diff options
Diffstat (limited to 'drivers/char/agp/alpha-agp.c')
| -rw-r--r-- | drivers/char/agp/alpha-agp.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c index a072d32005a..199b8e99f7d 100644 --- a/drivers/char/agp/alpha-agp.c +++ b/drivers/char/agp/alpha-agp.c @@ -11,28 +11,28 @@ #include "agp.h" -static struct page *alpha_core_agp_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int *type) +static int alpha_core_agp_vm_fault(struct vm_area_struct *vma, + struct vm_fault *vmf) { alpha_agp_info *agp = agp_bridge->dev_private_data; dma_addr_t dma_addr; unsigned long pa; struct page *page; - dma_addr = address - vma->vm_start + agp->aperture.bus_base; + dma_addr = (unsigned long)vmf->virtual_address - vma->vm_start + + agp->aperture.bus_base; pa = agp->ops->translate(agp, dma_addr); - if (pa == (unsigned long)-EINVAL) return NULL; /* no translation */ - + if (pa == (unsigned long)-EINVAL) + return VM_FAULT_SIGBUS; /* no translation */ + /* * Get the page, inc the use count, and return it */ page = virt_to_page(__va(pa)); get_page(page); - if (type) - *type = VM_FAULT_MINOR; - return page; + vmf->page = page; + return 0; } static struct aper_size_info_fixed alpha_core_agp_sizes[] = @@ -40,17 +40,11 @@ static struct aper_size_info_fixed alpha_core_agp_sizes[] = { 0, 0, 0 }, /* filled in by alpha_core_agp_setup */ }; -struct vm_operations_struct alpha_core_agp_vm_ops = { - .nopage = alpha_core_agp_vm_nopage, +static const struct vm_operations_struct alpha_core_agp_vm_ops = { + .fault = alpha_core_agp_vm_fault, }; -static int alpha_core_agp_nop(void) -{ - /* just return success */ - return 0; -} - static int alpha_core_agp_fetch_size(void) { return alpha_core_agp_sizes[0].size; @@ -86,19 +80,23 @@ static void alpha_core_agp_enable(struct agp_bridge_data *bridge, u32 mode) agp->mode.bits.enable = 1; agp->ops->configure(agp); - agp_device_command(agp->mode.lw, 0); + agp_device_command(agp->mode.lw, false); } -static int alpha_core_agp_insert_memory(struct agp_memory *mem, off_t pg_start, +static int alpha_core_agp_insert_memory(struct agp_memory *mem, off_t pg_start, int type) { alpha_agp_info *agp = agp_bridge->dev_private_data; int num_entries, status; void *temp; + if (type >= AGP_USER_TYPES || mem->type >= AGP_USER_TYPES) + return -EINVAL; + temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; - if ((pg_start + mem->page_count) > num_entries) return -EINVAL; + if ((pg_start + mem->page_count) > num_entries) + return -EINVAL; status = agp->ops->bind(agp, pg_start, mem); mb(); @@ -107,7 +105,7 @@ static int alpha_core_agp_insert_memory(struct agp_memory *mem, off_t pg_start, return status; } -static int alpha_core_agp_remove_memory(struct agp_memory *mem, off_t pg_start, +static int alpha_core_agp_remove_memory(struct agp_memory *mem, off_t pg_start, int type) { alpha_agp_info *agp = agp_bridge->dev_private_data; @@ -118,14 +116,19 @@ static int alpha_core_agp_remove_memory(struct agp_memory *mem, off_t pg_start, return status; } +static int alpha_core_agp_create_free_gatt_table(struct agp_bridge_data *a) +{ + return 0; +} + struct agp_bridge_driver alpha_core_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = alpha_core_agp_sizes, .num_aperture_sizes = 1, .size_type = FIXED_APER_SIZE, - .cant_use_aperture = 1, + .cant_use_aperture = true, .masks = NULL, - + .fetch_size = alpha_core_agp_fetch_size, .configure = alpha_core_agp_configure, .agp_enable = alpha_core_agp_enable, @@ -133,14 +136,17 @@ struct agp_bridge_driver alpha_core_agp_driver = { .tlb_flush = alpha_core_agp_tlbflush, .mask_memory = agp_generic_mask_memory, .cache_flush = global_cache_flush, - .create_gatt_table = alpha_core_agp_nop, - .free_gatt_table = alpha_core_agp_nop, + .create_gatt_table = alpha_core_agp_create_free_gatt_table, + .free_gatt_table = alpha_core_agp_create_free_gatt_table, .insert_memory = alpha_core_agp_insert_memory, .remove_memory = alpha_core_agp_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, .free_by_type = agp_generic_free_by_type, .agp_alloc_page = agp_generic_alloc_page, + .agp_alloc_pages = agp_generic_alloc_pages, .agp_destroy_page = agp_generic_destroy_page, + .agp_destroy_pages = agp_generic_destroy_pages, + .agp_type_to_mask_type = agp_generic_type_to_mask_type, }; struct agp_bridge_data *alpha_bridge; @@ -168,7 +174,7 @@ alpha_core_agp_setup(void) /* * Build a fake pci_dev struct */ - pdev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL); + pdev = pci_alloc_dev(NULL); if (!pdev) return -ENOMEM; pdev->vendor = 0xffff; |