Just indenting no code changes.
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.2.5.41/drivers/scsi/wd7000.c linux.2.5.41-ac2/drivers/scsi/wd7000.c
--- linux.2.5.41/drivers/scsi/wd7000.c 2002-10-07 22:12:26.000000000 +0100
+++ linux.2.5.41-ac2/drivers/scsi/wd7000.c 2002-10-09 16:01:07.000000000 +0100
@@ -216,8 +216,8 @@
*
*/
typedef volatile struct mailbox {
- unchar status;
- unchar scbptr[3]; /* SCSI-style - MSB first (big endian) */
+ unchar status;
+ unchar scbptr[3]; /* SCSI-style - MSB first (big endian) */
} Mailbox;
/*
@@ -225,38 +225,36 @@
* new global per-adapter data should put in here.
*/
typedef struct adapter {
- struct Scsi_Host *sh; /* Pointer to Scsi_Host structure */
- int iobase; /* This adapter's I/O base address */
- int irq; /* This adapter's IRQ level */
- int dma; /* This adapter's DMA channel */
- int int_counter; /* This adapter's interrupt counter */
- int bus_on; /* This adapter's BUS_ON time */
- int bus_off; /* This adapter's BUS_OFF time */
- struct { /* This adapter's mailboxes */
- Mailbox ogmb[OGMB_CNT]; /* Outgoing mailboxes */
- Mailbox icmb[ICMB_CNT]; /* Incoming mailboxes */
- } mb;
- int next_ogmb; /* to reduce contention at mailboxes */
- unchar control; /* shadows CONTROL port value */
- unchar rev1, rev2; /* filled in by wd7000_revision */
+ struct Scsi_Host *sh; /* Pointer to Scsi_Host structure */
+ int iobase; /* This adapter's I/O base address */
+ int irq; /* This adapter's IRQ level */
+ int dma; /* This adapter's DMA channel */
+ int int_counter; /* This adapter's interrupt counter */
+ int bus_on; /* This adapter's BUS_ON time */
+ int bus_off; /* This adapter's BUS_OFF time */
+ struct { /* This adapter's mailboxes */
+ Mailbox ogmb[OGMB_CNT]; /* Outgoing mailboxes */
+ Mailbox icmb[ICMB_CNT]; /* Incoming mailboxes */
+ } mb;
+ int next_ogmb; /* to reduce contention at mailboxes */
+ unchar control; /* shadows CONTROL port value */
+ unchar rev1, rev2; /* filled in by wd7000_revision */
} Adapter;
/*
* (linear) base address for ROM BIOS
*/
-static const long wd7000_biosaddr[] =
-{
- 0xc0000, 0xc2000, 0xc4000, 0xc6000, 0xc8000, 0xca000, 0xcc000, 0xce000,
- 0xd0000, 0xd2000, 0xd4000, 0xd6000, 0xd8000, 0xda000, 0xdc000, 0xde000
+static const long wd7000_biosaddr[] = {
+ 0xc0000, 0xc2000, 0xc4000, 0xc6000, 0xc8000, 0xca000, 0xcc000, 0xce000,
+ 0xd0000, 0xd2000, 0xd4000, 0xd6000, 0xd8000, 0xda000, 0xdc000, 0xde000
};
#define NUM_ADDRS (sizeof(wd7000_biosaddr)/sizeof(long))
-static const unsigned short wd7000_iobase[] =
-{
- 0x0300, 0x0308, 0x0310, 0x0318, 0x0320, 0x0328, 0x0330, 0x0338,
- 0x0340, 0x0348, 0x0350, 0x0358, 0x0360, 0x0368, 0x0370, 0x0378,
- 0x0380, 0x0388, 0x0390, 0x0398, 0x03a0, 0x03a8, 0x03b0, 0x03b8,
- 0x03c0, 0x03c8, 0x03d0, 0x03d8, 0x03e0, 0x03e8, 0x03f0, 0x03f8
+static const unsigned short wd7000_iobase[] = {
+ 0x0300, 0x0308, 0x0310, 0x0318, 0x0320, 0x0328, 0x0330, 0x0338,
+ 0x0340, 0x0348, 0x0350, 0x0358, 0x0360, 0x0368, 0x0370, 0x0378,
+ 0x0380, 0x0388, 0x0390, 0x0398, 0x03a0, 0x03a8, 0x03b0, 0x03b8,
+ 0x03c0, 0x03c8, 0x03d0, 0x03d8, 0x03e0, 0x03e8, 0x03f0, 0x03f8
};
#define NUM_IOPORTS (sizeof(wd7000_iobase)/sizeof(unsigned short))
@@ -270,36 +268,35 @@
* The following is set up by wd7000_detect, and used thereafter for
* proc and other global ookups
*/
-
+
#define UNITS 8
static struct Scsi_Host *wd7000_host[UNITS];
-#define BUS_ON 64 /* x 125ns = 8000ns (BIOS default) */
-#define BUS_OFF 15 /* x 125ns = 1875ns (BIOS default) */
+#define BUS_ON 64 /* x 125ns = 8000ns (BIOS default) */
+#define BUS_OFF 15 /* x 125ns = 1875ns (BIOS default) */
/*
* Standard Adapter Configurations - used by wd7000_detect
*/
typedef struct {
- short irq; /* IRQ level */
- short dma; /* DMA channel */
- unsigned iobase; /* I/O base address */
- short bus_on; /* Time that WD7000 spends on the AT-bus when */
- /* transferring data. BIOS default is 8000ns. */
- short bus_off; /* Time that WD7000 spends OFF THE BUS after */
- /* while it is transferring data. */
- /* BIOS default is 1875ns */
+ short irq; /* IRQ level */
+ short dma; /* DMA channel */
+ unsigned iobase; /* I/O base address */
+ short bus_on; /* Time that WD7000 spends on the AT-bus when */
+ /* transferring data. BIOS default is 8000ns. */
+ short bus_off; /* Time that WD7000 spends OFF THE BUS after */
+ /* while it is transferring data. */
+ /* BIOS default is 1875ns */
} Config;
/*
* Add here your configuration...
*/
-static Config configs[] =
-{
- { 15, 6, 0x350, BUS_ON, BUS_OFF }, /* defaults for single adapter */
- { 11, 5, 0x320, BUS_ON, BUS_OFF }, /* defaults for second adapter */
- { 7, 6, 0x350, BUS_ON, BUS_OFF }, /* My configuration (Zaga) */
- { -1, -1, 0x0, BUS_ON, BUS_OFF } /* Empty slot */
+static Config configs[] = {
+ {15, 6, 0x350, BUS_ON, BUS_OFF}, /* defaults for single adapter */
+ {11, 5, 0x320, BUS_ON, BUS_OFF}, /* defaults for second adapter */
+ {7, 6, 0x350, BUS_ON, BUS_OFF}, /* My configuration (Zaga) */
+ {-1, -1, 0x0, BUS_ON, BUS_OFF} /* Empty slot */
};
#define NUM_CONFIGS (sizeof(configs)/sizeof(Config))
@@ -309,14 +306,13 @@
* added for the Future Domain version.
*/
typedef struct signature {
- const char *sig; /* String to look for */
- unsigned long ofs; /* offset from BIOS base address */
- unsigned len; /* length of string */
+ const char *sig; /* String to look for */
+ unsigned long ofs; /* offset from BIOS base address */
+ unsigned len; /* length of string */
} Signature;
-static const Signature signatures[] =
-{
- {"SSTBIOS", 0x0000d, 7} /* "SSTBIOS" @ offset 0x0000d */
+static const Signature signatures[] = {
+ {"SSTBIOS", 0x0000d, 7} /* "SSTBIOS" @ offset 0x0000d */
};
#define NUM_SIGNATURES (sizeof(signatures)/sizeof(Signature))
@@ -363,14 +359,14 @@
* For INITIALIZATION:
*/
typedef struct initCmd {
- unchar op; /* command opcode (= 1) */
- unchar ID; /* Adapter's SCSI ID */
- unchar bus_on; /* Bus on time, x 125ns (see below) */
- unchar bus_off; /* Bus off time, "" "" */
- unchar rsvd; /* Reserved */
- unchar mailboxes[3]; /* Address of Mailboxes, MSB first */
- unchar ogmbs; /* Number of outgoing MBs, max 64, 0,1 = 1 */
- unchar icmbs; /* Number of incoming MBs, "" "" */
+ unchar op; /* command opcode (= 1) */
+ unchar ID; /* Adapter's SCSI ID */
+ unchar bus_on; /* Bus on time, x 125ns (see below) */
+ unchar bus_off; /* Bus off time, "" "" */
+ unchar rsvd; /* Reserved */
+ unchar mailboxes[3]; /* Address of Mailboxes, MSB first */
+ unchar ogmbs; /* Number of outgoing MBs, max 64, 0,1 = 1 */
+ unchar icmbs; /* Number of incoming MBs, "" "" */
} InitCmd;
/*
@@ -430,29 +426,29 @@
* WD7000-specific scatter/gather element structure
*/
typedef struct sgb {
- unchar len[3];
- unchar ptr[3]; /* Also SCSI-style - MSB first */
+ unchar len[3];
+ unchar ptr[3]; /* Also SCSI-style - MSB first */
} Sgb;
typedef struct scb { /* Command Control Block 5.4.1 */
- unchar op; /* Command Control Block Operation Code */
- unchar idlun; /* op=0,2:Target Id, op=1:Initiator Id */
- /* Outbound data transfer, length is checked */
- /* Inbound data transfer, length is checked */
- /* Logical Unit Number */
- unchar cdb[12]; /* SCSI Command Block */
- volatile unchar status; /* SCSI Return Status */
- volatile unchar vue; /* Vendor Unique Error Code */
- unchar maxlen[3]; /* Maximum Data Transfer Length */
- unchar dataptr[3]; /* SCSI Data Block Pointer */
- unchar linkptr[3]; /* Next Command Link Pointer */
- unchar direc; /* Transfer Direction */
- unchar reserved2[6]; /* SCSI Command Descriptor Block */
- /* end of hardware SCB */
- Scsi_Cmnd *SCpnt; /* Scsi_Cmnd using this SCB */
- Sgb sgb[WD7000_SG]; /* Scatter/gather list for this SCB */
- Adapter *host; /* host adapter */
- struct scb *next; /* for lists of scbs */
+ unchar op; /* Command Control Block Operation Code */
+ unchar idlun; /* op=0,2:Target Id, op=1:Initiator Id */
+ /* Outbound data transfer, length is checked */
+ /* Inbound data transfer, length is checked */
+ /* Logical Unit Number */
+ unchar cdb[12]; /* SCSI Command Block */
+ volatile unchar status; /* SCSI Return Status */
+ volatile unchar vue; /* Vendor Unique Error Code */
+ unchar maxlen[3]; /* Maximum Data Transfer Length */
+ unchar dataptr[3]; /* SCSI Data Block Pointer */
+ unchar linkptr[3]; /* Next Command Link Pointer */
+ unchar direc; /* Transfer Direction */
+ unchar reserved2[6]; /* SCSI Command Descriptor Block */
+ /* end of hardware SCB */
+ Scsi_Cmnd *SCpnt; /* Scsi_Cmnd using this SCB */
+ Sgb sgb[WD7000_SG]; /* Scatter/gather list for this SCB */
+ Adapter *host; /* host adapter */
+ struct scb *next; /* for lists of scbs */
} Scb;
/*
@@ -484,56 +480,56 @@
#define ICB_OP_GET_EPARMS 0x8F /* read execution parameters */
typedef struct icbRecvCmd {
- unchar op;
- unchar IDlun; /* Initiator SCSI ID/lun */
- unchar len[3]; /* command buffer length */
- unchar ptr[3]; /* command buffer address */
- unchar rsvd[7]; /* reserved */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ unchar IDlun; /* Initiator SCSI ID/lun */
+ unchar len[3]; /* command buffer length */
+ unchar ptr[3]; /* command buffer address */
+ unchar rsvd[7]; /* reserved */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbRecvCmd;
typedef struct icbSendStat {
- unchar op;
- unchar IDlun; /* Target SCSI ID/lun */
- unchar stat; /* (outgoing) completion status byte 1 */
- unchar rsvd[12]; /* reserved */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ unchar IDlun; /* Target SCSI ID/lun */
+ unchar stat; /* (outgoing) completion status byte 1 */
+ unchar rsvd[12]; /* reserved */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbSendStat;
typedef struct icbRevLvl {
- unchar op;
- volatile unchar primary; /* primary revision level (returned) */
- volatile unchar secondary; /* secondary revision level (returned) */
- unchar rsvd[12]; /* reserved */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ volatile unchar primary; /* primary revision level (returned) */
+ volatile unchar secondary; /* secondary revision level (returned) */
+ unchar rsvd[12]; /* reserved */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbRevLvl;
typedef struct icbUnsMask { /* I'm totally guessing here */
- unchar op;
- volatile unchar mask[14]; /* mask bits */
+ unchar op;
+ volatile unchar mask[14]; /* mask bits */
#if 0
- unchar rsvd[12]; /* reserved */
+ unchar rsvd[12]; /* reserved */
#endif
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbUnsMask;
typedef struct icbDiag {
- unchar op;
- unchar type; /* diagnostics type code (0-3) */
- unchar len[3]; /* buffer length */
- unchar ptr[3]; /* buffer address */
- unchar rsvd[7]; /* reserved */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ unchar type; /* diagnostics type code (0-3) */
+ unchar len[3]; /* buffer length */
+ unchar ptr[3]; /* buffer address */
+ unchar rsvd[7]; /* reserved */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbDiag;
#define ICB_DIAG_POWERUP 0 /* Power-up diags only */
@@ -542,34 +538,34 @@
#define ICB_DIAG_FULL 3 /* do both 1 & 2 */
typedef struct icbParms {
- unchar op;
- unchar rsvd1; /* reserved */
- unchar len[3]; /* parms buffer length */
- unchar ptr[3]; /* parms buffer address */
- unchar idx[2]; /* index (MSB-LSB) */
- unchar rsvd2[5]; /* reserved */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ unchar rsvd1; /* reserved */
+ unchar len[3]; /* parms buffer length */
+ unchar ptr[3]; /* parms buffer address */
+ unchar idx[2]; /* index (MSB-LSB) */
+ unchar rsvd2[5]; /* reserved */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbParms;
typedef struct icbAny {
- unchar op;
- unchar data[14]; /* format-specific data */
- volatile unchar vue; /* vendor-unique error code */
- volatile unchar status; /* returned (icmb) status */
- volatile unchar phase; /* used by interrupt handler */
+ unchar op;
+ unchar data[14]; /* format-specific data */
+ volatile unchar vue; /* vendor-unique error code */
+ volatile unchar status; /* returned (icmb) status */
+ volatile unchar phase; /* used by interrupt handler */
} IcbAny;
typedef union icb {
- unchar op; /* ICB opcode */
- IcbRecvCmd recv_cmd; /* format for receive command */
- IcbSendStat send_stat; /* format for send status */
- IcbRevLvl rev_lvl; /* format for get revision level */
- IcbDiag diag; /* format for execute diagnostics */
- IcbParms eparms; /* format for get/set exec parms */
- IcbAny icb; /* generic format */
- unchar data[18];
+ unchar op; /* ICB opcode */
+ IcbRecvCmd recv_cmd; /* format for receive command */
+ IcbSendStat send_stat; /* format for send status */
+ IcbRevLvl rev_lvl; /* format for get revision level */
+ IcbDiag diag; /* format for execute diagnostics */
+ IcbParms eparms; /* format for get/set exec parms */
+ IcbAny icb; /* generic format */
+ unchar data[18];
} Icb;
#ifdef MODULE
@@ -586,22 +582,19 @@
static Scb scbs[MAX_SCBS];
static Scb *scbfree; /* free list */
static int freescbs = MAX_SCBS; /* free list counter */
-static spinlock_t scbpool_lock; /* guards the scb free list and count */
+static spinlock_t scbpool_lock; /* guards the scb free list and count */
/*
* END of data/declarations - code follows.
*/
static void __init setup_error(char *mesg, int *ints)
{
- if (ints[0] == 3)
- printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x\" -> %s\n",
- ints[1], ints[2], ints[3], mesg);
- else if (ints[0] == 4)
- printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x,%d\" -> %s\n",
- ints[1], ints[2], ints[3], ints[4], mesg);
- else
- printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x,%d,%d\" -> %s\n",
- ints[1], ints[2], ints[3], ints[4], ints[5], mesg);
+ if (ints[0] == 3)
+ printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x\" -> %s\n", ints[1], ints[2], ints[3], mesg);
+ else if (ints[0] == 4)
+ printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x,%d\" -> %s\n", ints[1], ints[2], ints[3], ints[4], mesg);
+ else
+ printk(KERN_ERR "wd7000_setup: \"wd7000=%d,%d,0x%x,%d,%d\" -> %s\n", ints[1], ints[2], ints[3], ints[4], ints[5], mesg);
}
@@ -621,23 +614,19 @@
*/
static int __init wd7000_setup(char *str)
{
- static short wd7000_card_num; /* .bss will zero this */
+ static short wd7000_card_num; /* .bss will zero this */
short i;
int ints[6];
- (void)get_options(str, ARRAY_SIZE(ints), ints);
+ (void) get_options(str, ARRAY_SIZE(ints), ints);
if (wd7000_card_num >= NUM_CONFIGS) {
- printk(KERN_ERR
- "%s: Too many \"wd7000=\" configurations in "
- "command line!\n", __FUNCTION__);
+ printk(KERN_ERR "%s: Too many \"wd7000=\" configurations in " "command line!\n", __FUNCTION__);
return 0;
}
if ((ints[0] < 3) || (ints[0] > 5)) {
- printk(KERN_ERR "%s: Error in command line! "
- "Usage: wd7000=<IRQ>,<DMA>,IO>[,<BUS_ON>"
- "[,<BUS_OFF>]]\n", __FUNCTION__);
+ printk(KERN_ERR "%s: Error in command line! " "Usage: wd7000=<IRQ>,<DMA>,IO>[,<BUS_ON>" "[,<BUS_OFF>]]\n", __FUNCTION__);
} else {
for (i = 0; i < NUM_IRQS; i++)
if (ints[1] == wd7000_irq[i])
@@ -671,8 +660,7 @@
if (ints[0] > 3) {
if ((ints[4] < 500) || (ints[4] > 31875)) {
- setup_error("BUS_ON value is out of range (500"
- " to 31875 nanoseconds)!", ints);
+ setup_error("BUS_ON value is out of range (500" " to 31875 nanoseconds)!", ints);
configs[wd7000_card_num].bus_on = BUS_ON;
} else
configs[wd7000_card_num].bus_on = ints[4] / 125;
@@ -681,12 +669,10 @@
if (ints[0] > 4) {
if ((ints[5] < 500) || (ints[5] > 31875)) {
- setup_error("BUS_OFF value is out of range (500"
- " to 31875 nanoseconds)!", ints);
+ setup_error("BUS_OFF value is out of range (500" " to 31875 nanoseconds)!", ints);
configs[wd7000_card_num].bus_off = BUS_OFF;
} else
- configs[wd7000_card_num].bus_off = ints[5] /
- 125;
+ configs[wd7000_card_num].bus_off = ints[5] / 125;
} else
configs[wd7000_card_num].bus_off = BUS_OFF;
@@ -696,32 +682,22 @@
for (; j < wd7000_card_num; j++)
if (configs[i].irq == configs[j].irq) {
- setup_error("duplicated IRQ!",
- ints);
- return 0;
- }
- if (configs[i].dma == configs[j].dma) {
- setup_error("duplicated DMA "
- "channel!", ints);
- return 0;
- }
- if (configs[i].iobase ==
- configs[j].iobase) {
- setup_error("duplicated I/O "
- "base address!",
- ints);
+ setup_error("duplicated IRQ!", ints);
return 0;
}
+ if (configs[i].dma == configs[j].dma) {
+ setup_error("duplicated DMA " "channel!", ints);
+ return 0;
+ }
+ if (configs[i].iobase == configs[j].iobase) {
+ setup_error("duplicated I/O " "base address!", ints);
+ return 0;
+ }
}
}
dprintk(KERN_DEBUG "wd7000_setup: IRQ=%d, DMA=%d, I/O=0x%x, "
- "BUS_ON=%dns, BUS_OFF=%dns\n",
- configs[wd7000_card_num].irq,
- configs[wd7000_card_num].dma,
- configs[wd7000_card_num].iobase,
- configs[wd7000_card_num].bus_on * 125,
- configs[wd7000_card_num].bus_off * 125);
+ "BUS_ON=%dns, BUS_OFF=%dns\n", configs[wd7000_card_num].irq, configs[wd7000_card_num].dma, configs[wd7000_card_num].iobase, configs[wd7000_card_num].bus_on * 125, configs[wd7000_card_num].bus_off * 125);
wd7000_card_num++;
}
@@ -740,29 +716,29 @@
* (They were simply 4-byte versions of these routines).
*/
typedef union { /* let's cheat... */
- int i;
- unchar u[sizeof (int)]; /* the sizeof(int) makes it more portable */
+ int i;
+ unchar u[sizeof(int)]; /* the sizeof(int) makes it more portable */
} i_u;
-static inline void any2scsi (unchar * scsi, int any)
+static inline void any2scsi(unchar * scsi, int any)
{
- *scsi++ = ((i_u) any).u[2];
- *scsi++ = ((i_u) any).u[1];
- *scsi++ = ((i_u) any).u[0];
+ *scsi++ = ((i_u) any).u[2];
+ *scsi++ = ((i_u) any).u[1];
+ *scsi++ = ((i_u) any).u[0];
}
-static inline int scsi2int (unchar * scsi)
+static inline int scsi2int(unchar * scsi)
{
- i_u result;
+ i_u result;
- result.i = 0; /* clears unused bytes */
- result.u[2] = *scsi++;
- result.u[1] = *scsi++;
- result.u[0] = *scsi++;
+ result.i = 0; /* clears unused bytes */
+ result.u[2] = *scsi++;
+ result.u[1] = *scsi++;
+ result.u[0] = *scsi++;
- return (result.i);
+ return (result.i);
}
#else
/*
@@ -780,63 +756,63 @@
#endif
-static inline void wd7000_enable_intr (Adapter *host)
+static inline void wd7000_enable_intr(Adapter * host)
{
- host->control |= INT_EN;
- outb (host->control, host->iobase + ASC_CONTROL);
+ host->control |= INT_EN;
+ outb(host->control, host->iobase + ASC_CONTROL);
}
-static inline void wd7000_enable_dma (Adapter *host)
+static inline void wd7000_enable_dma(Adapter * host)
{
- unsigned long flags;
- host->control |= DMA_EN;
- outb (host->control, host->iobase + ASC_CONTROL);
-
- flags = claim_dma_lock();
- set_dma_mode (host->dma, DMA_MODE_CASCADE);
- enable_dma (host->dma);
- release_dma_lock(flags);
-
+ unsigned long flags;
+ host->control |= DMA_EN;
+ outb(host->control, host->iobase + ASC_CONTROL);
+
+ flags = claim_dma_lock();
+ set_dma_mode(host->dma, DMA_MODE_CASCADE);
+ enable_dma(host->dma);
+ release_dma_lock(flags);
+
}
#define WAITnexttimeout 200 /* 2 seconds */
-static inline short WAIT (unsigned port, unsigned mask, unsigned allof, unsigned noneof)
+static inline short WAIT(unsigned port, unsigned mask, unsigned allof, unsigned noneof)
{
- register unsigned WAITbits;
- register unsigned long WAITtimeout = jiffies + WAITnexttimeout;
+ register unsigned WAITbits;
+ register unsigned long WAITtimeout = jiffies + WAITnexttimeout;
- while (time_before_eq(jiffies, WAITtimeout)) {
- WAITbits = inb (port) & mask;
+ while (time_before_eq(jiffies, WAITtimeout)) {
+ WAITbits = inb(port) & mask;
- if (((WAITbits & allof) == allof) && ((WAITbits & noneof) == 0))
- return (0);
- }
+ if (((WAITbits & allof) == allof) && ((WAITbits & noneof) == 0))
+ return (0);
+ }
- return (1);
+ return (1);
}
-static inline int command_out (Adapter * host, unchar * cmd, int len)
+static inline int command_out(Adapter * host, unchar * cmd, int len)
{
- if (!WAIT (host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
- while (len--) {
- do {
- outb (*cmd, host->iobase + ASC_COMMAND);
- WAIT (host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0);
- } while (inb (host->iobase + ASC_STAT) & CMD_REJ);
+ if (!WAIT(host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
+ while (len--) {
+ do {
+ outb(*cmd, host->iobase + ASC_COMMAND);
+ WAIT(host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0);
+ } while (inb(host->iobase + ASC_STAT) & CMD_REJ);
- cmd++;
- }
+ cmd++;
+ }
- return (1);
- }
+ return (1);
+ }
- printk(KERN_WARNING "wd7000 command_out: WAIT failed(%d)\n", len + 1);
+ printk(KERN_WARNING "wd7000 command_out: WAIT failed(%d)\n", len + 1);
- return (0);
+ return (0);
}
@@ -852,655 +828,645 @@
*/
static inline Scb *alloc_scbs(struct Scsi_Host *host, int needed)
{
- register Scb *scb, *p = NULL;
- register unsigned long flags;
- register unsigned long timeout = jiffies + WAITnexttimeout;
- register unsigned long now;
- int i;
-
- if (needed <= 0)
- return (NULL); /* sanity check */
-
- spin_unlock_irq(host->host_lock);
-
-retry:
- while (freescbs < needed) {
- timeout = jiffies + WAITnexttimeout;
- do {
- /* FIXME: can we actually just yield here ?? */
- for (now = jiffies; now == jiffies; )
- cpu_relax(); /* wait a jiffy */
- } while (freescbs < needed && time_before_eq(jiffies, timeout));
- /*
- * If we get here with enough free Scbs, we can take them.
- * Otherwise, we timed out and didn't get enough.
- */
+ register Scb *scb, *p = NULL;
+ register unsigned long flags;
+ register unsigned long timeout = jiffies + WAITnexttimeout;
+ register unsigned long now;
+ int i;
+
+ if (needed <= 0)
+ return (NULL); /* sanity check */
+
+ spin_unlock_irq(host->host_lock);
+
+ retry:
+ while (freescbs < needed) {
+ timeout = jiffies + WAITnexttimeout;
+ do {
+ /* FIXME: can we actually just yield here ?? */
+ for (now = jiffies; now == jiffies;)
+ cpu_relax(); /* wait a jiffy */
+ } while (freescbs < needed && time_before_eq(jiffies, timeout));
+ /*
+ * If we get here with enough free Scbs, we can take them.
+ * Otherwise, we timed out and didn't get enough.
+ */
+ if (freescbs < needed) {
+ printk(KERN_ERR "wd7000: can't get enough free SCBs.\n");
+ return (NULL);
+ }
+ }
+
+ /* Take the lock, then check we didnt get beaten, if so try again */
+ spin_lock_irqsave(&scbpool_lock, flags);
if (freescbs < needed) {
- printk (KERN_ERR "wd7000: can't get enough free SCBs.\n");
- spin_unlock_irq(host->host_lock);
- return (NULL);
+ spin_unlock_irqrestore(&scbpool_lock, flags);
+ goto retry;
+ }
+
+ scb = scbfree;
+ freescbs -= needed;
+ for (i = 0; i < needed; i++) {
+ p = scbfree;
+ scbfree = p->next;
}
- }
+ p->next = NULL;
- /* Take the lock, then check we didnt get beaten, if so try again */
- spin_lock_irqsave(&scbpool_lock, flags);
- if(freescbs < needed)
- {
- spin_unlock_irqrestore(&scbpool_lock, flags);
- goto retry;
- }
-
- scb = scbfree;
- freescbs -= needed;
- for (i = 0; i < needed; i++) {
- p = scbfree;
- scbfree = p->next;
- }
- p->next = NULL;
-
- spin_unlock_irqrestore(&scbpool_lock, flags);
+ spin_unlock_irqrestore(&scbpool_lock, flags);
- spin_lock_irq(host->host_lock);
- return (scb);
+ spin_lock_irq(host->host_lock);
+ return (scb);
}
-static inline void free_scb (Scb *scb)
+static inline void free_scb(Scb * scb)
{
- register unsigned long flags;
+ register unsigned long flags;
- spin_lock_irqsave(&scbpool_lock, flags);
+ spin_lock_irqsave(&scbpool_lock, flags);
- memset (scb, 0, sizeof (Scb));
- scb->next = scbfree;
- scbfree = scb;
- freescbs++;
+ memset(scb, 0, sizeof(Scb));
+ scb->next = scbfree;
+ scbfree = scb;
+ freescbs++;
- spin_unlock_irqrestore(&scbpool_lock, flags);
+ spin_unlock_irqrestore(&scbpool_lock, flags);
}
-static inline void init_scbs (void)
+static inline void init_scbs(void)
{
- int i;
+ int i;
- spin_lock_init(&scbpool_lock);
+ spin_lock_init(&scbpool_lock);
- /* This is only ever called before the SCB pool is active */
-
- scbfree = &(scbs[0]);
- memset (scbs, 0, sizeof (scbs));
- for (i = 0; i < MAX_SCBS - 1; i++) {
- scbs[i].next = &(scbs[i + 1]);
- scbs[i].SCpnt = NULL;
- }
- scbs[MAX_SCBS - 1].next = NULL;
- scbs[MAX_SCBS - 1].SCpnt = NULL;
+ /* This is only ever called before the SCB pool is active */
+
+ scbfree = &(scbs[0]);
+ memset(scbs, 0, sizeof(scbs));
+ for (i = 0; i < MAX_SCBS - 1; i++) {
+ scbs[i].next = &(scbs[i + 1]);
+ scbs[i].SCpnt = NULL;
+ }
+ scbs[MAX_SCBS - 1].next = NULL;
+ scbs[MAX_SCBS - 1].SCpnt = NULL;
}
-static int mail_out (Adapter *host, Scb *scbptr)
+static int mail_out(Adapter * host, Scb * scbptr)
/*
* Note: this can also be used for ICBs; just cast to the parm type.
*/
{
- register int i, ogmb;
- register unsigned long flags;
- unchar start_ogmb;
- Mailbox *ogmbs = host->mb.ogmb;
- int *next_ogmb = &(host->next_ogmb);
-
- dprintk("wd7000_mail_out: 0x%06lx", (long) scbptr);
-
- /* We first look for a free outgoing mailbox */
- spin_lock_irqsave(host->sh->host_lock, flags);
- ogmb = *next_ogmb;
- for (i = 0; i < OGMB_CNT; i++) {
- if (ogmbs[ogmb].status == 0) {
- dprintk(" using OGMB 0x%x", ogmb);
- ogmbs[ogmb].status = 1;
- any2scsi ((unchar *) ogmbs[ogmb].scbptr, (int) scbptr);
+ register int i, ogmb;
+ register unsigned long flags;
+ unchar start_ogmb;
+ Mailbox *ogmbs = host->mb.ogmb;
+ int *next_ogmb = &(host->next_ogmb);
+
+ dprintk("wd7000_mail_out: 0x%06lx", (long) scbptr);
+
+ /* We first look for a free outgoing mailbox */
+ spin_lock_irqsave(host->sh->host_lock, flags);
+ ogmb = *next_ogmb;
+ for (i = 0; i < OGMB_CNT; i++) {
+ if (ogmbs[ogmb].status == 0) {
+ dprintk(" using OGMB 0x%x", ogmb);
+ ogmbs[ogmb].status = 1;
+ any2scsi((unchar *) ogmbs[ogmb].scbptr, (int) scbptr);
- *next_ogmb = (ogmb + 1) % OGMB_CNT;
- break;
+ *next_ogmb = (ogmb + 1) % OGMB_CNT;
+ break;
+ } else
+ ogmb = (ogmb + 1) % OGMB_CNT;
}
- else
- ogmb = (ogmb + 1) % OGMB_CNT;
- }
- spin_unlock_irqrestore(host->sh->host_lock, flags);
-
- dprintk(", scb is 0x%06lx", (long) scbptr);
+ spin_unlock_irqrestore(host->sh->host_lock, flags);
- if (i >= OGMB_CNT) {
- /*
- * Alternatively, we might issue the "interrupt on free OGMB",
- * and sleep, but it must be ensured that it isn't the init
- * task running. Instead, this version assumes that the caller
- * will be persistent, and try again. Since it's the adapter
- * that marks OGMB's free, waiting even with interrupts off
- * should work, since they are freed very quickly in most cases.
- */
- dprintk(", no free OGMBs.\n");
- return (0);
- }
+ dprintk(", scb is 0x%06lx", (long) scbptr);
+
+ if (i >= OGMB_CNT) {
+ /*
+ * Alternatively, we might issue the "interrupt on free OGMB",
+ * and sleep, but it must be ensured that it isn't the init
+ * task running. Instead, this version assumes that the caller
+ * will be persistent, and try again. Since it's the adapter
+ * that marks OGMB's free, waiting even with interrupts off
+ * should work, since they are freed very quickly in most cases.
+ */
+ dprintk(", no free OGMBs.\n");
+ return (0);
+ }
- wd7000_enable_intr (host);
+ wd7000_enable_intr(host);
- start_ogmb = START_OGMB | ogmb;
- command_out (host, &start_ogmb, 1);
+ start_ogmb = START_OGMB | ogmb;
+ command_out(host, &start_ogmb, 1);
- dprintk(", awaiting interrupt.\n");
+ dprintk(", awaiting interrupt.\n");
- return (1);
+ return (1);
}
-static int make_code (unsigned hosterr, unsigned scsierr)
+static int make_code(unsigned hosterr, unsigned scsierr)
{
#ifdef WD7000_DEBUG
- int in_error = hosterr;
+ int in_error = hosterr;
#endif
- switch ((hosterr >> 8) & 0xff) {
- case 0: /* Reserved */
- hosterr = DID_ERROR;
- break;
- case 1: /* Command Complete, no errors */
- hosterr = DID_OK;
- break;
- case 2: /* Command complete, error logged in scb status (scsierr) */
- hosterr = DID_OK;
- break;
- case 4: /* Command failed to complete - timeout */
- hosterr = DID_TIME_OUT;
- break;
- case 5: /* Command terminated; Bus reset by external device */
- hosterr = DID_RESET;
- break;
- case 6: /* Unexpected Command Received w/ host as target */
- hosterr = DID_BAD_TARGET;
- break;
- case 80: /* Unexpected Reselection */
- case 81: /* Unexpected Selection */
- hosterr = DID_BAD_INTR;
- break;
- case 82: /* Abort Command Message */
- hosterr = DID_ABORT;
- break;
- case 83: /* SCSI Bus Software Reset */
- case 84: /* SCSI Bus Hardware Reset */
- hosterr = DID_RESET;
- break;
- default: /* Reserved */
- hosterr = DID_ERROR;
- }
+ switch ((hosterr >> 8) & 0xff) {
+ case 0: /* Reserved */
+ hosterr = DID_ERROR;
+ break;
+ case 1: /* Command Complete, no errors */
+ hosterr = DID_OK;
+ break;
+ case 2: /* Command complete, error logged in scb status (scsierr) */
+ hosterr = DID_OK;
+ break;
+ case 4: /* Command failed to complete - timeout */
+ hosterr = DID_TIME_OUT;
+ break;
+ case 5: /* Command terminated; Bus reset by external device */
+ hosterr = DID_RESET;
+ break;
+ case 6: /* Unexpected Command Received w/ host as target */
+ hosterr = DID_BAD_TARGET;
+ break;
+ case 80: /* Unexpected Reselection */
+ case 81: /* Unexpected Selection */
+ hosterr = DID_BAD_INTR;
+ break;
+ case 82: /* Abort Command Message */
+ hosterr = DID_ABORT;
+ break;
+ case 83: /* SCSI Bus Software Reset */
+ case 84: /* SCSI Bus Hardware Reset */
+ hosterr = DID_RESET;
+ break;
+ default: /* Reserved */
+ hosterr = DID_ERROR;
+ }
#ifdef WD7000_DEBUG
- if (scsierr || hosterr)
- dprintk("\nSCSI command error: SCSI 0x%02x host 0x%04x return %d\n",
- scsierr, in_error, hosterr);
+ if (scsierr || hosterr)
+ dprintk("\nSCSI command error: SCSI 0x%02x host 0x%04x return %d\n", scsierr, in_error, hosterr);
#endif
- return (scsierr | (hosterr << 16));
+ return (scsierr | (hosterr << 16));
}
-static void wd7000_scsi_done (Scsi_Cmnd *SCpnt)
+static void wd7000_scsi_done(Scsi_Cmnd * SCpnt)
{
- dprintk("wd7000_scsi_done: 0x%06lx\n", (long)SCpnt);
- SCpnt->SCp.phase = 0;
+ dprintk("wd7000_scsi_done: 0x%06lx\n", (long) SCpnt);
+ SCpnt->SCp.phase = 0;
}
#define wd7000_intr_ack(host) outb (0, host->iobase + ASC_INTR_ACK)
-static void wd7000_intr_handle (int irq, void *dev_id, struct pt_regs *regs)
+static void wd7000_intr_handle(int irq, void *dev_id, struct pt_regs *regs)
{
- register int flag, icmb, errstatus, icmb_status;
- register int host_error, scsi_error;
- register Scb *scb; /* for SCSI commands */
- register IcbAny *icb; /* for host commands */
- register Scsi_Cmnd *SCpnt;
- Adapter *host = (Adapter *)dev_id;
- Mailbox *icmbs = host->mb.icmb;
-
- host->int_counter++;
-
- dprintk("wd7000_intr_handle: irq = %d, host = 0x%06lx\n", irq, (long) host);
-
- flag = inb (host->iobase + ASC_INTR_STAT);
-
- dprintk("wd7000_intr_handle: intr stat = 0x%02x\n", flag);
-
- if (!(inb (host->iobase + ASC_STAT) & INT_IM)) {
- /* NB: these are _very_ possible if IRQ 15 is being used, since
- * it's the "garbage collector" on the 2nd 8259 PIC. Specifically,
- * any interrupt signal into the 8259 which can't be identified
- * comes out as 7 from the 8259, which is 15 to the host. Thus, it
- * is a good thing the WD7000 has an interrupt status port, so we
- * can sort these out. Otherwise, electrical noise and other such
- * problems would be indistinguishable from valid interrupts...
- */
- dprintk("wd7000_intr_handle: phantom interrupt...\n");
- wd7000_intr_ack (host);
- return;
- }
-
- if (flag & MB_INTR) {
- /* The interrupt is for a mailbox */
- if (!(flag & IMB_INTR)) {
- dprintk("wd7000_intr_handle: free outgoing mailbox\n");
- /*
- * If sleep_on() and the "interrupt on free OGMB" command are
- * used in mail_out(), wake_up() should correspondingly be called
- * here. For now, we don't need to do anything special.
- */
- wd7000_intr_ack (host);
- return;
- }
- else {
- /* The interrupt is for an incoming mailbox */
- icmb = flag & MB_MASK;
- icmb_status = icmbs[icmb].status;
- if (icmb_status & 0x80) { /* unsolicited - result in ICMB */
- dprintk("wd7000_intr_handle: unsolicited interrupt 0x%02x\n",
- icmb_status);
- wd7000_intr_ack (host);
+ register int flag, icmb, errstatus, icmb_status;
+ register int host_error, scsi_error;
+ register Scb *scb; /* for SCSI commands */
+ register IcbAny *icb; /* for host commands */
+ register Scsi_Cmnd *SCpnt;
+ Adapter *host = (Adapter *) dev_id;
+ Mailbox *icmbs = host->mb.icmb;
+
+ host->int_counter++;
+
+ dprintk("wd7000_intr_handle: irq = %d, host = 0x%06lx\n", irq, (long) host);
+
+ flag = inb(host->iobase + ASC_INTR_STAT);
+
+ dprintk("wd7000_intr_handle: intr stat = 0x%02x\n", flag);
+
+ if (!(inb(host->iobase + ASC_STAT) & INT_IM)) {
+ /* NB: these are _very_ possible if IRQ 15 is being used, since
+ * it's the "garbage collector" on the 2nd 8259 PIC. Specifically,
+ * any interrupt signal into the 8259 which can't be identified
+ * comes out as 7 from the 8259, which is 15 to the host. Thus, it
+ * is a good thing the WD7000 has an interrupt status port, so we
+ * can sort these out. Otherwise, electrical noise and other such
+ * problems would be indistinguishable from valid interrupts...
+ */
+ dprintk("wd7000_intr_handle: phantom interrupt...\n");
+ wd7000_intr_ack(host);
return;
- }
- /* Aaaargh! (Zaga) */
- scb = isa_bus_to_virt(scsi2int ((unchar *) icmbs[icmb].scbptr));
- icmbs[icmb].status = 0;
- if (!(scb->op & ICB_OP_MASK)) { /* an SCB is done */
- SCpnt = scb->SCpnt;
- if (--(SCpnt->SCp.phase) <= 0) { /* all scbs are done */
- host_error = scb->vue | (icmb_status << 8);
- scsi_error = scb->status;
- errstatus = make_code (host_error, scsi_error);
- SCpnt->result = errstatus;
-
- free_scb (scb);
+ }
- SCpnt->scsi_done (SCpnt);
- }
- }
- else { /* an ICB is done */
- icb = (IcbAny *) scb;
- icb->status = icmb_status;
- icb->phase = 0;
- }
- } /* incoming mailbox */
- }
+ if (flag & MB_INTR) {
+ /* The interrupt is for a mailbox */
+ if (!(flag & IMB_INTR)) {
+ dprintk("wd7000_intr_handle: free outgoing mailbox\n");
+ /*
+ * If sleep_on() and the "interrupt on free OGMB" command are
+ * used in mail_out(), wake_up() should correspondingly be called
+ * here. For now, we don't need to do anything special.
+ */
+ wd7000_intr_ack(host);
+ return;
+ } else {
+ /* The interrupt is for an incoming mailbox */
+ icmb = flag & MB_MASK;
+ icmb_status = icmbs[icmb].status;
+ if (icmb_status & 0x80) { /* unsolicited - result in ICMB */
+ dprintk("wd7000_intr_handle: unsolicited interrupt 0x%02x\n", icmb_status);
+ wd7000_intr_ack(host);
+ return;
+ }
+ /* Aaaargh! (Zaga) */
+ scb = isa_bus_to_virt(scsi2int((unchar *) icmbs[icmb].scbptr));
+ icmbs[icmb].status = 0;
+ if (!(scb->op & ICB_OP_MASK)) { /* an SCB is done */
+ SCpnt = scb->SCpnt;
+ if (--(SCpnt->SCp.phase) <= 0) { /* all scbs are done */
+ host_error = scb->vue | (icmb_status << 8);
+ scsi_error = scb->status;
+ errstatus = make_code(host_error, scsi_error);
+ SCpnt->result = errstatus;
+
+ free_scb(scb);
+
+ SCpnt->scsi_done(SCpnt);
+ }
+ } else { /* an ICB is done */
+ icb = (IcbAny *) scb;
+ icb->status = icmb_status;
+ icb->phase = 0;
+ }
+ } /* incoming mailbox */
+ }
- wd7000_intr_ack (host);
+ wd7000_intr_ack(host);
- dprintk("wd7000_intr_handle: return from interrupt handler\n");
+ dprintk("wd7000_intr_handle: return from interrupt handler\n");
}
-static void do_wd7000_intr_handle (int irq, void *dev_id, struct pt_regs *regs)
+static void do_wd7000_intr_handle(int irq, void *dev_id, struct pt_regs *regs)
{
- unsigned long flags;
- struct Scsi_Host *host = dev_id;
+ unsigned long flags;
+ struct Scsi_Host *host = dev_id;
- spin_lock_irqsave(host->host_lock, flags);
- wd7000_intr_handle(irq, dev_id, regs);
- spin_unlock_irqrestore(host->host_lock, flags);
+ spin_lock_irqsave(host->host_lock, flags);
+ wd7000_intr_handle(irq, dev_id, regs);
+ spin_unlock_irqrestore(host->host_lock, flags);
}
-static int wd7000_queuecommand (Scsi_Cmnd *SCpnt, void (*done) (Scsi_Cmnd *))
+static int wd7000_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
{
- register Scb *scb;
- register Sgb *sgb;
- register unchar *cdb = (unchar *) SCpnt->cmnd;
- register unchar idlun;
- register short cdblen;
- Adapter *host = (Adapter *) SCpnt->host->hostdata;
-
- cdblen = SCpnt->cmd_len;
- idlun = ((SCpnt->target << 5) & 0xe0) | (SCpnt->lun & 7);
- SCpnt->scsi_done = done;
- SCpnt->SCp.phase = 1;
- scb = alloc_scbs(SCpnt->host, 1);
- scb->idlun = idlun;
- memcpy (scb->cdb, cdb, cdblen);
- scb->direc = 0x40; /* Disable direction check */
+ register Scb *scb;
+ register Sgb *sgb;
+ register unchar *cdb = (unchar *) SCpnt->cmnd;
+ register unchar idlun;
+ register short cdblen;
+ Adapter *host = (Adapter *) SCpnt->host->hostdata;
- scb->SCpnt = SCpnt; /* so we can find stuff later */
- SCpnt->host_scribble = (unchar *) scb;
- scb->host = host;
+ cdblen = SCpnt->cmd_len;
+ idlun = ((SCpnt->target << 5) & 0xe0) | (SCpnt->lun & 7);
+ SCpnt->scsi_done = done;
+ SCpnt->SCp.phase = 1;
+ scb = alloc_scbs(SCpnt->host, 1);
+ scb->idlun = idlun;
+ memcpy(scb->cdb, cdb, cdblen);
+ scb->direc = 0x40; /* Disable direction check */
- if (SCpnt->use_sg) {
- struct scatterlist *sg = (struct scatterlist *) SCpnt->request_buffer;
- unsigned i;
+ scb->SCpnt = SCpnt; /* so we can find stuff later */
+ SCpnt->host_scribble = (unchar *) scb;
+ scb->host = host;
- if (SCpnt->host->sg_tablesize == SG_NONE) {
- panic ("wd7000_queuecommand: scatter/gather not supported.\n");
- }
- dprintk ("Using scatter/gather with %d elements.\n", SCpnt->use_sg);
+ if (SCpnt->use_sg) {
+ struct scatterlist *sg = (struct scatterlist *) SCpnt->request_buffer;
+ unsigned i;
- sgb = scb->sgb;
- scb->op = 1;
- any2scsi (scb->dataptr, (int) sgb);
- any2scsi (scb->maxlen, SCpnt->use_sg * sizeof (Sgb));
+ if (SCpnt->host->sg_tablesize == SG_NONE) {
+ panic("wd7000_queuecommand: scatter/gather not supported.\n");
+ }
+ dprintk("Using scatter/gather with %d elements.\n", SCpnt->use_sg);
- for (i = 0; i < SCpnt->use_sg; i++) {
- any2scsi (sgb[i].ptr,
- isa_page_to_bus(sg[i].page) + sg[i].offset);
- any2scsi (sgb[i].len, sg[i].length);
+ sgb = scb->sgb;
+ scb->op = 1;
+ any2scsi(scb->dataptr, (int) sgb);
+ any2scsi(scb->maxlen, SCpnt->use_sg * sizeof(Sgb));
+
+ for (i = 0; i < SCpnt->use_sg; i++) {
+ any2scsi(sgb[i].ptr, isa_page_to_bus(sg[i].page) + sg[i].offset);
+ any2scsi(sgb[i].len, sg[i].length);
+ }
+ } else {
+ scb->op = 0;
+ any2scsi(scb->dataptr, isa_virt_to_bus(SCpnt->request_buffer));
+ any2scsi(scb->maxlen, SCpnt->request_bufflen);
}
- }
- else {
- scb->op = 0;
- any2scsi (scb->dataptr, isa_virt_to_bus(SCpnt->request_buffer));
- any2scsi (scb->maxlen, SCpnt->request_bufflen);
- }
-
- /* FIXME: drop lock and yield here ? */
- while (!mail_out (host, scb))
- cpu_relax(); /* keep trying */
+ /* FIXME: drop lock and yield here ? */
+
+ while (!mail_out(host, scb))
+ cpu_relax(); /* keep trying */
- return 0;
+ return 0;
}
-static int wd7000_command (Scsi_Cmnd *SCpnt)
+static int wd7000_command(Scsi_Cmnd * SCpnt)
{
- wd7000_queuecommand (SCpnt, wd7000_scsi_done);
+ wd7000_queuecommand(SCpnt, wd7000_scsi_done);
- while (SCpnt->SCp.phase > 0)
- {
- cpu_relax();
- barrier(); /* phase counts scbs down to 0 */
- }
+ while (SCpnt->SCp.phase > 0) {
+ cpu_relax();
+ barrier(); /* phase counts scbs down to 0 */
+ }
- return (SCpnt->result);
+ return (SCpnt->result);
}
-static int wd7000_diagnostics (Adapter *host, int code)
+static int wd7000_diagnostics(Adapter * host, int code)
{
- static IcbDiag icb = {ICB_OP_DIAGNOSTICS};
- static unchar buf[256];
- unsigned long timeout;
+ static IcbDiag icb = { ICB_OP_DIAGNOSTICS };
+ static unchar buf[256];
+ unsigned long timeout;
- icb.type = code;
- any2scsi (icb.len, sizeof (buf));
- any2scsi (icb.ptr, (int) &buf);
- icb.phase = 1;
- /*
- * This routine is only called at init, so there should be OGMBs
- * available. I'm assuming so here. If this is going to
- * fail, I can just let the timeout catch the failure.
- */
- mail_out (host, (struct scb *) &icb);
- timeout = jiffies + WAITnexttimeout; /* wait up to 2 seconds */
- while (icb.phase && time_before(jiffies, timeout))
- {
- cpu_relax(); /* wait for completion */
- barrier();
- }
+ icb.type = code;
+ any2scsi(icb.len, sizeof(buf));
+ any2scsi(icb.ptr, (int) &buf);
+ icb.phase = 1;
+ /*
+ * This routine is only called at init, so there should be OGMBs
+ * available. I'm assuming so here. If this is going to
+ * fail, I can just let the timeout catch the failure.
+ */
+ mail_out(host, (struct scb *) &icb);
+ timeout = jiffies + WAITnexttimeout; /* wait up to 2 seconds */
+ while (icb.phase && time_before(jiffies, timeout)) {
+ cpu_relax(); /* wait for completion */
+ barrier();
+ }
- if (icb.phase) {
- printk ("wd7000_diagnostics: timed out.\n");
- return (0);
- }
- if (make_code (icb.vue | (icb.status << 8), 0)) {
- printk ("wd7000_diagnostics: failed (0x%02x,0x%02x)\n",
- icb.vue, icb.status);
- return (0);
- }
+ if (icb.phase) {
+ printk("wd7000_diagnostics: timed out.\n");
+ return (0);
+ }
+ if (make_code(icb.vue | (icb.status << 8), 0)) {
+ printk("wd7000_diagnostics: failed (0x%02x,0x%02x)\n", icb.vue, icb.status);
+ return (0);
+ }
- return (1);
+ return (1);
}
-static int wd7000_adapter_reset(Adapter *host)
+static int wd7000_adapter_reset(Adapter * host)
{
- InitCmd init_cmd =
- {
- INITIALIZATION,
- 7,
- host->bus_on,
- host->bus_off,
- 0,
- { 0, 0, 0 },
- OGMB_CNT,
- ICMB_CNT
- };
- int diag;
- /*
- * Reset the adapter - only. The SCSI bus was initialized at power-up,
- * and we need to do this just so we control the mailboxes, etc.
- */
- outb (ASC_RES, host->iobase + ASC_CONTROL);
- udelay(40); /* reset pulse: this is 40us, only need 25us */
- outb (0, host->iobase + ASC_CONTROL);
- host->control = 0; /* this must always shadow ASC_CONTROL */
-
- if (WAIT (host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
- printk ("wd7000_init: WAIT timed out.\n");
- return -1; /* -1 = not ok */
- }
-
- if ((diag = inb (host->iobase + ASC_INTR_STAT)) != 1) {
- printk ("wd7000_init: ");
-
- switch (diag) {
- case 2: printk ("RAM failure.\n");
- break;
- case 3: printk ("FIFO R/W failed\n");
- break;
- case 4: printk ("SBIC register R/W failed\n");
- break;
- case 5: printk ("Initialization D-FF failed.\n");
- break;
- case 6: printk ("Host IRQ D-FF failed.\n");
- break;
- case 7: printk ("ROM checksum error.\n");
- break;
- default: printk ("diagnostic code 0x%02Xh received.\n", diag);
- }
- return -1;
- }
- /* Clear mailboxes */
- memset (&(host->mb), 0, sizeof (host->mb));
-
- /* Execute init command */
- any2scsi ((unchar *) & (init_cmd.mailboxes), (int) &(host->mb));
- if (!command_out (host, (unchar *) &init_cmd, sizeof (init_cmd))) {
- printk (KERN_ERR "wd7000_adapter_reset: adapter initialization failed.\n");
- return -1;
- }
-
- if (WAIT (host->iobase + ASC_STAT, ASC_STATMASK, ASC_INIT, 0)) {
- printk ("wd7000_adapter_reset: WAIT timed out.\n");
- return -1;
- }
- return 0;
-}
-
-static int wd7000_init (Adapter *host)
-{
- if(wd7000_adapter_reset(host) == -1)
- return 0;
-
-
- if (request_irq (host->irq, do_wd7000_intr_handle, SA_INTERRUPT, "wd7000", host)) {
- printk ("wd7000_init: can't get IRQ %d.\n", host->irq);
- return (0);
- }
- if (request_dma (host->dma, "wd7000")) {
- printk ("wd7000_init: can't get DMA channel %d.\n", host->dma);
- free_irq (host->irq, host);
- return (0);
- }
- wd7000_enable_dma (host);
- wd7000_enable_intr (host);
-
- if (!wd7000_diagnostics (host, ICB_DIAG_FULL)) {
- free_dma (host->dma);
- free_irq (host->irq, NULL);
- return (0);
- }
+ InitCmd init_cmd = {
+ INITIALIZATION,
+ 7,
+ host->bus_on,
+ host->bus_off,
+ 0,
+ {0, 0, 0},
+ OGMB_CNT,
+ ICMB_CNT
+ };
+ int diag;
+ /*
+ * Reset the adapter - only. The SCSI bus was initialized at power-up,
+ * and we need to do this just so we control the mailboxes, etc.
+ */
+ outb(ASC_RES, host->iobase + ASC_CONTROL);
+ udelay(40); /* reset pulse: this is 40us, only need 25us */
+ outb(0, host->iobase + ASC_CONTROL);
+ host->control = 0; /* this must always shadow ASC_CONTROL */
+
+ if (WAIT(host->iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
+ printk("wd7000_init: WAIT timed out.\n");
+ return -1; /* -1 = not ok */
+ }
+
+ if ((diag = inb(host->iobase + ASC_INTR_STAT)) != 1) {
+ printk("wd7000_init: ");
+
+ switch (diag) {
+ case 2:
+ printk("RAM failure.\n");
+ break;
+ case 3:
+ printk("FIFO R/W failed\n");
+ break;
+ case 4:
+ printk("SBIC register R/W failed\n");
+ break;
+ case 5:
+ printk("Initialization D-FF failed.\n");
+ break;
+ case 6:
+ printk("Host IRQ D-FF failed.\n");
+ break;
+ case 7:
+ printk("ROM checksum error.\n");
+ break;
+ default:
+ printk("diagnostic code 0x%02Xh received.\n", diag);
+ }
+ return -1;
+ }
+ /* Clear mailboxes */
+ memset(&(host->mb), 0, sizeof(host->mb));
+
+ /* Execute init command */
+ any2scsi((unchar *) & (init_cmd.mailboxes), (int) &(host->mb));
+ if (!command_out(host, (unchar *) & init_cmd, sizeof(init_cmd))) {
+ printk(KERN_ERR "wd7000_adapter_reset: adapter initialization failed.\n");
+ return -1;
+ }
+
+ if (WAIT(host->iobase + ASC_STAT, ASC_STATMASK, ASC_INIT, 0)) {
+ printk("wd7000_adapter_reset: WAIT timed out.\n");
+ return -1;
+ }
+ return 0;
+}
- return (1);
+static int wd7000_init(Adapter * host)
+{
+ if (wd7000_adapter_reset(host) == -1)
+ return 0;
+
+
+ if (request_irq(host->irq, do_wd7000_intr_handle, SA_INTERRUPT, "wd7000", host)) {
+ printk("wd7000_init: can't get IRQ %d.\n", host->irq);
+ return (0);
+ }
+ if (request_dma(host->dma, "wd7000")) {
+ printk("wd7000_init: can't get DMA channel %d.\n", host->dma);
+ free_irq(host->irq, host);
+ return (0);
+ }
+ wd7000_enable_dma(host);
+ wd7000_enable_intr(host);
+
+ if (!wd7000_diagnostics(host, ICB_DIAG_FULL)) {
+ free_dma(host->dma);
+ free_irq(host->irq, NULL);
+ return (0);
+ }
+
+ return (1);
}
-static void wd7000_revision (Adapter *host)
+static void wd7000_revision(Adapter * host)
{
- static IcbRevLvl icb =
- {ICB_OP_GET_REVISION};
-
- icb.phase = 1;
- /*
- * Like diagnostics, this is only done at init time, in fact, from
- * wd7000_detect, so there should be OGMBs available. If it fails,
- * the only damage will be that the revision will show up as 0.0,
- * which in turn means that scatter/gather will be disabled.
- */
- mail_out (host, (struct scb *) &icb);
- while (icb.phase)
- {
- cpu_relax(); /* wait for completion */
- barrier();
- }
- host->rev1 = icb.primary;
- host->rev2 = icb.secondary;
+ static IcbRevLvl icb = { ICB_OP_GET_REVISION };
+
+ icb.phase = 1;
+ /*
+ * Like diagnostics, this is only done at init time, in fact, from
+ * wd7000_detect, so there should be OGMBs available. If it fails,
+ * the only damage will be that the revision will show up as 0.0,
+ * which in turn means that scatter/gather will be disabled.
+ */
+ mail_out(host, (struct scb *) &icb);
+ while (icb.phase) {
+ cpu_relax(); /* wait for completion */
+ barrier();
+ }
+ host->rev1 = icb.primary;
+ host->rev2 = icb.secondary;
}
#undef SPRINTF
#define SPRINTF(args...) { if (pos < (buffer + length)) pos += sprintf (pos, ## args); }
-static int wd7000_set_info (char *buffer, int length, struct Scsi_Host *host)
+static int wd7000_set_info(char *buffer, int length, struct Scsi_Host *host)
{
- dprintk("Buffer = <%.*s>, length = %d\n", length, buffer, length);
+ dprintk("Buffer = <%.*s>, length = %d\n", length, buffer, length);
- /*
- * Currently this is a no-op
- */
- dprintk("Sorry, this function is currently out of order...\n");
- return (length);
+ /*
+ * Currently this is a no-op
+ */
+ dprintk("Sorry, this function is currently out of order...\n");
+ return (length);
}
-static int wd7000_proc_info (char *buffer, char **start, off_t offset, int length, int hostno, int inout)
+static int wd7000_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout)
{
- struct Scsi_Host *host = NULL;
- Scsi_Device *scd;
- Adapter *adapter;
- unsigned long flags;
- char *pos = buffer;
- short i;
+ struct Scsi_Host *host = NULL;
+ Scsi_Device *scd;
+ Adapter *adapter;
+ unsigned long flags;
+ char *pos = buffer;
+ short i;
#ifdef WD7000_DEBUG
- Mailbox *ogmbs, *icmbs;
- short count;
+ Mailbox *ogmbs, *icmbs;
+ short count;
#endif
- /*
- * Find the specified host board.
- */
- for (i = 0; i < UNITS; i++)
- if (wd7000_host[i] && (wd7000_host[i]->host_no == hostno)) {
- host = wd7000_host[i];
-
- break;
- }
-
- /*
- * Host not found!
- */
- if (! host)
- return (-ESRCH);
-
- /*
- * Has data been written to the file ?
- */
- if (inout)
- return (wd7000_set_info (buffer, length, host));
-
- adapter = (Adapter *) host->hostdata;
-
- spin_lock_irqsave(host->host_lock, flags);
- SPRINTF ("Host scsi%d: Western Digital WD-7000 (rev %d.%d)\n", hostno, adapter->rev1, adapter->rev2);
- SPRINTF (" IO base: 0x%x\n", adapter->iobase);
- SPRINTF (" IRQ: %d\n", adapter->irq);
- SPRINTF (" DMA channel: %d\n", adapter->dma);
- SPRINTF (" Interrupts: %d\n", adapter->int_counter);
- SPRINTF (" BUS_ON time: %d nanoseconds\n", adapter->bus_on * 125);
- SPRINTF (" BUS_OFF time: %d nanoseconds\n", adapter->bus_off * 125);
+ /*
+ * Find the specified host board.
+ */
+ for (i = 0; i < UNITS; i++)
+ if (wd7000_host[i] && (wd7000_host[i]->host_no == hostno)) {
+ host = wd7000_host[i];
-#ifdef WD7000_DEBUG
- ogmbs = adapter->mb.ogmb;
- icmbs = adapter->mb.icmb;
+ break;
+ }
- SPRINTF ("\nControl port value: 0x%x\n", adapter->control);
- SPRINTF ("Incoming mailbox:\n");
- SPRINTF (" size: %d\n", ICMB_CNT);
- SPRINTF (" queued messages: ");
+ /*
+ * Host not found!
+ */
+ if (!host)
+ return (-ESRCH);
- for (i = count = 0; i < ICMB_CNT; i++)
- if (icmbs[i].status) {
- count++;
- SPRINTF ("0x%x ", i);
- }
+ /*
+ * Has data been written to the file ?
+ */
+ if (inout)
+ return (wd7000_set_info(buffer, length, host));
- SPRINTF (count ? "\n" : "none\n");
+ adapter = (Adapter *) host->hostdata;
- SPRINTF ("Outgoing mailbox:\n");
- SPRINTF (" size: %d\n", OGMB_CNT);
- SPRINTF (" next message: 0x%x\n", adapter->next_ogmb);
- SPRINTF (" queued messages: ");
+ spin_lock_irqsave(host->host_lock, flags);
+ SPRINTF("Host scsi%d: Western Digital WD-7000 (rev %d.%d)\n", hostno, adapter->rev1, adapter->rev2);
+ SPRINTF(" IO base: 0x%x\n", adapter->iobase);
+ SPRINTF(" IRQ: %d\n", adapter->irq);
+ SPRINTF(" DMA channel: %d\n", adapter->dma);
+ SPRINTF(" Interrupts: %d\n", adapter->int_counter);
+ SPRINTF(" BUS_ON time: %d nanoseconds\n", adapter->bus_on * 125);
+ SPRINTF(" BUS_OFF time: %d nanoseconds\n", adapter->bus_off * 125);
- for (i = count = 0; i < OGMB_CNT; i++)
- if (ogmbs[i].status) {
- count++;
- SPRINTF ("0x%x ", i);
- }
+#ifdef WD7000_DEBUG
+ ogmbs = adapter->mb.ogmb;
+ icmbs = adapter->mb.icmb;
+
+ SPRINTF("\nControl port value: 0x%x\n", adapter->control);
+ SPRINTF("Incoming mailbox:\n");
+ SPRINTF(" size: %d\n", ICMB_CNT);
+ SPRINTF(" queued messages: ");
+
+ for (i = count = 0; i < ICMB_CNT; i++)
+ if (icmbs[i].status) {
+ count++;
+ SPRINTF("0x%x ", i);
+ }
+
+ SPRINTF(count ? "\n" : "none\n");
- SPRINTF (count ? "\n" : "none\n");
+ SPRINTF("Outgoing mailbox:\n");
+ SPRINTF(" size: %d\n", OGMB_CNT);
+ SPRINTF(" next message: 0x%x\n", adapter->next_ogmb);
+ SPRINTF(" queued messages: ");
+
+ for (i = count = 0; i < OGMB_CNT; i++)
+ if (ogmbs[i].status) {
+ count++;
+ SPRINTF("0x%x ", i);
+ }
+
+ SPRINTF(count ? "\n" : "none\n");
#endif
- /*
- * Display driver information for each device attached to the board.
- */
- scd = host->host_queue;
-
- SPRINTF ("\nAttached devices: %s\n", scd ? "" : "none");
-
- for ( ; scd; scd = scd->next)
- if (scd->host->host_no == hostno) {
- SPRINTF (" [Channel: %02d, Id: %02d, Lun: %02d] ",
- scd->channel, scd->id, scd->lun);
- SPRINTF ("%s ", (scd->type < MAX_SCSI_DEVICE_CODE) ?
- scsi_device_types[(short) scd->type] : "Unknown device");
-
- for (i = 0; (i < 8) && (scd->vendor[i] >= 0x20); i++)
- SPRINTF ("%c", scd->vendor[i]);
- SPRINTF (" ");
-
- for (i = 0; (i < 16) && (scd->model[i] >= 0x20); i++)
- SPRINTF ("%c", scd->model[i]);
- SPRINTF ("\n");
- }
-
- SPRINTF ("\n");
-
- spin_unlock_irqrestore(host->host_lock, flags);
-
- /*
- * Calculate start of next buffer, and return value.
- */
- *start = buffer + offset;
+ /*
+ * Display driver information for each device attached to the board.
+ */
+ scd = host->host_queue;
- if ((pos - buffer) < offset)
- return (0);
- else if ((pos - buffer - offset) < length)
- return (pos - buffer - offset);
- else
- return (length);
+ SPRINTF("\nAttached devices: %s\n", scd ? "" : "none");
+
+ for (; scd; scd = scd->next)
+ if (scd->host->host_no == hostno) {
+ SPRINTF(" [Channel: %02d, Id: %02d, Lun: %02d] ", scd->channel, scd->id, scd->lun);
+ SPRINTF("%s ", (scd->type < MAX_SCSI_DEVICE_CODE) ? scsi_device_types[(short) scd->type] : "Unknown device");
+
+ for (i = 0; (i < 8) && (scd->vendor[i] >= 0x20); i++)
+ SPRINTF("%c", scd->vendor[i]);
+ SPRINTF(" ");
+
+ for (i = 0; (i < 16) && (scd->model[i] >= 0x20); i++)
+ SPRINTF("%c", scd->model[i]);
+ SPRINTF("\n");
+ }
+
+ SPRINTF("\n");
+
+ spin_unlock_irqrestore(host->host_lock, flags);
+
+ /*
+ * Calculate start of next buffer, and return value.
+ */
+ *start = buffer + offset;
+
+ if ((pos - buffer) < offset)
+ return (0);
+ else if ((pos - buffer - offset) < length)
+ return (pos - buffer - offset);
+ else
+ return (length);
}
@@ -1515,191 +1481,181 @@
*
*/
-static int wd7000_detect (Scsi_Host_Template *tpnt)
+static int wd7000_detect(Scsi_Host_Template * tpnt)
{
- short present = 0, biosaddr_ptr, sig_ptr, i, pass;
- short biosptr[NUM_CONFIGS];
- unsigned iobase;
- Adapter *host = NULL;
- struct Scsi_Host *sh;
- int unit = 0;
+ short present = 0, biosaddr_ptr, sig_ptr, i, pass;
+ short biosptr[NUM_CONFIGS];
+ unsigned iobase;
+ Adapter *host = NULL;
+ struct Scsi_Host *sh;
+ int unit = 0;
- dprintk("wd7000_detect: started\n");
+ dprintk("wd7000_detect: started\n");
#ifdef MODULE
if (wd7000)
- wd7000_setup(wd7000);
+ wd7000_setup(wd7000);
#endif
- for (i = 0; i < UNITS; wd7000_host[i++] = NULL) ;
- for (i = 0; i < NUM_CONFIGS; biosptr[i++] = -1) ;
-
- tpnt->proc_name = "wd7000";
- tpnt->proc_info = &wd7000_proc_info;
+ for (i = 0; i < UNITS; wd7000_host[i++] = NULL);
+ for (i = 0; i < NUM_CONFIGS; biosptr[i++] = -1);
- /*
- * Set up SCB free list, which is shared by all adapters
- */
- init_scbs ();
+ tpnt->proc_name = "wd7000";
+ tpnt->proc_info = &wd7000_proc_info;
- for (pass = 0; pass < NUM_CONFIGS; pass++) {
/*
- * First, search for BIOS SIGNATURE...
+ * Set up SCB free list, which is shared by all adapters
*/
- for (biosaddr_ptr = 0; biosaddr_ptr < NUM_ADDRS; biosaddr_ptr++)
- for (sig_ptr = 0; sig_ptr < NUM_SIGNATURES; sig_ptr++) {
- for (i = 0; i < pass; i++)
- if (biosptr[i] == biosaddr_ptr)
- break;
-
- if (i == pass) {
- void *biosaddr = ioremap (wd7000_biosaddr[biosaddr_ptr] +
- signatures[sig_ptr].ofs,
- signatures[sig_ptr].len);
- short bios_match=0;
-
- if(biosaddr)
- bios_match = memcmp ((char *) biosaddr, signatures[sig_ptr].sig,
- signatures[sig_ptr].len);
-
- iounmap (biosaddr);
+ init_scbs();
- if (! bios_match)
- goto bios_matched;
- }
- }
+ for (pass = 0; pass < NUM_CONFIGS; pass++) {
+ /*
+ * First, search for BIOS SIGNATURE...
+ */
+ for (biosaddr_ptr = 0; biosaddr_ptr < NUM_ADDRS; biosaddr_ptr++)
+ for (sig_ptr = 0; sig_ptr < NUM_SIGNATURES; sig_ptr++) {
+ for (i = 0; i < pass; i++)
+ if (biosptr[i] == biosaddr_ptr)
+ break;
+
+ if (i == pass) {
+ void *biosaddr = ioremap(wd7000_biosaddr[biosaddr_ptr] + signatures[sig_ptr].ofs,
+ signatures[sig_ptr].len);
+ short bios_match = 0;
+
+ if (biosaddr)
+ bios_match = memcmp((char *) biosaddr, signatures[sig_ptr].sig, signatures[sig_ptr].len);
+
+ iounmap(biosaddr);
+
+ if (!bios_match)
+ goto bios_matched;
+ }
+ }
- bios_matched:
- /*
- * BIOS SIGNATURE has been found.
- */
+ bios_matched:
+ /*
+ * BIOS SIGNATURE has been found.
+ */
#ifdef WD7000_DEBUG
- dprintk("wd7000_detect: pass %d\n", pass + 1);
+ dprintk("wd7000_detect: pass %d\n", pass + 1);
- if (biosaddr_ptr == NUM_ADDRS)
- dprintk("WD-7000 SST BIOS not detected...\n");
- else
- dprintk("WD-7000 SST BIOS detected at 0x%lx: checking...\n",
- wd7000_biosaddr[biosaddr_ptr]);
+ if (biosaddr_ptr == NUM_ADDRS)
+ dprintk("WD-7000 SST BIOS not detected...\n");
+ else
+ dprintk("WD-7000 SST BIOS detected at 0x%lx: checking...\n", wd7000_biosaddr[biosaddr_ptr]);
#endif
- if (configs[pass].irq < 0)
- continue;
-
- if (unit == UNITS)
- continue;
-
- iobase = configs[pass].iobase;
-
- dprintk("wd7000_detect: check IO 0x%x region...\n", iobase);
-
- if (request_region (iobase, 4, "wd7000")) {
-
- dprintk("wd7000_detect: ASC reset (IO 0x%x) ...", iobase);
- /*
- * ASC reset...
- */
- outb (ASC_RES, iobase + ASC_CONTROL);
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ/100);
- outb (0, iobase + ASC_CONTROL);
-
- if (WAIT (iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
- dprintk("failed!\n");
- goto err_release;
- } else
- dprintk("ok!\n");
+ if (configs[pass].irq < 0)
+ continue;
- if (inb (iobase + ASC_INTR_STAT) == 1) {
- /*
- * We register here, to get a pointer to the extra space,
- * which we'll use as the Adapter structure (host) for
- * this adapter. It is located just after the registered
- * Scsi_Host structure (sh), and is located by the empty
- * array hostdata.
- */
- sh = scsi_register (tpnt, sizeof (Adapter));
- if(sh==NULL)
- goto err_release;
-
- host = (Adapter *) sh->hostdata;
-
- dprintk("wd7000_detect: adapter allocated at 0x%x\n",
- (int)host);
- memset (host, 0, sizeof (Adapter));
-
- host->irq = configs[pass].irq;
- host->dma = configs[pass].dma;
- host->iobase = iobase;
- host->int_counter = 0;
- host->bus_on = configs[pass].bus_on;
- host->bus_off = configs[pass].bus_off;
- host->sh = wd7000_host[unit] = sh;
- unit++;
-
- dprintk("wd7000_detect: Trying init WD-7000 card at IO "
- "0x%x, IRQ %d, DMA %d...\n",
- host->iobase, host->irq, host->dma);
+ if (unit == UNITS)
+ continue;
- if (!wd7000_init (host)) /* Initialization failed */
- goto err_unregister;
+ iobase = configs[pass].iobase;
- /*
- * OK from here - we'll use this adapter/configuration.
- */
- wd7000_revision (host); /* important for scatter/gather */
-
- /*
- * For boards before rev 6.0, scatter/gather isn't supported.
- */
- if (host->rev1 < 6)
- sh->sg_tablesize = SG_NONE;
+ dprintk("wd7000_detect: check IO 0x%x region...\n", iobase);
+
+ if (request_region(iobase, 4, "wd7000")) {
+
+ dprintk("wd7000_detect: ASC reset (IO 0x%x) ...", iobase);
+ /*
+ * ASC reset...
+ */
+ outb(ASC_RES, iobase + ASC_CONTROL);
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(HZ / 100);
+ outb(0, iobase + ASC_CONTROL);
+
+ if (WAIT(iobase + ASC_STAT, ASC_STATMASK, CMD_RDY, 0)) {
+ dprintk("failed!\n");
+ goto err_release;
+ } else
+ dprintk("ok!\n");
- present++; /* count it */
+ if (inb(iobase + ASC_INTR_STAT) == 1) {
+ /*
+ * We register here, to get a pointer to the extra space,
+ * which we'll use as the Adapter structure (host) for
+ * this adapter. It is located just after the registered
+ * Scsi_Host structure (sh), and is located by the empty
+ * array hostdata.
+ */
+ sh = scsi_register(tpnt, sizeof(Adapter));
+ if (sh == NULL)
+ goto err_release;
+
+ host = (Adapter *) sh->hostdata;
+
+ dprintk("wd7000_detect: adapter allocated at 0x%x\n", (int) host);
+ memset(host, 0, sizeof(Adapter));
+
+ host->irq = configs[pass].irq;
+ host->dma = configs[pass].dma;
+ host->iobase = iobase;
+ host->int_counter = 0;
+ host->bus_on = configs[pass].bus_on;
+ host->bus_off = configs[pass].bus_off;
+ host->sh = wd7000_host[unit] = sh;
+ unit++;
+
+ dprintk("wd7000_detect: Trying init WD-7000 card at IO " "0x%x, IRQ %d, DMA %d...\n", host->iobase, host->irq, host->dma);
+
+ if (!wd7000_init(host)) /* Initialization failed */
+ goto err_unregister;
+
+ /*
+ * OK from here - we'll use this adapter/configuration.
+ */
+ wd7000_revision(host); /* important for scatter/gather */
+
+ /*
+ * For boards before rev 6.0, scatter/gather isn't supported.
+ */
+ if (host->rev1 < 6)
+ sh->sg_tablesize = SG_NONE;
+
+ present++; /* count it */
+
+ if (biosaddr_ptr != NUM_ADDRS)
+ biosptr[pass] = biosaddr_ptr;
+
+ printk(KERN_INFO "Western Digital WD-7000 (rev %d.%d) ", host->rev1, host->rev2);
+ printk("using IO 0x%x, IRQ %d, DMA %d.\n", host->iobase, host->irq, host->dma);
+ printk(" BUS_ON time: %dns, BUS_OFF time: %dns\n", host->bus_on * 125, host->bus_off * 125);
+ }
+ } else
+ dprintk("wd7000_detect: IO 0x%x region already allocated!\n", iobase);
- if (biosaddr_ptr != NUM_ADDRS)
- biosptr[pass] = biosaddr_ptr;
+ continue;
- printk (KERN_INFO "Western Digital WD-7000 (rev %d.%d) ",
- host->rev1, host->rev2);
- printk ("using IO 0x%x, IRQ %d, DMA %d.\n",
- host->iobase, host->irq, host->dma);
- printk (" BUS_ON time: %dns, BUS_OFF time: %dns\n",
- host->bus_on * 125, host->bus_off * 125);
- }
- } else
- dprintk("wd7000_detect: IO 0x%x region already allocated!\n",
- iobase);
-
- continue;
-
- err_unregister:
- scsi_unregister (sh);
- err_release:
- release_region(iobase, 4);
+ err_unregister:
+ scsi_unregister(sh);
+ err_release:
+ release_region(iobase, 4);
- }
+ }
- if (!present)
- printk ("Failed initialization of WD-7000 SCSI card!\n");
+ if (!present)
+ printk("Failed initialization of WD-7000 SCSI card!\n");
- return (present);
+ return (present);
}
/*
* I have absolutely NO idea how to do an abort with the WD7000...
*/
-static int wd7000_abort (Scsi_Cmnd *SCpnt)
+static int wd7000_abort(Scsi_Cmnd * SCpnt)
{
- Adapter *host = (Adapter *) SCpnt->host->hostdata;
+ Adapter *host = (Adapter *) SCpnt->host->hostdata;
- if (inb (host->iobase + ASC_STAT) & INT_IM) {
- printk ("wd7000_abort: lost interrupt\n");
- wd7000_intr_handle (host->irq, NULL, NULL);
+ if (inb(host->iobase + ASC_STAT) & INT_IM) {
+ printk("wd7000_abort: lost interrupt\n");
+ wd7000_intr_handle(host->irq, NULL, NULL);
+ return FAILED;
+ }
return FAILED;
- }
- return FAILED;
}
@@ -1707,28 +1663,28 @@
* I also have no idea how to do a reset...
*/
-static int wd7000_bus_reset (Scsi_Cmnd *SCpnt)
+static int wd7000_bus_reset(Scsi_Cmnd * SCpnt)
{
- return FAILED;
+ return FAILED;
}
-static int wd7000_device_reset (Scsi_Cmnd *SCpnt)
+static int wd7000_device_reset(Scsi_Cmnd * SCpnt)
{
- return FAILED;
+ return FAILED;
}
/*
* Last resort. Reinitialize the board.
*/
-
-static int wd7000_host_reset (Scsi_Cmnd *SCpnt)
+
+static int wd7000_host_reset(Scsi_Cmnd * SCpnt)
{
- Adapter *host = (Adapter *) SCpnt->host->hostdata;
-
- if(wd7000_adapter_reset(host)<0)
- return FAILED;
- wd7000_enable_intr (host);
- return SUCCESS;
+ Adapter *host = (Adapter *) SCpnt->host->hostdata;
+
+ if (wd7000_adapter_reset(host) < 0)
+ return FAILED;
+ wd7000_enable_intr(host);
+ return SUCCESS;
}
@@ -1736,52 +1692,46 @@
* This was borrowed directly from aha1542.c. (Zaga)
*/
-static int wd7000_biosparam (Disk *disk, struct block_device *bdev, int *ip)
+static int wd7000_biosparam(Disk * disk, struct block_device *bdev, int *ip)
{
- dprintk("wd7000_biosparam: dev=%s, size=%d, ", bdevname(bdev),
- disk->capacity);
+ dprintk("wd7000_biosparam: dev=%s, size=%d, ", bdevname(bdev), disk->capacity);
- /*
- * try default translation
- */
- ip[0] = 64;
- ip[1] = 32;
- ip[2] = disk->capacity / (64 * 32);
-
- /*
- * for disks >1GB do some guessing
- */
- if (ip[2] >= 1024) {
- int info[3];
+ /*
+ * try default translation
+ */
+ ip[0] = 64;
+ ip[1] = 32;
+ ip[2] = disk->capacity / (64 * 32);
/*
- * try to figure out the geometry from the partition table
+ * for disks >1GB do some guessing
*/
- if ((scsicam_bios_param (disk, bdev, info) < 0) ||
- !(((info[0] == 64) && (info[1] == 32)) ||
- ((info[0] == 255) && (info[1] == 63)))) {
- printk ("wd7000_biosparam: unable to verify geometry for disk with >1GB.\n"
- " using extended translation.\n");
-
- ip[0] = 255;
- ip[1] = 63;
- ip[2] = disk->capacity / (255 * 63);
- }
- else {
- ip[0] = info[0];
- ip[1] = info[1];
- ip[2] = info[2];
-
- if (info[0] == 255)
- printk(KERN_INFO "%s: current partition table is "
- "using extended translation.\n", __FUNCTION__);
+ if (ip[2] >= 1024) {
+ int info[3];
+
+ /*
+ * try to figure out the geometry from the partition table
+ */
+ if ((scsicam_bios_param(disk, bdev, info) < 0) || !(((info[0] == 64) && (info[1] == 32)) || ((info[0] == 255) && (info[1] == 63)))) {
+ printk("wd7000_biosparam: unable to verify geometry for disk with >1GB.\n" " using extended translation.\n");
+
+ ip[0] = 255;
+ ip[1] = 63;
+ ip[2] = disk->capacity / (255 * 63);
+ } else {
+ ip[0] = info[0];
+ ip[1] = info[1];
+ ip[2] = info[2];
+
+ if (info[0] == 255)
+ printk(KERN_INFO "%s: current partition table is " "using extended translation.\n", __FUNCTION__);
+ }
}
- }
- dprintk("bios geometry: head=%d, sec=%d, cyl=%d\n", ip[0], ip[1], ip[2]);
- dprintk("WARNING: check, if the bios geometry is correct.\n");
+ dprintk("bios geometry: head=%d, sec=%d, cyl=%d\n", ip[0], ip[1], ip[2]);
+ dprintk("WARNING: check, if the bios geometry is correct.\n");
- return (0);
+ return (0);
}
MODULE_AUTHOR("Thomas Wuensche, John Boyd, Miroslav Zagorac");
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:32 EST