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path: root/linux-core/drm_vm.c
AgeCommit message (Expand)Author
2007-01-08drm: remove drm_follow_page, and drm_ioremap and ioremapfreeChristoph Hellwig
2007-01-01make build against 2.6.20 hopefullyDave Airlie
2006-12-27Proper allocation of AGP pages for ttms.Thomas Hellstrom
2006-12-19Security fix. Zero pages before they are handed to user space.Thomas Hellstrom
2006-12-19drm: remove all 2.4 support for drm development tree.Dave Airlie
2006-12-19[SPARC]: Respect vm_page_prot in io_remap_page_range().Dave Airlie
2006-12-19[PATCH] mm: incorrect VM_FAULT_OOM returns from driversDave Airlie
2006-10-30Bugzilla Bug #8819Thomas Hellstrom
2006-10-20Bug #8707, 2.6.19-rc compatibility for memory manager code.Thomas Hellstrom
2006-10-18Merging drm-ttm-0-2-branchThomas Hellstrom
2006-10-17Add vma list memory usage to memory accounting.Thomas Hellstrom
2006-10-17Add memory usage accounting to avoid DOS problems.Thomas Hellstrom
2006-10-11Compatibility code for 2.6.15-2.6.18. It is ugly but a little comfort is thatThomas Hellstrom
2006-10-11Big update:Thomas Hellstrom
2006-10-10Use a nopage-based approach to fault in pfns.Thomas Hellstrom
2006-10-02Bug 6242: [mach64] Use private DMA buffers, part #3.George Sapountzis
2006-10-02Allow for 44 bit user-tokens (or drm_file offsets)Thomas Hellstrom
2006-09-27Adapt to architecture-specific hooks for gatt pages.Thomas Hellstrom
2006-09-14Remove the use of reserved pages, and use locked pages instead.Thomas Hellstrom
2006-09-12More bugfixes.Thomas Hellstrom
2006-08-30Buffer object mapping and mapping synchronization for multiple clients.Thomas Hellstrom
2006-08-28Merge branch 'master' of git+ssh://git.freedesktop.org/git/mesa/drm into drm-...Thomas Hellstrom
2006-08-28drm: lots of small cleanups and whitespace issues fixed upDave Airlie
2006-08-25Module protection map access is moving into mainline kernels.Thomas Hellstrom
2006-08-25Checkpoint commitThomas Hellstrom
2006-08-22More ttm cleanups.Thomas Hellstrom
2006-08-22Bring in stripped TTM functionality.Thomas Hellstrom
2006-07-24switch drm to use Linux mutexes instead of semaphore.Dave Airlie
2006-07-11Keep hashed user tokens, with the following changes:Thomas Hellstrom
2006-07-10Change drm Map handles to be arbitrary 32-bit hash tokens in the rangeThomas Hellstrom
2006-02-18major realigment of DRM CVS with kernel code, makes integration much easierDave Airlie
2005-11-29Fix from Hugh Dickins for consistent mappingDave Airlie
2005-08-20remove checks that make ppc64 not work properly... also fix ppc64 check..Dave Airlie
2005-08-16add Egberts 32/64 bit patch (its in kernel already...)Dave Airlie
2005-06-04misc cleanup patch from Adrian BunkDave Airlie
2005-05-28Bugzilla #3217: Create a new __drm_pci_free which is used internally inEric Anholt
2005-04-26Convert BSD code to mostly use bus_dma, the dma abstraction for dealingEric Anholt
2005-03-27Some ia64 platforms may not support write combining on all type of memory,Dave Airlie
2005-01-12Use virt_to_page instead of vmalloc_to_page in drm_do_vm_shm_nopage forFelix Kuehling
2005-01-01Added a new DRM map type _DRM_CONSISTENT for consistent PCI memory. It usesFelix Kuehling
2004-10-23fix pfn vs page for older kernels (2.6.9-rc kernels many not work..)Dave Airlie
2004-10-22Bring in patch from kernel for remap_pfn_rangeJon Smirl
2004-10-18Update Doxygen configuration & comments.Jose Fonseca
2004-10-12Breakout heads into their own data structures.Jon Smirl
2004-10-10Rename fn_tbl to driver. Core driver now uses pci_driver name whichJon Smirl
2004-09-30Lindent of core build. Drivers checked for no binary diffs. A few filesJon Smirl
2004-09-30Make fops per driver instead of global, remove default flush, poll, readJon Smirl
2004-09-27First check in for DRM that splits core from personality modulesJon Smirl
2004-09-20Felix's fix for map request smaller than permanent map sizeJon Smirl
2004-09-05merge back bunch of whitespace and misc changes from kernelDave Airlie
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-06 12:22:13 +0000
S", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Sung-Ching Lin <sclin@sis.com.tw> * */ #if defined(__linux__) && defined(CONFIG_FB_SIS) #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) #include <video/sisfb.h> #else #include <linux/sisfb.h> #endif #endif #include "drmP.h" #include "sis_drm.h" #include "sis_drv.h" #include "sis_ds.h" #define MAX_CONTEXT 100 #define VIDEO_TYPE 0 #define AGP_TYPE 1 typedef struct { int used; int context; set_t *sets[2]; /* 0 for video, 1 for AGP */ } sis_context_t; static sis_context_t global_ppriv[MAX_CONTEXT]; static int add_alloc_set(int context, int type, unsigned int val) { int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setAdd(global_ppriv[i].sets[type], val); break; } } return retval; } static int del_alloc_set(int context, int type, unsigned int val) { int i, retval = 0; for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && global_ppriv[i].context == context) { retval = setDel(global_ppriv[i].sets[type], val); break; } } return retval; } /* fb management via fb device */ #if defined(__linux__) && defined(CONFIG_FB_SIS) static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { return 0; } static int sis_fb_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_mem_t *fb = data; struct sis_memreq req; int retval = 0; req.size = fb->size; sis_malloc(&req); if (req.offset) { /* TODO */ fb->offset = req.offset; fb->free = req.offset; if (!add_alloc_set(fb->context, VIDEO_TYPE, fb->free)) { DRM_DEBUG("adding to allocation set fails\n"); sis_free(req.offset); retval = -EINVAL; } } else { fb->offset = 0; fb->size = 0; fb->free = 0; } DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb->size, req.offset); return retval; } static int sis_fb_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_mem_t fb; int retval = 0; if (!fb->free) return -EINVAL; if (!del_alloc_set(fb->context, VIDEO_TYPE, fb->free)) retval = -EINVAL; sis_free(fb->free); DRM_DEBUG("free fb, offset = 0x%lx\n", fb->free); return retval; } #else /* Called by the X Server to initialize the FB heap. Allocations will fail * unless this is called. Offset is the beginning of the heap from the * framebuffer offset (MaxXFBMem in XFree86). * * Memory layout according to Thomas Winischofer: * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC| * * X driver/sisfb HW- Command- * framebuffer memory DRI heap Cursor queue */ static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_fb_t *fb = data; if (dev_priv == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } if (dev_priv->FBHeap != NULL) return -EINVAL; dev_priv->FBHeap = mmInit(fb->offset, fb->size); DRM_DEBUG("offset = %u, size = %u", fb->offset, fb->size); return 0; } static int sis_fb_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *fb = data; PMemBlock block; int retval = 0; if (dev_priv == NULL || dev_priv->FBHeap == NULL) return -EINVAL; block = mmAllocMem(dev_priv->FBHeap, fb->size, 0, 0); if (block) { /* TODO */ fb->offset = block->ofs; fb->free = (unsigned long)block; if (!add_alloc_set(fb->context, VIDEO_TYPE, fb->free)) { DRM_DEBUG("adding to allocation set fails\n"); mmFreeMem((PMemBlock) fb->free); retval = -EINVAL; } } else { fb->offset = 0; fb->size = 0; fb->free = 0; } DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb->size, fb->offset); return retval; } static int sis_fb_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *fb = data; if (dev_priv == NULL || dev_priv->FBHeap == NULL) return -EINVAL; if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock) fb->free)) return -EINVAL; if (!del_alloc_set(fb->context, VIDEO_TYPE, fb->free)) return -EINVAL; mmFreeMem((PMemBlock) fb->free); DRM_DEBUG("free fb, free = 0x%lx\n", fb->free); return 0; } #endif /* agp memory management */ static int sis_ioctl_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_agp_t *agp = data; if (dev_priv == NULL) { dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), DRM_MEM_DRIVER); dev_priv = dev->dev_private; if (dev_priv == NULL) return ENOMEM; } if (dev_priv->AGPHeap != NULL) return -EINVAL; dev_priv->AGPHeap = mmInit(agp->offset, agp->size); DRM_DEBUG("offset = %u, size = %u", agp->offset, agp->size); return 0; } static int sis_ioctl_agp_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *agp = data; PMemBlock block; int retval = 0; if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return -EINVAL; block = mmAllocMem(dev_priv->AGPHeap, agp->size, 0, 0); if (block) { /* TODO */ agp->offset = block->ofs; agp->free = (unsigned long)block; if (!add_alloc_set(agp->context, AGP_TYPE, agp->free)) { DRM_DEBUG("adding to allocation set fails\n"); mmFreeMem((PMemBlock) agp->free); retval = -1; } } else { agp->offset = 0; agp->size = 0; agp->free = 0; } DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp->size, agp->offset); return retval; } static int sis_ioctl_agp_free(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_sis_private_t *dev_priv = dev->dev_private; drm_sis_mem_t *agp = data; if (dev_priv == NULL || dev_priv->AGPHeap == NULL) return -EINVAL; if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp->free)) return -EINVAL; mmFreeMem((PMemBlock) agp->free); if (!del_alloc_set(agp->context, AGP_TYPE, agp->free)) return -EINVAL; DRM_DEBUG("free agp, free = 0x%lx\n", agp->free); return 0; } int sis_init_context(struct drm_device *dev, int context) { int i; for (i = 0; i < MAX_CONTEXT; i++) { if (global_ppriv[i].used && (global_ppriv[i].context == context)) break; } if (i >= MAX_CONTEXT) {