp without removing from node list */
753 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
754 if (!ndlp)
755 return 0;
733 } 756 }
734 757
735 if (lpfc_issue_els_flogi(vport, ndlp, 0)) { 758 if (lpfc_issue_els_flogi(vport, ndlp, 0))
736 /* This decrement of reference count to node shall kick off 759 /* This decrement of reference count to node shall kick off
737 * the release of the node. 760 * the release of the node.
738 */ 761 */
739 lpfc_nlp_put(ndlp); 762 lpfc_nlp_put(ndlp);
740 } 763
741 return 1; 764 return 1;
742} 765}
743 766
@@ -755,9 +778,15 @@ lpfc_initial_fdisc(struct lpfc_vport *vport)
755 if (!ndlp) 778 if (!ndlp)
756 return 0; 779 return 0;
757 lpfc_nlp_init(vport, ndlp, Fabric_DID); 780 lpfc_nlp_init(vport, ndlp, Fabric_DID);
758 } else { 781 /* Put ndlp onto node list */
759 lpfc_dequeue_node(vport, ndlp); 782 lpfc_enqueue_node(vport, ndlp);
783 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
784 /* re-setup ndlp without removing from node list */
785 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
786 if (!ndlp)
787 return 0;
760 } 788 }
789
761 if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { 790 if (lpfc_issue_els_fdisc(vport, ndlp, 0)) {
762 /* decrement node reference count to trigger the release of 791 /* decrement node reference count to trigger the release of
763 * the node. 792 * the node.
@@ -816,7 +845,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
816 */ 845 */
817 new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); 846 new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName);
818 847
819 if (new_ndlp == ndlp) 848 if (new_ndlp == ndlp && NLP_CHK_NODE_ACT(new_ndlp))
820 return ndlp; 849 return ndlp;
821 850
822 if (!new_ndlp) { 851 if (!new_ndlp) {
@@ -827,8 +856,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
827 new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); 856 new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
828 if (!new_ndlp) 857 if (!new_ndlp)
829 return ndlp; 858 return ndlp;
830
831 lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); 859 lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID);
860 } else if (!NLP_CHK_NODE_ACT(new_ndlp)) {
861 new_ndlp = lpfc_enable_node(vport, new_ndlp,
862 NLP_STE_UNUSED_NODE);
863 if (!new_ndlp)
864 return ndlp;
832 } 865 }
833 866
834 lpfc_unreg_rpi(vport, new_ndlp); 867 lpfc_unreg_rpi(vport, new_ndlp);
@@ -839,6 +872,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
839 new_ndlp->nlp_flag |= NLP_NPR_2B_DISC; 872 new_ndlp->nlp_flag |= NLP_NPR_2B_DISC;
840 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; 873 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
841 874
875 /* Set state will put new_ndlp on to node list if not already done */
842 lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); 876 lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state);
843 877
844 /* Move this back to NPR state */ 878 /* Move this back to NPR state */
@@ -912,7 +946,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
912 irsp->un.elsreq64.remoteID); 946 irsp->un.elsreq64.remoteID);
913 947
914 ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); 948 ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID);
915 if (!ndlp) { 949 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
916 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, 950 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
917 "0136 PLOGI completes to NPort x%x " 951 "0136 PLOGI completes to NPort x%x "
918 "with no ndlp. Data: x%x x%x x%x\n", 952 "with no ndlp. Data: x%x x%x x%x\n",
@@ -962,12 +996,11 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
962 } 996 }
963 /* PLOGI failed */ 997 /* PLOGI failed */
964 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ 998 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
965 if (lpfc_error_lost_link(irsp)) { 999 if (lpfc_error_lost_link(irsp))
966 rc = NLP_STE_FREED_NODE; 1000 rc = NLP_STE_FREED_NODE;
967 } else { 1001 else
968 rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1002 rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
969 NLP_EVT_CMPL_PLOGI); 1003 NLP_EVT_CMPL_PLOGI);
970 }
971 } else { 1004 } else {
972 /* Good status, call state machine */ 1005 /* Good status, call state machine */
973 prsp = list_entry(((struct lpfc_dmabuf *) 1006 prsp = list_entry(((struct lpfc_dmabuf *)
@@ -1015,8 +1048,10 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
1015 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ 1048 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1016 1049
1017 ndlp = lpfc_findnode_did(vport, did); 1050 ndlp = lpfc_findnode_did(vport, did);
1018 /* If ndlp if not NULL, we will bump the reference count on it */ 1051 if (ndlp && !NLP_CHK_NODE_ACT(ndlp))
1052 ndlp = NULL;
1019 1053
1054 /* If ndlp is not NULL, we will bump the reference count on it */
1020 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); 1055 cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
1021 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, 1056 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
1022 ELS_CMD_PLOGI); 1057 ELS_CMD_PLOGI);
@@ -1097,18 +1132,15 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1097 } 1132 }
1098 /* PRLI failed */ 1133 /* PRLI failed */
1099 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ 1134 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1100 if (lpfc_error_lost_link(irsp)) { 1135 if (lpfc_error_lost_link(irsp))
1101 goto out; 1136 goto out;
1102 } else { 1137 else
1103 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1138 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1104 NLP_EVT_CMPL_PRLI); 1139 NLP_EVT_CMPL_PRLI);
1105 } 1140 } else
1106 } else {
1107 /* Good status, call state machine */ 1141 /* Good status, call state machine */
1108 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1142 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1109 NLP_EVT_CMPL_PRLI); 1143 NLP_EVT_CMPL_PRLI);
1110 }
1111
1112out: 1144out:
1113 lpfc_els_free_iocb(phba, cmdiocb); 1145 lpfc_els_free_iocb(phba, cmdiocb);
1114 return; 1146 return;
@@ -1275,15 +1307,13 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1275 } 1307 }
1276 /* ADISC failed */ 1308 /* ADISC failed */
1277 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ 1309 /* Do not call DSM for lpfc_els_abort'ed ELS cmds */
1278 if (!lpfc_error_lost_link(irsp)) { 1310 if (!lpfc_error_lost_link(irsp))
1279 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1311 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1280 NLP_EVT_CMPL_ADISC); 1312 NLP_EVT_CMPL_ADISC);
1281 } 1313 } else
1282 } else {
1283 /* Good status, call state machine */ 1314 /* Good status, call state machine */
1284 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1315 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1285 NLP_EVT_CMPL_ADISC); 1316 NLP_EVT_CMPL_ADISC);
1286 }
1287 1317
1288 if (disc && vport->num_disc_nodes) { 1318 if (disc && vport->num_disc_nodes) {
1289 /* Check to see if there are more ADISCs to be sent */ 1319 /* Check to see if there are more ADISCs to be sent */
@@ -1443,14 +1473,12 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1443 else 1473 else
1444 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1474 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1445 NLP_EVT_CMPL_LOGO); 1475 NLP_EVT_CMPL_LOGO);
1446 } else { 1476 } else
1447 /* Good status, call state machine. 1477 /* Good status, call state machine.
1448 * This will unregister the rpi if needed. 1478 * This will unregister the rpi if needed.
1449 */ 1479 */
1450 lpfc_disc_state_machine(vport, ndlp, cmdiocb, 1480 lpfc_disc_state_machine(vport, ndlp, cmdiocb,
1451 NLP_EVT_CMPL_LOGO); 1481 NLP_EVT_CMPL_LOGO);
1452 }
1453
1454out: 1482out:
1455 lpfc_els_free_iocb(phba, cmdiocb); 1483 lpfc_els_free_iocb(phba, cmdiocb);
1456 return; 1484 return;
@@ -1556,11 +1584,19 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
1556 psli = &phba->sli; 1584 psli = &phba->sli;
1557 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ 1585 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1558 cmdsize = (sizeof(uint32_t) + sizeof(SCR)); 1586 cmdsize = (sizeof(uint32_t) + sizeof(SCR));
1559 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1560 if (!ndlp)
1561 return 1;
1562 1587
1563 lpfc_nlp_init(vport, ndlp, nportid); 1588 ndlp = lpfc_findnode_did(vport, nportid);
1589 if (!ndlp) {
1590 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1591 if (!ndlp)
1592 return 1;
1593 lpfc_nlp_init(vport, ndlp, nportid);
1594 lpfc_enqueue_node(vport, ndlp);
1595 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
1596 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
1597 if (!ndlp)
1598 return 1;
1599 }
1564 1600
1565 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, 1601 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1566 ndlp->nlp_DID, ELS_CMD_SCR); 1602 ndlp->nlp_DID, ELS_CMD_SCR);
@@ -1623,11 +1659,19 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
1623 psli = &phba->sli; 1659 psli = &phba->sli;
1624 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ 1660 pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
1625 cmdsize = (sizeof(uint32_t) + sizeof(FARP)); 1661 cmdsize = (sizeof(uint32_t) + sizeof(FARP));
1626 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1627 if (!ndlp)
1628 return 1;
1629 1662
1630 lpfc_nlp_init(vport, ndlp, nportid); 1663 ndlp = lpfc_findnode_did(vport, nportid);
1664 if (!ndlp) {
1665 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1666 if (!ndlp)
1667 return 1;
1668 lpfc_nlp_init(vport, ndlp, nportid);
1669 lpfc_enqueue_node(vport, ndlp);
1670 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
1671 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
1672 if (!ndlp)
1673 return 1;
1674 }
1631 1675
1632 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, 1676 elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
1633 ndlp->nlp_DID, ELS_CMD_RNID); 1677 ndlp->nlp_DID, ELS_CMD_RNID);
@@ -1657,7 +1701,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
1657 memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); 1701 memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name));
1658 memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); 1702 memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
1659 ondlp = lpfc_findnode_did(vport, nportid); 1703 ondlp = lpfc_findnode_did(vport, nportid);
1660 if (ondlp) { 1704 if (ondlp && NLP_CHK_NODE_ACT(ondlp)) {
1661 memcpy(&fp->OportName, &ondlp->nlp_portname, 1705 memcpy(&fp->OportName, &ondlp->nlp_portname,
1662 sizeof(struct lpfc_name)); 1706 sizeof(struct lpfc_name));
1663 memcpy(&fp->OnodeName, &ondlp->nlp_nodename, 1707 memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
@@ -1690,6 +1734,7 @@ void
1690lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) 1734lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
1691{ 1735{
1692 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1736 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1737 struct lpfc_work_evt *evtp;
1693 1738
1694 spin_lock_irq(shost->host_lock); 1739 spin_lock_irq(shost->host_lock);
1695 nlp->nlp_flag &= ~NLP_DELAY_TMO; 1740 nlp->nlp_flag &= ~NLP_DELAY_TMO;
@@ -1697,8 +1742,12 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
1697 del_timer_sync(&nlp->nlp_delayfunc); 1742 del_timer_sync(&nlp->nlp_delayfunc);
1698 nlp->nlp_last_elscmd = 0; 1743 nlp->nlp_last_elscmd = 0;
1699 1744
1700 if (!list_empty(&nlp->els_retry_evt.evt_listp)) 1745 if (!list_empty(&nlp->els_retry_evt.evt_listp)) {
1701 list_del_init(&nlp->els_retry_evt.evt_listp); 1746 list_del_init(&nlp->els_retry_evt.evt_listp);
1747 /* Decrement nlp reference count held for the delayed retry */
1748 evtp = &nlp->els_retry_evt;
1749 lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1);
1750 }
1702 1751
1703 if (nlp->nlp_flag & NLP_NPR_2B_DISC) { 1752 if (nlp->nlp_flag & NLP_NPR_2B_DISC) {
1704 spin_lock_irq(shost->host_lock); 1753 spin_lock_irq(shost->host_lock);
@@ -1842,13 +1891,14 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1842 cmd = *elscmd++; 1891 cmd = *elscmd++;
1843 } 1892 }
1844 1893
1845 if (ndlp) 1894 if (ndlp && NLP_CHK_NODE_ACT(ndlp))
1846 did = ndlp->nlp_DID; 1895 did = ndlp->nlp_DID;
1847 else { 1896 else {
1848 /* We should only hit this case for retrying PLOGI */ 1897 /* We should only hit this case for retrying PLOGI */
1849 did = irsp->un.elsreq64.remoteID; 1898 did = irsp->un.elsreq64.remoteID;
1850 ndlp = lpfc_findnode_did(vport, did); 1899 ndlp = lpfc_findnode_did(vport, did);
1851 if (!ndlp && (cmd != ELS_CMD_PLOGI)) 1900 if ((!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1901 && (cmd != ELS_CMD_PLOGI))
1852 return 1; 1902 return 1;
1853 } 1903 }
1854 1904
@@ -1870,18 +1920,15 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1870 break; 1920 break;
1871 1921
1872 case IOERR_ILLEGAL_COMMAND: 1922 case IOERR_ILLEGAL_COMMAND:
1873 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) && 1923 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
1874 (cmd == ELS_CMD_FDISC)) { 1924 "0124 Retry illegal cmd x%x "
1875 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, 1925 "retry:x%x delay:x%x\n",
1876 "0124 FDISC failed (3/6) " 1926 cmd, cmdiocb->retry, delay);
1877 "retrying...\n"); 1927 retry = 1;
1878 lpfc_mbx_unreg_vpi(vport); 1928 /* All command's retry policy */
1879 retry = 1; 1929 maxretry = 8;
1880 /* FDISC retry policy */ 1930 if (cmdiocb->retry > 2)
1881 maxretry = 48; 1931 delay = 1000;
1882 if (cmdiocb->retry >= 32)
1883 delay = 1000;
1884 }
1885 break; 1932 break;
1886 1933
1887 case IOERR_NO_RESOURCES: 1934 case IOERR_NO_RESOURCES:
@@ -1967,6 +2014,17 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1967 break; 2014 break;
1968 2015
1969 case LSRJT_LOGICAL_ERR: 2016 case LSRJT_LOGICAL_ERR:
2017 /* There are some cases where switches return this
2018 * error when they are not ready and should be returning
2019 * Logical Busy. We should delay every time.
2020 */
2021 if (cmd == ELS_CMD_FDISC &&
2022 stat.un.b.lsRjtRsnCodeExp == LSEXP_PORT_LOGIN_REQ) {
2023 maxretry = 3;
2024 delay = 1000;
2025 retry = 1;
2026 break;
2027 }
1970 case LSRJT_PROTOCOL_ERR: 2028 case LSRJT_PROTOCOL_ERR:
1971 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && 2029 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1972 (cmd == ELS_CMD_FDISC) && 2030 (cmd == ELS_CMD_FDISC) &&
@@ -1996,7 +2054,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1996 retry = 1; 2054 retry = 1;
1997 2055
1998 if ((cmd == ELS_CMD_FLOGI) && 2056 if ((cmd == ELS_CMD_FLOGI) &&
1999 (phba->fc_topology != TOPOLOGY_LOOP)) { 2057 (phba->fc_topology != TOPOLOGY_LOOP) &&
2058 !lpfc_error_lost_link(irsp)) {
2000 /* FLOGI retry policy */ 2059 /* FLOGI retry policy */
2001 retry = 1; 2060 retry = 1;
2002 maxretry = 48; 2061 maxretry = 48;
@@ -2322,6 +2381,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2322 if ((rspiocb->iocb.ulpStatus == 0) 2381 if ((rspiocb->iocb.ulpStatus == 0)
2323 && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { 2382 && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
2324 lpfc_unreg_rpi(vport, ndlp); 2383 lpfc_unreg_rpi(vport, ndlp);
2384 /* Increment reference count to ndlp to hold the
2385 * reference to ndlp for the callback function.
2386 */
2325 mbox->context2 = lpfc_nlp_get(ndlp); 2387 mbox->context2 = lpfc_nlp_get(ndlp);
2326 mbox->vport = vport; 2388 mbox->vport = vport;
2327 if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { 2389 if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) {
@@ -2335,9 +2397,13 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
2335 NLP_STE_REG_LOGIN_ISSUE); 2397 NLP_STE_REG_LOGIN_ISSUE);
2336 } 2398 }
2337 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) 2399 if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
2338 != MBX_NOT_FINISHED) { 2400 != MBX_NOT_FINISHED)
2339 goto out; 2401 goto out;
2340 } 2402 else
2403 /* Decrement the ndlp reference count we
2404 * set for this failed mailbox command.
2405 */
2406 lpfc_nlp_put(ndlp);
2341 2407
2342 /* ELS rsp: Cannot issue reg_login for <NPortid> */ 2408 /* ELS rsp: Cannot issue reg_login for <NPortid> */
2343 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, 2409 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
@@ -2796,6 +2862,8 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport)
2796 2862
2797 /* go thru NPR nodes and issue any remaining ELS ADISCs */ 2863 /* go thru NPR nodes and issue any remaining ELS ADISCs */
2798 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 2864 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
2865 if (!NLP_CHK_NODE_ACT(ndlp))
2866 continue;
2799 if (ndlp->nlp_state == NLP_STE_NPR_NODE && 2867 if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
2800 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && 2868 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
2801 (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { 2869 (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) {
@@ -2833,6 +2901,8 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
2833 2901
2834 /* go thru NPR nodes and issue any remaining ELS PLOGIs */ 2902 /* go thru NPR nodes and issue any remaining ELS PLOGIs */
2835 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 2903 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
2904 if (!NLP_CHK_NODE_ACT(ndlp))
2905 continue;
2836 if (ndlp->nlp_state == NLP_STE_NPR_NODE && 2906 if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
2837 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && 2907 (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
2838 (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && 2908 (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
@@ -2869,6 +2939,16 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
2869 struct lpfc_hba *phba = vport->phba; 2939 struct lpfc_hba *phba = vport->phba;
2870 int i; 2940 int i;
2871 2941
2942 spin_lock_irq(shost->host_lock);
2943 if (vport->fc_rscn_flush) {
2944 /* Another thread is walking fc_rscn_id_list on this vport */
2945 spin_unlock_irq(shost->host_lock);
2946 return;
2947 }
2948 /* Indicate we are walking lpfc_els_flush_rscn on this vport */
2949 vport->fc_rscn_flush = 1;
2950 spin_unlock_irq(shost->host_lock);
2951
2872 for (i = 0; i < vport->fc_rscn_id_cnt; i++) { 2952 for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
2873 lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); 2953 lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]);
2874 vport->fc_rscn_id_list[i] = NULL; 2954 vport->fc_rscn_id_list[i] = NULL;
@@ -2878,6 +2958,8 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
2878 vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); 2958 vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
2879 spin_unlock_irq(shost->host_lock); 2959 spin_unlock_irq(shost->host_lock);
2880 lpfc_can_disctmo(vport); 2960 lpfc_can_disctmo(vport);
2961 /* Indicate we are done walking this fc_rscn_id_list */
2962 vport->fc_rscn_flush = 0;
2881} 2963}
2882 2964
2883int 2965int
@@ -2887,6 +2969,7 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
2887 D_ID rscn_did; 2969 D_ID rscn_did;
2888 uint32_t *lp; 2970 uint32_t *lp;
2889 uint32_t payload_len, i; 2971 uint32_t payload_len, i;
2972 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2890 2973
2891 ns_did.un.word = did; 2974 ns_did.un.word = did;
2892 2975
@@ -2898,6 +2981,15 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
2898 if (vport->fc_flag & FC_RSCN_DISCOVERY) 2981 if (vport->fc_flag & FC_RSCN_DISCOVERY)
2899 return did; 2982 return did;
2900 2983
2984 spin_lock_irq(shost->host_lock);
2985 if (vport->fc_rscn_flush) {
2986 /* Another thread is walking fc_rscn_id_list on this vport */
2987 spin_unlock_irq(shost->host_lock);
2988 return 0;
2989 }
2990 /* Indicate we are walking fc_rscn_id_list on this vport */
2991 vport->fc_rscn_flush = 1;
2992 spin_unlock_irq(shost->host_lock);
2901 for (i = 0; i < vport->fc_rscn_id_cnt; i++) { 2993 for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
2902 lp = vport->fc_rscn_id_list[i]->virt; 2994 lp = vport->fc_rscn_id_list[i]->virt;
2903 payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); 2995 payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
@@ -2908,16 +3000,16 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
2908 switch (rscn_did.un.b.resv) { 3000 switch (rscn_did.un.b.resv) {
2909 case 0: /* Single N_Port ID effected */ 3001 case 0: /* Single N_Port ID effected */
2910 if (ns_did.un.word == rscn_did.un.word) 3002 if (ns_did.un.word == rscn_did.un.word)
2911 return did; 3003 goto return_did_out;
2912 break; 3004 break;
2913 case 1: /* Whole N_Port Area effected */ 3005 case 1: /* Whole N_Port Area effected */
2914 if ((ns_did.un.b.domain == rscn_did.un.b.domain) 3006 if ((ns_did.un.b.domain == rscn_did.un.b.domain)
2915 && (ns_did.un.b.area == rscn_did.un.b.area)) 3007 && (ns_did.un.b.area == rscn_did.un.b.area))
2916 return did; 3008 goto return_did_out;
2917 break; 3009 break;
2918 case 2: /* Whole N_Port Domain effected */ 3010 case 2: /* Whole N_Port Domain effected */
2919 if (ns_did.un.b.domain == rscn_did.un.b.domain) 3011 if (ns_did.un.b.domain == rscn_did.un.b.domain)
2920 return did; 3012 goto return_did_out;
2921 break; 3013 break;
2922 default: 3014 default:
2923 /* Unknown Identifier in RSCN node */ 3015 /* Unknown Identifier in RSCN node */
@@ -2926,11 +3018,17 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
2926 "RSCN payload Data: x%x\n", 3018 "RSCN payload Data: x%x\n",
2927 rscn_did.un.word); 3019 rscn_did.un.word);
2928 case 3: /* Whole Fabric effected */ 3020 case 3: /* Whole Fabric effected */
2929 return did; 3021 goto return_did_out;
2930 } 3022 }
2931 } 3023 }
2932 } 3024 }
3025 /* Indicate we are done with walking fc_rscn_id_list on this vport */
3026 vport->fc_rscn_flush = 0;
2933 return 0; 3027 return 0;
3028return_did_out:
3029 /* Indicate we are done with walking fc_rscn_id_list on this vport */
3030 vport->fc_rscn_flush = 0;
3031 return did;
2934} 3032}
2935 3033
2936static int 3034static int
@@ -2943,7 +3041,8 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
2943 */ 3041 */
2944 3042
2945 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 3043 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
2946 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || 3044 if (!NLP_CHK_NODE_ACT(ndlp) ||
3045 ndlp->nlp_state == NLP_STE_UNUSED_NODE ||
2947 lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) 3046 lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0)
2948 continue; 3047 continue;
2949 3048
@@ -2971,7 +3070,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
2971 uint32_t *lp, *datap; 3070 uint32_t *lp, *datap;
2972 IOCB_t *icmd; 3071 IOCB_t *icmd;
2973 uint32_t payload_len, length, nportid, *cmd; 3072 uint32_t payload_len, length, nportid, *cmd;
2974 int rscn_cnt = vport->fc_rscn_id_cnt; 3073 int rscn_cnt;
2975 int rscn_id = 0, hba_id = 0; 3074 int rscn_id = 0, hba_id = 0;
2976 int i; 3075 int i;
2977 3076
@@ -2984,7 +3083,8 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
2984 /* RSCN received */ 3083 /* RSCN received */
2985 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3084 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2986 "0214 RSCN received Data: x%x x%x x%x x%x\n", 3085 "0214 RSCN received Data: x%x x%x x%x x%x\n",
2987 vport->fc_flag, payload_len, *lp, rscn_cnt); 3086 vport->fc_flag, payload_len, *lp,
3087 vport->fc_rscn_id_cnt);
2988 for (i = 0; i < payload_len/sizeof(uint32_t); i++) 3088 for (i = 0; i < payload_len/sizeof(uint32_t); i++)
2989 fc_host_post_event(shost, fc_get_event_number(), 3089 fc_host_post_event(shost, fc_get_event_number(),
2990 FCH_EVT_RSCN, lp[i]); 3090 FCH_EVT_RSCN, lp[i]);
@@ -3022,7 +3122,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3022 "0214 Ignore RSCN " 3122 "0214 Ignore RSCN "
3023 "Data: x%x x%x x%x x%x\n", 3123 "Data: x%x x%x x%x x%x\n",
3024 vport->fc_flag, payload_len, 3124 vport->fc_flag, payload_len,
3025 *lp, rscn_cnt); 3125 *lp, vport->fc_rscn_id_cnt);
3026 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, 3126 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3027 "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", 3127 "RCV RSCN vport: did:x%x/ste:x%x flg:x%x",
3028 ndlp->nlp_DID, vport->port_state, 3128 ndlp->nlp_DID, vport->port_state,
@@ -3034,6 +3134,18 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3034 } 3134 }
3035 } 3135 }
3036 3136
3137 spin_lock_irq(shost->host_lock);
3138 if (vport->fc_rscn_flush) {
3139 /* Another thread is walking fc_rscn_id_list on this vport */
3140 spin_unlock_irq(shost->host_lock);
3141 vport->fc_flag |= FC_RSCN_DISCOVERY;
3142 return 0;
3143 }
3144 /* Indicate we are walking fc_rscn_id_list on this vport */
3145 vport->fc_rscn_flush = 1;
3146 spin_unlock_irq(shost->host_lock);
3147 /* Get the array count after sucessfully have the token */
3148 rscn_cnt = vport->fc_rscn_id_cnt;
3037 /* If we are already processing an RSCN, save the received 3149 /* If we are already processing an RSCN, save the received
3038 * RSCN payload buffer, cmdiocb->context2 to process later. 3150 * RSCN payload buffer, cmdiocb->context2 to process later.
3039 */ 3151 */
@@ -3055,7 +3167,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3055 if ((rscn_cnt) && 3167 if ((rscn_cnt) &&
3056 (payload_len + length <= LPFC_BPL_SIZE)) { 3168 (payload_len + length <= LPFC_BPL_SIZE)) {
3057 *cmd &= ELS_CMD_MASK; 3169 *cmd &= ELS_CMD_MASK;
3058 *cmd |= be32_to_cpu(payload_len + length); 3170 *cmd |= cpu_to_be32(payload_len + length);
3059 memcpy(((uint8_t *)cmd) + length, lp, 3171 memcpy(((uint8_t *)cmd) + length, lp,
3060 payload_len); 3172 payload_len);
3061 } else { 3173 } else {
@@ -3066,7 +3178,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3066 */ 3178 */
3067 cmdiocb->context2 = NULL; 3179 cmdiocb->context2 = NULL;
3068 } 3180 }
3069
3070 /* Deferred RSCN */ 3181 /* Deferred RSCN */
3071 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 3182 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
3072 "0235 Deferred RSCN " 3183 "0235 Deferred RSCN "
@@ -3083,9 +3194,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3083 vport->fc_rscn_id_cnt, vport->fc_flag, 3194 vport->fc_rscn_id_cnt, vport->fc_flag,
3084 vport->port_state); 3195 vport->port_state);
3085 } 3196 }
3197 /* Indicate we are done walking fc_rscn_id_list on this vport */
3198 vport->fc_rscn_flush = 0;
3086 /* Send back ACC */ 3199 /* Send back ACC */
3087 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 3200 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
3088
3089 /* send RECOVERY event for ALL nodes that match RSCN payload */ 3201 /* send RECOVERY event for ALL nodes that match RSCN payload */
3090 lpfc_rscn_recovery_check(vport); 3202 lpfc_rscn_recovery_check(vport);
3091 spin_lock_irq(shost->host_lock); 3203 spin_lock_irq(shost->host_lock);
@@ -3093,7 +3205,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3093 spin_unlock_irq(shost->host_lock); 3205 spin_unlock_irq(shost->host_lock);
3094 return 0; 3206 return 0;
3095 } 3207 }
3096
3097 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, 3208 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
3098 "RCV RSCN: did:x%x/ste:x%x flg:x%x", 3209 "RCV RSCN: did:x%x/ste:x%x flg:x%x",
3099 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); 3210 ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag);
@@ -3102,20 +3213,18 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3102 vport->fc_flag |= FC_RSCN_MODE; 3213 vport->fc_flag |= FC_RSCN_MODE;
3103 spin_unlock_irq(shost->host_lock); 3214 spin_unlock_irq(shost->host_lock);
3104 vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; 3215 vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd;
3216 /* Indicate we are done walking fc_rscn_id_list on this vport */
3217 vport->fc_rscn_flush = 0;
3105 /* 3218 /*
3106 * If we zero, cmdiocb->context2, the calling routine will 3219 * If we zero, cmdiocb->context2, the calling routine will
3107 * not try to free it. 3220 * not try to free it.
3108 */ 3221 */
3109 cmdiocb->context2 = NULL; 3222 cmdiocb->context2 = NULL;
3110
3111 lpfc_set_disctmo(vport); 3223 lpfc_set_disctmo(vport);
3112
3113 /* Send back ACC */ 3224 /* Send back ACC */
3114 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); 3225 lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
3115
3116 /* send RECOVERY event for ALL nodes that match RSCN payload */ 3226 /* send RECOVERY event for ALL nodes that match RSCN payload */
3117 lpfc_rscn_recovery_check(vport); 3227 lpfc_rscn_recovery_check(vport);
3118
3119 return lpfc_els_handle_rscn(vport); 3228 return lpfc_els_handle_rscn(vport);
3120} 3229}
3121 3230
@@ -3145,7 +3254,8 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
3145 vport->num_disc_nodes = 0; 3254 vport->num_disc_nodes = 0;
3146 3255
3147 ndlp = lpfc_findnode_did(vport, NameServer_DID); 3256 ndlp = lpfc_findnode_did(vport, NameServer_DID);
3148 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { 3257 if (ndlp && NLP_CHK_NODE_ACT(ndlp)
3258 && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
3149 /* Good ndlp, issue CT Request to NameServer */ 3259 /* Good ndlp, issue CT Request to NameServer */
3150 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) 3260 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
3151 /* Wait for NameServer query cmpl before we can 3261 /* Wait for NameServer query cmpl before we can
@@ -3155,25 +3265,35 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
3155 /* If login to NameServer does not exist, issue one */ 3265 /* If login to NameServer does not exist, issue one */
3156 /* Good status, issue PLOGI to NameServer */ 3266 /* Good status, issue PLOGI to NameServer */
3157 ndlp = lpfc_findnode_did(vport, NameServer_DID); 3267 ndlp = lpfc_findnode_did(vport, NameServer_DID);
3158 if (ndlp) 3268 if (ndlp && NLP_CHK_NODE_ACT(ndlp))
3159 /* Wait for NameServer login cmpl before we can 3269 /* Wait for NameServer login cmpl before we can
3160 continue */ 3270 continue */
3161 return 1; 3271 return 1;
3162 3272
3163 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); 3273 if (ndlp) {
3164 if (!ndlp) { 3274 ndlp = lpfc_enable_node(vport, ndlp,
3165 lpfc_els_flush_rscn(vport); 3275 NLP_STE_PLOGI_ISSUE);
3166 return 0; 3276 if (!ndlp) {
3277 lpfc_els_flush_rscn(vport);
3278 return 0;
3279 }
3280 ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE;
3167 } else { 3281 } else {
3282 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
3283 if (!ndlp) {
3284 lpfc_els_flush_rscn(vport);
3285 return 0;
3286 }
3168 lpfc_nlp_init(vport, ndlp, NameServer_DID); 3287 lpfc_nlp_init(vport, ndlp, NameServer_DID);
3169 ndlp->nlp_type |= NLP_FABRIC;
3170 ndlp->nlp_prev_state = ndlp->nlp_state; 3288 ndlp->nlp_prev_state = ndlp->nlp_state;
3171 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 3289 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
3172 lpfc_issue_els_plogi(vport, NameServer_DID, 0);
3173 /* Wait for NameServer login cmpl before we can
3174 continue */
3175 return 1;
3176 } 3290 }
3291 ndlp->nlp_type |= NLP_FABRIC;
3292 lpfc_issue_els_plogi(vport, NameServer_DID, 0);
3293 /* Wait for NameServer login cmpl before we can
3294 * continue
3295 */
3296 return 1;
3177 } 3297 }
3178 3298
3179 lpfc_els_flush_rscn(vport); 3299 lpfc_els_flush_rscn(vport);
@@ -3672,6 +3792,8 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3672 3792
3673 list_for_each_entry_safe(ndlp, next_ndlp, 3793 list_for_each_entry_safe(ndlp, next_ndlp,
3674 &vport->fc_nodes, nlp_listp) { 3794 &vport->fc_nodes, nlp_listp) {
3795 if (!NLP_CHK_NODE_ACT(ndlp))
3796 continue;
3675 if (ndlp->nlp_state != NLP_STE_NPR_NODE) 3797 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3676 continue; 3798 continue;
3677 if (ndlp->nlp_type & NLP_FABRIC) { 3799 if (ndlp->nlp_type & NLP_FABRIC) {
@@ -3697,6 +3819,8 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
3697 */ 3819 */
3698 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, 3820 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
3699 nlp_listp) { 3821 nlp_listp) {
3822 if (!NLP_CHK_NODE_ACT(ndlp))
3823 continue;
3700 if (ndlp->nlp_state != NLP_STE_NPR_NODE) 3824 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
3701 continue; 3825 continue;
3702 3826
@@ -3936,7 +4060,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3936 uint32_t cmd, did, newnode, rjt_err = 0; 4060 uint32_t cmd, did, newnode, rjt_err = 0;
3937 IOCB_t *icmd = &elsiocb->iocb; 4061 IOCB_t *icmd = &elsiocb->iocb;
3938 4062
3939 if (vport == NULL || elsiocb->context2 == NULL) 4063 if (!vport || !(elsiocb->context2))
3940 goto dropit; 4064 goto dropit;
3941 4065
3942 newnode = 0; 4066 newnode = 0;
@@ -3971,14 +4095,20 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3971 lpfc_nlp_init(vport, ndlp, did); 4095 lpfc_nlp_init(vport, ndlp, did);
3972 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 4096 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
3973 newnode = 1; 4097 newnode = 1;
3974 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { 4098 if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
3975 ndlp->nlp_type |= NLP_FABRIC; 4099 ndlp->nlp_type |= NLP_FABRIC;
4100 } else {
4101 if (!NLP_CHK_NODE_ACT(ndlp)) {
4102 ndlp = lpfc_enable_node(vport, ndlp,
4103 NLP_STE_UNUSED_NODE);
4104 if (!ndlp)
4105 goto dropit;
3976 } 4106 }
3977 }
3978 else {
3979 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { 4107 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
3980 /* This is simular to the new node path */ 4108 /* This is simular to the new node path */
3981 lpfc_nlp_get(ndlp); 4109 ndlp = lpfc_nlp_get(ndlp);
4110 if (!ndlp)
4111 goto dropit;
3982 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 4112 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
3983 newnode = 1; 4113 newnode = 1;
3984 } 4114 }
@@ -3987,6 +4117,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3987 phba->fc_stat.elsRcvFrame++; 4117 phba->fc_stat.elsRcvFrame++;
3988 if (elsiocb->context1) 4118 if (elsiocb->context1)
3989 lpfc_nlp_put(elsiocb->context1); 4119 lpfc_nlp_put(elsiocb->context1);
4120
3990 elsiocb->context1 = lpfc_nlp_get(ndlp); 4121 elsiocb->context1 = lpfc_nlp_get(ndlp);
3991 elsiocb->vport = vport; 4122 elsiocb->vport = vport;
3992 4123
@@ -4007,8 +4138,15 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
4007 ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); 4138 ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
4008 4139
4009 if (vport->port_state < LPFC_DISC_AUTH) { 4140 if (vport->port_state < LPFC_DISC_AUTH) {
4010 rjt_err = LSRJT_UNABLE_TPC; 4141 if (!(phba->pport->fc_flag & FC_PT2PT) ||
4011 break; 4142 (phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
4143 rjt_err = LSRJT_UNABLE_TPC;
4144 break;
4145 }
4146 /* We get here, and drop thru, if we are PT2PT with
4147 * another NPort and the other side has initiated
4148 * the PLOGI before responding to our FLOGI.
4149 */
4012 } 4150 }
4013 4151
4014 shost = lpfc_shost_from_vport(vport); 4152 shost = lpfc_shost_from_vport(vport);
@@ -4251,15 +4389,15 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
4251 vport = lpfc_find_vport_by_vpid(phba, vpi); 4389 vport = lpfc_find_vport_by_vpid(phba, vpi);
4252 } 4390 }
4253 } 4391 }
4254 /* If there are no BDEs associated 4392 /* If there are no BDEs associated
4255 * with this IOCB, there is nothing to do. 4393 * with this IOCB, there is nothing to do.
4256 */ 4394 */
4257 if (icmd->ulpBdeCount == 0) 4395 if (icmd->ulpBdeCount == 0)
4258 return; 4396 return;
4259 4397
4260 /* type of ELS cmd is first 32bit word 4398 /* type of ELS cmd is first 32bit word
4261 * in packet 4399 * in packet
4262 */ 4400 */
4263 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 4401 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
4264 elsiocb->context2 = bdeBuf1; 4402 elsiocb->context2 = bdeBuf1;
4265 } else { 4403 } else {
@@ -4314,6 +4452,18 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
4314 } 4452 }
4315 lpfc_nlp_init(vport, ndlp, NameServer_DID); 4453 lpfc_nlp_init(vport, ndlp, NameServer_DID);
4316 ndlp->nlp_type |= NLP_FABRIC; 4454 ndlp->nlp_type |= NLP_FABRIC;
4455 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4456 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
4457 if (!ndlp) {
4458 if (phba->fc_topology == TOPOLOGY_LOOP) {
4459 lpfc_disc_start(vport);
4460 return;
4461 }
4462 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4463 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
4464 "0348 NameServer login: node freed\n");
4465 return;
4466 }
4317 } 4467 }
4318 4468
4319 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); 4469 lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
@@ -4360,6 +4510,7 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4360 switch (mb->mbxStatus) { 4510 switch (mb->mbxStatus) {
4361 case 0x11: /* unsupported feature */ 4511 case 0x11: /* unsupported feature */
4362 case 0x9603: /* max_vpi exceeded */ 4512 case 0x9603: /* max_vpi exceeded */
4513 case 0x9602: /* Link event since CLEAR_LA */
4363 /* giving up on vport registration */ 4514 /* giving up on vport registration */
4364 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 4515 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4365 spin_lock_irq(shost->host_lock); 4516 spin_lock_irq(shost->host_lock);
@@ -4373,7 +4524,10 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4373 spin_lock_irq(shost->host_lock); 4524 spin_lock_irq(shost->host_lock);
4374 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 4525 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
4375 spin_unlock_irq(shost->host_lock); 4526 spin_unlock_irq(shost->host_lock);
4376 lpfc_initial_fdisc(vport); 4527 if (vport->port_type == LPFC_PHYSICAL_PORT)
4528 lpfc_initial_flogi(vport);
4529 else
4530 lpfc_initial_fdisc(vport);
4377 break; 4531 break;
4378 } 4532 }
4379 4533
@@ -4471,7 +4625,6 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4471 irsp->ulpStatus, irsp->un.ulpWord[4]); 4625 irsp->ulpStatus, irsp->un.ulpWord[4]);
4472 if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING) 4626 if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
4473 lpfc_vport_set_state(vport, FC_VPORT_FAILED); 4627 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
4474
4475 lpfc_nlp_put(ndlp); 4628 lpfc_nlp_put(ndlp);
4476 /* giving up on FDISC. Cancel discovery timer */ 4629 /* giving up on FDISC. Cancel discovery timer */
4477 lpfc_can_disctmo(vport); 4630 lpfc_can_disctmo(vport);
@@ -4492,8 +4645,9 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4492 */ 4645 */
4493 list_for_each_entry_safe(np, next_np, 4646 list_for_each_entry_safe(np, next_np,
4494 &vport->fc_nodes, nlp_listp) { 4647 &vport->fc_nodes, nlp_listp) {
4495 if (np->nlp_state != NLP_STE_NPR_NODE 4648 if (!NLP_CHK_NODE_ACT(ndlp) ||
4496 || !(np->nlp_flag & NLP_NPR_ADISC)) 4649 (np->nlp_state != NLP_STE_NPR_NODE) ||
4650 !(np->nlp_flag & NLP_NPR_ADISC))
4497 continue; 4651 continue;
4498 spin_lock_irq(shost->host_lock); 4652 spin_lock_irq(shost->host_lock);
4499 np->nlp_flag &= ~NLP_NPR_ADISC; 4653 np->nlp_flag &= ~NLP_NPR_ADISC;
@@ -4599,6 +4753,8 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4599{ 4753{
4600 struct lpfc_vport *vport = cmdiocb->vport; 4754 struct lpfc_vport *vport = cmdiocb->vport;
4601 IOCB_t *irsp; 4755 IOCB_t *irsp;
4756 struct lpfc_nodelist *ndlp;
4757 ndlp = (struct lpfc_nodelist *)cmdiocb->context1;
4602 4758
4603 irsp = &rspiocb->iocb; 4759 irsp = &rspiocb->iocb;
4604 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, 4760 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
@@ -4607,6 +4763,9 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4607 4763
4608 lpfc_els_free_iocb(phba, cmdiocb); 4764 lpfc_els_free_iocb(phba, cmdiocb);
4609 vport->unreg_vpi_cmpl = VPORT_ERROR; 4765 vport->unreg_vpi_cmpl = VPORT_ERROR;
4766
4767 /* Trigger the release of the ndlp after logo */
4768 lpfc_nlp_put(ndlp);
4610} 4769}
4611 4770
4612int 4771int
@@ -4686,11 +4845,12 @@ lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
4686repeat: 4845repeat:
4687 iocb = NULL; 4846 iocb = NULL;
4688 spin_lock_irqsave(&phba->hbalock, iflags); 4847 spin_lock_irqsave(&phba->hbalock, iflags);
4689 /* Post any pending iocb to the SLI layer */ 4848 /* Post any pending iocb to the SLI layer */
4690 if (atomic_read(&phba->fabric_iocb_count) == 0) { 4849 if (atomic_read(&phba->fabric_iocb_count) == 0) {
4691 list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), 4850 list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb),
4692 list); 4851 list);
4693 if (iocb) 4852 if (iocb)
4853 /* Increment fabric iocb count to hold the position */
4694 atomic_inc(&phba->fabric_iocb_count); 4854 atomic_inc(&phba->fabric_iocb_count);
4695 } 4855 }
4696 spin_unlock_irqrestore(&phba->hbalock, iflags); 4856 spin_unlock_irqrestore(&phba->hbalock, iflags);
@@ -4737,9 +4897,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
4737 int blocked; 4897 int blocked;
4738 4898
4739 blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); 4899 blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4740 /* Start a timer to unblock fabric 4900 /* Start a timer to unblock fabric iocbs after 100ms */
4741 * iocbs after 100ms
4742 */
4743 if (!blocked) 4901 if (!blocked)
4744 mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 ); 4902 mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 );
4745 4903
@@ -4787,8 +4945,8 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
4787 4945
4788 atomic_dec(&phba->fabric_iocb_count); 4946 atomic_dec(&phba->fabric_iocb_count);
4789 if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { 4947 if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
4790 /* Post any pending iocbs to HBA */ 4948 /* Post any pending iocbs to HBA */
4791 lpfc_resume_fabric_iocbs(phba); 4949 lpfc_resume_fabric_iocbs(phba);
4792 } 4950 }
4793} 4951}
4794 4952
@@ -4807,6 +4965,9 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
4807 ready = atomic_read(&phba->fabric_iocb_count) == 0 && 4965 ready = atomic_read(&phba->fabric_iocb_count) == 0 &&
4808 !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); 4966 !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
4809 4967
4968 if (ready)
4969 /* Increment fabric iocb count to hold the position */
4970 atomic_inc(&phba->fabric_iocb_count);
4810 spin_unlock_irqrestore(&phba->hbalock, iflags); 4971 spin_unlock_irqrestore(&phba->hbalock, iflags);
4811 if (ready) { 4972 if (ready) {
4812 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; 4973 iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
@@ -4817,7 +4978,6 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
4817 "Fabric sched2: ste:x%x", 4978 "Fabric sched2: ste:x%x",
4818 iocb->vport->port_state, 0, 0); 4979 iocb->vport->port_state, 0, 0);
4819 4980
4820 atomic_inc(&phba->fabric_iocb_count);
4821 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0); 4981 ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
4822 4982
4823 if (ret == IOCB_ERROR) { 4983 if (ret == IOCB_ERROR) {
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index dc042bd97baa..bd572d6b60af 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -272,9 +272,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
272 if (!(vport->load_flag & FC_UNLOADING) && 272 if (!(vport->load_flag & FC_UNLOADING) &&
273 !(ndlp->nlp_flag & NLP_DELAY_TMO) && 273 !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
274 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && 274 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
275 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) { 275 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE))
276 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); 276 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
277 }
278} 277}
279 278
280 279
@@ -566,9 +565,10 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
566 int rc; 565 int rc;
567 566
568 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 567 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
568 if (!NLP_CHK_NODE_ACT(ndlp))
569 continue;
569 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 570 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
570 continue; 571 continue;
571
572 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || 572 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
573 ((vport->port_type == LPFC_NPIV_PORT) && 573 ((vport->port_type == LPFC_NPIV_PORT) &&
574 (ndlp->nlp_DID == NameServer_DID))) 574 (ndlp->nlp_DID == NameServer_DID)))
@@ -629,9 +629,8 @@ lpfc_linkdown(struct lpfc_hba *phba)
629 LPFC_MBOXQ_t *mb; 629 LPFC_MBOXQ_t *mb;
630 int i; 630 int i;
631 631
632 if (phba->link_state == LPFC_LINK_DOWN) { 632 if (phba->link_state == LPFC_LINK_DOWN)
633 return 0; 633 return 0;
634 }
635 spin_lock_irq(&phba->hbalock); 634 spin_lock_irq(&phba->hbalock);
636 if (phba->link_state > LPFC_LINK_DOWN) { 635 if (phba->link_state > LPFC_LINK_DOWN) {
637 phba->link_state = LPFC_LINK_DOWN; 636 phba->link_state = LPFC_LINK_DOWN;
@@ -684,20 +683,21 @@ lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport)
684 struct lpfc_nodelist *ndlp; 683 struct lpfc_nodelist *ndlp;
685 684
686 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 685 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
686 if (!NLP_CHK_NODE_ACT(ndlp))
687 continue;
687 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 688 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
688 continue; 689 continue;
689
690 if (ndlp->nlp_type & NLP_FABRIC) { 690 if (ndlp->nlp_type & NLP_FABRIC) {
691 /* On Linkup its safe to clean up the ndlp 691 /* On Linkup its safe to clean up the ndlp
692 * from Fabric connections. 692 * from Fabric connections.
693 */ 693 */
694 if (ndlp->nlp_DID != Fabric_DID) 694 if (ndlp->nlp_DID != Fabric_DID)
695 lpfc_unreg_rpi(vport, ndlp); 695 lpfc_unreg_rpi(vport, ndlp);
696 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); 696 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
697 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { 697 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
698 /* Fail outstanding IO now since device is 698 /* Fail outstanding IO now since device is
699 * marked for PLOGI. 699 * marked for PLOGI.
700 */ 700 */
701 lpfc_unreg_rpi(vport, ndlp); 701 lpfc_unreg_rpi(vport, ndlp);
702 } 702 }
703 } 703 }
@@ -799,21 +799,9 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
799 writel(control, phba->HCregaddr); 799 writel(control, phba->HCregaddr);
800 readl(phba->HCregaddr); /* flush */ 800 readl(phba->HCregaddr); /* flush */
801 spin_unlock_irq(&phba->hbalock); 801 spin_unlock_irq(&phba->hbalock);
802 mempool_free(pmb, phba->mbox_mem_pool);
802 return; 803 return;
803 804
804 vport->num_disc_nodes = 0;
805 /* go thru NPR nodes and issue ELS PLOGIs */
806 if (vport->fc_npr_cnt)
807 lpfc_els_disc_plogi(vport);
808
809 if (!vport->num_disc_nodes) {
810 spin_lock_irq(shost->host_lock);
811 vport->fc_flag &= ~FC_NDISC_ACTIVE;
812 spin_unlock_irq(shost->host_lock);
813 }
814
815 vport->port_state = LPFC_VPORT_READY;
816
817out: 805out:
818 /* Device Discovery completes */ 806 /* Device Discovery completes */
819 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 807 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
@@ -1133,7 +1121,7 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1133 if (la->attType == AT_LINK_UP) { 1121 if (la->attType == AT_LINK_UP) {
1134 phba->fc_stat.LinkUp++; 1122 phba->fc_stat.LinkUp++;
1135 if (phba->link_flag & LS_LOOPBACK_MODE) { 1123 if (phba->link_flag & LS_LOOPBACK_MODE) {
1136 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, 1124 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1137 "1306 Link Up Event in loop back mode " 1125 "1306 Link Up Event in loop back mode "
1138 "x%x received Data: x%x x%x x%x x%x\n", 1126 "x%x received Data: x%x x%x x%x x%x\n",
1139 la->eventTag, phba->fc_eventTag, 1127 la->eventTag, phba->fc_eventTag,
@@ -1150,11 +1138,21 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1150 lpfc_mbx_process_link_up(phba, la); 1138 lpfc_mbx_process_link_up(phba, la);
1151 } else { 1139 } else {
1152 phba->fc_stat.LinkDown++; 1140 phba->fc_stat.LinkDown++;
1153 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, 1141 if (phba->link_flag & LS_LOOPBACK_MODE) {
1142 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1143 "1308 Link Down Event in loop back mode "
1144 "x%x received "
1145 "Data: x%x x%x x%x\n",
1146 la->eventTag, phba->fc_eventTag,
1147 phba->pport->port_state, vport->fc_flag);
1148 }
1149 else {
1150 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
1154 "1305 Link Down Event x%x received " 1151 "1305 Link Down Event x%x received "
1155 "Data: x%x x%x x%x\n", 1152 "Data: x%x x%x x%x\n",
1156 la->eventTag, phba->fc_eventTag, 1153 la->eventTag, phba->fc_eventTag,
1157 phba->pport->port_state, vport->fc_flag); 1154 phba->pport->port_state, vport->fc_flag);
1155 }
1158 lpfc_mbx_issue_link_down(phba); 1156 lpfc_mbx_issue_link_down(phba);
1159 } 1157 }
1160 1158
@@ -1305,7 +1303,6 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1305 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1303 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1306 kfree(mp); 1304 kfree(mp);
1307 mempool_free(pmb, phba->mbox_mem_pool); 1305 mempool_free(pmb, phba->mbox_mem_pool);
1308 lpfc_nlp_put(ndlp);
1309 1306
1310 if (phba->fc_topology == TOPOLOGY_LOOP) { 1307 if (phba->fc_topology == TOPOLOGY_LOOP) {
1311 /* FLOGI failed, use loop map to make discovery list */ 1308 /* FLOGI failed, use loop map to make discovery list */
@@ -1313,6 +1310,10 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1313 1310
1314 /* Start discovery */ 1311 /* Start discovery */
1315 lpfc_disc_start(vport); 1312 lpfc_disc_start(vport);
1313 /* Decrement the reference count to ndlp after the
1314 * reference to the ndlp are done.
1315 */
1316 lpfc_nlp_put(ndlp);
1316 return; 1317 return;
1317 } 1318 }
1318 1319
@@ -1320,6 +1321,10 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1320 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, 1321 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1321 "0258 Register Fabric login error: 0x%x\n", 1322 "0258 Register Fabric login error: 0x%x\n",
1322 mb->mbxStatus); 1323 mb->mbxStatus);
1324 /* Decrement the reference count to ndlp after the reference
1325 * to the ndlp are done.
1326 */
1327 lpfc_nlp_put(ndlp);
1323 return; 1328 return;
1324 } 1329 }
1325 1330
@@ -1327,8 +1332,6 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1327 ndlp->nlp_type |= NLP_FABRIC; 1332 ndlp->nlp_type |= NLP_FABRIC;
1328 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); 1333 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
1329 1334
1330 lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */
1331
1332 if (vport->port_state == LPFC_FABRIC_CFG_LINK) { 1335 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
1333 vports = lpfc_create_vport_work_array(phba); 1336 vports = lpfc_create_vport_work_array(phba);
1334 if (vports != NULL) 1337 if (vports != NULL)
@@ -1356,6 +1359,11 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1356 lpfc_mbuf_free(phba, mp->virt, mp->phys); 1359 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1357 kfree(mp); 1360 kfree(mp);
1358 mempool_free(pmb, phba->mbox_mem_pool); 1361 mempool_free(pmb, phba->mbox_mem_pool);
1362
1363 /* Drop the reference count from the mbox at the end after
1364 * all the current reference to the ndlp have been done.
1365 */
1366 lpfc_nlp_put(ndlp);
1359 return; 1367 return;
1360} 1368}
1361 1369
@@ -1463,9 +1471,8 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1463 * registered the port. 1471 * registered the port.
1464 */ 1472 */
1465 if (ndlp->rport && ndlp->rport->dd_data && 1473 if (ndlp->rport && ndlp->rport->dd_data &&
1466 ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) { 1474 ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp)
1467 lpfc_nlp_put(ndlp); 1475 lpfc_nlp_put(ndlp);
1468 }
1469 1476
1470 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, 1477 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
1471 "rport add: did:x%x flg:x%x type x%x", 1478 "rport add: did:x%x flg:x%x type x%x",
@@ -1660,6 +1667,18 @@ lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1660} 1667}
1661 1668
1662void 1669void
1670lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1671{
1672 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1673
1674 if (list_empty(&ndlp->nlp_listp)) {
1675 spin_lock_irq(shost->host_lock);
1676 list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
1677 spin_unlock_irq(shost->host_lock);
1678 }
1679}
1680
1681void
1663lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 1682lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1664{ 1683{
1665 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 1684 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
@@ -1672,7 +1691,80 @@ lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1672 list_del_init(&ndlp->nlp_listp); 1691 list_del_init(&ndlp->nlp_listp);
1673 spin_unlock_irq(shost->host_lock); 1692 spin_unlock_irq(shost->host_lock);
1674 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, 1693 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
1675 NLP_STE_UNUSED_NODE); 1694 NLP_STE_UNUSED_NODE);
1695}
1696
1697void
1698lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1699{
1700 if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0)
1701 lpfc_cancel_retry_delay_tmo(vport, ndlp);
1702 if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
1703 lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
1704 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
1705 NLP_STE_UNUSED_NODE);
1706}
1707
1708struct lpfc_nodelist *
1709lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
1710 int state)
1711{
1712 struct lpfc_hba *phba = vport->phba;
1713 uint32_t did;
1714 unsigned long flags;
1715
1716 if (!ndlp)
1717 return NULL;
1718
1719 spin_lock_irqsave(&phba->ndlp_lock, flags);
1720 /* The ndlp should not be in memory free mode */
1721 if (NLP_CHK_FREE_REQ(ndlp)) {
1722 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
1723 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
1724 "0277 lpfc_enable_node: ndlp:x%p "
1725 "usgmap:x%x refcnt:%d\n",
1726 (void *)ndlp, ndlp->nlp_usg_map,
1727 atomic_read(&ndlp->kref.refcount));
1728 return NULL;
1729 }
1730 /* The ndlp should not already be in active mode */
1731 if (NLP_CHK_NODE_ACT(ndlp)) {
1732 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
1733 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
1734 "0278 lpfc_enable_node: ndlp:x%p "
1735 "usgmap:x%x refcnt:%d\n",
1736 (void *)ndlp, ndlp->nlp_usg_map,
1737 atomic_read(&ndlp->kref.refcount));
1738 return NULL;
1739 }
1740
1741 /* Keep the original DID */
1742 did = ndlp->nlp_DID;
1743
1744 /* re-initialize ndlp except of ndlp linked list pointer */
1745 memset((((char *)ndlp) + sizeof (struct list_head)), 0,
1746 sizeof (struct lpfc_nodelist) - sizeof (struct list_head));
1747 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
1748 INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
1749 init_timer(&ndlp->nlp_delayfunc);
1750 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
1751 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
1752 ndlp->nlp_DID = did;
1753 ndlp->vport = vport;
1754 ndlp->nlp_sid = NLP_NO_SID;
1755 /* ndlp management re-initialize */
1756 kref_init(&ndlp->kref);
1757 NLP_INT_NODE_ACT(ndlp);
1758
1759 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
1760
1761 if (state != NLP_STE_UNUSED_NODE)
1762 lpfc_nlp_set_state(vport, ndlp, state);
1763
1764 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
1765 "node enable: did:x%x",
1766 ndlp->nlp_DID, 0, 0);
1767 return ndlp;
1676} 1768}
1677 1769
1678void 1770void
@@ -1972,7 +2064,21 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1972 "Data: x%x x%x x%x\n", 2064 "Data: x%x x%x x%x\n",
1973 ndlp->nlp_DID, ndlp->nlp_flag, 2065 ndlp->nlp_DID, ndlp->nlp_flag,
1974 ndlp->nlp_state, ndlp->nlp_rpi); 2066 ndlp->nlp_state, ndlp->nlp_rpi);
1975 lpfc_dequeue_node(vport, ndlp); 2067 if (NLP_CHK_FREE_REQ(ndlp)) {
2068 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
2069 "0280 lpfc_cleanup_node: ndlp:x%p "
2070 "usgmap:x%x refcnt:%d\n",
2071 (void *)ndlp, ndlp->nlp_usg_map,
2072 atomic_read(&ndlp->kref.refcount));
2073 lpfc_dequeue_node(vport, ndlp);
2074 } else {
2075 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
2076 "0281 lpfc_cleanup_node: ndlp:x%p "
2077 "usgmap:x%x refcnt:%d\n",
2078 (void *)ndlp, ndlp->nlp_usg_map,
2079 atomic_read(&ndlp->kref.refcount));
2080 lpfc_disable_node(vport, ndlp);
2081 }
1976 2082
1977 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ 2083 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1978 if ((mb = phba->sli.mbox_active)) { 2084 if ((mb = phba->sli.mbox_active)) {
@@ -1994,12 +2100,16 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
1994 } 2100 }
1995 list_del(&mb->list); 2101 list_del(&mb->list);
1996 mempool_free(mb, phba->mbox_mem_pool); 2102 mempool_free(mb, phba->mbox_mem_pool);
1997 lpfc_nlp_put(ndlp); 2103 /* We shall not invoke the lpfc_nlp_put to decrement
2104 * the ndlp reference count as we are in the process
2105 * of lpfc_nlp_release.
2106 */
1998 } 2107 }
1999 } 2108 }
2000 spin_unlock_irq(&phba->hbalock); 2109 spin_unlock_irq(&phba->hbalock);
2001 2110
2002 lpfc_els_abort(phba,ndlp); 2111 lpfc_els_abort(phba, ndlp);
2112
2003 spin_lock_irq(shost->host_lock); 2113 spin_lock_irq(shost->host_lock);
2004 ndlp->nlp_flag &= ~NLP_DELAY_TMO; 2114 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
2005 spin_unlock_irq(shost->host_lock); 2115 spin_unlock_irq(shost->host_lock);
@@ -2057,7 +2167,6 @@ lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
2057 } 2167 }
2058 } 2168 }
2059 } 2169 }
2060
2061 lpfc_cleanup_node(vport, ndlp); 2170 lpfc_cleanup_node(vport, ndlp);
2062 2171
2063 /* 2172 /*
@@ -2182,7 +2291,16 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
2182 ndlp->nlp_flag |= NLP_NPR_2B_DISC; 2291 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2183 spin_unlock_irq(shost->host_lock); 2292 spin_unlock_irq(shost->host_lock);
2184 return ndlp; 2293 return ndlp;
2294 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
2295 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE);
2296 if (!ndlp)
2297 return NULL;
2298 spin_lock_irq(shost->host_lock);
2299 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
2300 spin_unlock_irq(shost->host_lock);
2301 return ndlp;
2185 } 2302 }
2303
2186 if (vport->fc_flag & FC_RSCN_MODE) { 2304 if (vport->fc_flag & FC_RSCN_MODE) {
2187 if (lpfc_rscn_payload_check(vport, did)) { 2305 if (lpfc_rscn_payload_check(vport, did)) {
2188 /* If we've already recieved a PLOGI from this NPort 2306 /* If we've already recieved a PLOGI from this NPort
@@ -2363,6 +2481,7 @@ lpfc_disc_start(struct lpfc_vport *vport)
2363 * continue discovery. 2481 * continue discovery.
2364 */ 2482 */
2365 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && 2483 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
2484 !(vport->fc_flag & FC_PT2PT) &&
2366 !(vport->fc_flag & FC_RSCN_MODE)) { 2485 !(vport->fc_flag & FC_RSCN_MODE)) {
2367 lpfc_issue_reg_vpi(phba, vport); 2486 lpfc_issue_reg_vpi(phba, vport);
2368 return; 2487 return;
@@ -2485,6 +2604,8 @@ lpfc_disc_flush_list(struct lpfc_vport *vport)
2485 if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { 2604 if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) {
2486 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, 2605 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
2487 nlp_listp) { 2606 nlp_listp) {
2607 if (!NLP_CHK_NODE_ACT(ndlp))
2608 continue;
2488 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || 2609 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
2489 ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { 2610 ndlp->nlp_state == NLP_STE_ADISC_ISSUE) {
2490 lpfc_free_tx(phba, ndlp); 2611 lpfc_free_tx(phba, ndlp);
@@ -2572,6 +2693,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
2572 /* Start discovery by sending FLOGI, clean up old rpis */ 2693 /* Start discovery by sending FLOGI, clean up old rpis */
2573 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, 2694 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
2574 nlp_listp) { 2695 nlp_listp) {
2696 if (!NLP_CHK_NODE_ACT(ndlp))
2697 continue;
2575 if (ndlp->nlp_state != NLP_STE_NPR_NODE) 2698 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
2576 continue; 2699 continue;
2577 if (ndlp->nlp_type & NLP_FABRIC) { 2700 if (ndlp->nlp_type & NLP_FABRIC) {
@@ -2618,7 +2741,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
2618 "NameServer login\n"); 2741 "NameServer login\n");
2619 /* Next look for NameServer ndlp */ 2742 /* Next look for NameServer ndlp */
2620 ndlp = lpfc_findnode_did(vport, NameServer_DID); 2743 ndlp = lpfc_findnode_did(vport, NameServer_DID);
2621 if (ndlp) 2744 if (ndlp && NLP_CHK_NODE_ACT(ndlp))
2622 lpfc_els_abort(phba, ndlp); 2745 lpfc_els_abort(phba, ndlp);
2623 2746
2624 /* ReStart discovery */ 2747 /* ReStart discovery */
@@ -2897,6 +3020,7 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2897 ndlp->nlp_sid = NLP_NO_SID; 3020 ndlp->nlp_sid = NLP_NO_SID;
2898 INIT_LIST_HEAD(&ndlp->nlp_listp); 3021 INIT_LIST_HEAD(&ndlp->nlp_listp);
2899 kref_init(&ndlp->kref); 3022 kref_init(&ndlp->kref);
3023 NLP_INT_NODE_ACT(ndlp);
2900 3024
2901 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, 3025 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
2902 "node init: did:x%x", 3026 "node init: did:x%x",
@@ -2911,6 +3035,8 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2911static void 3035static void
2912lpfc_nlp_release(struct kref *kref) 3036lpfc_nlp_release(struct kref *kref)
2913{ 3037{
3038 struct lpfc_hba *phba;
3039 unsigned long flags;
2914 struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, 3040 struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist,
2915 kref); 3041 kref);
2916 3042
@@ -2918,8 +3044,24 @@ lpfc_nlp_release(struct kref *kref)
2918 "node release: did:x%x flg:x%x type:x%x", 3044 "node release: did:x%x flg:x%x type:x%x",
2919 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); 3045 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
2920 3046
3047 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3048 "0279 lpfc_nlp_release: ndlp:x%p "
3049 "usgmap:x%x refcnt:%d\n",
3050 (void *)ndlp, ndlp->nlp_usg_map,
3051 atomic_read(&ndlp->kref.refcount));
3052
3053 /* remove ndlp from action. */
2921 lpfc_nlp_remove(ndlp->vport, ndlp); 3054 lpfc_nlp_remove(ndlp->vport, ndlp);
2922 mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); 3055
3056 /* clear the ndlp active flag for all release cases */
3057 phba = ndlp->vport->phba;
3058 spin_lock_irqsave(&phba->ndlp_lock, flags);
3059 NLP_CLR_NODE_ACT(ndlp);
3060 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3061
3062 /* free ndlp memory for final ndlp release */
3063 if (NLP_CHK_FREE_REQ(ndlp))
3064 mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
2923} 3065}
2924 3066
2925/* This routine bumps the reference count for a ndlp structure to ensure 3067/* This routine bumps the reference count for a ndlp structure to ensure
@@ -2929,37 +3071,108 @@ lpfc_nlp_release(struct kref *kref)
2929struct lpfc_nodelist * 3071struct lpfc_nodelist *
2930lpfc_nlp_get(struct lpfc_nodelist *ndlp) 3072lpfc_nlp_get(struct lpfc_nodelist *ndlp)
2931{ 3073{
3074 struct lpfc_hba *phba;
3075 unsigned long flags;
3076
2932 if (ndlp) { 3077 if (ndlp) {
2933 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, 3078 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
2934 "node get: did:x%x flg:x%x refcnt:x%x", 3079 "node get: did:x%x flg:x%x refcnt:x%x",
2935 ndlp->nlp_DID, ndlp->nlp_flag, 3080 ndlp->nlp_DID, ndlp->nlp_flag,
2936 atomic_read(&ndlp->kref.refcount)); 3081 atomic_read(&ndlp->kref.refcount));
2937 kref_get(&ndlp->kref); 3082 /* The check of ndlp usage to prevent incrementing the
3083 * ndlp reference count that is in the process of being
3084 * released.
3085 */
3086 phba = ndlp->vport->phba;
3087 spin_lock_irqsave(&phba->ndlp_lock, flags);
3088 if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
3089 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3090 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
3091 "0276 lpfc_nlp_get: ndlp:x%p "
3092 "usgmap:x%x refcnt:%d\n",
3093 (void *)ndlp, ndlp->nlp_usg_map,
3094 atomic_read(&ndlp->kref.refcount));
3095 return NULL;
3096 } else
3097 kref_get(&ndlp->kref);
3098 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
2938 } 3099 }
2939 return ndlp; 3100 return ndlp;
2940} 3101}
2941 3102
2942
2943/* This routine decrements the reference count for a ndlp structure. If the 3103/* This routine decrements the reference count for a ndlp structure. If the
2944 * count goes to 0, this indicates the the associated nodelist should be freed. 3104 * count goes to 0, this indicates the the associated nodelist should be
3105 * freed. Returning 1 indicates the ndlp resource has been released; on the
3106 * other hand, returning 0 indicates the ndlp resource has not been released
3107 * yet.
2945 */ 3108 */
2946int 3109int
2947lpfc_nlp_put(struct lpfc_nodelist *ndlp) 3110lpfc_nlp_put(struct lpfc_nodelist *ndlp)
2948{ 3111{
2949 if (ndlp) { 3112 struct lpfc_hba *phba;
2950 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, 3113 unsigned long flags;
2951 "node put: did:x%x flg:x%x refcnt:x%x", 3114
2952 ndlp->nlp_DID, ndlp->nlp_flag, 3115 if (!ndlp)
2953 atomic_read(&ndlp->kref.refcount)); 3116 return 1;
3117
3118 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
3119 "node put: did:x%x flg:x%x refcnt:x%x",
3120 ndlp->nlp_DID, ndlp->nlp_flag,
3121 atomic_read(&ndlp->kref.refcount));
3122 phba = ndlp->vport->phba;
3123 spin_lock_irqsave(&phba->ndlp_lock, flags);
3124 /* Check the ndlp memory free acknowledge flag to avoid the
3125 * possible race condition that kref_put got invoked again
3126 * after previous one has done ndlp memory free.
3127 */
3128 if (NLP_CHK_FREE_ACK(ndlp)) {
3129 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3130 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
3131 "0274 lpfc_nlp_put: ndlp:x%p "
3132 "usgmap:x%x refcnt:%d\n",
3133 (void *)ndlp, ndlp->nlp_usg_map,
3134 atomic_read(&ndlp->kref.refcount));
3135 return 1;
2954 } 3136 }
2955 return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; 3137 /* Check the ndlp inactivate log flag to avoid the possible
3138 * race condition that kref_put got invoked again after ndlp
3139 * is already in inactivating state.
3140 */
3141 if (NLP_CHK_IACT_REQ(ndlp)) {
3142 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3143 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
3144 "0275 lpfc_nlp_put: ndlp:x%p "
3145 "usgmap:x%x refcnt:%d\n",
3146 (void *)ndlp, ndlp->nlp_usg_map,
3147 atomic_read(&ndlp->kref.refcount));
3148 return 1;
3149 }
3150 /* For last put, mark the ndlp usage flags to make sure no
3151 * other kref_get and kref_put on the same ndlp shall get
3152 * in between the process when the final kref_put has been
3153 * invoked on this ndlp.
3154 */
3155 if (atomic_read(&ndlp->kref.refcount) == 1) {
3156 /* Indicate ndlp is put to inactive state. */
3157 NLP_SET_IACT_REQ(ndlp);
3158 /* Acknowledge ndlp memory free has been seen. */
3159 if (NLP_CHK_FREE_REQ(ndlp))
3160 NLP_SET_FREE_ACK(ndlp);
3161 }
3162 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
3163 /* Note, the kref_put returns 1 when decrementing a reference
3164 * count that was 1, it invokes the release callback function,
3165 * but it still left the reference count as 1 (not actually
3166 * performs the last decrementation). Otherwise, it actually
3167 * decrements the reference count and returns 0.
3168 */
3169 return kref_put(&ndlp->kref, lpfc_nlp_release);
2956} 3170}
2957 3171
2958/* This routine free's the specified nodelist if it is not in use 3172/* This routine free's the specified nodelist if it is not in use
2959 * by any other discovery thread. This routine returns 1 if the ndlp 3173 * by any other discovery thread. This routine returns 1 if the
2960 * is not being used by anyone and has been freed. A return value of 3174 * ndlp has been freed. A return value of 0 indicates the ndlp is
2961 * 0 indicates it is being used by another discovery thread and the 3175 * not yet been released.
2962 * refcount is left unchanged.
2963 */ 3176 */
2964int 3177int
2965lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) 3178lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
@@ -2968,11 +3181,8 @@ lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
2968 "node not used: did:x%x flg:x%x refcnt:x%x", 3181 "node not used: did:x%x flg:x%x refcnt:x%x",
2969 ndlp->nlp_DID, ndlp->nlp_flag, 3182 ndlp->nlp_DID, ndlp->nlp_flag,
2970 atomic_read(&ndlp->kref.refcount)); 3183 atomic_read(&ndlp->kref.refcount));
2971 3184 if (atomic_read(&ndlp->kref.refcount) == 1)
2972 if (atomic_read(&ndlp->kref.refcount) == 1) { 3185 if (lpfc_nlp_put(ndlp))
2973 lpfc_nlp_put(ndlp); 3186 return 1;
2974 return 1;
2975 }
2976 return 0; 3187 return 0;
2977} 3188}
2978
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 041f83e7634a..7773b949aa7c 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * * 7 * *
@@ -581,6 +581,7 @@ struct ls_rjt { /* Structure is in Big Endian format */
581#define LSEXP_INVALID_O_SID 0x15 581#define LSEXP_INVALID_O_SID 0x15
582#define LSEXP_INVALID_OX_RX 0x17 582#define LSEXP_INVALID_OX_RX 0x17
583#define LSEXP_CMD_IN_PROGRESS 0x19 583#define LSEXP_CMD_IN_PROGRESS 0x19
584#define LSEXP_PORT_LOGIN_REQ 0x1E
584#define LSEXP_INVALID_NPORT_ID 0x1F 585#define LSEXP_INVALID_NPORT_ID 0x1F
585#define LSEXP_INVALID_SEQ_ID 0x21 586#define LSEXP_INVALID_SEQ_ID 0x21
586#define LSEXP_INVALID_XCHG 0x23 587#define LSEXP_INVALID_XCHG 0x23
@@ -1376,11 +1377,26 @@ typedef struct { /* FireFly BIU registers */
1376#define CMD_QUE_XRI64_CX 0xB3 1377#define CMD_QUE_XRI64_CX 0xB3
1377#define CMD_IOCB_RCV_SEQ64_CX 0xB5 1378#define CMD_IOCB_RCV_SEQ64_CX 0xB5
1378#define CMD_IOCB_RCV_ELS64_CX 0xB7 1379#define CMD_IOCB_RCV_ELS64_CX 0xB7
1380#define CMD_IOCB_RET_XRI64_CX 0xB9
1379#define CMD_IOCB_RCV_CONT64_CX 0xBB 1381#define CMD_IOCB_RCV_CONT64_CX 0xBB
1380 1382
1381#define CMD_GEN_REQUEST64_CR 0xC2 1383#define CMD_GEN_REQUEST64_CR 0xC2
1382#define CMD_GEN_REQUEST64_CX 0xC3 1384#define CMD_GEN_REQUEST64_CX 0xC3
1383 1385
1386/* Unhandled SLI-3 Commands */
1387#define CMD_IOCB_XMIT_MSEQ64_CR 0xB0
1388#define CMD_IOCB_XMIT_MSEQ64_CX 0xB1
1389#define CMD_IOCB_RCV_SEQ_LIST64_CX 0xC1
1390#define CMD_IOCB_RCV_ELS_LIST64_CX 0xCD
1391#define CMD_IOCB_CLOSE_EXTENDED_CN 0xB6
1392#define CMD_IOCB_ABORT_EXTENDED_CN 0xBA
1393#define CMD_IOCB_RET_HBQE64_CN 0xCA
1394#define CMD_IOCB_FCP_IBIDIR64_CR 0xAC
1395#define CMD_IOCB_FCP_IBIDIR64_CX 0xAD
1396#define CMD_IOCB_FCP_ITASKMGT64_CX 0xAF
1397#define CMD_IOCB_LOGENTRY_CN 0x94
1398#define CMD_IOCB_LOGENTRY_ASYNC_CN 0x96
1399
1384#define CMD_MAX_IOCB_CMD 0xE6 1400#define CMD_MAX_IOCB_CMD 0xE6
1385#define CMD_IOCB_MASK 0xff 1401#define CMD_IOCB_MASK 0xff
1386 1402
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 6cfeba7454d4..22843751c2ca 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -461,11 +461,21 @@ lpfc_config_port_post(struct lpfc_hba *phba)
461int 461int
462lpfc_hba_down_prep(struct lpfc_hba *phba) 462lpfc_hba_down_prep(struct lpfc_hba *phba)
463{ 463{
464 struct lpfc_vport **vports;
465 int i;
464 /* Disable interrupts */ 466 /* Disable interrupts */
465 writel(0, phba->HCregaddr); 467 writel(0, phba->HCregaddr);
466 readl(phba->HCregaddr); /* flush */ 468 readl(phba->HCregaddr); /* flush */
467 469
468 lpfc_cleanup_discovery_resources(phba->pport); 470 if (phba->pport->load_flag & FC_UNLOADING)
471 lpfc_cleanup_discovery_resources(phba->pport);
472 else {
473 vports = lpfc_create_vport_work_array(phba);
474 if (vports != NULL)
475 for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
476 lpfc_cleanup_discovery_resources(vports[i]);
477 lpfc_destroy_vport_work_array(phba, vports);
478 }
469 return 0; 479 return 0;
470} 480}
471 481
@@ -1422,9 +1432,32 @@ lpfc_cleanup(struct lpfc_vport *vport)
1422 lpfc_port_link_failure(vport); 1432 lpfc_port_link_failure(vport);
1423 1433
1424 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 1434 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1435 if (!NLP_CHK_NODE_ACT(ndlp)) {
1436 ndlp = lpfc_enable_node(vport, ndlp,
1437 NLP_STE_UNUSED_NODE);
1438 if (!ndlp)
1439 continue;
1440 spin_lock_irq(&phba->ndlp_lock);
1441 NLP_SET_FREE_REQ(ndlp);
1442 spin_unlock_irq(&phba->ndlp_lock);
1443 /* Trigger the release of the ndlp memory */
1444 lpfc_nlp_put(ndlp);
1445 continue;
1446 }
1447 spin_lock_irq(&phba->ndlp_lock);
1448 if (NLP_CHK_FREE_REQ(ndlp)) {
1449 /* The ndlp should not be in memory free mode already */
1450 spin_unlock_irq(&phba->ndlp_lock);
1451 continue;
1452 } else
1453 /* Indicate request for freeing ndlp memory */
1454 NLP_SET_FREE_REQ(ndlp);
1455 spin_unlock_irq(&phba->ndlp_lock);
1456
1425 if (ndlp->nlp_type & NLP_FABRIC) 1457 if (ndlp->nlp_type & NLP_FABRIC)
1426 lpfc_disc_state_machine(vport, ndlp, NULL, 1458 lpfc_disc_state_machine(vport, ndlp, NULL,
1427 NLP_EVT_DEVICE_RECOVERY); 1459 NLP_EVT_DEVICE_RECOVERY);
1460
1428 lpfc_disc_state_machine(vport, ndlp, NULL, 1461 lpfc_disc_state_machine(vport, ndlp, NULL,
1429 NLP_EVT_DEVICE_RM); 1462 NLP_EVT_DEVICE_RM);
1430 } 1463 }
@@ -1438,6 +1471,17 @@ lpfc_cleanup(struct lpfc_vport *vport)
1438 if (i++ > 3000) { 1471 if (i++ > 3000) {
1439 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 1472 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1440 "0233 Nodelist not empty\n"); 1473 "0233 Nodelist not empty\n");
1474 list_for_each_entry_safe(ndlp, next_ndlp,
1475 &vport->fc_nodes, nlp_listp) {
1476 lpfc_printf_vlog(ndlp->vport, KERN_ERR,
1477 LOG_NODE,
1478 "0282: did:x%x ndlp:x%p "
1479 "usgmap:x%x refcnt:%d\n",
1480 ndlp->nlp_DID, (void *)ndlp,
1481 ndlp->nlp_usg_map,
1482 atomic_read(
1483 &ndlp->kref.refcount));
1484 }
1441 break; 1485 break;
1442 } 1486 }
1443 1487
@@ -1586,6 +1630,8 @@ lpfc_offline_prep(struct lpfc_hba * phba)
1586 list_for_each_entry_safe(ndlp, next_ndlp, 1630 list_for_each_entry_safe(ndlp, next_ndlp,
1587 &vports[i]->fc_nodes, 1631 &vports[i]->fc_nodes,
1588 nlp_listp) { 1632 nlp_listp) {
1633 if (!NLP_CHK_NODE_ACT(ndlp))
1634 continue;
1589 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 1635 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
1590 continue; 1636 continue;
1591 if (ndlp->nlp_type & NLP_FABRIC) { 1637 if (ndlp->nlp_type & NLP_FABRIC) {
@@ -1695,9 +1741,9 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
1695 1741
1696 vport = (struct lpfc_vport *) shost->hostdata; 1742 vport = (struct lpfc_vport *) shost->hostdata;
1697 vport->phba = phba; 1743 vport->phba = phba;
1698
1699 vport->load_flag |= FC_LOADING; 1744 vport->load_flag |= FC_LOADING;
1700 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; 1745 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
1746 vport->fc_rscn_flush = 0;
1701 1747
1702 lpfc_get_vport_cfgparam(vport); 1748 lpfc_get_vport_cfgparam(vport);
1703 shost->unique_id = instance; 1749 shost->unique_id = instance;
@@ -1879,6 +1925,42 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
1879 spin_unlock_irq(shost->host_lock); 1925 spin_unlock_irq(shost->host_lock);
1880} 1926}
1881 1927
1928static int
1929lpfc_enable_msix(struct lpfc_hba *phba)
1930{
1931 int error;
1932
1933 phba->msix_entries[0].entry = 0;
1934 phba->msix_entries[0].vector = 0;
1935
1936 error = pci_enable_msix(phba->pcidev, phba->msix_entries,
1937 ARRAY_SIZE(phba->msix_entries));
1938 if (error) {
1939 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
1940 "0420 Enable MSI-X failed (%d), continuing "
1941 "with MSI\n", error);
1942 pci_disable_msix(phba->pcidev);
1943 return error;
1944 }
1945
1946 error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
1947 LPFC_DRIVER_NAME, phba);
1948 if (error) {
1949 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1950 "0421 MSI-X request_irq failed (%d), "
1951 "continuing with MSI\n", error);
1952 pci_disable_msix(phba->pcidev);
1953 }
1954 return error;
1955}
1956
1957static void
1958lpfc_disable_msix(struct lpfc_hba *phba)
1959{
1960 free_irq(phba->msix_entries[0].vector, phba);
1961 pci_disable_msix(phba->pcidev);
1962}
1963
1882static int __devinit 1964static int __devinit
1883lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) 1965lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1884{ 1966{
@@ -1905,6 +1987,9 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
1905 1987
1906 spin_lock_init(&phba->hbalock); 1988 spin_lock_init(&phba->hbalock);
1907 1989
1990 /* Initialize ndlp management spinlock */
1991 spin_lock_init(&phba->ndlp_lock);
1992
1908 phba->pcidev = pdev; 1993 phba->pcidev = pdev;
1909 1994
1910 /* Assign an unused board number */ 1995 /* Assign an unused board number */
@@ -2002,6 +2087,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
2002 2087
2003 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size()); 2088 memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
2004 2089
2090 INIT_LIST_HEAD(&phba->hbqbuf_in_list);
2091
2005 /* Initialize the SLI Layer to run with lpfc HBAs. */ 2092 /* Initialize the SLI Layer to run with lpfc HBAs. */
2006 lpfc_sli_setup(phba); 2093 lpfc_sli_setup(phba);
2007 lpfc_sli_queue_setup(phba); 2094 lpfc_sli_queue_setup(phba);
@@ -2077,24 +2164,36 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
2077 lpfc_debugfs_initialize(vport); 2164 lpfc_debugfs_initialize(vport);
2078 2165
2079 pci_set_drvdata(pdev, shost); 2166 pci_set_drvdata(pdev, shost);
2167 phba->intr_type = NONE;
2080 2168
2081 if (phba->cfg_use_msi) { 2169 if (phba->cfg_use_msi == 2) {
2170 error = lpfc_enable_msix(phba);
2171 if (!error)
2172 phba->intr_type = MSIX;
2173 }
2174
2175 /* Fallback to MSI if MSI-X initialization failed */
2176 if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
2082 retval = pci_enable_msi(phba->pcidev); 2177 retval = pci_enable_msi(phba->pcidev);
2083 if (!retval) 2178 if (!retval)
2084 phba->using_msi = 1; 2179 phba->intr_type = MSI;
2085 else 2180 else
2086 lpfc_printf_log(phba, KERN_INFO, LOG_INIT, 2181 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
2087 "0452 Enable MSI failed, continuing " 2182 "0452 Enable MSI failed, continuing "
2088 "with IRQ\n"); 2183 "with IRQ\n");
2089 } 2184 }
2090 2185
2091 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, 2186 /* MSI-X is the only case the doesn't need to call request_irq */
2092 LPFC_DRIVER_NAME, phba); 2187 if (phba->intr_type != MSIX) {
2093 if (retval) { 2188 retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
2094 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, 2189 IRQF_SHARED, LPFC_DRIVER_NAME, phba);
2095 "0451 Enable interrupt handler failed\n"); 2190 if (retval) {
2096 error = retval; 2191 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable "
2097 goto out_disable_msi; 2192 "interrupt handler failed\n");
2193 error = retval;
2194 goto out_disable_msi;
2195 } else if (phba->intr_type != MSI)
2196 phba->intr_type = INTx;
2098 } 2197 }
2099 2198
2100 phba->MBslimaddr = phba->slim_memmap_p; 2199 phba->MBslimaddr = phba->slim_memmap_p;
@@ -2139,9 +2238,14 @@ out_remove_device:
2139out_free_irq: 2238out_free_irq:
2140 lpfc_stop_phba_timers(phba); 2239 lpfc_stop_phba_timers(phba);
2141 phba->pport->work_port_events = 0; 2240 phba->pport->work_port_events = 0;
2142 free_irq(phba->pcidev->irq, phba); 2241
2242 if (phba->intr_type == MSIX)
2243 lpfc_disable_msix(phba);
2244 else
2245 free_irq(phba->pcidev->irq, phba);
2246
2143out_disable_msi: 2247out_disable_msi:
2144 if (phba->using_msi) 2248 if (phba->intr_type == MSI)
2145 pci_disable_msi(phba->pcidev); 2249 pci_disable_msi(phba->pcidev);
2146 destroy_port(vport); 2250 destroy_port(vport);
2147out_kthread_stop: 2251out_kthread_stop:
@@ -2214,10 +2318,13 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
2214 2318
2215 lpfc_debugfs_terminate(vport); 2319 lpfc_debugfs_terminate(vport);
2216 2320
2217 /* Release the irq reservation */ 2321 if (phba->intr_type == MSIX)
2218 free_irq(phba->pcidev->irq, phba); 2322 lpfc_disable_msix(phba);
2219 if (phba->using_msi) 2323 else {
2220 pci_disable_msi(phba->pcidev); 2324 free_irq(phba->pcidev->irq, phba);
2325 if (phba->intr_type == MSI)
2326 pci_disable_msi(phba->pcidev);
2327 }
2221 2328
2222 pci_set_drvdata(pdev, NULL); 2329 pci_set_drvdata(pdev, NULL);
2223 scsi_host_put(shost); 2330 scsi_host_put(shost);
@@ -2276,10 +2383,13 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
2276 pring = &psli->ring[psli->fcp_ring]; 2383 pring = &psli->ring[psli->fcp_ring];
2277 lpfc_sli_abort_iocb_ring(phba, pring); 2384 lpfc_sli_abort_iocb_ring(phba, pring);
2278 2385
2279 /* Release the irq reservation */ 2386 if (phba->intr_type == MSIX)
2280 free_irq(phba->pcidev->irq, phba); 2387 lpfc_disable_msix(phba);
2281 if (phba->using_msi) 2388 else {
2282 pci_disable_msi(phba->pcidev); 2389 free_irq(phba->pcidev->irq, phba);
2390 if (phba->intr_type == MSI)
2391 pci_disable_msi(phba->pcidev);
2392 }
2283 2393
2284 /* Request a slot reset. */ 2394 /* Request a slot reset. */
2285 return PCI_ERS_RESULT_NEED_RESET; 2395 return PCI_ERS_RESULT_NEED_RESET;
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index c5841d7565f7..39fd2b843bec 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * * 7 * *
@@ -35,11 +35,15 @@
35#define LOG_ALL_MSG 0xffff /* LOG all messages */ 35#define LOG_ALL_MSG 0xffff /* LOG all messages */
36 36
37#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \ 37#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
38 do { \
38 { if (((mask) &(vport)->cfg_log_verbose) || (level[1] <= '3')) \ 39 { if (((mask) &(vport)->cfg_log_verbose) || (level[1] <= '3')) \
39 dev_printk(level, &((vport)->phba->pcidev)->dev, "%d:(%d):" \ 40 dev_printk(level, &((vport)->phba->pcidev)->dev, "%d:(%d):" \
40 fmt, (vport)->phba->brd_no, vport->vpi, ##arg); } 41 fmt, (vport)->phba->brd_no, vport->vpi, ##arg); } \
42 } while (0)
41 43
42#define lpfc_printf_log(phba, level, mask, fmt, arg...) \ 44#define lpfc_printf_log(phba, level, mask, fmt, arg...) \
45 do { \
43 { if (((mask) &(phba)->pport->cfg_log_verbose) || (level[1] <= '3')) \ 46 { if (((mask) &(phba)->pport->cfg_log_verbose) || (level[1] <= '3')) \
44 dev_printk(level, &((phba)->pcidev)->dev, "%d:" \ 47 dev_printk(level, &((phba)->pcidev)->dev, "%d:" \
45 fmt, phba->brd_no, ##arg); } 48 fmt, phba->brd_no, ##arg); } \
49 } while (0)
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 6dc5ab8d6716..3c0cebc71800 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -264,19 +264,30 @@ void
264lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp) 264lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
265{ 265{
266 struct hbq_dmabuf *hbq_entry; 266 struct hbq_dmabuf *hbq_entry;
267 unsigned long flags;
268
269 if (!mp)
270 return;
267 271
268 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 272 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
273 /* Check whether HBQ is still in use */
274 spin_lock_irqsave(&phba->hbalock, flags);
275 if (!phba->hbq_in_use) {
276 spin_unlock_irqrestore(&phba->hbalock, flags);
277 return;
278 }
269 hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf); 279 hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
280 list_del(&hbq_entry->dbuf.list);
270 if (hbq_entry->tag == -1) { 281 if (hbq_entry->tag == -1) {
271 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) 282 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
272 (phba, hbq_entry); 283 (phba, hbq_entry);
273 } else { 284 } else {
274 lpfc_sli_free_hbq(phba, hbq_entry); 285 lpfc_sli_free_hbq(phba, hbq_entry);
275 } 286 }
287 spin_unlock_irqrestore(&phba->hbalock, flags);
276 } else { 288 } else {
277 lpfc_mbuf_free(phba, mp->virt, mp->phys); 289 lpfc_mbuf_free(phba, mp->virt, mp->phys);
278 kfree(mp); 290 kfree(mp);
279 } 291 }
280 return; 292 return;
281} 293}
282
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 4a0e3406e37a..d513813f6697 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1,7 +1,7 @@
1 /******************************************************************* 1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -249,6 +249,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
249 struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 249 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
250 struct lpfc_hba *phba = vport->phba; 250 struct lpfc_hba *phba = vport->phba;
251 struct lpfc_dmabuf *pcmd; 251 struct lpfc_dmabuf *pcmd;
252 struct lpfc_work_evt *evtp;
252 uint32_t *lp; 253 uint32_t *lp;
253 IOCB_t *icmd; 254 IOCB_t *icmd;
254 struct serv_parm *sp; 255 struct serv_parm *sp;
@@ -435,8 +436,14 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
435 del_timer_sync(&ndlp->nlp_delayfunc); 436 del_timer_sync(&ndlp->nlp_delayfunc);
436 ndlp->nlp_last_elscmd = 0; 437 ndlp->nlp_last_elscmd = 0;
437 438
438 if (!list_empty(&ndlp->els_retry_evt.evt_listp)) 439 if (!list_empty(&ndlp->els_retry_evt.evt_listp)) {
439 list_del_init(&ndlp->els_retry_evt.evt_listp); 440 list_del_init(&ndlp->els_retry_evt.evt_listp);
441 /* Decrement ndlp reference count held for the
442 * delayed retry
443 */
444 evtp = &ndlp->els_retry_evt;
445 lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1);
446 }
440 447
441 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { 448 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
442 spin_lock_irq(shost->host_lock); 449 spin_lock_irq(shost->host_lock);
@@ -638,13 +645,15 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
638 return 0; 645 return 0;
639 } 646 }
640 647
641 /* Check config parameter use-adisc or FCP-2 */ 648 if (!(vport->fc_flag & FC_PT2PT)) {
642 if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || 649 /* Check config parameter use-adisc or FCP-2 */
643 ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) { 650 if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
644 spin_lock_irq(shost->host_lock); 651 ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
645 ndlp->nlp_flag |= NLP_NPR_ADISC; 652 spin_lock_irq(shost->host_lock);
646 spin_unlock_irq(shost->host_lock); 653 ndlp->nlp_flag |= NLP_NPR_ADISC;
647 return 1; 654 spin_unlock_irq(shost->host_lock);
655 return 1;
656 }
648 } 657 }
649 ndlp->nlp_flag &= ~NLP_NPR_ADISC; 658 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
650 lpfc_unreg_rpi(vport, ndlp); 659 lpfc_unreg_rpi(vport, ndlp);
@@ -656,7 +665,7 @@ lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
656 void *arg, uint32_t evt) 665 void *arg, uint32_t evt)
657{ 666{
658 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 667 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
659 "0253 Illegal State Transition: node x%x " 668 "0271 Illegal State Transition: node x%x "
660 "event x%x, state x%x Data: x%x x%x\n", 669 "event x%x, state x%x Data: x%x x%x\n",
661 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, 670 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
662 ndlp->nlp_flag); 671 ndlp->nlp_flag);
@@ -674,7 +683,7 @@ lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
674 */ 683 */
675 if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { 684 if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
676 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, 685 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
677 "0253 Illegal State Transition: node x%x " 686 "0272 Illegal State Transition: node x%x "
678 "event x%x, state x%x Data: x%x x%x\n", 687 "event x%x, state x%x Data: x%x x%x\n",
679 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, 688 ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
680 ndlp->nlp_flag); 689 ndlp->nlp_flag);
@@ -2144,8 +2153,11 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2144 uint32_t cur_state, rc; 2153 uint32_t cur_state, rc;
2145 uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, 2154 uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *,
2146 uint32_t); 2155 uint32_t);
2156 uint32_t got_ndlp = 0;
2157
2158 if (lpfc_nlp_get(ndlp))
2159 got_ndlp = 1;
2147 2160
2148 lpfc_nlp_get(ndlp);
2149 cur_state = ndlp->nlp_state; 2161 cur_state = ndlp->nlp_state;
2150 2162
2151 /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ 2163 /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */
@@ -2162,15 +2174,24 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
2162 rc = (func) (vport, ndlp, arg, evt); 2174 rc = (func) (vport, ndlp, arg, evt);
2163 2175
2164 /* DSM out state <rc> on NPort <nlp_DID> */ 2176 /* DSM out state <rc> on NPort <nlp_DID> */
2165 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, 2177 if (got_ndlp) {
2178 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2166 "0212 DSM out state %d on NPort x%x Data: x%x\n", 2179 "0212 DSM out state %d on NPort x%x Data: x%x\n",
2167 rc, ndlp->nlp_DID, ndlp->nlp_flag); 2180 rc, ndlp->nlp_DID, ndlp->nlp_flag);
2168 2181
2169 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, 2182 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
2170 "DSM out: ste:%d did:x%x flg:x%x", 2183 "DSM out: ste:%d did:x%x flg:x%x",
2171 rc, ndlp->nlp_DID, ndlp->nlp_flag); 2184 rc, ndlp->nlp_DID, ndlp->nlp_flag);
2185 /* Decrement the ndlp reference count held for this function */
2186 lpfc_nlp_put(ndlp);
2187 } else {
2188 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2189 "0212 DSM out state %d on NPort free\n", rc);
2172 2190
2173 lpfc_nlp_put(ndlp); 2191 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
2192 "DSM out: ste:%d did:x%x flg:x%x",
2193 rc, 0, 0);
2194 }
2174 2195
2175 return rc; 2196 return rc;
2176} 2197}
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index fc5c3a42b05a..70255c11d3ad 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -1283,6 +1283,8 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
1283 match = 0; 1283 match = 0;
1284 spin_lock_irq(shost->host_lock); 1284 spin_lock_irq(shost->host_lock);
1285 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { 1285 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
1286 if (!NLP_CHK_NODE_ACT(ndlp))
1287 continue;
1286 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && 1288 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
1287 i == ndlp->nlp_sid && 1289 i == ndlp->nlp_sid &&
1288 ndlp->rport) { 1290 ndlp->rport) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index fdd01e384e36..f53206411cd8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -203,8 +203,25 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
203 case CMD_IOCB_RCV_SEQ64_CX: 203 case CMD_IOCB_RCV_SEQ64_CX:
204 case CMD_IOCB_RCV_ELS64_CX: 204 case CMD_IOCB_RCV_ELS64_CX:
205 case CMD_IOCB_RCV_CONT64_CX: 205 case CMD_IOCB_RCV_CONT64_CX:
206 case CMD_IOCB_RET_XRI64_CX:
206 type = LPFC_UNSOL_IOCB; 207 type = LPFC_UNSOL_IOCB;
207 break; 208 break;
209 case CMD_IOCB_XMIT_MSEQ64_CR:
210 case CMD_IOCB_XMIT_MSEQ64_CX:
211 case CMD_IOCB_RCV_SEQ_LIST64_CX:
212 case CMD_IOCB_RCV_ELS_LIST64_CX:
213 case CMD_IOCB_CLOSE_EXTENDED_CN:
214 case CMD_IOCB_ABORT_EXTENDED_CN:
215 case CMD_IOCB_RET_HBQE64_CN:
216 case CMD_IOCB_FCP_IBIDIR64_CR:
217 case CMD_IOCB_FCP_IBIDIR64_CX:
218 case CMD_IOCB_FCP_ITASKMGT64_CX:
219 case CMD_IOCB_LOGENTRY_CN:
220 case CMD_IOCB_LOGENTRY_ASYNC_CN:
221 printk("%s - Unhandled SLI-3 Command x%x\n",
222 __FUNCTION__, iocb_cmnd);
223 type = LPFC_UNKNOWN_IOCB;
224 break;
208 default: 225 default:
209 type = LPFC_UNKNOWN_IOCB; 226 type = LPFC_UNKNOWN_IOCB;
210 break; 227 break;
@@ -529,10 +546,13 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
529{ 546{
530 struct lpfc_dmabuf *dmabuf, *next_dmabuf; 547 struct lpfc_dmabuf *dmabuf, *next_dmabuf;
531 struct hbq_dmabuf *hbq_buf; 548 struct hbq_dmabuf *hbq_buf;
549 unsigned long flags;
532 int i, hbq_count; 550 int i, hbq_count;
551 uint32_t hbqno;
533 552
534 hbq_count = lpfc_sli_hbq_count(); 553 hbq_count = lpfc_sli_hbq_count();
535 /* Return all memory used by all HBQs */ 554 /* Return all memory used by all HBQs */
555 spin_lock_irqsave(&phba->hbalock, flags);
536 for (i = 0; i < hbq_count; ++i) { 556 for (i = 0; i < hbq_count; ++i) {
537 list_for_each_entry_safe(dmabuf, next_dmabuf, 557 list_for_each_entry_safe(dmabuf, next_dmabuf,
538 &phba->hbqs[i].hbq_buffer_list, list) { 558 &phba->hbqs[i].hbq_buffer_list, list) {
@@ -542,6 +562,28 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
542 } 562 }
543 phba->hbqs[i].buffer_count = 0; 563 phba->hbqs[i].buffer_count = 0;
544 } 564 }
565 /* Return all HBQ buffer that are in-fly */
566 list_for_each_entry_safe(dmabuf, next_dmabuf,
567 &phba->hbqbuf_in_list, list) {
568 hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
569 list_del(&hbq_buf->dbuf.list);
570 if (hbq_buf->tag == -1) {
571 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
572 (phba, hbq_buf);
573 } else {
574 hbqno = hbq_buf->tag >> 16;
575 if (hbqno >= LPFC_MAX_HBQS)
576 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
577 (phba, hbq_buf);
578 else
579 (phba->hbqs[hbqno].hbq_free_buffer)(phba,
580 hbq_buf);
581 }
582 }
583
584 /* Mark the HBQs not in use */
585 phba->hbq_in_use = 0;
586 spin_unlock_irqrestore(&phba->hbalock, flags);
545} 587}
546 588
547static struct lpfc_hbq_entry * 589static struct lpfc_hbq_entry *
@@ -603,6 +645,7 @@ static int
603lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) 645lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
604{ 646{
605 uint32_t i, start, end; 647 uint32_t i, start, end;
648 unsigned long flags;
606 struct hbq_dmabuf *hbq_buffer; 649 struct hbq_dmabuf *hbq_buffer;
607 650
608 if (!phba->hbqs[hbqno].hbq_alloc_buffer) { 651 if (!phba->hbqs[hbqno].hbq_alloc_buffer) {
@@ -615,6 +658,13 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
615 end = lpfc_hbq_defs[hbqno]->entry_count; 658 end = lpfc_hbq_defs[hbqno]->entry_count;
616 } 659 }
617 660
661 /* Check whether HBQ is still in use */
662 spin_lock_irqsave(&phba->hbalock, flags);
663 if (!phba->hbq_in_use) {
664 spin_unlock_irqrestore(&phba->hbalock, flags);
665 return 0;
666 }
667
618 /* Populate HBQ entries */ 668 /* Populate HBQ entries */
619 for (i = start; i < end; i++) { 669 for (i = start; i < end; i++) {
620 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); 670 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
@@ -626,6 +676,8 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
626 else 676 else
627 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); 677 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
628 } 678 }
679
680 spin_unlock_irqrestore(&phba->hbalock, flags);
629 return 0; 681 return 0;
630} 682}
631 683
@@ -910,16 +962,29 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
910 uint32_t hbqno; 962 uint32_t hbqno;
911 void *virt; /* virtual address ptr */ 963 void *virt; /* virtual address ptr */
912 dma_addr_t phys; /* mapped address */ 964 dma_addr_t phys; /* mapped address */
965 unsigned long flags;
966
967 /* Check whether HBQ is still in use */
968 spin_lock_irqsave(&phba->hbalock, flags);
969 if (!phba->hbq_in_use) {
970 spin_unlock_irqrestore(&phba->hbalock, flags);
971 return NULL;
972 }
913 973
914 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); 974 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
915 if (hbq_entry == NULL) 975 if (hbq_entry == NULL) {
976 spin_unlock_irqrestore(&phba->hbalock, flags);
916 return NULL; 977 return NULL;
978 }
917 list_del(&hbq_entry->dbuf.list); 979 list_del(&hbq_entry->dbuf.list);
918 980
919 hbqno = tag >> 16; 981 hbqno = tag >> 16;
920 new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); 982 new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
921 if (new_hbq_entry == NULL) 983 if (new_hbq_entry == NULL) {
984 list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
985 spin_unlock_irqrestore(&phba->hbalock, flags);
922 return &hbq_entry->dbuf; 986 return &hbq_entry->dbuf;
987 }
923 new_hbq_entry->tag = -1; 988 new_hbq_entry->tag = -1;
924 phys = new_hbq_entry->dbuf.phys; 989 phys = new_hbq_entry->dbuf.phys;
925 virt = new_hbq_entry->dbuf.virt; 990 virt = new_hbq_entry->dbuf.virt;
@@ -928,6 +993,9 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
928 hbq_entry->dbuf.phys = phys; 993 hbq_entry->dbuf.phys = phys;
929 hbq_entry->dbuf.virt = virt; 994 hbq_entry->dbuf.virt = virt;
930 lpfc_sli_free_hbq(phba, hbq_entry); 995 lpfc_sli_free_hbq(phba, hbq_entry);
996 list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
997 spin_unlock_irqrestore(&phba->hbalock, flags);
998
931 return &new_hbq_entry->dbuf; 999 return &new_hbq_entry->dbuf;
932} 1000}
933 1001
@@ -951,6 +1019,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
951 uint32_t Rctl, Type; 1019 uint32_t Rctl, Type;
952 uint32_t match, i; 1020 uint32_t match, i;
953 struct lpfc_iocbq *iocbq; 1021 struct lpfc_iocbq *iocbq;
1022 struct lpfc_dmabuf *dmzbuf;
954 1023
955 match = 0; 1024 match = 0;
956 irsp = &(saveq->iocb); 1025 irsp = &(saveq->iocb);
@@ -972,6 +1041,29 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
972 return 1; 1041 return 1;
973 } 1042 }
974 1043
1044 if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) &&
1045 (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) {
1046 if (irsp->ulpBdeCount > 0) {
1047 dmzbuf = lpfc_sli_get_buff(phba, pring,
1048 irsp->un.ulpWord[3]);
1049 lpfc_in_buf_free(phba, dmzbuf);
1050 }
1051
1052 if (irsp->ulpBdeCount > 1) {
1053 dmzbuf = lpfc_sli_get_buff(phba, pring,
1054 irsp->unsli3.sli3Words[3]);
1055 lpfc_in_buf_free(phba, dmzbuf);
1056 }
1057
1058 if (irsp->ulpBdeCount > 2) {
1059 dmzbuf = lpfc_sli_get_buff(phba, pring,
1060 irsp->unsli3.sli3Words[7]);
1061 lpfc_in_buf_free(phba, dmzbuf);
1062 }
1063
1064 return 1;
1065 }
1066
975 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 1067 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
976 if (irsp->ulpBdeCount != 0) { 1068 if (irsp->ulpBdeCount != 0) {
977 saveq->context2 = lpfc_sli_get_buff(phba, pring, 1069 saveq->context2 = lpfc_sli_get_buff(phba, pring,
@@ -2293,6 +2385,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
2293 2385
2294 /* Initialize the struct lpfc_sli_hbq structure for each hbq */ 2386 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
2295 phba->link_state = LPFC_INIT_MBX_CMDS; 2387 phba->link_state = LPFC_INIT_MBX_CMDS;
2388 phba->hbq_in_use = 1;
2296 2389
2297 hbq_entry_index = 0; 2390 hbq_entry_index = 0;
2298 for (hbqno = 0; hbqno < hbq_count; ++hbqno) { 2391 for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
@@ -2404,9 +2497,7 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
2404 if ((pmb->mb.un.varCfgPort.sli_mode == 3) && 2497 if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
2405 (!pmb->mb.un.varCfgPort.cMA)) { 2498 (!pmb->mb.un.varCfgPort.cMA)) {
2406 rc = -ENXIO; 2499 rc = -ENXIO;
2407 goto do_prep_failed;
2408 } 2500 }
2409 return rc;
2410 2501
2411do_prep_failed: 2502do_prep_failed:
2412 mempool_free(pmb, phba->mbox_mem_pool); 2503 mempool_free(pmb, phba->mbox_mem_pool);
@@ -2625,14 +2716,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
2625 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 2716 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2626 2717
2627 /* Mbox command <mbxCommand> cannot issue */ 2718 /* Mbox command <mbxCommand> cannot issue */
2628 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) 2719 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2629 return MBX_NOT_FINISHED; 2720 return MBX_NOT_FINISHED;
2630 } 2721 }
2631 2722
2632 if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && 2723 if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
2633 !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { 2724 !(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
2634 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 2725 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2635 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) 2726 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2636 return MBX_NOT_FINISHED; 2727 return MBX_NOT_FINISHED;
2637 } 2728 }
2638 2729
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4b633d39a82a..ca540d1d041e 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
18 * included with this package. * 18 * included with this package. *
19 *******************************************************************/ 19 *******************************************************************/
20 20
21#define LPFC_DRIVER_VERSION "8.2.4" 21#define LPFC_DRIVER_VERSION "8.2.5"
22 22
23#define LPFC_DRIVER_NAME "lpfc" 23#define LPFC_DRIVER_NAME "lpfc"
24 24
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 9fad7663c117..86d05beb00b8 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2006 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -327,7 +327,8 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
327 * up and ready to FDISC. 327 * up and ready to FDISC.
328 */ 328 */
329 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); 329 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
330 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { 330 if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
331 ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
331 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) { 332 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) {
332 lpfc_set_disctmo(vport); 333 lpfc_set_disctmo(vport);
333 lpfc_initial_fdisc(vport); 334 lpfc_initial_fdisc(vport);
@@ -358,7 +359,8 @@ disable_vport(struct fc_vport *fc_vport)
358 long timeout; 359 long timeout;
359 360
360 ndlp = lpfc_findnode_did(vport, Fabric_DID); 361 ndlp = lpfc_findnode_did(vport, Fabric_DID);
361 if (ndlp && phba->link_state >= LPFC_LINK_UP) { 362 if (ndlp && NLP_CHK_NODE_ACT(ndlp)
363 && phba->link_state >= LPFC_LINK_UP) {
362 vport->unreg_vpi_cmpl = VPORT_INVAL; 364 vport->unreg_vpi_cmpl = VPORT_INVAL;
363 timeout = msecs_to_jiffies(phba->fc_ratov * 2000); 365 timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
364 if (!lpfc_issue_els_npiv_logo(vport, ndlp)) 366 if (!lpfc_issue_els_npiv_logo(vport, ndlp))
@@ -372,6 +374,8 @@ disable_vport(struct fc_vport *fc_vport)
372 * calling lpfc_cleanup_rpis(vport, 1) 374 * calling lpfc_cleanup_rpis(vport, 1)
373 */ 375 */
374 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { 376 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
377 if (!NLP_CHK_NODE_ACT(ndlp))
378 continue;
375 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) 379 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
376 continue; 380 continue;
377 lpfc_disc_state_machine(vport, ndlp, NULL, 381 lpfc_disc_state_machine(vport, ndlp, NULL,
@@ -414,7 +418,8 @@ enable_vport(struct fc_vport *fc_vport)
414 * up and ready to FDISC. 418 * up and ready to FDISC.
415 */ 419 */
416 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); 420 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
417 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { 421 if (ndlp && NLP_CHK_NODE_ACT(ndlp)
422 && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
418 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) { 423 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) {
419 lpfc_set_disctmo(vport); 424 lpfc_set_disctmo(vport);
420 lpfc_initial_fdisc(vport); 425 lpfc_initial_fdisc(vport);
@@ -498,7 +503,41 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
498 scsi_remove_host(lpfc_shost_from_vport(vport)); 503 scsi_remove_host(lpfc_shost_from_vport(vport));
499 504
500 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); 505 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
501 if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE && 506
507 /* In case of driver unload, we shall not perform fabric logo as the
508 * worker thread already stopped at this stage and, in this case, we
509 * can safely skip the fabric logo.
510 */
511 if (phba->pport->load_flag & FC_UNLOADING) {
512 if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
513 ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
514 phba->link_state >= LPFC_LINK_UP) {
515 /* First look for the Fabric ndlp */
516 ndlp = lpfc_findnode_did(vport, Fabric_DID);
517 if (!ndlp)
518 goto skip_logo;
519 else if (!NLP_CHK_NODE_ACT(ndlp)) {
520 ndlp = lpfc_enable_node(vport, ndlp,
521 NLP_STE_UNUSED_NODE);
522 if (!ndlp)
523 goto skip_logo;
524 }
525 /* Remove ndlp from vport npld list */
526 lpfc_dequeue_node(vport, ndlp);
527
528 /* Indicate free memory when release */
529 spin_lock_irq(&phba->ndlp_lock);
530 NLP_SET_FREE_REQ(ndlp);
531 spin_unlock_irq(&phba->ndlp_lock);
532 /* Kick off release ndlp when it can be safely done */
533 lpfc_nlp_put(ndlp);
534 }
535 goto skip_logo;
536 }
537
538 /* Otherwise, we will perform fabric logo as needed */
539 if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
540 ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
502 phba->link_state >= LPFC_LINK_UP) { 541 phba->link_state >= LPFC_LINK_UP) {
503 if (vport->cfg_enable_da_id) { 542 if (vport->cfg_enable_da_id) {
504 timeout = msecs_to_jiffies(phba->fc_ratov * 2000); 543 timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
@@ -519,8 +558,27 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
519 if (!ndlp) 558 if (!ndlp)
520 goto skip_logo; 559 goto skip_logo;
521 lpfc_nlp_init(vport, ndlp, Fabric_DID); 560 lpfc_nlp_init(vport, ndlp, Fabric_DID);
561 /* Indicate free memory when release */
562 NLP_SET_FREE_REQ(ndlp);
522 } else { 563 } else {
564 if (!NLP_CHK_NODE_ACT(ndlp))
565 ndlp = lpfc_enable_node(vport, ndlp,
566 NLP_STE_UNUSED_NODE);
567 if (!ndlp)
568 goto skip_logo;
569
570 /* Remove ndlp from vport npld list */
523 lpfc_dequeue_node(vport, ndlp); 571 lpfc_dequeue_node(vport, ndlp);
572 spin_lock_irq(&phba->ndlp_lock);
573 if (!NLP_CHK_FREE_REQ(ndlp))
574 /* Indicate free memory when release */
575 NLP_SET_FREE_REQ(ndlp);
576 else {
577 /* Skip this if ndlp is already in free mode */
578 spin_unlock_irq(&phba->ndlp_lock);
579 goto skip_logo;
580 }
581 spin_unlock_irq(&phba->ndlp_lock);
524 } 582 }
525 vport->unreg_vpi_cmpl = VPORT_INVAL; 583 vport->unreg_vpi_cmpl = VPORT_INVAL;
526 timeout = msecs_to_jiffies(phba->fc_ratov * 2000); 584 timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
@@ -534,9 +592,9 @@ skip_logo:
534 lpfc_sli_host_down(vport); 592 lpfc_sli_host_down(vport);
535 593
536 lpfc_stop_vport_timers(vport); 594 lpfc_stop_vport_timers(vport);
537 lpfc_unreg_all_rpis(vport);
538 595
539 if (!(phba->pport->load_flag & FC_UNLOADING)) { 596 if (!(phba->pport->load_flag & FC_UNLOADING)) {
597 lpfc_unreg_all_rpis(vport);
540 lpfc_unreg_default_rpis(vport); 598 lpfc_unreg_default_rpis(vport);
541 /* 599 /*
542 * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) 600 * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi)
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index b6587a6d8486..0ad215e27b83 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -59,7 +59,6 @@ EXPORT_SYMBOL(mraid_mm_register_adp);
59EXPORT_SYMBOL(mraid_mm_unregister_adp); 59EXPORT_SYMBOL(mraid_mm_unregister_adp);
60EXPORT_SYMBOL(mraid_mm_adapter_app_handle); 60EXPORT_SYMBOL(mraid_mm_adapter_app_handle);
61 61
62static int majorno;
63static uint32_t drvr_ver = 0x02200207; 62static uint32_t drvr_ver = 0x02200207;
64 63
65static int adapters_count_g; 64static int adapters_count_g;
@@ -76,6 +75,12 @@ static const struct file_operations lsi_fops = {
76 .owner = THIS_MODULE, 75 .owner = THIS_MODULE,
77}; 76};
78 77
78static struct miscdevice megaraid_mm_dev = {
79 .minor = MISC_DYNAMIC_MINOR,
80 .name = "megadev0",
81 .fops = &lsi_fops,
82};
83
79/** 84/**
80 * mraid_mm_open - open routine for char node interface 85 * mraid_mm_open - open routine for char node interface
81 * @inode : unused 86 * @inode : unused
@@ -1184,15 +1189,16 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp)
1184static int __init 1189static int __init
1185mraid_mm_init(void) 1190mraid_mm_init(void)
1186{ 1191{
1192 int err;
1193
1187 // Announce the driver version 1194 // Announce the driver version
1188 con_log(CL_ANN, (KERN_INFO "megaraid cmm: %s %s\n", 1195 con_log(CL_ANN, (KERN_INFO "megaraid cmm: %s %s\n",
1189 LSI_COMMON_MOD_VERSION, LSI_COMMON_MOD_EXT_VERSION)); 1196 LSI_COMMON_MOD_VERSION, LSI_COMMON_MOD_EXT_VERSION));
1190 1197
1191 majorno = register_chrdev(0, "megadev", &lsi_fops); 1198 err = misc_register(&megaraid_mm_dev);
1192 1199 if (err < 0) {
1193 if (majorno < 0) { 1200 con_log(CL_ANN, ("megaraid cmm: cannot register misc device\n"));
1194 con_log(CL_ANN, ("megaraid cmm: cannot get major\n")); 1201 return err;
1195 return majorno;
1196 } 1202 }
1197 1203
1198 init_waitqueue_head(&wait_q); 1204 init_waitqueue_head(&wait_q);
@@ -1230,7 +1236,7 @@ mraid_mm_exit(void)
1230{ 1236{
1231 con_log(CL_DLEVEL1 , ("exiting common mod\n")); 1237 con_log(CL_DLEVEL1 , ("exiting common mod\n"));
1232 1238
1233 unregister_chrdev(majorno, "megadev"); 1239 misc_deregister(&megaraid_mm_dev);
1234} 1240}
1235 1241
1236module_init(mraid_mm_init); 1242module_init(mraid_mm_init);
diff --git a/drivers/scsi/megaraid/megaraid_mm.h b/drivers/scsi/megaraid/megaraid_mm.h
index c8762b2b8ed1..55b425c0a654 100644
--- a/drivers/scsi/megaraid/megaraid_mm.h
+++ b/drivers/scsi/megaraid/megaraid_mm.h
@@ -22,6 +22,7 @@
22#include <linux/moduleparam.h> 22#include <linux/moduleparam.h>
23#include <linux/pci.h> 23#include <linux/pci.h>
24#include <linux/list.h> 24#include <linux/list.h>
25#include <linux/miscdevice.h>
25 26
26#include "mbox_defs.h" 27#include "mbox_defs.h"
27#include "megaraid_ioctl.h" 28#include "megaraid_ioctl.h"
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 2a6e4f472eaa..a57fed47b39d 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -416,11 +416,11 @@ static int ses_intf_add(struct class_device *cdev,
416 int i, j, types, len, components = 0; 416 int i, j, types, len, components = 0;
417 int err = -ENOMEM; 417 int err = -ENOMEM;
418 struct enclosure_device *edev; 418 struct enclosure_device *edev;
419 struct ses_component *scomp; 419 struct ses_component *scomp = NULL;
420 420
421 if (!scsi_device_enclosure(sdev)) { 421 if (!scsi_device_enclosure(sdev)) {
422 /* not an enclosure, but might be in one */ 422 /* not an enclosure, but might be in one */
423 edev = enclosure_find(&sdev->host->shost_gendev); 423 edev = enclosure_find(&sdev->host->shost_gendev);
424 if (edev) { 424 if (edev) {
425 ses_match_to_enclosure(edev, sdev); 425 ses_match_to_enclosure(edev, sdev);
426 class_device_put(&edev->cdev); 426 class_device_put(&edev->cdev);
@@ -456,9 +456,6 @@ static int ses_intf_add(struct class_device *cdev,
456 if (!buf) 456 if (!buf)
457 goto err_free; 457 goto err_free;
458 458
459 ses_dev->page1 = buf;
460 ses_dev->page1_len = len;
461
462 result = ses_recv_diag(sdev, 1, buf, len); 459 result = ses_recv_diag(sdev, 1, buf, len);
463 if (result) 460 if (result)
464 goto recv_failed; 461 goto recv_failed;
@@ -473,6 +470,9 @@ static int ses_intf_add(struct class_device *cdev,
473 type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE) 470 type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE)
474 components += type_ptr[1]; 471 components += type_ptr[1];
475 } 472 }
473 ses_dev->page1 = buf;
474 ses_dev->page1_len = len;
475 buf = NULL;
476 476
477 result = ses_recv_diag(sdev, 2, hdr_buf, INIT_ALLOC_SIZE); 477 result = ses_recv_diag(sdev, 2, hdr_buf, INIT_ALLOC_SIZE);
478 if (result) 478 if (result)
@@ -489,6 +489,7 @@ static int ses_intf_add(struct class_device *cdev,
489 goto recv_failed; 489 goto recv_failed;
490 ses_dev->page2 = buf; 490 ses_dev->page2 = buf;
491 ses_dev->page2_len = len; 491 ses_dev->page2_len = len;
492 buf = NULL;
492 493
493 /* The additional information page --- allows us 494 /* The additional information page --- allows us
494 * to match up the devices */ 495 * to match up the devices */
@@ -506,11 +507,12 @@ static int ses_intf_add(struct class_device *cdev,
506 goto recv_failed; 507 goto recv_failed;
507 ses_dev->page10 = buf; 508 ses_dev->page10 = buf;
508 ses_dev->page10_len = len; 509 ses_dev->page10_len = len;
510 buf = NULL;
509 511
510 no_page10: 512 no_page10:
511 scomp = kmalloc(sizeof(struct ses_component) * components, GFP_KERNEL); 513 scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL);
512 if (!scomp) 514 if (!scomp)
513 goto err_free; 515 goto err_free;
514 516
515 edev = enclosure_register(cdev->dev, sdev->sdev_gendev.bus_id, 517 edev = enclosure_register(cdev->dev, sdev->sdev_gendev.bus_id,
516 components, &ses_enclosure_callbacks); 518 components, &ses_enclosure_callbacks);
@@ -521,10 +523,9 @@ static int ses_intf_add(struct class_device *cdev,
521 523
522 edev->scratch = ses_dev; 524 edev->scratch = ses_dev;
523 for (i = 0; i < components; i++) 525 for (i = 0; i < components; i++)
524 edev->component[i].scratch = scomp++; 526 edev->component[i].scratch = scomp + i;
525 527
526 /* Page 7 for the descriptors is optional */ 528 /* Page 7 for the descriptors is optional */
527 buf = NULL;
528 result = ses_recv_diag(sdev, 7, hdr_buf, INIT_ALLOC_SIZE); 529 result = ses_recv_diag(sdev, 7, hdr_buf, INIT_ALLOC_SIZE);
529 if (result) 530 if (result)
530 goto simple_populate; 531 goto simple_populate;
@@ -532,6 +533,8 @@ static int ses_intf_add(struct class_device *cdev,
532 len = (hdr_buf[2] << 8) + hdr_buf[3] + 4; 533 len = (hdr_buf[2] << 8) + hdr_buf[3] + 4;
533 /* add 1 for trailing '\0' we'll use */ 534 /* add 1 for trailing '\0' we'll use */
534 buf = kzalloc(len + 1, GFP_KERNEL); 535 buf = kzalloc(len + 1, GFP_KERNEL);
536 if (!buf)
537 goto simple_populate;
535 result = ses_recv_diag(sdev, 7, buf, len); 538 result = ses_recv_diag(sdev, 7, buf, len);
536 if (result) { 539 if (result) {
537 simple_populate: 540 simple_populate:
@@ -598,6 +601,7 @@ static int ses_intf_add(struct class_device *cdev,
598 err = -ENODEV; 601 err = -ENODEV;
599 err_free: 602 err_free:
600 kfree(buf); 603 kfree(buf);
604 kfree(scomp);
601 kfree(ses_dev->page10); 605 kfree(ses_dev->page10);
602 kfree(ses_dev->page2); 606 kfree(ses_dev->page2);
603 kfree(ses_dev->page1); 607 kfree(ses_dev->page1);
@@ -630,6 +634,7 @@ static void ses_intf_remove(struct class_device *cdev,
630 ses_dev = edev->scratch; 634 ses_dev = edev->scratch;
631 edev->scratch = NULL; 635 edev->scratch = NULL;
632 636
637 kfree(ses_dev->page10);
633 kfree(ses_dev->page1); 638 kfree(ses_dev->page1);
634 kfree(ses_dev->page2); 639 kfree(ses_dev->page2);
635 kfree(ses_dev); 640 kfree(ses_dev);
diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c
index 6325901e5093..f7d279542fa5 100644
--- a/drivers/scsi/sym53c416.c
+++ b/drivers/scsi/sym53c416.c
@@ -187,10 +187,10 @@
187#define sym53c416_base_2 sym53c416_2 187#define sym53c416_base_2 sym53c416_2
188#define sym53c416_base_3 sym53c416_3 188#define sym53c416_base_3 sym53c416_3
189 189
190static unsigned int sym53c416_base[2] = {0,0}; 190static unsigned int sym53c416_base[2];
191static unsigned int sym53c416_base_1[2] = {0,0}; 191static unsigned int sym53c416_base_1[2];
192static unsigned int sym53c416_base_2[2] = {0,0}; 192static unsigned int sym53c416_base_2[2];
193static unsigned int sym53c416_base_3[2] = {0,0}; 193static unsigned int sym53c416_base_3[2];
194 194
195#endif 195#endif
196 196
@@ -621,25 +621,25 @@ int __init sym53c416_detect(struct scsi_host_template *tpnt)
621 int ints[3]; 621 int ints[3];
622 622
623 ints[0] = 2; 623 ints[0] = 2;
624 if(sym53c416_base) 624 if(sym53c416_base[0])
625 { 625 {
626 ints[1] = sym53c416_base[0]; 626 ints[1] = sym53c416_base[0];
627 ints[2] = sym53c416_base[1]; 627 ints[2] = sym53c416_base[1];
628 sym53c416_setup(NULL, ints); 628 sym53c416_setup(NULL, ints);
629 } 629 }
630 if(sym53c416_base_1) 630 if(sym53c416_base_1[0])
631 { 631 {
632 ints[1] = sym53c416_base_1[0]; 632 ints[1] = sym53c416_base_1[0];
633 ints[2] = sym53c416_base_1[1]; 633 ints[2] = sym53c416_base_1[1];
634 sym53c416_setup(NULL, ints); 634 sym53c416_setup(NULL, ints);
635 } 635 }
636 if(sym53c416_base_2) 636 if(sym53c416_base_2[0])
637 { 637 {
638 ints[1] = sym53c416_base_2[0]; 638 ints[1] = sym53c416_base_2[0];
639 ints[2] = sym53c416_base_2[1]; 639 ints[2] = sym53c416_base_2[1];
640 sym53c416_setup(NULL, ints); 640 sym53c416_setup(NULL, ints);
641 } 641 }
642 if(sym53c416_base_3) 642 if(sym53c416_base_3[0])
643 { 643 {
644 ints[1] = sym53c416_base_3[0]; 644 ints[1] = sym53c416_base_3[0];
645 ints[2] = sym53c416_base_3[1]; 645 ints[2] = sym53c416_base_3[1];
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index d1299e999723..530ff4c553f8 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -6,6 +6,7 @@
6#include <linux/types.h> 6#include <linux/types.h>
7#include <linux/workqueue.h> 7#include <linux/workqueue.h>
8#include <linux/mutex.h> 8#include <linux/mutex.h>
9#include <scsi/scsi.h>
9 10
10struct request_queue; 11struct request_queue;
11struct block_device; 12struct block_device;
@@ -25,12 +26,15 @@ struct blk_queue_tags;
25 * NONE: Self evident. Host adapter is not capable of scatter-gather. 26 * NONE: Self evident. Host adapter is not capable of scatter-gather.
26 * ALL: Means that the host adapter module can do scatter-gather, 27 * ALL: Means that the host adapter module can do scatter-gather,
27 * and that there is no limit to the size of the table to which 28 * and that there is no limit to the size of the table to which
28 * we scatter/gather data. 29 * we scatter/gather data. The value we set here is the maximum
30 * single element sglist. To use chained sglists, the adapter
31 * has to set a value beyond ALL (and correctly use the chain
32 * handling API.
29 * Anything else: Indicates the maximum number of chains that can be 33 * Anything else: Indicates the maximum number of chains that can be
30 * used in one scatter-gather request. 34 * used in one scatter-gather request.
31 */ 35 */
32#define SG_NONE 0 36#define SG_NONE 0
33#define SG_ALL 0xff 37#define SG_ALL SCSI_MAX_SG_SEGMENTS
34 38
35#define MODE_UNKNOWN 0x00 39#define MODE_UNKNOWN 0x00
36#define MODE_INITIATOR 0x01 40#define MODE_INITIATOR 0x01
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 15:19:14 -0500