diff options
author | Adam Jackson <ajax@theobromine.nwnk.net> | 2006-07-19 16:19:25 -0400 |
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committer | Adam Jackson <ajax@theobromine.nwnk.net> | 2006-07-19 16:19:25 -0400 |
commit | 6677e2a10b820a5ccfd375cc627b8e41453a71da (patch) | |
tree | 2f7f388e3450f644d84f2ef4c083314aeb57e886 /linux/drm_memory_debug.h | |
parent | af7b89d7246efbed7d05c38fcaa6a13c4b89db90 (diff) |
Delete the pre-core DRM code with extreme prejudice.
Diffstat (limited to 'linux/drm_memory_debug.h')
-rw-r--r-- | linux/drm_memory_debug.h | 459 |
1 files changed, 0 insertions, 459 deletions
diff --git a/linux/drm_memory_debug.h b/linux/drm_memory_debug.h deleted file mode 100644 index fb046965..00000000 --- a/linux/drm_memory_debug.h +++ /dev/null @@ -1,459 +0,0 @@ -/** - * \file drm_memory_debug.h - * Memory management wrappers for DRM. - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - * \author Gareth Hughes <gareth@valinux.com> - */ - -/* - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", 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 - * VA LINUX SYSTEMS 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. - */ - -#include <linux/config.h> -#include "drmP.h" - -typedef struct drm_mem_stats { - const char *name; - int succeed_count; - int free_count; - int fail_count; - unsigned long bytes_allocated; - unsigned long bytes_freed; -} drm_mem_stats_t; - -static spinlock_t DRM(mem_lock) = SPIN_LOCK_UNLOCKED; -static unsigned long DRM(ram_available) = 0; /* In pages */ -static unsigned long DRM(ram_used) = 0; -static drm_mem_stats_t DRM(mem_stats)[] = { - [DRM_MEM_DMA] = { "dmabufs" }, - [DRM_MEM_SAREA] = { "sareas" }, - [DRM_MEM_DRIVER] = { "driver" }, - [DRM_MEM_MAGIC] = { "magic" }, - [DRM_MEM_IOCTLS] = { "ioctltab" }, - [DRM_MEM_MAPS] = { "maplist" }, - [DRM_MEM_VMAS] = { "vmalist" }, - [DRM_MEM_BUFS] = { "buflist" }, - [DRM_MEM_SEGS] = { "seglist" }, - [DRM_MEM_PAGES] = { "pagelist" }, - [DRM_MEM_FILES] = { "files" }, - [DRM_MEM_QUEUES] = { "queues" }, - [DRM_MEM_CMDS] = { "commands" }, - [DRM_MEM_MAPPINGS] = { "mappings" }, - [DRM_MEM_BUFLISTS] = { "buflists" }, - [DRM_MEM_AGPLISTS] = { "agplist" }, - [DRM_MEM_SGLISTS] = { "sglist" }, - [DRM_MEM_TOTALAGP] = { "totalagp" }, - [DRM_MEM_BOUNDAGP] = { "boundagp" }, - [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, - [DRM_MEM_CTXLIST] = { "ctxlist" }, - [DRM_MEM_STUB] = { "stub" }, - { NULL, 0, } /* Last entry must be null */ -}; - -void DRM(mem_init)(void) -{ - drm_mem_stats_t *mem; - struct sysinfo si; - - for (mem = DRM(mem_stats); mem->name; ++mem) { - mem->succeed_count = 0; - mem->free_count = 0; - mem->fail_count = 0; - mem->bytes_allocated = 0; - mem->bytes_freed = 0; - } - - si_meminfo(&si); - DRM(ram_available) = si.totalram; - DRM(ram_used) = 0; -} - -/* drm_mem_info is called whenever a process reads /dev/drm/mem. */ - -static int DRM(_mem_info)(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - drm_mem_stats_t *pt; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *eof = 0; - *start = &buf[offset]; - - DRM_PROC_PRINT(" total counts " - " | outstanding \n"); - DRM_PROC_PRINT("type alloc freed fail bytes freed" - " | allocs bytes\n\n"); - DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", - "system", 0, 0, 0, - DRM(ram_available) << (PAGE_SHIFT - 10)); - DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", - "locked", 0, 0, 0, DRM(ram_used) >> 10); - DRM_PROC_PRINT("\n"); - for (pt = DRM(mem_stats); pt->name; pt++) { - DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", - pt->name, - pt->succeed_count, - pt->free_count, - pt->fail_count, - pt->bytes_allocated, - pt->bytes_freed, - pt->succeed_count - pt->free_count, - (long)pt->bytes_allocated - - (long)pt->bytes_freed); - } - - if (len > request + offset) return request; - *eof = 1; - return len - offset; -} - -int DRM(mem_info)(char *buf, char **start, off_t offset, - int len, int *eof, void *data) -{ - int ret; - - spin_lock(&DRM(mem_lock)); - ret = DRM(_mem_info)(buf, start, offset, len, eof, data); - spin_unlock(&DRM(mem_lock)); - return ret; -} - -void *DRM(alloc)(size_t size, int area) -{ - void *pt; - - if (!size) { - DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); - return NULL; - } - - if (!(pt = kmalloc(size, GFP_KERNEL))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].fail_count; - spin_unlock(&DRM(mem_lock)); - return NULL; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); - return pt; -} - -void *DRM(calloc)(size_t nmemb, size_t size, int area) -{ - void *addr; - - addr = DRM(alloc)(nmemb * size, area); - if (addr != NULL) - memset((void *)addr, 0, size * nmemb); - - return addr; -} - -void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) -{ - void *pt; - - if (!(pt = DRM(alloc)(size, area))) return NULL; - if (oldpt && oldsize) { - memcpy(pt, oldpt, oldsize); - DRM(free)(oldpt, oldsize, area); - } - return pt; -} - -void DRM(free)(void *pt, size_t size, int area) -{ - int alloc_count; - int free_count; - - if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); - else kfree(pt); - spin_lock(&DRM(mem_lock)); - DRM(mem_stats)[area].bytes_freed += size; - free_count = ++DRM(mem_stats)[area].free_count; - alloc_count = DRM(mem_stats)[area].succeed_count; - spin_unlock(&DRM(mem_lock)); - if (free_count > alloc_count) { - DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - -unsigned long DRM(alloc_pages)(int order, int area) -{ - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - spin_lock(&DRM(mem_lock)); - if ((DRM(ram_used) >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) { - spin_unlock(&DRM(mem_lock)); - return 0; - } - spin_unlock(&DRM(mem_lock)); - - address = __get_free_pages(GFP_KERNEL, order); - if (!address) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].fail_count; - spin_unlock(&DRM(mem_lock)); - return 0; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_allocated += bytes; - DRM(ram_used) += bytes; - spin_unlock(&DRM(mem_lock)); - - - /* Zero outside the lock */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -void DRM(free_pages)(unsigned long address, int order, int area) -{ - unsigned long bytes = PAGE_SIZE << order; - int alloc_count; - int free_count; - unsigned long addr; - unsigned int sz; - - if (!address) { - DRM_MEM_ERROR(area, "Attempt to free address 0\n"); - } else { - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; - addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - free_pages(address, order); - } - - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[area].free_count; - alloc_count = DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_freed += bytes; - DRM(ram_used) -= bytes; - spin_unlock(&DRM(mem_lock)); - if (free_count > alloc_count) { - DRM_MEM_ERROR(area, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - -void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev) -{ - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap(offset, size, dev))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&DRM(mem_lock)); - return NULL; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); - return pt; -} - -void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_t *dev) -{ - void *pt; - - if (!size) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Mapping 0 bytes at 0x%08lx\n", offset); - return NULL; - } - - if (!(pt = drm_ioremap_nocache(offset, size, dev))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&DRM(mem_lock)); - return NULL; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); - return pt; -} - -void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev) -{ - int alloc_count; - int free_count; - - if (!pt) - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Attempt to free NULL pointer\n"); - else - drm_ioremapfree(pt, size, dev); - - spin_lock(&DRM(mem_lock)); - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size; - free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - spin_unlock(&DRM(mem_lock)); - if (free_count > alloc_count) { - DRM_MEM_ERROR(DRM_MEM_MAPPINGS, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - -#if __OS_HAS_AGP - -DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type) -{ - DRM_AGP_MEM *handle; - - if (!pages) { - DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); - return NULL; - } - - if ((handle = DRM(agp_allocate_memory)(pages, type))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated - += pages << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); - return handle; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count; - spin_unlock(&DRM(mem_lock)); - return NULL; -} - -int DRM(free_agp)(DRM_AGP_MEM *handle, int pages) -{ - int alloc_count; - int free_count; - int retval = -EINVAL; - - if (!handle) { - DRM_MEM_ERROR(DRM_MEM_TOTALAGP, - "Attempt to free NULL AGP handle\n"); - return retval; - } - - if (DRM(agp_free_memory)(handle)) { - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed - += pages << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); - if (free_count > alloc_count) { - DRM_MEM_ERROR(DRM_MEM_TOTALAGP, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } - return 0; - } - return retval; -} - -int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start) -{ - int retcode = -EINVAL; - - if (!handle) { - DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, - "Attempt to bind NULL AGP handle\n"); - return retcode; - } - - if (!(retcode = DRM(agp_bind_memory)(handle, start))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated - += handle->page_count << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); - return retcode; - } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count; - spin_unlock(&DRM(mem_lock)); - return retcode; -} - -int DRM(unbind_agp)(DRM_AGP_MEM *handle) -{ - int alloc_count; - int free_count; - int retcode = -EINVAL; - - if (!handle) { - DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, - "Attempt to unbind NULL AGP handle\n"); - return retcode; - } - - if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed - += handle->page_count << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); - if (free_count > alloc_count) { - DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } - return retcode; -} -#endif |