diff options
author | Michel Daenzer <michel@daenzer.net> | 2004-01-11 00:14:28 +0000 |
---|---|---|
committer | Michel Daenzer <michel@daenzer.net> | 2004-01-11 00:14:28 +0000 |
commit | 2b9c12ef83b8de5acba782918212f7fa250c9e45 (patch) | |
tree | 9621363bdb8edb5f79c2210fb179351962de158e /linux | |
parent | 0dea4de28873252221d40e3597997f6d0141171d (diff) |
Adapt to nopage() prototype change in Linux 2.6.1.
Reviewed by: Arjan van de Ven <arjanv@redhat.com>, additional feedback from
William Lee Irwin III and Linus Torvalds.
Diffstat (limited to 'linux')
-rw-r--r-- | linux/drmP.h | 29 | ||||
-rw-r--r-- | linux/drm_vm.h | 140 |
2 files changed, 114 insertions, 55 deletions
diff --git a/linux/drmP.h b/linux/drmP.h index 1fe9c72c..b7b346d4 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -309,6 +309,19 @@ static inline struct page * vmalloc_to_page(void * vmalloc_addr) DRM(ioremapfree)( (map)->handle, (map)->size, (dev) ); \ } while (0) +#ifndef VMAP_4_ARGS + +#define DRM_IOREMAPAGP(map, dev) \ + (map)->handle = DRM(ioremap_agp)( (map)->offset, (map)->size, (dev) ) + +#define DRM_IOREMAPAGPFREE(map) \ + do { \ + if ( (map)->handle && (map)->size ) \ + DRM(ioremap_agp_free)( (map)->handle, (map)->size ); \ + } while (0) + +#endif + /** * Find mapping. * @@ -806,18 +819,6 @@ extern int DRM(flush)(struct file *filp); extern int DRM(fasync)(int fd, struct file *filp, int on); /* Mapping support (drm_vm.h) */ -extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access); extern void DRM(vm_open)(struct vm_area_struct *vma); extern void DRM(vm_close)(struct vm_area_struct *vma); extern void DRM(vm_shm_close)(struct vm_area_struct *vma); @@ -845,6 +846,10 @@ extern void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, extern void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev); #if __REALLY_HAVE_AGP +#ifndef VMAP_4_ARGS +extern void *DRM(ioremap_agp)(unsigned long offset, unsigned long size, drm_device_t *dev); +extern void DRM(ioremap_agp_free)(void *pt, unsigned long size); +#endif extern DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type); extern int DRM(free_agp)(DRM_AGP_MEM *handle, int pages); extern int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start); diff --git a/linux/drm_vm.h b/linux/drm_vm.h index 8f4679f9..5b975986 100644 --- a/linux/drm_vm.h +++ b/linux/drm_vm.h @@ -36,48 +36,19 @@ #define __NO_VERSION__ #include "drmP.h" -/** AGP virtual memory operations */ -struct vm_operations_struct DRM(vm_ops) = { - .nopage = DRM(vm_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; - -/** Shared virtual memory operations */ -struct vm_operations_struct DRM(vm_shm_ops) = { - .nopage = DRM(vm_shm_nopage), - .open = DRM(vm_open), - .close = DRM(vm_shm_close), -}; - -/** DMA virtual memory operations */ -struct vm_operations_struct DRM(vm_dma_ops) = { - .nopage = DRM(vm_dma_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; - -/** Scatter-gather virtual memory operations */ -struct vm_operations_struct DRM(vm_sg_ops) = { - .nopage = DRM(vm_sg_nopage), - .open = DRM(vm_open), - .close = DRM(vm_close), -}; /** * \c nopage method for AGP virtual memory. * * \param vma virtual memory area. * \param address access address. - * \param write_access sharing. * \return pointer to the page structure. * * Find the right map and if it's AGP memory find the real physical page to * map, get the page, increment the use count and return it. */ -struct page *DRM(vm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access) +static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma, + unsigned long address) { #if __REALLY_HAVE_AGP drm_file_t *priv = vma->vm_file->private_data; @@ -147,15 +118,13 @@ vm_nopage_error: * * \param vma virtual memory area. * \param address access address. - * \param write_access sharing. * \return pointer to the page structure. * * Get the the mapping, find the real physical page to map, get the page, and * return it. */ -struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access) +static __inline__ struct page *DRM(do_vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address) { drm_map_t *map = (drm_map_t *)vma->vm_private_data; unsigned long offset; @@ -262,14 +231,12 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma) * * \param vma virtual memory area. * \param address access address. - * \param write_access sharing. * \return pointer to the page structure. * * Determine the page number from the page offset and get it from drm_device_dma::pagelist. */ -struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access) +static __inline__ struct page *DRM(do_vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; @@ -298,14 +265,12 @@ struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, * * \param vma virtual memory area. * \param address access address. - * \param write_access sharing. * \return pointer to the page structure. * * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. */ -struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, - unsigned long address, - int write_access) +static __inline__ struct page *DRM(do_vm_sg_nopage)(struct vm_area_struct *vma, + unsigned long address) { drm_map_t *map = (drm_map_t *)vma->vm_private_data; drm_file_t *priv = vma->vm_file->private_data; @@ -330,6 +295,95 @@ struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, return page; } + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) + +static struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return DRM(do_vm_nopage)(vma, address); +} + +static struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return DRM(do_vm_shm_nopage)(vma, address); +} + +static struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return DRM(do_vm_dma_nopage)(vma, address); +} + +static struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return DRM(do_vm_sg_nopage)(vma, address); +} + +#else /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */ + +static struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return DRM(do_vm_nopage)(vma, address); +} + +static struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return DRM(do_vm_shm_nopage)(vma, address); +} + +static struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return DRM(do_vm_dma_nopage)(vma, address); +} + +static struct page *DRM(vm_sg_nopage)(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return DRM(do_vm_sg_nopage)(vma, address); +} + +#endif + + +/** AGP virtual memory operations */ +static struct vm_operations_struct DRM(vm_ops) = { + .nopage = DRM(vm_nopage), + .open = DRM(vm_open), + .close = DRM(vm_close), +}; + +/** Shared virtual memory operations */ +static struct vm_operations_struct DRM(vm_shm_ops) = { + .nopage = DRM(vm_shm_nopage), + .open = DRM(vm_open), + .close = DRM(vm_shm_close), +}; + +/** DMA virtual memory operations */ +static struct vm_operations_struct DRM(vm_dma_ops) = { + .nopage = DRM(vm_dma_nopage), + .open = DRM(vm_open), + .close = DRM(vm_close), +}; + +/** Scatter-gather virtual memory operations */ +static struct vm_operations_struct DRM(vm_sg_ops) = { + .nopage = DRM(vm_sg_nopage), + .open = DRM(vm_open), + .close = DRM(vm_close), +}; + + /** * \c open method for shared virtual memory. * |