#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)
+#if __OS_HAS_AGP
+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_device_t *dev = priv->dev;
drm_map_t *map = NULL;
/*
* Find the right map
*/
+ if (!drm_core_has_AGP(dev))
+ goto vm_nopage_error;
if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error;
struct drm_agp_mem *agpmem;
struct page *page;
-#if __alpha__
+#ifdef __alpha__
/*
* Adjust to a bus-relative address
*/
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:
-#endif /* __REALLY_HAVE_AGP */
-
return NOPAGE_SIGBUS; /* Disallow mremap */
}
+#else /* __OS_HAS_AGP */
+static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma,
+ unsigned long address)
+{
+ return NOPAGE_SIGBUS;
+}
+#endif /* __OS_HAS_AGP */
/**
* \c nopage method for shared virtual memory.
*
* \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;
switch (map->type) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
-#if __REALLY_HAVE_MTRR
- if (map->mtrr >= 0) {
+ if (drm_core_has_MTRR(dev) && map->mtrr >= 0) {
int retcode;
retcode = mtrr_del(map->mtrr,
map->offset,
map->size);
DRM_DEBUG("mtrr_del = %d\n", retcode);
}
-#endif
DRM(ioremapfree)(map->handle, map->size, dev);
break;
case _DRM_SHM:
*
* \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.
*
return 0;
}
-#ifndef DRIVER_GET_MAP_OFS
-#define DRIVER_GET_MAP_OFS() (map->offset)
-#endif
+unsigned long DRM(core_get_map_ofs)(drm_map_t *map)
+{
+ return map->offset;
+}
-#ifndef DRIVER_GET_REG_OFS
+unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev)
+{
#ifdef __alpha__
-#define DRIVER_GET_REG_OFS() (dev->hose->dense_mem_base - \
- dev->hose->mem_space->start)
+ return dev->hose->dense_mem_base - dev->hose->mem_space->start;
#else
-#define DRIVER_GET_REG_OFS() 0
-#endif
+ return 0;
#endif
+}
/**
* mmap DMA memory.
* --BenH.
*/
if (!VM_OFFSET(vma)
-#if __REALLY_HAVE_AGP
+#if __OS_HAS_AGP
&& (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
#endif
)
r_list = list_entry(list, drm_map_list_t, head);
map = r_list->map;
if (!map) continue;
- off = DRIVER_GET_MAP_OFS();
+ off = dev->fn_tbl.get_map_ofs(map);
if (off == VM_OFFSET(vma)) break;
}
switch (map->type) {
case _DRM_AGP:
-#if __REALLY_HAVE_AGP
- if (dev->agp->cant_use_aperture) {
+ if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
/*
* On some platforms we can't talk to bus dma address from the CPU, so for
* memory of type DRM_AGP, we'll deal with sorting out the real physical
vma->vm_ops = &DRM(vm_ops);
break;
}
-#endif
/* fall through to _DRM_FRAME_BUFFER... */
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
if (map->type != _DRM_AGP)
vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
#endif
- offset = DRIVER_GET_REG_OFS();
+ offset = dev->fn_tbl.get_reg_ofs(dev);
#ifdef __sparc__
if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
VM_OFFSET(vma) + offset,
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