/**
- * \file drm_memory.h
+ * \file drm_memory_debug.h
* Memory management wrappers for DRM.
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
#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;
+ 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 DEFINE_SPINLOCK(DRM(mem_lock));
-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 */
+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)
-{
+void drm_mem_init (void) {
drm_mem_stats_t *mem;
- struct sysinfo si;
+ struct sysinfo si;
- for (mem = DRM(mem_stats); mem->name; ++mem) {
- mem->succeed_count = 0;
- mem->free_count = 0;
- mem->fail_count = 0;
+ 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;
+ mem->bytes_freed = 0;
}
si_meminfo(&si);
- DRM(ram_available) = si.totalram;
- DRM(ram_used) = 0;
+ 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)
-{
+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;
+ int len = 0;
if (offset > DRM_PROC_LIMIT) {
*eof = 1;
return 0;
}
- *eof = 0;
+ *eof = 0;
*start = &buf[offset];
DRM_PROC_PRINT(" total counts "
" | 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_ram_available << (PAGE_SHIFT - 10));
DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n",
- "locked", 0, 0, 0, DRM(ram_used) >> 10);
+ "locked", 0, 0, 0, drm_ram_used >> 10);
DRM_PROC_PRINT("\n");
- for (pt = DRM(mem_stats); pt->name; pt++) {
+ 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,
- (long)pt->bytes_freed);
}
- if (len > request + offset) return request;
+ 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 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));
+ 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 *drm_alloc (size_t size, int area) {
void *pt;
if (!size) {
}
if (!(pt = kmalloc(size, GFP_KERNEL))) {
- spin_lock(&DRM(mem_lock));
- ++DRM(mem_stats)[area].fail_count;
- spin_unlock(&DRM(mem_lock));
+ 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));
+ 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 *drm_calloc (size_t nmemb, size_t size, int area) {
void *addr;
- addr = DRM(alloc)(nmemb * size, area);
+ 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 *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) {
void *pt;
- if (!(pt = DRM(alloc)(size, area))) return NULL;
+ if (!(pt = drm_alloc (size, area)))
+ return NULL;
if (oldpt && oldsize) {
memcpy(pt, oldpt, oldsize);
- DRM(free)(oldpt, oldsize, area);
+ drm_free (oldpt, oldsize, area);
}
return pt;
}
-void DRM(free)(void *pt, size_t size, int area)
-{
+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 (!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 *drm_ioremap (unsigned long offset, unsigned long size,
+ drm_device_t * dev) {
void *pt;
if (!size) {
}
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));
+ 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));
+ 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)
-{
+#if 0
+void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
+ drm_device_t * dev) {
void *pt;
if (!size) {
}
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));
+ 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));
+ 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;
}
+#endif /* 0 */
-void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev)
-{
+void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) {
int alloc_count;
int free_count;
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));
+ 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",
#if __OS_HAS_AGP
-DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type)
-{
+DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) {
DRM_AGP_MEM *handle;
if (!pages) {
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));
+ 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));
+ 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;
+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,
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 (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",
return retval;
}
-int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start)
-{
+int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) {
int retcode = -EINVAL;
if (!handle) {
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));
+ 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));
+ 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 drm_unbind_agp (DRM_AGP_MEM * handle) {
int alloc_count;
int free_count;
int retcode = -EINVAL;
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 ((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",
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