From 2b9c12ef83b8de5acba782918212f7fa250c9e45 Mon Sep 17 00:00:00 2001 From: Michel Daenzer Date: Sun, 11 Jan 2004 00:14:28 +0000 Subject: Adapt to nopage() prototype change in Linux 2.6.1. Reviewed by: Arjan van de Ven , additional feedback from William Lee Irwin III and Linus Torvalds. --- linux/drm_vm.h | 140 +++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 97 insertions(+), 43 deletions(-) (limited to 'linux/drm_vm.h') 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. * -- cgit v1.2.3