diff options
Diffstat (limited to 'drivers/scsi/u14-34f.c')
| -rw-r--r-- | drivers/scsi/u14-34f.c | 204 |
1 files changed, 98 insertions, 106 deletions
diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c index cfab8f19708..5a03bb3bcfe 100644 --- a/drivers/scsi/u14-34f.c +++ b/drivers/scsi/u14-34f.c @@ -282,7 +282,7 @@ * clustering is enabled. ENABLE_CLUSTERING provides a performance increase * up to 50% on sequential access. * - * Since the Scsi_Host_Template structure is shared among all 14F and 34F, + * Since the struct scsi_host_template structure is shared among all 14F and 34F, * the last setting of use_clustering is in effect for all of these boards. * * Here a sample configuration using two U14F boards: @@ -405,13 +405,11 @@ * the driver sets host->wish_block = TRUE for all ISA boards. */ -#include <linux/config.h> #include <linux/string.h> #include <linux/kernel.h> #include <linux/ioport.h> #include <linux/delay.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/byteorder.h> #include <linux/proc_fs.h> #include <linux/blkdev.h> @@ -421,6 +419,7 @@ #include <linux/init.h> #include <linux/ctype.h> #include <linux/spinlock.h> +#include <linux/slab.h> #include <asm/dma.h> #include <asm/irq.h> @@ -433,7 +432,7 @@ static int u14_34f_detect(struct scsi_host_template *); static int u14_34f_release(struct Scsi_Host *); -static int u14_34f_queuecommand(struct scsi_cmnd *, void (*done)(struct scsi_cmnd *)); +static int u14_34f_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); static int u14_34f_eh_abort(struct scsi_cmnd *); static int u14_34f_eh_host_reset(struct scsi_cmnd *); static int u14_34f_bios_param(struct scsi_device *, struct block_device *, @@ -451,7 +450,7 @@ static struct scsi_host_template driver_template = { .slave_configure = u14_34f_slave_configure, .this_id = 7, .unchecked_isa_dma = 1, - .use_clustering = ENABLE_CLUSTERING + .use_clustering = ENABLE_CLUSTERING, }; #if !defined(__BIG_ENDIAN_BITFIELD) && !defined(__LITTLE_ENDIAN_BITFIELD) @@ -635,7 +634,7 @@ static unsigned long io_port[] = { #define H2DEV(x) cpu_to_le32(x) #define DEV2H(x) le32_to_cpu(x) -static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *); +static irqreturn_t do_interrupt_handler(int, void *); static void flush_dev(struct scsi_device *, unsigned long, unsigned int, unsigned int); static int do_trace = FALSE; static int setup_done = FALSE; @@ -745,7 +744,8 @@ static int wait_on_busy(unsigned long iobase, unsigned int loop) { static int board_inquiry(unsigned int j) { struct mscp *cpp; dma_addr_t id_dma_addr; - unsigned int time, limit = 0; + unsigned int limit = 0; + unsigned long time; id_dma_addr = pci_map_single(HD(j)->pdev, HD(j)->board_id, sizeof(HD(j)->board_id), PCI_DMA_BIDIRECTIONAL); @@ -873,7 +873,7 @@ static int port_detect \ /* Board detected, allocate its IRQ */ if (request_irq(irq, do_interrupt_handler, - SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0), + (subversion == ESA) ? IRQF_SHARED : 0, driver_name, (void *) &sha[j])) { printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq); goto freelock; @@ -1070,7 +1070,7 @@ static int option_setup(char *str) { char *cur = str; int i = 1; - while (cur && isdigit(*cur) && i <= MAX_INT_PARAM) { + while (cur && isdigit(*cur) && i < MAX_INT_PARAM) { ints[i++] = simple_strtoul(cur, NULL, 0); if ((cur = strchr(cur, ',')) != NULL) cur++; @@ -1111,8 +1111,9 @@ static int u14_34f_detect(struct scsi_host_template *tpnt) { static void map_dma(unsigned int i, unsigned int j) { unsigned int data_len = 0; - unsigned int k, count, pci_dir; - struct scatterlist *sgpnt; + unsigned int k, pci_dir; + int count; + struct scatterlist *sg; struct mscp *cpp; struct scsi_cmnd *SCpnt; @@ -1121,37 +1122,32 @@ static void map_dma(unsigned int i, unsigned int j) { if (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; - - 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_buffer) - cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, - SCpnt->request_buffer, SCpnt->request_bufflen, pci_dir)); - - cpp->data_len = H2DEV(SCpnt->request_bufflen); - return; - } - - 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++) { - cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k])); - cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k])); - data_len += sgpnt[k].length; - } - - cpp->sg = TRUE; - cpp->use_sg = SCpnt->use_sg; - cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist, - SCpnt->use_sg * sizeof(struct sg_list), pci_dir)); - cpp->data_len = H2DEV(data_len); + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE)); + + cpp->sense_len = SCSI_SENSE_BUFFERSIZE; + + if (scsi_bufflen(SCpnt)) { + count = scsi_dma_map(SCpnt); + BUG_ON(count < 0); + + scsi_for_each_sg(SCpnt, sg, count, k) { + cpp->sglist[k].address = H2DEV(sg_dma_address(sg)); + cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg)); + data_len += sg->length; + } + + cpp->sg = TRUE; + cpp->use_sg = scsi_sg_count(SCpnt); + cpp->data_address = + H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist, + cpp->use_sg * sizeof(struct sg_list), + pci_dir)); + cpp->data_len = H2DEV(data_len); + + } else { + pci_dir = PCI_DMA_BIDIRECTIONAL; + cpp->data_len = H2DEV(scsi_bufflen(SCpnt)); + } } static void unmap_dma(unsigned int i, unsigned int j) { @@ -1166,8 +1162,7 @@ static void unmap_dma(unsigned int i, unsigned int j) { pci_unmap_single(HD(j)->pdev, DEV2H(cpp->sense_addr), 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); + scsi_dma_unmap(SCpnt); if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL; @@ -1188,9 +1183,9 @@ static void sync_dma(unsigned int i, unsigned int j) { pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr), 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 (scsi_sg_count(SCpnt)) + pci_dma_sync_sg_for_cpu(HD(j)->pdev, scsi_sglist(SCpnt), + scsi_sg_count(SCpnt), pci_dir); if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL; @@ -1223,7 +1218,7 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) { cpp->xdir = DTD_IN; return; } - else if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { + else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { cpp->xdir = DTD_OUT; return; } @@ -1252,7 +1247,7 @@ static void scsi_to_dev_dir(unsigned int i, unsigned int j) { } -static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { +static int u14_34f_queuecommand_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) { unsigned int i, j, k; struct mscp *cpp; @@ -1260,8 +1255,8 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs j = ((struct hostdata *) SCpnt->device->host->hostdata)->board_number; if (SCpnt->host_scribble) - panic("%s: qcomm, pid %ld, SCpnt %p already active.\n", - BN(j), SCpnt->pid, SCpnt); + panic("%s: qcomm, SCpnt %p already active.\n", + BN(j), SCpnt); /* i is the mailbox number, look for the first free mailbox starting from last_cp_used */ @@ -1290,9 +1285,9 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs cpp->cpp_index = i; 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.\n", BN(j), i, SCpnt->device->channel, SCpnt->device->id, - SCpnt->device->lun, SCpnt->pid); + SCpnt->device->lun); cpp->opcode = OP_SCSI; cpp->channel = SCpnt->device->channel; @@ -1311,7 +1306,7 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs if (linked_comm && SCpnt->device->queue_depth > 2 && TLDEV(SCpnt->device->type)) { HD(j)->cp_stat[i] = READY; - flush_dev(SCpnt->device, SCpnt->request->sector, j, FALSE); + flush_dev(SCpnt->device, blk_rq_pos(SCpnt->request), j, FALSE); return 0; } @@ -1319,7 +1314,7 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs unmap_dma(i, j); SCpnt->host_scribble = NULL; scmd_printk(KERN_INFO, SCpnt, - "qcomm, pid %ld, adapter busy.\n", SCpnt->pid); + "qcomm, adapter busy.\n"); return 1; } @@ -1333,20 +1328,20 @@ static int u14_34f_queuecommand(struct scsi_cmnd *SCpnt, void (*done)(struct scs return 0; } +static DEF_SCSI_QCMD(u14_34f_queuecommand) + static int u14_34f_eh_abort(struct scsi_cmnd *SCarg) { unsigned int i, j; j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number; if (SCarg->host_scribble == NULL) { - scmd_printk(KERN_INFO, SCarg, "abort, pid %ld inactive.\n", - SCarg->pid); + scmd_printk(KERN_INFO, SCarg, "abort, command inactive.\n"); return SUCCESS; } i = *(unsigned int *)SCarg->host_scribble; - scmd_printk(KERN_INFO, SCarg, "abort, mbox %d, pid %ld.\n", - i, SCarg->pid); + scmd_printk(KERN_INFO, SCarg, "abort, mbox %d.\n", i); if (i >= sh[j]->can_queue) panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j)); @@ -1389,8 +1384,7 @@ static int u14_34f_eh_abort(struct scsi_cmnd *SCarg) { SCarg->result = DID_ABORT << 16; SCarg->host_scribble = NULL; HD(j)->cp_stat[i] = FREE; - printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n", - BN(j), i, SCarg->pid); + printk("%s, abort, mbox %d ready, DID_ABORT, done.\n", BN(j), i); SCarg->scsi_done(SCarg); return SUCCESS; } @@ -1399,17 +1393,18 @@ static int u14_34f_eh_abort(struct scsi_cmnd *SCarg) { } static int u14_34f_eh_host_reset(struct scsi_cmnd *SCarg) { - unsigned int i, j, time, k, c, limit = 0; + unsigned int i, j, k, c, limit = 0; + unsigned long time; int arg_done = FALSE; struct scsi_cmnd *SCpnt; j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number; - scmd_printk(KERN_INFO, SCarg, "reset, enter, pid %ld.\n", SCarg->pid); + scmd_printk(KERN_INFO, SCarg, "reset, enter.\n"); spin_lock_irq(sh[j]->host_lock); if (SCarg->host_scribble == NULL) - printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid); + printk("%s: reset, inactive.\n", BN(j)); if (HD(j)->in_reset) { printk("%s: reset, exit, already in reset.\n", BN(j)); @@ -1446,14 +1441,12 @@ static int u14_34f_eh_host_reset(struct scsi_cmnd *SCarg) { if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) { HD(j)->cp_stat[i] = ABORTING; - printk("%s: reset, mbox %d aborting, pid %ld.\n", - BN(j), i, SCpnt->pid); + printk("%s: reset, mbox %d aborting.\n", BN(j), i); } else { HD(j)->cp_stat[i] = IN_RESET; - printk("%s: reset, mbox %d in reset, pid %ld.\n", - BN(j), i, SCpnt->pid); + printk("%s: reset, mbox %d in reset.\n", BN(j), i); } if (SCpnt->host_scribble == NULL) @@ -1501,8 +1494,7 @@ static int u14_34f_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", - BN(j), i, SCpnt->pid); + printk("%s, reset, mbox %d locked, DID_RESET, done.\n", BN(j), i); } else if (HD(j)->cp_stat[i] == ABORTING) { @@ -1514,8 +1506,7 @@ static int u14_34f_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", - BN(j), i, SCpnt->pid); + printk("%s, reset, mbox %d aborting, DID_RESET, done.\n", BN(j), i); } else @@ -1529,7 +1520,7 @@ static int u14_34f_eh_host_reset(struct scsi_cmnd *SCarg) { HD(j)->in_reset = FALSE; do_trace = FALSE; - if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid); + if (arg_done) printk("%s: reset, exit, done.\n", BN(j)); else printk("%s: reset, exit.\n", BN(j)); spin_unlock_irq(sh[j]->host_lock); @@ -1614,11 +1605,13 @@ static int reorder(unsigned int j, unsigned long cursec, if (!(cpp->xdir == DTD_IN)) input_only = FALSE; - if (SCpnt->request->sector < minsec) minsec = SCpnt->request->sector; - if (SCpnt->request->sector > maxsec) maxsec = SCpnt->request->sector; + if (blk_rq_pos(SCpnt->request) < minsec) + minsec = blk_rq_pos(SCpnt->request); + if (blk_rq_pos(SCpnt->request) > maxsec) + maxsec = blk_rq_pos(SCpnt->request); - sl[n] = SCpnt->request->sector; - ioseek += SCpnt->request->nr_sectors; + sl[n] = blk_rq_pos(SCpnt->request); + ioseek += blk_rq_sectors(SCpnt->request); if (!n) continue; @@ -1646,7 +1639,7 @@ static int reorder(unsigned int j, unsigned long cursec, 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; + ll[n] = blk_rq_sectors(SCpnt->request); pl[n] = SCpnt->serial_number; if (!n) continue; @@ -1670,12 +1663,12 @@ static int reorder(unsigned int j, unsigned long cursec, 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"\ + printk("%s %d.%d:%d mb %d fc %d nr %d sec %ld ns %u"\ " cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n", (ihdlr ? "ihdlr" : "qcomm"), SCpnt->channel, SCpnt->target, - SCpnt->lun, SCpnt->pid, k, flushcount, n_ready, - SCpnt->request->sector, SCpnt->request->nr_sectors, cursec, - YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only), + SCpnt->lun, k, flushcount, n_ready, + blk_rq_pos(SCpnt->request), blk_rq_sectors(SCpnt->request), + cursec, YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only), YESNO(overlap), cpp->xdir); } #endif @@ -1708,9 +1701,9 @@ static void flush_dev(struct scsi_device *dev, unsigned long cursec, unsigned in if (wait_on_busy(sh[j]->io_port, MAXLOOP)) { scmd_printk(KERN_INFO, SCpnt, - "%s, pid %ld, mbox %d, adapter" + "%s, mbox %d, adapter" " busy, will abort.\n", (ihdlr ? "ihdlr" : "qcomm"), - SCpnt->pid, k); + k); HD(j)->cp_stat[k] = ABORTING; continue; } @@ -1722,13 +1715,12 @@ 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(unsigned int j) +{ struct scsi_cmnd *SCpnt; unsigned int i, k, c, status, tstatus, reg, ret; struct mscp *spp, *cpp; - - if (sh[j]->irq != irq) - panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq, sh[j]->irq); + int irq = sh[j]->irq; /* Check if this board need to be serviced */ if (!((reg = inb(sh[j]->io_port + REG_SYS_INTR)) & IRQ_ASSERTED)) goto none; @@ -1793,18 +1785,18 @@ static irqreturn_t ihdlr(int irq, unsigned int j) { 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, SCpnt %p garbled.\n", BN(j), i, + 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); + panic("%s: ihdlr, mbox %d, index mismatch %d.\n", + BN(j), i, *(unsigned int *)SCpnt->host_scribble); sync_dma(i, j); if (linked_comm && SCpnt->device->queue_depth > 2 && TLDEV(SCpnt->device->type)) - flush_dev(SCpnt->device, SCpnt->request->sector, j, TRUE); + flush_dev(SCpnt->device, blk_rq_pos(SCpnt->request), j, TRUE); tstatus = status_byte(spp->target_status); @@ -1841,13 +1833,13 @@ static irqreturn_t ihdlr(int irq, unsigned int j) { (!(tstatus == CHECK_CONDITION && HD(j)->iocount <= 1000 && (SCpnt->sense_buffer[2] & 0xf) == NOT_READY))) scmd_printk(KERN_INFO, SCpnt, - "ihdlr, pid %ld, target_status 0x%x, sense key 0x%x.\n", - SCpnt->pid, spp->target_status, + "ihdlr, target_status 0x%x, sense key 0x%x.\n", + spp->target_status, SCpnt->sense_buffer[2]); HD(j)->target_to[scmd_id(SCpnt)][scmd_channel(SCpnt)] = 0; - if (HD(j)->last_retried_pid == SCpnt->pid) HD(j)->retries = 0; + if (HD(j)->last_retried_pid == SCpnt->serial_number) HD(j)->retries = 0; break; case ASST: /* Selection Time Out */ @@ -1884,7 +1876,7 @@ static irqreturn_t ihdlr(int irq, unsigned int j) { #endif HD(j)->retries++; - HD(j)->last_retried_pid = SCpnt->pid; + HD(j)->last_retried_pid = SCpnt->serial_number; } else status = DID_ERROR << 16; @@ -1913,8 +1905,8 @@ static irqreturn_t ihdlr(int irq, unsigned int j) { do_trace || msg_byte(spp->target_status)) #endif scmd_printk(KERN_INFO, SCpnt, "ihdlr, mbox %2d, err 0x%x:%x,"\ - " pid %ld, reg 0x%x, count %d.\n", - i, spp->adapter_status, spp->target_status, SCpnt->pid, + " reg 0x%x, count %d.\n", + i, spp->adapter_status, spp->target_status, reg, HD(j)->iocount); unmap_dma(i, j); @@ -1933,8 +1925,7 @@ none: return IRQ_NONE; } -static irqreturn_t do_interrupt_handler(int irq, void *shap, - struct pt_regs *regs) { +static irqreturn_t do_interrupt_handler(int irq, void *shap) { unsigned int j; unsigned long spin_flags; irqreturn_t ret; @@ -1943,7 +1934,7 @@ static irqreturn_t do_interrupt_handler(int irq, void *shap, 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); + ret = ihdlr(j); spin_unlock_irqrestore(sh[j]->host_lock, spin_flags); return ret; } @@ -1953,11 +1944,11 @@ static int u14_34f_release(struct Scsi_Host *shpnt) { 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); + 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, @@ -1965,7 +1956,8 @@ static int u14_34f_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]); |
