patch-2.4.21 linux-2.4.21/drivers/scsi/cpqfcTSinit.c
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- Lines: 3155
- Date:
2003-06-13 07:51:36.000000000 -0700
- Orig file:
linux-2.4.20/drivers/scsi/cpqfcTSinit.c
- Orig date:
2002-11-28 15:53:14.000000000 -0800
diff -urN linux-2.4.20/drivers/scsi/cpqfcTSinit.c linux-2.4.21/drivers/scsi/cpqfcTSinit.c
@@ -29,8 +29,6 @@
*/
-#define LinuxVersionCode(v, p, s) (((v)<<16)+((p)<<8)+(s))
-
#include <linux/blk.h>
#include <linux/kernel.h>
#include <linux/string.h>
@@ -39,17 +37,17 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/timer.h>
-#include <linux/ioport.h> // request_region() prototype
-#include <linux/vmalloc.h> // ioremap()
-#if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,7)
+#include <linux/ioport.h> // request_region() prototype
+#include <linux/slab.h>
+#include <linux/vmalloc.h> // ioremap()
#include <linux/completion.h>
-#endif
+#include <linux/init.h>
#ifdef __alpha__
#define __KERNEL_SYSCALLS__
#endif
#include <asm/unistd.h>
#include <asm/io.h>
-#include <asm/uaccess.h> // ioctl related
+#include <asm/uaccess.h> // ioctl related
#include <asm/irq.h>
#include <linux/spinlock.h>
#include "sd.h"
@@ -61,48 +59,21 @@
#include "cpqfcTS.h"
-#include <linux/config.h>
+#include <linux/config.h>
#include <linux/module.h>
-#include <linux/version.h>
+#include <linux/version.h>
/* Embedded module documentation macros - see module.h */
MODULE_AUTHOR("Compaq Computer Corporation");
-MODULE_DESCRIPTION("Driver for Compaq 64-bit/66Mhz PCI Fibre Channel HBA v. 2.1.1");
+MODULE_DESCRIPTION("Driver for Compaq 64-bit/66Mhz PCI Fibre Channel HBA v. 2.1.2");
MODULE_LICENSE("GPL");
-
-int cpqfcTS_TargetDeviceReset( Scsi_Device *ScsiDev, unsigned int reset_flags);
-
-// This struct was originally defined in
-// /usr/src/linux/include/linux/proc_fs.h
-// since it's only partially implemented, we only use first
-// few fields...
-// NOTE: proc_fs changes in 2.4 kernel
-
-#if LINUX_VERSION_CODE < LinuxVersionCode(2,3,27)
-static struct proc_dir_entry proc_scsi_cpqfcTS =
-{
- PROC_SCSI_CPQFCTS, // ushort low_ino (enumerated list)
- 7, // ushort namelen
- DEV_NAME, // const char* name
- S_IFDIR | S_IRUGO | S_IXUGO, // mode_t mode
- 2 // nlink_t nlink
- // etc. ...
-};
+int cpqfcTS_TargetDeviceReset(Scsi_Device * ScsiDev, unsigned int reset_flags);
-#endif
-
-#if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,7)
-# define CPQFC_DECLARE_COMPLETION(x) DECLARE_COMPLETION(x)
-# define CPQFC_WAITING waiting
-# define CPQFC_COMPLETE(x) complete(x)
-# define CPQFC_WAIT_FOR_COMPLETION(x) wait_for_completion(x);
-#else
-# define CPQFC_DECLARE_COMPLETION(x) DECLARE_MUTEX_LOCKED(x)
-# define CPQFC_WAITING sem
-# define CPQFC_COMPLETE(x) up(x)
-# define CPQFC_WAIT_FOR_COMPLETION(x) down(x)
-#endif
+#define CPQFC_DECLARE_COMPLETION(x) DECLARE_COMPLETION(x)
+#define CPQFC_WAITING waiting
+#define CPQFC_COMPLETE(x) complete(x)
+#define CPQFC_WAIT_FOR_COMPLETION(x) wait_for_completion(x);
/* local function to load our per-HBA (local) data for chip
registers, FC link state, all FC exchanges, etc.
@@ -112,120 +83,86 @@
Name) are not necessary.
*/
-static void Cpqfc_initHBAdata( CPQFCHBA *cpqfcHBAdata, struct pci_dev *PciDev )
+static void Cpqfc_initHBAdata(CPQFCHBA * cpqfcHBAdata, struct pci_dev *PciDev)
{
-
- cpqfcHBAdata->PciDev = PciDev; // copy PCI info ptr
- // since x86 port space is 64k, we only need the lower 16 bits
- cpqfcHBAdata->fcChip.Registers.IOBaseL =
- PciDev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
-
- cpqfcHBAdata->fcChip.Registers.IOBaseU =
- PciDev->resource[2].start & PCI_BASE_ADDRESS_IO_MASK;
-
- // 32-bit memory addresses
- cpqfcHBAdata->fcChip.Registers.MemBase =
- PciDev->resource[3].start & PCI_BASE_ADDRESS_MEM_MASK;
-
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase =
- ioremap( PciDev->resource[3].start & PCI_BASE_ADDRESS_MEM_MASK,
- 0x200);
-
- cpqfcHBAdata->fcChip.Registers.RAMBase =
- PciDev->resource[4].start;
-
- cpqfcHBAdata->fcChip.Registers.SROMBase = // NULL for HP TS adapter
- PciDev->resource[5].start;
-
- // now the Tachlite chip registers
- // the REGISTER struct holds both the physical address & last
- // written value (some TL registers are WRITE ONLY)
-
- cpqfcHBAdata->fcChip.Registers.SFQconsumerIndex.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_SFQ_CONSUMER_INDEX;
-
- cpqfcHBAdata->fcChip.Registers.ERQproducerIndex.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_ERQ_PRODUCER_INDEX;
-
- // TL Frame Manager
- cpqfcHBAdata->fcChip.Registers.FMconfig.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_CONFIG;
- cpqfcHBAdata->fcChip.Registers.FMcontrol.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_CONTROL;
- cpqfcHBAdata->fcChip.Registers.FMstatus.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_STATUS;
- cpqfcHBAdata->fcChip.Registers.FMLinkStatus1.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_LINK_STAT1;
- cpqfcHBAdata->fcChip.Registers.FMLinkStatus2.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_LINK_STAT2;
- cpqfcHBAdata->fcChip.Registers.FMBB_CreditZero.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_BB_CREDIT0;
-
- // TL Control Regs
- cpqfcHBAdata->fcChip.Registers.TYconfig.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_CONFIG;
- cpqfcHBAdata->fcChip.Registers.TYcontrol.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_CONTROL;
- cpqfcHBAdata->fcChip.Registers.TYstatus.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_STATUS;
- cpqfcHBAdata->fcChip.Registers.rcv_al_pa.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_RCV_AL_PA;
- cpqfcHBAdata->fcChip.Registers.ed_tov.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_ED_TOV;
-
-
- cpqfcHBAdata->fcChip.Registers.INTEN.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTEN;
- cpqfcHBAdata->fcChip.Registers.INTPEND.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTPEND;
- cpqfcHBAdata->fcChip.Registers.INTSTAT.address =
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTSTAT;
-
- DEBUG_PCI(printk(" cpqfcHBAdata->fcChip.Registers. :\n"));
- DEBUG_PCI(printk(" IOBaseL = %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseL));
- DEBUG_PCI(printk(" IOBaseU = %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseU));
-
- printk(" ioremap'd Membase: %p\n", cpqfcHBAdata->fcChip.Registers.ReMapMemBase);
-
- DEBUG_PCI(printk(" SFQconsumerIndex.address = %p\n",
- cpqfcHBAdata->fcChip.Registers.SFQconsumerIndex.address));
- DEBUG_PCI(printk(" ERQproducerIndex.address = %p\n",
- cpqfcHBAdata->fcChip.Registers.ERQproducerIndex.address));
- DEBUG_PCI(printk(" TYconfig.address = %p\n",
- cpqfcHBAdata->fcChip.Registers.TYconfig.address));
- DEBUG_PCI(printk(" FMconfig.address = %p\n",
- cpqfcHBAdata->fcChip.Registers.FMconfig.address));
- DEBUG_PCI(printk(" FMcontrol.address = %p\n",
- cpqfcHBAdata->fcChip.Registers.FMcontrol.address));
-
- // set default options for FC controller (chip)
- cpqfcHBAdata->fcChip.Options.initiator = 1; // default: SCSI initiator
- cpqfcHBAdata->fcChip.Options.target = 0; // default: SCSI target
- cpqfcHBAdata->fcChip.Options.extLoopback = 0;// default: no loopback @GBIC
- cpqfcHBAdata->fcChip.Options.intLoopback = 0;// default: no loopback inside chip
-
- // set highest and lowest FC-PH version the adapter/driver supports
- // (NOT strict compliance)
- cpqfcHBAdata->fcChip.highest_FCPH_ver = FC_PH3;
- cpqfcHBAdata->fcChip.lowest_FCPH_ver = FC_PH43;
-
- // set function points for this controller / adapter
- cpqfcHBAdata->fcChip.ResetTachyon = CpqTsResetTachLite;
- cpqfcHBAdata->fcChip.FreezeTachyon = CpqTsFreezeTachlite;
- cpqfcHBAdata->fcChip.UnFreezeTachyon = CpqTsUnFreezeTachlite;
- cpqfcHBAdata->fcChip.CreateTachyonQues = CpqTsCreateTachLiteQues;
- cpqfcHBAdata->fcChip.DestroyTachyonQues = CpqTsDestroyTachLiteQues;
- cpqfcHBAdata->fcChip.InitializeTachyon = CpqTsInitializeTachLite;
- cpqfcHBAdata->fcChip.LaserControl = CpqTsLaserControl;
- cpqfcHBAdata->fcChip.ProcessIMQEntry = CpqTsProcessIMQEntry;
- cpqfcHBAdata->fcChip.InitializeFrameManager = CpqTsInitializeFrameManager;;
- cpqfcHBAdata->fcChip.ReadWriteWWN = CpqTsReadWriteWWN;
- cpqfcHBAdata->fcChip.ReadWriteNVRAM = CpqTsReadWriteNVRAM;
+ cpqfcHBAdata->PciDev = PciDev; // copy PCI info ptr
+
+ // since x86 port space is 64k, we only need the lower 16 bits
+ cpqfcHBAdata->fcChip.Registers.IOBaseL = PciDev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
+ cpqfcHBAdata->fcChip.Registers.IOBaseU = PciDev->resource[2].start & PCI_BASE_ADDRESS_IO_MASK;
+
+ // 32-bit memory addresses
+ cpqfcHBAdata->fcChip.Registers.MemBase = PciDev->resource[3].start & PCI_BASE_ADDRESS_MEM_MASK;
+ cpqfcHBAdata->fcChip.Registers.ReMapMemBase = ioremap(PciDev->resource[3].start & PCI_BASE_ADDRESS_MEM_MASK, 0x200);
+ cpqfcHBAdata->fcChip.Registers.RAMBase = PciDev->resource[4].start;
+ cpqfcHBAdata->fcChip.Registers.SROMBase = PciDev->resource[5].start; // NULL for HP TS adapter
+
+ // now the Tachlite chip registers
+ // the REGISTER struct holds both the physical address & last
+ // written value (some TL registers are WRITE ONLY)
+
+ cpqfcHBAdata->fcChip.Registers.SFQconsumerIndex.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_SFQ_CONSUMER_INDEX;
+
+ cpqfcHBAdata->fcChip.Registers.ERQproducerIndex.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_ERQ_PRODUCER_INDEX;
+
+ // TL Frame Manager
+ cpqfcHBAdata->fcChip.Registers.FMconfig.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_CONFIG;
+ cpqfcHBAdata->fcChip.Registers.FMcontrol.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_CONTROL;
+ cpqfcHBAdata->fcChip.Registers.FMstatus.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_STATUS;
+ cpqfcHBAdata->fcChip.Registers.FMLinkStatus1.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_LINK_STAT1;
+ cpqfcHBAdata->fcChip.Registers.FMLinkStatus2.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_LINK_STAT2;
+ cpqfcHBAdata->fcChip.Registers.FMBB_CreditZero.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_BB_CREDIT0;
+
+ // TL Control Regs
+ cpqfcHBAdata->fcChip.Registers.TYconfig.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_CONFIG;
+ cpqfcHBAdata->fcChip.Registers.TYcontrol.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_CONTROL;
+ cpqfcHBAdata->fcChip.Registers.TYstatus.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_TACH_STATUS;
+ cpqfcHBAdata->fcChip.Registers.rcv_al_pa.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_RCV_AL_PA;
+ cpqfcHBAdata->fcChip.Registers.ed_tov.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + TL_MEM_FM_ED_TOV;
+
+
+ cpqfcHBAdata->fcChip.Registers.INTEN.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTEN;
+ cpqfcHBAdata->fcChip.Registers.INTPEND.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTPEND;
+ cpqfcHBAdata->fcChip.Registers.INTSTAT.address = cpqfcHBAdata->fcChip.Registers.ReMapMemBase + IINTSTAT;
+
+ DEBUG_PCI(printk(" cpqfcHBAdata->fcChip.Registers. :\n"));
+ DEBUG_PCI(printk(" IOBaseL = %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseL));
+ DEBUG_PCI(printk(" IOBaseU = %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseU));
+
+ printk(" ioremap'd Membase: %p\n", cpqfcHBAdata->fcChip.Registers.ReMapMemBase);
+
+ DEBUG_PCI(printk(" SFQconsumerIndex.address = %p\n", cpqfcHBAdata->fcChip.Registers.SFQconsumerIndex.address));
+ DEBUG_PCI(printk(" ERQproducerIndex.address = %p\n", cpqfcHBAdata->fcChip.Registers.ERQproducerIndex.address));
+ DEBUG_PCI(printk(" TYconfig.address = %p\n", cpqfcHBAdata->fcChip.Registers.TYconfig.address));
+ DEBUG_PCI(printk(" FMconfig.address = %p\n", cpqfcHBAdata->fcChip.Registers.FMconfig.address));
+ DEBUG_PCI(printk(" FMcontrol.address = %p\n", cpqfcHBAdata->fcChip.Registers.FMcontrol.address));
+
+ // set default options for FC controller (chip)
+ cpqfcHBAdata->fcChip.Options.initiator = 1; // default: SCSI initiator
+ cpqfcHBAdata->fcChip.Options.target = 0; // default: SCSI target
+ cpqfcHBAdata->fcChip.Options.extLoopback = 0; // default: no loopback @GBIC
+ cpqfcHBAdata->fcChip.Options.intLoopback = 0; // default: no loopback inside chip
+
+ // set highest and lowest FC-PH version the adapter/driver supports
+ // (NOT strict compliance)
+ cpqfcHBAdata->fcChip.highest_FCPH_ver = FC_PH3;
+ cpqfcHBAdata->fcChip.lowest_FCPH_ver = FC_PH43;
+
+ // set function points for this controller / adapter
+ cpqfcHBAdata->fcChip.ResetTachyon = CpqTsResetTachLite;
+ cpqfcHBAdata->fcChip.FreezeTachyon = CpqTsFreezeTachlite;
+ cpqfcHBAdata->fcChip.UnFreezeTachyon = CpqTsUnFreezeTachlite;
+ cpqfcHBAdata->fcChip.CreateTachyonQues = CpqTsCreateTachLiteQues;
+ cpqfcHBAdata->fcChip.DestroyTachyonQues = CpqTsDestroyTachLiteQues;
+ cpqfcHBAdata->fcChip.InitializeTachyon = CpqTsInitializeTachLite;
+ cpqfcHBAdata->fcChip.LaserControl = CpqTsLaserControl;
+ cpqfcHBAdata->fcChip.ProcessIMQEntry = CpqTsProcessIMQEntry;
+ cpqfcHBAdata->fcChip.InitializeFrameManager = CpqTsInitializeFrameManager;;
+ cpqfcHBAdata->fcChip.ReadWriteWWN = CpqTsReadWriteWWN;
+ cpqfcHBAdata->fcChip.ReadWriteNVRAM = CpqTsReadWriteNVRAM;
+
-
}
@@ -233,28 +170,27 @@
/* (borrowed from linux/drivers/scsi/hosts.c) */
static void launch_FCworker_thread(struct Scsi_Host *HostAdapter)
{
- DECLARE_MUTEX_LOCKED(sem);
+ DECLARE_MUTEX_LOCKED(sem);
+
+ CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
+
+ ENTER("launch_FC_worker_thread");
- CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
+ cpqfcHBAdata->notify_wt = &sem;
- ENTER("launch_FC_worker_thread");
-
- cpqfcHBAdata->notify_wt = &sem;
-
- /* must unlock before kernel_thread(), for it may cause a reschedule. */
- spin_unlock_irq(&io_request_lock);
- kernel_thread((int (*)(void *))cpqfcTSWorkerThread,
- (void *) HostAdapter, 0);
- /*
- * Now wait for the kernel error thread to initialize itself
-
- */
- down (&sem);
- spin_lock_irq(&io_request_lock);
- cpqfcHBAdata->notify_wt = NULL;
+ /* must unlock before kernel_thread(), for it may cause a reschedule. */
+ spin_unlock_irq(&io_request_lock);
+ kernel_thread((int (*)(void *)) cpqfcTSWorkerThread, (void *) HostAdapter, 0);
+ /*
+ * Now wait for the kernel error thread to initialize itself
+
+ */
+ down(&sem);
+ spin_lock_irq(&io_request_lock);
+ cpqfcHBAdata->notify_wt = NULL;
+
+ LEAVE("launch_FC_worker_thread");
- LEAVE("launch_FC_worker_thread");
-
}
@@ -279,436 +215,398 @@
};
-int cpqfcTS_detect(Scsi_Host_Template *ScsiHostTemplate)
+int cpqfcTS_detect(Scsi_Host_Template * ScsiHostTemplate)
{
- int NumberOfAdapters=0; // how many of our PCI adapters are found?
- struct pci_dev *PciDev = NULL;
- struct Scsi_Host *HostAdapter = NULL;
- CPQFCHBA *cpqfcHBAdata = NULL;
- struct timer_list *cpqfcTStimer = NULL;
- int i;
+ int NumberOfAdapters = 0; // how many of our PCI adapters are found?
+ struct pci_dev *PciDev = NULL;
+ struct Scsi_Host *HostAdapter = NULL;
+ CPQFCHBA *cpqfcHBAdata = NULL;
+ struct timer_list *cpqfcTStimer = NULL;
+ int i;
- ENTER("cpqfcTS_detect");
+ ENTER("cpqfcTS_detect");
#if LINUX_VERSION_CODE < LinuxVersionCode(2,3,27)
- ScsiHostTemplate->proc_dir = &proc_scsi_cpqfcTS;
+ ScsiHostTemplate->proc_dir = &proc_scsi_cpqfcTS;
#else
- ScsiHostTemplate->proc_name = "cpqfcTS";
+ ScsiHostTemplate->proc_name = "cpqfcTS";
#endif
- if( pci_present() == 0) // no PCI busses?
- {
- printk( " no PCI bus?@#!\n");
- return NumberOfAdapters;
- }
-
- for( i=0; i < HBA_TYPES; i++)
- {
- // look for all HBAs of each type
-
- while((PciDev = pci_find_device(cpqfc_boards[i].vendor_id,
- cpqfc_boards[i].device_id, PciDev)))
- {
-
- if (pci_set_dma_mask(PciDev, CPQFCTS_DMA_MASK) != 0) {
- printk(KERN_WARNING
- "cpqfc: HBA cannot support required DMA mask, skipping.\n");
- continue;
- }
-
- // NOTE: (kernel 2.2.12-32) limits allocation to 128k bytes...
- printk(" scsi_register allocating %d bytes for FC HBA\n",
- (ULONG)sizeof(CPQFCHBA));
-
- HostAdapter = scsi_register( ScsiHostTemplate, sizeof( CPQFCHBA ) );
-
- if(HostAdapter == NULL)
- continue;
- DEBUG_PCI( printk(" HBA found!\n"));
- DEBUG_PCI( printk(" HostAdapter->PciDev->irq = %u\n", PciDev->irq) );
- DEBUG_PCI(printk(" PciDev->baseaddress[0]= %lx\n",
- PciDev->resource[0].start));
- DEBUG_PCI(printk(" PciDev->baseaddress[1]= %lx\n",
- PciDev->resource[1].start));
- DEBUG_PCI(printk(" PciDev->baseaddress[2]= %lx\n",
- PciDev->resource[2].start));
- DEBUG_PCI(printk(" PciDev->baseaddress[3]= %lx\n",
- PciDev->resource[3].start));
-
- scsi_set_pci_device(HostAdapter, PciDev);
- HostAdapter->irq = PciDev->irq; // copy for Scsi layers
-
- // HP Tachlite uses two (255-byte) ranges of Port I/O (lower & upper),
- // for a total I/O port address space of 512 bytes.
- // mask out the I/O port address (lower) & record
- HostAdapter->io_port = (unsigned int)
- PciDev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
- HostAdapter->n_io_port = 0xff;
-
- // i.e., expect 128 targets (arbitrary number), while the
- // RA-4000 supports 32 LUNs
- HostAdapter->max_id = 0; // incremented as devices log in
- HostAdapter->max_lun = CPQFCTS_MAX_LUN; // LUNs per FC device
- HostAdapter->max_channel = CPQFCTS_MAX_CHANNEL; // multiple busses?
-
- // get the pointer to our HBA specific data... (one for
- // each HBA on the PCI bus(ses)).
- cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
-
- // make certain our data struct is clear
- memset( cpqfcHBAdata, 0, sizeof( CPQFCHBA ) );
-
-
- // initialize our HBA info
- cpqfcHBAdata->HBAnum = NumberOfAdapters;
-
- cpqfcHBAdata->HostAdapter = HostAdapter; // back ptr
- Cpqfc_initHBAdata( cpqfcHBAdata, PciDev ); // fill MOST fields
-
- cpqfcHBAdata->HBAnum = NumberOfAdapters;
- cpqfcHBAdata->hba_spinlock = SPIN_LOCK_UNLOCKED;
-
- // request necessary resources and check for conflicts
- if( request_irq( HostAdapter->irq,
- cpqfcTS_intr_handler,
- SA_INTERRUPT | SA_SHIRQ,
- DEV_NAME,
- HostAdapter) )
- {
- printk(" IRQ %u already used\n", HostAdapter->irq);
- scsi_unregister( HostAdapter);
- continue;
- }
-
- // Since we have two 256-byte I/O port ranges (upper
- // and lower), check them both
- if( check_region( cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff) )
- {
- printk(" cpqfcTS address in use: %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseU);
- free_irq( HostAdapter->irq, HostAdapter);
- scsi_unregister( HostAdapter);
- continue;
- }
-
- if( check_region( cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff) )
- {
- printk(" cpqfcTS address in use: %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseL);
- free_irq( HostAdapter->irq, HostAdapter);
- scsi_unregister( HostAdapter);
- continue;
- }
-
- // OK, we should be able to grab everything we need now.
- request_region( cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff, DEV_NAME);
- request_region( cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff, DEV_NAME);
- DEBUG_PCI(printk(" Requesting 255 I/O addresses @ %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseL ));
- DEBUG_PCI(printk(" Requesting 255 I/O addresses @ %x\n",
- cpqfcHBAdata->fcChip.Registers.IOBaseU ));
-
-
- // start our kernel worker thread
-
- launch_FCworker_thread(HostAdapter);
-
-
- // start our TimerTask...
-
- cpqfcTStimer = &cpqfcHBAdata->cpqfcTStimer;
-
- init_timer( cpqfcTStimer); // Linux clears next/prev values
- cpqfcTStimer->expires = jiffies + HZ; // one second
- cpqfcTStimer->data = (unsigned long)cpqfcHBAdata; // this adapter
- cpqfcTStimer->function = cpqfcTSheartbeat; // handles timeouts, housekeeping
-
- add_timer( cpqfcTStimer); // give it to Linux
-
-
- // now initialize our hardware...
- if (cpqfcHBAdata->fcChip.InitializeTachyon( cpqfcHBAdata, 1,1)) {
- printk(KERN_WARNING "cpqfc: initialization of HBA hardware failed.\n");
- // FIXME: might want to do something better than nothing here.
- }
-
- cpqfcHBAdata->fcStatsTime = jiffies; // (for FC Statistics delta)
-
- // give our HBA time to initialize and login current devices...
- {
- // The Brocade switch (e.g. 2400, 2010, etc.) as of March 2000,
- // has the following algorithm for FL_Port startup:
- // Time(sec) Action
- // 0: Device Plugin and LIP(F7,F7) transmission
- // 1.0 LIP incoming
- // 1.027 LISA incoming, no CLS! (link not up)
- // 1.028 NOS incoming (switch test for N_Port)
- // 1.577 ED_TOV expired, transmit LIPs again
- // 3.0 LIP(F8,F7) incoming (switch passes Tach Prim.Sig)
- // 3.028 LILP received, link up, FLOGI starts
- // slowest(worst) case, measured on 1Gb Finisar GT analyzer
-
- unsigned long stop_time;
-
- spin_unlock_irq(&io_request_lock);
- stop_time = jiffies + 4*HZ;
- while ( time_before(jiffies, stop_time) )
- schedule(); // (our worker task needs to run)
+ if (pci_present() == 0) // no PCI busses?
+ {
+ printk(" no PCI bus?@#!\n");
+ return NumberOfAdapters;
+ }
- spin_lock_irq(&io_request_lock);
- }
-
- NumberOfAdapters++;
- } // end of while()
- }
-
- LEAVE("cpqfcTS_detect");
-
- return NumberOfAdapters;
-}
-
-static void my_ioctl_done (Scsi_Cmnd * SCpnt)
-{
- struct request * req;
-
- req = &SCpnt->request;
- req->rq_status = RQ_SCSI_DONE; /* Busy, but indicate request done */
-
- if (req->CPQFC_WAITING != NULL)
- CPQFC_COMPLETE(req->CPQFC_WAITING);
-}
-
-
-
-int cpqfcTS_ioctl( Scsi_Device *ScsiDev, int Cmnd, void *arg)
-{
- int result = 0;
- struct Scsi_Host *HostAdapter = ScsiDev->host;
- CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
- PTACHYON fcChip = &cpqfcHBAdata->fcChip;
- PFC_LOGGEDIN_PORT pLoggedInPort;
- Scsi_Cmnd DumCmnd;
- int i, j;
- VENDOR_IOCTL_REQ ioc;
- cpqfc_passthru_t *vendor_cmd;
- Scsi_Device *SDpnt;
- Scsi_Cmnd *ScsiPassThruCmnd;
-
- ENTER("cpqfcTS_ioctl ");
-
- // can we find an FC device mapping to this SCSI target?
- DumCmnd.channel = ScsiDev->channel; // For searching
- DumCmnd.target = ScsiDev->id;
- pLoggedInPort = fcFindLoggedInPort( fcChip,
- &DumCmnd, // search Scsi Nexus
- 0, // DON'T search linked list for FC port id
- NULL, // DON'T search linked list for FC WWN
- NULL); // DON'T care about end of list
-
- if( pLoggedInPort == NULL ) // not found!
- {
- result = -ENXIO;
- }
-
- else // we know what FC device to operate on...
- {
- // printk("ioctl CMND %d", Cmnd);
- switch (Cmnd)
- {
- // Passthrough provides a mechanism to bypass the RAID
- // or other controller and talk directly to the devices
- // (e.g. physical disk drive)
- // Passthrough commands, unfortunately, tend to be vendor
- // specific; this is tailored to COMPAQ's RAID (RA4x00)
- case CPQFCTS_SCSI_PASSTHRU:
- {
- void *buf = NULL; // for kernel space buffer for user data
-
- if( !arg)
- return -EINVAL;
-
- // must be super user to send stuff directly to the
- // controller and/or physical drives...
- if( !suser() )
- return -EPERM;
-
- // copy the caller's struct to our space.
- if( copy_from_user( &ioc, arg, sizeof( VENDOR_IOCTL_REQ)))
- return( -EFAULT);
+ for (i = 0; i < HBA_TYPES; i++) {
+ // look for all HBAs of each type
- vendor_cmd = ioc.argp; // i.e., CPQ specific command struct
+ while ((PciDev = pci_find_device(cpqfc_boards[i].vendor_id, cpqfc_boards[i].device_id, PciDev))) {
- // If necessary, grab a kernel/DMA buffer
- if( vendor_cmd->len)
- {
- buf = kmalloc( vendor_cmd->len, GFP_KERNEL);
- if( !buf)
- return -ENOMEM;
- }
-
- // Now build a SCSI_CMND to pass down...
- // This function allocates and sets Scsi_Cmnd ptrs such as
- // ->channel, ->target, ->host
- ScsiPassThruCmnd = scsi_allocate_device(ScsiDev, 1, 1);
-
- // Need data from user?
- // make sure caller's buffer is in kernel space.
- if( (vendor_cmd->rw_flag == VENDOR_WRITE_OPCODE) &&
- vendor_cmd->len)
- if( copy_from_user( buf, vendor_cmd->bufp, vendor_cmd->len))
- return( -EFAULT);
-
- // copy the CDB (if/when MAX_COMMAND_SIZE is 16, remove copy below)
- memcpy( &ScsiPassThruCmnd->cmnd[0],
- &vendor_cmd->cdb[0],
- MAX_COMMAND_SIZE);
- // we want to copy all 16 bytes into the FCP-SCSI CDB,
- // although the actual passthru only uses up to the
- // first 12.
-
- ScsiPassThruCmnd->cmd_len = 16; // sizeof FCP-SCSI CDB
-
- // Unfortunately, the SCSI command cmnd[] field has only
- // 12 bytes. Ideally the MAX_COMMAND_SIZE should be increased
- // to 16 for newer Fibre Channel and SCSI-3 larger CDBs.
- // However, to avoid a mandatory kernel rebuild, we use the SCp
- // spare field to store the extra 4 bytes ( ugly :-(
+ if (pci_enable_device(PciDev) != 0) {
+ printk(KERN_WARNING "cpqfc: pci_enable_devive failed, skipping.\n");
+ continue;
+ }
+ if (pci_set_dma_mask(PciDev, CPQFCTS_DMA_MASK) != 0) {
+ printk(KERN_WARNING "cpqfc: HBA cannot support required DMA mask, skipping.\n");
+ continue;
+ }
+ // NOTE: (kernel 2.2.12-32) limits allocation to 128k bytes...
+ printk(" scsi_register allocating %d bytes for FC HBA\n", (u32) sizeof(CPQFCHBA));
+
+ HostAdapter = scsi_register(ScsiHostTemplate, sizeof(CPQFCHBA));
+
+ if (HostAdapter == NULL)
+ continue;
+ DEBUG_PCI(printk(" HBA found!\n"));
+ DEBUG_PCI(printk(" HostAdapter->PciDev->irq = %u\n", PciDev->irq));
+ DEBUG_PCI(printk(" PciDev->baseaddress[0]= %lx\n", PciDev->resource[0].start));
+ DEBUG_PCI(printk(" PciDev->baseaddress[1]= %lx\n", PciDev->resource[1].start));
+ DEBUG_PCI(printk(" PciDev->baseaddress[2]= %lx\n", PciDev->resource[2].start));
+ DEBUG_PCI(printk(" PciDev->baseaddress[3]= %lx\n", PciDev->resource[3].start));
+
+ scsi_set_pci_device(HostAdapter, PciDev);
+ HostAdapter->irq = PciDev->irq; // copy for Scsi layers
+
+ // HP Tachlite uses two (255-byte) ranges of Port I/O (lower & upper),
+ // for a total I/O port address space of 512 bytes.
+ // mask out the I/O port address (lower) & record
+ HostAdapter->io_port = (unsigned int)
+ PciDev->resource[1].start & PCI_BASE_ADDRESS_IO_MASK;
+ HostAdapter->n_io_port = 0xff;
+
+ // i.e., expect 128 targets (arbitrary number), while the
+ // RA-4000 supports 32 LUNs
+ HostAdapter->max_id = 0; // incremented as devices log in
+ HostAdapter->max_lun = CPQFCTS_MAX_LUN; // LUNs per FC device
+ HostAdapter->max_channel = CPQFCTS_MAX_CHANNEL; // multiple busses?
+
+ // get the pointer to our HBA specific data... (one for
+ // each HBA on the PCI bus(ses)).
+ cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
+
+ // make certain our data struct is clear
+ memset(cpqfcHBAdata, 0, sizeof(CPQFCHBA));
+
+
+ // initialize our HBA info
+ cpqfcHBAdata->HBAnum = NumberOfAdapters;
+
+ cpqfcHBAdata->HostAdapter = HostAdapter; // back ptr
+ Cpqfc_initHBAdata(cpqfcHBAdata, PciDev); // fill MOST fields
+
+ cpqfcHBAdata->HBAnum = NumberOfAdapters;
+ cpqfcHBAdata->hba_spinlock = SPIN_LOCK_UNLOCKED;
+
+ // request necessary resources and check for conflicts
+ if (request_irq(HostAdapter->irq, cpqfcTS_intr_handler, SA_INTERRUPT | SA_SHIRQ, DEV_NAME, HostAdapter)) {
+ printk(" IRQ %u already used\n", HostAdapter->irq);
+ scsi_unregister(HostAdapter);
+ continue;
+ }
+ // Since we have two 256-byte I/O port ranges (upper
+ // and lower), check them both
+ if (check_region(cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff)) {
+ printk(" cpqfcTS address in use: %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseU);
+ free_irq(HostAdapter->irq, HostAdapter);
+ scsi_unregister(HostAdapter);
+ continue;
+ }
+
+ if (check_region(cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff)) {
+ printk(" cpqfcTS address in use: %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseL);
+ free_irq(HostAdapter->irq, HostAdapter);
+ scsi_unregister(HostAdapter);
+ continue;
+ }
+ // OK, we should be able to grab everything we need now.
+ request_region(cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff, DEV_NAME);
+ request_region(cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff, DEV_NAME);
+ DEBUG_PCI(printk(" Requesting 255 I/O addresses @ %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseL));
+ DEBUG_PCI(printk(" Requesting 255 I/O addresses @ %x\n", cpqfcHBAdata->fcChip.Registers.IOBaseU));
+
+
+ // start our kernel worker thread
+
+ launch_FCworker_thread(HostAdapter);
+
+
+ // start our TimerTask...
+
+ cpqfcTStimer = &cpqfcHBAdata->cpqfcTStimer;
+
+ init_timer(cpqfcTStimer); // Linux clears next/prev values
+ cpqfcTStimer->expires = jiffies + HZ; // one second
+ cpqfcTStimer->data = (unsigned long) cpqfcHBAdata; // this adapter
+ cpqfcTStimer->function = cpqfcTSheartbeat; // handles timeouts, housekeeping
+
+ add_timer(cpqfcTStimer); // give it to Linux
+
+
+ // now initialize our hardware...
+ if (cpqfcHBAdata->fcChip.InitializeTachyon(cpqfcHBAdata, 1, 1)) {
+ printk(KERN_WARNING "cpqfc: initialization of HBA hardware failed.\n");
+ // FIXME: might want to do something better than nothing here.
+ }
+
+ cpqfcHBAdata->fcStatsTime = jiffies; // (for FC Statistics delta)
+
+ // give our HBA time to initialize and login current devices...
+ {
+ // The Brocade switch (e.g. 2400, 2010, etc.) as of March 2000,
+ // has the following algorithm for FL_Port startup:
+ // Time(sec) Action
+ // 0: Device Plugin and LIP(F7,F7) transmission
+ // 1.0 LIP incoming
+ // 1.027 LISA incoming, no CLS! (link not up)
+ // 1.028 NOS incoming (switch test for N_Port)
+ // 1.577 ED_TOV expired, transmit LIPs again
+ // 3.0 LIP(F8,F7) incoming (switch passes Tach Prim.Sig)
+ // 3.028 LILP received, link up, FLOGI starts
+ // slowest(worst) case, measured on 1Gb Finisar GT analyzer
+
+ unsigned long stop_time;
+
+ spin_unlock_irq(&io_request_lock);
+ stop_time = jiffies + 4 * HZ;
+ while (time_before(jiffies, stop_time))
+ schedule(); // (our worker task needs to run)
- if( MAX_COMMAND_SIZE < 16)
+ spin_lock_irq(&io_request_lock);
+ }
+
+ NumberOfAdapters++;
+ } // end of while()
+ }
+
+ LEAVE("cpqfcTS_detect");
+
+ return NumberOfAdapters;
+}
+
+static void my_ioctl_done(Scsi_Cmnd * SCpnt)
+{
+ struct request *req;
+
+ req = &SCpnt->request;
+ req->rq_status = RQ_SCSI_DONE; /* Busy, but indicate request done */
+
+ if (req->CPQFC_WAITING != NULL)
+ CPQFC_COMPLETE(req->CPQFC_WAITING);
+}
+
+
+
+int cpqfcTS_ioctl(Scsi_Device * ScsiDev, int Cmnd, void *arg)
+{
+ int result = 0;
+ struct Scsi_Host *HostAdapter = ScsiDev->host;
+ CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
+ PTACHYON fcChip = &cpqfcHBAdata->fcChip;
+ PFC_LOGGEDIN_PORT pLoggedInPort;
+ Scsi_Cmnd DumCmnd;
+ int i, j;
+ VENDOR_IOCTL_REQ ioc;
+ cpqfc_passthru_t *vendor_cmd;
+ Scsi_Device *SDpnt;
+ Scsi_Cmnd *ScsiPassThruCmnd;
+
+ ENTER("cpqfcTS_ioctl ");
+
+ // can we find an FC device mapping to this SCSI target?
+ DumCmnd.channel = ScsiDev->channel; // For searching
+ DumCmnd.target = ScsiDev->id;
+ DumCmnd.lun = ScsiDev->lun;
+ pLoggedInPort = fcFindLoggedInPort(fcChip, &DumCmnd, // search Scsi Nexus
+ 0, // DON'T search linked list for FC port id
+ NULL, // DON'T search linked list for FC WWN
+ NULL); // DON'T care about end of list
+
+ if (pLoggedInPort == NULL) // not found!
{
- memcpy( &ScsiPassThruCmnd->SCp.buffers_residual,
- &vendor_cmd->cdb[12], 4);
- }
-
-
- ScsiPassThruCmnd->SCp.sent_command = 1; // PASSTHRU!
- // suppress LUN masking
- // and VSA logic
-
- // Use spare fields to copy FCP-SCSI LUN address info...
- ScsiPassThruCmnd->SCp.phase = vendor_cmd->bus;
- ScsiPassThruCmnd->SCp.have_data_in = vendor_cmd->pdrive;
-
- // We copy the scheme used by scsi.c to submit commands
- // to our own HBA. We do this in order to stall the
- // thread calling the IOCTL until it completes, and use
- // the same "_quecommand" function for synchronizing
- // FC Link events with our "worker thread".
-
- {
- CPQFC_DECLARE_COMPLETION(wait);
- ScsiPassThruCmnd->request.CPQFC_WAITING = &wait;
- // eventually gets us to our own _quecommand routine
- scsi_do_cmd( ScsiPassThruCmnd, &vendor_cmd->cdb[0],
- buf,
- vendor_cmd->len,
- my_ioctl_done,
- 10*HZ, 1);// timeout,retries
- // Other I/Os can now resume; we wait for our ioctl
- // command to complete
- CPQFC_WAIT_FOR_COMPLETION(&wait);
- ScsiPassThruCmnd->request.CPQFC_WAITING = NULL;
- }
-
- result = ScsiPassThruCmnd->result;
+ result = -ENXIO;
+ }
- // copy any sense data back to caller
- if( result != 0 )
+ else // we know what FC device to operate on...
{
- memcpy( vendor_cmd->sense_data, // see struct def - size=40
- ScsiPassThruCmnd->sense_buffer,
- sizeof(ScsiPassThruCmnd->sense_buffer));
- }
- SDpnt = ScsiPassThruCmnd->device;
- scsi_release_command(ScsiPassThruCmnd); // "de-allocate"
- ScsiPassThruCmnd = NULL;
-
- // if (!SDpnt->was_reset && SDpnt->scsi_request_fn)
- // (*SDpnt->scsi_request_fn)();
-
- wake_up(&SDpnt->scpnt_wait);
-
- // need to pass data back to user (space)?
- if( (vendor_cmd->rw_flag == VENDOR_READ_OPCODE) &&
- vendor_cmd->len )
- if( copy_to_user( vendor_cmd->bufp, buf, vendor_cmd->len))
- return( -EFAULT);
-
- if( buf)
- kfree( buf);
-
- return result;
- }
-
- case CPQFCTS_GETPCIINFO:
- {
- cpqfc_pci_info_struct pciinfo;
-
- if( !arg)
- return -EINVAL;
-
-
-
- pciinfo.bus = cpqfcHBAdata->PciDev->bus->number;
- pciinfo.dev_fn = cpqfcHBAdata->PciDev->devfn;
- pciinfo.board_id = cpqfcHBAdata->PciDev->device |
- (cpqfcHBAdata->PciDev->vendor <<16);
-
- if(copy_to_user( arg, &pciinfo, sizeof(cpqfc_pci_info_struct)))
- return( -EFAULT);
- return 0;
- }
-
- case CPQFCTS_GETDRIVVER:
- {
- DriverVer_type DriverVer =
- CPQFCTS_DRIVER_VER( VER_MAJOR,VER_MINOR,VER_SUBMINOR);
-
- if( !arg)
- return -EINVAL;
-
- if(copy_to_user( arg, &DriverVer, sizeof(DriverVer)))
- return( -EFAULT);
- return 0;
- }
-
-
-
- case CPQFC_IOCTL_FC_TARGET_ADDRESS:
- result =
- verify_area(VERIFY_WRITE, arg, sizeof(Scsi_FCTargAddress));
- if (result)
- break;
-
- put_user(pLoggedInPort->port_id,
- &((Scsi_FCTargAddress *) arg)->host_port_id);
-
- for( i=3,j=0; i>=0; i--) // copy the LOGIN port's WWN
- put_user(pLoggedInPort->u.ucWWN[i],
- &((Scsi_FCTargAddress *) arg)->host_wwn[j++]);
- for( i=7; i>3; i--) // copy the LOGIN port's WWN
- put_user(pLoggedInPort->u.ucWWN[i],
- &((Scsi_FCTargAddress *) arg)->host_wwn[j++]);
- break;
-
-
- case CPQFC_IOCTL_FC_TDR:
-
- result = cpqfcTS_TargetDeviceReset( ScsiDev, 0);
-
- break;
-
-
-
-
- default:
- result = -EINVAL;
- break;
- }
- }
+ // printk("ioctl CMND %d", Cmnd);
+ switch (Cmnd) {
+ // Passthrough provides a mechanism to bypass the RAID
+ // or other controller and talk directly to the devices
+ // (e.g. physical disk drive)
+ // Passthrough commands, unfortunately, tend to be vendor
+ // specific; this is tailored to COMPAQ's RAID (RA4x00)
+ case CPQFCTS_SCSI_PASSTHRU:
+ {
+ void *buf = NULL; // for kernel space buffer for user data
+
+ if (!arg)
+ return -EINVAL;
+
+ // must be super user to send stuff directly to the
+ // controller and/or physical drives...
+ if (!suser())
+ return -EPERM;
+
+ // copy the caller's struct to our space.
+ if (copy_from_user(&ioc, arg, sizeof(VENDOR_IOCTL_REQ)))
+ return (-EFAULT);
+
+ vendor_cmd = ioc.argp; // i.e., CPQ specific command struct
+
+ // If necessary, grab a kernel/DMA buffer
+ if (vendor_cmd->len) {
+ buf = kmalloc(vendor_cmd->len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ }
+ // Now build a SCSI_CMND to pass down...
+ // This function allocates and sets Scsi_Cmnd ptrs such as
+ // ->channel, ->target, ->host
+ ScsiPassThruCmnd = scsi_allocate_device(ScsiDev, 1, 1);
+
+ // Need data from user?
+ // make sure caller's buffer is in kernel space.
+ if ((vendor_cmd->rw_flag == VENDOR_WRITE_OPCODE) && vendor_cmd->len)
+ if (copy_from_user(buf, vendor_cmd->bufp, vendor_cmd->len)) {
+ kfree(buf);
+ return (-EFAULT);
+ }
+
+ // copy the CDB (if/when MAX_COMMAND_SIZE is 16, remove copy below)
+ memcpy(&ScsiPassThruCmnd->cmnd[0], &vendor_cmd->cdb[0], MAX_COMMAND_SIZE);
+ // we want to copy all 16 bytes into the FCP-SCSI CDB,
+ // although the actual passthru only uses up to the
+ // first 12.
+
+ ScsiPassThruCmnd->cmd_len = 16; // sizeof FCP-SCSI CDB
+
+ // Unfortunately, the SCSI command cmnd[] field has only
+ // 12 bytes. Ideally the MAX_COMMAND_SIZE should be increased
+ // to 16 for newer Fibre Channel and SCSI-3 larger CDBs.
+ // However, to avoid a mandatory kernel rebuild, we use the SCp
+ // spare field to store the extra 4 bytes ( ugly :-(
+
+ if (MAX_COMMAND_SIZE < 16) {
+ memcpy(&ScsiPassThruCmnd->SCp.buffers_residual, &vendor_cmd->cdb[12], 4);
+ }
+
+
+ ScsiPassThruCmnd->SCp.sent_command = 1; // PASSTHRU!
+ // suppress LUN masking
+ // and VSA logic
+
+ // Use spare fields to copy FCP-SCSI LUN address info...
+ ScsiPassThruCmnd->SCp.phase = vendor_cmd->bus;
+ ScsiPassThruCmnd->SCp.have_data_in = vendor_cmd->pdrive;
+
+ // We copy the scheme used by scsi.c to submit commands
+ // to our own HBA. We do this in order to stall the
+ // thread calling the IOCTL until it completes, and use
+ // the same "_quecommand" function for synchronizing
+ // FC Link events with our "worker thread".
+
+ {
+ CPQFC_DECLARE_COMPLETION(wait);
+ ScsiPassThruCmnd->request.CPQFC_WAITING = &wait;
+ // eventually gets us to our own _quecommand routine
+ scsi_do_cmd(ScsiPassThruCmnd, &vendor_cmd->cdb[0], buf, vendor_cmd->len, my_ioctl_done, 10 * HZ, 1); // timeout,retries
+ // Other I/Os can now resume; we wait for our ioctl
+ // command to complete
+ CPQFC_WAIT_FOR_COMPLETION(&wait);
+ ScsiPassThruCmnd->request.CPQFC_WAITING = NULL;
+ }
+
+ result = ScsiPassThruCmnd->result;
+
+ // copy any sense data back to caller
+ if (result != 0) {
+ memcpy(vendor_cmd->sense_data, // see struct def - size=40
+ ScsiPassThruCmnd->sense_buffer, sizeof(ScsiPassThruCmnd->sense_buffer));
+ }
+ SDpnt = ScsiPassThruCmnd->device;
+ scsi_release_command(ScsiPassThruCmnd); // "de-allocate"
+ ScsiPassThruCmnd = NULL;
+
+ // if (!SDpnt->was_reset && SDpnt->scsi_request_fn)
+ // (*SDpnt->scsi_request_fn)();
- LEAVE("cpqfcTS_ioctl");
- return result;
+ wake_up(&SDpnt->scpnt_wait);
+
+ // need to pass data back to user (space)?
+ if ((vendor_cmd->rw_flag == VENDOR_READ_OPCODE) && vendor_cmd->len)
+ if (copy_to_user(vendor_cmd->bufp, buf, vendor_cmd->len))
+ result = -EFAULT;
+
+ if (buf)
+ kfree(buf);
+
+ return result;
+ }
+
+ case CPQFCTS_GETPCIINFO:
+ {
+ cpqfc_pci_info_struct pciinfo;
+
+ if (!arg)
+ return -EINVAL;
+
+
+
+ pciinfo.bus = cpqfcHBAdata->PciDev->bus->number;
+ pciinfo.dev_fn = cpqfcHBAdata->PciDev->devfn;
+ pciinfo.board_id = cpqfcHBAdata->PciDev->device | (cpqfcHBAdata->PciDev->vendor << 16);
+
+ if (copy_to_user(arg, &pciinfo, sizeof(cpqfc_pci_info_struct)))
+ return (-EFAULT);
+ return 0;
+ }
+
+ case CPQFCTS_GETDRIVVER:
+ {
+ DriverVer_type DriverVer = CPQFCTS_DRIVER_VER(VER_MAJOR, VER_MINOR, VER_SUBMINOR);
+
+ if (!arg)
+ return -EINVAL;
+
+ if (copy_to_user(arg, &DriverVer, sizeof(DriverVer)))
+ return (-EFAULT);
+ return 0;
+ }
+
+
+
+ case CPQFC_IOCTL_FC_TARGET_ADDRESS:
+ result = verify_area(VERIFY_WRITE, arg, sizeof(Scsi_FCTargAddress));
+ if (result)
+ break;
+
+ put_user(pLoggedInPort->port_id, &((Scsi_FCTargAddress *) arg)->host_port_id);
+
+ for (i = 3, j = 0; i >= 0; i--) // copy the LOGIN port's WWN
+ put_user(pLoggedInPort->u.ucWWN[i], &((Scsi_FCTargAddress *) arg)->host_wwn[j++]);
+ for (i = 7; i > 3; i--) // copy the LOGIN port's WWN
+ put_user(pLoggedInPort->u.ucWWN[i], &((Scsi_FCTargAddress *) arg)->host_wwn[j++]);
+ break;
+
+
+ case CPQFC_IOCTL_FC_TDR:
+
+ result = cpqfcTS_TargetDeviceReset(ScsiDev, 0);
+
+ break;
+
+
+
+
+ default:
+ result = -EINVAL;
+ break;
+ }
+ }
+
+ LEAVE("cpqfcTS_ioctl");
+ return result;
}
@@ -718,84 +616,73 @@
int cpqfcTS_release(struct Scsi_Host *HostAdapter)
{
- CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
+ CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
- ENTER("cpqfcTS_release");
-
- DEBUG_PCI( printk(" cpqfcTS: delete timer...\n"));
- del_timer( &cpqfcHBAdata->cpqfcTStimer);
-
- // disable the hardware...
- DEBUG_PCI( printk(" disable hardware, destroy queues, free mem\n"));
- cpqfcHBAdata->fcChip.ResetTachyon( cpqfcHBAdata, CLEAR_FCPORTS);
-
- // kill kernel thread
- if( cpqfcHBAdata->worker_thread ) // (only if exists)
- {
- DECLARE_MUTEX_LOCKED(sem); // synchronize thread kill
-
- cpqfcHBAdata->notify_wt = &sem;
- DEBUG_PCI( printk(" killing kernel thread\n"));
- send_sig( SIGKILL, cpqfcHBAdata->worker_thread, 1);
- down( &sem);
- cpqfcHBAdata->notify_wt = NULL;
-
- }
-
- // free Linux resources
- DEBUG_PCI( printk(" cpqfcTS: freeing resources...\n"));
- free_irq( HostAdapter->irq, HostAdapter);
- scsi_unregister( HostAdapter);
- release_region( cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff);
- release_region( cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff);
- /* we get "vfree: bad address" executing this - need to investigate...
- if( (void*)((unsigned long)cpqfcHBAdata->fcChip.Registers.MemBase) !=
- cpqfcHBAdata->fcChip.Registers.ReMapMemBase)
- vfree( cpqfcHBAdata->fcChip.Registers.ReMapMemBase);
-*/
+ ENTER("cpqfcTS_release");
+
+ DEBUG_PCI(printk(" cpqfcTS: delete timer...\n"));
+ del_timer(&cpqfcHBAdata->cpqfcTStimer);
- LEAVE("cpqfcTS_release");
- return 0;
+ // disable the hardware...
+ DEBUG_PCI(printk(" disable hardware, destroy queues, free mem\n"));
+ cpqfcHBAdata->fcChip.ResetTachyon(cpqfcHBAdata, CLEAR_FCPORTS);
+
+ // kill kernel thread
+ if (cpqfcHBAdata->worker_thread) // (only if exists)
+ {
+ DECLARE_MUTEX_LOCKED(sem); // synchronize thread kill
+
+ cpqfcHBAdata->notify_wt = &sem;
+ DEBUG_PCI(printk(" killing kernel thread\n"));
+ send_sig(SIGKILL, cpqfcHBAdata->worker_thread, 1);
+ down(&sem);
+ cpqfcHBAdata->notify_wt = NULL;
+
+ }
+ // free Linux resources
+ DEBUG_PCI(printk(" cpqfcTS: freeing resources...\n"));
+ free_irq(HostAdapter->irq, HostAdapter);
+ scsi_unregister(HostAdapter);
+ release_region(cpqfcHBAdata->fcChip.Registers.IOBaseL, 0xff);
+ release_region(cpqfcHBAdata->fcChip.Registers.IOBaseU, 0xff);
+ /* we get "vfree: bad address" executing this - need to investigate...
+ if( (void*)((unsigned long)cpqfcHBAdata->fcChip.Registers.MemBase) !=
+ cpqfcHBAdata->fcChip.Registers.ReMapMemBase)
+ vfree( cpqfcHBAdata->fcChip.Registers.ReMapMemBase);
+ */
+
+ LEAVE("cpqfcTS_release");
+ return 0;
}
-const char * cpqfcTS_info(struct Scsi_Host *HostAdapter)
+const char *cpqfcTS_info(struct Scsi_Host *HostAdapter)
{
- static char buf[300];
- CPQFCHBA *cpqfcHBA;
- int BusSpeed, BusWidth;
-
- // get the pointer to our Scsi layer HBA buffer
- cpqfcHBA = (CPQFCHBA *)HostAdapter->hostdata;
-
- BusWidth = (cpqfcHBA->fcChip.Registers.PCIMCTR &0x4) > 0 ?
- 64 : 32;
-
- if( cpqfcHBA->fcChip.Registers.TYconfig.value & 0x80000000)
- BusSpeed = 66;
- else
- BusSpeed = 33;
-
- sprintf(buf,
-"%s: WWN %08X%08X\n on PCI bus %d device 0x%02x irq %d IObaseL 0x%x, MEMBASE 0x%x\nPCI bus width %d bits, bus speed %d MHz\nFCP-SCSI Driver v%d.%d.%d",
- cpqfcHBA->fcChip.Name,
- cpqfcHBA->fcChip.Registers.wwn_hi,
- cpqfcHBA->fcChip.Registers.wwn_lo,
- cpqfcHBA->PciDev->bus->number,
- cpqfcHBA->PciDev->device,
- HostAdapter->irq,
- cpqfcHBA->fcChip.Registers.IOBaseL,
- cpqfcHBA->fcChip.Registers.MemBase,
- BusWidth,
- BusSpeed,
- VER_MAJOR, VER_MINOR, VER_SUBMINOR
-);
-
-
- cpqfcTSDecodeGBICtype( &cpqfcHBA->fcChip, &buf[ strlen(buf)]);
- cpqfcTSGetLPSM( &cpqfcHBA->fcChip, &buf[ strlen(buf)]);
- return buf;
+ static char buf[300];
+ CPQFCHBA *cpqfcHBA;
+ int BusSpeed, BusWidth;
+
+ // get the pointer to our Scsi layer HBA buffer
+ cpqfcHBA = (CPQFCHBA *) HostAdapter->hostdata;
+
+ BusWidth = (cpqfcHBA->fcChip.Registers.PCIMCTR & 0x4) > 0 ? 64 : 32;
+
+ if (cpqfcHBA->fcChip.Registers.TYconfig.value & 0x80000000)
+ BusSpeed = 66;
+ else
+ BusSpeed = 33;
+
+ sprintf(buf,
+ "%s: WWN %08X%08X\n on PCI bus %d device 0x%02x irq %d IObaseL 0x%x, MEMBASE 0x%x\nPCI bus width %d bits, bus speed %d MHz\nFCP-SCSI Driver v%d.%d.%d",
+ cpqfcHBA->fcChip.Name,
+ cpqfcHBA->fcChip.Registers.wwn_hi,
+ cpqfcHBA->fcChip.Registers.wwn_lo, cpqfcHBA->PciDev->bus->number, cpqfcHBA->PciDev->device, HostAdapter->irq, cpqfcHBA->fcChip.Registers.IOBaseL, cpqfcHBA->fcChip.Registers.MemBase, BusWidth, BusSpeed, VER_MAJOR, VER_MINOR, VER_SUBMINOR);
+
+
+ cpqfcTSDecodeGBICtype(&cpqfcHBA->fcChip, &buf[strlen(buf)]);
+ cpqfcTSGetLPSM(&cpqfcHBA->fcChip, &buf[strlen(buf)]);
+ return buf;
}
//
@@ -806,178 +693,167 @@
// programming to use it to make programming a little simpler. This piece
// of coding is borrowed from ncr53c8xx.c with some modifications
//
-struct info_str
-{
- char *buffer; // Pointer to output buffer
- int buflength; // It's length
- int bufoffset; // File offset corresponding with buf[0]
- int buffillen; // Current filled length
- int filpos; // Current file offset
+struct info_str {
+ char *buffer; // Pointer to output buffer
+ int buflength; // It's length
+ int bufoffset; // File offset corresponding with buf[0]
+ int buffillen; // Current filled length
+ int filpos; // Current file offset
};
static void copy_mem_info(struct info_str *info, char *data, int datalen)
{
- if (info->filpos < info->bufoffset) { // Current offset before buffer offset
- if (info->filpos + datalen <= info->bufoffset) {
- info->filpos += datalen; // Discard if completely before buffer
- return;
- } else { // Partial copy, set to begin
- data += (info->bufoffset - info->filpos);
- datalen -= (info->bufoffset - info->filpos);
- info->filpos = info->bufoffset;
- }
- }
-
- info->filpos += datalen; // Update current offset
+ if (info->filpos < info->bufoffset) { // Current offset before buffer offset
+ if (info->filpos + datalen <= info->bufoffset) {
+ info->filpos += datalen; // Discard if completely before buffer
+ return;
+ } else { // Partial copy, set to begin
+ data += (info->bufoffset - info->filpos);
+ datalen -= (info->bufoffset - info->filpos);
+ info->filpos = info->bufoffset;
+ }
+ }
+
+ info->filpos += datalen; // Update current offset
- if (info->buffillen == info->buflength) // Buffer full, discard
- return;
+ if (info->buffillen == info->buflength) // Buffer full, discard
+ return;
- if (info->buflength - info->buffillen < datalen) // Overflows buffer ?
- datalen = info->buflength - info->buffillen;
+ if (info->buflength - info->buffillen < datalen) // Overflows buffer ?
+ datalen = info->buflength - info->buffillen;
- memcpy(info->buffer + info->buffillen, data, datalen);
- info->buffillen += datalen;
+ memcpy(info->buffer + info->buffillen, data, datalen);
+ info->buffillen += datalen;
}
static int copy_info(struct info_str *info, char *fmt, ...)
{
- va_list args;
- char buf[400];
- int len;
-
- va_start(args, fmt);
- len = vsprintf(buf, fmt, args);
- va_end(args);
+ va_list args;
+ char buf[400];
+ int len;
+
+ va_start(args, fmt);
+ len = vsprintf(buf, fmt, args);
+ va_end(args);
- copy_mem_info(info, buf, len);
- return len;
+ copy_mem_info(info, buf, len);
+ return len;
}
// Routine to get data for /proc RAM filesystem
//
-int cpqfcTS_proc_info (char *buffer, char **start, off_t offset, int length,
- int hostno, int inout)
+int cpqfcTS_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout)
{
- struct Scsi_Host *host;
- Scsi_Cmnd DumCmnd;
- int Chan, Targ, i;
- struct info_str info;
- CPQFCHBA *cpqfcHBA;
- PTACHYON fcChip;
- PFC_LOGGEDIN_PORT pLoggedInPort;
- char buf[81];
-
- // Search the Scsi host list for our controller
- for (host=scsi_hostlist; host; host=host->next)
- if (host->host_no == hostno)
- break;
-
- if (!host) return -ESRCH;
-
- if (inout) return -EINVAL;
-
- // get the pointer to our Scsi layer HBA buffer
- cpqfcHBA = (CPQFCHBA *)host->hostdata;
- fcChip = &cpqfcHBA->fcChip;
-
- *start = buffer;
-
- info.buffer = buffer;
- info.buflength = length;
- info.bufoffset = offset;
- info.filpos = 0;
- info.buffillen = 0;
- copy_info(&info, "Driver version = %d.%d.%d", VER_MAJOR, VER_MINOR, VER_SUBMINOR);
- cpqfcTSDecodeGBICtype( &cpqfcHBA->fcChip, &buf[0]);
- cpqfcTSGetLPSM( &cpqfcHBA->fcChip, &buf[ strlen(buf)]);
- copy_info(&info, "%s\n", buf);
+ struct Scsi_Host *host;
+ Scsi_Cmnd DumCmnd;
+ int Chan, Targ, i;
+ struct info_str info;
+ CPQFCHBA *cpqfcHBA;
+ PTACHYON fcChip;
+ PFC_LOGGEDIN_PORT pLoggedInPort;
+ char buf[81];
+
+ // Search the Scsi host list for our controller
+ for (host = scsi_hostlist; host; host = host->next)
+ if (host->host_no == hostno)
+ break;
+
+ if (!host)
+ return -ESRCH;
+
+ if (inout)
+ return -EINVAL;
+
+ // get the pointer to our Scsi layer HBA buffer
+ cpqfcHBA = (CPQFCHBA *) host->hostdata;
+ fcChip = &cpqfcHBA->fcChip;
+
+ *start = buffer;
+
+ info.buffer = buffer;
+ info.buflength = length;
+ info.bufoffset = offset;
+ info.filpos = 0;
+ info.buffillen = 0;
+ copy_info(&info, "Driver version = %d.%d.%d", VER_MAJOR, VER_MINOR, VER_SUBMINOR);
+ cpqfcTSDecodeGBICtype(&cpqfcHBA->fcChip, &buf[0]);
+ cpqfcTSGetLPSM(&cpqfcHBA->fcChip, &buf[strlen(buf)]);
+ copy_info(&info, "%s\n", buf);
#define DISPLAY_WWN_INFO
#ifdef DISPLAY_WWN_INFO
- copy_info(&info, "WWN database: (\"port_id: 000000\" means disconnected)\n");
- for ( Chan=0; Chan <= host->max_channel; Chan++) {
- DumCmnd.channel = Chan;
- for (Targ=0; Targ <= host->max_id; Targ++) {
- DumCmnd.target = Targ;
- if ((pLoggedInPort = fcFindLoggedInPort( fcChip,
- &DumCmnd, // search Scsi Nexus
- 0, // DON'T search list for FC port id
- NULL, // DON'T search list for FC WWN
- NULL))){ // DON'T care about end of list
- copy_info(&info, "Host: scsi%d Channel: %02d TargetId: %02d -> WWN: ",
- hostno, Chan, Targ);
- for( i=3; i>=0; i--) // copy the LOGIN port's WWN
- copy_info(&info, "%02X", pLoggedInPort->u.ucWWN[i]);
- for( i=7; i>3; i--) // copy the LOGIN port's WWN
- copy_info(&info, "%02X", pLoggedInPort->u.ucWWN[i]);
- copy_info(&info, " port_id: %06X\n", pLoggedInPort->port_id);
- }
- }
- }
+ copy_info(&info, "WWN database: (\"port_id: 000000\" means disconnected)\n");
+ for (Chan = 0; Chan <= host->max_channel; Chan++) {
+ DumCmnd.channel = Chan;
+ for (Targ = 0; Targ <= host->max_id; Targ++) {
+ DumCmnd.target = Targ;
+ if ((pLoggedInPort = fcFindLoggedInPort(fcChip, &DumCmnd, // search Scsi Nexus
+ 0, // DON'T search list for FC port id
+ NULL, // DON'T search list for FC WWN
+ NULL))) { // DON'T care about end of list
+ copy_info(&info, "Host: scsi%d Channel: %02d TargetId: %02d -> WWN: ", hostno, Chan, Targ);
+ for (i = 3; i >= 0; i--) // copy the LOGIN port's WWN
+ copy_info(&info, "%02X", pLoggedInPort->u.ucWWN[i]);
+ for (i = 7; i > 3; i--) // copy the LOGIN port's WWN
+ copy_info(&info, "%02X", pLoggedInPort->u.ucWWN[i]);
+ copy_info(&info, " port_id: %06X\n", pLoggedInPort->port_id);
+ }
+ }
+ }
#endif
-
-
+
+
// Unfortunately, the proc_info buffer isn't big enough
// for everything we would like...
// For FC stats, compile this and turn off WWN stuff above
//#define DISPLAY_FC_STATS
#ifdef DISPLAY_FC_STATS
// get the Fibre Channel statistics
- {
- int DeltaSecs = (jiffies - cpqfcHBA->fcStatsTime) / HZ;
- int days,hours,minutes,secs;
-
- days = DeltaSecs / (3600*24); // days
- hours = (DeltaSecs% (3600*24)) / 3600; // hours
- minutes = (DeltaSecs%3600 /60); // minutes
- secs = DeltaSecs%60; // secs
-copy_info( &info, "Fibre Channel Stats (time dd:hh:mm:ss %02u:%02u:%02u:%02u\n",
- days, hours, minutes, secs);
- }
-
- cpqfcHBA->fcStatsTime = jiffies; // (for next delta)
-
- copy_info( &info, " LinkUp %9u LinkDown %u\n",
- fcChip->fcStats.linkUp, fcChip->fcStats.linkDown);
-
- copy_info( &info, " Loss of Signal %9u Loss of Sync %u\n",
- fcChip->fcStats.LossofSignal, fcChip->fcStats.LossofSync);
-
- copy_info( &info, " Discarded Frames %9u Bad CRC Frame %u\n",
- fcChip->fcStats.Dis_Frm, fcChip->fcStats.Bad_CRC);
-
- copy_info( &info, " TACH LinkFailTX %9u TACH LinkFailRX %u\n",
- fcChip->fcStats.linkFailTX, fcChip->fcStats.linkFailRX);
-
- copy_info( &info, " TACH RxEOFa %9u TACH Elastic Store %u\n",
- fcChip->fcStats.Rx_EOFa, fcChip->fcStats.e_stores);
-
- copy_info( &info, " BufferCreditWait %9uus TACH FM Inits %u\n",
- fcChip->fcStats.BB0_Timer*10, fcChip->fcStats.FMinits );
-
- copy_info( &info, " FC-2 Timeouts %9u FC-2 Logouts %u\n",
- fcChip->fcStats.timeouts, fcChip->fcStats.logouts);
-
- copy_info( &info, " FC-2 Aborts %9u FC-4 Aborts %u\n",
- fcChip->fcStats.FC2aborted, fcChip->fcStats.FC4aborted);
-
- // clear the counters
- cpqfcTSClearLinkStatusCounters( fcChip);
+ {
+ int DeltaSecs = (jiffies - cpqfcHBA->fcStatsTime) / HZ;
+ int days, hours, minutes, secs;
+
+ days = DeltaSecs / (3600 * 24); // days
+ hours = (DeltaSecs % (3600 * 24)) / 3600; // hours
+ minutes = (DeltaSecs % 3600 / 60); // minutes
+ secs = DeltaSecs % 60; // secs
+ copy_info(&info, "Fibre Channel Stats (time dd:hh:mm:ss %02u:%02u:%02u:%02u\n", days, hours, minutes, secs);
+ }
+
+ cpqfcHBA->fcStatsTime = jiffies; // (for next delta)
+
+ copy_info(&info, " LinkUp %9u LinkDown %u\n", fcChip->fcStats.linkUp, fcChip->fcStats.linkDown);
+
+ copy_info(&info, " Loss of Signal %9u Loss of Sync %u\n", fcChip->fcStats.LossofSignal, fcChip->fcStats.LossofSync);
+
+ copy_info(&info, " Discarded Frames %9u Bad CRC Frame %u\n", fcChip->fcStats.Dis_Frm, fcChip->fcStats.Bad_CRC);
+
+ copy_info(&info, " TACH LinkFailTX %9u TACH LinkFailRX %u\n", fcChip->fcStats.linkFailTX, fcChip->fcStats.linkFailRX);
+
+ copy_info(&info, " TACH RxEOFa %9u TACH Elastic Store %u\n", fcChip->fcStats.Rx_EOFa, fcChip->fcStats.e_stores);
+
+ copy_info(&info, " BufferCreditWait %9uus TACH FM Inits %u\n", fcChip->fcStats.BB0_Timer * 10, fcChip->fcStats.FMinits);
+
+ copy_info(&info, " FC-2 Timeouts %9u FC-2 Logouts %u\n", fcChip->fcStats.timeouts, fcChip->fcStats.logouts);
+
+ copy_info(&info, " FC-2 Aborts %9u FC-4 Aborts %u\n", fcChip->fcStats.FC2aborted, fcChip->fcStats.FC4aborted);
+
+ // clear the counters
+ cpqfcTSClearLinkStatusCounters(fcChip);
#endif
-
- return info.buffillen;
+
+ return info.buffillen;
}
#if DEBUG_CMND
-UCHAR *ScsiToAscii( UCHAR ScsiCommand)
+u8 *ScsiToAscii(u8 ScsiCommand)
{
/*++
@@ -1000,152 +876,148 @@
--*/
- switch (ScsiCommand)
- {
- case 0x00:
- return( "Test Unit Ready" );
+ switch (ScsiCommand) {
+ case 0x00:
+ return ("Test Unit Ready");
- case 0x01:
- return( "Rezero Unit or Rewind" );
+ case 0x01:
+ return ("Rezero Unit or Rewind");
- case 0x02:
- return( "Request Block Address" );
+ case 0x02:
+ return ("Request Block Address");
- case 0x03:
- return( "Requese Sense" );
+ case 0x03:
+ return ("Requese Sense");
- case 0x04:
- return( "Format Unit" );
+ case 0x04:
+ return ("Format Unit");
- case 0x05:
- return( "Read Block Limits" );
+ case 0x05:
+ return ("Read Block Limits");
- case 0x07:
- return( "Reassign Blocks" );
+ case 0x07:
+ return ("Reassign Blocks");
- case 0x08:
- return( "Read (6)" );
+ case 0x08:
+ return ("Read (6)");
- case 0x0a:
- return( "Write (6)" );
+ case 0x0a:
+ return ("Write (6)");
- case 0x0b:
- return( "Seek (6)" );
+ case 0x0b:
+ return ("Seek (6)");
- case 0x12:
- return( "Inquiry" );
+ case 0x12:
+ return ("Inquiry");
- case 0x15:
- return( "Mode Select (6)" );
+ case 0x15:
+ return ("Mode Select (6)");
- case 0x16:
- return( "Reserve" );
+ case 0x16:
+ return ("Reserve");
- case 0x17:
- return( "Release" );
+ case 0x17:
+ return ("Release");
- case 0x1a:
- return( "ModeSen(6)" );
+ case 0x1a:
+ return ("ModeSen(6)");
- case 0x1b:
- return( "Start/Stop Unit" );
+ case 0x1b:
+ return ("Start/Stop Unit");
- case 0x1c:
- return( "Receive Diagnostic Results" );
+ case 0x1c:
+ return ("Receive Diagnostic Results");
- case 0x1d:
- return( "Send Diagnostic" );
+ case 0x1d:
+ return ("Send Diagnostic");
- case 0x25:
- return( "Read Capacity" );
+ case 0x25:
+ return ("Read Capacity");
- case 0x28:
- return( "Read (10)" );
+ case 0x28:
+ return ("Read (10)");
- case 0x2a:
- return( "Write (10)" );
+ case 0x2a:
+ return ("Write (10)");
- case 0x2b:
- return( "Seek (10)" );
+ case 0x2b:
+ return ("Seek (10)");
- case 0x2e:
- return( "Write and Verify" );
+ case 0x2e:
+ return ("Write and Verify");
- case 0x2f:
- return( "Verify" );
+ case 0x2f:
+ return ("Verify");
- case 0x34:
- return( "Pre-Fetch" );
+ case 0x34:
+ return ("Pre-Fetch");
- case 0x35:
- return( "Synchronize Cache" );
+ case 0x35:
+ return ("Synchronize Cache");
- case 0x37:
- return( "Read Defect Data (10)" );
+ case 0x37:
+ return ("Read Defect Data (10)");
- case 0x3b:
- return( "Write Buffer" );
+ case 0x3b:
+ return ("Write Buffer");
- case 0x3c:
- return( "Read Buffer" );
+ case 0x3c:
+ return ("Read Buffer");
- case 0x3e:
- return( "Read Long" );
+ case 0x3e:
+ return ("Read Long");
- case 0x3f:
- return( "Write Long" );
+ case 0x3f:
+ return ("Write Long");
- case 0x41:
- return( "Write Same" );
+ case 0x41:
+ return ("Write Same");
- case 0x4c:
- return( "Log Select" );
+ case 0x4c:
+ return ("Log Select");
- case 0x4d:
- return( "Log Sense" );
+ case 0x4d:
+ return ("Log Sense");
- case 0x56:
- return( "Reserve (10)" );
+ case 0x56:
+ return ("Reserve (10)");
- case 0x57:
- return( "Release (10)" );
+ case 0x57:
+ return ("Release (10)");
- case 0xa0:
- return( "ReportLuns" );
+ case 0xa0:
+ return ("ReportLuns");
- case 0xb7:
- return( "Read Defect Data (12)" );
+ case 0xb7:
+ return ("Read Defect Data (12)");
- case 0xca:
- return( "Peripheral Device Addressing SCSI Passthrough" );
+ case 0xca:
+ return ("Peripheral Device Addressing SCSI Passthrough");
- case 0xcb:
- return( "Compaq Array Firmware Passthrough" );
+ case 0xcb:
+ return ("Compaq Array Firmware Passthrough");
- default:
- return( NULL );
- }
+ default:
+ return (NULL);
+ }
-} // end ScsiToAscii()
+} // end ScsiToAscii()
void cpqfcTS_print_scsi_cmd(Scsi_Cmnd * cmd)
{
-printk("cpqfcTS: (%s) chnl 0x%02x, trgt = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
- ScsiToAscii( cmd->cmnd[0]), cmd->channel, cmd->target, cmd->lun, cmd->cmd_len);
+ printk("cpqfcTS: (%s) chnl 0x%02x, trgt = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", ScsiToAscii(cmd->cmnd[0]), cmd->channel, cmd->target, cmd->lun, cmd->cmd_len);
-if( cmd->cmnd[0] == 0) // Test Unit Ready?
-{
- int i;
+ if (cmd->cmnd[0] == 0) // Test Unit Ready?
+ {
+ int i;
- printk("Cmnd->request_bufflen = 0x%X, ->use_sg = %d, ->bufflen = %d\n",
- cmd->request_bufflen, cmd->use_sg, cmd->bufflen);
- printk("Cmnd->request_buffer = %p, ->sglist_len = %d, ->buffer = %p\n",
- cmd->request_buffer, cmd->sglist_len, cmd->buffer);
- for (i = 0; i < cmd->cmd_len; i++)
- printk("0x%02x ", cmd->cmnd[i]);
- printk("\n");
-}
+ printk("Cmnd->request_bufflen = 0x%X, ->use_sg = %d, ->bufflen = %d\n", cmd->request_bufflen, cmd->use_sg, cmd->bufflen);
+ printk("Cmnd->request_buffer = %p, ->sglist_len = %d, ->buffer = %p\n", cmd->request_buffer, cmd->sglist_len, cmd->buffer);
+ for (i = 0; i < cmd->cmd_len; i++)
+ printk("0x%02x ", cmd->cmnd[i]);
+ printk("\n");
+ }
}
@@ -1154,51 +1026,48 @@
-static void QueCmndOnBoardLock( CPQFCHBA *cpqfcHBAdata, Scsi_Cmnd *Cmnd)
+static void QueCmndOnBoardLock(CPQFCHBA * cpqfcHBAdata, Scsi_Cmnd * Cmnd)
{
- int i;
+ int i;
- for( i=0; i< CPQFCTS_REQ_QUEUE_LEN; i++)
- { // find spare slot
- if( cpqfcHBAdata->BoardLockCmnd[i] == NULL )
- {
- cpqfcHBAdata->BoardLockCmnd[i] = Cmnd;
+ for (i = 0; i < CPQFCTS_REQ_QUEUE_LEN; i++) { // find spare slot
+ if (cpqfcHBAdata->BoardLockCmnd[i] == NULL) {
+ cpqfcHBAdata->BoardLockCmnd[i] = Cmnd;
// printk(" BoardLockCmnd[%d] %p Queued, chnl/target/lun %d/%d/%d\n",
// i,Cmnd, Cmnd->channel, Cmnd->target, Cmnd->lun);
- break;
- }
- }
- if( i >= CPQFCTS_REQ_QUEUE_LEN)
- {
- printk(" cpqfcTS WARNING: Lost Cmnd %p on BoardLock Q full!", Cmnd);
- }
+ break;
+ }
+ }
+ if (i >= CPQFCTS_REQ_QUEUE_LEN) {
+ printk(" cpqfcTS WARNING: Lost Cmnd %p on BoardLock Q full!", Cmnd);
+ }
}
-static void QueLinkDownCmnd( CPQFCHBA *cpqfcHBAdata, Scsi_Cmnd *Cmnd)
+static void QueLinkDownCmnd(CPQFCHBA * cpqfcHBAdata, Scsi_Cmnd * Cmnd)
{
- int indx;
+ int indx;
- // Remember the command ptr so we can return; we'll complete when
- // the device comes back, causing immediate retry
- for( indx=0; indx < CPQFCTS_REQ_QUEUE_LEN; indx++)//, SCptr++)
- {
- if( cpqfcHBAdata->LinkDnCmnd[indx] == NULL ) // available?
- {
+ // Remember the command ptr so we can return; we'll complete when
+ // the device comes back, causing immediate retry
+ for (indx = 0; indx < CPQFCTS_REQ_QUEUE_LEN; indx++) //, SCptr++)
+ {
+ if (cpqfcHBAdata->LinkDnCmnd[indx] == NULL) // available?
+ {
#ifdef DUMMYCMND_DBG
- printk(" @add Cmnd %p to LnkDnCmnd[%d]@ ", Cmnd,indx);
+ printk(" @add Cmnd %p to LnkDnCmnd[%d]@ ", Cmnd, indx);
#endif
- cpqfcHBAdata->LinkDnCmnd[indx] = Cmnd;
- break;
- }
- }
-
- if( indx >= CPQFCTS_REQ_QUEUE_LEN ) // no space for Cmnd??
- {
- // this will result in an _abort call later (with possible trouble)
- printk("no buffer for LinkDnCmnd!! %p\n", Cmnd);
- }
+ cpqfcHBAdata->LinkDnCmnd[indx] = Cmnd;
+ break;
+ }
+ }
+
+ if (indx >= CPQFCTS_REQ_QUEUE_LEN) // no space for Cmnd??
+ {
+ // this will result in an _abort call later (with possible trouble)
+ printk("no buffer for LinkDnCmnd!! %p\n", Cmnd);
+ }
}
@@ -1211,185 +1080,162 @@
// for cases that don't go to the hardware like scsi cmds destined
// for LUNs we know don't exist, so this code might be simplified...)
-static void QueBadTargetCmnd( CPQFCHBA *cpqfcHBAdata, Scsi_Cmnd *Cmnd)
+static void QueBadTargetCmnd(CPQFCHBA * cpqfcHBAdata, Scsi_Cmnd * Cmnd)
{
- int i;
- // printk(" can't find target %d\n", Cmnd->target);
+ int i;
+ // printk(" can't find target %d\n", Cmnd->target);
- for( i=0; i< CPQFCTS_MAX_TARGET_ID; i++)
- { // find spare slot
- if( cpqfcHBAdata->BadTargetCmnd[i] == NULL )
- {
- cpqfcHBAdata->BadTargetCmnd[i] = Cmnd;
+ for (i = 0; i < CPQFCTS_MAX_TARGET_ID; i++) { // find spare slot
+ if (cpqfcHBAdata->BadTargetCmnd[i] == NULL) {
+ cpqfcHBAdata->BadTargetCmnd[i] = Cmnd;
// printk(" BadTargetCmnd[%d] %p Queued, chnl/target/lun %d/%d/%d\n",
// i,Cmnd, Cmnd->channel, Cmnd->target, Cmnd->lun);
- break;
- }
- }
+ break;
+ }
+ }
}
// This is the "main" entry point for Linux Scsi commands --
// it all starts here.
-int cpqfcTS_queuecommand(Scsi_Cmnd *Cmnd, void (* done)(Scsi_Cmnd *))
+int cpqfcTS_queuecommand(Scsi_Cmnd * Cmnd, void (*done) (Scsi_Cmnd *))
{
- struct Scsi_Host *HostAdapter = Cmnd->host;
- CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
- PTACHYON fcChip = &cpqfcHBAdata->fcChip;
- TachFCHDR_GCMND fchs; // only use for FC destination id field
- PFC_LOGGEDIN_PORT pLoggedInPort;
- ULONG ulStatus, SESTtype;
- LONG ExchangeID;
+ struct Scsi_Host *HostAdapter = Cmnd->host;
+ CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
+ PTACHYON fcChip = &cpqfcHBAdata->fcChip;
+ TachFCHDR_GCMND fchs; // only use for FC destination id field
+ PFC_LOGGEDIN_PORT pLoggedInPort;
+ u32 ulStatus, SESTtype;
+ s32 ExchangeID;
+
+
+ ENTER("cpqfcTS_queuecommand");
+ PCI_TRACEO((u32) Cmnd, 0x98)
- ENTER("cpqfcTS_queuecommand");
-
- PCI_TRACEO( (ULONG)Cmnd, 0x98)
-
-
- Cmnd->scsi_done = done;
-#ifdef DEBUG_CMND
- cpqfcTS_print_scsi_cmd( Cmnd);
+
+ Cmnd->scsi_done = done;
+#ifdef DEBUG_CMND
+ cpqfcTS_print_scsi_cmd(Cmnd);
#endif
- // prevent board contention with kernel thread...
-
- if( cpqfcHBAdata->BoardLock )
- {
+ // prevent board contention with kernel thread...
+
+ if (cpqfcHBAdata->BoardLock) {
// printk(" @BrdLck Hld@ ");
- QueCmndOnBoardLock( cpqfcHBAdata, Cmnd);
- }
-
- else
- {
-
- // in the current system (2.2.12), this routine is called
- // after spin_lock_irqsave(), so INTs are disabled. However,
- // we might have something pending in the LinkQ, which
- // might cause the WorkerTask to run. In case that
- // happens, make sure we lock it out.
-
-
-
- PCI_TRACE( 0x98)
- CPQ_SPINLOCK_HBA( cpqfcHBAdata)
- PCI_TRACE( 0x98)
-
- // can we find an FC device mapping to this SCSI target?
- pLoggedInPort = fcFindLoggedInPort( fcChip,
- Cmnd, // search Scsi Nexus
- 0, // DON'T search linked list for FC port id
- NULL, // DON'T search linked list for FC WWN
- NULL); // DON'T care about end of list
-
- if( pLoggedInPort == NULL ) // not found!
- {
+ QueCmndOnBoardLock(cpqfcHBAdata, Cmnd);
+ }
+
+ else {
+
+ // in the current system (2.2.12), this routine is called
+ // after spin_lock_irqsave(), so INTs are disabled. However,
+ // we might have something pending in the LinkQ, which
+ // might cause the WorkerTask to run. In case that
+ // happens, make sure we lock it out.
+
+
+
+ PCI_TRACE(0x98)
+ CPQ_SPINLOCK_HBA(cpqfcHBAdata)
+ PCI_TRACE(0x98)
+ // can we find an FC device mapping to this SCSI target?
+ pLoggedInPort = fcFindLoggedInPort(fcChip, Cmnd, // search Scsi Nexus
+ 0, // DON'T search linked list for FC port id
+ NULL, // DON'T search linked list for FC WWN
+ NULL); // DON'T care about end of list
+
+ if (pLoggedInPort == NULL) // not found!
+ {
// printk(" @Q bad targ cmnd %p@ ", Cmnd);
- QueBadTargetCmnd( cpqfcHBAdata, Cmnd);
- }
- else if (Cmnd->lun >= CPQFCTS_MAX_LUN)
- {
- printk(KERN_WARNING "cpqfc: Invalid LUN: %d\n", Cmnd->lun);
- QueBadTargetCmnd( cpqfcHBAdata, Cmnd);
- }
-
- else // we know what FC device to send to...
- {
-
- // does this device support FCP target functions?
- // (determined by PRLI field)
-
- if( !(pLoggedInPort->fcp_info & TARGET_FUNCTION) )
- {
- printk(" Doesn't support TARGET functions port_id %Xh\n",
- pLoggedInPort->port_id );
- QueBadTargetCmnd( cpqfcHBAdata, Cmnd);
- }
-
- // In this case (previous login OK), the device is temporarily
- // unavailable waiting for re-login, in which case we expect it
- // to be back in between 25 - 500ms.
- // If the FC port doesn't log back in within several seconds
- // (i.e. implicit "logout"), or we get an explicit logout,
- // we set "device_blocked" in Scsi_Device struct; in this
- // case 30 seconds will elapse before Linux/Scsi sends another
- // command to the device.
- else if( pLoggedInPort->prli != TRUE )
- {
+ QueBadTargetCmnd(cpqfcHBAdata, Cmnd);
+ } else if (Cmnd->lun >= CPQFCTS_MAX_LUN) {
+ printk(KERN_WARNING "cpqfc: Invalid LUN: %d\n", Cmnd->lun);
+ QueBadTargetCmnd(cpqfcHBAdata, Cmnd);
+ }
+
+ else // we know what FC device to send to...
+ {
+
+ // does this device support FCP target functions?
+ // (determined by PRLI field)
+
+ if (!(pLoggedInPort->fcp_info & TARGET_FUNCTION)) {
+ printk(" Doesn't support TARGET functions port_id %Xh\n", pLoggedInPort->port_id);
+ QueBadTargetCmnd(cpqfcHBAdata, Cmnd);
+ }
+ // In this case (previous login OK), the device is temporarily
+ // unavailable waiting for re-login, in which case we expect it
+ // to be back in between 25 - 500ms.
+ // If the FC port doesn't log back in within several seconds
+ // (i.e. implicit "logout"), or we get an explicit logout,
+ // we set "device_blocked" in Scsi_Device struct; in this
+ // case 30 seconds will elapse before Linux/Scsi sends another
+ // command to the device.
+ else if (pLoggedInPort->prli != TRUE) {
// printk("Device (Chnl/Target %d/%d) invalid PRLI, port_id %06lXh\n",
// Cmnd->channel, Cmnd->target, pLoggedInPort->port_id);
- QueLinkDownCmnd( cpqfcHBAdata, Cmnd);
-// Need to use "blocked" flag??
-// Cmnd->device->device_blocked = TRUE; // just let it timeout
- }
- else // device supports TARGET functions, and is logged in...
- {
- // (context of fchs is to "reply" to...)
- fchs.s_id = pLoggedInPort->port_id; // destination FC address
-
- // what is the data direction? For data TO the device,
- // we need IWE (Intiator Write Entry). Otherwise, IRE.
-
- if( Cmnd->cmnd[0] == WRITE_10 ||
- Cmnd->cmnd[0] == WRITE_6 ||
- Cmnd->cmnd[0] == WRITE_BUFFER ||
- Cmnd->cmnd[0] == VENDOR_WRITE_OPCODE || // CPQ specific
- Cmnd->cmnd[0] == MODE_SELECT )
- {
- SESTtype = SCSI_IWE; // data from HBA to Device
- }
- else
- SESTtype = SCSI_IRE; // data from Device to HBA
-
- ulStatus = cpqfcTSBuildExchange(
- cpqfcHBAdata,
- SESTtype, // e.g. Initiator Read Entry (IRE)
- &fchs, // we are originator; only use d_id
- Cmnd, // Linux SCSI command (with scatter/gather list)
- &ExchangeID );// fcController->fcExchanges index, -1 if failed
+ QueLinkDownCmnd(cpqfcHBAdata, Cmnd);
+// Need to use "blocked" flag??
+// Cmnd->device->device_blocked = TRUE; // just let it timeout
+ } else // device supports TARGET functions, and is logged in...
+ {
+ // (context of fchs is to "reply" to...)
+ fchs.s_id = pLoggedInPort->port_id; // destination FC address
+
+ // what is the data direction? For data TO the device,
+ // we need IWE (Intiator Write Entry). Otherwise, IRE.
+
+ if (Cmnd->cmnd[0] == WRITE_10 || Cmnd->cmnd[0] == WRITE_6 || Cmnd->cmnd[0] == WRITE_BUFFER || Cmnd->cmnd[0] == VENDOR_WRITE_OPCODE || // CPQ specific
+ Cmnd->cmnd[0] == MODE_SELECT) {
+ SESTtype = SCSI_IWE; // data from HBA to Device
+ } else
+ SESTtype = SCSI_IRE; // data from Device to HBA
+
+ ulStatus = cpqfcTSBuildExchange(cpqfcHBAdata, SESTtype, // e.g. Initiator Read Entry (IRE)
+ &fchs, // we are originator; only use d_id
+ Cmnd, // Linux SCSI command (with scatter/gather list)
+ &ExchangeID); // fcController->fcExchanges index, -1 if failed
+
+ if (!ulStatus) // Exchange setup?
+
+ {
+ if (cpqfcHBAdata->BoardLock) {
+ TriggerHBA(fcChip->Registers.ReMapMemBase, 0);
+ printk(" @bl! %d, xID %Xh@ ", current->pid, ExchangeID);
+ }
+
+ ulStatus = cpqfcTSStartExchange(cpqfcHBAdata, ExchangeID);
+ if (!ulStatus) {
+ PCI_TRACEO(ExchangeID, 0xB8)
+ // submitted to Tach's Outbound Que (ERQ PI incremented)
+ // waited for completion for ELS type (Login frames issued
+ // synchronously)
+ } else
+ // check reason for Exchange not being started - we might
+ // want to Queue and start later, or fail with error
+ {
+ printk("quecommand: cpqfcTSStartExchange failed: %Xh\n", ulStatus);
+ }
+ } // end good BuildExchange status
+
+ else // SEST table probably full -- why? hardware hang?
+ {
+ printk("quecommand: cpqfcTSBuildExchange faild: %Xh\n", ulStatus);
+ }
+ } // end can't do FCP-SCSI target functions
+ } // end can't find target (FC device)
- if( !ulStatus ) // Exchange setup?
-
- {
- if( cpqfcHBAdata->BoardLock )
- {
- TriggerHBA( fcChip->Registers.ReMapMemBase, 0);
- printk(" @bl! %d, xID %Xh@ ", current->pid, ExchangeID);
- }
-
- ulStatus = cpqfcTSStartExchange( cpqfcHBAdata, ExchangeID );
- if( !ulStatus )
- {
- PCI_TRACEO( ExchangeID, 0xB8)
- // submitted to Tach's Outbound Que (ERQ PI incremented)
- // waited for completion for ELS type (Login frames issued
- // synchronously)
- }
- else
- // check reason for Exchange not being started - we might
- // want to Queue and start later, or fail with error
- {
- printk("quecommand: cpqfcTSStartExchange failed: %Xh\n", ulStatus );
- }
- } // end good BuildExchange status
-
- else // SEST table probably full -- why? hardware hang?
- {
- printk("quecommand: cpqfcTSBuildExchange faild: %Xh\n", ulStatus);
- }
- } // end can't do FCP-SCSI target functions
- } // end can't find target (FC device)
-
- CPQ_SPINUNLOCK_HBA( cpqfcHBAdata)
- }
-
- PCI_TRACEO( (ULONG)Cmnd, 0x9C)
- LEAVE("cpqfcTS_queuecommand");
- return 0;
-}
+ CPQ_SPINUNLOCK_HBA(cpqfcHBAdata)
+ }
+
+ PCI_TRACEO((u32) Cmnd, 0x9C)
+ LEAVE("cpqfcTS_queuecommand");
+ return 0;
+}
// Entry point for upper Scsi layer intiated abort. Typically
@@ -1403,148 +1249,140 @@
// errors, it should be considered a driver error and reported to
// the author.
-int cpqfcTS_abort(Scsi_Cmnd *Cmnd)
+int cpqfcTS_abort(Scsi_Cmnd * Cmnd)
{
-// printk(" cpqfcTS_abort called?? \n");
- return 0;
+// printk(" cpqfcTS_abort called?? \n");
+ return 0;
}
-
-int cpqfcTS_eh_abort(Scsi_Cmnd *Cmnd)
+
+int cpqfcTS_eh_abort(Scsi_Cmnd * Cmnd)
{
- struct Scsi_Host *HostAdapter = Cmnd->host;
- // get the pointer to our Scsi layer HBA buffer
- CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *)HostAdapter->hostdata;
- PTACHYON fcChip = &cpqfcHBAdata->fcChip;
- FC_EXCHANGES *Exchanges = fcChip->Exchanges;
- int i;
- ENTER("cpqfcTS_eh_abort");
-
- Cmnd->result = DID_ABORT <<16; // assume we'll find it
-
- printk(" @Linux _abort Scsi_Cmnd %p ", Cmnd);
- // See if we can find a Cmnd pointer that matches...
- // The most likely case is we accepted the command
- // from Linux Scsi (e.g. ceated a SEST entry) and it
- // got lost somehow. If we can't find any reference
- // to the passed pointer, we can only presume it
- // got completed as far as our driver is concerned.
- // If we found it, we will try to abort it through
- // common mechanism. If FC ABTS is successful (ACC)
- // or is rejected (RJT) by target, we will call
- // Scsi "done" quickly. Otherwise, the ABTS will timeout
- // and we'll call "done" later.
-
- // Search the SEST exchanges for a matching Cmnd ptr.
- for( i=0; i< TACH_SEST_LEN; i++)
- {
- if( Exchanges->fcExchange[i].Cmnd == Cmnd )
- {
-
- // found it!
- printk(" x_ID %Xh, type %Xh\n", i, Exchanges->fcExchange[i].type);
-
- Exchanges->fcExchange[i].status = INITIATOR_ABORT; // seconds default
- Exchanges->fcExchange[i].timeOut = 10; // seconds default (changed later)
-
- // Since we need to immediately return the aborted Cmnd to Scsi
- // upper layers, we can't make future reference to any of it's
- // fields (e.g the Nexus).
-
- cpqfcTSPutLinkQue( cpqfcHBAdata, BLS_ABTS, &i);
-
- break;
- }
- }
-
- if( i >= TACH_SEST_LEN ) // didn't find Cmnd ptr in chip's SEST?
- {
- // now search our non-SEST buffers (i.e. Cmnd waiting to
- // start on the HBA or waiting to complete with error for retry).
-
- // first check BadTargetCmnd
- for( i=0; i< CPQFCTS_MAX_TARGET_ID; i++)
- {
- if( cpqfcHBAdata->BadTargetCmnd[i] == Cmnd )
- {
- cpqfcHBAdata->BadTargetCmnd[i] = NULL;
- printk("in BadTargetCmnd Q\n");
- goto Done; // exit
- }
- }
-
- // if not found above...
-
- for( i=0; i < CPQFCTS_REQ_QUEUE_LEN; i++)
- {
- if( cpqfcHBAdata->LinkDnCmnd[i] == Cmnd )
- {
- cpqfcHBAdata->LinkDnCmnd[i] = NULL;
- printk("in LinkDnCmnd Q\n");
- goto Done;
- }
- }
-
-
- for( i=0; i< CPQFCTS_REQ_QUEUE_LEN; i++)
- { // find spare slot
- if( cpqfcHBAdata->BoardLockCmnd[i] == Cmnd )
- {
- cpqfcHBAdata->BoardLockCmnd[i] = NULL;
- printk("in BoardLockCmnd Q\n");
- goto Done;
- }
- }
-
- Cmnd->result = DID_ERROR <<16; // Hmmm...
- printk("Not found! ");
+ struct Scsi_Host *HostAdapter = Cmnd->host;
+ // get the pointer to our Scsi layer HBA buffer
+ CPQFCHBA *cpqfcHBAdata = (CPQFCHBA *) HostAdapter->hostdata;
+ PTACHYON fcChip = &cpqfcHBAdata->fcChip;
+ FC_EXCHANGES *Exchanges = fcChip->Exchanges;
+ int i;
+ ENTER("cpqfcTS_eh_abort");
+
+ Cmnd->result = DID_ABORT << 16; // assume we'll find it
+
+ printk(" @Linux _abort Scsi_Cmnd %p ", Cmnd);
+ // See if we can find a Cmnd pointer that matches...
+ // The most likely case is we accepted the command
+ // from Linux Scsi (e.g. ceated a SEST entry) and it
+ // got lost somehow. If we can't find any reference
+ // to the passed pointer, we can only presume it
+ // got completed as far as our driver is concerned.
+ // If we found it, we will try to abort it through
+ // common mechanism. If FC ABTS is successful (ACC)
+ // or is rejected (RJT) by target, we will call
+ // Scsi "done" quickly. Otherwise, the ABTS will timeout
+ // and we'll call "done" later.
+
+ // Search the SEST exchanges for a matching Cmnd ptr.
+ for (i = 0; i < TACH_SEST_LEN; i++) {
+ if (Exchanges->fcExchange[i].Cmnd == Cmnd) {
+
+ // found it!
+ printk(" x_ID %Xh, type %Xh\n", i, Exchanges->fcExchange[i].type);
+
+ Exchanges->fcExchange[i].status = INITIATOR_ABORT; // seconds default
+ Exchanges->fcExchange[i].timeOut = 10; // seconds default (changed later)
+
+ // Since we need to immediately return the aborted Cmnd to Scsi
+ // upper layers, we can't make future reference to any of it's
+ // fields (e.g the Nexus).
+
+ cpqfcTSPutLinkQue(cpqfcHBAdata, BLS_ABTS, &i);
+
+ break;
+ }
+ }
+
+ if (i >= TACH_SEST_LEN) // didn't find Cmnd ptr in chip's SEST?
+ {
+ // now search our non-SEST buffers (i.e. Cmnd waiting to
+ // start on the HBA or waiting to complete with error for retry).
+
+ // first check BadTargetCmnd
+ for (i = 0; i < CPQFCTS_MAX_TARGET_ID; i++) {
+ if (cpqfcHBAdata->BadTargetCmnd[i] == Cmnd) {
+ cpqfcHBAdata->BadTargetCmnd[i] = NULL;
+ printk("in BadTargetCmnd Q\n");
+ goto Done; // exit
+ }
+ }
+
+ // if not found above...
+
+ for (i = 0; i < CPQFCTS_REQ_QUEUE_LEN; i++) {
+ if (cpqfcHBAdata->LinkDnCmnd[i] == Cmnd) {
+ cpqfcHBAdata->LinkDnCmnd[i] = NULL;
+ printk("in LinkDnCmnd Q\n");
+ goto Done;
+ }
+ }
+
+
+ for (i = 0; i < CPQFCTS_REQ_QUEUE_LEN; i++) { // find spare slot
+ if (cpqfcHBAdata->BoardLockCmnd[i] == Cmnd) {
+ cpqfcHBAdata->BoardLockCmnd[i] = NULL;
+ printk("in BoardLockCmnd Q\n");
+ goto Done;
+ }
+ }
+
+ Cmnd->result = DID_ERROR << 16; // Hmmm...
+ printk("Not found! ");
// panic("_abort");
- }
-
-Done:
-
+ }
+
+ Done:
+
// panic("_abort");
- LEAVE("cpqfcTS_eh_abort");
- return 0; // (see scsi.h)
-}
+ LEAVE("cpqfcTS_eh_abort");
+ return 0; // (see scsi.h)
+}
// FCP-SCSI Target Device Reset
// See dpANS Fibre Channel Protocol for SCSI
// X3.269-199X revision 12, pg 25
-int cpqfcTS_TargetDeviceReset( Scsi_Device *ScsiDev,
- unsigned int reset_flags)
+int cpqfcTS_TargetDeviceReset(Scsi_Device * ScsiDev, unsigned int reset_flags)
{
- int timeout = 10*HZ;
- int retries = 1;
- char scsi_cdb[12];
- int result;
- Scsi_Cmnd * SCpnt;
- Scsi_Device * SDpnt;
-
-
- // printk(" ENTERING cpqfcTS_TargetDeviceReset() - flag=%d \n",reset_flags);
-
- if (ScsiDev->host->eh_active) return FAILED;
-
- memset( scsi_cdb, 0, sizeof( scsi_cdb));
-
- scsi_cdb[0] = RELEASE;
-
- // allocate with wait = true, interruptible = false
- SCpnt = scsi_allocate_device(ScsiDev, 1, 0);
- {
- CPQFC_DECLARE_COMPLETION(wait);
-
- SCpnt->SCp.buffers_residual = FCP_TARGET_RESET;
-
- SCpnt->request.CPQFC_WAITING = &wait;
- scsi_do_cmd(SCpnt, scsi_cdb, NULL, 0, my_ioctl_done, timeout, retries);
- CPQFC_WAIT_FOR_COMPLETION(&wait);
- SCpnt->request.CPQFC_WAITING = NULL;
- }
-
+ int timeout = 10 * HZ;
+ int retries = 1;
+ char scsi_cdb[12];
+ int result;
+ Scsi_Cmnd *SCpnt;
+ Scsi_Device *SDpnt;
+
+
+ // printk(" ENTERING cpqfcTS_TargetDeviceReset() - flag=%d \n",reset_flags);
+
+ if (ScsiDev->host->eh_active)
+ return FAILED;
+
+ memset(scsi_cdb, 0, sizeof(scsi_cdb));
+
+ scsi_cdb[0] = RELEASE;
+
+ // allocate with wait = true, interruptible = false
+ SCpnt = scsi_allocate_device(ScsiDev, 1, 0);
+ {
+ CPQFC_DECLARE_COMPLETION(wait);
+
+ SCpnt->SCp.buffers_residual = FCP_TARGET_RESET;
+
+ SCpnt->request.CPQFC_WAITING = &wait;
+ scsi_do_cmd(SCpnt, scsi_cdb, NULL, 0, my_ioctl_done, timeout, retries);
+ CPQFC_WAIT_FOR_COMPLETION(&wait);
+ SCpnt->request.CPQFC_WAITING = NULL;
+ }
+
/*
if(driver_byte(SCpnt->result) != 0)
switch(SCpnt->sense_buffer[2] & 0xf) {
@@ -1577,41 +1415,41 @@
SCpnt->sense_buffer[2] & 0xf);
};
-*/
- result = SCpnt->result;
+*/
+ result = SCpnt->result;
- SDpnt = SCpnt->device;
- scsi_release_command(SCpnt);
- SCpnt = NULL;
+ SDpnt = SCpnt->device;
+ scsi_release_command(SCpnt);
+ SCpnt = NULL;
- // if (!SDpnt->was_reset && SDpnt->scsi_request_fn)
- // (*SDpnt->scsi_request_fn)();
+ // if (!SDpnt->was_reset && SDpnt->scsi_request_fn)
+ // (*SDpnt->scsi_request_fn)();
- wake_up(&SDpnt->scpnt_wait);
- // printk(" LEAVING cpqfcTS_TargetDeviceReset() - return SUCCESS \n");
- return SUCCESS;
+ wake_up(&SDpnt->scpnt_wait);
+ // printk(" LEAVING cpqfcTS_TargetDeviceReset() - return SUCCESS \n");
+ return SUCCESS;
}
-int cpqfcTS_eh_device_reset(Scsi_Cmnd *Cmnd)
+int cpqfcTS_eh_device_reset(Scsi_Cmnd * Cmnd)
{
- int retval;
- Scsi_Device *SDpnt = Cmnd->device;
- // printk(" ENTERING cpqfcTS_eh_device_reset() \n");
- spin_unlock_irq(&io_request_lock);
- retval = cpqfcTS_TargetDeviceReset( SDpnt, 0);
- spin_lock_irq(&io_request_lock);
- return retval;
+ int retval;
+ Scsi_Device *SDpnt = Cmnd->device;
+ // printk(" ENTERING cpqfcTS_eh_device_reset() \n");
+ spin_unlock_irq(&io_request_lock);
+ retval = cpqfcTS_TargetDeviceReset(SDpnt, 0);
+ spin_lock_irq(&io_request_lock);
+ return retval;
}
-
-int cpqfcTS_reset(Scsi_Cmnd *Cmnd, unsigned int reset_flags)
+
+int cpqfcTS_reset(Scsi_Cmnd * Cmnd, unsigned int reset_flags)
{
- ENTER("cpqfcTS_reset");
+ ENTER("cpqfcTS_reset");
- LEAVE("cpqfcTS_reset");
- return SCSI_RESET_ERROR; /* Bus Reset Not supported */
+ LEAVE("cpqfcTS_reset");
+ return SCSI_RESET_ERROR; /* Bus Reset Not supported */
}
/* This function determines the bios parameters for a given
@@ -1621,228 +1459,210 @@
(from hosts.h)
*/
-int cpqfcTS_biosparam(Disk *disk, kdev_t n, int ip[])
+int cpqfcTS_biosparam(Disk * disk, kdev_t n, int ip[])
{
- int size = disk->capacity;
-
- ENTER("cpqfcTS_biosparam");
- ip[0] = 64;
- ip[1] = 32;
- ip[2] = size >> 11;
-
- if( ip[2] > 1024 )
- {
- ip[0] = 255;
- ip[1] = 63;
- ip[2] = size / (ip[0] * ip[1]);
- }
-
- LEAVE("cpqfcTS_biosparam");
- return 0;
-}
+ int size = disk->capacity;
+ ENTER("cpqfcTS_biosparam");
+ ip[0] = 64;
+ ip[1] = 32;
+ ip[2] = size >> 11;
+
+ if (ip[2] > 1024) {
+ ip[0] = 255;
+ ip[1] = 63;
+ ip[2] = size / (ip[0] * ip[1]);
+ }
+ LEAVE("cpqfcTS_biosparam");
+ return 0;
+}
-void cpqfcTS_intr_handler( int irq,
- void *dev_id,
- struct pt_regs *regs)
-{
-
- unsigned long flags, InfLoopBrk=0;
- struct Scsi_Host *HostAdapter = dev_id;
- CPQFCHBA *cpqfcHBA = (CPQFCHBA *)HostAdapter->hostdata;
- int MoreMessages = 1; // assume we have something to do
- UCHAR IntPending;
-
- ENTER("intr_handler");
-
- spin_lock_irqsave( &io_request_lock, flags);
- // is this our INT?
- IntPending = readb( cpqfcHBA->fcChip.Registers.INTPEND.address);
- // broken boards can generate messages forever, so
- // prevent the infinite loop
+
+void cpqfcTS_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+
+ unsigned long flags, InfLoopBrk = 0;
+ struct Scsi_Host *HostAdapter = dev_id;
+ CPQFCHBA *cpqfcHBA = (CPQFCHBA *) HostAdapter->hostdata;
+ int MoreMessages = 1; // assume we have something to do
+ u8 IntPending;
+
+ ENTER("intr_handler");
+
+ spin_lock_irqsave(&io_request_lock, flags);
+ // is this our INT?
+ IntPending = readb(cpqfcHBA->fcChip.Registers.INTPEND.address);
+
+ // broken boards can generate messages forever, so
+ // prevent the infinite loop
#define INFINITE_IMQ_BREAK 10000
- if( IntPending )
- {
-
- // mask our HBA interrupts until we handle it...
- writeb( 0, cpqfcHBA->fcChip.Registers.INTEN.address);
-
- if( IntPending & 0x4) // "INT" - Tach wrote to IMQ
- {
- while( (++InfLoopBrk < INFINITE_IMQ_BREAK) && (MoreMessages ==1) )
- {
- MoreMessages = CpqTsProcessIMQEntry( HostAdapter); // ret 0 when done
- }
- if( InfLoopBrk >= INFINITE_IMQ_BREAK )
- {
- printk("WARNING: Compaq FC adapter generating excessive INTs -REPLACE\n");
- printk("or investigate alternate causes (e.g. physical FC layer)\n");
- }
-
- else // working normally - re-enable INTs and continue
- writeb( 0x1F, cpqfcHBA->fcChip.Registers.INTEN.address);
-
- } // (...ProcessIMQEntry() clears INT by writing IMQ consumer)
- else // indications of errors or problems...
- // these usually indicate critical system hardware problems.
- {
- if( IntPending & 0x10 )
- printk(" cpqfcTS adapter external memory parity error detected\n");
- if( IntPending & 0x8 )
- printk(" cpqfcTS adapter PCI master address crossed 45-bit boundary\n");
- if( IntPending & 0x2 )
- printk(" cpqfcTS adapter DMA error detected\n");
- if( IntPending & 0x1 ) {
- UCHAR IntStat;
- printk(" cpqfcTS adapter PCI error detected\n");
- IntStat = readb( cpqfcHBA->fcChip.Registers.INTSTAT.address);
- if (IntStat & 0x4) printk("(INT)\n");
- if (IntStat & 0x8)
- printk("CRS: PCI master address crossed 46 bit bouandary\n");
- if (IntStat & 0x10) printk("MRE: external memory parity error.\n");
- }
- }
- }
- spin_unlock_irqrestore( &io_request_lock, flags);
- LEAVE("intr_handler");
+ if (IntPending) {
+
+ // mask our HBA interrupts until we handle it...
+ writeb(0, cpqfcHBA->fcChip.Registers.INTEN.address);
+
+ if (IntPending & 0x4) // "INT" - Tach wrote to IMQ
+ {
+ while ((++InfLoopBrk < INFINITE_IMQ_BREAK) && (MoreMessages == 1)) {
+ MoreMessages = CpqTsProcessIMQEntry(HostAdapter); // ret 0 when done
+ }
+ if (InfLoopBrk >= INFINITE_IMQ_BREAK) {
+ printk("WARNING: Compaq FC adapter generating excessive INTs -REPLACE\n");
+ printk("or investigate alternate causes (e.g. physical FC layer)\n");
+ }
+
+ else // working normally - re-enable INTs and continue
+ writeb(0x1F, cpqfcHBA->fcChip.Registers.INTEN.address);
+
+ } // (...ProcessIMQEntry() clears INT by writing IMQ consumer)
+ else // indications of errors or problems...
+ // these usually indicate critical system hardware problems.
+ {
+ if (IntPending & 0x10)
+ printk(" cpqfcTS adapter external memory parity error detected\n");
+ if (IntPending & 0x8)
+ printk(" cpqfcTS adapter PCI master address crossed 45-bit boundary\n");
+ if (IntPending & 0x2)
+ printk(" cpqfcTS adapter DMA error detected\n");
+ if (IntPending & 0x1) {
+ u8 IntStat;
+ printk(" cpqfcTS adapter PCI error detected\n");
+ IntStat = readb(cpqfcHBA->fcChip.Registers.INTSTAT.address);
+ if (IntStat & 0x4)
+ printk("(INT)\n");
+ if (IntStat & 0x8)
+ printk("CRS: PCI master address crossed 46 bit bouandary\n");
+ if (IntStat & 0x10)
+ printk("MRE: external memory parity error.\n");
+ }
+ }
+ }
+ spin_unlock_irqrestore(&io_request_lock, flags);
+ LEAVE("intr_handler");
}
-int cpqfcTSDecodeGBICtype( PTACHYON fcChip, char cErrorString[])
-{
- // Verify GBIC type (if any) and correct Tachyon Port State Machine
- // (GBIC) module definition is:
- // GPIO1, GPIO0, GPIO4 for MD2, MD1, MD0. The input states appear
- // to be inverted -- i.e., a setting of 111 is read when there is NO
- // GBIC present. The Module Def (MD) spec says 000 is "no GBIC"
- // Hard code the bit states to detect Copper,
- // Long wave (single mode), Short wave (multi-mode), and absent GBIC
-
- ULONG ulBuff;
-
- sprintf( cErrorString, "\nGBIC detected: ");
-
- ulBuff = fcChip->Registers.TYstatus.value & 0x13;
- switch( ulBuff )
- {
- case 0x13: // GPIO4, GPIO1, GPIO0 = 111; no GBIC!
- sprintf( &cErrorString[ strlen( cErrorString)],
- "NONE! ");
- return FALSE;
-
-
- case 0x11: // Copper GBIC detected
- sprintf( &cErrorString[ strlen( cErrorString)],
- "Copper. ");
- break;
-
- case 0x10: // Long-wave (single mode) GBIC detected
- sprintf( &cErrorString[ strlen( cErrorString)],
- "Long-wave. ");
- break;
- case 0x1: // Short-wave (multi mode) GBIC detected
- sprintf( &cErrorString[ strlen( cErrorString)],
- "Short-wave. ");
- break;
- default: // unknown GBIC - presumably it will work (?)
- sprintf( &cErrorString[ strlen( cErrorString)],
- "Unknown. ");
-
- break;
- } // end switch GBIC detection
-
- return TRUE;
-}
+int cpqfcTSDecodeGBICtype(PTACHYON fcChip, char cErrorString[])
+{
+ // Verify GBIC type (if any) and correct Tachyon Port State Machine
+ // (GBIC) module definition is:
+ // GPIO1, GPIO0, GPIO4 for MD2, MD1, MD0. The input states appear
+ // to be inverted -- i.e., a setting of 111 is read when there is NO
+ // GBIC present. The Module Def (MD) spec says 000 is "no GBIC"
+ // Hard code the bit states to detect Copper,
+ // Long wave (single mode), Short wave (multi-mode), and absent GBIC
+ u32 ulBuff;
+ sprintf(cErrorString, "\nGBIC detected: ");
+ ulBuff = fcChip->Registers.TYstatus.value & 0x13;
+ switch (ulBuff) {
+ case 0x13: // GPIO4, GPIO1, GPIO0 = 111; no GBIC!
+ sprintf(&cErrorString[strlen(cErrorString)], "NONE! ");
+ return FALSE;
+ case 0x11: // Copper GBIC detected
+ sprintf(&cErrorString[strlen(cErrorString)], "Copper. ");
+ break;
+
+ case 0x10: // Long-wave (single mode) GBIC detected
+ sprintf(&cErrorString[strlen(cErrorString)], "Long-wave. ");
+ break;
+ case 0x1: // Short-wave (multi mode) GBIC detected
+ sprintf(&cErrorString[strlen(cErrorString)], "Short-wave. ");
+ break;
+ default: // unknown GBIC - presumably it will work (?)
+ sprintf(&cErrorString[strlen(cErrorString)], "Unknown. ");
-int cpqfcTSGetLPSM( PTACHYON fcChip, char cErrorString[])
-{
- // Tachyon's Frame Manager LPSM in LinkDown state?
- // (For non-loop port, check PSM instead.)
- // return string with state and FALSE is Link Down
-
- int LinkUp;
-
- if( fcChip->Registers.FMstatus.value & 0x80 )
- LinkUp = FALSE;
- else
- LinkUp = TRUE;
-
- sprintf( &cErrorString[ strlen( cErrorString)],
- " LPSM %Xh ",
- (fcChip->Registers.FMstatus.value >>4) & 0xf );
-
-
- switch( fcChip->Registers.FMstatus.value & 0xF0)
- {
- // bits set in LPSM
- case 0x10:
- sprintf( &cErrorString[ strlen( cErrorString)], "ARB");
- break;
- case 0x20:
- sprintf( &cErrorString[ strlen( cErrorString)], "ARBwon");
- break;
- case 0x30:
- sprintf( &cErrorString[ strlen( cErrorString)], "OPEN");
- break;
- case 0x40:
- sprintf( &cErrorString[ strlen( cErrorString)], "OPENed");
- break;
- case 0x50:
- sprintf( &cErrorString[ strlen( cErrorString)], "XmitCLS");
- break;
- case 0x60:
- sprintf( &cErrorString[ strlen( cErrorString)], "RxCLS");
- break;
- case 0x70:
- sprintf( &cErrorString[ strlen( cErrorString)], "Xfer");
- break;
- case 0x80:
- sprintf( &cErrorString[ strlen( cErrorString)], "Init");
- break;
- case 0x90:
- sprintf( &cErrorString[ strlen( cErrorString)], "O-IInitFin");
- break;
- case 0xa0:
- sprintf( &cErrorString[ strlen( cErrorString)], "O-IProtocol");
- break;
- case 0xb0:
- sprintf( &cErrorString[ strlen( cErrorString)], "O-ILipRcvd");
- break;
- case 0xc0:
- sprintf( &cErrorString[ strlen( cErrorString)], "HostControl");
- break;
- case 0xd0:
- sprintf( &cErrorString[ strlen( cErrorString)], "LoopFail");
- break;
- case 0xe0:
- sprintf( &cErrorString[ strlen( cErrorString)], "Offline");
- break;
- case 0xf0:
- sprintf( &cErrorString[ strlen( cErrorString)], "OldPort");
- break;
- case 0:
- default:
- sprintf( &cErrorString[ strlen( cErrorString)], "Monitor");
- break;
-
- }
+ break;
+ } // end switch GBIC detection
- return LinkUp;
+ return TRUE;
}
-#include "linux/slab.h"
+
+
+int cpqfcTSGetLPSM(PTACHYON fcChip, char cErrorString[])
+{
+ // Tachyon's Frame Manager LPSM in LinkDown state?
+ // (For non-loop port, check PSM instead.)
+ // return string with state and FALSE is Link Down
+
+ int LinkUp;
+
+ if (fcChip->Registers.FMstatus.value & 0x80)
+ LinkUp = FALSE;
+ else
+ LinkUp = TRUE;
+
+ sprintf(&cErrorString[strlen(cErrorString)], " LPSM %Xh ", (fcChip->Registers.FMstatus.value >> 4) & 0xf);
+
+
+ switch (fcChip->Registers.FMstatus.value & 0xF0) {
+ // bits set in LPSM
+ case 0x10:
+ sprintf(&cErrorString[strlen(cErrorString)], "ARB");
+ break;
+ case 0x20:
+ sprintf(&cErrorString[strlen(cErrorString)], "ARBwon");
+ break;
+ case 0x30:
+ sprintf(&cErrorString[strlen(cErrorString)], "OPEN");
+ break;
+ case 0x40:
+ sprintf(&cErrorString[strlen(cErrorString)], "OPENed");
+ break;
+ case 0x50:
+ sprintf(&cErrorString[strlen(cErrorString)], "XmitCLS");
+ break;
+ case 0x60:
+ sprintf(&cErrorString[strlen(cErrorString)], "RxCLS");
+ break;
+ case 0x70:
+ sprintf(&cErrorString[strlen(cErrorString)], "Xfer");
+ break;
+ case 0x80:
+ sprintf(&cErrorString[strlen(cErrorString)], "Init");
+ break;
+ case 0x90:
+ sprintf(&cErrorString[strlen(cErrorString)], "O-IInitFin");
+ break;
+ case 0xa0:
+ sprintf(&cErrorString[strlen(cErrorString)], "O-IProtocol");
+ break;
+ case 0xb0:
+ sprintf(&cErrorString[strlen(cErrorString)], "O-ILipRcvd");
+ break;
+ case 0xc0:
+ sprintf(&cErrorString[strlen(cErrorString)], "HostControl");
+ break;
+ case 0xd0:
+ sprintf(&cErrorString[strlen(cErrorString)], "LoopFail");
+ break;
+ case 0xe0:
+ sprintf(&cErrorString[strlen(cErrorString)], "Offline");
+ break;
+ case 0xf0:
+ sprintf(&cErrorString[strlen(cErrorString)], "OldPort");
+ break;
+ case 0:
+ default:
+ sprintf(&cErrorString[strlen(cErrorString)], "Monitor");
+ break;
+
+ }
+
+ return LinkUp;
+}
// Dynamic memory allocation alignment routines
// HP's Tachyon Fibre Channel Controller chips require
@@ -1885,96 +1705,86 @@
// we need about 8 allocations per HBA. Figuring at most 10 HBAs per server
// size the dynamic_mem array at 80.
-void* fcMemManager( struct pci_dev *pdev, ALIGNED_MEM *dynamic_mem,
- ULONG n_alloc, ULONG ab, ULONG u32_AlignedAddress,
- dma_addr_t *dma_handle)
-{
- USHORT allocBoundary=1; // compiler specific - worst case 1
- // best case - replace malloc() call
- // with function that allocates exactly
- // at desired boundary
-
- unsigned long ulAddress;
- ULONG t_alloc, i;
- void *alloc_address = 0; // def. error code / address not found
- LONG mask; // must be 32-bits wide!
-
- ENTER("fcMemManager");
- if( u32_AlignedAddress ) // are we freeing existing memory?
- {
+void *fcMemManager(struct pci_dev *pdev, ALIGNED_MEM * dynamic_mem, u32 n_alloc, u32 ab, u32 u32_AlignedAddress, dma_addr_t * dma_handle)
+{
+ u16 allocBoundary = 1; // compiler specific - worst case 1
+ // best case - replace malloc() call
+ // with function that allocates exactly
+ // at desired boundary
+
+ unsigned long ulAddress;
+ u32 t_alloc, i;
+ void *alloc_address = 0; // def. error code / address not found
+ s32 mask; // must be 32-bits wide!
+
+ ENTER("fcMemManager");
+ if (u32_AlignedAddress) // are we freeing existing memory?
+ {
// printk(" freeing AlignedAddress %Xh\n", u32_AlignedAddress);
- for( i=0; i<DYNAMIC_ALLOCATIONS; i++) // look for the base address
- {
+ for (i = 0; i < DYNAMIC_ALLOCATIONS; i++) // look for the base address
+ {
// printk("dynamic_mem[%u].AlignedAddress %lX\n", i, dynamic_mem[i].AlignedAddress);
- if( dynamic_mem[i].AlignedAddress == u32_AlignedAddress )
- {
- alloc_address = dynamic_mem[i].BaseAllocated; // 'success' status
- pci_free_consistent(pdev,dynamic_mem[i].size,
- alloc_address,
- dynamic_mem[i].dma_handle);
- dynamic_mem[i].BaseAllocated = 0; // clear for next use
- dynamic_mem[i].AlignedAddress = 0;
- dynamic_mem[i].size = 0;
- break; // quit for loop; done
- }
- }
- }
- else if( n_alloc ) // want new memory?
- {
- dma_addr_t handle;
- t_alloc = n_alloc + (ab - allocBoundary); // pad bytes for alignment
+ if (dynamic_mem[i].AlignedAddress == u32_AlignedAddress) {
+ alloc_address = dynamic_mem[i].BaseAllocated; // 'success' status
+ pci_free_consistent(pdev, dynamic_mem[i].size, alloc_address, dynamic_mem[i].dma_handle);
+ dynamic_mem[i].BaseAllocated = 0; // clear for next use
+ dynamic_mem[i].AlignedAddress = 0;
+ dynamic_mem[i].size = 0;
+ break; // quit for loop; done
+ }
+ }
+ } else if (n_alloc) // want new memory?
+ {
+ dma_addr_t handle;
+ t_alloc = n_alloc + (ab - allocBoundary); // pad bytes for alignment
// printk("pci_alloc_consistent() for Tach alignment: %ld bytes\n", t_alloc);
// (would like to) allow thread block to free pages
- alloc_address = // total bytes (NumberOfBytes)
- pci_alloc_consistent(pdev, t_alloc, &handle);
+ alloc_address = // total bytes (NumberOfBytes)
+ pci_alloc_consistent(pdev, t_alloc, &handle);
- // now mask off least sig. bits of address
- if( alloc_address ) // (only if non-NULL)
- {
- // find place to store ptr, so we
- // can free it later...
-
- mask = (LONG)(ab - 1); // mask all low-order bits
- mask = ~mask; // invert bits
- for( i=0; i<DYNAMIC_ALLOCATIONS; i++) // look for free slot
- {
- if( dynamic_mem[i].BaseAllocated == 0) // take 1st available
- {
- dynamic_mem[i].BaseAllocated = alloc_address;// address from O/S
- dynamic_mem[i].dma_handle = handle;
- if (dma_handle != NULL)
- {
+ // now mask off least sig. bits of address
+ if (alloc_address) // (only if non-NULL)
+ {
+ // find place to store ptr, so we
+ // can free it later...
+
+ mask = (s32) (ab - 1); // mask all low-order bits
+ mask = ~mask; // invert bits
+ for (i = 0; i < DYNAMIC_ALLOCATIONS; i++) // look for free slot
+ {
+ if (dynamic_mem[i].BaseAllocated == 0) // take 1st available
+ {
+ dynamic_mem[i].BaseAllocated = alloc_address; // address from O/S
+ dynamic_mem[i].dma_handle = handle;
+ if (dma_handle != NULL) {
// printk("handle = %p, ab=%d, boundary = %d, mask=0x%08x\n",
-// handle, ab, allocBoundary, mask);
- *dma_handle = (dma_addr_t)
- ((((ULONG)handle) + (ab - allocBoundary)) & mask);
- }
- dynamic_mem[i].size = t_alloc;
- break;
- }
- }
- ulAddress = (unsigned long)alloc_address;
-
- ulAddress += (ab - allocBoundary); // add the alignment bytes-
- // then truncate address...
- alloc_address = (void*)(ulAddress & mask);
-
- dynamic_mem[i].AlignedAddress =
- (ULONG)(ulAddress & mask); // 32bit Tach address
- memset( alloc_address, 0, n_alloc ); // clear new memory
- }
- else // O/S dynamic mem alloc failed!
- alloc_address = 0; // (for debugging breakpt)
+// handle, ab, allocBoundary, mask);
+ *dma_handle = (dma_addr_t)
+ ((((u32) handle) + (ab - allocBoundary)) & mask);
+ }
+ dynamic_mem[i].size = t_alloc;
+ break;
+ }
+ }
+ ulAddress = (unsigned long) alloc_address;
+
+ ulAddress += (ab - allocBoundary); // add the alignment bytes-
+ // then truncate address...
+ alloc_address = (void *) (ulAddress & mask);
+
+ dynamic_mem[i].AlignedAddress = (u32) (ulAddress & mask); // 32bit Tach address
+ memset(alloc_address, 0, n_alloc); // clear new memory
+ } else // O/S dynamic mem alloc failed!
+ alloc_address = 0; // (for debugging breakpt)
- }
+ }
- LEAVE("fcMemManager");
- return alloc_address; // good (or NULL) address
+ LEAVE("fcMemManager");
+ return alloc_address; // good (or NULL) address
}
static Scsi_Host_Template driver_template = CPQFCTS;
#include "scsi_module.c"
-
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)