diff options
| -rw-r--r-- | drivers/scsi/gdth.c | 320 | ||||
| -rw-r--r-- | drivers/scsi/gdth.h | 1 |
2 files changed, 157 insertions, 164 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index ef67e664c9e6..11796e61a76b 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -119,6 +119,7 @@ #include <linux/time.h> #include <linux/timer.h> #include <linux/dma-mapping.h> +#include <linux/list.h> #ifdef GDTH_RTC #include <linux/mc146818rtc.h> @@ -184,15 +185,6 @@ static void gdth_flush(gdth_ha_str *ha); static int gdth_halt(struct notifier_block *nb, ulong event, void *buf); static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)); static void gdth_scsi_done(struct scsi_cmnd *scp); -#ifdef CONFIG_ISA -static int gdth_isa_probe_one(struct scsi_host_template *, ulong32); -#endif -#ifdef CONFIG_EISA -static int gdth_eisa_probe_one(struct scsi_host_template *, ushort); -#endif -#ifdef CONFIG_PCI -static int gdth_pci_probe_one(struct scsi_host_template *, gdth_pci_str *, int); -#endif #ifdef DEBUG_GDTH static unchar DebugState = DEBUG_GDTH; @@ -298,8 +290,8 @@ static unchar gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */ #endif static unchar gdth_polling; /* polling if TRUE */ static int gdth_ctr_count = 0; /* controller count */ -static int gdth_ctr_released = 0; /* gdth_release() */ static struct Scsi_Host *gdth_ctr_tab[MAXHA]; /* controller table */ +static LIST_HEAD(gdth_instances); static unchar gdth_write_through = FALSE; /* write through */ static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */ static int elastidx; @@ -3872,145 +3864,6 @@ int __init option_setup(char *str) return 1; } -static int __init gdth_detect(struct scsi_host_template *shtp) -{ -#ifdef DEBUG_GDTH - printk("GDT: This driver contains debugging information !! Trace level = %d\n", - DebugState); - printk(" Destination of debugging information: "); -#ifdef __SERIAL__ -#ifdef __COM2__ - printk("Serial port COM2\n"); -#else - printk("Serial port COM1\n"); -#endif -#else - printk("Console\n"); -#endif - gdth_delay(3000); -#endif - - TRACE(("gdth_detect()\n")); - - if (disable) { - printk("GDT-HA: Controller driver disabled from command line !\n"); - return 0; - } - - printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n",GDTH_VERSION_STR); - /* initializations */ - gdth_polling = TRUE; - gdth_clear_events(); - - /* As default we do not probe for EISA or ISA controllers */ - if (probe_eisa_isa) { - /* scanning for controllers, at first: ISA controller */ -#ifdef CONFIG_ISA - ulong32 isa_bios; - for (isa_bios = 0xc8000UL; isa_bios <= 0xd8000UL; - isa_bios += 0x8000UL) { - if (gdth_ctr_count >= MAXHA) - break; - gdth_isa_probe_one(shtp, isa_bios); - } -#endif -#ifdef CONFIG_EISA - { - ushort eisa_slot; - for (eisa_slot = 0x1000; eisa_slot <= 0x8000; eisa_slot += 0x1000) { - if (gdth_ctr_count >= MAXHA) - break; - gdth_eisa_probe_one(shtp, eisa_slot); - } - } -#endif - } - -#ifdef CONFIG_PCI - /* scanning for PCI controllers */ - { - gdth_pci_str pcistr[MAXHA]; - int cnt,ctr; - - cnt = gdth_search_pci(pcistr); - printk("GDT-HA: Found %d PCI Storage RAID Controllers\n",cnt); - gdth_sort_pci(pcistr,cnt); - for (ctr = 0; ctr < cnt; ++ctr) { - if (gdth_ctr_count >= MAXHA) - break; - gdth_pci_probe_one(shtp, pcistr, ctr); - } - } -#endif /* CONFIG_PCI */ - - TRACE2(("gdth_detect() %d controller detected\n",gdth_ctr_count)); - if (gdth_ctr_count > 0) { -#ifdef GDTH_STATISTICS - TRACE2(("gdth_detect(): Initializing timer !\n")); - init_timer(&gdth_timer); - gdth_timer.expires = jiffies + HZ; - gdth_timer.data = 0L; - gdth_timer.function = gdth_timeout; - add_timer(&gdth_timer); -#endif - major = register_chrdev(0,"gdth",&gdth_fops); - notifier_disabled = 0; - register_reboot_notifier(&gdth_notifier); - } - gdth_polling = FALSE; - return gdth_ctr_count; -} - -static int gdth_release(struct Scsi_Host *shp) -{ - gdth_ha_str *ha = shost_priv(shp); - - TRACE2(("gdth_release()\n")); - if (ha->sdev) { - scsi_free_host_dev(ha->sdev); - ha->sdev = NULL; - } - gdth_flush(ha); - - if (shp->irq) { - free_irq(shp->irq,ha); - } -#ifdef CONFIG_ISA - if (shp->dma_channel != 0xff) { - free_dma(shp->dma_channel); - } -#endif -#ifdef INT_COAL - if (ha->coal_stat) - pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, ha->coal_stat, ha->coal_stat_phys); -#endif - if (ha->pscratch) - pci_free_consistent(ha->pdev, GDTH_SCRATCH, - ha->pscratch, ha->scratch_phys); - if (ha->pmsg) - pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), - ha->pmsg, ha->msg_phys); - if (ha->ccb_phys) - pci_unmap_single(ha->pdev,ha->ccb_phys, - sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); - gdth_ctr_released++; - TRACE2(("gdth_release(): HA %d of %d\n", - gdth_ctr_released, gdth_ctr_count)); - - if (gdth_ctr_released == gdth_ctr_count) { -#ifdef GDTH_STATISTICS - del_timer(&gdth_timer); -#endif - unregister_chrdev(major,"gdth"); - unregister_reboot_notifier(&gdth_notifier); - } - - scsi_unregister(shp); - return 0; -} - - static const char *gdth_ctr_name(gdth_ha_str *ha) { TRACE2(("gdth_ctr_name()\n")); @@ -4819,10 +4672,8 @@ static int gdth_slave_configure(struct scsi_device *sdev) return 0; } -static struct scsi_host_template driver_template = { +static struct scsi_host_template gdth_template = { .name = "GDT SCSI Disk Array Controller", - .detect = gdth_detect, - .release = gdth_release, .info = gdth_info, .queuecommand = gdth_queuecommand, .eh_bus_reset_handler = gdth_eh_bus_reset, @@ -4839,7 +4690,7 @@ static struct scsi_host_template driver_template = { }; #ifdef CONFIG_ISA -static int gdth_isa_probe_one(struct scsi_host_template *shtp, ulong32 isa_bios) +static int gdth_isa_probe_one(ulong32 isa_bios) { struct Scsi_Host *shp; gdth_ha_str *ha; @@ -4849,7 +4700,7 @@ static int gdth_isa_probe_one(struct scsi_host_template *shtp, ulong32 isa_bios) if (!gdth_search_isa(isa_bios)) return -ENXIO; - shp = scsi_register(shtp, sizeof(gdth_ha_str)); + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); if (!shp) return -ENOMEM; ha = shost_priv(shp); @@ -4941,6 +4792,10 @@ static int gdth_isa_probe_one(struct scsi_host_template *shtp, ulong32 isa_bios) spin_lock_init(&ha->smp_lock); gdth_enable_int(ha); + error = scsi_add_host(shp, NULL); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); return 0; out_free_coal_stat: @@ -4959,14 +4814,13 @@ static int gdth_isa_probe_one(struct scsi_host_template *shtp, ulong32 isa_bios) out_free_irq: free_irq(ha->irq, ha); out_host_put: - scsi_unregister(shp); + scsi_host_put(shp); return error; } #endif /* CONFIG_ISA */ #ifdef CONFIG_EISA -static int gdth_eisa_probe_one(struct scsi_host_template *shtp, - ushort eisa_slot) +static int gdth_eisa_probe_one(ushort eisa_slot) { struct Scsi_Host *shp; gdth_ha_str *ha; @@ -4976,7 +4830,7 @@ static int gdth_eisa_probe_one(struct scsi_host_template *shtp, if (!gdth_search_eisa(eisa_slot)) return -ENXIO; - shp = scsi_register(shtp,sizeof(gdth_ha_str)); + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); if (!shp) return -ENOMEM; ha = shost_priv(shp); @@ -5066,6 +4920,11 @@ static int gdth_eisa_probe_one(struct scsi_host_template *shtp, spin_lock_init(&ha->smp_lock); gdth_enable_int(ha); + + error = scsi_add_host(shp, NULL); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); return 0; out_free_ccb_phys: @@ -5086,21 +4945,20 @@ static int gdth_eisa_probe_one(struct scsi_host_template *shtp, free_irq(ha->irq, ha); gdth_ctr_count--; out_host_put: - scsi_unregister(shp); + scsi_host_put(shp); return error; } #endif /* CONFIG_EISA */ #ifdef CONFIG_PCI -static int gdth_pci_probe_one(struct scsi_host_template *shtp, - gdth_pci_str *pcistr, int ctr) +static int gdth_pci_probe_one(gdth_pci_str *pcistr, int ctr) { struct Scsi_Host *shp; gdth_ha_str *ha; dma_addr_t scratch_dma_handle = 0; int error, hanum, i; - shp = scsi_register(shtp,sizeof(gdth_ha_str)); + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); if (!shp) return -ENOMEM; ha = shost_priv(shp); @@ -5201,6 +5059,11 @@ static int gdth_pci_probe_one(struct scsi_host_template *shtp, spin_lock_init(&ha->smp_lock); gdth_enable_int(ha); + + error = scsi_add_host(shp, &pcistr[ctr].pdev->dev); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); return 0; out_free_coal_stat: @@ -5218,12 +5081,141 @@ static int gdth_pci_probe_one(struct scsi_host_template *shtp, free_irq(ha->irq, ha); gdth_ctr_count--; out_host_put: - scsi_unregister(shp); + scsi_host_put(shp); return error; } #endif /* CONFIG_PCI */ -#include "scsi_module.c" +static void gdth_remove_one(gdth_ha_str *ha) +{ + struct Scsi_Host *shp = ha->shost; + + TRACE2(("gdth_remove_one()\n")); + + scsi_remove_host(shp); + + if (ha->sdev) { + scsi_free_host_dev(ha->sdev); + ha->sdev = NULL; + } + + gdth_flush(ha); + + if (shp->irq) + free_irq(shp->irq,ha); + +#ifdef CONFIG_ISA + if (shp->dma_channel != 0xff) + free_dma(shp->dma_channel); +#endif +#ifdef INT_COAL + if (ha->coal_stat) + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * + MAXOFFSETS, ha->coal_stat, ha->coal_stat_phys); +#endif + if (ha->pscratch) + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + if (ha->pmsg) + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + if (ha->ccb_phys) + pci_unmap_single(ha->pdev,ha->ccb_phys, + sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); + + scsi_host_put(shp); +} + +static int __init gdth_init(void) +{ + if (disable) { + printk("GDT-HA: Controller driver disabled from" + " command line !\n"); + return 0; + } + + printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n", + GDTH_VERSION_STR); + + /* initializations */ + gdth_polling = TRUE; + gdth_clear_events(); + + /* As default we do not probe for EISA or ISA controllers */ + if (probe_eisa_isa) { + /* scanning for controllers, at first: ISA controller */ +#ifdef CONFIG_ISA + ulong32 isa_bios; + for (isa_bios = 0xc8000UL; isa_bios <= 0xd8000UL; + isa_bios += 0x8000UL) { + if (gdth_ctr_count >= MAXHA) + break; + gdth_isa_probe_one(isa_bios); + } +#endif +#ifdef CONFIG_EISA + { + ushort eisa_slot; + for (eisa_slot = 0x1000; eisa_slot <= 0x8000; + eisa_slot += 0x1000) { + if (gdth_ctr_count >= MAXHA) + break; + gdth_eisa_probe_one(eisa_slot); + } + } +#endif + } + +#ifdef CONFIG_PCI + /* scanning for PCI controllers */ + { + gdth_pci_str pcistr[MAXHA]; + int cnt,ctr; + + cnt = gdth_search_pci(pcistr); + printk("GDT-HA: Found %d PCI Storage RAID Controllers\n", cnt); + gdth_sort_pci(pcistr,cnt); + for (ctr = 0; ctr < cnt; ++ctr) { + if (gdth_ctr_count >= MAXHA) + break; + gdth_pci_probe_one(pcistr, ctr); + } + } +#endif /* CONFIG_PCI */ + + TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count)); +#ifdef GDTH_STATISTICS + TRACE2(("gdth_detect(): Initializing timer !\n")); + init_timer(&gdth_timer); + gdth_timer.expires = jiffies + HZ; + gdth_timer.data = 0L; + gdth_timer.function = gdth_timeout; + add_timer(&gdth_timer); +#endif + major = register_chrdev(0,"gdth", &gdth_fops); + notifier_disabled = 0; + register_reboot_notifier(&gdth_notifier); + gdth_polling = FALSE; + return 0; +} + +static void __exit gdth_exit(void) +{ + gdth_ha_str *ha; + + list_for_each_entry(ha, &gdth_instances, list) + gdth_remove_one(ha); + +#ifdef GDTH_STATISTICS + del_timer(&gdth_timer); +#endif + unregister_chrdev(major,"gdth"); + unregister_reboot_notifier(&gdth_notifier); +} + +module_init(gdth_init); +module_exit(gdth_exit); + #ifndef MODULE __setup("gdth=", option_setup); #endif diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h index e8b9eb771d36..e6178c421855 100644 --- a/drivers/scsi/gdth.h +++ b/drivers/scsi/gdth.h @@ -854,6 +854,7 @@ typedef struct { /* controller information structure */ typedef struct { struct Scsi_Host *shost; + struct list_head list; ushort hanum; ushort oem_id; /* OEM */ ushort type; /* controller class */ |