#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 *type)
+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;
DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n",
baddr, __va(agpmem->memory->memory[offset]), offset,
- atomic_read(&page->count));
+ page_count(page));
- if (type)
- *type = VM_FAULT_MINOR;
return page;
}
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 *type)
+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;
if (!page)
return NOPAGE_OOM;
get_page(page);
- if (type)
- *type = VM_FAULT_MINOR;
DRM_DEBUG("shm_nopage 0x%lx\n", address);
return page;
*
* \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 *type)
+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;
(offset & (~PAGE_MASK))));
get_page(page);
- if (type)
- *type = VM_FAULT_MINOR;
DRM_DEBUG("dma_nopage 0x%lx (page %lu)\n", address, page_nr);
return page;
*
* \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 *type)
+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;
page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT);
page = entry->pagelist[page_offset];
get_page(page);
- if (type)
- *type = VM_FAULT_MINOR;
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.
*
git://git.onelab.eu / linux-2.6.git / blobdiff