diff options
| -rw-r--r-- | drivers/scsi/gdth.c | 285 |
1 files changed, 159 insertions, 126 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index add2ebbc2939..05108ea1d833 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -444,12 +444,10 @@ static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp); static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive); -static int gdth_search_eisa(ushort eisa_adr); static int gdth_search_pci(gdth_pci_str *pcistr); static void gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, ushort vendor, ushort dev); static void gdth_sort_pci(gdth_pci_str *pcistr, int cnt); -static int gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha); static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha); static void gdth_enable_int(int hanum); @@ -477,6 +475,9 @@ 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 DEBUG_GDTH static unchar DebugState = DEBUG_GDTH; @@ -588,8 +589,9 @@ static struct timer_list gdth_timer; #ifdef CONFIG_ISA static unchar gdth_drq_tab[4] = {5,6,7,7}; /* DRQ table */ #endif - +#ifdef CONFIG_EISA static unchar gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */ +#endif static unchar gdth_polling; /* polling if TRUE */ static unchar gdth_from_wait = FALSE; /* gdth_wait() */ static int wait_index,wait_hanum; /* gdth_wait() */ @@ -824,7 +826,7 @@ static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs } /* controller search and initialization functions */ - +#ifdef CONFIG_EISA static int __init gdth_search_eisa(ushort eisa_adr) { ulong32 id; @@ -841,6 +843,7 @@ static int __init gdth_search_eisa(ushort eisa_adr) return 0; } +#endif /* CONFIG_EISA */ #ifdef CONFIG_ISA static int __init gdth_search_isa(ulong32 bios_adr) @@ -975,7 +978,7 @@ static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt) } while (changed); } - +#ifdef CONFIG_EISA static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) { ulong32 retries,id; @@ -1067,6 +1070,7 @@ static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) ha->dma64_support = 0; return 1; } +#endif /* CONFIG_EISA */ #ifdef CONFIG_ISA static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) @@ -4296,7 +4300,6 @@ static int __init gdth_detect(Scsi_Host_Template *shtp) struct Scsi_Host *shp; gdth_pci_str pcistr[MAXHA]; gdth_ha_str *ha; - ushort eisa_slot; int i,hanum,cnt,ctr,err; unchar b; @@ -4341,128 +4344,16 @@ static int __init gdth_detect(Scsi_Host_Template *shtp) gdth_isa_probe_one(shtp, isa_bios); } #endif - - for (eisa_slot=0x1000; eisa_slot<=0x8000; eisa_slot+=0x1000) { - dma_addr_t scratch_dma_handle; - scratch_dma_handle = 0; - - if (gdth_ctr_count >= MAXHA) +#ifdef CONFIG_EISA + { + ushort eisa_slot; + for (eisa_slot = 0x1000; eisa_slot <= 0x8000; eisa_slot += 0x1000) { + if (gdth_ctr_count >= MAXHA) break; - if (gdth_search_eisa(eisa_slot)) { /* controller found */ - shp = scsi_register(shtp,sizeof(gdth_ext_str)); - if (shp == NULL) - continue; - - ha = HADATA(shp); - if (!gdth_init_eisa(eisa_slot,ha)) { - scsi_unregister(shp); - continue; - } - /* controller found and initialized */ - printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n", - eisa_slot>>12,ha->irq); - - if (request_irq(ha->irq,gdth_interrupt,IRQF_DISABLED,"gdth",ha)) { - printk("GDT-EISA: Unable to allocate IRQ\n"); - scsi_unregister(shp); - continue; - } - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - hanum = gdth_ctr_count; - gdth_ctr_tab[gdth_ctr_count++] = shp; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum= 0; - TRACE2(("EISA detect Bus 0: hanum %d\n", - NUMDATA(shp)->hanum)); - - ha->pccb = CMDDATA(shp); - ha->ccb_phys = 0L; - - ha->pdev = NULL; - ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, - &scratch_dma_handle); - ha->scratch_phys = scratch_dma_handle; - ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), - &scratch_dma_handle); - ha->msg_phys = scratch_dma_handle; -#ifdef INT_COAL - ha->coal_stat = (gdth_coal_status *) - pci_alloc_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, &scratch_dma_handle); - ha->coal_stat_phys = scratch_dma_handle; -#endif - ha->ccb_phys = - pci_map_single(ha->pdev,ha->pccb, - sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); - ha->scratch_busy = FALSE; - ha->req_first = NULL; - ha->tid_cnt = MAX_HDRIVES; - if (max_ids > 0 && max_ids < ha->tid_cnt) - ha->tid_cnt = max_ids; - for (i=0; i<GDTH_MAXCMDS; ++i) - ha->cmd_tab[i].cmnd = UNUSED_CMND; - ha->scan_mode = rescan ? 0x10 : 0; - - if (ha->pscratch == NULL || ha->pmsg == NULL || - !gdth_search_drives(hanum)) { - printk("GDT-EISA: Error during device scan\n"); - --gdth_ctr_count; - --gdth_ctr_vcount; -#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); - free_irq(ha->irq,ha); - scsi_unregister(shp); - continue; - } - if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) - hdr_channel = ha->bus_cnt; - ha->virt_bus = hdr_channel; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && \ - LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - shp->highmem_io = 0; -#endif - if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) - shp->max_cmd_len = 16; - - shp->max_id = ha->tid_cnt; - shp->max_lun = MAXLUN; - shp->max_channel = virt_ctr ? 0 : ha->bus_cnt; - if (virt_ctr) { - virt_ctr = 1; - /* register addit. SCSI channels as virtual controllers */ - for (b = 1; b < ha->bus_cnt + 1; ++b) { - shp = scsi_register(shtp,sizeof(gdth_num_str)); - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum = b; - } - } - - spin_lock_init(&ha->smp_lock); - gdth_enable_int(hanum); - } + gdth_eisa_probe_one(shtp, eisa_slot); } + } +#endif } /* scanning for PCI controllers */ @@ -5701,6 +5592,148 @@ static int gdth_isa_probe_one(struct scsi_host_template *shtp, ulong32 isa_bios) } #endif /* CONFIG_ISA */ +#ifdef CONFIG_EISA +static int gdth_eisa_probe_one(struct scsi_host_template *shtp, + ushort eisa_slot) +{ + struct Scsi_Host *shp; + gdth_ha_str *ha; + dma_addr_t scratch_dma_handle = 0; + int error, hanum, i; + u8 b; + + if (!gdth_search_eisa(eisa_slot)) + return -ENXIO; + + shp = scsi_register(shtp,sizeof(gdth_ext_str)); + if (!shp) + return -ENOMEM; + ha = HADATA(shp); + + error = -ENODEV; + if (!gdth_init_eisa(eisa_slot,ha)) + goto out_host_put; + + /* controller found and initialized */ + printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n", + eisa_slot >> 12, ha->irq); + + error = request_irq(ha->irq, gdth_interrupt, IRQF_DISABLED, "gdth", ha); + if (error) { + printk("GDT-EISA: Unable to allocate IRQ\n"); + goto out_host_put; + } + + shp->unchecked_isa_dma = 0; + shp->irq = ha->irq; + shp->dma_channel = 0xff; + hanum = gdth_ctr_count; + gdth_ctr_tab[gdth_ctr_count++] = shp; + gdth_ctr_vtab[gdth_ctr_vcount++] = shp; + + NUMDATA(shp)->hanum = (ushort)hanum; + NUMDATA(shp)->busnum= 0; + TRACE2(("EISA detect Bus 0: hanum %d\n", + NUMDATA(shp)->hanum)); + + ha->pccb = CMDDATA(shp); + ha->ccb_phys = 0L; + + error = -ENOMEM; + + ha->pdev = NULL; + ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, + &scratch_dma_handle); + if (!ha->pscratch) + goto out_free_irq; + ha->scratch_phys = scratch_dma_handle; + + ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), + &scratch_dma_handle); + if (!ha->pmsg) + goto out_free_pscratch; + ha->msg_phys = scratch_dma_handle; + +#ifdef INT_COAL + ha->coal_stat = pci_alloc_consistent(ha->pdev, + sizeof(gdth_coal_status) * MAXOFFSETS, + &scratch_dma_handle); + if (!ha->coal_stat) + goto out_free_pmsg; + ha->coal_stat_phys = scratch_dma_handle; +#endif + + ha->ccb_phys = pci_map_single(ha->pdev,ha->pccb, + sizeof(gdth_cmd_str), PCI_DMA_BIDIRECTIONAL); + if (!ha->ccb_phys) + goto out_free_coal_stat; + + ha->scratch_busy = FALSE; + ha->req_first = NULL; + ha->tid_cnt = MAX_HDRIVES; + if (max_ids > 0 && max_ids < ha->tid_cnt) + ha->tid_cnt = max_ids; + for (i = 0; i < GDTH_MAXCMDS; ++i) + ha->cmd_tab[i].cmnd = UNUSED_CMND; + ha->scan_mode = rescan ? 0x10 : 0; + + if (!gdth_search_drives(hanum)) { + printk("GDT-EISA: Error during device scan\n"); + error = -ENODEV; + goto out_free_ccb_phys; + } + + if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) + hdr_channel = ha->bus_cnt; + ha->virt_bus = hdr_channel; + + if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) + shp->max_cmd_len = 16; + + shp->max_id = ha->tid_cnt; + shp->max_lun = MAXLUN; + shp->max_channel = virt_ctr ? 0 : ha->bus_cnt; + if (virt_ctr) { + virt_ctr = 1; + /* register addit. SCSI channels as virtual controllers */ + for (b = 1; b < ha->bus_cnt + 1; ++b) { + shp = scsi_register(shtp,sizeof(gdth_num_str)); + shp->unchecked_isa_dma = 0; + shp->irq = ha->irq; + shp->dma_channel = 0xff; + gdth_ctr_vtab[gdth_ctr_vcount++] = shp; + NUMDATA(shp)->hanum = (ushort)hanum; + NUMDATA(shp)->busnum = b; + } + } + + spin_lock_init(&ha->smp_lock); + gdth_enable_int(hanum); + return 0; + + out_free_ccb_phys: + pci_unmap_single(ha->pdev,ha->ccb_phys, sizeof(gdth_cmd_str), + PCI_DMA_BIDIRECTIONAL); + out_free_coal_stat: +#ifdef INT_COAL + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * MAXOFFSETS, + ha->coal_stat, ha->coal_stat_phys); + out_free_pmsg: +#endif + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + out_free_pscratch: + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + out_free_irq: + free_irq(ha->irq, ha); + gdth_ctr_count--; + gdth_ctr_vcount--; + out_host_put: + scsi_unregister(shp); + return error; +} +#endif /* CONFIG_EISA */ #include "scsi_module.c" #ifndef MODULE |