diff options
Diffstat (limited to 'drivers/scsi/aic7xxx_old/aic7xxx_proc.c')
| -rw-r--r-- | drivers/scsi/aic7xxx_old/aic7xxx_proc.c | 221 |
1 files changed, 59 insertions, 162 deletions
diff --git a/drivers/scsi/aic7xxx_old/aic7xxx_proc.c b/drivers/scsi/aic7xxx_old/aic7xxx_proc.c index b07e4f04fd00..976f45ccf2cf 100644 --- a/drivers/scsi/aic7xxx_old/aic7xxx_proc.c +++ b/drivers/scsi/aic7xxx_old/aic7xxx_proc.c @@ -30,62 +30,23 @@ *-M*************************************************************************/ -#define BLS (&aic7xxx_buffer[size]) #define HDRB \ " 0 - 4K 4 - 16K 16 - 64K 64 - 256K 256K - 1M 1M+" -#ifdef PROC_DEBUG -extern int vsprintf(char *, const char *, va_list); - -static void -proc_debug(const char *fmt, ...) -{ - va_list ap; - char buf[256]; - - va_start(ap, fmt); - vsprintf(buf, fmt, ap); - printk(buf); - va_end(ap); -} -#else /* PROC_DEBUG */ -# define proc_debug(fmt, args...) -#endif /* PROC_DEBUG */ - -static int aic7xxx_buffer_size = 0; -static char *aic7xxx_buffer = NULL; - /*+F************************************************************************* * Function: - * aic7xxx_set_info - * - * Description: - * Set parameters for the driver from the /proc filesystem. - *-F*************************************************************************/ -static int -aic7xxx_set_info(char *buffer, int length, struct Scsi_Host *HBAptr) -{ - proc_debug("aic7xxx_set_info(): %s\n", buffer); - return (-ENOSYS); /* Currently this is a no-op */ -} - - -/*+F************************************************************************* - * Function: - * aic7xxx_proc_info + * aic7xxx_show_info * * Description: * Return information to handle /proc support for the driver. *-F*************************************************************************/ int -aic7xxx_proc_info ( struct Scsi_Host *HBAptr, char *buffer, char **start, off_t offset, int length, - int inout) +aic7xxx_show_info(struct seq_file *m, struct Scsi_Host *HBAptr) { struct aic7xxx_host *p; struct aic_dev_data *aic_dev; struct scsi_device *sdptr; - int size = 0; unsigned char i; unsigned char tindex; @@ -94,66 +55,21 @@ aic7xxx_proc_info ( struct Scsi_Host *HBAptr, char *buffer, char **start, off_t if (!p) { - size += sprintf(buffer, "Can't find adapter for host number %d\n", HBAptr->host_no); - if (size > length) - { - return (size); - } - else - { - return (length); - } - } - - if (inout == TRUE) /* Has data been written to the file? */ - { - return (aic7xxx_set_info(buffer, length, HBAptr)); + seq_printf(m, "Can't find adapter for host number %d\n", HBAptr->host_no); + return 0; } p = (struct aic7xxx_host *) HBAptr->hostdata; - /* - * It takes roughly 1K of space to hold all relevant card info, not - * counting any proc stats, so we start out with a 1.5k buffer size and - * if proc_stats is defined, then we sweep the stats structure to see - * how many drives we will be printing out for and add 384 bytes per - * device with active stats. - * - * Hmmmm...that 1.5k seems to keep growing as items get added so they - * can be easily viewed for debugging purposes. So, we bumped that - * 1.5k to 4k so we can quit having to bump it all the time. - */ - - size = 4096; - list_for_each_entry(aic_dev, &p->aic_devs, list) - size += 512; - if (aic7xxx_buffer_size != size) - { - if (aic7xxx_buffer != NULL) - { - kfree(aic7xxx_buffer); - aic7xxx_buffer_size = 0; - } - aic7xxx_buffer = kmalloc(size, GFP_KERNEL); - } - if (aic7xxx_buffer == NULL) - { - size = sprintf(buffer, "AIC7xxx - kmalloc error at line %d\n", - __LINE__); - return size; - } - aic7xxx_buffer_size = size; - - size = 0; - size += sprintf(BLS, "Adaptec AIC7xxx driver version: "); - size += sprintf(BLS, "%s/", AIC7XXX_C_VERSION); - size += sprintf(BLS, "%s", AIC7XXX_H_VERSION); - size += sprintf(BLS, "\n"); - size += sprintf(BLS, "Adapter Configuration:\n"); - size += sprintf(BLS, " SCSI Adapter: %s\n", + seq_printf(m, "Adaptec AIC7xxx driver version: "); + seq_printf(m, "%s/", AIC7XXX_C_VERSION); + seq_printf(m, "%s", AIC7XXX_H_VERSION); + seq_printf(m, "\n"); + seq_printf(m, "Adapter Configuration:\n"); + seq_printf(m, " SCSI Adapter: %s\n", board_names[p->board_name_index]); if (p->flags & AHC_TWIN) - size += sprintf(BLS, " Twin Channel Controller "); + seq_printf(m, " Twin Channel Controller "); else { char *channel = ""; @@ -184,86 +100,86 @@ aic7xxx_proc_info ( struct Scsi_Host *HBAptr, char *buffer, char **start, off_t ultra = "Ultra-2 LVD/SE "; else if (p->features & AHC_ULTRA) ultra = "Ultra "; - size += sprintf(BLS, " %s%sController%s ", + seq_printf(m, " %s%sController%s ", ultra, wide, channel); } switch(p->chip & ~AHC_CHIPID_MASK) { case AHC_VL: - size += sprintf(BLS, "at VLB slot %d\n", p->pci_device_fn); + seq_printf(m, "at VLB slot %d\n", p->pci_device_fn); break; case AHC_EISA: - size += sprintf(BLS, "at EISA slot %d\n", p->pci_device_fn); + seq_printf(m, "at EISA slot %d\n", p->pci_device_fn); break; default: - size += sprintf(BLS, "at PCI %d/%d/%d\n", p->pci_bus, + seq_printf(m, "at PCI %d/%d/%d\n", p->pci_bus, PCI_SLOT(p->pci_device_fn), PCI_FUNC(p->pci_device_fn)); break; } if( !(p->maddr) ) { - size += sprintf(BLS, " Programmed I/O Base: %lx\n", p->base); + seq_printf(m, " Programmed I/O Base: %lx\n", p->base); } else { - size += sprintf(BLS, " PCI MMAPed I/O Base: 0x%lx\n", p->mbase); + seq_printf(m, " PCI MMAPed I/O Base: 0x%lx\n", p->mbase); } if( (p->chip & (AHC_VL | AHC_EISA)) ) { - size += sprintf(BLS, " BIOS Memory Address: 0x%08x\n", p->bios_address); + seq_printf(m, " BIOS Memory Address: 0x%08x\n", p->bios_address); } - size += sprintf(BLS, " Adapter SEEPROM Config: %s\n", + seq_printf(m, " Adapter SEEPROM Config: %s\n", (p->flags & AHC_SEEPROM_FOUND) ? "SEEPROM found and used." : ((p->flags & AHC_USEDEFAULTS) ? "SEEPROM not found, using defaults." : "SEEPROM not found, using leftover BIOS values.") ); - size += sprintf(BLS, " Adaptec SCSI BIOS: %s\n", + seq_printf(m, " Adaptec SCSI BIOS: %s\n", (p->flags & AHC_BIOS_ENABLED) ? "Enabled" : "Disabled"); - size += sprintf(BLS, " IRQ: %d\n", HBAptr->irq); - size += sprintf(BLS, " SCBs: Active %d, Max Active %d,\n", + seq_printf(m, " IRQ: %d\n", HBAptr->irq); + seq_printf(m, " SCBs: Active %d, Max Active %d,\n", p->activescbs, p->max_activescbs); - size += sprintf(BLS, " Allocated %d, HW %d, " + seq_printf(m, " Allocated %d, HW %d, " "Page %d\n", p->scb_data->numscbs, p->scb_data->maxhscbs, p->scb_data->maxscbs); if (p->flags & AHC_EXTERNAL_SRAM) - size += sprintf(BLS, " Using External SCB SRAM\n"); - size += sprintf(BLS, " Interrupts: %ld", p->isr_count); + seq_printf(m, " Using External SCB SRAM\n"); + seq_printf(m, " Interrupts: %ld", p->isr_count); if (p->chip & AHC_EISA) { - size += sprintf(BLS, " %s\n", + seq_printf(m, " %s\n", (p->pause & IRQMS) ? "(Level Sensitive)" : "(Edge Triggered)"); } else { - size += sprintf(BLS, "\n"); + seq_printf(m, "\n"); } - size += sprintf(BLS, " BIOS Control Word: 0x%04x\n", + seq_printf(m, " BIOS Control Word: 0x%04x\n", p->bios_control); - size += sprintf(BLS, " Adapter Control Word: 0x%04x\n", + seq_printf(m, " Adapter Control Word: 0x%04x\n", p->adapter_control); - size += sprintf(BLS, " Extended Translation: %sabled\n", + seq_printf(m, " Extended Translation: %sabled\n", (p->flags & AHC_EXTEND_TRANS_A) ? "En" : "Dis"); - size += sprintf(BLS, "Disconnect Enable Flags: 0x%04x\n", p->discenable); + seq_printf(m, "Disconnect Enable Flags: 0x%04x\n", p->discenable); if (p->features & (AHC_ULTRA | AHC_ULTRA2)) { - size += sprintf(BLS, " Ultra Enable Flags: 0x%04x\n", p->ultraenb); + seq_printf(m, " Ultra Enable Flags: 0x%04x\n", p->ultraenb); } - size += sprintf(BLS, "Default Tag Queue Depth: %d\n", aic7xxx_default_queue_depth); - size += sprintf(BLS, " Tagged Queue By Device array for aic7xxx host " + seq_printf(m, "Default Tag Queue Depth: %d\n", aic7xxx_default_queue_depth); + seq_printf(m, " Tagged Queue By Device array for aic7xxx host " "instance %d:\n", p->instance); - size += sprintf(BLS, " {"); + seq_printf(m, " {"); for(i=0; i < (MAX_TARGETS - 1); i++) - size += sprintf(BLS, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]); - size += sprintf(BLS, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]); + seq_printf(m, "%d,",aic7xxx_tag_info[p->instance].tag_commands[i]); + seq_printf(m, "%d}\n",aic7xxx_tag_info[p->instance].tag_commands[i]); - size += sprintf(BLS, "\n"); - size += sprintf(BLS, "Statistics:\n\n"); + seq_printf(m, "\n"); + seq_printf(m, "Statistics:\n\n"); list_for_each_entry(aic_dev, &p->aic_devs, list) { sdptr = aic_dev->SDptr; tindex = sdptr->channel << 3 | sdptr->id; - size += sprintf(BLS, "(scsi%d:%d:%d:%d)\n", + seq_printf(m, "(scsi%d:%d:%d:%d)\n", p->host_no, sdptr->channel, sdptr->id, sdptr->lun); - size += sprintf(BLS, " Device using %s/%s", + seq_printf(m, " Device using %s/%s", (aic_dev->cur.width == MSG_EXT_WDTR_BUS_16_BIT) ? "Wide" : "Narrow", (aic_dev->cur.offset != 0) ? @@ -279,78 +195,59 @@ aic7xxx_proc_info ( struct Scsi_Host *HBAptr, char *buffer, char **start, off_t sync_rate = aic7xxx_find_syncrate(p, &period, 0, &options); if (sync_rate != NULL) { - size += sprintf(BLS, "%s MByte/sec, offset %d\n", + seq_printf(m, "%s MByte/sec, offset %d\n", sync_rate->rate[rate], aic_dev->cur.offset ); } else { - size += sprintf(BLS, "3.3 MByte/sec, offset %d\n", + seq_printf(m, "3.3 MByte/sec, offset %d\n", aic_dev->cur.offset ); } } - size += sprintf(BLS, " Transinfo settings: "); - size += sprintf(BLS, "current(%d/%d/%d/%d), ", + seq_printf(m, " Transinfo settings: "); + seq_printf(m, "current(%d/%d/%d/%d), ", aic_dev->cur.period, aic_dev->cur.offset, aic_dev->cur.width, aic_dev->cur.options); - size += sprintf(BLS, "goal(%d/%d/%d/%d), ", + seq_printf(m, "goal(%d/%d/%d/%d), ", aic_dev->goal.period, aic_dev->goal.offset, aic_dev->goal.width, aic_dev->goal.options); - size += sprintf(BLS, "user(%d/%d/%d/%d)\n", + seq_printf(m, "user(%d/%d/%d/%d)\n", p->user[tindex].period, p->user[tindex].offset, p->user[tindex].width, p->user[tindex].options); if(sdptr->simple_tags) { - size += sprintf(BLS, " Tagged Command Queueing Enabled, Ordered Tags %s, Depth %d/%d\n", sdptr->ordered_tags ? "Enabled" : "Disabled", sdptr->queue_depth, aic_dev->max_q_depth); + seq_printf(m, " Tagged Command Queueing Enabled, Ordered Tags %s, Depth %d/%d\n", sdptr->ordered_tags ? "Enabled" : "Disabled", sdptr->queue_depth, aic_dev->max_q_depth); } if(aic_dev->barrier_total) - size += sprintf(BLS, " Total transfers %ld:\n (%ld/%ld/%ld/%ld reads/writes/REQ_BARRIER/Ordered Tags)\n", + seq_printf(m, " Total transfers %ld:\n (%ld/%ld/%ld/%ld reads/writes/REQ_BARRIER/Ordered Tags)\n", aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total, aic_dev->barrier_total, aic_dev->ordered_total); else - size += sprintf(BLS, " Total transfers %ld:\n (%ld/%ld reads/writes)\n", + seq_printf(m, " Total transfers %ld:\n (%ld/%ld reads/writes)\n", aic_dev->r_total+aic_dev->w_total, aic_dev->r_total, aic_dev->w_total); - size += sprintf(BLS, "%s\n", HDRB); - size += sprintf(BLS, " Reads:"); + seq_printf(m, "%s\n", HDRB); + seq_printf(m, " Reads:"); for (i = 0; i < ARRAY_SIZE(aic_dev->r_bins); i++) { - size += sprintf(BLS, " %10ld", aic_dev->r_bins[i]); + seq_printf(m, " %10ld", aic_dev->r_bins[i]); } - size += sprintf(BLS, "\n"); - size += sprintf(BLS, " Writes:"); + seq_printf(m, "\n"); + seq_printf(m, " Writes:"); for (i = 0; i < ARRAY_SIZE(aic_dev->w_bins); i++) { - size += sprintf(BLS, " %10ld", aic_dev->w_bins[i]); + seq_printf(m, " %10ld", aic_dev->w_bins[i]); } - size += sprintf(BLS, "\n"); - size += sprintf(BLS, "\n\n"); - } - if (size >= aic7xxx_buffer_size) - { - printk(KERN_WARNING "aic7xxx: Overflow in aic7xxx_proc.c\n"); - } - - if (offset > size - 1) - { - kfree(aic7xxx_buffer); - aic7xxx_buffer = NULL; - aic7xxx_buffer_size = length = 0; - *start = NULL; + seq_printf(m, "\n"); + seq_printf(m, "\n\n"); } - else - { - *start = buffer; - length = min_t(int, length, size - offset); - memcpy(buffer, &aic7xxx_buffer[offset], length); - } - - return (length); + return 0; } /* |