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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] gdth: update deprecated pci_find_device
  [SCSI] gdth: scan for scsi devices
  [SCSI] sym53c416: fix module parameters
  [SCSI] lpfc 8.2.5 : Update lpfc driver version to 8.2.5
  [SCSI] lpfc 8.2.5 : Fix buffer leaks
  [SCSI] lpfc 8.2.5 : Miscellaneous discovery Fixes
  [SCSI] lpfc 8.2.5 : Add MSI-X single message support
  [SCSI] lpfc 8.2.5 : Miscellaneous Fixes
  [SCSI] lpfc 8.2.5 : Correct ndlp referencing issues
  [SCSI] update SG_ALL to avoid causing chaining
  [SCSI] aic94xx: fix ABORT_TASK define conflict
  [SCSI] fas216: Use scsi_eh API for REQUEST_SENSE invocation
  [SCSI] ses: fix memory leaks
  [SCSI] aacraid: informational sysfs value corrections
  [SCSI] mpt fusion: Request I/O resources only when required
  [SCSI] aacraid: ignore adapter reset check polarity
  [SCSI] aacraid: add optional MSI support
  [SCSI] mpt fusion: Avoid racing when mptsas and mptcl module are loaded in parallel
  [SCSI] MegaRAID driver management char device moved to misc
  [SCSI] advansys: fix overrun_buf aligned bug
This commit is contained in:
Linus Torvalds 2008-02-13 16:23:44 -08:00
commit e760e716d4
36 changed files with 1232 additions and 370 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
drivers/message/fusion/mptbase.c
View File

@ -1470,9 +1470,6 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
if (mpt_debug_level)
printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level);
if (pci_enable_device(pdev))
return r;
ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
if (ioc == NULL) {
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)
ioc->id = mpt_ids++;
sprintf(ioc->name, "ioc%d", ioc->id);
ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
if (pci_enable_device_mem(pdev)) {
kfree(ioc);
printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
"failed\n", ioc->name);
return r;
}
if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
kfree(ioc);
printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
"MEM failed\n", ioc->name);
return r;
}
dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
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)
ioc->active = 0;
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
/* Set IOC ptr in the pcidev's driver data. */
pci_set_drvdata(ioc->pcidev, ioc);
/* Set lookup ptr. */
list_add_tail(&ioc->list, &ioc_list);
@ -1791,6 +1805,7 @@ mpt_suspend(struct pci_dev *pdev, pm_message_t state)
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
pci_disable_device(pdev);
pci_release_selected_regions(pdev, ioc->bars);
pci_set_power_state(pdev, device_state);
return 0;
@ -1807,7 +1822,6 @@ mpt_resume(struct pci_dev *pdev)
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
u32 device_state = pdev->current_state;
int recovery_state;
int err;
printk(MYIOC_s_INFO_FMT
"pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n",
@ -1815,9 +1829,18 @@ mpt_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, 0);
pci_restore_state(pdev);
err = pci_enable_device(pdev);
if (err)
return err;
if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) {
ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
IORESOURCE_IO);
if (pci_enable_device(pdev))
return 0;
} else {
ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
if (pci_enable_device_mem(pdev))
return 0;
}
if (pci_request_selected_regions(pdev, ioc->bars, "mpt"))
return 0;
/* enable interrupts */
CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
@ -1878,6 +1901,7 @@ mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
* -2 if READY but IOCFacts Failed
* -3 if READY but PrimeIOCFifos Failed
* -4 if READY but IOCInit Failed
* -5 if failed to enable_device and/or request_selected_regions
*/
static int
mpt_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)
}
}
if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
(ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
pci_release_selected_regions(ioc->pcidev, ioc->bars);
ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
IORESOURCE_IO);
if (pci_enable_device(ioc->pcidev))
return -5;
if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
"mpt"))
return -5;
}
/*
* Device is reset now. It must have de-asserted the interrupt line
* (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)
irq_allocated = 1;
ioc->pci_irq = ioc->pcidev->irq;
pci_set_master(ioc->pcidev); /* ?? */
pci_set_drvdata(ioc->pcidev, ioc);
dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
"%d\n", ioc->name, ioc->pcidev->irq));
}
@ -2381,6 +2416,9 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc)
ioc->memmap = NULL;
}
pci_disable_device(ioc->pcidev);
pci_release_selected_regions(ioc->pcidev, ioc->bars);
#if defined(CONFIG_MTRR) && 0
if (ioc->mtrr_reg > 0) {
mtrr_del(ioc->mtrr_reg, 0, 0);

1
drivers/message/fusion/mptbase.h
View File

@ -629,6 +629,7 @@ typedef struct _MPT_ADAPTER
dma_addr_t HostPageBuffer_dma;
int mtrr_reg;
struct pci_dev *pcidev; /* struct pci_dev pointer */
int bars; /* bitmask of BAR's that must be configured */
u8 __iomem *memmap; /* mmap address */
struct Scsi_Host *sh; /* Scsi Host pointer */
SpiCfgData spi_data; /* Scsi config. data */

2
drivers/scsi/Kconfig
View File

@ -722,7 +722,7 @@ config SCSI_FD_MCS
config SCSI_GDTH
tristate "Intel/ICP (former GDT SCSI Disk Array) RAID Controller support"
depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API && PCI_LEGACY
depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API
---help---
Formerly called GDT SCSI Disk Array Controller Support.

70
drivers/scsi/aacraid/aachba.c
View File

@ -144,51 +144,77 @@ static char *aac_get_status_string(u32 status);
*/
static int nondasd = -1;
static int aac_cache = 0;
static int aac_cache;
static int dacmode = -1;
int aac_msi;
int aac_commit = -1;
int startup_timeout = 180;
int aif_timeout = 120;
module_param(nondasd, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
" 0=off, 1=on");
module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
MODULE_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");
MODULE_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");
module_param(dacmode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
" 0=off, 1=on");
module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
MODULE_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");
MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
" adapter for foreign arrays.\n"
"This is typically needed in systems that do not have a BIOS."
" 0=off, 1=on");
module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(msi, "IRQ handling."
" 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
MODULE_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.");
MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
" adapter to have it's kernel up and\n"
"running. This is typically adjusted for large systems that do not"
" have a BIOS.");
module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
MODULE_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.");
MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
" applications to pick up AIFs before\n"
"deregistering them. This is typically adjusted for heavily burdened"
" systems.");
int numacb = -1;
module_param(numacb, int, S_IRUGO|S_IWUSR);
MODULE_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.");
MODULE_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.");
int acbsize = -1;
module_param(acbsize, int, S_IRUGO|S_IWUSR);
MODULE_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.");
MODULE_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.");
int update_interval = 30 * 60;
module_param(update_interval, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter.");
MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
" updates issued to adapter.");
int check_interval = 24 * 60 * 60;
module_param(check_interval, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks.");
MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
" checks.");
int aac_check_reset = 1;
module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
MODULE_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.");
MODULE_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.");
int expose_physicals = -1;
module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
" -1=protect 0=off, 1=on");
int aac_reset_devices = 0;
int aac_reset_devices;
module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
@ -1315,7 +1341,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
(int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
dev->supplement_adapter_info.VpdInfo.Tsid);
}
if (!aac_check_reset || ((aac_check_reset != 1) &&
if (!aac_check_reset || ((aac_check_reset == 1) &&
(dev->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_IGNORE_RESET))) {
printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
@ -1353,13 +1379,14 @@ int aac_get_adapter_info(struct aac_dev* dev)
if (nondasd != -1)
dev->nondasd_support = (nondasd!=0);
if(dev->nondasd_support != 0) {
if (dev->nondasd_support && !dev->in_reset)
printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
}
dev->dac_support = 0;
if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
if (!dev->in_reset)
printk(KERN_INFO "%s%d: 64bit support enabled.\n",
dev->name, dev->id);
dev->dac_support = 1;
}
@ -1369,8 +1396,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
if(dev->dac_support != 0) {
if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
!pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
dev->name, dev->id);
if (!dev->in_reset)
printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
dev->name, dev->id);
} else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
!pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",

2
drivers/scsi/aacraid/aacraid.h
View File

@ -1026,6 +1026,7 @@ struct aac_dev
u8 raw_io_64;
u8 printf_enabled;
u8 in_reset;
u8 msi;
};
#define aac_adapter_interrupt(dev) \
@ -1881,6 +1882,7 @@ extern int startup_timeout;
extern int aif_timeout;
extern int expose_physicals;
extern int aac_reset_devices;
extern int aac_msi;
extern int aac_commit;
extern int update_interval;
extern int check_interval;

2
drivers/scsi/aacraid/commsup.c
View File

@ -1458,7 +1458,7 @@ int aac_check_health(struct aac_dev * aac)
printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED);
if (!aac_check_reset || ((aac_check_reset != 1) &&
if (!aac_check_reset || ((aac_check_reset == 1) &&
(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_IGNORE_RESET)))
goto out;

47
drivers/scsi/aacraid/linit.c
View File

@ -275,9 +275,9 @@ static const char *aac_info(struct Scsi_Host *shost)
/**
* aac_get_driver_ident
* @devtype: index into lookup table
* @devtype: index into lookup table
*
* Returns a pointer to the entry in the driver lookup table.
* Returns a pointer to the entry in the driver lookup table.
*/
struct 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)
static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device * sdev = to_scsi_device(dev);
struct scsi_device *sdev = to_scsi_device(dev);
struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
if (sdev_channel(sdev) != CONTAINER_CHANNEL)
return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
? "Hidden\n" : "JBOD");
? "Hidden\n" :
((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
return snprintf(buf, PAGE_SIZE, "%s\n",
get_container_type(((struct aac_dev *)(sdev->host->hostdata))
->fsa_dev[sdev_id(sdev)].type));
get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
}
static struct device_attribute aac_raid_level_attr = {
@ -641,7 +642,7 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
AAC_OPTION_MU_RESET) &&
aac_check_reset &&
((aac_check_reset != 1) ||
(aac->supplement_adapter_info.SupportedOptions2 &
!(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_IGNORE_RESET)))
aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
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)
le32_to_cpu(dev->adapter_info.serial[0]));
if (len &&
!memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
buf, len))
sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
buf, len-1))
len = snprintf(buf, PAGE_SIZE, "%.*s\n",
(int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
dev->supplement_adapter_info.MfgPcbaSerialNo);
@ -1004,32 +1005,32 @@ static const struct file_operations aac_cfg_fops = {
static struct scsi_host_template aac_driver_template = {
.module = THIS_MODULE,
.name = "AAC",
.name = "AAC",
.proc_name = AAC_DRIVERNAME,
.info = aac_info,
.ioctl = aac_ioctl,
.info = aac_info,
.ioctl = aac_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = aac_compat_ioctl,
#endif
.queuecommand = aac_queuecommand,
.bios_param = aac_biosparm,
.queuecommand = aac_queuecommand,
.bios_param = aac_biosparm,
.shost_attrs = aac_attrs,
.slave_configure = aac_slave_configure,
.change_queue_depth = aac_change_queue_depth,
.sdev_attrs = aac_dev_attrs,
.eh_abort_handler = aac_eh_abort,
.eh_host_reset_handler = aac_eh_reset,
.can_queue = AAC_NUM_IO_FIB,
.this_id = MAXIMUM_NUM_CONTAINERS,
.sg_tablesize = 16,
.max_sectors = 128,
.can_queue = AAC_NUM_IO_FIB,
.this_id = MAXIMUM_NUM_CONTAINERS,
.sg_tablesize = 16,
.max_sectors = 128,
#if (AAC_NUM_IO_FIB > 256)
.cmd_per_lun = 256,
#else
.cmd_per_lun = AAC_NUM_IO_FIB,
.cmd_per_lun = AAC_NUM_IO_FIB,
#endif
.use_clustering = ENABLE_CLUSTERING,
.emulated = 1,
.emulated = 1,
};
static void __aac_shutdown(struct aac_dev * aac)
@ -1039,6 +1040,8 @@ static void __aac_shutdown(struct aac_dev * aac)
aac_send_shutdown(aac);
aac_adapter_disable_int(aac);
free_irq(aac->pdev->irq, aac);
if (aac->msi)
pci_disable_msi(aac->pdev);
}
static int __devinit aac_probe_one(struct pci_dev *pdev,
@ -1254,7 +1257,7 @@ static struct pci_driver aac_pci_driver = {
.id_table = aac_pci_tbl,
.probe = aac_probe_one,
.remove = __devexit_p(aac_remove_one),
.shutdown = aac_shutdown,
.shutdown = aac_shutdown,
};
static int __init aac_init(void)
@ -1271,7 +1274,7 @@ static int __init aac_init(void)
aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
if (aac_cfg_major < 0) {
printk(KERN_WARNING
"aacraid: unable to register \"aac\" device.\n");
"aacraid: unable to register \"aac\" device.\n");
}
return 0;

5
drivers/scsi/aacraid/rx.c
View File

@ -625,8 +625,11 @@ int _aac_rx_init(struct aac_dev *dev)
if (aac_init_adapter(dev) == NULL)
goto error_iounmap;
aac_adapter_comm(dev, dev->comm_interface);
if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr,
dev->msi = aac_msi && !pci_enable_msi(dev->pdev);
if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) {
if (dev->msi)
pci_disable_msi(dev->pdev);
printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
name, instance);
goto error_iounmap;

5
drivers/scsi/aacraid/sa.c
View File

@ -31,6 +31,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
@ -385,7 +386,7 @@ int aac_sa_init(struct aac_dev *dev)
if(aac_init_adapter(dev) == NULL)
goto error_irq;
if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr,
if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
IRQF_SHARED|IRQF_DISABLED,
"aacraid", (void *)dev ) < 0) {
printk(KERN_WARNING "%s%d: Interrupt unavailable.\n",
@ -403,7 +404,7 @@ int aac_sa_init(struct aac_dev *dev)
error_irq:
aac_sa_disable_interrupt(dev);
free_irq(dev->scsi_host_ptr->irq, (void *)dev);
free_irq(dev->pdev->irq, (void *)dev);
error_iounmap:

13
drivers/scsi/advansys.c
View File

@ -566,7 +566,7 @@ typedef struct asc_dvc_var {
ASC_SCSI_BIT_ID_TYPE unit_not_ready;
ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
ASC_SCSI_BIT_ID_TYPE start_motor;
uchar overrun_buf[ASC_OVERRUN_BSIZE] __aligned(8);
uchar *overrun_buf;
dma_addr_t overrun_dma;
uchar scsi_reset_wait;
uchar chip_no;
@ -13833,6 +13833,12 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
*/
if (ASC_NARROW_BOARD(boardp)) {
ASC_DBG(2, "AscInitAsc1000Driver()\n");
asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
if (!asc_dvc_varp->overrun_buf) {
ret = -ENOMEM;
goto err_free_wide_mem;
}
warn_code = AscInitAsc1000Driver(asc_dvc_varp);
if (warn_code || asc_dvc_varp->err_code) {
@ -13840,8 +13846,10 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
"warn 0x%x, error 0x%x\n",
asc_dvc_varp->init_state, warn_code,
asc_dvc_varp->err_code);
if (asc_dvc_varp->err_code)
if (asc_dvc_varp->err_code) {
ret = -ENODEV;
kfree(asc_dvc_varp->overrun_buf);
}
}
} else {
if (advansys_wide_init_chip(shost))
@ -13894,6 +13902,7 @@ static int advansys_release(struct Scsi_Host *shost)
dma_unmap_single(board->dev,
board->dvc_var.asc_dvc_var.overrun_dma,
ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
kfree(board->dvc_var.asc_dvc_var.overrun_buf);
} else {
iounmap(board->ioremap_addr);
advansys_wide_free_mem(board);

2
drivers/scsi/aic94xx/aic94xx_sas.h
View File

@ -292,7 +292,7 @@ struct scb_header {
#define INITIATE_SSP_TASK 0x00
#define INITIATE_LONG_SSP_TASK 0x01
#define INITIATE_BIDIR_SSP_TASK 0x02
#define ABORT_TASK 0x03
#define SCB_ABORT_TASK 0x03
#define INITIATE_SSP_TMF 0x04
#define SSP_TARG_GET_DATA 0x05
#define SSP_TARG_GET_DATA_GOOD 0x06

2
drivers/scsi/aic94xx/aic94xx_tmf.c
View File

@ -369,7 +369,7 @@ int asd_abort_task(struct sas_task *task)
return -ENOMEM;
scb = ascb->scb;
scb->header.opcode = ABORT_TASK;
scb->header.opcode = SCB_ABORT_TASK;
switch (task->task_proto) {
case SAS_PROTOCOL_SATA:

16
drivers/scsi/arm/fas216.c
View File

@ -2018,6 +2018,7 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt,
* the upper layers to process. This would have been set
* correctly by fas216_std_done.
*/
scsi_eh_restore_cmnd(SCpnt, &info->ses);
SCpnt->scsi_done(SCpnt);
}
@ -2103,23 +2104,12 @@ request_sense:
if (SCpnt->cmnd[0] == REQUEST_SENSE)
goto done;
scsi_eh_prep_cmnd(SCpnt, &info->ses, NULL, 0, ~0);
fas216_log_target(info, LOG_CONNECT, SCpnt->device->id,
"requesting sense");
memset(SCpnt->cmnd, 0, sizeof (SCpnt->cmnd));
SCpnt->cmnd[0] = REQUEST_SENSE;
SCpnt->cmnd[1] = SCpnt->device->lun << 5;
SCpnt->cmnd[4] = sizeof(SCpnt->sense_buffer);
SCpnt->cmd_len = COMMAND_SIZE(SCpnt->cmnd[0]);
SCpnt->SCp.buffer = NULL;
SCpnt->SCp.buffers_residual = 0;
SCpnt->SCp.ptr = (char *)SCpnt->sense_buffer;
SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer);
SCpnt->SCp.phase = sizeof(SCpnt->sense_buffer);
init_SCp(SCpnt);
SCpnt->SCp.Message = 0;
SCpnt->SCp.Status = 0;
SCpnt->request_bufflen = sizeof(SCpnt->sense_buffer);
SCpnt->sc_data_direction = DMA_FROM_DEVICE;
SCpnt->use_sg = 0;
SCpnt->tag = 0;
SCpnt->host_scribble = (void *)fas216_rq_sns_done;

3
drivers/scsi/arm/fas216.h
View File

@ -16,6 +16,8 @@
#define NO_IRQ 255
#endif
#include <scsi/scsi_eh.h>
#include "queue.h"
#include "msgqueue.h"
@ -311,6 +313,7 @@ typedef struct {
/* miscellaneous */
int internal_done; /* flag to indicate request done */
struct scsi_eh_save *ses; /* holds request sense restore info */
unsigned long magic_end;
} FAS216_Info;

16
drivers/scsi/gdth.c
View File

@ -642,12 +642,15 @@ static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
*cnt, vendor, device));
pdev = NULL;
while ((pdev = pci_find_device(vendor, device, pdev))
while ((pdev = pci_get_device(vendor, device, pdev))
!= NULL) {
if (pci_enable_device(pdev))
continue;
if (*cnt >= MAXHA)
if (*cnt >= MAXHA) {
pci_dev_put(pdev);
return;
}
/* GDT PCI controller found, resources are already in pdev */
pcistr[*cnt].pdev = pdev;
pcistr[*cnt].irq = pdev->irq;
@ -4836,6 +4839,9 @@ static int __init gdth_isa_probe_one(ulong32 isa_bios)
if (error)
goto out_free_coal_stat;
list_add_tail(&ha->list, &gdth_instances);
scsi_scan_host(shp);
return 0;
out_free_coal_stat:
@ -4963,6 +4969,9 @@ static int __init gdth_eisa_probe_one(ushort eisa_slot)
if (error)
goto out_free_coal_stat;
list_add_tail(&ha->list, &gdth_instances);
scsi_scan_host(shp);
return 0;
out_free_ccb_phys:
@ -5100,6 +5109,9 @@ static int __init gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr)
if (error)
goto out_free_coal_stat;
list_add_tail(&ha->list, &gdth_instances);
scsi_scan_host(shp);
return 0;
out_free_coal_stat:

19
drivers/scsi/lpfc/lpfc.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -307,6 +307,7 @@ struct lpfc_vport {
uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
uint32_t fc_rscn_flush; /* flag use of fc_rscn_id_list */
struct lpfc_dmabuf *fc_rscn_id_list[FC_MAX_HOLD_RSCN];
struct lpfc_name fc_nodename; /* fc nodename */
struct lpfc_name fc_portname; /* fc portname */
@ -392,6 +393,13 @@ enum hba_temp_state {
HBA_OVER_TEMP
};
enum intr_type_t {
NONE = 0,
INTx,
MSI,
MSIX,
};
struct lpfc_hba {
struct lpfc_sli sli;
uint32_t sli_rev; /* SLI2 or SLI3 */
@ -409,7 +417,7 @@ struct lpfc_hba {
/* This flag is set while issuing */
/* INIT_LINK mailbox command */
#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
#define LS_IGNORE_ERATT 0x3 /* intr handler should ignore ERATT */
#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
struct lpfc_sli2_slim *slim2p;
struct lpfc_dmabuf hbqslimp;
@ -487,6 +495,8 @@ struct lpfc_hba {
wait_queue_head_t *work_wait;
struct task_struct *worker_thread;
uint32_t hbq_in_use; /* HBQs in use flag */
struct list_head hbqbuf_in_list; /* in-fly hbq buffer list */
uint32_t hbq_count; /* Count of configured HBQs */
struct hbq_s hbqs[LPFC_MAX_HBQS]; /* local copy of hbq indicies */
@ -555,7 +565,8 @@ struct lpfc_hba {
mempool_t *nlp_mem_pool;
struct fc_host_statistics link_stats;
uint8_t using_msi;
enum intr_type_t intr_type;
struct msix_entry msix_entries[1];
struct list_head port_list;
struct lpfc_vport *pport; /* physical lpfc_vport pointer */
@ -595,6 +606,8 @@ struct lpfc_hba {
unsigned long last_completion_time;
struct timer_list hb_tmofunc;
uint8_t hb_outstanding;
/* ndlp reference management */
spinlock_t ndlp_lock;
/*
* Following bit will be set for all buffer tags which are not
* associated with any HBQ.

19
drivers/scsi/lpfc/lpfc_attr.c
View File

@ -1191,7 +1191,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
shost = lpfc_shost_from_vport(vport);
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp)
if (ndlp->rport)
if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport)
ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
spin_unlock_irq(shost->host_lock);
}
@ -1592,9 +1592,11 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
# support this feature
# 0 = MSI disabled (default)
# 1 = MSI enabled
# Value range is [0,1]. Default value is 0.
# 2 = MSI-X enabled
# Value range is [0,2]. Default value is 0.
*/
LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible");
LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
"MSI-X (2), if possible");
/*
# 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,
}
/* If HBA encountered an error attention, allow only DUMP
* mailbox command until the HBA is restarted.
* or RESTART mailbox commands until the HBA is restarted.
*/
if ((phba->pport->stopped) &&
(phba->sysfs_mbox.mbox->mb.mbxCommand
!= MBX_DUMP_MEMORY)) {
(phba->sysfs_mbox.mbox->mb.mbxCommand !=
MBX_DUMP_MEMORY &&
phba->sysfs_mbox.mbox->mb.mbxCommand !=
MBX_RESTART)) {
sysfs_mbox_idle(phba);
spin_unlock_irq(&phba->hbalock);
return -EPERM;
@ -2384,7 +2388,8 @@ lpfc_get_node_by_target(struct scsi_target *starget)
spin_lock_irq(shost->host_lock);
/* Search for this, mapped, target ID */
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
if (NLP_CHK_NODE_ACT(ndlp) &&
ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
starget->id == ndlp->nlp_sid) {
spin_unlock_irq(shost->host_lock);
return ndlp;

6
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -53,7 +53,11 @@ void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_enqueue_node(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_dequeue_node(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_disable_node(struct lpfc_vport *, struct lpfc_nodelist *);
struct lpfc_nodelist *lpfc_enable_node(struct lpfc_vport *,
struct lpfc_nodelist *, int);
void lpfc_nlp_set_state(struct lpfc_vport *, struct lpfc_nodelist *, int);
void lpfc_drop_node(struct lpfc_vport *, struct lpfc_nodelist *);
void lpfc_set_disctmo(struct lpfc_vport *);

41
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -294,7 +294,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
/* Save for completion so we can release these resources */
geniocb->context1 = (uint8_t *) inp;
geniocb->context2 = (uint8_t *) outp;
geniocb->context_un.ndlp = ndlp;
geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
/* Fill in payload, bp points to frame payload */
icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
@ -489,8 +489,10 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
*/
ndlp = lpfc_findnode_did(vport,
Did);
if (ndlp && (ndlp->nlp_type &
NLP_FCP_TARGET))
if (ndlp &&
NLP_CHK_NODE_ACT(ndlp)
&& (ndlp->nlp_type &
NLP_FCP_TARGET))
lpfc_setup_disc_node
(vport, Did);
else if (lpfc_ns_cmd(vport,
@ -773,7 +775,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
"0267 NameServer GFF Rsp "
"x%x Error (%d %d) Data: x%x x%x\n",
did, irsp->ulpStatus, irsp->un.ulpWord[4],
vport->fc_flag, vport->fc_rscn_id_cnt)
vport->fc_flag, vport->fc_rscn_id_cnt);
}
/* 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,
int rc = 0;
ndlp = lpfc_findnode_did(vport, NameServer_DID);
if (ndlp == NULL || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
|| ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
rc=1;
goto ns_cmd_exit;
}
@ -1213,8 +1216,9 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
cmpl = lpfc_cmpl_ct_cmd_rff_id;
break;
}
lpfc_nlp_get(ndlp);
/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
* to hold ndlp reference for the corresponding callback function.
*/
if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
/* On success, The cmpl function will free the buffers */
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
@ -1222,9 +1226,13 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
cmdcode, ndlp->nlp_DID, 0);
return 0;
}
rc=6;
/* Decrement ndlp reference count to release ndlp reference held
* for the failed command's callback function.
*/
lpfc_nlp_put(ndlp);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
ns_cmd_free_bmp:
kfree(bmp);
@ -1271,6 +1279,9 @@ lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
ndlp = lpfc_findnode_did(vport, FDMI_DID);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
goto fail_out;
if (fdmi_rsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
/* FDMI rsp failed */
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,
lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
break;
}
fail_out:
lpfc_ct_free_iocb(phba, cmdiocb);
return;
}
@ -1650,12 +1663,18 @@ lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
bpl->tus.w = le32_to_cpu(bpl->tus.w);
cmpl = lpfc_cmpl_ct_cmd_fdmi;
lpfc_nlp_get(ndlp);
/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
* to hold ndlp reference for the corresponding callback function.
*/
if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, FC_MAX_NS_RSP, 0))
return 0;
/* Decrement ndlp reference count to release ndlp reference held
* for the failed command's callback function.
*/
lpfc_nlp_put(ndlp);
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
fdmi_cmd_free_bmp:
kfree(bmp);
@ -1698,7 +1717,7 @@ lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
struct lpfc_nodelist *ndlp;
ndlp = lpfc_findnode_did(vport, FDMI_DID);
if (ndlp) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
if (init_utsname()->nodename[0] != '\0')
lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
else

66
drivers/scsi/lpfc/lpfc_disc.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -73,6 +73,12 @@ struct lpfc_nodelist {
uint8_t nlp_fcp_info; /* class info, bits 0-3 */
#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */
uint16_t nlp_usg_map; /* ndlp management usage bitmap */
#define NLP_USG_NODE_ACT_BIT 0x1 /* Indicate ndlp is actively used */
#define NLP_USG_IACT_REQ_BIT 0x2 /* Request to inactivate ndlp */
#define NLP_USG_FREE_REQ_BIT 0x4 /* Request to invoke ndlp memory free */
#define NLP_USG_FREE_ACK_BIT 0x8 /* Indicate ndlp memory free invoked */
struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
struct fc_rport *rport; /* Corresponding FC transport
port structure */
@ -85,25 +91,51 @@ struct lpfc_nodelist {
};
/* Defines for nlp_flag (uint32) */
#define NLP_PLOGI_SND 0x20 /* sent PLOGI request for this entry */
#define NLP_PRLI_SND 0x40 /* sent PRLI request for this entry */
#define NLP_ADISC_SND 0x80 /* sent ADISC request for this entry */
#define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */
#define NLP_RNID_SND 0x400 /* sent RNID request for this entry */
#define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */
#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */
#define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */
#define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */
#define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */
#define NLP_LOGO_ACC 0x100000 /* Process LOGO after ACC completes */
#define NLP_TGT_NO_SCSIID 0x200000 /* good PRLI but no binding for scsid */
#define NLP_ACC_REGLOGIN 0x1000000 /* Issue Reg Login after successful
#define NLP_PLOGI_SND 0x00000020 /* sent PLOGI request for this entry */
#define NLP_PRLI_SND 0x00000040 /* sent PRLI request for this entry */
#define NLP_ADISC_SND 0x00000080 /* sent ADISC request for this entry */
#define NLP_LOGO_SND 0x00000100 /* sent LOGO request for this entry */
#define NLP_RNID_SND 0x00000400 /* sent RNID request for this entry */
#define NLP_ELS_SND_MASK 0x000007e0 /* sent ELS request for this entry */
#define NLP_DEFER_RM 0x00010000 /* Remove this ndlp if no longer used */
#define NLP_DELAY_TMO 0x00020000 /* delay timeout is running for node */
#define NLP_NPR_2B_DISC 0x00040000 /* node is included in num_disc_nodes */
#define NLP_RCV_PLOGI 0x00080000 /* Rcv'ed PLOGI from remote system */
#define NLP_LOGO_ACC 0x00100000 /* Process LOGO after ACC completes */
#define NLP_TGT_NO_SCSIID 0x00200000 /* good PRLI but no binding for scsid */
#define NLP_ACC_REGLOGIN 0x01000000 /* Issue Reg Login after successful
ACC */
#define NLP_NPR_ADISC 0x2000000 /* Issue ADISC when dq'ed from
#define NLP_NPR_ADISC 0x02000000 /* Issue ADISC when dq'ed from
NPR list */
#define NLP_RM_DFLT_RPI 0x4000000 /* need to remove leftover dflt RPI */
#define NLP_NODEV_REMOVE 0x8000000 /* Defer removal till discovery ends */
#define NLP_RM_DFLT_RPI 0x04000000 /* need to remove leftover dflt RPI */
#define NLP_NODEV_REMOVE 0x08000000 /* Defer removal till discovery ends */
#define NLP_TARGET_REMOVE 0x10000000 /* Target remove in process */
#define NLP_SC_REQ 0x20000000 /* Target requires authentication */
/* ndlp usage management macros */
#define NLP_CHK_NODE_ACT(ndlp) (((ndlp)->nlp_usg_map \
& NLP_USG_NODE_ACT_BIT) \
&& \
!((ndlp)->nlp_usg_map \
& NLP_USG_FREE_ACK_BIT))
#define NLP_SET_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
|= NLP_USG_NODE_ACT_BIT)
#define NLP_INT_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
= NLP_USG_NODE_ACT_BIT)
#define NLP_CLR_NODE_ACT(ndlp) ((ndlp)->nlp_usg_map \
&= ~NLP_USG_NODE_ACT_BIT)
#define NLP_CHK_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
& NLP_USG_IACT_REQ_BIT)
#define NLP_SET_IACT_REQ(ndlp) ((ndlp)->nlp_usg_map \
|= NLP_USG_IACT_REQ_BIT)
#define NLP_CHK_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
& NLP_USG_FREE_REQ_BIT)
#define NLP_SET_FREE_REQ(ndlp) ((ndlp)->nlp_usg_map \
|= NLP_USG_FREE_REQ_BIT)
#define NLP_CHK_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
& NLP_USG_FREE_ACK_BIT)
#define NLP_SET_FREE_ACK(ndlp) ((ndlp)->nlp_usg_map \
|= NLP_USG_FREE_ACK_BIT)
/* There are 4 different double linked lists nodelist entries can reside on.
* The Port Login (PLOGI) list and Address Discovery (ADISC) list are used

384
drivers/scsi/lpfc/lpfc_els.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -113,6 +113,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
if (elsiocb == NULL)
return NULL;
icmd = &elsiocb->iocb;
/* fill in BDEs for command */
@ -134,9 +135,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
if (!prsp || !prsp->virt)
goto els_iocb_free_prsp_exit;
INIT_LIST_HEAD(&prsp->list);
} else {
} else
prsp = NULL;
}
/* Allocate buffer for Buffer ptr list */
pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
@ -246,7 +246,7 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
sp = &phba->fc_fabparam;
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp) {
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
err = 1;
goto fail;
}
@ -282,6 +282,9 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login;
mbox->vport = vport;
/* increment the reference count on ndlp to hold reference
* for the callback routine.
*/
mbox->context2 = lpfc_nlp_get(ndlp);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
@ -293,6 +296,9 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
return 0;
fail_issue_reg_login:
/* decrement the reference count on ndlp just incremented
* for the failed mbox command.
*/
lpfc_nlp_put(ndlp);
mp = (struct lpfc_dmabuf *) mbox->context1;
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,
*/
list_for_each_entry_safe(np, next_np,
&vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if ((np->nlp_state != NLP_STE_NPR_NODE) ||
!(np->nlp_flag & NLP_NPR_ADISC))
continue;
@ -456,6 +464,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
mempool_free(mbox, phba->mbox_mem_pool);
goto fail;
}
/* Decrement ndlp reference count indicating that ndlp can be
* safely released when other references to it are done.
*/
lpfc_nlp_put(ndlp);
ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID);
@ -467,22 +478,29 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
goto fail;
lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID);
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if(!ndlp)
goto fail;
}
memcpy(&ndlp->nlp_portname, &sp->portName,
sizeof(struct lpfc_name));
memcpy(&ndlp->nlp_nodename, &sp->nodeName,
sizeof(struct lpfc_name));
/* Set state will put ndlp onto node list if not already done */
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
spin_unlock_irq(shost->host_lock);
} else {
/* This side will wait for the PLOGI */
} else
/* This side will wait for the PLOGI, decrement ndlp reference
* count indicating that ndlp can be released when other
* references to it are done.
*/
lpfc_nlp_put(ndlp);
}
/* If we are pt2pt with another NPort, force NPIV off! */
phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
@ -728,16 +746,21 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
if (!ndlp)
return 0;
lpfc_nlp_init(vport, ndlp, Fabric_DID);
} else {
lpfc_dequeue_node(vport, ndlp);
/* Put ndlp onto node list */
lpfc_enqueue_node(vport, ndlp);
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
/* re-setup ndlp without removing from node list */
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
if (!ndlp)
return 0;
}
if (lpfc_issue_els_flogi(vport, ndlp, 0)) {
if (lpfc_issue_els_flogi(vport, ndlp, 0))
/* This decrement of reference count to node shall kick off
* the release of the node.
*/
lpfc_nlp_put(ndlp);
}
return 1;
}
@ -755,9 +778,15 @@ lpfc_initial_fdisc(struct lpfc_vport *vport)
if (!ndlp)
return 0;
lpfc_nlp_init(vport, ndlp, Fabric_DID);
} else {
lpfc_dequeue_node(vport, ndlp);
/* Put ndlp onto node list */
lpfc_enqueue_node(vport, ndlp);
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
/* re-setup ndlp without removing from node list */
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
if (!ndlp)
return 0;
}
if (lpfc_issue_els_fdisc(vport, ndlp, 0)) {
/* decrement node reference count to trigger the release of
* the node.
@ -816,7 +845,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
*/
new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName);
if (new_ndlp == ndlp)
if (new_ndlp == ndlp && NLP_CHK_NODE_ACT(new_ndlp))
return ndlp;
if (!new_ndlp) {
@ -827,8 +856,12 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
if (!new_ndlp)
return ndlp;
lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID);
} else if (!NLP_CHK_NODE_ACT(new_ndlp)) {
new_ndlp = lpfc_enable_node(vport, new_ndlp,
NLP_STE_UNUSED_NODE);
if (!new_ndlp)
return ndlp;
}
lpfc_unreg_rpi(vport, new_ndlp);
@ -839,6 +872,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
new_ndlp->nlp_flag |= NLP_NPR_2B_DISC;
ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
/* Set state will put new_ndlp on to node list if not already done */
lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state);
/* Move this back to NPR state */
@ -912,7 +946,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->un.elsreq64.remoteID);
ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID);
if (!ndlp) {
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0136 PLOGI completes to NPort x%x "
"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,
}
/* PLOGI failed */
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp)) {
if (lpfc_error_lost_link(irsp))
rc = NLP_STE_FREED_NODE;
} else {
else
rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PLOGI);
}
} else {
/* Good status, call state machine */
prsp = list_entry(((struct lpfc_dmabuf *)
@ -1015,8 +1048,10 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
ndlp = lpfc_findnode_did(vport, did);
/* If ndlp if not NULL, we will bump the reference count on it */
if (ndlp && !NLP_CHK_NODE_ACT(ndlp))
ndlp = NULL;
/* If ndlp is not NULL, we will bump the reference count on it */
cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
ELS_CMD_PLOGI);
@ -1097,18 +1132,15 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* PRLI failed */
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (lpfc_error_lost_link(irsp)) {
if (lpfc_error_lost_link(irsp))
goto out;
} else {
else
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
}
} else {
} else
/* Good status, call state machine */
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
}
out:
lpfc_els_free_iocb(phba, cmdiocb);
return;
@ -1275,15 +1307,13 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/* ADISC failed */
/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
if (!lpfc_error_lost_link(irsp)) {
if (!lpfc_error_lost_link(irsp))
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_ADISC);
}
} else {
} else
/* Good status, call state machine */
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_ADISC);
}
if (disc && vport->num_disc_nodes) {
/* 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,
else
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_LOGO);
} else {
} else
/* Good status, call state machine.
* This will unregister the rpi if needed.
*/
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_LOGO);
}
out:
lpfc_els_free_iocb(phba, cmdiocb);
return;
@ -1556,11 +1584,19 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
psli = &phba->sli;
pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
cmdsize = (sizeof(uint32_t) + sizeof(SCR));
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
return 1;
lpfc_nlp_init(vport, ndlp, nportid);
ndlp = lpfc_findnode_did(vport, nportid);
if (!ndlp) {
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
return 1;
lpfc_nlp_init(vport, ndlp, nportid);
lpfc_enqueue_node(vport, ndlp);
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
if (!ndlp)
return 1;
}
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_SCR);
@ -1623,11 +1659,19 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
psli = &phba->sli;
pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */
cmdsize = (sizeof(uint32_t) + sizeof(FARP));
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
return 1;
lpfc_nlp_init(vport, ndlp, nportid);
ndlp = lpfc_findnode_did(vport, nportid);
if (!ndlp) {
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
return 1;
lpfc_nlp_init(vport, ndlp, nportid);
lpfc_enqueue_node(vport, ndlp);
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
if (!ndlp)
return 1;
}
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_RNID);
@ -1657,7 +1701,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name));
memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name));
ondlp = lpfc_findnode_did(vport, nportid);
if (ondlp) {
if (ondlp && NLP_CHK_NODE_ACT(ondlp)) {
memcpy(&fp->OportName, &ondlp->nlp_portname,
sizeof(struct lpfc_name));
memcpy(&fp->OnodeName, &ondlp->nlp_nodename,
@ -1690,6 +1734,7 @@ void
lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_work_evt *evtp;
spin_lock_irq(shost->host_lock);
nlp->nlp_flag &= ~NLP_DELAY_TMO;
@ -1697,8 +1742,12 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
del_timer_sync(&nlp->nlp_delayfunc);
nlp->nlp_last_elscmd = 0;
if (!list_empty(&nlp->els_retry_evt.evt_listp))
if (!list_empty(&nlp->els_retry_evt.evt_listp)) {
list_del_init(&nlp->els_retry_evt.evt_listp);
/* Decrement nlp reference count held for the delayed retry */
evtp = &nlp->els_retry_evt;
lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1);
}
if (nlp->nlp_flag & NLP_NPR_2B_DISC) {
spin_lock_irq(shost->host_lock);
@ -1842,13 +1891,14 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
cmd = *elscmd++;
}
if (ndlp)
if (ndlp && NLP_CHK_NODE_ACT(ndlp))
did = ndlp->nlp_DID;
else {
/* We should only hit this case for retrying PLOGI */
did = irsp->un.elsreq64.remoteID;
ndlp = lpfc_findnode_did(vport, did);
if (!ndlp && (cmd != ELS_CMD_PLOGI))
if ((!ndlp || !NLP_CHK_NODE_ACT(ndlp))
&& (cmd != ELS_CMD_PLOGI))
return 1;
}
@ -1870,18 +1920,15 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
case IOERR_ILLEGAL_COMMAND:
if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) &&
(cmd == ELS_CMD_FDISC)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0124 FDISC failed (3/6) "
"retrying...\n");
lpfc_mbx_unreg_vpi(vport);
retry = 1;
/* FDISC retry policy */
maxretry = 48;
if (cmdiocb->retry >= 32)
delay = 1000;
}
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0124 Retry illegal cmd x%x "
"retry:x%x delay:x%x\n",
cmd, cmdiocb->retry, delay);
retry = 1;
/* All command's retry policy */
maxretry = 8;
if (cmdiocb->retry > 2)
delay = 1000;
break;
case IOERR_NO_RESOURCES:
@ -1967,6 +2014,17 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
case LSRJT_LOGICAL_ERR:
/* There are some cases where switches return this
* error when they are not ready and should be returning
* Logical Busy. We should delay every time.
*/
if (cmd == ELS_CMD_FDISC &&
stat.un.b.lsRjtRsnCodeExp == LSEXP_PORT_LOGIN_REQ) {
maxretry = 3;
delay = 1000;
retry = 1;
break;
}
case LSRJT_PROTOCOL_ERR:
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
(cmd == ELS_CMD_FDISC) &&
@ -1996,7 +2054,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
retry = 1;
if ((cmd == ELS_CMD_FLOGI) &&
(phba->fc_topology != TOPOLOGY_LOOP)) {
(phba->fc_topology != TOPOLOGY_LOOP) &&
!lpfc_error_lost_link(irsp)) {
/* FLOGI retry policy */
retry = 1;
maxretry = 48;
@ -2322,6 +2381,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if ((rspiocb->iocb.ulpStatus == 0)
&& (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
lpfc_unreg_rpi(vport, ndlp);
/* Increment reference count to ndlp to hold the
* reference to ndlp for the callback function.
*/
mbox->context2 = lpfc_nlp_get(ndlp);
mbox->vport = vport;
if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) {
@ -2335,9 +2397,13 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
NLP_STE_REG_LOGIN_ISSUE);
}
if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT)
!= MBX_NOT_FINISHED) {
!= MBX_NOT_FINISHED)
goto out;
}
else
/* Decrement the ndlp reference count we
* set for this failed mailbox command.
*/
lpfc_nlp_put(ndlp);
/* ELS rsp: Cannot issue reg_login for <NPortid> */
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
@ -2796,6 +2862,8 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport)
/* go thru NPR nodes and issue any remaining ELS ADISCs */
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_NPR_ADISC) != 0) {
@ -2833,6 +2901,8 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
/* go thru NPR nodes and issue any remaining ELS PLOGIs */
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
@ -2869,6 +2939,16 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
struct lpfc_hba *phba = vport->phba;
int i;
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
return;
}
/* Indicate we are walking lpfc_els_flush_rscn on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]);
vport->fc_rscn_id_list[i] = NULL;
@ -2878,6 +2958,8 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY);
spin_unlock_irq(shost->host_lock);
lpfc_can_disctmo(vport);
/* Indicate we are done walking this fc_rscn_id_list */
vport->fc_rscn_flush = 0;
}
int
@ -2887,6 +2969,7 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
D_ID rscn_did;
uint32_t *lp;
uint32_t payload_len, i;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
ns_did.un.word = did;
@ -2898,6 +2981,15 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
if (vport->fc_flag & FC_RSCN_DISCOVERY)
return did;
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
return 0;
}
/* Indicate we are walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
for (i = 0; i < vport->fc_rscn_id_cnt; i++) {
lp = vport->fc_rscn_id_list[i]->virt;
payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK);
@ -2908,16 +3000,16 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
switch (rscn_did.un.b.resv) {
case 0: /* Single N_Port ID effected */
if (ns_did.un.word == rscn_did.un.word)
return did;
goto return_did_out;
break;
case 1: /* Whole N_Port Area effected */
if ((ns_did.un.b.domain == rscn_did.un.b.domain)
&& (ns_did.un.b.area == rscn_did.un.b.area))
return did;
goto return_did_out;
break;
case 2: /* Whole N_Port Domain effected */
if (ns_did.un.b.domain == rscn_did.un.b.domain)
return did;
goto return_did_out;
break;
default:
/* Unknown Identifier in RSCN node */
@ -2926,11 +3018,17 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
"RSCN payload Data: x%x\n",
rscn_did.un.word);
case 3: /* Whole Fabric effected */
return did;
goto return_did_out;
}
}
}
/* Indicate we are done with walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
return 0;
return_did_out:
/* Indicate we are done with walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
return did;
}
static int
@ -2943,7 +3041,8 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
*/
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE ||
if (!NLP_CHK_NODE_ACT(ndlp) ||
ndlp->nlp_state == NLP_STE_UNUSED_NODE ||
lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0)
continue;
@ -2971,7 +3070,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
uint32_t *lp, *datap;
IOCB_t *icmd;
uint32_t payload_len, length, nportid, *cmd;
int rscn_cnt = vport->fc_rscn_id_cnt;
int rscn_cnt;
int rscn_id = 0, hba_id = 0;
int i;
@ -2984,7 +3083,8 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
/* RSCN received */
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0214 RSCN received Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len, *lp, rscn_cnt);
vport->fc_flag, payload_len, *lp,
vport->fc_rscn_id_cnt);
for (i = 0; i < payload_len/sizeof(uint32_t); i++)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_RSCN, lp[i]);
@ -3022,7 +3122,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
"0214 Ignore RSCN "
"Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len,
*lp, rscn_cnt);
*lp, vport->fc_rscn_id_cnt);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV RSCN vport: did:x%x/ste:x%x flg:x%x",
ndlp->nlp_DID, vport->port_state,
@ -3034,6 +3134,18 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
}
}
spin_lock_irq(shost->host_lock);
if (vport->fc_rscn_flush) {
/* Another thread is walking fc_rscn_id_list on this vport */
spin_unlock_irq(shost->host_lock);
vport->fc_flag |= FC_RSCN_DISCOVERY;
return 0;
}
/* Indicate we are walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 1;
spin_unlock_irq(shost->host_lock);
/* Get the array count after sucessfully have the token */
rscn_cnt = vport->fc_rscn_id_cnt;
/* If we are already processing an RSCN, save the received
* RSCN payload buffer, cmdiocb->context2 to process later.
*/
@ -3055,7 +3167,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
if ((rscn_cnt) &&
(payload_len + length <= LPFC_BPL_SIZE)) {
*cmd &= ELS_CMD_MASK;
*cmd |= be32_to_cpu(payload_len + length);
*cmd |= cpu_to_be32(payload_len + length);
memcpy(((uint8_t *)cmd) + length, lp,
payload_len);
} else {
@ -3066,7 +3178,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
*/
cmdiocb->context2 = NULL;
}
/* Deferred RSCN */
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0235 Deferred RSCN "
@ -3083,9 +3194,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
vport->fc_rscn_id_cnt, vport->fc_flag,
vport->port_state);
}
/* Indicate we are done walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
/* send RECOVERY event for ALL nodes that match RSCN payload */
lpfc_rscn_recovery_check(vport);
spin_lock_irq(shost->host_lock);
@ -3093,7 +3205,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
spin_unlock_irq(shost->host_lock);
return 0;
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV RSCN: did:x%x/ste:x%x flg:x%x",
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,
vport->fc_flag |= FC_RSCN_MODE;
spin_unlock_irq(shost->host_lock);
vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd;
/* Indicate we are done walking fc_rscn_id_list on this vport */
vport->fc_rscn_flush = 0;
/*
* If we zero, cmdiocb->context2, the calling routine will
* not try to free it.
*/
cmdiocb->context2 = NULL;
lpfc_set_disctmo(vport);
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
/* send RECOVERY event for ALL nodes that match RSCN payload */
lpfc_rscn_recovery_check(vport);
return lpfc_els_handle_rscn(vport);
}
@ -3145,7 +3254,8 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
vport->num_disc_nodes = 0;
ndlp = lpfc_findnode_did(vport, NameServer_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp)
&& ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
/* Good ndlp, issue CT Request to NameServer */
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
/* Wait for NameServer query cmpl before we can
@ -3155,25 +3265,35 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
/* If login to NameServer does not exist, issue one */
/* Good status, issue PLOGI to NameServer */
ndlp = lpfc_findnode_did(vport, NameServer_DID);
if (ndlp)
if (ndlp && NLP_CHK_NODE_ACT(ndlp))
/* Wait for NameServer login cmpl before we can
continue */
return 1;
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp) {
lpfc_els_flush_rscn(vport);
return 0;
if (ndlp) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_PLOGI_ISSUE);
if (!ndlp) {
lpfc_els_flush_rscn(vport);
return 0;
}
ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE;
} else {
ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp) {
lpfc_els_flush_rscn(vport);
return 0;
}
lpfc_nlp_init(vport, ndlp, NameServer_DID);
ndlp->nlp_type |= NLP_FABRIC;
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
lpfc_issue_els_plogi(vport, NameServer_DID, 0);
/* Wait for NameServer login cmpl before we can
continue */
return 1;
}
ndlp->nlp_type |= NLP_FABRIC;
lpfc_issue_els_plogi(vport, NameServer_DID, 0);
/* Wait for NameServer login cmpl before we can
* continue
*/
return 1;
}
lpfc_els_flush_rscn(vport);
@ -3672,6 +3792,8 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
list_for_each_entry_safe(ndlp, next_ndlp,
&vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
@ -3697,6 +3819,8 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
*/
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
@ -3936,7 +4060,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint32_t cmd, did, newnode, rjt_err = 0;
IOCB_t *icmd = &elsiocb->iocb;
if (vport == NULL || elsiocb->context2 == NULL)
if (!vport || !(elsiocb->context2))
goto dropit;
newnode = 0;
@ -3971,14 +4095,20 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
lpfc_nlp_init(vport, ndlp, did);
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
newnode = 1;
if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) {
if ((did & Fabric_DID_MASK) == Fabric_DID_MASK)
ndlp->nlp_type |= NLP_FABRIC;
} else {
if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if (!ndlp)
goto dropit;
}
}
else {
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) {
/* This is simular to the new node path */
lpfc_nlp_get(ndlp);
ndlp = lpfc_nlp_get(ndlp);
if (!ndlp)
goto dropit;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
newnode = 1;
}
@ -3987,6 +4117,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
phba->fc_stat.elsRcvFrame++;
if (elsiocb->context1)
lpfc_nlp_put(elsiocb->context1);
elsiocb->context1 = lpfc_nlp_get(ndlp);
elsiocb->vport = vport;
@ -4007,8 +4138,15 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
break;
if (!(phba->pport->fc_flag & FC_PT2PT) ||
(phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
rjt_err = LSRJT_UNABLE_TPC;
break;
}
/* We get here, and drop thru, if we are PT2PT with
* another NPort and the other side has initiated
* the PLOGI before responding to our FLOGI.
*/
}
shost = lpfc_shost_from_vport(vport);
@ -4251,15 +4389,15 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
vport = lpfc_find_vport_by_vpid(phba, vpi);
}
}
/* If there are no BDEs associated
* with this IOCB, there is nothing to do.
*/
/* If there are no BDEs associated
* with this IOCB, there is nothing to do.
*/
if (icmd->ulpBdeCount == 0)
return;
/* type of ELS cmd is first 32bit word
* in packet
*/
/* type of ELS cmd is first 32bit word
* in packet
*/
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
elsiocb->context2 = bdeBuf1;
} else {
@ -4314,6 +4452,18 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
}
lpfc_nlp_init(vport, ndlp, NameServer_DID);
ndlp->nlp_type |= NLP_FABRIC;
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
if (!ndlp) {
if (phba->fc_topology == TOPOLOGY_LOOP) {
lpfc_disc_start(vport);
return;
}
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0348 NameServer login: node freed\n");
return;
}
}
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)
switch (mb->mbxStatus) {
case 0x11: /* unsupported feature */
case 0x9603: /* max_vpi exceeded */
case 0x9602: /* Link event since CLEAR_LA */
/* giving up on vport registration */
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
spin_lock_irq(shost->host_lock);
@ -4373,7 +4524,10 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
lpfc_initial_fdisc(vport);
if (vport->port_type == LPFC_PHYSICAL_PORT)
lpfc_initial_flogi(vport);
else
lpfc_initial_fdisc(vport);
break;
}
@ -4471,7 +4625,6 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->ulpStatus, irsp->un.ulpWord[4]);
if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
lpfc_nlp_put(ndlp);
/* giving up on FDISC. Cancel discovery timer */
lpfc_can_disctmo(vport);
@ -4492,8 +4645,9 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
*/
list_for_each_entry_safe(np, next_np,
&vport->fc_nodes, nlp_listp) {
if (np->nlp_state != NLP_STE_NPR_NODE
|| !(np->nlp_flag & NLP_NPR_ADISC))
if (!NLP_CHK_NODE_ACT(ndlp) ||
(np->nlp_state != NLP_STE_NPR_NODE) ||
!(np->nlp_flag & NLP_NPR_ADISC))
continue;
spin_lock_irq(shost->host_lock);
np->nlp_flag &= ~NLP_NPR_ADISC;
@ -4599,6 +4753,8 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
{
struct lpfc_vport *vport = cmdiocb->vport;
IOCB_t *irsp;
struct lpfc_nodelist *ndlp;
ndlp = (struct lpfc_nodelist *)cmdiocb->context1;
irsp = &rspiocb->iocb;
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,
lpfc_els_free_iocb(phba, cmdiocb);
vport->unreg_vpi_cmpl = VPORT_ERROR;
/* Trigger the release of the ndlp after logo */
lpfc_nlp_put(ndlp);
}
int
@ -4686,11 +4845,12 @@ lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
repeat:
iocb = NULL;
spin_lock_irqsave(&phba->hbalock, iflags);
/* Post any pending iocb to the SLI layer */
/* Post any pending iocb to the SLI layer */
if (atomic_read(&phba->fabric_iocb_count) == 0) {
list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb),
list);
if (iocb)
/* Increment fabric iocb count to hold the position */
atomic_inc(&phba->fabric_iocb_count);
}
spin_unlock_irqrestore(&phba->hbalock, iflags);
@ -4737,9 +4897,7 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
int blocked;
blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
/* Start a timer to unblock fabric
* iocbs after 100ms
*/
/* Start a timer to unblock fabric iocbs after 100ms */
if (!blocked)
mod_timer(&phba->fabric_block_timer, jiffies + HZ/10 );
@ -4787,8 +4945,8 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
atomic_dec(&phba->fabric_iocb_count);
if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) {
/* Post any pending iocbs to HBA */
lpfc_resume_fabric_iocbs(phba);
/* Post any pending iocbs to HBA */
lpfc_resume_fabric_iocbs(phba);
}
}
@ -4807,6 +4965,9 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
ready = atomic_read(&phba->fabric_iocb_count) == 0 &&
!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
if (ready)
/* Increment fabric iocb count to hold the position */
atomic_inc(&phba->fabric_iocb_count);
spin_unlock_irqrestore(&phba->hbalock, iflags);
if (ready) {
iocb->fabric_iocb_cmpl = iocb->iocb_cmpl;
@ -4817,7 +4978,6 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
"Fabric sched2: ste:x%x",
iocb->vport->port_state, 0, 0);
atomic_inc(&phba->fabric_iocb_count);
ret = lpfc_sli_issue_iocb(phba, pring, iocb, 0);
if (ret == IOCB_ERROR) {

328
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -272,9 +272,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
if (!(vport->load_flag & FC_UNLOADING) &&
!(ndlp->nlp_flag & NLP_DELAY_TMO) &&
!(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
(ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) {
(ndlp->nlp_state != NLP_STE_UNMAPPED_NODE))
lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
}
}
@ -566,9 +565,10 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
int rc;
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
((vport->port_type == LPFC_NPIV_PORT) &&
(ndlp->nlp_DID == NameServer_DID)))
@ -629,9 +629,8 @@ lpfc_linkdown(struct lpfc_hba *phba)
LPFC_MBOXQ_t *mb;
int i;
if (phba->link_state == LPFC_LINK_DOWN) {
if (phba->link_state == LPFC_LINK_DOWN)
return 0;
}
spin_lock_irq(&phba->hbalock);
if (phba->link_state > LPFC_LINK_DOWN) {
phba->link_state = LPFC_LINK_DOWN;
@ -684,20 +683,21 @@ lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport)
struct lpfc_nodelist *ndlp;
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
/* On Linkup its safe to clean up the ndlp
* from Fabric connections.
*/
/* On Linkup its safe to clean up the ndlp
* from Fabric connections.
*/
if (ndlp->nlp_DID != Fabric_DID)
lpfc_unreg_rpi(vport, ndlp);
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
} else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
/* Fail outstanding IO now since device is
* marked for PLOGI.
*/
/* Fail outstanding IO now since device is
* marked for PLOGI.
*/
lpfc_unreg_rpi(vport, ndlp);
}
}
@ -799,21 +799,9 @@ lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
writel(control, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
spin_unlock_irq(&phba->hbalock);
mempool_free(pmb, phba->mbox_mem_pool);
return;
vport->num_disc_nodes = 0;
/* go thru NPR nodes and issue ELS PLOGIs */
if (vport->fc_npr_cnt)
lpfc_els_disc_plogi(vport);
if (!vport->num_disc_nodes) {
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~FC_NDISC_ACTIVE;
spin_unlock_irq(shost->host_lock);
}
vport->port_state = LPFC_VPORT_READY;
out:
/* Device Discovery completes */
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)
if (la->attType == AT_LINK_UP) {
phba->fc_stat.LinkUp++;
if (phba->link_flag & LS_LOOPBACK_MODE) {
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
"1306 Link Up Event in loop back mode "
"x%x received Data: x%x x%x x%x x%x\n",
la->eventTag, phba->fc_eventTag,
@ -1150,11 +1138,21 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
lpfc_mbx_process_link_up(phba, la);
} else {
phba->fc_stat.LinkDown++;
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
if (phba->link_flag & LS_LOOPBACK_MODE) {
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
"1308 Link Down Event in loop back mode "
"x%x received "
"Data: x%x x%x x%x\n",
la->eventTag, phba->fc_eventTag,
phba->pport->port_state, vport->fc_flag);
}
else {
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
"1305 Link Down Event x%x received "
"Data: x%x x%x x%x\n",
la->eventTag, phba->fc_eventTag,
phba->pport->port_state, vport->fc_flag);
}
lpfc_mbx_issue_link_down(phba);
}
@ -1305,7 +1303,6 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
mempool_free(pmb, phba->mbox_mem_pool);
lpfc_nlp_put(ndlp);
if (phba->fc_topology == TOPOLOGY_LOOP) {
/* 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)
/* Start discovery */
lpfc_disc_start(vport);
/* Decrement the reference count to ndlp after the
* reference to the ndlp are done.
*/
lpfc_nlp_put(ndlp);
return;
}
@ -1320,6 +1321,10 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
"0258 Register Fabric login error: 0x%x\n",
mb->mbxStatus);
/* Decrement the reference count to ndlp after the reference
* to the ndlp are done.
*/
lpfc_nlp_put(ndlp);
return;
}
@ -1327,8 +1332,6 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
ndlp->nlp_type |= NLP_FABRIC;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */
if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
@ -1356,6 +1359,11 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
mempool_free(pmb, phba->mbox_mem_pool);
/* Drop the reference count from the mbox at the end after
* all the current reference to the ndlp have been done.
*/
lpfc_nlp_put(ndlp);
return;
}
@ -1463,9 +1471,8 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* registered the port.
*/
if (ndlp->rport && ndlp->rport->dd_data &&
((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) {
((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp)
lpfc_nlp_put(ndlp);
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
"rport add: did:x%x flg:x%x type x%x",
@ -1659,6 +1666,18 @@ lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_nlp_state_cleanup(vport, ndlp, old_state, state);
}
void
lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
if (list_empty(&ndlp->nlp_listp)) {
spin_lock_irq(shost->host_lock);
list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
spin_unlock_irq(shost->host_lock);
}
}
void
lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
@ -1672,7 +1691,80 @@ lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
list_del_init(&ndlp->nlp_listp);
spin_unlock_irq(shost->host_lock);
lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
NLP_STE_UNUSED_NODE);
NLP_STE_UNUSED_NODE);
}
void
lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0)
lpfc_cancel_retry_delay_tmo(vport, ndlp);
if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
NLP_STE_UNUSED_NODE);
}
struct lpfc_nodelist *
lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
int state)
{
struct lpfc_hba *phba = vport->phba;
uint32_t did;
unsigned long flags;
if (!ndlp)
return NULL;
spin_lock_irqsave(&phba->ndlp_lock, flags);
/* The ndlp should not be in memory free mode */
if (NLP_CHK_FREE_REQ(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
"0277 lpfc_enable_node: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
return NULL;
}
/* The ndlp should not already be in active mode */
if (NLP_CHK_NODE_ACT(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
"0278 lpfc_enable_node: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
return NULL;
}
/* Keep the original DID */
did = ndlp->nlp_DID;
/* re-initialize ndlp except of ndlp linked list pointer */
memset((((char *)ndlp) + sizeof (struct list_head)), 0,
sizeof (struct lpfc_nodelist) - sizeof (struct list_head));
INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
init_timer(&ndlp->nlp_delayfunc);
ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
ndlp->nlp_DID = did;
ndlp->vport = vport;
ndlp->nlp_sid = NLP_NO_SID;
/* ndlp management re-initialize */
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
if (state != NLP_STE_UNUSED_NODE)
lpfc_nlp_set_state(vport, ndlp, state);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
"node enable: did:x%x",
ndlp->nlp_DID, 0, 0);
return ndlp;
}
void
@ -1972,7 +2064,21 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
"Data: x%x x%x x%x\n",
ndlp->nlp_DID, ndlp->nlp_flag,
ndlp->nlp_state, ndlp->nlp_rpi);
lpfc_dequeue_node(vport, ndlp);
if (NLP_CHK_FREE_REQ(ndlp)) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
"0280 lpfc_cleanup_node: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
lpfc_dequeue_node(vport, ndlp);
} else {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
"0281 lpfc_cleanup_node: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
lpfc_disable_node(vport, ndlp);
}
/* cleanup any ndlp on mbox q waiting for reglogin cmpl */
if ((mb = phba->sli.mbox_active)) {
@ -1994,12 +2100,16 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
}
list_del(&mb->list);
mempool_free(mb, phba->mbox_mem_pool);
lpfc_nlp_put(ndlp);
/* We shall not invoke the lpfc_nlp_put to decrement
* the ndlp reference count as we are in the process
* of lpfc_nlp_release.
*/
}
}
spin_unlock_irq(&phba->hbalock);
lpfc_els_abort(phba,ndlp);
lpfc_els_abort(phba, ndlp);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_DELAY_TMO;
spin_unlock_irq(shost->host_lock);
@ -2057,7 +2167,6 @@ lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
}
}
}
lpfc_cleanup_node(vport, ndlp);
/*
@ -2182,7 +2291,16 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
spin_unlock_irq(shost->host_lock);
return ndlp;
} else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE);
if (!ndlp)
return NULL;
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
spin_unlock_irq(shost->host_lock);
return ndlp;
}
if (vport->fc_flag & FC_RSCN_MODE) {
if (lpfc_rscn_payload_check(vport, did)) {
/* If we've already recieved a PLOGI from this NPort
@ -2363,6 +2481,7 @@ lpfc_disc_start(struct lpfc_vport *vport)
* continue discovery.
*/
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
!(vport->fc_flag & FC_PT2PT) &&
!(vport->fc_flag & FC_RSCN_MODE)) {
lpfc_issue_reg_vpi(phba, vport);
return;
@ -2485,6 +2604,8 @@ lpfc_disc_flush_list(struct lpfc_vport *vport)
if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) {
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
ndlp->nlp_state == NLP_STE_ADISC_ISSUE) {
lpfc_free_tx(phba, ndlp);
@ -2572,6 +2693,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
/* Start discovery by sending FLOGI, clean up old rpis */
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state != NLP_STE_NPR_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
@ -2618,7 +2741,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
"NameServer login\n");
/* Next look for NameServer ndlp */
ndlp = lpfc_findnode_did(vport, NameServer_DID);
if (ndlp)
if (ndlp && NLP_CHK_NODE_ACT(ndlp))
lpfc_els_abort(phba, ndlp);
/* ReStart discovery */
@ -2897,6 +3020,7 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_sid = NLP_NO_SID;
INIT_LIST_HEAD(&ndlp->nlp_listp);
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
"node init: did:x%x",
@ -2911,6 +3035,8 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
static void
lpfc_nlp_release(struct kref *kref)
{
struct lpfc_hba *phba;
unsigned long flags;
struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist,
kref);
@ -2918,8 +3044,24 @@ lpfc_nlp_release(struct kref *kref)
"node release: did:x%x flg:x%x type:x%x",
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
"0279 lpfc_nlp_release: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
/* remove ndlp from action. */
lpfc_nlp_remove(ndlp->vport, ndlp);
mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
/* clear the ndlp active flag for all release cases */
phba = ndlp->vport->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
NLP_CLR_NODE_ACT(ndlp);
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
/* free ndlp memory for final ndlp release */
if (NLP_CHK_FREE_REQ(ndlp))
mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
}
/* This routine bumps the reference count for a ndlp structure to ensure
@ -2929,37 +3071,108 @@ lpfc_nlp_release(struct kref *kref)
struct lpfc_nodelist *
lpfc_nlp_get(struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba;
unsigned long flags;
if (ndlp) {
lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
"node get: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
kref_get(&ndlp->kref);
/* The check of ndlp usage to prevent incrementing the
* ndlp reference count that is in the process of being
* released.
*/
phba = ndlp->vport->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
"0276 lpfc_nlp_get: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
return NULL;
} else
kref_get(&ndlp->kref);
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
}
return ndlp;
}
/* This routine decrements the reference count for a ndlp structure. If the
* count goes to 0, this indicates the the associated nodelist should be freed.
* count goes to 0, this indicates the the associated nodelist should be
* freed. Returning 1 indicates the ndlp resource has been released; on the
* other hand, returning 0 indicates the ndlp resource has not been released
* yet.
*/
int
lpfc_nlp_put(struct lpfc_nodelist *ndlp)
{
if (ndlp) {
lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
"node put: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
struct lpfc_hba *phba;
unsigned long flags;
if (!ndlp)
return 1;
lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
"node put: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
phba = ndlp->vport->phba;
spin_lock_irqsave(&phba->ndlp_lock, flags);
/* Check the ndlp memory free acknowledge flag to avoid the
* possible race condition that kref_put got invoked again
* after previous one has done ndlp memory free.
*/
if (NLP_CHK_FREE_ACK(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
"0274 lpfc_nlp_put: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
return 1;
}
return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0;
/* Check the ndlp inactivate log flag to avoid the possible
* race condition that kref_put got invoked again after ndlp
* is already in inactivating state.
*/
if (NLP_CHK_IACT_REQ(ndlp)) {
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
"0275 lpfc_nlp_put: ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
(void *)ndlp, ndlp->nlp_usg_map,
atomic_read(&ndlp->kref.refcount));
return 1;
}
/* For last put, mark the ndlp usage flags to make sure no
* other kref_get and kref_put on the same ndlp shall get
* in between the process when the final kref_put has been
* invoked on this ndlp.
*/
if (atomic_read(&ndlp->kref.refcount) == 1) {
/* Indicate ndlp is put to inactive state. */
NLP_SET_IACT_REQ(ndlp);
/* Acknowledge ndlp memory free has been seen. */
if (NLP_CHK_FREE_REQ(ndlp))
NLP_SET_FREE_ACK(ndlp);
}
spin_unlock_irqrestore(&phba->ndlp_lock, flags);
/* Note, the kref_put returns 1 when decrementing a reference
* count that was 1, it invokes the release callback function,
* but it still left the reference count as 1 (not actually
* performs the last decrementation). Otherwise, it actually
* decrements the reference count and returns 0.
*/
return kref_put(&ndlp->kref, lpfc_nlp_release);
}
/* This routine free's the specified nodelist if it is not in use
* by any other discovery thread. This routine returns 1 if the ndlp
* is not being used by anyone and has been freed. A return value of
* 0 indicates it is being used by another discovery thread and the
* refcount is left unchanged.
* by any other discovery thread. This routine returns 1 if the
* ndlp has been freed. A return value of 0 indicates the ndlp is
* not yet been released.
*/
int
lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
@ -2968,11 +3181,8 @@ lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
"node not used: did:x%x flg:x%x refcnt:x%x",
ndlp->nlp_DID, ndlp->nlp_flag,
atomic_read(&ndlp->kref.refcount));
if (atomic_read(&ndlp->kref.refcount) == 1) {
lpfc_nlp_put(ndlp);
return 1;
}
if (atomic_read(&ndlp->kref.refcount) == 1)
if (lpfc_nlp_put(ndlp))
return 1;
return 0;
}

18
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -581,6 +581,7 @@ struct ls_rjt { /* Structure is in Big Endian format */
#define LSEXP_INVALID_O_SID 0x15
#define LSEXP_INVALID_OX_RX 0x17
#define LSEXP_CMD_IN_PROGRESS 0x19
#define LSEXP_PORT_LOGIN_REQ 0x1E
#define LSEXP_INVALID_NPORT_ID 0x1F
#define LSEXP_INVALID_SEQ_ID 0x21
#define LSEXP_INVALID_XCHG 0x23
@ -1376,11 +1377,26 @@ typedef struct { /* FireFly BIU registers */
#define CMD_QUE_XRI64_CX 0xB3
#define CMD_IOCB_RCV_SEQ64_CX 0xB5
#define CMD_IOCB_RCV_ELS64_CX 0xB7
#define CMD_IOCB_RET_XRI64_CX 0xB9
#define CMD_IOCB_RCV_CONT64_CX 0xBB
#define CMD_GEN_REQUEST64_CR 0xC2
#define CMD_GEN_REQUEST64_CX 0xC3
/* Unhandled SLI-3 Commands */
#define CMD_IOCB_XMIT_MSEQ64_CR 0xB0
#define CMD_IOCB_XMIT_MSEQ64_CX 0xB1
#define CMD_IOCB_RCV_SEQ_LIST64_CX 0xC1
#define CMD_IOCB_RCV_ELS_LIST64_CX 0xCD
#define CMD_IOCB_CLOSE_EXTENDED_CN 0xB6
#define CMD_IOCB_ABORT_EXTENDED_CN 0xBA
#define CMD_IOCB_RET_HBQE64_CN 0xCA
#define CMD_IOCB_FCP_IBIDIR64_CR 0xAC
#define CMD_IOCB_FCP_IBIDIR64_CX 0xAD
#define CMD_IOCB_FCP_ITASKMGT64_CX 0xAF
#define CMD_IOCB_LOGENTRY_CN 0x94
#define CMD_IOCB_LOGENTRY_ASYNC_CN 0x96
#define CMD_MAX_IOCB_CMD 0xE6
#define CMD_IOCB_MASK 0xff

154
drivers/scsi/lpfc/lpfc_init.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -461,11 +461,21 @@ lpfc_config_port_post(struct lpfc_hba *phba)
int
lpfc_hba_down_prep(struct lpfc_hba *phba)
{
struct lpfc_vport **vports;
int i;
/* Disable interrupts */
writel(0, phba->HCregaddr);
readl(phba->HCregaddr); /* flush */
lpfc_cleanup_discovery_resources(phba->pport);
if (phba->pport->load_flag & FC_UNLOADING)
lpfc_cleanup_discovery_resources(phba->pport);
else {
vports = lpfc_create_vport_work_array(phba);
if (vports != NULL)
for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++)
lpfc_cleanup_discovery_resources(vports[i]);
lpfc_destroy_vport_work_array(phba, vports);
}
return 0;
}
@ -1422,9 +1432,32 @@ lpfc_cleanup(struct lpfc_vport *vport)
lpfc_port_link_failure(vport);
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if (!ndlp)
continue;
spin_lock_irq(&phba->ndlp_lock);
NLP_SET_FREE_REQ(ndlp);
spin_unlock_irq(&phba->ndlp_lock);
/* Trigger the release of the ndlp memory */
lpfc_nlp_put(ndlp);
continue;
}
spin_lock_irq(&phba->ndlp_lock);
if (NLP_CHK_FREE_REQ(ndlp)) {
/* The ndlp should not be in memory free mode already */
spin_unlock_irq(&phba->ndlp_lock);
continue;
} else
/* Indicate request for freeing ndlp memory */
NLP_SET_FREE_REQ(ndlp);
spin_unlock_irq(&phba->ndlp_lock);
if (ndlp->nlp_type & NLP_FABRIC)
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RECOVERY);
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RM);
}
@ -1438,6 +1471,17 @@ lpfc_cleanup(struct lpfc_vport *vport)
if (i++ > 3000) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"0233 Nodelist not empty\n");
list_for_each_entry_safe(ndlp, next_ndlp,
&vport->fc_nodes, nlp_listp) {
lpfc_printf_vlog(ndlp->vport, KERN_ERR,
LOG_NODE,
"0282: did:x%x ndlp:x%p "
"usgmap:x%x refcnt:%d\n",
ndlp->nlp_DID, (void *)ndlp,
ndlp->nlp_usg_map,
atomic_read(
&ndlp->kref.refcount));
}
break;
}
@ -1586,6 +1630,8 @@ lpfc_offline_prep(struct lpfc_hba * phba)
list_for_each_entry_safe(ndlp, next_ndlp,
&vports[i]->fc_nodes,
nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
if (ndlp->nlp_type & NLP_FABRIC) {
@ -1695,9 +1741,9 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
vport = (struct lpfc_vport *) shost->hostdata;
vport->phba = phba;
vport->load_flag |= FC_LOADING;
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
vport->fc_rscn_flush = 0;
lpfc_get_vport_cfgparam(vport);
shost->unique_id = instance;
@ -1879,6 +1925,42 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
spin_unlock_irq(shost->host_lock);
}
static int
lpfc_enable_msix(struct lpfc_hba *phba)
{
int error;
phba->msix_entries[0].entry = 0;
phba->msix_entries[0].vector = 0;
error = pci_enable_msix(phba->pcidev, phba->msix_entries,
ARRAY_SIZE(phba->msix_entries));
if (error) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0420 Enable MSI-X failed (%d), continuing "
"with MSI\n", error);
pci_disable_msix(phba->pcidev);
return error;
}
error = request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
LPFC_DRIVER_NAME, phba);
if (error) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0421 MSI-X request_irq failed (%d), "
"continuing with MSI\n", error);
pci_disable_msix(phba->pcidev);
}
return error;
}
static void
lpfc_disable_msix(struct lpfc_hba *phba)
{
free_irq(phba->msix_entries[0].vector, phba);
pci_disable_msix(phba->pcidev);
}
static int __devinit
lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
{
@ -1905,6 +1987,9 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
spin_lock_init(&phba->hbalock);
/* Initialize ndlp management spinlock */
spin_lock_init(&phba->ndlp_lock);
phba->pcidev = pdev;
/* Assign an unused board number */
@ -2002,6 +2087,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
memset(phba->hbqslimp.virt, 0, lpfc_sli_hbq_size());
INIT_LIST_HEAD(&phba->hbqbuf_in_list);
/* Initialize the SLI Layer to run with lpfc HBAs. */
lpfc_sli_setup(phba);
lpfc_sli_queue_setup(phba);
@ -2077,24 +2164,36 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
lpfc_debugfs_initialize(vport);
pci_set_drvdata(pdev, shost);
phba->intr_type = NONE;
if (phba->cfg_use_msi) {
if (phba->cfg_use_msi == 2) {
error = lpfc_enable_msix(phba);
if (!error)
phba->intr_type = MSIX;
}
/* Fallback to MSI if MSI-X initialization failed */
if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
retval = pci_enable_msi(phba->pcidev);
if (!retval)
phba->using_msi = 1;
phba->intr_type = MSI;
else
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0452 Enable MSI failed, continuing "
"with IRQ\n");
}
retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
LPFC_DRIVER_NAME, phba);
if (retval) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"0451 Enable interrupt handler failed\n");
error = retval;
goto out_disable_msi;
/* MSI-X is the only case the doesn't need to call request_irq */
if (phba->intr_type != MSIX) {
retval = request_irq(phba->pcidev->irq, lpfc_intr_handler,
IRQF_SHARED, LPFC_DRIVER_NAME, phba);
if (retval) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable "
"interrupt handler failed\n");
error = retval;
goto out_disable_msi;
} else if (phba->intr_type != MSI)
phba->intr_type = INTx;
}
phba->MBslimaddr = phba->slim_memmap_p;
@ -2139,9 +2238,14 @@ out_remove_device:
out_free_irq:
lpfc_stop_phba_timers(phba);
phba->pport->work_port_events = 0;
free_irq(phba->pcidev->irq, phba);
if (phba->intr_type == MSIX)
lpfc_disable_msix(phba);
else
free_irq(phba->pcidev->irq, phba);
out_disable_msi:
if (phba->using_msi)
if (phba->intr_type == MSI)
pci_disable_msi(phba->pcidev);
destroy_port(vport);
out_kthread_stop:
@ -2214,10 +2318,13 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
lpfc_debugfs_terminate(vport);
/* Release the irq reservation */
free_irq(phba->pcidev->irq, phba);
if (phba->using_msi)
pci_disable_msi(phba->pcidev);
if (phba->intr_type == MSIX)
lpfc_disable_msix(phba);
else {
free_irq(phba->pcidev->irq, phba);
if (phba->intr_type == MSI)
pci_disable_msi(phba->pcidev);
}
pci_set_drvdata(pdev, NULL);
scsi_host_put(shost);
@ -2276,10 +2383,13 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
pring = &psli->ring[psli->fcp_ring];
lpfc_sli_abort_iocb_ring(phba, pring);
/* Release the irq reservation */
free_irq(phba->pcidev->irq, phba);
if (phba->using_msi)
pci_disable_msi(phba->pcidev);
if (phba->intr_type == MSIX)
lpfc_disable_msix(phba);
else {
free_irq(phba->pcidev->irq, phba);
if (phba->intr_type == MSI)
pci_disable_msi(phba->pcidev);
}
/* Request a slot reset. */
return PCI_ERS_RESULT_NEED_RESET;

10
drivers/scsi/lpfc/lpfc_logmsg.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2005 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -35,11 +35,15 @@
#define LOG_ALL_MSG 0xffff /* LOG all messages */
#define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
do { \
{ if (((mask) &(vport)->cfg_log_verbose) || (level[1] <= '3')) \
dev_printk(level, &((vport)->phba->pcidev)->dev, "%d:(%d):" \
fmt, (vport)->phba->brd_no, vport->vpi, ##arg); }
fmt, (vport)->phba->brd_no, vport->vpi, ##arg); } \
} while (0)
#define lpfc_printf_log(phba, level, mask, fmt, arg...) \
do { \
{ if (((mask) &(phba)->pport->cfg_log_verbose) || (level[1] <= '3')) \
dev_printk(level, &((phba)->pcidev)->dev, "%d:" \
fmt, phba->brd_no, ##arg); }
fmt, phba->brd_no, ##arg); } \
} while (0)

13
drivers/scsi/lpfc/lpfc_mem.c
View File

@ -264,19 +264,30 @@ void
lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
{
struct hbq_dmabuf *hbq_entry;
unsigned long flags;
if (!mp)
return;
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
/* Check whether HBQ is still in use */
spin_lock_irqsave(&phba->hbalock, flags);
if (!phba->hbq_in_use) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return;
}
hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
list_del(&hbq_entry->dbuf.list);
if (hbq_entry->tag == -1) {
(phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
(phba, hbq_entry);
} else {
lpfc_sli_free_hbq(phba, hbq_entry);
}
spin_unlock_irqrestore(&phba->hbalock, flags);
} else {
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
}
return;
}

55
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -249,6 +249,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
struct lpfc_dmabuf *pcmd;
struct lpfc_work_evt *evtp;
uint32_t *lp;
IOCB_t *icmd;
struct serv_parm *sp;
@ -435,8 +436,14 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
del_timer_sync(&ndlp->nlp_delayfunc);
ndlp->nlp_last_elscmd = 0;
if (!list_empty(&ndlp->els_retry_evt.evt_listp))
if (!list_empty(&ndlp->els_retry_evt.evt_listp)) {
list_del_init(&ndlp->els_retry_evt.evt_listp);
/* Decrement ndlp reference count held for the
* delayed retry
*/
evtp = &ndlp->els_retry_evt;
lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1);
}
if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
spin_lock_irq(shost->host_lock);
@ -638,13 +645,15 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
return 0;
}
/* Check config parameter use-adisc or FCP-2 */
if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_NPR_ADISC;
spin_unlock_irq(shost->host_lock);
return 1;
if (!(vport->fc_flag & FC_PT2PT)) {
/* Check config parameter use-adisc or FCP-2 */
if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_NPR_ADISC;
spin_unlock_irq(shost->host_lock);
return 1;
}
}
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
lpfc_unreg_rpi(vport, ndlp);
@ -656,7 +665,7 @@ lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"0253 Illegal State Transition: node x%x "
"0271 Illegal State Transition: node x%x "
"event x%x, state x%x Data: x%x x%x\n",
ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
ndlp->nlp_flag);
@ -674,7 +683,7 @@ lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
*/
if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"0253 Illegal State Transition: node x%x "
"0272 Illegal State Transition: node x%x "
"event x%x, state x%x Data: x%x x%x\n",
ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
ndlp->nlp_flag);
@ -2144,8 +2153,11 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint32_t cur_state, rc;
uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *,
uint32_t);
uint32_t got_ndlp = 0;
if (lpfc_nlp_get(ndlp))
got_ndlp = 1;
lpfc_nlp_get(ndlp);
cur_state = ndlp->nlp_state;
/* 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,
rc = (func) (vport, ndlp, arg, evt);
/* DSM out state <rc> on NPort <nlp_DID> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
if (got_ndlp) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0212 DSM out state %d on NPort x%x Data: x%x\n",
rc, ndlp->nlp_DID, ndlp->nlp_flag);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
"DSM out: ste:%d did:x%x flg:x%x",
rc, ndlp->nlp_DID, ndlp->nlp_flag);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
"DSM out: ste:%d did:x%x flg:x%x",
rc, ndlp->nlp_DID, ndlp->nlp_flag);
/* Decrement the ndlp reference count held for this function */
lpfc_nlp_put(ndlp);
} else {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0212 DSM out state %d on NPort free\n", rc);
lpfc_nlp_put(ndlp);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
"DSM out: ste:%d did:x%x flg:x%x",
rc, 0, 0);
}
return rc;
}

4
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -1283,6 +1283,8 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
match = 0;
spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
i == ndlp->nlp_sid &&
ndlp->rport) {

105
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2007 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -203,8 +203,25 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
case CMD_IOCB_RCV_SEQ64_CX:
case CMD_IOCB_RCV_ELS64_CX:
case CMD_IOCB_RCV_CONT64_CX:
case CMD_IOCB_RET_XRI64_CX:
type = LPFC_UNSOL_IOCB;
break;
case CMD_IOCB_XMIT_MSEQ64_CR:
case CMD_IOCB_XMIT_MSEQ64_CX:
case CMD_IOCB_RCV_SEQ_LIST64_CX:
case CMD_IOCB_RCV_ELS_LIST64_CX:
case CMD_IOCB_CLOSE_EXTENDED_CN:
case CMD_IOCB_ABORT_EXTENDED_CN:
case CMD_IOCB_RET_HBQE64_CN:
case CMD_IOCB_FCP_IBIDIR64_CR:
case CMD_IOCB_FCP_IBIDIR64_CX:
case CMD_IOCB_FCP_ITASKMGT64_CX:
case CMD_IOCB_LOGENTRY_CN:
case CMD_IOCB_LOGENTRY_ASYNC_CN:
printk("%s - Unhandled SLI-3 Command x%x\n",
__FUNCTION__, iocb_cmnd);
type = LPFC_UNKNOWN_IOCB;
break;
default:
type = LPFC_UNKNOWN_IOCB;
break;
@ -529,10 +546,13 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
{
struct lpfc_dmabuf *dmabuf, *next_dmabuf;
struct hbq_dmabuf *hbq_buf;
unsigned long flags;
int i, hbq_count;
uint32_t hbqno;
hbq_count = lpfc_sli_hbq_count();
/* Return all memory used by all HBQs */
spin_lock_irqsave(&phba->hbalock, flags);
for (i = 0; i < hbq_count; ++i) {
list_for_each_entry_safe(dmabuf, next_dmabuf,
&phba->hbqs[i].hbq_buffer_list, list) {
@ -542,6 +562,28 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
}
phba->hbqs[i].buffer_count = 0;
}
/* Return all HBQ buffer that are in-fly */
list_for_each_entry_safe(dmabuf, next_dmabuf,
&phba->hbqbuf_in_list, list) {
hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
list_del(&hbq_buf->dbuf.list);
if (hbq_buf->tag == -1) {
(phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
(phba, hbq_buf);
} else {
hbqno = hbq_buf->tag >> 16;
if (hbqno >= LPFC_MAX_HBQS)
(phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
(phba, hbq_buf);
else
(phba->hbqs[hbqno].hbq_free_buffer)(phba,
hbq_buf);
}
}
/* Mark the HBQs not in use */
phba->hbq_in_use = 0;
spin_unlock_irqrestore(&phba->hbalock, flags);
}
static struct lpfc_hbq_entry *
@ -603,6 +645,7 @@ static int
lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
{
uint32_t i, start, end;
unsigned long flags;
struct hbq_dmabuf *hbq_buffer;
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)
end = lpfc_hbq_defs[hbqno]->entry_count;
}
/* Check whether HBQ is still in use */
spin_lock_irqsave(&phba->hbalock, flags);
if (!phba->hbq_in_use) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return 0;
}
/* Populate HBQ entries */
for (i = start; i < end; i++) {
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)
else
(phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
}
spin_unlock_irqrestore(&phba->hbalock, flags);
return 0;
}
@ -910,16 +962,29 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
uint32_t hbqno;
void *virt; /* virtual address ptr */
dma_addr_t phys; /* mapped address */
unsigned long flags;
/* Check whether HBQ is still in use */
spin_lock_irqsave(&phba->hbalock, flags);
if (!phba->hbq_in_use) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return NULL;
}
hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
if (hbq_entry == NULL)
if (hbq_entry == NULL) {
spin_unlock_irqrestore(&phba->hbalock, flags);
return NULL;
}
list_del(&hbq_entry->dbuf.list);
hbqno = tag >> 16;
new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
if (new_hbq_entry == NULL)
if (new_hbq_entry == NULL) {
list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
spin_unlock_irqrestore(&phba->hbalock, flags);
return &hbq_entry->dbuf;
}
new_hbq_entry->tag = -1;
phys = new_hbq_entry->dbuf.phys;
virt = new_hbq_entry->dbuf.virt;
@ -928,6 +993,9 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
hbq_entry->dbuf.phys = phys;
hbq_entry->dbuf.virt = virt;
lpfc_sli_free_hbq(phba, hbq_entry);
list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
spin_unlock_irqrestore(&phba->hbalock, flags);
return &new_hbq_entry->dbuf;
}
@ -951,6 +1019,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint32_t Rctl, Type;
uint32_t match, i;
struct lpfc_iocbq *iocbq;
struct lpfc_dmabuf *dmzbuf;
match = 0;
irsp = &(saveq->iocb);
@ -972,6 +1041,29 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
return 1;
}
if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) &&
(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) {
if (irsp->ulpBdeCount > 0) {
dmzbuf = lpfc_sli_get_buff(phba, pring,
irsp->un.ulpWord[3]);
lpfc_in_buf_free(phba, dmzbuf);
}
if (irsp->ulpBdeCount > 1) {
dmzbuf = lpfc_sli_get_buff(phba, pring,
irsp->unsli3.sli3Words[3]);
lpfc_in_buf_free(phba, dmzbuf);
}
if (irsp->ulpBdeCount > 2) {
dmzbuf = lpfc_sli_get_buff(phba, pring,
irsp->unsli3.sli3Words[7]);
lpfc_in_buf_free(phba, dmzbuf);
}
return 1;
}
if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
if (irsp->ulpBdeCount != 0) {
saveq->context2 = lpfc_sli_get_buff(phba, pring,
@ -2293,6 +2385,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
/* Initialize the struct lpfc_sli_hbq structure for each hbq */
phba->link_state = LPFC_INIT_MBX_CMDS;
phba->hbq_in_use = 1;
hbq_entry_index = 0;
for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
@ -2404,9 +2497,7 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
(!pmb->mb.un.varCfgPort.cMA)) {
rc = -ENXIO;
goto do_prep_failed;
}
return rc;
do_prep_failed:
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)
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
/* Mbox command <mbxCommand> cannot issue */
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
return MBX_NOT_FINISHED;
}
if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
!(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag)
LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
return MBX_NOT_FINISHED;
}

2
drivers/scsi/lpfc/lpfc_version.h
View File

@ -18,7 +18,7 @@
* included with this package. *
*******************************************************************/
#define LPFC_DRIVER_VERSION "8.2.4"
#define LPFC_DRIVER_VERSION "8.2.5"
#define LPFC_DRIVER_NAME "lpfc"

70
drivers/scsi/lpfc/lpfc_vport.c
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2006 Emulex. All rights reserved. *
* Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -327,7 +327,8 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
* up and ready to FDISC.
*/
ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) {
lpfc_set_disctmo(vport);
lpfc_initial_fdisc(vport);
@ -358,7 +359,8 @@ disable_vport(struct fc_vport *fc_vport)
long timeout;
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (ndlp && phba->link_state >= LPFC_LINK_UP) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp)
&& phba->link_state >= LPFC_LINK_UP) {
vport->unreg_vpi_cmpl = VPORT_INVAL;
timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
if (!lpfc_issue_els_npiv_logo(vport, ndlp))
@ -372,6 +374,8 @@ disable_vport(struct fc_vport *fc_vport)
* calling lpfc_cleanup_rpis(vport, 1)
*/
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
continue;
lpfc_disc_state_machine(vport, ndlp, NULL,
@ -414,7 +418,8 @@ enable_vport(struct fc_vport *fc_vport)
* up and ready to FDISC.
*/
ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp)
&& ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) {
lpfc_set_disctmo(vport);
lpfc_initial_fdisc(vport);
@ -498,7 +503,41 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
scsi_remove_host(lpfc_shost_from_vport(vport));
ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
/* In case of driver unload, we shall not perform fabric logo as the
* worker thread already stopped at this stage and, in this case, we
* can safely skip the fabric logo.
*/
if (phba->pport->load_flag & FC_UNLOADING) {
if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
phba->link_state >= LPFC_LINK_UP) {
/* First look for the Fabric ndlp */
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp)
goto skip_logo;
else if (!NLP_CHK_NODE_ACT(ndlp)) {
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if (!ndlp)
goto skip_logo;
}
/* Remove ndlp from vport npld list */
lpfc_dequeue_node(vport, ndlp);
/* Indicate free memory when release */
spin_lock_irq(&phba->ndlp_lock);
NLP_SET_FREE_REQ(ndlp);
spin_unlock_irq(&phba->ndlp_lock);
/* Kick off release ndlp when it can be safely done */
lpfc_nlp_put(ndlp);
}
goto skip_logo;
}
/* Otherwise, we will perform fabric logo as needed */
if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
ndlp->nlp_state == NLP_STE_UNMAPPED_NODE &&
phba->link_state >= LPFC_LINK_UP) {
if (vport->cfg_enable_da_id) {
timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
@ -519,8 +558,27 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
if (!ndlp)
goto skip_logo;
lpfc_nlp_init(vport, ndlp, Fabric_DID);
/* Indicate free memory when release */
NLP_SET_FREE_REQ(ndlp);
} else {
if (!NLP_CHK_NODE_ACT(ndlp))
ndlp = lpfc_enable_node(vport, ndlp,
NLP_STE_UNUSED_NODE);
if (!ndlp)
goto skip_logo;
/* Remove ndlp from vport npld list */
lpfc_dequeue_node(vport, ndlp);
spin_lock_irq(&phba->ndlp_lock);
if (!NLP_CHK_FREE_REQ(ndlp))
/* Indicate free memory when release */
NLP_SET_FREE_REQ(ndlp);
else {
/* Skip this if ndlp is already in free mode */
spin_unlock_irq(&phba->ndlp_lock);
goto skip_logo;
}
spin_unlock_irq(&phba->ndlp_lock);
}
vport->unreg_vpi_cmpl = VPORT_INVAL;
timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
@ -534,9 +592,9 @@ skip_logo:
lpfc_sli_host_down(vport);
lpfc_stop_vport_timers(vport);
lpfc_unreg_all_rpis(vport);
if (!(phba->pport->load_flag & FC_UNLOADING)) {
lpfc_unreg_all_rpis(vport);
lpfc_unreg_default_rpis(vport);
/*
* Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi)

20
drivers/scsi/megaraid/megaraid_mm.c
View File

@ -59,7 +59,6 @@ EXPORT_SYMBOL(mraid_mm_register_adp);
EXPORT_SYMBOL(mraid_mm_unregister_adp);
EXPORT_SYMBOL(mraid_mm_adapter_app_handle);
static int majorno;
static uint32_t drvr_ver = 0x02200207;
static int adapters_count_g;
@ -76,6 +75,12 @@ static const struct file_operations lsi_fops = {
.owner = THIS_MODULE,
};
static struct miscdevice megaraid_mm_dev = {
.minor = MISC_DYNAMIC_MINOR,
.name = "megadev0",
.fops = &lsi_fops,
};
/**
* mraid_mm_open - open routine for char node interface
* @inode : unused
@ -1184,15 +1189,16 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp)
static int __init
mraid_mm_init(void)
{
int err;
// Announce the driver version
con_log(CL_ANN, (KERN_INFO "megaraid cmm: %s %s\n",
LSI_COMMON_MOD_VERSION, LSI_COMMON_MOD_EXT_VERSION));
majorno = register_chrdev(0, "megadev", &lsi_fops);
if (majorno < 0) {
con_log(CL_ANN, ("megaraid cmm: cannot get major\n"));
return majorno;
err = misc_register(&megaraid_mm_dev);
if (err < 0) {
con_log(CL_ANN, ("megaraid cmm: cannot register misc device\n"));
return err;
}
init_waitqueue_head(&wait_q);
@ -1230,7 +1236,7 @@ mraid_mm_exit(void)
{
con_log(CL_DLEVEL1 , ("exiting common mod\n"));
unregister_chrdev(majorno, "megadev");
misc_deregister(&megaraid_mm_dev);
}
module_init(mraid_mm_init);

1
drivers/scsi/megaraid/megaraid_mm.h
View File

@ -22,6 +22,7 @@
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/list.h>
#include <linux/miscdevice.h>
#include "mbox_defs.h"
#include "megaraid_ioctl.h"

23
drivers/scsi/ses.c
View File

@ -416,11 +416,11 @@ static int ses_intf_add(struct class_device *cdev,
int i, j, types, len, components = 0;
int err = -ENOMEM;
struct enclosure_device *edev;
struct ses_component *scomp;
struct ses_component *scomp = NULL;
if (!scsi_device_enclosure(sdev)) {
/* not an enclosure, but might be in one */
edev = enclosure_find(&sdev->host->shost_gendev);
edev = enclosure_find(&sdev->host->shost_gendev);
if (edev) {
ses_match_to_enclosure(edev, sdev);
class_device_put(&edev->cdev);
@ -456,9 +456,6 @@ static int ses_intf_add(struct class_device *cdev,
if (!buf)
goto err_free;
ses_dev->page1 = buf;
ses_dev->page1_len = len;
result = ses_recv_diag(sdev, 1, buf, len);
if (result)
goto recv_failed;
@ -473,6 +470,9 @@ static int ses_intf_add(struct class_device *cdev,
type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE)
components += type_ptr[1];
}
ses_dev->page1 = buf;
ses_dev->page1_len = len;
buf = NULL;
result = ses_recv_diag(sdev, 2, hdr_buf, INIT_ALLOC_SIZE);
if (result)
@ -489,6 +489,7 @@ static int ses_intf_add(struct class_device *cdev,
goto recv_failed;
ses_dev->page2 = buf;
ses_dev->page2_len = len;
buf = NULL;
/* The additional information page --- allows us
* to match up the devices */
@ -506,11 +507,12 @@ static int ses_intf_add(struct class_device *cdev,
goto recv_failed;
ses_dev->page10 = buf;
ses_dev->page10_len = len;
buf = NULL;
no_page10:
scomp = kmalloc(sizeof(struct ses_component) * components, GFP_KERNEL);
scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL);
if (!scomp)
goto err_free;
goto err_free;
edev = enclosure_register(cdev->dev, sdev->sdev_gendev.bus_id,
components, &ses_enclosure_callbacks);
@ -521,10 +523,9 @@ static int ses_intf_add(struct class_device *cdev,
edev->scratch = ses_dev;
for (i = 0; i < components; i++)
edev->component[i].scratch = scomp++;
edev->component[i].scratch = scomp + i;
/* Page 7 for the descriptors is optional */
buf = NULL;
result = ses_recv_diag(sdev, 7, hdr_buf, INIT_ALLOC_SIZE);
if (result)
goto simple_populate;
@ -532,6 +533,8 @@ static int ses_intf_add(struct class_device *cdev,
len = (hdr_buf[2] << 8) + hdr_buf[3] + 4;
/* add 1 for trailing '\0' we'll use */
buf = kzalloc(len + 1, GFP_KERNEL);
if (!buf)
goto simple_populate;
result = ses_recv_diag(sdev, 7, buf, len);
if (result) {
simple_populate:
@ -598,6 +601,7 @@ static int ses_intf_add(struct class_device *cdev,
err = -ENODEV;
err_free:
kfree(buf);
kfree(scomp);
kfree(ses_dev->page10);
kfree(ses_dev->page2);
kfree(ses_dev->page1);
@ -630,6 +634,7 @@ static void ses_intf_remove(struct class_device *cdev,
ses_dev = edev->scratch;
edev->scratch = NULL;
kfree(ses_dev->page10);
kfree(ses_dev->page1);
kfree(ses_dev->page2);
kfree(ses_dev);

16
drivers/scsi/sym53c416.c
View File

@ -187,10 +187,10 @@
#define sym53c416_base_2 sym53c416_2
#define sym53c416_base_3 sym53c416_3
static unsigned int sym53c416_base[2] = {0,0};
static unsigned int sym53c416_base_1[2] = {0,0};
static unsigned int sym53c416_base_2[2] = {0,0};
static unsigned int sym53c416_base_3[2] = {0,0};
static unsigned int sym53c416_base[2];
static unsigned int sym53c416_base_1[2];
static unsigned int sym53c416_base_2[2];
static unsigned int sym53c416_base_3[2];
#endif
@ -621,25 +621,25 @@ int __init sym53c416_detect(struct scsi_host_template *tpnt)
int ints[3];
ints[0] = 2;
if(sym53c416_base)
if(sym53c416_base[0])
{
ints[1] = sym53c416_base[0];
ints[2] = sym53c416_base[1];
sym53c416_setup(NULL, ints);
}
if(sym53c416_base_1)
if(sym53c416_base_1[0])
{
ints[1] = sym53c416_base_1[0];
ints[2] = sym53c416_base_1[1];
sym53c416_setup(NULL, ints);
}
if(sym53c416_base_2)
if(sym53c416_base_2[0])
{
ints[1] = sym53c416_base_2[0];
ints[2] = sym53c416_base_2[1];
sym53c416_setup(NULL, ints);
}
if(sym53c416_base_3)
if(sym53c416_base_3[0])
{
ints[1] = sym53c416_base_3[0];
ints[2] = sym53c416_base_3[1];

8
include/scsi/scsi_host.h
View File

@ -6,6 +6,7 @@
#include <linux/types.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <scsi/scsi.h>
struct request_queue;
struct block_device;
@ -25,12 +26,15 @@ struct blk_queue_tags;
* NONE: Self evident. Host adapter is not capable of scatter-gather.
* ALL: Means that the host adapter module can do scatter-gather,
* and that there is no limit to the size of the table to which
* we scatter/gather data.
* we scatter/gather data. The value we set here is the maximum
* single element sglist. To use chained sglists, the adapter
* has to set a value beyond ALL (and correctly use the chain
* handling API.
* Anything else: Indicates the maximum number of chains that can be
* used in one scatter-gather request.
*/
#define SG_NONE 0
#define SG_ALL 0xff
#define SG_ALL SCSI_MAX_SG_SEGMENTS
#define MODE_UNKNOWN 0x00
#define MODE_INITIATOR 0x01