drm: update drm_memory_debug.h

Update from DRM CVS for drm memory debug

From: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: NDave Airlie <airlied@linux.ie>

drivers/char/drm/drm_memory_debug.h

 /**
- * \file drm_memory.h
+ * \file drm_memory_debug.h
  * Memory management wrappers for DRM.
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -43,42 +43,41 @@ typedef struct drm_mem_stats {
 	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)[] =
+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 */
+	[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;
 
-	for (mem = DRM(mem_stats); mem->name; ++mem) {
+	for (mem = drm_mem_stats; mem->name; ++mem) {
 		mem->succeed_count = 0;
 		mem->free_count = 0;
 		mem->fail_count = 0;
@@ -87,13 +86,13 @@ void DRM(mem_init) (void) {
 	}
 
 	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,
+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;
@@ -112,11 +111,11 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset,
 		       " | 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,
@@ -135,17 +134,17 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset,
 	return len - offset;
 }
 
-int DRM(mem_info) (char *buf, char **start, off_t 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));
+	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) {
@@ -154,41 +153,41 @@ void *DRM(alloc) (size_t size, int area) {
 	}
 
 	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)))
+	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;
 
@@ -196,43 +195,43 @@ void DRM(free) (void *pt, size_t size, int area) {
 		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));
+	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 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));
+	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));
+	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));
+		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));
+	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);
@@ -246,7 +245,7 @@ unsigned long DRM(alloc_pages) (int order, int area) {
 	return address;
 }
 
-void DRM(free_pages) (unsigned long address, int order, int area) {
+void drm_free_pages (unsigned long address, int order, int area) {
 	unsigned long bytes = PAGE_SIZE << order;
 	int alloc_count;
 	int free_count;
@@ -264,12 +263,12 @@ void DRM(free_pages) (unsigned long address, int order, int area) {
 		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));
+	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",
@@ -277,7 +276,7 @@ void DRM(free_pages) (unsigned long address, int order, int area) {
 	}
 }
 
-void *DRM(ioremap) (unsigned long offset, unsigned long size,
+void *drm_ioremap (unsigned long offset, unsigned long size,
 		    drm_device_t * dev) {
 	void *pt;
 
@@ -288,19 +287,19 @@ void *DRM(ioremap) (unsigned long offset, unsigned long 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,
+void *drm_ioremap_nocache (unsigned long offset, unsigned long size,
 			    drm_device_t * dev) {
 	void *pt;
 
@@ -311,19 +310,19 @@ void *DRM(ioremap_nocache) (unsigned long offset, unsigned long 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;
 }
 
-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;
 
@@ -333,11 +332,11 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) {
 	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",
@@ -347,7 +346,7 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) {
 
 #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) {
@@ -355,21 +354,21 @@ DRM_AGP_MEM *DRM(alloc_agp) (int pages, u32 type) {
 		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
+	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));
+		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 drm_free_agp (DRM_AGP_MEM * handle, int pages) {
 	int alloc_count;
 	int free_count;
 	int retval = -EINVAL;
@@ -380,13 +379,13 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) {
 		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
+	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));
+		spin_unlock(&drm_mem_lock);
 		if (free_count > alloc_count) {
 			DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
 				      "Excess frees: %d frees, %d allocs\n",
@@ -397,7 +396,7 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) {
 	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) {
@@ -406,21 +405,21 @@ int DRM(bind_agp) (DRM_AGP_MEM * handle, unsigned int start) {
 		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
+	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));
+		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;
@@ -431,14 +430,14 @@ int DRM(unbind_agp) (DRM_AGP_MEM * handle) {
 		return retcode;
 	}
 
-	if ((retcode = DRM(agp_unbind_memory) (handle)))
+	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
+	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));
+	spin_unlock(&drm_mem_lock);
 	if (free_count > alloc_count) {
 		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
 			      "Excess frees: %d frees, %d allocs\n",