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Subject[2.5 patch] MegaRAID driver: remove kernel 2.0 and 2.2 code
The patch below removes obsolete #if'd code for kernel 2.0 and 2.2 from
drivers/scsi/megaraid.{h,c} (this includes the expansion of some
#define's that were definded differently for different kernel versions).
I've tested the compilation with 2.5.59.

Please apply
Adrian


--- linux-2.5.59-full/drivers/scsi/megaraid.h.old 2003-01-18 16:46:52.000000000 +0100
+++ linux-2.5.59-full/drivers/scsi/megaraid.h 2003-01-18 16:48:28.000000000 +0100
@@ -1,10 +1,6 @@
#ifndef __MEGARAID_H__
#define __MEGARAID_H__

-#ifndef LINUX_VERSION_CODE
-#include <linux/version.h>
-#endif
-
/*
* For state flag. Do not use LSB(8 bits) which are
* reserved for storing info about channels.
@@ -180,31 +176,6 @@
#define AMI_SIGNATURE_471 0xCCCC
#define AMI_64BIT_SIGNATURE 0x0299

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /*0x20100 */
-#define MEGARAID \
- { NULL, /* Next */\
- NULL, /* Usage Count Pointer */\
- NULL, /* proc Directory Entry */\
- megaraid_proc_info, /* proc Info Function */\
- "MegaRAID", /* Driver Name */\
- megaraid_detect, /* Detect Host Adapter */\
- megaraid_release, /* Release Host Adapter */\
- megaraid_info, /* Driver Info Function */\
- megaraid_command, /* Command Function */\
- megaraid_queue, /* Queue Command Function */\
- megaraid_abort, /* Abort Command Function */\
- megaraid_reset, /* Reset Command Function */\
- NULL, /* Slave Attach Function */\
- megaraid_biosparam, /* Disk BIOS Parameters */\
- MAX_COMMANDS, /* # of cmds that can be\
- outstanding at any time */\
- 7, /* HBA Target ID */\
- MAX_SGLIST, /* Scatter/Gather Table Size */\
- MAX_CMD_PER_LUN, /* SCSI Commands per LUN */\
- 0, /* Present */\
- 0, /* Default Unchecked ISA DMA */\
- ENABLE_CLUSTERING } /* Enable Clustering */
-#else
#define MEGARAID \
{\
.name = "MegaRAID", /* Driver Name */\
@@ -224,7 +195,6 @@
.use_clustering = ENABLE_CLUSTERING, /* Enable Clustering */\
.highmem_io = 1, \
}
-#endif

/***********************************************************************
* Structure Declarations for the Firmware supporting 40 Logical Drives
@@ -470,14 +440,13 @@
#define ENQ_FCLOOP_ACTIVE 1
#define ENQ_FCLOOP_TRANSIENT 2

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
#define M_RD_DMA_TYPE_NONE 0xFFFF
#define M_RD_PTHRU_WITH_BULK_DATA 0x0001
#define M_RD_PTHRU_WITH_SGLIST 0x0002
#define M_RD_BULK_DATA_ONLY 0x0004
#define M_RD_SGLIST_ONLY 0x0008
#define M_RD_EPTHRU_WITH_BULK_DATA 0x0010
-#endif
+
/********************************************
* ENQUIRY3
********************************************/
@@ -663,7 +632,6 @@
u32 state;
u32 isrcount;
u8 mboxData[16];
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
u32 dma_type;
dma_addr_t dma_h_bulkdata; /*Dma handle for bulk data transfter */
u32 dma_direction; /*Dma direction */
@@ -675,16 +643,8 @@
dma_addr_t dma_ext_passthruhandle64;
dma_addr_t dma_bounce_buffer;
u8 *bounce_buffer;
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
mega_passthru *pthru;
mega_ext_passthru *epthru;
-#else
- mega_passthru pthru;
- mega_ext_passthru epthru;
-#endif
-
Scsi_Cmnd *SCpnt;
mega_sglist *sgList;
mega_64sglist *sg64List;
@@ -713,10 +673,8 @@
u32 base;
#endif

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_addr_t dma_handle64, adjdmahandle64;
struct pci_dev *dev;
-#endif

mega_scb *qFreeH;
mega_scb *qFreeT;
@@ -748,12 +706,8 @@
volatile mega_mailbox64 *mbox64; /* ptr to beginning of 64-bit mailbox */
volatile mega_mailbox *mbox; /* ptr to beginning of standard mailbox */

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* ptr to beginning of standard mailbox */
volatile mega_mailbox64 *mailbox64ptr;
-#else
- volatile mega_mailbox64 mailbox64;
-#endif

volatile u8 mega_buffer[2 * 1024L];
volatile megaRaidProductInfo productInfo;
@@ -880,10 +834,6 @@
#define MKADAP(adapno) (MEGAIOC_MAGIC << 8 | (adapno) )
#define GETADAP(mkadap) ( (mkadap) ^ MEGAIOC_MAGIC << 8 )

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) /*0x20300 */
-extern struct proc_dir_entry proc_scsi_megaraid;
-#endif
-
/* For Host Re-Ordering */
#define MAX_CONTROLLERS 32

@@ -968,11 +918,6 @@

static int megaraid_reboot_notify (struct notifier_block *,
unsigned long, void *);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
-static mega_scb *mega_ioctl (mega_host_config * megaCfg, Scsi_Cmnd * SCpnt);
-static void mega_build_kernel_sg (char *barea, ulong xfersize, mega_scb * pScb,
- mega_ioctl_mbox * mbox);
-#endif

static int megadev_ioctl_entry (struct inode *, struct file *,
unsigned int, unsigned long);
--- linux-2.5.59-full/drivers/scsi/megaraid.c.old 2003-01-18 16:19:33.000000000 +0100
+++ linux-2.5.59-full/drivers/scsi/megaraid.c 2003-01-18 17:11:47.000000000 +0100
@@ -461,9 +461,6 @@
*
*
* BUGS:
- * Some older 2.1 kernels (eg. 2.1.90) have a bug in pci.c that
- * fails to detect the controller as a pci device on the system.
- *
* Timeout period for upper scsi layer, i.e. SD_TIMEOUT in
* /drivers/scsi/sd.c, is too short for this controller. SD_TIMEOUT
* value must be increased to (30 * HZ) otherwise false timeouts
@@ -473,8 +470,6 @@
* to properly check the vendor subid in some cases. Setting this then
* makes it steal other i960's and crashes some boxes
*
- * Far too many ifdefs for versions.
- *
*===================================================================*/

#include <linux/config.h>
@@ -500,22 +495,12 @@
#include <linux/sched.h>
#include <linux/stat.h>
#include <linux/slab.h> /* for kmalloc() */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /* 0x20100 */
-#include <linux/bios32.h>
-#else
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) /* 0x20300 */
-#include <asm/spinlock.h>
-#else
#include <linux/spinlock.h>
-#endif
-#endif
+#include <linux/smp.h>

#include <asm/io.h>
#include <asm/irq.h>
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,0,24) /* 0x020024 */
#include <asm/uaccess.h>
-#endif

/*
* These header files are required for Shutdown Notification routines
@@ -558,145 +543,10 @@
writel (value, megaCfg->base + 0x2C);
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) /* 0x020200 */
-#include <linux/smp.h>
-#define cpuid smp_processor_id()
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4)
-#define scsi_set_pci_device(x,y)
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /* 0x020400 */
-
-/*
- * Linux 2.4 and higher
- *
- * No driver private lock
- * Use the io_request_lock not cli/sti
- * queue task is a simple api without irq forms
- */
-
MODULE_AUTHOR ("LSI Logic Corporation");
MODULE_DESCRIPTION ("LSI Logic MegaRAID driver");
MODULE_LICENSE ("GPL");

-#define DRIVER_LOCK_T
-#define DRIVER_LOCK_INIT(p)
-#define DRIVER_LOCK(p)
-#define DRIVER_UNLOCK(p)
-#define IO_LOCK_T unsigned long io_flags = 0
-#define IO_LOCK(host) spin_lock_irqsave(host->host_lock,io_flags)
-#define IO_UNLOCK(host) spin_unlock_irqrestore(host->host_lock,io_flags)
-#define IO_LOCK_IRQ(host) spin_lock_irq(host->host_lock)
-#define IO_UNLOCK_IRQ(host) spin_unlock_irq(host->host_lock)
-
-#define queue_task_irq(a,b) queue_task(a,b)
-#define queue_task_irq_off(a,b) queue_task(a,b)
-
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) /* 0x020200 */
-
-/*
- * Linux 2.2 and higher
- *
- * No driver private lock
- * Use the io_request_lock not cli/sti
- * No pci region api
- * queue_task is now a single simple API
- */
-
-static char kernel_version[] = UTS_RELEASE;
-MODULE_AUTHOR ("LSI Logic Corporation");
-MODULE_DESCRIPTION ("LSI Logic MegaRAID driver");
-
-#define DRIVER_LOCK_T
-#define DRIVER_LOCK_INIT(p)
-#define DRIVER_LOCK(p)
-#define DRIVER_UNLOCK(p)
-#define IO_LOCK_T unsigned long io_flags = 0
-#define IO_LOCK(host) spin_lock_irqsave(host->host_lock,io_flags);
-#define IO_UNLOCK(host) spin_unlock_irqrestore(host->host_lock,io_flags);
-
-#define pci_free_consistent(a,b,c,d)
-#define pci_unmap_single(a,b,c,d)
-#define pci_enable_device(x) (0)
-#define queue_task_irq(a,b) queue_task(a,b)
-#define queue_task_irq_off(a,b) queue_task(a,b)
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,2,19) /* 0x020219 */
-#define init_MUTEX_LOCKED(x) (*(x)=MUTEX_LOCKED)
-#define init_MUTEX(x) (*(x)=MUTEX)
-#define DECLARE_WAIT_QUEUE_HEAD(x) struct wait_queue *x = NULL
-#endif
-
-
-#else
-
-/*
- * Linux 2.0 macros. Here we have to provide some of our own
- * functionality. We also only work little endian 32bit.
- * Again no pci_alloc/free api
- * IO_LOCK/IO_LOCK_T were never used in 2.0 so now are empty
- */
-
-#define cpuid 0
-#define DRIVER_LOCK_T long cpu_flags;
-#define DRIVER_LOCK_INIT(p)
-#define DRIVER_LOCK(p) \
- save_flags(cpu_flags); \
- cli();
-#define DRIVER_UNLOCK(p) \
- restore_flags(cpu_flags);
-#define IO_LOCK_T
-#define IO_LOCK(p)
-#define IO_UNLOCK(p)
-#define le32_to_cpu(x) (x)
-#define cpu_to_le32(x) (x)
-
-#define pci_free_consistent(a,b,c,d)
-#define pci_unmap_single(a,b,c,d)
-
-#define init_MUTEX_LOCKED(x) (*(x)=MUTEX_LOCKED)
-#define init_MUTEX(x) (*(x)=MUTEX)
-
-#define pci_enable_device(x) (0)
-
-/*
- * 2.0 lacks spinlocks, iounmap/ioremap
- */
-
-#define ioremap vremap
-#define iounmap vfree
-
- /* simulate spin locks */
-typedef struct {
- volatile char lock;
-} spinlock_t;
-
-#define spin_lock_init(x) { (x)->lock = 0;}
-#define spin_lock_irqsave(x,flags) { while ((x)->lock) barrier();\
- (x)->lock=1; save_flags(flags);\
- cli();}
-#define spin_unlock_irqrestore(x,flags) { (x)->lock=0; restore_flags(flags);}
-
-#define DECLARE_WAIT_QUEUE_HEAD(x) struct wait_queue *x = NULL
-
-#endif
-
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /* 0x020400 */
-#define dma_alloc_consistent pci_alloc_consistent
-#define dma_free_consistent pci_free_consistent
-#else
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,2,19) /* 0x020219 */
-typedef unsigned long dma_addr_t;
-#endif
-void *dma_alloc_consistent(void *, size_t, dma_addr_t *);
-void dma_free_consistent(void *, size_t, void *, dma_addr_t);
-int mega_get_order(int);
-int pow_2(int);
-#endif
-
/* set SERDEBUG to 1 to enable serial debugging */
#define SERDEBUG 0
#if SERDEBUG
@@ -731,11 +581,9 @@
processor id cannot be scanned */

static char *megaraid;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,1,0) /* 0x20100 */
-#ifdef MODULE
+
MODULE_PARM (megaraid, "s");
-#endif
-#endif
+
static int skip_id = -1;
static int numCtlrs = 0;
static mega_host_config *megaCtlrs[FC_MAX_CHANNELS] = { 0 };
@@ -785,13 +633,6 @@
volatile static spinlock_t serial_lock;
#endif

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) /* 0x20300 */
-static struct proc_dir_entry proc_scsi_megaraid = {
- PROC_SCSI_MEGARAID, 8, "megaraid",
- S_IFDIR | S_IRUGO | S_IXUGO, 2
-};
-#endif
-
#ifdef CONFIG_PROC_FS
extern struct proc_dir_entry proc_root;
#endif
@@ -887,7 +728,6 @@
if ((pScb == NULL) || (pScb->idx >= 0xFE)) {
return;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
switch (pScb->dma_type) {
case M_RD_DMA_TYPE_NONE:
break;
@@ -927,7 +767,6 @@
default:
break;
}
-#endif

/* Unlink from pending queue */
if (pScb == megaCfg->qPendingH) {
@@ -990,10 +829,7 @@
pScb->next = NULL;
pScb->state = SCB_ACTIVE;
pScb->SCpnt = SCpnt;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pScb->dma_type = M_RD_DMA_TYPE_NONE;
-#endif

return pScb;
}
@@ -1059,13 +895,8 @@

SCpnt = pScb->SCpnt;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pthru = pScb->pthru;
epthru = pScb->epthru;
-#else
- pthru = &pScb->pthru;
- epthru = &pScb->epthru;
-#endif

mbox = (mega_mailbox *) & pScb->mboxData;

@@ -1083,7 +914,6 @@
islogical = (SCpnt->channel == megaCfg->host->max_channel);
#endif

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Special Case to handle PassThrough->XferAddrress > 4GB */
switch (SCpnt->cmnd[0]) {
case INQUIRY:
@@ -1092,7 +922,6 @@
pScb->bounce_buffer, SCpnt->request_bufflen);
break;
}
-#endif

mega_freeSCB (megaCfg, pScb);

@@ -1214,15 +1043,11 @@

if ((SCpnt->cmnd[0] == M_RD_IOCTL_CMD)
|| (SCpnt->cmnd[0] == M_RD_IOCTL_CMD_NEW))
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
- return mega_ioctl (megaCfg, SCpnt); /* Handle IOCTL command */
-#else
{
printk(KERN_WARNING "megaraid ioctl: older interface - "
"not supported.\n");
return NULL;
}
-#endif

islogical = ( (SCpnt->channel >= megaCfg->productInfo.SCSIChanPresent) &&
(SCpnt->channel <= megaCfg->host->max_channel) );
@@ -1320,12 +1145,7 @@
callDone (SCpnt);
return NULL;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pthru = pScb->pthru;
-#else
- pthru = &pScb->pthru;
-#endif
-
mbox = (mega_mailbox *) & pScb->mboxData;
memset (mbox, 0, sizeof (pScb->mboxData));
memset (pthru, 0, sizeof (mega_passthru));
@@ -1336,7 +1156,6 @@
pthru->logdrv = lun;
pthru->cdblen = SCpnt->cmd_len;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/*Not sure about the direction */
pScb->dma_direction = PCI_DMA_BIDIRECTIONAL;
pScb->dma_type = M_RD_PTHRU_WITH_BULK_DATA;
@@ -1356,23 +1175,14 @@
pScb->dma_type = M_RD_DMA_TYPE_NONE;
#endif

-#else
- pthru->dataxferaddr =
- virt_to_bus (SCpnt->request_buffer);
-#endif
-
pthru->dataxferlen = SCpnt->request_bufflen;
memcpy (pthru->cdb, SCpnt->cmnd, SCpnt->cmd_len);

/* Initialize mailbox area */
mbox->cmd = MEGA_MBOXCMD_PASSTHRU;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
mbox->xferaddr = pScb->dma_passthruhandle64;
TRACE1 (("M_RD_PTHRU_WITH_BULK_DATA Enabled \n"));
-#else
- mbox->xferaddr = virt_to_bus (pthru);
-#endif
return pScb;

case READ_6:
@@ -1469,20 +1279,17 @@
}
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
if (*SCpnt->cmnd == READ_6 || *SCpnt->cmnd == READ_10
|| *SCpnt->cmnd == READ_12) {
pScb->dma_direction = PCI_DMA_FROMDEVICE;
} else { /*WRITE_6 or WRITE_10 */
pScb->dma_direction = PCI_DMA_TODEVICE;
}
-#endif

/* Calculate Scatter-Gather info */
mbox->numsgelements = mega_build_sglist (megaCfg, pScb,
(u32 *)&mbox->xferaddr, (u32 *)&seg);

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pScb->iDataSize = seg;

if (mbox->numsgelements) {
@@ -1492,7 +1299,6 @@
pScb->dma_type = M_RD_BULK_DATA_ONLY;
TRACE1 (("M_RD_BULK_DATA_ONLY Enabled \n"));
}
-#endif

return pScb;
default:
@@ -1520,7 +1326,6 @@
if ( megaCfg->support_ext_cdb && SCpnt->cmd_len > 10 ) {
epthru = mega_prepare_extpassthru(megaCfg, pScb, SCpnt);
mbox->cmd = MEGA_MBOXCMD_EXTPASSTHRU;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
mbox->xferaddr = pScb->dma_ext_passthruhandle64;

if(epthru->numsgelements) {
@@ -1528,16 +1333,12 @@
} else {
pScb->dma_type = M_RD_EPTHRU_WITH_BULK_DATA;
}
-#else
- mbox->xferaddr = virt_to_bus(epthru);
-#endif
}
else {
pthru = mega_prepare_passthru(megaCfg, pScb, SCpnt);

/* Initialize mailbox */
mbox->cmd = MEGA_MBOXCMD_PASSTHRU;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
mbox->xferaddr = pScb->dma_passthruhandle64;

if (pthru->numsgelements) {
@@ -1545,9 +1346,6 @@
} else {
pScb->dma_type = M_RD_PTHRU_WITH_BULK_DATA;
}
-#else
- mbox->xferaddr = virt_to_bus(pthru);
-#endif
}
return pScb;
}
@@ -1597,11 +1395,7 @@
{
mega_passthru *pthru;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pthru = scb->pthru;
-#else
- pthru = &scb->pthru;
-#endif
memset (pthru, 0, sizeof (mega_passthru));

/* set adapter timeout value to 10 min. for tape drive */
@@ -1618,7 +1412,6 @@

memcpy (pthru->cdb, sc->cmnd, sc->cmd_len);

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Not sure about the direction */
scb->dma_direction = PCI_DMA_BIDIRECTIONAL;

@@ -1638,13 +1431,6 @@
);
break;
}
-#else
- pthru->numsgelements =
- mega_build_sglist(
- megacfg, scb, (u32 *)&pthru->dataxferaddr,
- (u32 *)&pthru->dataxferlen
- );
-#endif
return pthru;
}

@@ -1653,11 +1439,7 @@
{
mega_ext_passthru *epthru;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
epthru = scb->epthru;
-#else
- epthru = &scb->epthru;
-#endif
memset(epthru, 0, sizeof(mega_ext_passthru));

/* set adapter timeout value to 10 min. for tape drive */
@@ -1674,7 +1456,6 @@

memcpy(epthru->cdb, sc->cmnd, sc->cmd_len);

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Not sure about the direction */
scb->dma_direction = PCI_DMA_BIDIRECTIONAL;

@@ -1694,13 +1475,6 @@
);
break;
}
-#else
- epthru->numsgelements =
- mega_build_sglist(
- megacfg, scb, (u32 *)&epthru->dataxferaddr,
- (u32 *)&epthru->dataxferlen
- );
-#endif
return epthru;
}

@@ -1742,7 +1516,6 @@
mega_ioctl_mbox * mbox, u32 direction)
{

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
switch (direction) {
case TO_DEVICE:
pScb->dma_direction = PCI_DMA_TODEVICE;
@@ -1762,276 +1535,8 @@
mbox->xferaddr = pScb->dma_h_bulkdata;
pScb->dma_type = M_RD_BULK_DATA_ONLY;
TRACE1 (("M_RD_BULK_DATA_ONLY Enabled \n"));
-#else
- mbox->xferaddr = virt_to_bus (pScb->buff_ptr);
-#endif
}

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
-
-/*--------------------------------------------------------------------
- * build RAID commands for controller, passed down through ioctl()
- *--------------------------------------------------------------------*/
-static mega_scb *mega_ioctl (mega_host_config * megaCfg, Scsi_Cmnd * SCpnt)
-{
- mega_scb *pScb;
- mega_ioctl_mbox *mbox;
- mega_mailbox *mailbox;
- mega_passthru *pthru;
- u8 *mboxdata;
- long seg, i = 0;
- unsigned char *data = (unsigned char *) SCpnt->request_buffer;
-
- if ((pScb = mega_allocateSCB (megaCfg, SCpnt)) == NULL) {
- SCpnt->result = (DID_ERROR << 16);
- callDone (SCpnt);
- return NULL;
- }
- pthru = &pScb->pthru;
-
- mboxdata = (u8 *) & pScb->mboxData;
- mbox = (mega_ioctl_mbox *) & pScb->mboxData;
- mailbox = (mega_mailbox *) & pScb->mboxData;
- memset (mailbox, 0, sizeof (pScb->mboxData));
-
- if (data[0] == 0x03) { /* passthrough command */
- unsigned char cdblen = data[2];
- memset (pthru, 0, sizeof (mega_passthru));
- pthru->islogical = (data[cdblen + 3] & 0x80) ? 1 : 0;
- pthru->timeout = data[cdblen + 3] & 0x07;
- pthru->reqsenselen = 14;
- pthru->ars = (data[cdblen + 3] & 0x08) ? 1 : 0;
- pthru->logdrv = data[cdblen + 4];
- pthru->channel = data[cdblen + 5];
- pthru->target = data[cdblen + 6];
- pthru->cdblen = cdblen;
- memcpy (pthru->cdb, &data[3], cdblen);
-
- mailbox->cmd = MEGA_MBOXCMD_PASSTHRU;
-
-
- pthru->numsgelements = mega_build_sglist (megaCfg, pScb,
- (u32 *) & pthru->
- dataxferaddr,
- (u32 *) & pthru->
- dataxferlen);
-
- mailbox->xferaddr = virt_to_bus (pthru);
-
- for (i = 0; i < (SCpnt->request_bufflen - cdblen - 7); i++) {
- data[i] = data[i + cdblen + 7];
- }
- return pScb;
- }
- /* else normal (nonpassthru) command */
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,0,24) /*0x020024 */
- /*
- *usage of the function copy from user is used in case of data more than
- *4KB.This is used only with adapters which supports more than 8 logical
- * drives.This feature is disabled on kernels earlier or same as 2.0.36
- * as the uaccess.h file is not available with those kernels.
- */
-
- if (SCpnt->cmnd[0] == M_RD_IOCTL_CMD_NEW) {
- /* use external data area for large xfers */
- /* If cmnd[0] is set to M_RD_IOCTL_CMD_NEW then *
- * cmnd[4..7] = external user buffer *
- * cmnd[8..11] = length of buffer *
- * */
- char *user_area = (char *)*((u32*)&SCpnt->cmnd[4]);
- u32 xfer_size = *((u32 *) & SCpnt->cmnd[8]);
- switch (data[0]) {
- case FW_FIRE_WRITE:
- case FW_FIRE_FLASH:
- if ((ulong) user_area & (PAGE_SIZE - 1)) {
- printk
- ("megaraid:user address not aligned on 4K boundary.Error.\n");
- SCpnt->result = (DID_ERROR << 16);
- callDone (SCpnt);
- return NULL;
- }
- break;
- default:
- break;
- }
-
- if (!(pScb->buff_ptr = kmalloc (xfer_size, GFP_KERNEL))) {
- printk
- ("megaraid: Insufficient mem for M_RD_IOCTL_CMD_NEW.\n");
- SCpnt->result = (DID_ERROR << 16);
- callDone (SCpnt);
- return NULL;
- }
-
- copy_from_user (pScb->buff_ptr, user_area, xfer_size);
- pScb->iDataSize = xfer_size;
-
- switch (data[0]) {
- case DCMD_FC_CMD:
- switch (data[1]) {
- case DCMD_FC_READ_NVRAM_CONFIG:
- case DCMD_GET_DISK_CONFIG:
- {
- if ((ulong) pScb->
- buff_ptr & (PAGE_SIZE - 1)) {
- printk
- ("megaraid:user address not sufficient Error.\n");
- SCpnt->result =
- (DID_ERROR << 16);
- callDone (SCpnt);
- return NULL;
- }
-
- /*building SG list */
- mega_build_kernel_sg (pScb->buff_ptr,
- xfer_size,
- pScb, mbox);
- break;
- }
- default:
- break;
- } /*switch (data[1]) */
- break;
- }
-
- }
-#endif
-
- mbox->cmd = data[0];
- mbox->channel = data[1];
- mbox->param = data[2];
- mbox->pad[0] = data[3];
- mbox->logdrv = data[4];
-
- if (SCpnt->cmnd[0] == M_RD_IOCTL_CMD_NEW) {
- switch (data[0]) {
- case FW_FIRE_WRITE:
- mbox->cmd = FW_FIRE_WRITE;
- mbox->channel = data[1]; /* Current Block Number */
- set_mbox_xfer_addr (megaCfg, pScb, mbox, TO_DEVICE);
- mbox->numsgelements = 0;
- break;
- case FW_FIRE_FLASH:
- mbox->cmd = FW_FIRE_FLASH;
- mbox->channel = data[1] | 0x80; /* Origin */
- set_mbox_xfer_addr (megaCfg, pScb, mbox, TO_DEVICE);
- mbox->numsgelements = 0;
- break;
- case DCMD_FC_CMD:
- *(mboxdata + 0) = data[0]; /*mailbox byte 0: DCMD_FC_CMD */
- *(mboxdata + 2) = data[1]; /*sub command */
- switch (data[1]) {
- case DCMD_FC_READ_NVRAM_CONFIG:
- case DCMD_FC_READ_NVRAM_CONFIG_64:
- /* number of elements in SG list */
- *(mboxdata + 3) = mbox->numsgelements;
- if (megaCfg->flag & BOARD_64BIT)
- *(mboxdata + 2) =
- DCMD_FC_READ_NVRAM_CONFIG_64;
- break;
- case DCMD_WRITE_CONFIG:
- case DCMD_WRITE_CONFIG_64:
- if (megaCfg->flag & BOARD_64BIT)
- *(mboxdata + 2) = DCMD_WRITE_CONFIG_64;
- set_mbox_xfer_addr (megaCfg, pScb, mbox,
- TO_DEVICE);
- mbox->numsgelements = 0;
- break;
- case DCMD_GET_DISK_CONFIG:
- case DCMD_GET_DISK_CONFIG_64:
- if (megaCfg->flag & BOARD_64BIT)
- *(mboxdata + 2) =
- DCMD_GET_DISK_CONFIG_64;
- *(mboxdata + 3) = data[2]; /*number of elements in SG list */
- /*nr of elements in SG list */
- *(mboxdata + 4) = mbox->numsgelements;
- break;
- case DCMD_DELETE_LOGDRV:
- case DCMD_DELETE_DRIVEGROUP:
- case NC_SUBOP_ENQUIRY3:
- *(mboxdata + 3) = data[2];
- set_mbox_xfer_addr (megaCfg, pScb, mbox,
- FROMTO_DEVICE);
- mbox->numsgelements = 0;
- break;
- case DCMD_CHANGE_LDNO:
- case DCMD_CHANGE_LOOPID:
- *(mboxdata + 3) = data[2];
- *(mboxdata + 4) = data[3];
- set_mbox_xfer_addr (megaCfg, pScb, mbox,
- TO_DEVICE);
- mbox->numsgelements = 0;
- break;
- default:
- set_mbox_xfer_addr (megaCfg, pScb, mbox,
- FROMTO_DEVICE);
- mbox->numsgelements = 0;
- break;
- } /*switch */
- break;
- default:
- set_mbox_xfer_addr (megaCfg, pScb, mbox, FROMTO_DEVICE);
- mbox->numsgelements = 0;
- break;
- }
- } else {
-
- mbox->numsgelements = mega_build_sglist (megaCfg, pScb,
- (u32 *) & mbox->
- xferaddr,
- (u32 *) & seg);
-
- /* Handling some of the fw special commands */
- switch (data[0]) {
- case 6: /* START_DEV */
- mbox->xferaddr = *((u32 *) & data[i + 6]);
- break;
- default:
- break;
- }
-
- for (i = 0; i < (SCpnt->request_bufflen - 6); i++) {
- data[i] = data[i + 6];
- }
- }
-
- return (pScb);
-}
-
-
-static void mega_build_kernel_sg (char *barea, ulong xfersize, mega_scb * pScb, mega_ioctl_mbox * mbox)
-{
- ulong i, buffer_area, len, end, end_page, x, idx = 0;
-
- buffer_area = (ulong) barea;
- i = buffer_area;
- end = buffer_area + xfersize;
- end_page = (end) & ~(PAGE_SIZE - 1);
-
- do {
- len = PAGE_SIZE - (i % PAGE_SIZE);
- x = pScb->sgList[idx].address =
- virt_to_bus ((volatile void *) i);
- pScb->sgList[idx].length = len;
- i += len;
- idx++;
- } while (i < end_page);
-
- if ((end - i) < 0) {
- printk ("megaraid:Error in user address\n");
- }
-
- if (end - i) {
- pScb->sgList[idx].address = virt_to_bus ((volatile void *) i);
- pScb->sgList[idx].length = end - i;
- idx++;
- }
- mbox->xferaddr = virt_to_bus (pScb->sgList);
- mbox->numsgelements = idx;
-}
-#endif
-

#if DEBUG
static unsigned int cum_time = 0;
@@ -2058,7 +1563,7 @@
*--------------------------------------------------------------------*/
static void megaraid_isr (int irq, void *devp, struct pt_regs *regs)
{
- IO_LOCK_T;
+ unsigned long io_flags = 0;
mega_host_config * megaCfg;
u_char byte, idx, sIdx, tmpBox[MAILBOX_SIZE];
u32 dword = 0;
@@ -2103,7 +1608,7 @@
for (idx = 0; idx < MAX_FIRMWARE_STATUS; idx++)
completed[idx] = 0;

- IO_LOCK(megaCfg->host);
+ spin_lock_irqsave(megaCfg->host->host_lock,io_flags);

megaCfg->nInterrupts++;
qCnt = 0xff;
@@ -2124,24 +1629,14 @@
if (megaCfg->flag & BOARD_QUARTZ) {
WROUTDOOR (megaCfg, dword);
/* Acknowledge interrupt */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- /* In this case mbox contains physical address */
-#if 0
- WRINDOOR (megaCfg, megaCfg->adjdmahandle64 | 0x2);
-#else
- WRINDOOR (megaCfg, 0x2);
-#endif
-
-#else

+ /* mbox contains physical address */
#if 0
- WRINDOOR (megaCfg, virt_to_bus (megaCfg->mbox) | 0x2);
+ WRINDOOR (megaCfg, megaCfg->adjdmahandle64 | 0x2);
#else
WRINDOOR (megaCfg, 0x2);
#endif

-#endif
-
#if 0
while (RDINDOOR (megaCfg) & 0x02) ;
#endif
@@ -2222,7 +1717,7 @@
megaCfg->flag &= ~IN_ISR;
/* Loop through any pending requests */
mega_runpendq (megaCfg);
- IO_UNLOCK(megaCfg->host);
+ spin_unlock_irqrestore(megaCfg->host->host_lock,io_flags);

}

@@ -2266,10 +1761,7 @@
mega_scb * pScb, int intr)
{
volatile mega_mailbox *mbox = (mega_mailbox *) megaCfg->mbox;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
volatile mega_mailbox64 *mbox64 = (mega_mailbox64 *) megaCfg->mbox64;
-#endif

u_char byte;

@@ -2283,12 +1775,8 @@
mboxData[0x1] = (pScb ? pScb->idx + 1 : 0xFE); /* Set cmdid */
mboxData[0xF] = 1; /* Set busy */

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- /* In this case mbox contains physical address */
+ /* mbox contains physical address */
phys_mbox = megaCfg->adjdmahandle64;
-#else
- phys_mbox = virt_to_bus (megaCfg->mbox);
-#endif

#if DEBUG
ShowMbox (pScb);
@@ -2320,7 +1808,6 @@

memcpy ((char *) mbox, mboxData, 16);

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
switch (mboxData[0]) {
case MEGA_MBOXCMD_LREAD64:
case MEGA_MBOXCMD_LWRITE64:
@@ -2329,7 +1816,6 @@
mbox->xferaddr = 0xFFFFFFFF;
break;
}
-#endif

/* Kick IO */
if (intr) {
@@ -2416,10 +1902,7 @@
{
struct scatterlist *sgList;
int idx;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
int sgcnt;
-#endif

mega_mailbox *mbox = NULL;

@@ -2427,7 +1910,6 @@
/* Scatter-gather not used */
if (scb->SCpnt->use_sg == 0) {

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
scb->dma_h_bulkdata = pci_map_single (megaCfg->dev,
scb->SCpnt->request_buffer,
scb->SCpnt->request_bufflen,
@@ -2448,10 +1930,6 @@
*buffer = scb->dma_h_bulkdata;
*length = (u32) scb->SCpnt->request_bufflen;
}
-#else
- *buffer = virt_to_bus (scb->SCpnt->request_buffer);
- *length = (u32) scb->SCpnt->request_bufflen;
-#endif
return 0;
}

@@ -2459,7 +1937,6 @@
#if 0
if (scb->SCpnt->use_sg == 1) {

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
scb->dma_h_bulkdata = pci_map_single (megaCfg->dev,
sgList[0].address,
sgList[0].length, scb->dma_direction);
@@ -2477,16 +1954,11 @@
*buffer = scb->dma_h_bulkdata;
*length = (u32) sgList[0].length;
}
-#else
- *buffer = virt_to_bus (sgList[0].address);
- *length = (u32) sgList[0].length;
-#endif

return 0;
}
#endif
/* Copy Scatter-Gather list info into controller structure */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
sgcnt = pci_map_sg (megaCfg->dev,
sgList, scb->SCpnt->use_sg, scb->dma_direction);

@@ -2508,29 +1980,13 @@

}

-#else
- for (idx = 0; idx < scb->SCpnt->use_sg; idx++) {
- scb->sgList[idx].address = virt_to_bus (sgList[idx].address);
- scb->sgList[idx].length = (u32) sgList[idx].length;
- }
-#endif
-
/* Reset pointer and length fields */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
*buffer = scb->dma_sghandle64;
scb->sglist_count = scb->SCpnt->use_sg;
-#else
- *buffer = virt_to_bus (scb->sgList);
-#endif
*length = 0;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Return count of SG requests */
return sgcnt;
-#else
- /* Return count of SG requests */
- return scb->SCpnt->use_sg;
-#endif
}

/*--------------------------------------------------------------------
@@ -2553,11 +2009,7 @@
mega_register_mailbox (mega_host_config * megaCfg, u32 paddr)
{
/* align on 16-byte boundary */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
megaCfg->mbox = &megaCfg->mailbox64ptr->mailbox;
-#else
- megaCfg->mbox = &megaCfg->mailbox64.mailbox;
-#endif

#ifdef __LP64__
megaCfg->mbox = (mega_mailbox *) ((((u64) megaCfg->mbox) + 16) & ((u64) (-1) ^ 0x0F));
@@ -2567,11 +2019,7 @@
#else
megaCfg->mbox
= (mega_mailbox *) ((((u32) megaCfg->mbox) + 16) & 0xFFFFFFF0);
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
megaCfg->adjdmahandle64 = ((megaCfg->dma_handle64 + 16) & 0xFFFFFFF0);
-#endif
-
megaCfg->mbox64 = (mega_mailbox64 *) ((u_char *) megaCfg->mbox - 8);
paddr = (paddr + 4 + 16) & 0xFFFFFFF0;
#endif
@@ -2639,9 +2087,7 @@
mega_mailbox *mbox;
u_char mboxData[16];

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_addr_t raid_inq_dma_handle = 0, prod_info_dma_handle = 0, enquiry3_dma_handle = 0;
-#endif
u8 retval;

/* Initialize adapter inquiry mailbox */
@@ -2657,16 +2103,11 @@
* if not succeeded, then issue MEGA_MBOXCMD_ADAPTERINQ command and
* update enquiry3 structure
*/
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
enquiry3_dma_handle = pci_map_single (megaCfg->dev,
(void *) megaCfg->mega_buffer,
(2 * 1024L), PCI_DMA_FROMDEVICE);

mbox->xferaddr = enquiry3_dma_handle;
-#else
- /*Taken care */
- mbox->xferaddr = virt_to_bus ((void *) megaCfg->mega_buffer);
-#endif

/* Initialize mailbox databuffer addr */
enquiry3Pnt = (mega_Enquiry3 *) megaCfg->mega_buffer;
@@ -2681,16 +2122,11 @@
mega_RAIDINQ adapterInquiryData;
mega_RAIDINQ *adapterInquiryPnt = &adapterInquiryData;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
raid_inq_dma_handle = pci_map_single (megaCfg->dev,
(void *) adapterInquiryPnt,
sizeof (mega_RAIDINQ),
PCI_DMA_FROMDEVICE);
mbox->xferaddr = raid_inq_dma_handle;
-#else
- /*taken care */
- mbox->xferaddr = virt_to_bus ((void *) adapterInquiryPnt);
-#endif

mbox->cmd = MEGA_MBOXCMD_ADAPTERINQ; /*issue old 0x05 command to adapter */
/* Issue a blocking command to the card */ ;
@@ -2712,7 +2148,6 @@
pci_unmap_single (megaCfg->dev,
enquiry3_dma_handle,
(2 * 1024L), PCI_DMA_FROMDEVICE);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/*get productInfo, which is static information and will be unchanged*/
prod_info_dma_handle
= pci_map_single (megaCfg->dev,
@@ -2720,10 +2155,6 @@
sizeof (megaRaidProductInfo),
PCI_DMA_FROMDEVICE);
mbox->xferaddr = prod_info_dma_handle;
-#else
- /*taken care */
- mbox->xferaddr = virt_to_bus ((void *) &megaCfg->productInfo);
-#endif

mboxData[0] = FC_NEW_CONFIG; /* i.e. mbox->cmd=0xA1 */
mboxData[2] = NC_SUBOP_PRODUCT_INFO; /* i.e. 0x0E */
@@ -2831,9 +2262,7 @@
u_char pciBus, pciDevFun, megaIrq;

u16 magic;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
u32 magic64;
-#endif

int i;

@@ -2847,23 +2276,13 @@
u16 numFound = 0;
u16 subsysid, subsysvid;

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /* 0x20100 */
- while (!pcibios_find_device
- (pciVendor, pciDev, pciIdx, &pciBus, &pciDevFun)) {
-#else
-
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0) /*0x20300 */
struct pci_dev *pdev = NULL;
-#else
- struct pci_dev *pdev = pci_devices;
-#endif

while ((pdev = pci_find_device (pciVendor, pciDev, pdev))) {
if(pci_enable_device (pdev))
continue;
pciBus = pdev->bus->number;
pciDevFun = pdev->devfn;
-#endif
if ((flag & BOARD_QUARTZ) && (skip_id == -1)) {
pci_read_config_word (pdev, PCI_CONF_AMISIG, &magic);
if ((magic != AMI_SIGNATURE)
@@ -2871,12 +2290,10 @@
pciIdx++;
continue; /* not an AMI board */
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pci_read_config_dword (pdev, PCI_CONF_AMISIG64, &magic64);

if (magic64 == AMI_64BIT_SIGNATURE)
flag |= BOARD_64BIT;
-#endif
}

/* Hmmm...Should we not make this more modularized so that in future we dont add
@@ -2884,19 +2301,11 @@

if (flag & BOARD_QUARTZ) {
/* Check to see if this is a Dell PERC RAID controller model 466 */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /* 0x20100 */
- pcibios_read_config_word (pciBus, pciDevFun,
- PCI_SUBSYSTEM_VENDOR_ID,
- &subsysvid);
- pcibios_read_config_word (pciBus, pciDevFun,
- PCI_SUBSYSTEM_ID, &subsysid);
-#else
pci_read_config_word (pdev,
PCI_SUBSYSTEM_VENDOR_ID,
&subsysvid);
pci_read_config_word (pdev,
PCI_SUBSYSTEM_ID, &subsysid);
-#endif

#if 0
/*
@@ -2923,20 +2332,8 @@
pciVendor, pciDev, pciIdx, pciBus, PCI_SLOT (pciDevFun),
PCI_FUNC (pciDevFun));
/* Read the base port and IRQ from PCI */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /* 0x20100 */
- pcibios_read_config_dword (pciBus, pciDevFun,
- PCI_BASE_ADDRESS_0,
- (u_int *) & megaBase);
- pcibios_read_config_byte (pciBus, pciDevFun,
- PCI_INTERRUPT_LINE, &megaIrq);
-#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) /*0x20300 */
- megaBase = pdev->base_address[0];
- megaIrq = pdev->irq;
-#else
-
megaBase = pci_resource_start (pdev, 0);
megaIrq = pdev->irq;
-#endif

pciIdx++;

@@ -2991,10 +2388,7 @@
megaCfg->int_qh = NULL;
megaCfg->int_qt = NULL;
megaCfg->int_qlen = 0;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
megaCfg->dev = pdev;
-#endif
megaCfg->host = host;
megaCfg->base = megaBase;
megaCfg->host->irq = megaIrq;
@@ -3020,7 +2414,6 @@
goto err_release;
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/*
* unmap while releasing the driver, Is it required to be
* PCI_DMA_BIDIRECTIONAL
@@ -3032,11 +2425,6 @@
&(megaCfg->dma_handle64));

mega_register_mailbox (megaCfg, megaCfg->dma_handle64);
-#else
- mega_register_mailbox (megaCfg,
- virt_to_bus ((void *) &megaCfg->
- mailbox64));
-#endif

mega_i_query_adapter (megaCfg);

@@ -3147,14 +2535,12 @@
numFound++;

/* Set the Mode of addressing to 64 bit */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
if ((megaCfg->flag & BOARD_64BIT) && BITS_PER_LONG == 64)
#ifdef __LP64__
pdev->dma_mask = 0xffffffffffffffff;
#else
pdev->dma_mask = 0xffffffff;
#endif
-#endif
continue;
err_release:
if (flag & BOARD_QUARTZ)
@@ -3176,19 +2562,8 @@
{
int ctlridx = 0, count = 0;

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) /*0x20300 */
- pHostTmpl->proc_dir = &proc_scsi_megaraid;
-#else
pHostTmpl->proc_name = "megaraid";
-#endif

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,1,0) /* 0x20100 */
- if (!pcibios_present ()) {
- printk (KERN_WARNING "megaraid: PCI bios not present."
- M_RD_CRLFSTR);
- return 0;
- }
-#endif
skip_id = -1;
if (megaraid && !strncmp (megaraid, "skip", strlen ("skip"))) {
if (megaraid[4] != '\0') {
@@ -3216,13 +2591,7 @@

#ifdef CONFIG_PROC_FS
if (count) {
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0) /*0x20300 */
mega_proc_dir_entry = proc_mkdir ("megaraid", &proc_root);
-#else
- mega_proc_dir_entry = create_proc_entry ("megaraid",
- S_IFDIR | S_IRUGO |
- S_IXUGO, &proc_root);
-#endif
if (!mega_proc_dir_entry)
printk ("megaraid: failed to create megaraid root\n");
else
@@ -3367,10 +2736,7 @@
mega_mailbox *mboxp;
unsigned char mbox[16];
int i;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_addr_t dma_handle;
-#endif

mboxp = (mega_mailbox *)mbox;

@@ -3383,14 +2749,10 @@

memset((void *)megacfg->mega_buffer, 0, sizeof(megacfg->mega_buffer));

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_handle = pci_map_single(megacfg->dev, (void *)megacfg->mega_buffer,
(2 * 1024L), PCI_DMA_FROMDEVICE);

mboxp->xferaddr = dma_handle;
-#else
- mboxp->xferaddr = virt_to_bus((void *)megacfg->mega_buffer);
-#endif

/*
* Non-ROMB firware fail this command, so all channels
@@ -3408,11 +2770,8 @@
mega_ch_class = 0xFF;
}

-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pci_unmap_single(megacfg->dev, dma_handle,
(2 * 1024L), PCI_DMA_FROMDEVICE);
-#endif

}

@@ -3429,10 +2788,7 @@
u16 cksum = 0;
char *cksum_p;
int i;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_addr_t dma_handle;
-#endif

mboxp = (mega_mailbox *)mbox;

@@ -3443,14 +2799,10 @@

memset((void *)megacfg->mega_buffer, 0, sizeof(megacfg->mega_buffer));

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
dma_handle = pci_map_single(megacfg->dev, (void *)megacfg->mega_buffer,
(2 * 1024L), PCI_DMA_FROMDEVICE);

mboxp->xferaddr = dma_handle;
-#else
- mboxp->xferaddr = virt_to_bus((void *)megacfg->mega_buffer);
-#endif

megacfg->boot_ldrv_enabled = 0;
megacfg->boot_ldrv = 0;
@@ -3470,10 +2822,8 @@
}
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pci_unmap_single(megacfg->dev, dma_handle,
(2 * 1024L), PCI_DMA_FROMDEVICE);
-#endif

}

@@ -3490,9 +2840,6 @@
megaCfg->scbList[i].sgList,
megaCfg->scbList[i].
dma_sghandle64);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) /* 0x020400 */
- kfree (megaCfg->scbList[i].sgList); /* free sgList */
-#endif
}
}

@@ -3531,12 +2878,11 @@
*-----------------------------------------------------------------*/
int megaraid_queue (Scsi_Cmnd * SCpnt, void (*pktComp) (Scsi_Cmnd *))
{
- DRIVER_LOCK_T mega_host_config * megaCfg;
+ mega_host_config * megaCfg;
mega_scb *pScb;
char *user_area = NULL;

megaCfg = (mega_host_config *) SCpnt->host->hostdata;
- DRIVER_LOCK (megaCfg);

if (!(megaCfg->flag & (1L << SCpnt->channel))) {
if (SCpnt->channel < megaCfg->productInfo.SCSIChanPresent)
@@ -3571,7 +2917,6 @@
megaCfg->qCompletedT->host_scribble = (unsigned char *) NULL;
megaCfg->qCcnt++;

- DRIVER_UNLOCK (megaCfg);
return 0;
} else if (megaCfg->flag & IN_RESET) {
SCpnt->result = (DID_RESET << 16);
@@ -3586,7 +2931,6 @@
megaCfg->qCompletedT->host_scribble = (unsigned char *) NULL;
megaCfg->qCcnt++;

- DRIVER_UNLOCK (megaCfg);
return 0;
}

@@ -3611,7 +2955,6 @@
megaCfg->qPcnt++;

if (mega_runpendq (megaCfg) == -1) {
- DRIVER_UNLOCK (megaCfg);
return 0;
}
}
@@ -3629,7 +2972,7 @@

if (pScb->SCpnt->cmnd[0] == M_RD_IOCTL_CMD_NEW) {
init_MUTEX_LOCKED (&pScb->ioctl_sem);
- IO_UNLOCK_IRQ(megaCfg->host);
+ spin_unlock_irq(megaCfg->host->host_lock);
down (&pScb->ioctl_sem);
user_area = (char *)*((u32*)&pScb->SCpnt->cmnd[4]);
if (copy_to_user
@@ -3638,21 +2981,18 @@
("megaraid: Error copying ioctl return value to user buffer.\n");
pScb->SCpnt->result = (DID_ERROR << 16);
}
- IO_LOCK_IRQ(megaCfg->host);
- DRIVER_LOCK (megaCfg);
+ spin_lock_irq(megaCfg->host->host_lock);
kfree (pScb->buff_ptr);
pScb->buff_ptr = NULL;
mega_cmd_done (megaCfg, pScb, pScb->SCpnt->result);
mega_rundoneq (megaCfg);
mega_runpendq (megaCfg);
- DRIVER_UNLOCK (megaCfg);
}

megaCfg->flag &= ~IN_QUEUE;

}

- DRIVER_UNLOCK (megaCfg);
return 0;
}

@@ -3974,41 +3314,10 @@
return count;
}

-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0) /*0x20300 */
#define CREATE_READ_PROC(string, fxn) create_proc_read_entry(string, \
S_IRUSR | S_IFREG,\
controller_proc_dir_entry,\
fxn, megaCfg)
-#else
-#define CREATE_READ_PROC(string, fxn) create_proc_read_entry(string,S_IRUSR | S_IFREG, controller_proc_dir_entry, fxn, megaCfg)
-
-static struct proc_dir_entry *
-create_proc_read_entry (const char *string,
- int mode,
- struct proc_dir_entry *parent,
- read_proc_t * fxn, mega_host_config * megaCfg)
-{
- struct proc_dir_entry *temp = NULL;
-
- temp = kmalloc (sizeof (struct proc_dir_entry), GFP_KERNEL);
- if (!temp)
- return NULL;
- memset (temp, 0, sizeof (struct proc_dir_entry));
-
- if ((temp->name = kmalloc (strlen (string) + 1, GFP_KERNEL)) == NULL) {
- kfree (temp);
- return NULL;
- }
-
- strcpy ((char *) temp->name, string);
- temp->namelen = strlen (string);
- temp->mode = mode; /*S_IFREG | S_IRUSR */ ;
- temp->data = (void *) megaCfg;
- temp->read_proc = fxn;
- proc_register (parent, temp);
- return temp;
-}
-#endif

static void mega_create_proc_entry (int index, struct proc_dir_entry *parent)
{
@@ -4018,14 +3327,8 @@

sprintf (string, "%d", index);

-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0) /*0x20300 */
controller_proc_dir_entry =
megaCfg->controller_proc_dir_entry = proc_mkdir (string, parent);
-#else
- controller_proc_dir_entry =
- megaCfg->controller_proc_dir_entry =
- create_proc_entry (string, S_IFDIR | S_IRUGO | S_IXUGO, parent);
-#endif

if (!controller_proc_dir_entry)
printk ("\nmegaraid: proc_mkdir failed\n");
@@ -4228,7 +3531,6 @@
* and the mid-layer operations are not connected with this flag.
*/

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
megacfg->scbList[idx].sgList =
pci_alloc_consistent (megacfg->dev,
sizeof (mega_64sglist) * MAX_SGLIST,
@@ -4237,9 +3539,6 @@

megacfg->scbList[idx].sg64List =
(mega_64sglist *) megacfg->scbList[idx].sgList;
-#else
- megacfg->scbList[idx].sgList = kmalloc (sizeof (mega_sglist) * MAX_SGLIST, GFP_ATOMIC | GFP_DMA);
-#endif

if (megacfg->scbList[idx].sgList == NULL) {
printk (KERN_WARNING
@@ -4247,7 +3546,6 @@
mega_freeSgList (megacfg);
return -1;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
megacfg->scbList[idx].pthru = pci_alloc_consistent (megacfg->dev,
sizeof (mega_passthru),
&(megacfg->scbList[idx].
@@ -4281,7 +3579,6 @@
("megaraid: allocation for bounce buffer failed\n");

megacfg->scbList[idx].dma_type = M_RD_DMA_TYPE_NONE;
-#endif

if (idx < MAX_COMMANDS) {
/*
@@ -4368,13 +3665,9 @@
dma_addr_t dma_addr;
u32 length;
mega_host_config *megacfg = NULL;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /* 0x020400 */
struct pci_dev pdev;
struct pci_dev *pdevp = &pdev;
-#else
- char *pdevp = NULL;
-#endif
- IO_LOCK_T;
+ unsigned long io_flags = 0;

if (!inode)
return -EINVAL;
@@ -4506,34 +3799,21 @@
shpnt = megaCtlrs[adapno]->host;
if(shpnt == NULL) return -ENODEV;

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
scsicmd = (Scsi_Cmnd *)kmalloc(sizeof(Scsi_Cmnd), GFP_KERNEL|GFP_DMA);
-#else
- scsicmd = (Scsi_Cmnd *)scsi_init_malloc(sizeof(Scsi_Cmnd),
- GFP_ATOMIC | GFP_DMA);
-#endif
if(scsicmd == NULL) return -ENOMEM;

memset(scsicmd, 0, sizeof(Scsi_Cmnd));
scsicmd->host = shpnt;

if( outlen || inlen ) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pdevp = &pdev;
memcpy(pdevp, megacfg->dev, sizeof(struct pci_dev));
pdevp->dma_mask = 0xffffffff;
-#else
- pdevp = NULL;
-#endif
- kvaddr = dma_alloc_consistent(pdevp, length, &dma_addr);
+ kvaddr = pci_alloc_consistent(pdevp, length, &dma_addr);

if( kvaddr == NULL ) {
printk(KERN_WARNING "megaraid:allocation failed\n");
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /*0x20400 */
kfree(scsicmd);
-#else
- scsi_init_free((char *)scsicmd, sizeof(Scsi_Cmnd));
-#endif
return -ENOMEM;
}

@@ -4550,10 +3830,10 @@

init_MUTEX_LOCKED(&mimd_ioctl_sem);

- IO_LOCK(shpnt);
+ spin_lock_irqsave(shpnt->host_lock,io_flags);
megaraid_queue(scsicmd, megadev_ioctl_done);

- IO_UNLOCK(shpnt);
+ spin_unlock_irqrestore(shpnt->host_lock,io_flags);

down(&mimd_ioctl_sem);

@@ -4575,13 +3855,9 @@
}

if (kvaddr) {
- dma_free_consistent(pdevp, length, kvaddr, dma_addr);
+ pci_free_consistent(pdevp, length, kvaddr, dma_addr);
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /*0x20400 */
kfree (scsicmd);
-#else
- scsi_init_free((char *)scsicmd, sizeof(Scsi_Cmnd));
-#endif

/* restore the user address */
ioc.ui.fcs.buffer = uaddr;
@@ -4643,37 +3919,25 @@
return ret;
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
scsicmd = (Scsi_Cmnd *)kmalloc(sizeof(Scsi_Cmnd), GFP_KERNEL|GFP_DMA);
-#else
- scsicmd = (Scsi_Cmnd *)scsi_init_malloc(sizeof(Scsi_Cmnd),
- GFP_ATOMIC | GFP_DMA);
-#endif
if(scsicmd == NULL) return -ENOMEM;

memset(scsicmd, 0, sizeof(Scsi_Cmnd));
scsicmd->host = shpnt;

if (outlen || inlen) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pdevp = &pdev;
memcpy(pdevp, megacfg->dev, sizeof(struct pci_dev));
pdevp->dma_mask = 0xffffffff;
-#else
- pdevp = NULL;
-#endif
+
/*
* Allocate a page of kernel space.
*/
- kvaddr = dma_alloc_consistent(pdevp, PAGE_SIZE, &dma_addr);
+ kvaddr = pci_alloc_consistent(pdevp, PAGE_SIZE, &dma_addr);

if( kvaddr == NULL ) {
printk (KERN_WARNING "megaraid:allocation failed\n");
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) /*0x20400 */
kfree(scsicmd);
-#else
- scsi_init_free((char *)scsicmd, sizeof(Scsi_Cmnd));
-#endif
return -ENOMEM;
}

@@ -4694,10 +3958,10 @@

init_MUTEX_LOCKED (&mimd_ioctl_sem);

- IO_LOCK(shpnt);
+ spin_lock_irqsave(shpnt->host_lock,io_flags);
megaraid_queue (scsicmd, megadev_ioctl_done);

- IO_UNLOCK(shpnt);
+ spin_unlock_irqrestore(shpnt->host_lock,io_flags);
down (&mimd_ioctl_sem);

if (!scsicmd->result && outlen) {
@@ -4721,14 +3985,10 @@
}

if (kvaddr) {
- dma_free_consistent(pdevp, PAGE_SIZE, kvaddr, dma_addr );
+ pci_free_consistent(pdevp, PAGE_SIZE, kvaddr, dma_addr );
}

-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
kfree (scsicmd);
-#else
- scsi_init_free((char *)scsicmd, sizeof(Scsi_Cmnd));
-#endif

/* restore user pointer */
ioc.data = uaddr;
@@ -4783,14 +4043,9 @@
/*
* prepare the SCB with information from the user ioctl structure
*/
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
pthru = scb->pthru;
-#else
- pthru = &scb->pthru;
-#endif
memcpy (pthru, &ioc->pthru, sizeof (mega_passthru));
mboxpthru = (struct mbox_passthru *) scb->mboxData;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
if (megacfg->flag & BOARD_64BIT) {
/* This is just a sample with one element
* This if executes onlu on 2.4 kernels
@@ -4813,14 +4068,6 @@
pthru->numsgelements = 0;
}

-#else
- {
- mboxpthru->dataxferaddr = virt_to_bus (&scb->pthru);
- pthru->dataxferaddr = virt_to_bus (ioc->data);
- pthru->numsgelements = 0;
- }
-#endif
-
pthru->reqsenselen = 14;
break;

@@ -4895,7 +4142,7 @@
mega_del_logdrv(mega_host_config *this_hba, int logdrv)
{
int rval;
- IO_LOCK_T;
+ unsigned long io_flags = 0;
DECLARE_WAIT_QUEUE_HEAD(wq);
mega_scb *scbp;

@@ -4903,16 +4150,16 @@
* Stop sending commands to the controller, queue them internally.
* When deletion is complete, ISR will flush the queue.
*/
- IO_LOCK(this_hba->host);
+ spin_lock_irqsave(this_hba->host->host_lock,io_flags);
this_hba->quiescent = 1;
- IO_UNLOCK(this_hba->host);
+ spin_unlock_irqrestore(this_hba->host->host_lock,io_flags);

while( this_hba->qPcnt ) {
sleep_on_timeout( &wq, 1*HZ ); /* sleep for 1s */
}
rval = mega_do_del_logdrv(this_hba, logdrv);

- IO_LOCK(this_hba->host);
+ spin_lock_irqsave(this_hba->host->host_lock,io_flags);
/*
* Attach the internal queue to the pending queue
*/
@@ -4946,18 +4193,13 @@
*/
if( this_hba->read_ldidmap) {
for( scbp = this_hba->qPendingH; scbp; scbp = scbp->next ) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
if( scbp->pthru->logdrv < 0x80 )
scbp->pthru->logdrv += 0x80;
-#else
- if( scbp->pthru.logdrv < 0x80 )
- scbp->pthru.logdrv += 0x80;
-#endif
}
}
this_hba->quiescent = 0;

- IO_UNLOCK(this_hba->host);
+ spin_unlock_irqrestore(this_hba->host->host_lock,io_flags);

return rval;
}
@@ -4998,100 +4240,8 @@
return rval;
}

-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
-void *
-dma_alloc_consistent(void *dev, size_t size, dma_addr_t *dma_addr)
-{
- void *_tv;
- int npages;
- int order = 0;
-
- /*
- * How many pages application needs
- */
- npages = size / PAGE_SIZE;
-
- /* Do we need one more page */
- if(size % PAGE_SIZE)
- npages++;
-
- order = mega_get_order(npages);
-
- _tv = (void *)__get_free_pages(GFP_DMA, order);
-
- if( _tv != NULL ) {
- memset(_tv, 0, size);
- *(dma_addr) = virt_to_bus(_tv);
- }
-
- return _tv;
-}
-
-/*
- * int mega_get_order(int)
- *
- * returns the order to be used as 2nd argument to __get_free_pages() - which
- * return pages equal to pow(2, order) - AM
- */
-int
-mega_get_order(int n)
-{
- int i = 0;
-
- while( pow_2(i++) < n )
- ; /* null statement */
-
- return i-1;
-}
-
-/*
- * int pow_2(int)
- *
- * calculates pow(2, i)
- */
-int
-pow_2(int i)
-{
- unsigned int v = 1;
-
- while(i--)
- v <<= 1;
-
- return v;
-}
-
-void
-dma_free_consistent(void *dev, size_t size, void *vaddr, dma_addr_t dma_addr)
-{
- int npages;
- int order = 0;
-
- npages = size / PAGE_SIZE;
-
- if(size % PAGE_SIZE)
- npages++;
-
- if (npages == 1)
- order = 0;
- else if (npages == 2)
- order = 1;
- else if (npages <= 4)
- order = 2;
- else
- order = 3;
-
- free_pages((unsigned long)vaddr, order);
-
-}
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
-static
-#endif /* LINUX VERSION 2.4.XX */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) || defined(MODULE)
-Scsi_Host_Template driver_template = MEGARAID;
+static Scsi_Host_Template driver_template = MEGARAID;

#include "scsi_module.c"
-#endif /* LINUX VERSION 2.4.XX || MODULE */

/* vi: set ts=4: */
-
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