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Commit 25ba664f authored by James Bottomley's avatar James Bottomley
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convert eata to pass pointers around 

From: 	Christoph Hellwig <hch@lst.de>

pass pointers to Scsi_Host and the private data around instead of using
indices into global arrays all over the place.
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 5b3cf104
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Showing with 292 additions and 299 deletions
drivers/scsi/eata.c
View file @ 25ba664f
...@@ -836,7 +836,7 @@ struct hostdata { ...@@ -836,7 +836,7 @@ struct hostdata {
struct mssp sp; /* Local copy of sp buffer */ struct mssp sp; /* Local copy of sp buffer */
}; };
static struct Scsi_Host *sh[MAX_BOARDS + 1]; static struct Scsi_Host *sh[MAX_BOARDS];
static const char *driver_name = "EATA"; static const char *driver_name = "EATA";
static char sha[MAX_BOARDS]; static char sha[MAX_BOARDS];
static spinlock_t driver_lock = SPIN_LOCK_UNLOCKED; static spinlock_t driver_lock = SPIN_LOCK_UNLOCKED;
...@@ -868,9 +868,6 @@ static unsigned long io_port[] = { ...@@ -868,9 +868,6 @@ static unsigned long io_port[] = {
0x0 0x0
}; };
#define HD(board) ((struct hostdata *) &sh[board]->hostdata)
#define BN(board) (HD(board)->board_name)
/* Device is Big Endian */ /* Device is Big Endian */
#define H2DEV(x) cpu_to_be32(x) #define H2DEV(x) cpu_to_be32(x)
#define DEV2H(x) be32_to_cpu(x) #define DEV2H(x) be32_to_cpu(x)
...@@ -881,7 +878,7 @@ static unsigned long io_port[] = { ...@@ -881,7 +878,7 @@ static unsigned long io_port[] = {
#define REG2H(x) le16_to_cpu(x) #define REG2H(x) le16_to_cpu(x)
static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *); static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *);
static void flush_dev(struct scsi_device *, unsigned long, unsigned int, static void flush_dev(struct scsi_device *, unsigned long, struct hostdata *,
unsigned int); unsigned int);
static int do_trace = 0; static int do_trace = 0;
static int setup_done = 0; static int setup_done = 0;
...@@ -944,11 +941,10 @@ MODULE_DESCRIPTION("EATA/DMA SCSI Driver"); ...@@ -944,11 +941,10 @@ MODULE_DESCRIPTION("EATA/DMA SCSI Driver");
static int eata2x_slave_configure(struct scsi_device *dev) static int eata2x_slave_configure(struct scsi_device *dev)
{ {
int j, tqd, utqd; int tqd, utqd;
char *tag_suffix, *link_suffix; char *tag_suffix, *link_suffix;
struct Scsi_Host *host = dev->host; struct Scsi_Host *shost = dev->host;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
j = ((struct hostdata *)host->hostdata)->board_number;
utqd = MAX_CMD_PER_LUN; utqd = MAX_CMD_PER_LUN;
tqd = max_queue_depth; tqd = max_queue_depth;
...@@ -980,7 +976,7 @@ static int eata2x_slave_configure(struct scsi_device *dev) ...@@ -980,7 +976,7 @@ static int eata2x_slave_configure(struct scsi_device *dev)
link_suffix = ""; link_suffix = "";
printk("%s: scsi%d, channel %d, id %d, lun %d, cmds/lun %d%s%s.\n", printk("%s: scsi%d, channel %d, id %d, lun %d, cmds/lun %d%s%s.\n",
BN(j), host->host_no, dev->channel, dev->id, dev->lun, ha->board_name, shost->host_no, dev->channel, dev->id, dev->lun,
dev->queue_depth, link_suffix, tag_suffix); dev->queue_depth, link_suffix, tag_suffix);
return 0; return 0;
...@@ -1091,6 +1087,8 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1091,6 +1087,8 @@ static int port_detect(unsigned long port_base, unsigned int j,
struct pci_dev *pdev; struct pci_dev *pdev;
/* Allowed DMA channels for ISA (0 indicates reserved) */ /* Allowed DMA channels for ISA (0 indicates reserved) */
unsigned char dma_channel_table[4] = { 5, 6, 7, 0 }; unsigned char dma_channel_table[4] = { 5, 6, 7, 0 };
struct Scsi_Host *shost;
struct hostdata *ha;
char name[16]; char name[16];
sprintf(name, "%s%d", driver_name, j); sprintf(name, "%s%d", driver_name, j);
...@@ -1272,35 +1270,38 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1272,35 +1270,38 @@ static int port_detect(unsigned long port_base, unsigned int j,
#endif #endif
spin_unlock_irq(&driver_lock); spin_unlock_irq(&driver_lock);
sh[j] = scsi_register(tpnt, sizeof(struct hostdata)); sh[j] = shost = scsi_register(tpnt, sizeof(struct hostdata));
spin_lock_irq(&driver_lock); spin_lock_irq(&driver_lock);
if (sh[j] == NULL) { if (shost == NULL) {
printk("%s: unable to register host, detaching.\n", name); printk("%s: unable to register host, detaching.\n", name);
goto freedma; goto freedma;
} }
sh[j]->io_port = port_base; shost->io_port = port_base;
sh[j]->unique_id = port_base; shost->unique_id = port_base;
sh[j]->n_io_port = REGION_SIZE; shost->n_io_port = REGION_SIZE;
sh[j]->dma_channel = dma_channel; shost->dma_channel = dma_channel;
sh[j]->irq = irq; shost->irq = irq;
sh[j]->sg_tablesize = (ushort) info.scatt_size; shost->sg_tablesize = (ushort) info.scatt_size;
sh[j]->this_id = (ushort) info.host_addr[3]; shost->this_id = (ushort) info.host_addr[3];
sh[j]->can_queue = (ushort) info.queue_size; shost->can_queue = (ushort) info.queue_size;
sh[j]->cmd_per_lun = MAX_CMD_PER_LUN; shost->cmd_per_lun = MAX_CMD_PER_LUN;
memset(HD(j), 0, sizeof(struct hostdata));
HD(j)->subversion = subversion; ha = (struct hostdata *)shost->hostdata;
HD(j)->protocol_rev = protocol_rev;
HD(j)->is_pci = is_pci; memset(ha, 0, sizeof(struct hostdata));
HD(j)->pdev = pdev; ha->subversion = subversion;
HD(j)->board_number = j; ha->protocol_rev = protocol_rev;
ha->is_pci = is_pci;
if (HD(j)->subversion == ESA) ha->pdev = pdev;
sh[j]->unchecked_isa_dma = 0; ha->board_number = j;
if (ha->subversion == ESA)
shost->unchecked_isa_dma = 0;
else { else {
unsigned long flags; unsigned long flags;
sh[j]->unchecked_isa_dma = 1; shost->unchecked_isa_dma = 1;
flags = claim_dma_lock(); flags = claim_dma_lock();
disable_dma(dma_channel); disable_dma(dma_channel);
...@@ -1311,36 +1312,36 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1311,36 +1312,36 @@ static int port_detect(unsigned long port_base, unsigned int j,
} }
strcpy(BN(j), name); strcpy(ha->board_name, name);
/* DPT PM2012 does not allow to detect sg_tablesize correctly */ /* DPT PM2012 does not allow to detect sg_tablesize correctly */
if (sh[j]->sg_tablesize > MAX_SGLIST || sh[j]->sg_tablesize < 2) { if (shost->sg_tablesize > MAX_SGLIST || shost->sg_tablesize < 2) {
printk("%s: detect, wrong n. of SG lists %d, fixed.\n", printk("%s: detect, wrong n. of SG lists %d, fixed.\n",
BN(j), sh[j]->sg_tablesize); ha->board_name, shost->sg_tablesize);
sh[j]->sg_tablesize = MAX_SGLIST; shost->sg_tablesize = MAX_SGLIST;
} }
/* DPT PM2012 does not allow to detect can_queue correctly */ /* DPT PM2012 does not allow to detect can_queue correctly */
if (sh[j]->can_queue > MAX_MAILBOXES || sh[j]->can_queue < 2) { if (shost->can_queue > MAX_MAILBOXES || shost->can_queue < 2) {
printk("%s: detect, wrong n. of mbox %d, fixed.\n", printk("%s: detect, wrong n. of mbox %d, fixed.\n",
BN(j), sh[j]->can_queue); ha->board_name, shost->can_queue);
sh[j]->can_queue = MAX_MAILBOXES; shost->can_queue = MAX_MAILBOXES;
} }
if (protocol_rev != 'A') { if (protocol_rev != 'A') {
if (info.max_chan > 0 && info.max_chan < MAX_CHANNEL) if (info.max_chan > 0 && info.max_chan < MAX_CHANNEL)
sh[j]->max_channel = info.max_chan; shost->max_channel = info.max_chan;
if (info.max_id > 7 && info.max_id < MAX_TARGET) if (info.max_id > 7 && info.max_id < MAX_TARGET)
sh[j]->max_id = info.max_id + 1; shost->max_id = info.max_id + 1;
if (info.large_sg && sh[j]->sg_tablesize == MAX_SGLIST) if (info.large_sg && shost->sg_tablesize == MAX_SGLIST)
sh[j]->sg_tablesize = MAX_LARGE_SGLIST; shost->sg_tablesize = MAX_LARGE_SGLIST;
} }
if (protocol_rev == 'C') { if (protocol_rev == 'C') {
if (info.max_lun > 7 && info.max_lun < MAX_LUN) if (info.max_lun > 7 && info.max_lun < MAX_LUN)
sh[j]->max_lun = info.max_lun + 1; shost->max_lun = info.max_lun + 1;
} }
if (dma_channel == NO_DMA) if (dma_channel == NO_DMA)
...@@ -1350,28 +1351,28 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1350,28 +1351,28 @@ static int port_detect(unsigned long port_base, unsigned int j,
spin_unlock_irq(&driver_lock); spin_unlock_irq(&driver_lock);
for (i = 0; i < sh[j]->can_queue; i++) for (i = 0; i < shost->can_queue; i++)
HD(j)->cp[i].cp_dma_addr = pci_map_single(HD(j)->pdev, ha->cp[i].cp_dma_addr = pci_map_single(ha->pdev,
&HD(j)->cp[i], &ha->cp[i],
sizeof(struct mscp), sizeof(struct mscp),
PCI_DMA_BIDIRECTIONAL); PCI_DMA_BIDIRECTIONAL);
for (i = 0; i < sh[j]->can_queue; i++) { for (i = 0; i < shost->can_queue; i++) {
size_t sz = sh[j]->sg_tablesize *sizeof(struct sg_list); size_t sz = shost->sg_tablesize *sizeof(struct sg_list);
unsigned int gfp_mask = (sh[j]->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC; unsigned int gfp_mask = (shost->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC;
(&HD(j)->cp[i])->sglist = kmalloc(sz, gfp_mask); ha->cp[i].sglist = kmalloc(sz, gfp_mask);
if (!(&HD(j)->cp[i])->sglist) { if (!ha->cp[i].sglist) {
printk printk
("%s: kmalloc SGlist failed, mbox %d, detaching.\n", ("%s: kmalloc SGlist failed, mbox %d, detaching.\n",
BN(j), i); ha->board_name, i);
goto release; goto release;
} }
} }
if (!(HD(j)->sp_cpu_addr = pci_alloc_consistent(HD(j)->pdev, if (!(ha->sp_cpu_addr = pci_alloc_consistent(ha->pdev,
sizeof(struct mssp), sizeof(struct mssp),
&HD(j)->sp_dma_addr))) { &ha->sp_dma_addr))) {
printk("%s: pci_alloc_consistent failed, detaching.\n", BN(j)); printk("%s: pci_alloc_consistent failed, detaching.\n", ha->board_name);
goto release; goto release;
} }
...@@ -1396,18 +1397,18 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1396,18 +1397,18 @@ static int port_detect(unsigned long port_base, unsigned int j,
} }
printk("%s: 2.0%c, %s 0x%03lx, IRQ %u, %s, SG %d, MB %d.\n", printk("%s: 2.0%c, %s 0x%03lx, IRQ %u, %s, SG %d, MB %d.\n",
BN(j), HD(j)->protocol_rev, bus_type, ha->board_name, ha->protocol_rev, bus_type,
(unsigned long)sh[j]->io_port, sh[j]->irq, dma_name, (unsigned long)shost->io_port, shost->irq, dma_name,
sh[j]->sg_tablesize, sh[j]->can_queue); shost->sg_tablesize, shost->can_queue);
if (sh[j]->max_id > 8 || sh[j]->max_lun > 8) if (shost->max_id > 8 || shost->max_lun > 8)
printk printk
("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n", ("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
BN(j), sh[j]->max_id, sh[j]->max_lun); ha->board_name, shost->max_id, shost->max_lun);
for (i = 0; i <= sh[j]->max_channel; i++) for (i = 0; i <= shost->max_channel; i++)
printk("%s: SCSI channel %u enabled, host target ID %d.\n", printk("%s: SCSI channel %u enabled, host target ID %d.\n",
BN(j), i, info.host_addr[3 - i]); ha->board_name, i, info.host_addr[3 - i]);
#if defined(DEBUG_DETECT) #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, "
...@@ -1427,11 +1428,11 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1427,11 +1428,11 @@ static int port_detect(unsigned long port_base, unsigned int j,
info.idquest, info.pci, info.eisa, info.raidnum); info.idquest, info.pci, info.eisa, info.raidnum);
#endif #endif
if (HD(j)->pdev) { if (ha->pdev) {
pci_set_master(HD(j)->pdev); pci_set_master(ha->pdev);
if (pci_set_dma_mask(HD(j)->pdev, 0xffffffff)) if (pci_set_dma_mask(ha->pdev, 0xffffffff))
printk("%s: warning, pci_set_dma_mask failed.\n", printk("%s: warning, pci_set_dma_mask failed.\n",
BN(j)); ha->board_name);
} }
return 1; return 1;
...@@ -1448,7 +1449,7 @@ static int port_detect(unsigned long port_base, unsigned int j, ...@@ -1448,7 +1449,7 @@ static int port_detect(unsigned long port_base, unsigned int j,
return 0; return 0;
release: release:
eata2x_release(sh[j]); eata2x_release(shost);
return 0; return 0;
} }
...@@ -1578,9 +1579,6 @@ static int eata2x_detect(struct scsi_host_template *tpnt) ...@@ -1578,9 +1579,6 @@ static int eata2x_detect(struct scsi_host_template *tpnt)
} }
#endif #endif
for (k = 0; k < MAX_BOARDS + 1; k++)
sh[k] = NULL;
for (k = MAX_INT_PARAM; io_port[k]; k++) for (k = MAX_INT_PARAM; io_port[k]; k++)
if (io_port[k] == SKIP) if (io_port[k] == SKIP)
continue; continue;
...@@ -1613,21 +1611,20 @@ static int eata2x_detect(struct scsi_host_template *tpnt) ...@@ -1613,21 +1611,20 @@ static int eata2x_detect(struct scsi_host_template *tpnt)
return j; return j;
} }
static void map_dma(unsigned int i, unsigned int j) static void map_dma(unsigned int i, struct hostdata *ha)
{ {
unsigned int k, count, pci_dir; unsigned int k, count, pci_dir;
struct scatterlist *sgpnt; struct scatterlist *sgpnt;
struct mscp *cpp; struct mscp *cpp;
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; cpp = &ha->cp[i];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction; pci_dir = SCpnt->sc_data_direction;
if (SCpnt->sense_buffer) if (SCpnt->sense_buffer)
cpp->sense_addr = cpp->sense_addr =
H2DEV(pci_map_single H2DEV(pci_map_single(ha->pdev, SCpnt->sense_buffer,
(HD(j)->pdev, SCpnt->sense_buffer,
sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE)); sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
cpp->sense_len = sizeof SCpnt->sense_buffer; cpp->sense_len = sizeof SCpnt->sense_buffer;
...@@ -1639,7 +1636,7 @@ static void map_dma(unsigned int i, unsigned int j) ...@@ -1639,7 +1636,7 @@ static void map_dma(unsigned int i, unsigned int j)
pci_dir = PCI_DMA_BIDIRECTIONAL; pci_dir = PCI_DMA_BIDIRECTIONAL;
if (SCpnt->request_buffer) if (SCpnt->request_buffer)
cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->data_address = H2DEV(pci_map_single(ha->pdev,
SCpnt-> SCpnt->
request_buffer, request_buffer,
SCpnt-> SCpnt->
...@@ -1651,7 +1648,7 @@ static void map_dma(unsigned int i, unsigned int j) ...@@ -1651,7 +1648,7 @@ static void map_dma(unsigned int i, unsigned int j)
} }
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); count = pci_map_sg(ha->pdev, sgpnt, SCpnt->use_sg, pci_dir);
for (k = 0; k < count; k++) { for (k = 0; k < count; k++) {
cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k])); cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
...@@ -1659,68 +1656,68 @@ static void map_dma(unsigned int i, unsigned int j) ...@@ -1659,68 +1656,68 @@ static void map_dma(unsigned int i, unsigned int j)
} }
cpp->sg = 1; cpp->sg = 1;
cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist, cpp->data_address = H2DEV(pci_map_single(ha->pdev, cpp->sglist,
SCpnt->use_sg * SCpnt->use_sg *
sizeof(struct sg_list), sizeof(struct sg_list),
pci_dir)); pci_dir));
cpp->data_len = H2DEV((SCpnt->use_sg * sizeof(struct sg_list))); 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, struct hostdata *ha)
{ {
unsigned int pci_dir; unsigned int pci_dir;
struct mscp *cpp; struct mscp *cpp;
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; cpp = &ha->cp[i];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction; pci_dir = SCpnt->sc_data_direction;
if (DEV2H(cpp->sense_addr)) if (DEV2H(cpp->sense_addr))
pci_unmap_single(HD(j)->pdev, DEV2H(cpp->sense_addr), pci_unmap_single(ha->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE); DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
if (SCpnt->use_sg) if (SCpnt->use_sg)
pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg, pci_unmap_sg(ha->pdev, SCpnt->request_buffer, SCpnt->use_sg,
pci_dir); pci_dir);
if (!DEV2H(cpp->data_len)) if (!DEV2H(cpp->data_len))
pci_dir = PCI_DMA_BIDIRECTIONAL; pci_dir = PCI_DMA_BIDIRECTIONAL;
if (DEV2H(cpp->data_address)) if (DEV2H(cpp->data_address))
pci_unmap_single(HD(j)->pdev, DEV2H(cpp->data_address), pci_unmap_single(ha->pdev, DEV2H(cpp->data_address),
DEV2H(cpp->data_len), pci_dir); DEV2H(cpp->data_len), pci_dir);
} }
static void sync_dma(unsigned int i, unsigned int j) static void sync_dma(unsigned int i, struct hostdata *ha)
{ {
unsigned int pci_dir; unsigned int pci_dir;
struct mscp *cpp; struct mscp *cpp;
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; cpp = &ha->cp[i];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
pci_dir = SCpnt->sc_data_direction; pci_dir = SCpnt->sc_data_direction;
if (DEV2H(cpp->sense_addr)) if (DEV2H(cpp->sense_addr))
pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr), pci_dma_sync_single_for_cpu(ha->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), DEV2H(cpp->sense_len),
PCI_DMA_FROMDEVICE); PCI_DMA_FROMDEVICE);
if (SCpnt->use_sg) if (SCpnt->use_sg)
pci_dma_sync_sg_for_cpu(HD(j)->pdev, SCpnt->request_buffer, pci_dma_sync_sg_for_cpu(ha->pdev, SCpnt->request_buffer,
SCpnt->use_sg, pci_dir); SCpnt->use_sg, pci_dir);
if (!DEV2H(cpp->data_len)) if (!DEV2H(cpp->data_len))
pci_dir = PCI_DMA_BIDIRECTIONAL; pci_dir = PCI_DMA_BIDIRECTIONAL;
if (DEV2H(cpp->data_address)) if (DEV2H(cpp->data_address))
pci_dma_sync_single_for_cpu(HD(j)->pdev, pci_dma_sync_single_for_cpu(ha->pdev,
DEV2H(cpp->data_address), DEV2H(cpp->data_address),
DEV2H(cpp->data_len), pci_dir); 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, struct hostdata *ha)
{ {
unsigned int k; unsigned int k;
...@@ -1739,7 +1736,7 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) ...@@ -1739,7 +1736,7 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j)
struct mscp *cpp; struct mscp *cpp;
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
cpp = &HD(j)->cp[i]; cpp = &ha->cp[i];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
...@@ -1757,7 +1754,8 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) ...@@ -1757,7 +1754,8 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j)
} }
if (SCpnt->sc_data_direction != DMA_BIDIRECTIONAL) if (SCpnt->sc_data_direction != DMA_BIDIRECTIONAL)
panic("%s: qcomm, invalid SCpnt->sc_data_direction.\n", BN(j)); panic("%s: qcomm, invalid SCpnt->sc_data_direction.\n",
ha->board_name);
for (k = 0; k < ARRAY_SIZE(data_out_cmds); k++) for (k = 0; k < ARRAY_SIZE(data_out_cmds); k++)
if (SCpnt->cmnd[0] == data_out_cmds[k]) { if (SCpnt->cmnd[0] == data_out_cmds[k]) {
...@@ -1777,43 +1775,40 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) ...@@ -1777,43 +1775,40 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j)
static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, static int eata2x_queuecommand(struct scsi_cmnd *SCpnt,
void (*done) (struct scsi_cmnd *)) void (*done) (struct scsi_cmnd *))
{ {
unsigned int i, j, k; struct Scsi_Host *shost = SCpnt->device->host;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
unsigned int i, k;
struct mscp *cpp; struct mscp *cpp;
/* j is the board number */
j = ((struct hostdata *)SCpnt->device->host->hostdata)->board_number;
if (SCpnt->host_scribble) if (SCpnt->host_scribble)
panic("%s: qcomm, pid %ld, SCpnt %p already active.\n", panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
BN(j), SCpnt->pid, SCpnt); ha->board_name, SCpnt->pid, SCpnt);
/* i is the mailbox number, look for the first free mailbox /* i is the mailbox number, look for the first free mailbox
starting from last_cp_used */ starting from last_cp_used */
i = HD(j)->last_cp_used + 1; i = ha->last_cp_used + 1;
for (k = 0; k < sh[j]->can_queue; k++, i++) { for (k = 0; k < shost->can_queue; k++, i++) {
if (i >= shost->can_queue)
if (i >= sh[j]->can_queue)
i = 0; i = 0;
if (ha->cp_stat[i] == FREE) {
if (HD(j)->cp_stat[i] == FREE) { ha->last_cp_used = i;
HD(j)->last_cp_used = i;
break; break;
} }
} }
if (k == sh[j]->can_queue) { if (k == shost->can_queue) {
printk("%s: qcomm, no free mailbox.\n", BN(j)); printk("%s: qcomm, no free mailbox.\n", ha->board_name);
return 1; return 1;
} }
/* Set pointer to control packet structure */ /* Set pointer to control packet structure */
cpp = &HD(j)->cp[i]; cpp = &ha->cp[i];
memset(cpp, 0, sizeof(struct mscp) - CP_TAIL_SIZE); memset(cpp, 0, sizeof(struct mscp) - CP_TAIL_SIZE);
/* Set pointer to status packet structure, Big Endian format */ /* Set pointer to status packet structure, Big Endian format */
cpp->sp_dma_addr = H2DEV(HD(j)->sp_dma_addr); cpp->sp_dma_addr = H2DEV(ha->sp_dma_addr);
SCpnt->scsi_done = done; SCpnt->scsi_done = done;
cpp->cpp_index = i; cpp->cpp_index = i;
...@@ -1821,7 +1816,7 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, ...@@ -1821,7 +1816,7 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt,
if (do_trace) if (do_trace)
printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n", printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
BN(j), i, SCpnt->device->channel, SCpnt->device->id, ha->board_name, i, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid); SCpnt->device->lun, SCpnt->pid);
cpp->reqsen = 1; cpp->reqsen = 1;
...@@ -1838,234 +1833,234 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt, ...@@ -1838,234 +1833,234 @@ static int eata2x_queuecommand(struct scsi_cmnd *SCpnt,
memcpy(cpp->cdb, SCpnt->cmnd, SCpnt->cmd_len); memcpy(cpp->cdb, SCpnt->cmnd, SCpnt->cmd_len);
/* Use data transfer direction SCpnt->sc_data_direction */ /* Use data transfer direction SCpnt->sc_data_direction */
scsi_to_dev_dir(i, j); scsi_to_dev_dir(i, ha);
/* Map DMA buffers and SG list */ /* Map DMA buffers and SG list */
map_dma(i, j); map_dma(i, ha);
if (linked_comm && SCpnt->device->queue_depth > 2 if (linked_comm && SCpnt->device->queue_depth > 2
&& TLDEV(SCpnt->device->type)) { && TLDEV(SCpnt->device->type)) {
HD(j)->cp_stat[i] = READY; ha->cp_stat[i] = READY;
flush_dev(SCpnt->device, SCpnt->request->sector, j, 0); flush_dev(SCpnt->device, SCpnt->request->sector, ha, 0);
return 0; return 0;
} }
/* Send control packet to the board */ /* Send control packet to the board */
if (do_dma(sh[j]->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) { if (do_dma(shost->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
unmap_dma(i, j); unmap_dma(i, ha);
SCpnt->host_scribble = NULL; SCpnt->host_scribble = NULL;
printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n", printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n",
BN(j), SCpnt->device->channel, SCpnt->device->id, ha->board_name, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid); SCpnt->device->lun, SCpnt->pid);
return 1; return 1;
} }
HD(j)->cp_stat[i] = IN_USE; ha->cp_stat[i] = IN_USE;
return 0; return 0;
} }
static int eata2x_eh_abort(struct scsi_cmnd *SCarg) static int eata2x_eh_abort(struct scsi_cmnd *SCarg)
{ {
unsigned int i, j; struct Scsi_Host *shost = SCarg->device->host;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
j = ((struct hostdata *)SCarg->device->host->hostdata)->board_number; unsigned int i;
if (SCarg->host_scribble == NULL) { if (SCarg->host_scribble == NULL) {
printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n", printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n",
BN(j), SCarg->device->channel, SCarg->device->id, ha->board_name, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid); SCarg->device->lun, SCarg->pid);
return SUCCESS; return SUCCESS;
} }
i = *(unsigned int *)SCarg->host_scribble; i = *(unsigned int *)SCarg->host_scribble;
printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n", printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n",
BN(j), i, SCarg->device->channel, SCarg->device->id, ha->board_name, i, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid); SCarg->device->lun, SCarg->pid);
if (i >= sh[j]->can_queue) if (i >= shost->can_queue)
panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j)); panic("%s: abort, invalid SCarg->host_scribble.\n", ha->board_name);
if (wait_on_busy(sh[j]->io_port, MAXLOOP)) { if (wait_on_busy(shost->io_port, MAXLOOP)) {
printk("%s: abort, timeout error.\n", BN(j)); printk("%s: abort, timeout error.\n", ha->board_name);
return FAILED; return FAILED;
} }
if (HD(j)->cp_stat[i] == FREE) { if (ha->cp_stat[i] == FREE) {
printk("%s: abort, mbox %d is free.\n", BN(j), i); printk("%s: abort, mbox %d is free.\n", ha->board_name, i);
return SUCCESS; return SUCCESS;
} }
if (HD(j)->cp_stat[i] == IN_USE) { if (ha->cp_stat[i] == IN_USE) {
printk("%s: abort, mbox %d is in use.\n", BN(j), i); printk("%s: abort, mbox %d is in use.\n", ha->board_name, i);
if (SCarg != HD(j)->cp[i].SCpnt) if (SCarg != ha->cp[i].SCpnt)
panic("%s: abort, mbox %d, SCarg %p, cp SCpnt %p.\n", panic("%s: abort, mbox %d, SCarg %p, cp SCpnt %p.\n",
BN(j), i, SCarg, HD(j)->cp[i].SCpnt); ha->board_name, i, SCarg, ha->cp[i].SCpnt);
if (inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED) if (inb(shost->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)
printk("%s: abort, mbox %d, interrupt pending.\n", printk("%s: abort, mbox %d, interrupt pending.\n",
BN(j), i); ha->board_name, i);
if (SCarg->eh_state == SCSI_STATE_TIMEOUT) { if (SCarg->eh_state == SCSI_STATE_TIMEOUT) {
unmap_dma(i, j); unmap_dma(i, ha);
SCarg->host_scribble = NULL; SCarg->host_scribble = NULL;
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
printk printk
("%s, abort, mbox %d, eh_state timeout, pid %ld.\n", ("%s, abort, mbox %d, eh_state timeout, pid %ld.\n",
BN(j), i, SCarg->pid); ha->board_name, i, SCarg->pid);
return SUCCESS; return SUCCESS;
} }
return FAILED; return FAILED;
} }
if (HD(j)->cp_stat[i] == IN_RESET) { if (ha->cp_stat[i] == IN_RESET) {
printk("%s: abort, mbox %d is in reset.\n", BN(j), i); printk("%s: abort, mbox %d is in reset.\n", ha->board_name, i);
return FAILED; return FAILED;
} }
if (HD(j)->cp_stat[i] == LOCKED) { if (ha->cp_stat[i] == LOCKED) {
printk("%s: abort, mbox %d is locked.\n", BN(j), i); printk("%s: abort, mbox %d is locked.\n", ha->board_name, i);
return SUCCESS; return SUCCESS;
} }
if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) { if (ha->cp_stat[i] == READY || ha->cp_stat[i] == ABORTING) {
unmap_dma(i, j); unmap_dma(i, ha);
SCarg->result = DID_ABORT << 16; SCarg->result = DID_ABORT << 16;
SCarg->host_scribble = NULL; SCarg->host_scribble = NULL;
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n", printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n",
BN(j), i, SCarg->pid); ha->board_name, i, SCarg->pid);
SCarg->scsi_done(SCarg); SCarg->scsi_done(SCarg);
return SUCCESS; return SUCCESS;
} }
panic("%s: abort, mbox %d, invalid cp_stat.\n", BN(j), i); panic("%s: abort, mbox %d, invalid cp_stat.\n", ha->board_name, 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; unsigned int i, time, k, c, limit = 0;
int arg_done = 0; int arg_done = 0;
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
struct Scsi_Host *shost = SCarg->device->host;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
j = ((struct hostdata *)SCarg->device->host->hostdata)->board_number;
printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n", printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n",
BN(j), SCarg->device->channel, SCarg->device->id, ha->board_name, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid); SCarg->device->lun, SCarg->pid);
if (SCarg->host_scribble == NULL) if (SCarg->host_scribble == NULL)
printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid); printk("%s: reset, pid %ld inactive.\n", ha->board_name, SCarg->pid);
if (HD(j)->in_reset) { if (ha->in_reset) {
printk("%s: reset, exit, already in reset.\n", BN(j)); printk("%s: reset, exit, already in reset.\n", ha->board_name);
return FAILED; return FAILED;
} }
if (wait_on_busy(sh[j]->io_port, MAXLOOP)) { if (wait_on_busy(shost->io_port, MAXLOOP)) {
printk("%s: reset, exit, timeout error.\n", BN(j)); printk("%s: reset, exit, timeout error.\n", ha->board_name);
return FAILED; return FAILED;
} }
HD(j)->retries = 0; ha->retries = 0;
for (c = 0; c <= sh[j]->max_channel; c++) for (c = 0; c <= shost->max_channel; c++)
for (k = 0; k < sh[j]->max_id; k++) { for (k = 0; k < shost->max_id; k++) {
HD(j)->target_redo[k][c] = 1; ha->target_redo[k][c] = 1;
HD(j)->target_to[k][c] = 0; ha->target_to[k][c] = 0;
} }
for (i = 0; i < sh[j]->can_queue; i++) { for (i = 0; i < shost->can_queue; i++) {
if (HD(j)->cp_stat[i] == FREE) if (ha->cp_stat[i] == FREE)
continue; continue;
if (HD(j)->cp_stat[i] == LOCKED) { if (ha->cp_stat[i] == LOCKED) {
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
printk("%s: reset, locked mbox %d forced free.\n", printk("%s: reset, locked mbox %d forced free.\n",
BN(j), i); ha->board_name, i);
continue; continue;
} }
if (!(SCpnt = HD(j)->cp[i].SCpnt)) if (!(SCpnt = ha->cp[i].SCpnt))
panic("%s: reset, mbox %d, SCpnt == NULL.\n", BN(j), i); panic("%s: reset, mbox %d, SCpnt == NULL.\n", ha->board_name, i);
if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) { if (ha->cp_stat[i] == READY || ha->cp_stat[i] == ABORTING) {
HD(j)->cp_stat[i] = ABORTING; ha->cp_stat[i] = ABORTING;
printk("%s: reset, mbox %d aborting, pid %ld.\n", printk("%s: reset, mbox %d aborting, pid %ld.\n",
BN(j), i, SCpnt->pid); ha->board_name, i, SCpnt->pid);
} }
else { else {
HD(j)->cp_stat[i] = IN_RESET; ha->cp_stat[i] = IN_RESET;
printk("%s: reset, mbox %d in reset, pid %ld.\n", printk("%s: reset, mbox %d in reset, pid %ld.\n",
BN(j), i, SCpnt->pid); ha->board_name, i, SCpnt->pid);
} }
if (SCpnt->host_scribble == NULL) if (SCpnt->host_scribble == NULL)
panic("%s: reset, mbox %d, garbled SCpnt.\n", BN(j), i); panic("%s: reset, mbox %d, garbled SCpnt.\n", ha->board_name, i);
if (*(unsigned int *)SCpnt->host_scribble != i) if (*(unsigned int *)SCpnt->host_scribble != i)
panic("%s: reset, mbox %d, index mismatch.\n", BN(j), panic("%s: reset, mbox %d, index mismatch.\n", ha->board_name, i);
i);
if (SCpnt->scsi_done == NULL) if (SCpnt->scsi_done == NULL)
panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n", panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n",
BN(j), i); ha->board_name, i);
if (SCpnt == SCarg) if (SCpnt == SCarg)
arg_done = 1; arg_done = 1;
} }
if (do_dma(sh[j]->io_port, 0, RESET_PIO)) { if (do_dma(shost->io_port, 0, RESET_PIO)) {
printk("%s: reset, cannot reset, timeout error.\n", BN(j)); printk("%s: reset, cannot reset, timeout error.\n", ha->board_name);
return FAILED; return FAILED;
} }
printk("%s: reset, board reset done, enabling interrupts.\n", BN(j)); printk("%s: reset, board reset done, enabling interrupts.\n", ha->board_name);
#if defined(DEBUG_RESET) #if defined(DEBUG_RESET)
do_trace = 1; do_trace = 1;
#endif #endif
HD(j)->in_reset = 1; ha->in_reset = 1;
spin_unlock_irq(sh[j]->host_lock); spin_unlock_irq(shost->host_lock);
time = jiffies; time = jiffies;
while ((jiffies - time) < (10 * HZ) && limit++ < 200000) while ((jiffies - time) < (10 * HZ) && limit++ < 200000)
udelay(100L); udelay(100L);
spin_lock_irq(sh[j]->host_lock); spin_lock_irq(shost->host_lock);
printk("%s: reset, interrupts disabled, loops %d.\n", BN(j), limit); printk("%s: reset, interrupts disabled, loops %d.\n", ha->board_name, limit);
for (i = 0; i < sh[j]->can_queue; i++) { for (i = 0; i < shost->can_queue; i++) {
if (HD(j)->cp_stat[i] == IN_RESET) { if (ha->cp_stat[i] == IN_RESET) {
SCpnt = HD(j)->cp[i].SCpnt; SCpnt = ha->cp[i].SCpnt;
unmap_dma(i, j); unmap_dma(i, ha);
SCpnt->result = DID_RESET << 16; SCpnt->result = DID_RESET << 16;
SCpnt->host_scribble = NULL; SCpnt->host_scribble = NULL;
/* This mailbox is still waiting for its interrupt */ /* This mailbox is still waiting for its interrupt */
HD(j)->cp_stat[i] = LOCKED; ha->cp_stat[i] = LOCKED;
printk printk
("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n", ("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
BN(j), i, SCpnt->pid); ha->board_name, i, SCpnt->pid);
} }
else if (HD(j)->cp_stat[i] == ABORTING) { else if (ha->cp_stat[i] == ABORTING) {
SCpnt = HD(j)->cp[i].SCpnt; SCpnt = ha->cp[i].SCpnt;
unmap_dma(i, j); unmap_dma(i, ha);
SCpnt->result = DID_RESET << 16; SCpnt->result = DID_RESET << 16;
SCpnt->host_scribble = NULL; SCpnt->host_scribble = NULL;
/* This mailbox was never queued to the adapter */ /* This mailbox was never queued to the adapter */
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
printk printk
("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n", ("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
BN(j), i, SCpnt->pid); ha->board_name, i, SCpnt->pid);
} }
else else
...@@ -2075,13 +2070,13 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg) ...@@ -2075,13 +2070,13 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
SCpnt->scsi_done(SCpnt); SCpnt->scsi_done(SCpnt);
} }
HD(j)->in_reset = 0; ha->in_reset = 0;
do_trace = 0; do_trace = 0;
if (arg_done) if (arg_done)
printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid); printk("%s: reset, exit, pid %ld done.\n", ha->board_name, SCarg->pid);
else else
printk("%s: reset, exit.\n", BN(j)); printk("%s: reset, exit.\n", ha->board_name);
return SUCCESS; return SUCCESS;
} }
...@@ -2135,7 +2130,7 @@ static void sort(unsigned long sk[], unsigned int da[], unsigned int n, ...@@ -2135,7 +2130,7 @@ static void sort(unsigned long sk[], unsigned int da[], unsigned int n,
return; return;
} }
static int reorder(unsigned int j, unsigned long cursec, static int reorder(struct hostdata *ha, 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 scsi_cmnd *SCpnt;
...@@ -2164,7 +2159,7 @@ static int reorder(unsigned int j, unsigned long cursec, ...@@ -2164,7 +2159,7 @@ static int reorder(unsigned int j, unsigned long cursec,
for (n = 0; n < n_ready; n++) { for (n = 0; n < n_ready; n++) {
k = il[n]; k = il[n];
cpp = &HD(j)->cp[k]; cpp = &ha->cp[k];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
if (!cpp->din) if (!cpp->din)
...@@ -2214,7 +2209,7 @@ static int reorder(unsigned int j, unsigned long cursec, ...@@ -2214,7 +2209,7 @@ static int reorder(unsigned int j, unsigned long cursec,
if (!input_only) if (!input_only)
for (n = 0; n < n_ready; n++) { for (n = 0; n < n_ready; n++) {
k = il[n]; k = il[n];
cpp = &HD(j)->cp[k]; cpp = &ha->cp[k];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
ll[n] = SCpnt->request->nr_sectors; ll[n] = SCpnt->request->nr_sectors;
pl[n] = SCpnt->pid; pl[n] = SCpnt->pid;
...@@ -2259,7 +2254,7 @@ static int reorder(unsigned int j, unsigned long cursec, ...@@ -2259,7 +2254,7 @@ static int reorder(unsigned int j, unsigned long cursec,
if (link_statistics && (overlap || !(flushcount % link_statistics))) if (link_statistics && (overlap || !(flushcount % link_statistics)))
for (n = 0; n < n_ready; n++) { for (n = 0; n < n_ready; n++) {
k = il[n]; k = il[n];
cpp = &HD(j)->cp[k]; cpp = &ha->cp[k];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
printk printk
("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld" ("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"
...@@ -2277,100 +2272,100 @@ static int reorder(unsigned int j, unsigned long cursec, ...@@ -2277,100 +2272,100 @@ static int reorder(unsigned int j, unsigned long cursec,
} }
static void flush_dev(struct scsi_device *dev, unsigned long cursec, static void flush_dev(struct scsi_device *dev, unsigned long cursec,
unsigned int j, unsigned int ihdlr) struct hostdata *ha, unsigned int ihdlr)
{ {
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
struct mscp *cpp; struct mscp *cpp;
unsigned int k, n, n_ready = 0, il[MAX_MAILBOXES]; unsigned int k, n, n_ready = 0, il[MAX_MAILBOXES];
for (k = 0; k < sh[j]->can_queue; k++) { for (k = 0; k < dev->host->can_queue; k++) {
if (HD(j)->cp_stat[k] != READY && HD(j)->cp_stat[k] != IN_USE) if (ha->cp_stat[k] != READY && ha->cp_stat[k] != IN_USE)
continue; continue;
cpp = &HD(j)->cp[k]; cpp = &ha->cp[k];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
if (SCpnt->device != dev) if (SCpnt->device != dev)
continue; continue;
if (HD(j)->cp_stat[k] == IN_USE) if (ha->cp_stat[k] == IN_USE)
return; return;
il[n_ready++] = k; il[n_ready++] = k;
} }
if (reorder(j, cursec, ihdlr, il, n_ready)) if (reorder(ha, cursec, ihdlr, il, n_ready))
n_ready = 1; n_ready = 1;
for (n = 0; n < n_ready; n++) { for (n = 0; n < n_ready; n++) {
k = il[n]; k = il[n];
cpp = &HD(j)->cp[k]; cpp = &ha->cp[k];
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
if (do_dma(sh[j]->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) { if (do_dma(dev->host->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
printk printk
("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter" ("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"
" busy, will abort.\n", BN(j), " busy, will abort.\n", ha->board_name,
(ihdlr ? "ihdlr" : "qcomm"), (ihdlr ? "ihdlr" : "qcomm"),
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, k); SCpnt->device->lun, SCpnt->pid, k);
HD(j)->cp_stat[k] = ABORTING; ha->cp_stat[k] = ABORTING;
continue; continue;
} }
HD(j)->cp_stat[k] = IN_USE; ha->cp_stat[k] = IN_USE;
} }
} }
static irqreturn_t ihdlr(int irq, unsigned int j) static irqreturn_t ihdlr(int irq, struct Scsi_Host *shost)
{ {
struct scsi_cmnd *SCpnt; struct scsi_cmnd *SCpnt;
unsigned int i, k, c, status, tstatus, reg; unsigned int i, k, c, status, tstatus, reg;
struct mssp *spp; struct mssp *spp;
struct mscp *cpp; struct mscp *cpp;
struct hostdata *ha = (struct hostdata *)shost->hostdata;
if (sh[j]->irq != irq) if (shost->irq != irq)
panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq, panic("%s: ihdlr, irq %d, shost->irq %d.\n", ha->board_name, irq,
sh[j]->irq); shost->irq);
/* Check if this board need to be serviced */ /* Check if this board need to be serviced */
if (!(inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)) if (!(inb(shost->io_port + REG_AUX_STATUS) & IRQ_ASSERTED))
goto none; goto none;
HD(j)->iocount++; ha->iocount++;
if (do_trace) if (do_trace)
printk("%s: ihdlr, enter, irq %d, count %d.\n", BN(j), irq, printk("%s: ihdlr, enter, irq %d, count %d.\n", ha->board_name, irq,
HD(j)->iocount); ha->iocount);
/* Check if this board is still busy */ /* Check if this board is still busy */
if (wait_on_busy(sh[j]->io_port, 20 * MAXLOOP)) { if (wait_on_busy(shost->io_port, 20 * MAXLOOP)) {
reg = inb(sh[j]->io_port + REG_STATUS); reg = inb(shost->io_port + REG_STATUS);
printk printk
("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n", ("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n",
BN(j), irq, reg, HD(j)->iocount); ha->board_name, irq, reg, ha->iocount);
goto none; goto none;
} }
spp = &HD(j)->sp; spp = &ha->sp;
/* Make a local copy just before clearing the interrupt indication */ /* Make a local copy just before clearing the interrupt indication */
memcpy(spp, HD(j)->sp_cpu_addr, sizeof(struct mssp)); memcpy(spp, ha->sp_cpu_addr, sizeof(struct mssp));
/* Clear the completion flag and cp pointer on the dynamic copy of sp */ /* Clear the completion flag and cp pointer on the dynamic copy of sp */
memset(HD(j)->sp_cpu_addr, 0, sizeof(struct mssp)); memset(ha->sp_cpu_addr, 0, sizeof(struct mssp));
/* Read the status register to clear the interrupt indication */ /* Read the status register to clear the interrupt indication */
reg = inb(sh[j]->io_port + REG_STATUS); reg = inb(shost->io_port + REG_STATUS);
#if defined (DEBUG_INTERRUPT) #if defined (DEBUG_INTERRUPT)
{ {
unsigned char *bytesp; unsigned char *bytesp;
int cnt; int cnt;
bytesp = (unsigned char *)spp; bytesp = (unsigned char *)spp;
if (HD(j)->iocount < 200) { if (ha->iocount < 200) {
printk("sp[] ="); printk("sp[] =");
for (cnt = 0; cnt < 15; cnt++) for (cnt = 0; cnt < 15; cnt++)
printk(" 0x%x", bytesp[cnt]); printk(" 0x%x", bytesp[cnt]);
...@@ -2380,71 +2375,71 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2380,71 +2375,71 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
#endif #endif
/* Reject any sp with supspect data */ /* Reject any sp with supspect data */
if (spp->eoc == 0 && HD(j)->iocount > 1) if (spp->eoc == 0 && ha->iocount > 1)
printk printk
("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n", ("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n",
BN(j), irq, reg, HD(j)->iocount); ha->board_name, irq, reg, ha->iocount);
if (spp->cpp_index < 0 || spp->cpp_index >= sh[j]->can_queue) if (spp->cpp_index < 0 || spp->cpp_index >= shost->can_queue)
printk printk
("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n", ("%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); ha->board_name, spp->cpp_index, irq, reg, ha->iocount);
if (spp->eoc == 0 || spp->cpp_index < 0 if (spp->eoc == 0 || spp->cpp_index < 0
|| spp->cpp_index >= sh[j]->can_queue) || spp->cpp_index >= shost->can_queue)
goto handled; goto handled;
/* Find the mailbox to be serviced on this board */ /* Find the mailbox to be serviced on this board */
i = spp->cpp_index; i = spp->cpp_index;
cpp = &(HD(j)->cp[i]); cpp = &(ha->cp[i]);
#if defined(DEBUG_GENERATE_ABORTS) #if defined(DEBUG_GENERATE_ABORTS)
if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 500) < 3)) if ((ha->iocount > 500) && ((ha->iocount % 500) < 3))
goto handled; goto handled;
#endif #endif
if (HD(j)->cp_stat[i] == IGNORE) { if (ha->cp_stat[i] == IGNORE) {
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
goto handled; goto handled;
} else if (HD(j)->cp_stat[i] == LOCKED) { } else if (ha->cp_stat[i] == LOCKED) {
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
printk("%s: ihdlr, mbox %d unlocked, count %d.\n", BN(j), i, printk("%s: ihdlr, mbox %d unlocked, count %d.\n", ha->board_name, i,
HD(j)->iocount); ha->iocount);
goto handled; goto handled;
} else if (HD(j)->cp_stat[i] == FREE) { } else if (ha->cp_stat[i] == FREE) {
printk("%s: ihdlr, mbox %d is free, count %d.\n", BN(j), i, printk("%s: ihdlr, mbox %d is free, count %d.\n", ha->board_name, i,
HD(j)->iocount); ha->iocount);
goto handled; goto handled;
} else if (HD(j)->cp_stat[i] == IN_RESET) } else if (ha->cp_stat[i] == IN_RESET)
printk("%s: ihdlr, mbox %d is in reset.\n", BN(j), i); printk("%s: ihdlr, mbox %d is in reset.\n", ha->board_name, i);
else if (HD(j)->cp_stat[i] != IN_USE) else if (ha->cp_stat[i] != IN_USE)
panic("%s: ihdlr, mbox %d, invalid cp_stat: %d.\n", panic("%s: ihdlr, mbox %d, invalid cp_stat: %d.\n",
BN(j), i, HD(j)->cp_stat[i]); ha->board_name, i, ha->cp_stat[i]);
HD(j)->cp_stat[i] = FREE; ha->cp_stat[i] = FREE;
SCpnt = cpp->SCpnt; SCpnt = cpp->SCpnt;
if (SCpnt == NULL) if (SCpnt == NULL)
panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", BN(j), i); panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", ha->board_name, i);
if (SCpnt->host_scribble == NULL) if (SCpnt->host_scribble == NULL)
panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j), panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", ha->board_name,
i, SCpnt->pid, SCpnt); i, SCpnt->pid, SCpnt);
if (*(unsigned int *)SCpnt->host_scribble != i) if (*(unsigned int *)SCpnt->host_scribble != i)
panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n", panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
BN(j), i, SCpnt->pid, ha->board_name, i, SCpnt->pid,
*(unsigned int *)SCpnt->host_scribble); *(unsigned int *)SCpnt->host_scribble);
sync_dma(i, j); sync_dma(i, ha);
if (linked_comm && SCpnt->device->queue_depth > 2 if (linked_comm && SCpnt->device->queue_depth > 2
&& TLDEV(SCpnt->device->type)) && TLDEV(SCpnt->device->type))
flush_dev(SCpnt->device, SCpnt->request->sector, j, 1); flush_dev(SCpnt->device, SCpnt->request->sector, ha, 1);
tstatus = status_byte(spp->target_status); tstatus = status_byte(spp->target_status);
#if defined(DEBUG_GENERATE_ERRORS) #if defined(DEBUG_GENERATE_ERRORS)
if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 200) < 2)) if ((ha->iocount > 500) && ((ha->iocount % 200) < 2))
spp->adapter_status = 0x01; spp->adapter_status = 0x01;
#endif #endif
...@@ -2457,7 +2452,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2457,7 +2452,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
/* If there was a bus reset, redo operation on each target */ /* If there was a bus reset, redo operation on each target */
else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK
&& HD(j)->target_redo[SCpnt->device->id][SCpnt-> && ha->target_redo[SCpnt->device->id][SCpnt->
device-> device->
channel]) channel])
status = DID_BUS_BUSY << 16; status = DID_BUS_BUSY << 16;
...@@ -2472,33 +2467,33 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2472,33 +2467,33 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
status = DID_OK << 16; status = DID_OK << 16;
if (tstatus == GOOD) if (tstatus == GOOD)
HD(j)->target_redo[SCpnt->device->id][SCpnt->device-> ha->target_redo[SCpnt->device->id][SCpnt->device->
channel] = 0; channel] = 0;
if (spp->target_status && SCpnt->device->type == TYPE_DISK && if (spp->target_status && SCpnt->device->type == TYPE_DISK &&
(!(tstatus == CHECK_CONDITION && HD(j)->iocount <= 1000 && (!(tstatus == CHECK_CONDITION && ha->iocount <= 1000 &&
(SCpnt->sense_buffer[2] & 0xf) == NOT_READY))) (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), "target_status 0x%x, sense key 0x%x.\n",
ha->board_name,
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, SCpnt->device->lun, SCpnt->pid,
spp->target_status, SCpnt->sense_buffer[2]); spp->target_status, SCpnt->sense_buffer[2]);
HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] = 0; ha->target_to[SCpnt->device->id][SCpnt->device->channel] = 0;
if (HD(j)->last_retried_pid == SCpnt->pid) if (ha->last_retried_pid == SCpnt->pid)
HD(j)->retries = 0; ha->retries = 0;
break; break;
case ASST: /* Selection Time Out */ case ASST: /* Selection Time Out */
case 0x02: /* Command Time Out */ case 0x02: /* Command Time Out */
if (HD(j)-> if (ha->target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
status = DID_ERROR << 16; status = DID_ERROR << 16;
else { else {
status = DID_TIME_OUT << 16; status = DID_TIME_OUT << 16;
HD(j)->target_to[SCpnt->device->id][SCpnt->device-> ha->target_to[SCpnt->device->id][SCpnt->device->
channel]++; channel]++;
} }
...@@ -2508,12 +2503,12 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2508,12 +2503,12 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
case 0x03: /* SCSI Bus Reset Received */ case 0x03: /* SCSI Bus Reset Received */
case 0x04: /* Initial Controller Power-up */ case 0x04: /* Initial Controller Power-up */
for (c = 0; c <= sh[j]->max_channel; c++) for (c = 0; c <= shost->max_channel; c++)
for (k = 0; k < sh[j]->max_id; k++) for (k = 0; k < shost->max_id; k++)
HD(j)->target_redo[k][c] = 1; ha->target_redo[k][c] = 1;
if (SCpnt->device->type != TYPE_TAPE if (SCpnt->device->type != TYPE_TAPE
&& HD(j)->retries < MAX_INTERNAL_RETRIES) { && ha->retries < MAX_INTERNAL_RETRIES) {
#if defined(DID_SOFT_ERROR) #if defined(DID_SOFT_ERROR)
status = DID_SOFT_ERROR << 16; status = DID_SOFT_ERROR << 16;
...@@ -2521,8 +2516,8 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2521,8 +2516,8 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
status = DID_BUS_BUSY << 16; status = DID_BUS_BUSY << 16;
#endif #endif
HD(j)->retries++; ha->retries++;
HD(j)->last_retried_pid = SCpnt->pid; ha->last_retried_pid = SCpnt->pid;
} else } else
status = DID_ERROR << 16; status = DID_ERROR << 16;
...@@ -2545,18 +2540,18 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2545,18 +2540,18 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
#if defined(DEBUG_INTERRUPT) #if defined(DEBUG_INTERRUPT)
if (SCpnt->result || do_trace) if (SCpnt->result || do_trace)
#else #else
if ((spp->adapter_status != ASOK && HD(j)->iocount > 1000) || if ((spp->adapter_status != ASOK && ha->iocount > 1000) ||
(spp->adapter_status != ASOK && (spp->adapter_status != ASOK &&
spp->adapter_status != ASST && HD(j)->iocount <= 1000) || spp->adapter_status != ASST && ha->iocount <= 1000) ||
do_trace || msg_byte(spp->target_status)) do_trace || msg_byte(spp->target_status))
#endif #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", " target %d.%d:%d, pid %ld, reg 0x%x, count %d.\n",
BN(j), i, spp->adapter_status, spp->target_status, ha->board_name, i, spp->adapter_status, spp->target_status,
SCpnt->device->channel, SCpnt->device->id, SCpnt->device->channel, SCpnt->device->id,
SCpnt->device->lun, SCpnt->pid, reg, HD(j)->iocount); SCpnt->device->lun, SCpnt->pid, reg, ha->iocount);
unmap_dma(i, j); unmap_dma(i, ha);
/* Set the command state to inactive */ /* Set the command state to inactive */
SCpnt->host_scribble = NULL; SCpnt->host_scribble = NULL;
...@@ -2564,8 +2559,8 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2564,8 +2559,8 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
SCpnt->scsi_done(SCpnt); SCpnt->scsi_done(SCpnt);
if (do_trace) if (do_trace)
printk("%s: ihdlr, exit, irq %d, count %d.\n", BN(j), irq, printk("%s: ihdlr, exit, irq %d, count %d.\n", ha->board_name,
HD(j)->iocount); irq, ha->iocount);
handled: handled:
return IRQ_HANDLED; return IRQ_HANDLED;
...@@ -2576,6 +2571,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j) ...@@ -2576,6 +2571,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j)
static irqreturn_t do_interrupt_handler(int irq, void *shap, static irqreturn_t do_interrupt_handler(int irq, void *shap,
struct pt_regs *regs) struct pt_regs *regs)
{ {
struct Scsi_Host *shost;
unsigned int j; unsigned int j;
unsigned long spin_flags; unsigned long spin_flags;
irqreturn_t ret; irqreturn_t ret;
...@@ -2583,41 +2579,38 @@ static irqreturn_t do_interrupt_handler(int irq, void *shap, ...@@ -2583,41 +2579,38 @@ static irqreturn_t do_interrupt_handler(int irq, void *shap,
/* Check if the interrupt must be processed by this handler */ /* Check if the interrupt must be processed by this handler */
if ((j = (unsigned int)((char *)shap - sha)) >= num_boards) if ((j = (unsigned int)((char *)shap - sha)) >= num_boards)
return IRQ_NONE; return IRQ_NONE;
shost = sh[j];
spin_lock_irqsave(sh[j]->host_lock, spin_flags); spin_lock_irqsave(shost->host_lock, spin_flags);
ret = ihdlr(irq, j); ret = ihdlr(irq, shost);
spin_unlock_irqrestore(sh[j]->host_lock, spin_flags); spin_unlock_irqrestore(shost->host_lock, spin_flags);
return ret; return ret;
} }
static int eata2x_release(struct Scsi_Host *shpnt) static int eata2x_release(struct Scsi_Host *shost)
{ {
unsigned int i, j; struct hostdata *ha = (struct hostdata *)shost->hostdata;
unsigned int i;
for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++) ;
if (sh[j] == NULL)
panic("%s: release, invalid Scsi_Host pointer.\n", driver_name);
for (i = 0; i < sh[j]->can_queue; i++) for (i = 0; i < shost->can_queue; i++)
if ((&HD(j)->cp[i])->sglist) if ((&ha->cp[i])->sglist)
kfree((&HD(j)->cp[i])->sglist); kfree((&ha->cp[i])->sglist);
for (i = 0; i < sh[j]->can_queue; i++) for (i = 0; i < shost->can_queue; i++)
pci_unmap_single(HD(j)->pdev, HD(j)->cp[i].cp_dma_addr, pci_unmap_single(ha->pdev, ha->cp[i].cp_dma_addr,
sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL); sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
if (HD(j)->sp_cpu_addr) if (ha->sp_cpu_addr)
pci_free_consistent(HD(j)->pdev, sizeof(struct mssp), pci_free_consistent(ha->pdev, sizeof(struct mssp),
HD(j)->sp_cpu_addr, HD(j)->sp_dma_addr); ha->sp_cpu_addr, ha->sp_dma_addr);
free_irq(sh[j]->irq, &sha[j]); free_irq(shost->irq, &sha[ha->board_number]);
if (sh[j]->dma_channel != NO_DMA) if (shost->dma_channel != NO_DMA)
free_dma(sh[j]->dma_channel); free_dma(shost->dma_channel);
release_region(sh[j]->io_port, sh[j]->n_io_port); release_region(shost->io_port, shost->n_io_port);
scsi_unregister(sh[j]); scsi_unregister(shost);
return 0; return 0;
} }
......
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