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Commit 5b3cf104 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by James Bottomley
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[PATCH] feed eata.c through Lindent 

the driver oopses on load for me currently, but to debug it I need to
actually be able to read the source..
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent ac4646f7
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Showing with 1666 additions and 1464 deletions
drivers/scsi/eata.c
View file @ 5b3cf104
......@@ -505,7 +505,7 @@
static int eata2x_detect(struct scsi_host_template *);
static int eata2x_release(struct Scsi_Host *);
static int eata2x_queuecommand(struct scsi_cmnd *,
void (*done)(struct scsi_cmnd *));
void (*done) (struct scsi_cmnd *));
static int eata2x_eh_abort(struct scsi_cmnd *);
static int eata2x_eh_host_reset(struct scsi_cmnd *);
static int eata2x_bios_param(struct scsi_device *, struct block_device *,
......@@ -526,7 +526,8 @@ static struct scsi_host_template driver_template = {
.this_id = 7,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING
};
};
#if !defined(__BIG_ENDIAN_BITFIELD) && !defined(__LITTLE_ENDIAN_BITFIELD)
#error "Adjust your <asm/byteorder.h> defines"
#endif
......@@ -622,20 +623,27 @@ struct eata_info {
u_int32_t sign; /* ASCII "EATA" signature */
#if defined(__BIG_ENDIAN_BITFIELD)
unchar version:4, :4;
unchar haaval:1, ata:1, drqvld:1, dmasup:1, morsup:1, trnxfr:1, tarsup:1,
ocsena:1;
unchar version : 4,
: 4;
unchar haaval : 1,
ata : 1,
drqvld : 1,
dmasup : 1,
morsup : 1,
trnxfr : 1,
tarsup : 1,
ocsena : 1;
#else
unchar :4, /* unused low nibble */
version:4; /* EATA version, should be 0x1 */
unchar ocsena:1, /* Overlap Command Support Enabled */
tarsup:1, /* Target Mode Supported */
trnxfr:1, /* Truncate Transfer Cmd NOT Necessary */
morsup:1, /* More Supported */
dmasup:1, /* DMA Supported */
drqvld:1, /* DRQ Index (DRQX) is valid */
ata:1, /* This is an ATA device */
haaval:1; /* Host Adapter Address Valid */
unchar : 4, /* unused low nibble */
version : 4; /* EATA version, should be 0x1 */
unchar ocsena : 1, /* Overlap Command Support Enabled */
tarsup : 1, /* Target Mode Supported */
trnxfr : 1, /* Truncate Transfer Cmd NOT Necessary */
morsup : 1, /* More Supported */
dmasup : 1, /* DMA Supported */
drqvld : 1, /* DRQ Index (DRQX) is valid */
ata : 1, /* This is an ATA device */
haaval : 1; /* Host Adapter Address Valid */
#endif
ushort cp_pad_len; /* Number of pad bytes after cp_len */
......@@ -647,116 +655,145 @@ struct eata_info {
ushort scatt_size; /* Max number of entries in scatter/gather table */
#if defined(__BIG_ENDIAN_BITFIELD)
unchar drqx:2, second:1, irq_tr:1, irq:4;
unchar drqx : 2,
second : 1,
irq_tr : 1,
irq : 4;
unchar sync;
unchar :4, res1:1, large_sg:1, forcaddr:1, isaena:1;
unchar max_chan:3, max_id:5;
unchar : 4,
res1 : 1,
large_sg : 1,
forcaddr : 1,
isaena : 1;
unchar max_chan : 3,
max_id : 5;
unchar max_lun;
unchar eisa:1, pci:1, idquest:1, m1:1, :4;
unchar eisa : 1,
pci : 1,
idquest : 1,
m1 : 1,
: 4;
#else
unchar irq:4, /* Interrupt Request assigned to this controller */
irq_tr:1, /* 0 for edge triggered, 1 for level triggered */
second:1, /* 1 if this is a secondary (not primary) controller */
drqx:2; /* DRQ Index (0=DMA0, 1=DMA7, 2=DMA6, 3=DMA5) */
unchar irq : 4, /* Interrupt Request assigned to this controller */
irq_tr : 1, /* 0 for edge triggered, 1 for level triggered */
second : 1, /* 1 if this is a secondary (not primary) controller */
drqx : 2; /* DRQ Index (0=DMA0, 1=DMA7, 2=DMA6, 3=DMA5) */
unchar sync; /* 1 if scsi target id 7...0 is running sync scsi */
/* Structure extension defined in EATA 2.0B */
unchar isaena:1, /* ISA i/o addressing is disabled/enabled */
forcaddr:1, /* Port address has been forced */
large_sg:1, /* 1 if large SG lists are supported */
res1:1,
:4;
unchar max_id:5, /* Max SCSI target ID number */
max_chan:3; /* Max SCSI channel number on this board */
unchar isaena : 1, /* ISA i/o addressing is disabled/enabled */
forcaddr : 1, /* Port address has been forced */
large_sg : 1, /* 1 if large SG lists are supported */
res1 : 1,
: 4;
unchar max_id : 5, /* Max SCSI target ID number */
max_chan : 3; /* Max SCSI channel number on this board */
/* Structure extension defined in EATA 2.0C */
unchar max_lun; /* Max SCSI LUN number */
unchar :4,
m1:1, /* This is a PCI with an M1 chip installed */
idquest:1, /* RAIDNUM returned is questionable */
pci:1, /* This board is PCI */
eisa:1; /* This board is EISA */
unchar
: 4,
m1 : 1, /* This is a PCI with an M1 chip installed */
idquest : 1, /* RAIDNUM returned is questionable */
pci : 1, /* This board is PCI */
eisa : 1; /* This board is EISA */
#endif
unchar raidnum; /* Uniquely identifies this HBA in a system */
unchar notused;
ushort ipad[247];
};
};
/* Board config structure */
struct eata_config {
ushort len; /* Number of bytes following this field */
#if defined(__BIG_ENDIAN_BITFIELD)
unchar :4, tarena:1, mdpena:1, ocena:1, edis:1;
unchar : 4,
tarena : 1,
mdpena : 1,
ocena : 1,
edis : 1;
#else
unchar edis:1, /* Disable EATA interface after config command */
ocena:1, /* Overlapped Commands Enabled */
mdpena:1, /* Transfer all Modified Data Pointer Messages */
tarena:1, /* Target Mode Enabled for this controller */
:4;
unchar edis : 1, /* Disable EATA interface after config command */
ocena : 1, /* Overlapped Commands Enabled */
mdpena : 1, /* Transfer all Modified Data Pointer Messages */
tarena : 1, /* Target Mode Enabled for this controller */
: 4;
#endif
unchar cpad[511];
};
};
/* Returned status packet structure */
struct mssp {
#if defined(__BIG_ENDIAN_BITFIELD)
unchar eoc:1, adapter_status:7;
unchar eoc : 1,
adapter_status : 7;
#else
unchar adapter_status:7, /* State related to current command */
eoc:1; /* End Of Command (1 = command completed) */
unchar adapter_status : 7, /* State related to current command */
eoc : 1; /* End Of Command (1 = command completed) */
#endif
unchar target_status; /* SCSI status received after data transfer */
unchar unused[2];
u_int32_t inv_res_len; /* Number of bytes not transferred */
u_int32_t cpp_index; /* Index of address set in cp */
char mess[12];
};
};
struct sg_list {
unsigned int address; /* Segment Address */
unsigned int num_bytes; /* Segment Length */
};
};
/* MailBox SCSI Command Packet */
struct mscp {
#if defined(__BIG_ENDIAN_BITFIELD)
unchar din:1, dout:1, interp:1, :1, sg:1, reqsen:1, init:1, sreset:1;
unchar din : 1,
dout : 1,
interp : 1,
: 1,
sg : 1,
reqsen :1,
init : 1,
sreset : 1;
unchar sense_len;
unchar unused[3];
unchar :7, fwnest:1;
unchar :5, hbaci:1, iat:1, phsunit:1;
unchar channel:3, target:5;
unchar one:1, dispri:1, luntar:1, lun:5;
unchar : 7,
fwnest : 1;
unchar : 5,
hbaci : 1,
iat : 1,
phsunit : 1;
unchar channel : 3,
target : 5;
unchar one : 1,
dispri : 1,
luntar : 1,
lun : 5;
#else
unchar sreset:1, /* SCSI Bus Reset Signal should be asserted */
init:1, /* Re-initialize controller and self test */
reqsen:1, /* Transfer Request Sense Data to addr using DMA */
sg:1, /* Use Scatter/Gather */
unchar sreset :1, /* SCSI Bus Reset Signal should be asserted */
init :1, /* Re-initialize controller and self test */
reqsen :1, /* Transfer Request Sense Data to addr using DMA */
sg :1, /* Use Scatter/Gather */
:1,
interp:1, /* The controller interprets cp, not the target */
dout:1, /* Direction of Transfer is Out (Host to Target) */
din:1; /* Direction of Transfer is In (Target to Host) */
interp :1, /* The controller interprets cp, not the target */
dout :1, /* Direction of Transfer is Out (Host to Target) */
din :1; /* Direction of Transfer is In (Target to Host) */
unchar sense_len; /* Request Sense Length */
unchar unused[3];
unchar fwnest:1, /* Send command to a component of an Array Group */
:7;
unchar phsunit:1, /* Send to Target Physical Unit (bypass RAID) */
iat:1, /* Inhibit Address Translation */
hbaci:1, /* Inhibit HBA Caching for this command */
:5;
unchar target:5, /* SCSI target ID */
channel:3; /* SCSI channel number */
unchar lun:5, /* SCSI logical unit number */
luntar:1, /* This cp is for Target (not LUN) */
dispri:1, /* Disconnect Privilege granted */
one:1; /* 1 */
unchar fwnest : 1, /* Send command to a component of an Array Group */
: 7;
unchar phsunit : 1, /* Send to Target Physical Unit (bypass RAID) */
iat : 1, /* Inhibit Address Translation */
hbaci : 1, /* Inhibit HBA Caching for this command */
: 5;
unchar target : 5, /* SCSI target ID */
channel : 3; /* SCSI channel number */
unchar lun : 5, /* SCSI logical unit number */
luntar : 1, /* This cp is for Target (not LUN) */
dispri : 1, /* Disconnect Privilege granted */
one : 1; /* 1 */
#endif
unchar mess[3]; /* Massage to/from Target */
......@@ -774,7 +811,7 @@ struct mscp {
following CP_TAIL_SIZE bytes, initialized by detect */
dma_addr_t cp_dma_addr; /* dma handle for this cp structure */
struct sg_list *sglist; /* pointer to the allocated SG list */
};
};
#define CP_TAIL_SIZE (sizeof(struct sglist *) + sizeof(dma_addr_t))
......@@ -797,7 +834,7 @@ struct hostdata {
struct mssp *sp_cpu_addr; /* cpu addr for DMA buffer sp */
dma_addr_t sp_dma_addr; /* dma handle for DMA buffer sp */
struct mssp sp; /* Local copy of sp buffer */
};
};
static struct Scsi_Host *sh[MAX_BOARDS + 1];
static const char *driver_name = "EATA";
......@@ -829,7 +866,7 @@ static unsigned long io_port[] = {
/* End of list */
0x0
};
};
#define HD(board) ((struct hostdata *) &sh[board]->hostdata)
#define BN(board) (HD(board)->board_name)
......@@ -844,7 +881,8 @@ static unsigned long io_port[] = {
#define REG2H(x) le16_to_cpu(x)
static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *);
static void flush_dev(struct scsi_device *, unsigned long, unsigned int, unsigned int);
static void flush_dev(struct scsi_device *, unsigned long, unsigned int,
unsigned int);
static int do_trace = 0;
static int setup_done = 0;
static int link_statistics;
......@@ -896,45 +934,40 @@ static char boot_options[MAX_BOOT_OPTIONS_SIZE];
#include <linux/moduleparam.h>
module_param_string(eata, boot_options, MAX_BOOT_OPTIONS_SIZE, 0);
MODULE_PARM_DESC(eata, " equivalent to the \"eata=...\" kernel boot option." \
" Example: modprobe eata \"eata=0x7410,0x230,lc:y,tm:0,mq:4,ep:n\"");
MODULE_PARM_DESC(eata, " equivalent to the \"eata=...\" kernel boot option."
" Example: modprobe eata \"eata=0x7410,0x230,lc:y,tm:0,mq:4,ep:n\"");
MODULE_AUTHOR("Dario Ballabio");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("EATA/DMA SCSI Driver");
#endif
static int eata2x_slave_configure(struct scsi_device *dev) {
static int eata2x_slave_configure(struct scsi_device *dev)
{
int j, tqd, utqd;
char *tag_suffix, *link_suffix;
struct Scsi_Host *host = dev->host;
j = ((struct hostdata *) host->hostdata)->board_number;
j = ((struct hostdata *)host->hostdata)->board_number;
utqd = MAX_CMD_PER_LUN;
tqd = max_queue_depth;
if (TLDEV(dev->type) && dev->tagged_supported)
if (TLDEV(dev->type) && dev->tagged_supported) {
if (tag_mode == TAG_SIMPLE) {
scsi_adjust_queue_depth(dev, MSG_SIMPLE_TAG, tqd);
tag_suffix = ", simple tags";
}
else if (tag_mode == TAG_ORDERED) {
} else if (tag_mode == TAG_ORDERED) {
scsi_adjust_queue_depth(dev, MSG_ORDERED_TAG, tqd);
tag_suffix = ", ordered tags";
}
else {
} else {
scsi_adjust_queue_depth(dev, 0, tqd);
tag_suffix = ", no tags";
}
else if (TLDEV(dev->type) && linked_comm) {
} else if (TLDEV(dev->type) && linked_comm) {
scsi_adjust_queue_depth(dev, 0, tqd);
tag_suffix = ", untagged";
}
else {
} else {
scsi_adjust_queue_depth(dev, 0, utqd);
tag_suffix = "";
}
......@@ -953,25 +986,27 @@ static int eata2x_slave_configure(struct scsi_device *dev) {
return 0;
}
static int wait_on_busy(unsigned long iobase, unsigned int loop) {
static int wait_on_busy(unsigned long iobase, unsigned int loop)
{
while (inb(iobase + REG_AUX_STATUS) & ABSY_ASSERTED) {
udelay(1L);
if (--loop == 0) return 1;
if (--loop == 0)
return 1;
}
return 0;
}
static int do_dma(unsigned long iobase, unsigned long addr, unchar cmd) {
static int do_dma(unsigned long iobase, unsigned long addr, unchar cmd)
{
unsigned char *byaddr;
unsigned long devaddr;
if (wait_on_busy(iobase, (addr ? MAXLOOP * 100 : MAXLOOP))) return 1;
if (wait_on_busy(iobase, (addr ? MAXLOOP * 100 : MAXLOOP)))
return 1;
if (addr) {
devaddr = H2DEV(addr);
byaddr = (unsigned char *) &devaddr;
byaddr = (unsigned char *)&devaddr;
outb(byaddr[3], iobase + REG_LOW);
outb(byaddr[2], iobase + REG_LM);
outb(byaddr[1], iobase + REG_MID);
......@@ -982,17 +1017,17 @@ static int do_dma(unsigned long iobase, unsigned long addr, unchar cmd) {
return 0;
}
static int read_pio(unsigned long iobase, ushort *start, ushort *end) {
static int read_pio(unsigned long iobase, ushort * start, ushort * end)
{
unsigned int loop = MAXLOOP;
ushort *p;
for (p = start; p <= end; p++) {
while (!(inb(iobase + REG_STATUS) & DRQ_ASSERTED)) {
udelay(1L);
if (--loop == 0) return 1;
if (--loop == 0)
return 1;
}
loop = MAXLOOP;
*p = REG2H(inw(iobase));
}
......@@ -1000,15 +1035,14 @@ static int read_pio(unsigned long iobase, ushort *start, ushort *end) {
return 0;
}
static struct pci_dev *get_pci_dev(unsigned long port_base) {
static struct pci_dev *get_pci_dev(unsigned long port_base)
{
#if defined(CONFIG_PCI)
unsigned int addr;
struct pci_dev *dev = NULL;
while((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
addr = pci_resource_start (dev, 0);
while ((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
addr = pci_resource_start(dev, 0);
#if defined(DEBUG_PCI_DETECT)
printk("%s: get_pci_dev, bus %d, devfn 0x%x, addr 0x%x.\n",
......@@ -1020,53 +1054,51 @@ static struct pci_dev *get_pci_dev(unsigned long port_base) {
* cause memory problems, but in general this is a bad thing to do (this
* driver needs to be converted to the proper PCI api someday... */
pci_dev_put(dev);
if (addr + PCI_BASE_ADDRESS_0 == port_base) return dev;
if (addr + PCI_BASE_ADDRESS_0 == port_base)
return dev;
}
#endif /* end CONFIG_PCI */
return NULL;
}
static void enable_pci_ports(void) {
static void enable_pci_ports(void)
{
#if defined(CONFIG_PCI)
struct pci_dev *dev = NULL;
while((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
while ((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
#if defined(DEBUG_PCI_DETECT)
printk("%s: enable_pci_ports, bus %d, devfn 0x%x.\n",
driver_name, dev->bus->number, dev->devfn);
#endif
if (pci_enable_device (dev))
printk("%s: warning, pci_enable_device failed, bus %d devfn 0x%x.\n",
if (pci_enable_device(dev))
printk
("%s: warning, pci_enable_device failed, bus %d devfn 0x%x.\n",
driver_name, dev->bus->number, dev->devfn);
}
#endif /* end CONFIG_PCI */
}
static int port_detect \
(unsigned long port_base, unsigned int j, struct scsi_host_template *tpnt) {
static int port_detect(unsigned long port_base, unsigned int j,
struct scsi_host_template *tpnt)
{
unsigned char irq, dma_channel, subversion, i, is_pci = 0;
unsigned char protocol_rev;
struct eata_info info;
char *bus_type, dma_name[16];
struct pci_dev *pdev;
/* Allowed DMA channels for ISA (0 indicates reserved) */
unsigned char dma_channel_table[4] = { 5, 6, 7, 0 };
char name[16];
sprintf(name, "%s%d", driver_name, j);
if (!request_region(port_base, REGION_SIZE, driver_name)) {
#if defined(DEBUG_DETECT)
printk("%s: address 0x%03lx in use, skipping probe.\n", name, port_base);
printk("%s: address 0x%03lx in use, skipping probe.\n", name,
port_base);
#endif
goto fail;
}
......@@ -1075,15 +1107,17 @@ static int port_detect \
if (do_dma(port_base, 0, READ_CONFIG_PIO)) {
#if defined(DEBUG_DETECT)
printk("%s: detect, do_dma failed at 0x%03lx.\n", name, port_base);
printk("%s: detect, do_dma failed at 0x%03lx.\n", name,
port_base);
#endif
goto freelock;
}
/* Read the info structure */
if (read_pio(port_base, (ushort *)&info, (ushort *)&info.ipad[0])) {
if (read_pio(port_base, (ushort *) & info, (ushort *) & info.ipad[0])) {
#if defined(DEBUG_DETECT)
printk("%s: detect, read_pio failed at 0x%03lx.\n", name, port_base);
printk("%s: detect, read_pio failed at 0x%03lx.\n", name,
port_base);
#endif
goto freelock;
}
......@@ -1105,11 +1139,11 @@ static int port_detect \
}
if (info.data_len < EATA_2_0A_SIZE) {
printk("%s: config structure size (%d bytes) too short, detaching.\n",
printk
("%s: config structure size (%d bytes) too short, detaching.\n",
name, info.data_len);
goto freelock;
}
else if (info.data_len == EATA_2_0A_SIZE)
} else if (info.data_len == EATA_2_0A_SIZE)
protocol_rev = 'A';
else if (info.data_len == EATA_2_0B_SIZE)
protocol_rev = 'B';
......@@ -1121,80 +1155,82 @@ static int port_detect \
bus_type = "PCI";
is_pci = 1;
subversion = ESA;
}
else if (port_base > MAX_EISA_ADDR || (protocol_rev == 'C' && info.pci)) {
} else if (port_base > MAX_EISA_ADDR
|| (protocol_rev == 'C' && info.pci)) {
bus_type = "PCI";
is_pci = 1;
subversion = ESA;
}
else if (port_base >= MIN_EISA_ADDR || (protocol_rev == 'C' && info.eisa)) {
} else if (port_base >= MIN_EISA_ADDR
|| (protocol_rev == 'C' && info.eisa)) {
bus_type = "EISA";
subversion = ESA;
}
else if (protocol_rev == 'C' && !info.eisa && !info.pci) {
} else if (protocol_rev == 'C' && !info.eisa && !info.pci) {
bus_type = "ISA";
subversion = ISA;
}
else if (port_base > MAX_ISA_ADDR) {
} else if (port_base > MAX_ISA_ADDR) {
bus_type = "PCI";
is_pci = 1;
subversion = ESA;
}
else {
} else {
bus_type = "ISA";
subversion = ISA;
}
if (!info.haaval || info.ata) {
printk("%s: address 0x%03lx, unusable %s board (%d%d), detaching.\n",
printk
("%s: address 0x%03lx, unusable %s board (%d%d), detaching.\n",
name, port_base, bus_type, info.haaval, info.ata);
goto freelock;
}
if (info.drqvld) {
if (subversion == ESA)
printk("%s: warning, weird %s board using DMA.\n", name, bus_type);
printk("%s: warning, weird %s board using DMA.\n", name,
bus_type);
subversion = ISA;
dma_channel = dma_channel_table[3 - info.drqx];
}
else {
} else {
if (subversion == ISA)
printk("%s: warning, weird %s board not using DMA.\n", name, bus_type);
printk("%s: warning, weird %s board not using DMA.\n",
name, bus_type);
subversion = ESA;
dma_channel = NO_DMA;
}
if (!info.dmasup)
printk("%s: warning, DMA protocol support not asserted.\n", name);
printk("%s: warning, DMA protocol support not asserted.\n",
name);
irq = info.irq;
if (subversion == ESA && !info.irq_tr)
printk("%s: warning, LEVEL triggering is suggested for IRQ %u.\n",
printk
("%s: warning, LEVEL triggering is suggested for IRQ %u.\n",
name, irq);
if (is_pci) {
pdev = get_pci_dev(port_base);
if (!pdev)
printk("%s: warning, failed to get pci_dev structure.\n", name);
}
else
printk
("%s: warning, failed to get pci_dev structure.\n",
name);
} else
pdev = NULL;
if (pdev && (irq != pdev->irq)) {
printk("%s: IRQ %u mapped to IO-APIC IRQ %u.\n", name, irq, pdev->irq);
printk("%s: IRQ %u mapped to IO-APIC IRQ %u.\n", name, irq,
pdev->irq);
irq = pdev->irq;
}
/* Board detected, allocate its IRQ */
if (request_irq(irq, do_interrupt_handler,
SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
driver_name, (void *) &sha[j])) {
printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
driver_name, (void *)&sha[j])) {
printk("%s: unable to allocate IRQ %u, detaching.\n", name,
irq);
goto freelock;
}
......@@ -1203,27 +1239,32 @@ static int port_detect \
name, dma_channel);
goto freeirq;
}
#if defined(FORCE_CONFIG)
{
struct eata_config *cf;
dma_addr_t cf_dma_addr;
cf = pci_alloc_consistent(pdev, sizeof(struct eata_config), &cf_dma_addr);
cf = pci_alloc_consistent(pdev, sizeof(struct eata_config),
&cf_dma_addr);
if (!cf) {
printk("%s: config, pci_alloc_consistent failed, detaching.\n", name);
printk
("%s: config, pci_alloc_consistent failed, detaching.\n",
name);
goto freedma;
}
/* Set board configuration */
memset((char *)cf, 0, sizeof(struct eata_config));
cf->len = (ushort) H2DEV16((ushort)510);
cf->len = (ushort) H2DEV16((ushort) 510);
cf->ocena = 1;
if (do_dma(port_base, cf_dma_addr, SET_CONFIG_DMA)) {
printk("%s: busy timeout sending configuration, detaching.\n", name);
pci_free_consistent(pdev, sizeof(struct eata_config), cf, cf_dma_addr);
printk
("%s: busy timeout sending configuration, detaching.\n",
name);
pci_free_consistent(pdev, sizeof(struct eata_config),
cf, cf_dma_addr);
goto freedma;
}
......@@ -1261,7 +1302,7 @@ static int port_detect \
unsigned long flags;
sh[j]->unchecked_isa_dma = 1;
flags=claim_dma_lock();
flags = claim_dma_lock();
disable_dma(dma_channel);
clear_dma_ff(dma_channel);
set_dma_mode(dma_channel, DMA_MODE_CASCADE);
......@@ -1287,7 +1328,6 @@ static int port_detect \
}
if (protocol_rev != 'A') {
if (info.max_chan > 0 && info.max_chan < MAX_CHANNEL)
sh[j]->max_channel = info.max_chan;
......@@ -1299,30 +1339,38 @@ static int port_detect \
}
if (protocol_rev == 'C') {
if (info.max_lun > 7 && info.max_lun < MAX_LUN)
sh[j]->max_lun = info.max_lun + 1;
}
if (dma_channel == NO_DMA) sprintf(dma_name, "%s", "BMST");
else sprintf(dma_name, "DMA %u", dma_channel);
if (dma_channel == NO_DMA)
sprintf(dma_name, "%s", "BMST");
else
sprintf(dma_name, "DMA %u", dma_channel);
spin_unlock_irq(&driver_lock);
for (i = 0; i < sh[j]->can_queue; i++)
HD(j)->cp[i].cp_dma_addr = pci_map_single(HD(j)->pdev,
&HD(j)->cp[i], sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
&HD(j)->cp[i],
sizeof(struct mscp),
PCI_DMA_BIDIRECTIONAL);
for (i = 0; i < sh[j]->can_queue; i++)
if (! ((&HD(j)->cp[i])->sglist = kmalloc(
sh[j]->sg_tablesize * sizeof(struct sg_list),
(sh[j]->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC))) {
printk("%s: kmalloc SGlist failed, mbox %d, detaching.\n", BN(j), i);
for (i = 0; i < sh[j]->can_queue; i++) {
size_t sz = sh[j]->sg_tablesize *sizeof(struct sg_list);
unsigned int gfp_mask = (sh[j]->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC;
(&HD(j)->cp[i])->sglist = kmalloc(sz, gfp_mask);
if (!(&HD(j)->cp[i])->sglist) {
printk
("%s: kmalloc SGlist failed, mbox %d, detaching.\n",
BN(j), i);
goto release;
}
}
if (! (HD(j)->sp_cpu_addr = pci_alloc_consistent(HD(j)->pdev,
sizeof(struct mssp), &HD(j)->sp_dma_addr))) {
if (!(HD(j)->sp_cpu_addr = pci_alloc_consistent(HD(j)->pdev,
sizeof(struct mssp),
&HD(j)->sp_dma_addr))) {
printk("%s: pci_alloc_consistent failed, detaching.\n", BN(j));
goto release;
}
......@@ -1330,14 +1378,17 @@ static int port_detect \
if (max_queue_depth > MAX_TAGGED_CMD_PER_LUN)
max_queue_depth = MAX_TAGGED_CMD_PER_LUN;
if (max_queue_depth < MAX_CMD_PER_LUN) max_queue_depth = MAX_CMD_PER_LUN;
if (max_queue_depth < MAX_CMD_PER_LUN)
max_queue_depth = MAX_CMD_PER_LUN;
if (tag_mode != TAG_DISABLED && tag_mode != TAG_SIMPLE)
tag_mode = TAG_ORDERED;
if (j == 0) {
printk("EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.\n");
printk("%s config options -> tm:%d, lc:%c, mq:%d, rs:%c, et:%c, "\
printk
("EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.\n");
printk
("%s config options -> tm:%d, lc:%c, mq:%d, rs:%c, et:%c, "
"ip:%c, ep:%c, pp:%c.\n", driver_name, tag_mode,
YESNO(linked_comm), max_queue_depth, YESNO(rev_scan),
YESNO(ext_tran), YESNO(isa_probe), YESNO(eisa_probe),
......@@ -1345,11 +1396,13 @@ static int port_detect \
}
printk("%s: 2.0%c, %s 0x%03lx, IRQ %u, %s, SG %d, MB %d.\n",
BN(j), HD(j)->protocol_rev, bus_type, (unsigned long)sh[j]->io_port,
sh[j]->irq, dma_name, sh[j]->sg_tablesize, sh[j]->can_queue);
BN(j), HD(j)->protocol_rev, bus_type,
(unsigned long)sh[j]->io_port, sh[j]->irq, dma_name,
sh[j]->sg_tablesize, sh[j]->can_queue);
if (sh[j]->max_id > 8 || sh[j]->max_lun > 8)
printk("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
printk
("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
BN(j), sh[j]->max_id, sh[j]->max_lun);
for (i = 0; i <= sh[j]->max_channel; i++)
......@@ -1357,55 +1410,59 @@ static int port_detect \
BN(j), i, info.host_addr[3 - i]);
#if defined(DEBUG_DETECT)
printk("%s: Vers. 0x%x, ocs %u, tar %u, trnxfr %u, more %u, SYNC 0x%x, "\
printk("%s: Vers. 0x%x, ocs %u, tar %u, trnxfr %u, more %u, SYNC 0x%x, "
"sec. %u, infol %d, cpl %d spl %d.\n", name, info.version,
info.ocsena, info.tarsup, info.trnxfr, info.morsup, info.sync,
info.second, info.data_len, info.cp_len,
info.sp_len);
info.second, info.data_len, info.cp_len, info.sp_len);
if (protocol_rev == 'B' || protocol_rev == 'C')
printk("%s: isaena %u, forcaddr %u, max_id %u, max_chan %u, "\
"large_sg %u, res1 %u.\n", name, info.isaena, info.forcaddr,
info.max_id, info.max_chan, info.large_sg, info.res1);
printk("%s: isaena %u, forcaddr %u, max_id %u, max_chan %u, "
"large_sg %u, res1 %u.\n", name, info.isaena,
info.forcaddr, info.max_id, info.max_chan, info.large_sg,
info.res1);
if (protocol_rev == 'C')
printk("%s: max_lun %u, m1 %u, idquest %u, pci %u, eisa %u, "\
"raidnum %u.\n", name, info.max_lun, info.m1, info.idquest,
info.pci, info.eisa, info.raidnum);
printk("%s: max_lun %u, m1 %u, idquest %u, pci %u, eisa %u, "
"raidnum %u.\n", name, info.max_lun, info.m1,
info.idquest, info.pci, info.eisa, info.raidnum);
#endif
if (HD(j)->pdev) {
pci_set_master(HD(j)->pdev);
if (pci_set_dma_mask(HD(j)->pdev, 0xffffffff))
printk("%s: warning, pci_set_dma_mask failed.\n", BN(j));
printk("%s: warning, pci_set_dma_mask failed.\n",
BN(j));
}
return 1;
freedma:
if (subversion == ISA) free_dma(dma_channel);
freeirq:
freedma:
if (subversion == ISA)
free_dma(dma_channel);
freeirq:
free_irq(irq, &sha[j]);
freelock:
freelock:
spin_unlock_irq(&driver_lock);
release_region(port_base, REGION_SIZE);
fail:
fail:
return 0;
release:
release:
eata2x_release(sh[j]);
return 0;
}
static void internal_setup(char *str, int *ints) {
static void internal_setup(char *str, int *ints)
{
int i, argc = ints[0];
char *cur = str, *pc;
if (argc > 0) {
if (argc > MAX_INT_PARAM)
argc = MAX_INT_PARAM;
if (argc > MAX_INT_PARAM) argc = MAX_INT_PARAM;
for (i = 0; i < argc; i++) io_port[i] = ints[i + 1];
for (i = 0; i < argc; i++)
io_port[i] = ints[i + 1];
io_port[i] = 0;
setup_done = 1;
......@@ -1414,28 +1471,43 @@ static void internal_setup(char *str, int *ints) {
while (cur && (pc = strchr(cur, ':'))) {
int val = 0, c = *++pc;
if (c == 'n' || c == 'N') val = 0;
else if (c == 'y' || c == 'Y') val = 1;
else val = (int) simple_strtoul(pc, NULL, 0);
if (!strncmp(cur, "lc:", 3)) linked_comm = val;
else if (!strncmp(cur, "tm:", 3)) tag_mode = val;
else if (!strncmp(cur, "tc:", 3)) tag_mode = val;
else if (!strncmp(cur, "mq:", 3)) max_queue_depth = val;
else if (!strncmp(cur, "ls:", 3)) link_statistics = val;
else if (!strncmp(cur, "et:", 3)) ext_tran = val;
else if (!strncmp(cur, "rs:", 3)) rev_scan = val;
else if (!strncmp(cur, "ip:", 3)) isa_probe = val;
else if (!strncmp(cur, "ep:", 3)) eisa_probe = val;
else if (!strncmp(cur, "pp:", 3)) pci_probe = val;
if ((cur = strchr(cur, ','))) ++cur;
if (c == 'n' || c == 'N')
val = 0;
else if (c == 'y' || c == 'Y')
val = 1;
else
val = (int)simple_strtoul(pc, NULL, 0);
if (!strncmp(cur, "lc:", 3))
linked_comm = val;
else if (!strncmp(cur, "tm:", 3))
tag_mode = val;
else if (!strncmp(cur, "tc:", 3))
tag_mode = val;
else if (!strncmp(cur, "mq:", 3))
max_queue_depth = val;
else if (!strncmp(cur, "ls:", 3))
link_statistics = val;
else if (!strncmp(cur, "et:", 3))
ext_tran = val;
else if (!strncmp(cur, "rs:", 3))
rev_scan = val;
else if (!strncmp(cur, "ip:", 3))
isa_probe = val;
else if (!strncmp(cur, "ep:", 3))
eisa_probe = val;
else if (!strncmp(cur, "pp:", 3))
pci_probe = val;
if ((cur = strchr(cur, ',')))
++cur;
}
return;
}
static int option_setup(char *str) {
static int option_setup(char *str)
{
int ints[MAX_INT_PARAM];
char *cur = str;
int i = 1;
......@@ -1443,7 +1515,8 @@ static int option_setup(char *str) {
while (cur && isdigit(*cur) && i <= MAX_INT_PARAM) {
ints[i++] = simple_strtoul(cur, NULL, 0);
if ((cur = strchr(cur, ',')) != NULL) cur++;
if ((cur = strchr(cur, ',')) != NULL)
cur++;
}
ints[0] = i - 1;
......@@ -1451,29 +1524,28 @@ static int option_setup(char *str) {
return 1;
}
static void add_pci_ports(void) {
static void add_pci_ports(void)
{
#if defined(CONFIG_PCI)
unsigned int addr, k;
struct pci_dev *dev = NULL;
for (k = 0; k < MAX_PCI; k++) {
if (!(dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) break;
if (pci_enable_device (dev)) {
if (!(dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev)))
break;
if (pci_enable_device(dev)) {
#if defined(DEBUG_PCI_DETECT)
printk("%s: detect, bus %d, devfn 0x%x, pci_enable_device failed.\n",
printk
("%s: detect, bus %d, devfn 0x%x, pci_enable_device failed.\n",
driver_name, dev->bus->number, dev->devfn);
#endif
continue;
}
addr = pci_resource_start (dev, 0);
addr = pci_resource_start(dev, 0);
#if defined(DEBUG_PCI_DETECT)
printk("%s: detect, seq. %d, bus %d, devfn 0x%x, addr 0x%x.\n",
......@@ -1487,63 +1559,75 @@ static void add_pci_ports(void) {
pci_dev_put(dev);
#endif /* end CONFIG_PCI */
return;
}
static int eata2x_detect(struct scsi_host_template *tpnt) {
static int eata2x_detect(struct scsi_host_template *tpnt)
{
unsigned int j = 0, k;
tpnt->proc_name = "eata2x";
if(strlen(boot_options)) option_setup(boot_options);
if (strlen(boot_options))
option_setup(boot_options);
#if defined(MODULE)
/* io_port could have been modified when loading as a module */
if(io_port[0] != SKIP) {
if (io_port[0] != SKIP) {
setup_done = 1;
io_port[MAX_INT_PARAM] = 0;
}
#endif
for (k = 0; k < MAX_BOARDS + 1; k++) sh[k] = NULL;
for (k = 0; k < MAX_BOARDS + 1; k++)
sh[k] = NULL;
for (k = MAX_INT_PARAM; io_port[k]; k++)
if (io_port[k] == SKIP) continue;
if (io_port[k] == SKIP)
continue;
else if (io_port[k] <= MAX_ISA_ADDR) {
if (!isa_probe) io_port[k] = SKIP;
}
else if (io_port[k] >= MIN_EISA_ADDR && io_port[k] <= MAX_EISA_ADDR) {
if (!eisa_probe) io_port[k] = SKIP;
if (!isa_probe)
io_port[k] = SKIP;
} else if (io_port[k] >= MIN_EISA_ADDR
&& io_port[k] <= MAX_EISA_ADDR) {
if (!eisa_probe)
io_port[k] = SKIP;
}
if (pci_probe) {
if (!setup_done) add_pci_ports();
else enable_pci_ports();
if (!setup_done)
add_pci_ports();
else
enable_pci_ports();
}
for (k = 0; io_port[k]; k++) {
if (io_port[k] == SKIP) continue;
if (io_port[k] == SKIP)
continue;
if (j < MAX_BOARDS && port_detect(io_port[k], j, tpnt)) j++;
if (j < MAX_BOARDS && port_detect(io_port[k], j, tpnt))
j++;
}
num_boards = j;
return j;
}
static void map_dma(unsigned int i, unsigned int j) {
static void map_dma(unsigned int i, unsigned int j)
{
unsigned int k, count, pci_dir;
struct scatterlist *sgpnt;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
cpp = &HD(j)->cp[i];
SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction;
if (SCpnt->sense_buffer)
cpp->sense_addr = H2DEV(pci_map_single(HD(j)->pdev, SCpnt->sense_buffer,
cpp->sense_addr =
H2DEV(pci_map_single
(HD(j)->pdev, SCpnt->sense_buffer,
sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
cpp->sense_len = sizeof SCpnt->sense_buffer;
......@@ -1551,17 +1635,22 @@ static void map_dma(unsigned int i, unsigned int j) {
if (!SCpnt->use_sg) {
/* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
if (!SCpnt->request_bufflen) pci_dir = PCI_DMA_BIDIRECTIONAL;
if (!SCpnt->request_bufflen)
pci_dir = PCI_DMA_BIDIRECTIONAL;
if (SCpnt->request_buffer)
cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev,
SCpnt->request_buffer, SCpnt->request_bufflen, pci_dir));
SCpnt->
request_buffer,
SCpnt->
request_bufflen,
pci_dir));
cpp->data_len = H2DEV(SCpnt->request_bufflen);
return;
}
sgpnt = (struct scatterlist *) SCpnt->request_buffer;
sgpnt = (struct scatterlist *)SCpnt->request_buffer;
count = pci_map_sg(HD(j)->pdev, sgpnt, SCpnt->use_sg, pci_dir);
for (k = 0; k < count; k++) {
......@@ -1571,16 +1660,20 @@ static void map_dma(unsigned int i, unsigned int j) {
cpp->sg = 1;
cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
SCpnt->use_sg * sizeof(struct sg_list), pci_dir));
SCpnt->use_sg *
sizeof(struct sg_list),
pci_dir));
cpp->data_len = H2DEV((SCpnt->use_sg * sizeof(struct sg_list)));
}
static void unmap_dma(unsigned int i, unsigned int j) {
static void unmap_dma(unsigned int i, unsigned int j)
{
unsigned int pci_dir;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
cpp = &HD(j)->cp[i];
SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction;
if (DEV2H(cpp->sense_addr))
......@@ -1588,39 +1681,47 @@ static void unmap_dma(unsigned int i, unsigned int j) {
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
if (SCpnt->use_sg)
pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg, pci_dir);
pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg,
pci_dir);
if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
if (!DEV2H(cpp->data_len))
pci_dir = PCI_DMA_BIDIRECTIONAL;
if (DEV2H(cpp->data_address))
pci_unmap_single(HD(j)->pdev, DEV2H(cpp->data_address),
DEV2H(cpp->data_len), pci_dir);
}
static void sync_dma(unsigned int i, unsigned int j) {
static void sync_dma(unsigned int i, unsigned int j)
{
unsigned int pci_dir;
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
cpp = &HD(j)->cp[i];
SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction;
if (DEV2H(cpp->sense_addr))
pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
DEV2H(cpp->sense_len),
PCI_DMA_FROMDEVICE);
if (SCpnt->use_sg)
pci_dma_sync_sg_for_cpu(HD(j)->pdev, SCpnt->request_buffer,
SCpnt->use_sg, pci_dir);
if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
if (!DEV2H(cpp->data_len))
pci_dir = PCI_DMA_BIDIRECTIONAL;
if (DEV2H(cpp->data_address))
pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->data_address),
pci_dma_sync_single_for_cpu(HD(j)->pdev,
DEV2H(cpp->data_address),
DEV2H(cpp->data_len), pci_dir);
}
static void scsi_to_dev_dir(unsigned int i, unsigned int j) {
static void scsi_to_dev_dir(unsigned int i, unsigned int j)
{
unsigned int k;
static const unsigned char data_out_cmds[] = {
......@@ -1638,19 +1739,18 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) {
struct mscp *cpp;
struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
cpp = &HD(j)->cp[i];
SCpnt = cpp->SCpnt;
if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
cpp->din = 1;
cpp->dout = 0;
return;
}
else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
} else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
cpp->din = 0;
cpp->dout = 1;
return;
}
else if (SCpnt->sc_data_direction == DMA_NONE) {
} else if (SCpnt->sc_data_direction == DMA_NONE) {
cpp->din = 0;
cpp->dout = 0;
return;
......@@ -1674,12 +1774,14 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) {
}
static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) {
static int eata2x_queuecommand(struct scsi_cmnd *SCpnt,
void (*done) (struct scsi_cmnd *))
{
unsigned int i, j, k;
struct mscp *cpp;
/* j is the board number */
j = ((struct hostdata *) SCpnt->device->host->hostdata)->board_number;
j = ((struct hostdata *)SCpnt->device->host->hostdata)->board_number;
if (SCpnt->host_scribble)
panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
......@@ -1691,7 +1793,8 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi
for (k = 0; k < sh[j]->can_queue; k++, i++) {
if (i >= sh[j]->can_queue) i = 0;
if (i >= sh[j]->can_queue)
i = 0;
if (HD(j)->cp_stat[i] == FREE) {
HD(j)->last_cp_used = i;
......@@ -1714,16 +1817,18 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi
SCpnt->scsi_done = done;
cpp->cpp_index = i;
SCpnt->host_scribble = (unsigned char *) &cpp->cpp_index;
SCpnt->host_scribble = (unsigned char *)&cpp->cpp_index;
if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
if (do_trace)
printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
BN(j), i, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid);
cpp->reqsen = 1;
cpp->dispri = 1;
#if 0
if (SCpnt->device->type == TYPE_TAPE) cpp->hbaci = 1;
if (SCpnt->device->type == TYPE_TAPE)
cpp->hbaci = 1;
#endif
cpp->one = 1;
cpp->channel = SCpnt->device->channel;
......@@ -1750,7 +1855,8 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi
unmap_dma(i, j);
SCpnt->host_scribble = NULL;
printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n",
BN(j), SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid);
BN(j), SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid);
return 1;
}
......@@ -1758,20 +1864,23 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi
return 0;
}
static int eata2x_eh_abort(struct scsi_cmnd *SCarg) {
static int eata2x_eh_abort(struct scsi_cmnd *SCarg)
{
unsigned int i, j;
j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
j = ((struct hostdata *)SCarg->device->host->hostdata)->board_number;
if (SCarg->host_scribble == NULL) {
printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n",
BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
BN(j), SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid);
return SUCCESS;
}
i = *(unsigned int *)SCarg->host_scribble;
printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n",
BN(j), i, SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
BN(j), i, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid);
if (i >= sh[j]->can_queue)
panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j));
......@@ -1794,13 +1903,15 @@ static int eata2x_eh_abort(struct scsi_cmnd *SCarg) {
BN(j), i, SCarg, HD(j)->cp[i].SCpnt);
if (inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)
printk("%s: abort, mbox %d, interrupt pending.\n", BN(j), i);
printk("%s: abort, mbox %d, interrupt pending.\n",
BN(j), i);
if (SCarg->eh_state == SCSI_STATE_TIMEOUT) {
unmap_dma(i, j);
SCarg->host_scribble = NULL;
HD(j)->cp_stat[i] = FREE;
printk("%s, abort, mbox %d, eh_state timeout, pid %ld.\n",
printk
("%s, abort, mbox %d, eh_state timeout, pid %ld.\n",
BN(j), i, SCarg->pid);
return SUCCESS;
}
......@@ -1832,14 +1943,16 @@ static int eata2x_eh_abort(struct scsi_cmnd *SCarg) {
panic("%s: abort, mbox %d, invalid cp_stat.\n", BN(j), i);
}
static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
{
unsigned int i, j, time, k, c, limit = 0;
int arg_done = 0;
struct scsi_cmnd *SCpnt;
j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
j = ((struct hostdata *)SCarg->device->host->hostdata)->board_number;
printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n",
BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
BN(j), SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid);
if (SCarg->host_scribble == NULL)
printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid);
......@@ -1864,11 +1977,13 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
for (i = 0; i < sh[j]->can_queue; i++) {
if (HD(j)->cp_stat[i] == FREE) continue;
if (HD(j)->cp_stat[i] == FREE)
continue;
if (HD(j)->cp_stat[i] == LOCKED) {
HD(j)->cp_stat[i] = FREE;
printk("%s: reset, locked mbox %d forced free.\n", BN(j), i);
printk("%s: reset, locked mbox %d forced free.\n",
BN(j), i);
continue;
}
......@@ -1891,12 +2006,15 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
panic("%s: reset, mbox %d, garbled SCpnt.\n", BN(j), i);
if (*(unsigned int *)SCpnt->host_scribble != i)
panic("%s: reset, mbox %d, index mismatch.\n", BN(j), i);
panic("%s: reset, mbox %d, index mismatch.\n", BN(j),
i);
if (SCpnt->scsi_done == NULL)
panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n", BN(j), i);
panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n",
BN(j), i);
if (SCpnt == SCarg) arg_done = 1;
if (SCpnt == SCarg)
arg_done = 1;
}
if (do_dma(sh[j]->io_port, 0, RESET_PIO)) {
......@@ -1914,7 +2032,8 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
spin_unlock_irq(sh[j]->host_lock);
time = jiffies;
while ((jiffies - time) < (10 * HZ) && limit++ < 200000) udelay(100L);
while ((jiffies - time) < (10 * HZ) && limit++ < 200000)
udelay(100L);
spin_lock_irq(sh[j]->host_lock);
printk("%s: reset, interrupts disabled, loops %d.\n", BN(j), limit);
......@@ -1930,7 +2049,8 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
/* This mailbox is still waiting for its interrupt */
HD(j)->cp_stat[i] = LOCKED;
printk("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
printk
("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
BN(j), i, SCpnt->pid);
}
......@@ -1943,12 +2063,12 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
/* This mailbox was never queued to the adapter */
HD(j)->cp_stat[i] = FREE;
printk("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
printk
("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
BN(j), i, SCpnt->pid);
}
else
/* Any other mailbox has already been set free by interrupt */
continue;
......@@ -1958,14 +2078,17 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) {
HD(j)->in_reset = 0;
do_trace = 0;
if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid);
else printk("%s: reset, exit.\n", BN(j));
if (arg_done)
printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid);
else
printk("%s: reset, exit.\n", BN(j));
return SUCCESS;
}
int eata2x_bios_param(struct scsi_device *sdev, struct block_device *bdev,
sector_t capacity, int *dkinfo) {
sector_t capacity, int *dkinfo)
{
unsigned int size = capacity;
if (ext_tran || (scsicam_bios_param(bdev, capacity, dkinfo) < 0)) {
......@@ -1973,9 +2096,8 @@ int eata2x_bios_param(struct scsi_device *sdev, struct block_device *bdev,
dkinfo[1] = 63;
dkinfo[2] = size / (dkinfo[0] * dkinfo[1]);
}
#if defined (DEBUG_GEOMETRY)
printk ("%s: bios_param, head=%d, sec=%d, cyl=%d.\n", driver_name,
printk("%s: bios_param, head=%d, sec=%d, cyl=%d.\n", driver_name,
dkinfo[0], dkinfo[1], dkinfo[2]);
#endif
......@@ -1983,7 +2105,8 @@ int eata2x_bios_param(struct scsi_device *sdev, struct block_device *bdev,
}
static void sort(unsigned long sk[], unsigned int da[], unsigned int n,
unsigned int rev) {
unsigned int rev)
{
unsigned int i, j, k, y;
unsigned long x;
......@@ -1992,23 +2115,29 @@ static void sort(unsigned long sk[], unsigned int da[], unsigned int n,
for (j = k + 1; j < n; j++)
if (rev) {
if (sk[j] > sk[k]) k = j;
}
else {
if (sk[j] < sk[k]) k = j;
if (sk[j] > sk[k])
k = j;
} else {
if (sk[j] < sk[k])
k = j;
}
if (k != i) {
x = sk[k]; sk[k] = sk[i]; sk[i] = x;
y = da[k]; da[k] = da[i]; da[i] = y;
x = sk[k];
sk[k] = sk[i];
sk[i] = x;
y = da[k];
da[k] = da[i];
da[i] = y;
}
}
return;
}
}
static int reorder(unsigned int j, unsigned long cursec,
unsigned int ihdlr, unsigned int il[], unsigned int n_ready) {
unsigned int ihdlr, unsigned int il[], unsigned int n_ready)
{
struct scsi_cmnd *SCpnt;
struct mscp *cpp;
unsigned int k, n;
......@@ -2024,29 +2153,38 @@ static int reorder(unsigned int j, unsigned long cursec,
static unsigned long seeksorted = 0, seeknosort = 0;
if (link_statistics && !(++flushcount % link_statistics))
printk("fc %d bc %d ic %d oc %d rc %d rs %d sc %d re %d"\
" av %ldK as %ldK.\n", flushcount, batchcount, inputcount,
ovlcount, readycount, readysorted, sortcount, revcount,
seeknosort / (readycount + 1),
printk("fc %d bc %d ic %d oc %d rc %d rs %d sc %d re %d"
" av %ldK as %ldK.\n", flushcount, batchcount,
inputcount, ovlcount, readycount, readysorted, sortcount,
revcount, seeknosort / (readycount + 1),
seeksorted / (readycount + 1));
if (n_ready <= 1) return 0;
if (n_ready <= 1)
return 0;
for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
k = il[n];
cpp = &HD(j)->cp[k];
SCpnt = cpp->SCpnt;
if (!cpp->din) input_only = 0;
if (!cpp->din)
input_only = 0;
if (SCpnt->request->sector < minsec) minsec = SCpnt->request->sector;
if (SCpnt->request->sector > maxsec) maxsec = SCpnt->request->sector;
if (SCpnt->request->sector < minsec)
minsec = SCpnt->request->sector;
if (SCpnt->request->sector > maxsec)
maxsec = SCpnt->request->sector;
sl[n] = SCpnt->request->sector;
ioseek += SCpnt->request->nr_sectors;
if (!n) continue;
if (!n)
continue;
if (sl[n] < sl[n - 1]) s = 0;
if (sl[n] > sl[n - 1]) r = 0;
if (sl[n] < sl[n - 1])
s = 0;
if (sl[n] > sl[n - 1])
r = 0;
if (link_statistics) {
if (sl[n] > sl[n - 1])
......@@ -2058,81 +2196,125 @@ static int reorder(unsigned int j, unsigned long cursec,
}
if (link_statistics) {
if (cursec > sl[0]) seek += cursec - sl[0]; else seek += sl[0] - cursec;
if (cursec > sl[0])
seek += cursec - sl[0];
else
seek += sl[0] - cursec;
}
if (cursec > ((maxsec + minsec) / 2)) rev = 1;
if (cursec > ((maxsec + minsec) / 2))
rev = 1;
if (ioseek > ((maxsec - minsec) / 2)) rev = 0;
if (ioseek > ((maxsec - minsec) / 2))
rev = 0;
if (!((rev && r) || (!rev && s))) sort(sl, il, n_ready, rev);
if (!((rev && r) || (!rev && s)))
sort(sl, il, n_ready, rev);
if (!input_only) for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
ll[n] = SCpnt->request->nr_sectors; pl[n] = SCpnt->pid;
if (!input_only)
for (n = 0; n < n_ready; n++) {
k = il[n];
cpp = &HD(j)->cp[k];
SCpnt = cpp->SCpnt;
ll[n] = SCpnt->request->nr_sectors;
pl[n] = SCpnt->pid;
if (!n) continue;
if (!n)
continue;
if ((sl[n] == sl[n - 1]) || (!rev && ((sl[n - 1] + ll[n - 1]) > sl[n]))
|| (rev && ((sl[n] + ll[n]) > sl[n - 1]))) overlap = 1;
if ((sl[n] == sl[n - 1])
|| (!rev && ((sl[n - 1] + ll[n - 1]) > sl[n]))
|| (rev && ((sl[n] + ll[n]) > sl[n - 1])))
overlap = 1;
}
if (overlap) sort(pl, il, n_ready, 0);
if (overlap)
sort(pl, il, n_ready, 0);
if (link_statistics) {
if (cursec > sl[0]) iseek = cursec - sl[0]; else iseek = sl[0] - cursec;
batchcount++; readycount += n_ready; seeknosort += seek / 1024;
if (input_only) inputcount++;
if (overlap) { ovlcount++; seeksorted += iseek / 1024; }
else seeksorted += (iseek + maxsec - minsec) / 1024;
if (rev && !r) { revcount++; readysorted += n_ready; }
if (!rev && !s) { sortcount++; readysorted += n_ready; }
if (cursec > sl[0])
iseek = cursec - sl[0];
else
iseek = sl[0] - cursec;
batchcount++;
readycount += n_ready;
seeknosort += seek / 1024;
if (input_only)
inputcount++;
if (overlap) {
ovlcount++;
seeksorted += iseek / 1024;
} else
seeksorted += (iseek + maxsec - minsec) / 1024;
if (rev && !r) {
revcount++;
readysorted += n_ready;
}
if (!rev && !s) {
sortcount++;
readysorted += n_ready;
}
}
#if defined(DEBUG_LINKED_COMMANDS)
if (link_statistics && (overlap || !(flushcount % link_statistics)))
for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
printk("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"\
k = il[n];
cpp = &HD(j)->cp[k];
SCpnt = cpp->SCpnt;
printk
("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"
" cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n",
(ihdlr ? "ihdlr" : "qcomm"), SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, k, flushcount, n_ready,
SCpnt->request->sector, SCpnt->request->nr_sectors, cursec,
YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only),
(ihdlr ? "ihdlr" : "qcomm"),
SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, k, flushcount,
n_ready, SCpnt->request->sector,
SCpnt->request->nr_sectors, cursec, YESNO(s),
YESNO(r), YESNO(rev), YESNO(input_only),
YESNO(overlap), cpp->din);
}
#endif
return overlap;
}
static void flush_dev(struct scsi_device *dev, unsigned long cursec, unsigned int j,
unsigned int ihdlr) {
static void flush_dev(struct scsi_device *dev, unsigned long cursec,
unsigned int j, unsigned int ihdlr)
{
struct scsi_cmnd *SCpnt;
struct mscp *cpp;
unsigned int k, n, n_ready = 0, il[MAX_MAILBOXES];
for (k = 0; k < sh[j]->can_queue; k++) {
if (HD(j)->cp_stat[k] != READY && HD(j)->cp_stat[k] != IN_USE) continue;
if (HD(j)->cp_stat[k] != READY && HD(j)->cp_stat[k] != IN_USE)
continue;
cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
cpp = &HD(j)->cp[k];
SCpnt = cpp->SCpnt;
if (SCpnt->device != dev) continue;
if (SCpnt->device != dev)
continue;
if (HD(j)->cp_stat[k] == IN_USE) return;
if (HD(j)->cp_stat[k] == IN_USE)
return;
il[n_ready++] = k;
}
if (reorder(j, cursec, ihdlr, il, n_ready)) n_ready = 1;
if (reorder(j, cursec, ihdlr, il, n_ready))
n_ready = 1;
for (n = 0; n < n_ready; n++) {
k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
k = il[n];
cpp = &HD(j)->cp[k];
SCpnt = cpp->SCpnt;
if (do_dma(sh[j]->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
printk("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"\
" busy, will abort.\n", BN(j), (ihdlr ? "ihdlr" : "qcomm"),
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid, k);
printk
("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"
" busy, will abort.\n", BN(j),
(ihdlr ? "ihdlr" : "qcomm"),
SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, k);
HD(j)->cp_stat[k] = ABORTING;
continue;
}
......@@ -2142,27 +2324,32 @@ static void flush_dev(struct scsi_device *dev, unsigned long cursec, unsigned in
}
static irqreturn_t ihdlr(int irq, unsigned int j) {
static irqreturn_t ihdlr(int irq, unsigned int j)
{
struct scsi_cmnd *SCpnt;
unsigned int i, k, c, status, tstatus, reg;
struct mssp *spp;
struct mscp *cpp;
if (sh[j]->irq != irq)
panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq, sh[j]->irq);
panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq,
sh[j]->irq);
/* Check if this board need to be serviced */
if (!(inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)) goto none;
if (!(inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED))
goto none;
HD(j)->iocount++;
if (do_trace) printk("%s: ihdlr, enter, irq %d, count %d.\n", BN(j), irq,
if (do_trace)
printk("%s: ihdlr, enter, irq %d, count %d.\n", BN(j), irq,
HD(j)->iocount);
/* Check if this board is still busy */
if (wait_on_busy(sh[j]->io_port, 20 * MAXLOOP)) {
reg = inb(sh[j]->io_port + REG_STATUS);
printk("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n",
printk
("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n",
BN(j), irq, reg, HD(j)->iocount);
goto none;
}
......@@ -2182,10 +2369,11 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
{
unsigned char *bytesp;
int cnt;
bytesp= (unsigned char *) spp;
bytesp = (unsigned char *)spp;
if (HD(j)->iocount < 200) {
printk("sp[] =");
for (cnt=0; cnt < 15; cnt++) printk(" 0x%x", bytesp[cnt]);
for (cnt = 0; cnt < 15; cnt++)
printk(" 0x%x", bytesp[cnt]);
printk("\n");
}
}
......@@ -2193,13 +2381,16 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
/* Reject any sp with supspect data */
if (spp->eoc == 0 && HD(j)->iocount > 1)
printk("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n",
printk
("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n",
BN(j), irq, reg, HD(j)->iocount);
if (spp->cpp_index < 0 || spp->cpp_index >= sh[j]->can_queue)
printk("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n",
printk
("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n",
BN(j), spp->cpp_index, irq, reg, HD(j)->iocount);
if (spp->eoc == 0 || spp->cpp_index < 0
|| spp->cpp_index >= sh[j]->can_queue) goto handled;
|| spp->cpp_index >= sh[j]->can_queue)
goto handled;
/* Find the mailbox to be serviced on this board */
i = spp->cpp_index;
......@@ -2207,25 +2398,23 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
cpp = &(HD(j)->cp[i]);
#if defined(DEBUG_GENERATE_ABORTS)
if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 500) < 3)) goto handled;
if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 500) < 3))
goto handled;
#endif
if (HD(j)->cp_stat[i] == IGNORE) {
HD(j)->cp_stat[i] = FREE;
goto handled;
}
else if (HD(j)->cp_stat[i] == LOCKED) {
} else if (HD(j)->cp_stat[i] == LOCKED) {
HD(j)->cp_stat[i] = FREE;
printk("%s: ihdlr, mbox %d unlocked, count %d.\n", BN(j), i,
HD(j)->iocount);
goto handled;
}
else if (HD(j)->cp_stat[i] == FREE) {
} else if (HD(j)->cp_stat[i] == FREE) {
printk("%s: ihdlr, mbox %d is free, count %d.\n", BN(j), i,
HD(j)->iocount);
goto handled;
}
else if (HD(j)->cp_stat[i] == IN_RESET)
} else if (HD(j)->cp_stat[i] == IN_RESET)
printk("%s: ihdlr, mbox %d is in reset.\n", BN(j), i);
else if (HD(j)->cp_stat[i] != IN_USE)
panic("%s: ihdlr, mbox %d, invalid cp_stat: %d.\n",
......@@ -2234,15 +2423,17 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
HD(j)->cp_stat[i] = FREE;
SCpnt = cpp->SCpnt;
if (SCpnt == NULL) panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", BN(j), i);
if (SCpnt == NULL)
panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", BN(j), i);
if (SCpnt->host_scribble == NULL)
panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j), i,
SCpnt->pid, SCpnt);
panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j),
i, SCpnt->pid, SCpnt);
if (*(unsigned int *)SCpnt->host_scribble != i)
panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
BN(j), i, SCpnt->pid, *(unsigned int *)SCpnt->host_scribble);
BN(j), i, SCpnt->pid,
*(unsigned int *)SCpnt->host_scribble);
sync_dma(i, j);
......@@ -2266,7 +2457,9 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
/* If there was a bus reset, redo operation on each target */
else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK
&& HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel])
&& HD(j)->target_redo[SCpnt->device->id][SCpnt->
device->
channel])
status = DID_BUS_BUSY << 16;
/* Works around a flaw in scsi.c */
......@@ -2279,30 +2472,34 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
status = DID_OK << 16;
if (tstatus == GOOD)
HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel] = 0;
HD(j)->target_redo[SCpnt->device->id][SCpnt->device->
channel] = 0;
if (spp->target_status && SCpnt->device->type == TYPE_DISK &&
(!(tstatus == CHECK_CONDITION && HD(j)->iocount <= 1000 &&
(SCpnt->sense_buffer[2] & 0xf) == NOT_READY)))
printk("%s: ihdlr, target %d.%d:%d, pid %ld, "\
printk("%s: ihdlr, target %d.%d:%d, pid %ld, "
"target_status 0x%x, sense key 0x%x.\n", BN(j),
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun,
SCpnt->pid, spp->target_status,
SCpnt->sense_buffer[2]);
SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid,
spp->target_status, SCpnt->sense_buffer[2]);
HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] = 0;
if (HD(j)->last_retried_pid == SCpnt->pid) HD(j)->retries = 0;
if (HD(j)->last_retried_pid == SCpnt->pid)
HD(j)->retries = 0;
break;
case ASST: /* Selection Time Out */
case 0x02: /* Command Time Out */
if (HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
if (HD(j)->
target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
status = DID_ERROR << 16;
else {
status = DID_TIME_OUT << 16;
HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel]++;
HD(j)->target_to[SCpnt->device->id][SCpnt->device->
channel]++;
}
break;
......@@ -2326,8 +2523,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
HD(j)->retries++;
HD(j)->last_retried_pid = SCpnt->pid;
}
else
} else
status = DID_ERROR << 16;
break;
......@@ -2354,11 +2550,11 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
spp->adapter_status != ASST && HD(j)->iocount <= 1000) ||
do_trace || msg_byte(spp->target_status))
#endif
printk("%s: ihdlr, mbox %2d, err 0x%x:%x,"\
printk("%s: ihdlr, mbox %2d, err 0x%x:%x,"
" target %d.%d:%d, pid %ld, reg 0x%x, count %d.\n",
BN(j), i, spp->adapter_status, spp->target_status,
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid,
reg, HD(j)->iocount);
SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, reg, HD(j)->iocount);
unmap_dma(i, j);
......@@ -2367,23 +2563,26 @@ static irqreturn_t ihdlr(int irq, unsigned int j) {
SCpnt->scsi_done(SCpnt);
if (do_trace) printk("%s: ihdlr, exit, irq %d, count %d.\n", BN(j), irq,
if (do_trace)
printk("%s: ihdlr, exit, irq %d, count %d.\n", BN(j), irq,
HD(j)->iocount);
handled:
handled:
return IRQ_HANDLED;
none:
none:
return IRQ_NONE;
}
static irqreturn_t do_interrupt_handler(int irq, void *shap,
struct pt_regs *regs) {
struct pt_regs *regs)
{
unsigned int j;
unsigned long spin_flags;
irqreturn_t ret;
/* Check if the interrupt must be processed by this handler */
if ((j = (unsigned int)((char *)shap - sha)) >= num_boards) return IRQ_NONE;
if ((j = (unsigned int)((char *)shap - sha)) >= num_boards)
return IRQ_NONE;
spin_lock_irqsave(sh[j]->host_lock, spin_flags);
ret = ihdlr(irq, j);
......@@ -2391,16 +2590,18 @@ static irqreturn_t do_interrupt_handler(int irq, void *shap,
return ret;
}
static int eata2x_release(struct Scsi_Host *shpnt) {
static int eata2x_release(struct Scsi_Host *shpnt)
{
unsigned int i, j;
for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++);
for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++) ;
if (sh[j] == NULL) panic("%s: release, invalid Scsi_Host pointer.\n",
driver_name);
if (sh[j] == NULL)
panic("%s: release, invalid Scsi_Host pointer.\n", driver_name);
for (i = 0; i < sh[j]->can_queue; i++)
if ((&HD(j)->cp[i])->sglist) kfree((&HD(j)->cp[i])->sglist);
if ((&HD(j)->cp[i])->sglist)
kfree((&HD(j)->cp[i])->sglist);
for (i = 0; i < sh[j]->can_queue; i++)
pci_unmap_single(HD(j)->pdev, HD(j)->cp[i].cp_dma_addr,
......@@ -2412,7 +2613,8 @@ static int eata2x_release(struct Scsi_Host *shpnt) {
free_irq(sh[j]->irq, &sha[j]);
if (sh[j]->dma_channel != NO_DMA) free_dma(sh[j]->dma_channel);
if (sh[j]->dma_channel != NO_DMA)
free_dma(sh[j]->dma_channel);
release_region(sh[j]->io_port, sh[j]->n_io_port);
scsi_unregister(sh[j]);
......
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