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Diffstat (limited to 'drivers/char/drm/drm_memory_debug.h')
-rw-r--r--drivers/char/drm/drm_memory_debug.h224
1 files changed, 107 insertions, 117 deletions
diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h
index 2c82e69a7fd2..4542353195bd 100644
--- a/drivers/char/drm/drm_memory_debug.h
+++ b/drivers/char/drm/drm_memory_debug.h
@@ -1,5 +1,5 @@
/**
- * \file drm_memory.h
+ * \file drm_memory.h
* Memory management wrappers for DRM.
*
* \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -35,75 +35,75 @@
#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 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;
+ 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_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 "
@@ -129,24 +129,23 @@ static int DRM(_mem_info)(char *buf, char **start, off_t offset,
- (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);
+ 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) {
@@ -167,40 +166,40 @@ void *DRM(alloc)(size_t size, int area)
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);
+ 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;
+ 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",
@@ -208,12 +207,11 @@ void DRM(free)(void *pt, size_t size, int area)
}
}
-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 bytes = PAGE_SIZE << order;
unsigned long addr;
- unsigned int sz;
+ unsigned int sz;
spin_lock(&DRM(mem_lock));
if ((DRM(ram_used) >> PAGE_SHIFT)
@@ -233,48 +231,44 @@ unsigned long DRM(alloc_pages)(int order, int area)
spin_lock(&DRM(mem_lock));
++DRM(mem_stats)[area].succeed_count;
DRM(mem_stats)[area].bytes_allocated += bytes;
- DRM(ram_used) += bytes;
+ DRM(ram_used) += bytes;
spin_unlock(&DRM(mem_lock));
-
- /* Zero outside the lock */
+ /* Zero outside the lock */
memset((void *)address, 0, bytes);
- /* Reserve */
+ /* Reserve */
for (addr = address, sz = bytes;
- sz > 0;
- addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ 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)
-{
+void DRM(free_pages) (unsigned long address, int order, int area) {
unsigned long bytes = PAGE_SIZE << order;
- int alloc_count;
- int free_count;
+ int alloc_count;
+ int free_count;
unsigned long addr;
- unsigned int sz;
+ unsigned int sz;
if (!address) {
DRM_MEM_ERROR(area, "Attempt to free address 0\n");
} else {
- /* Unreserve */
+ /* Unreserve */
for (addr = address, sz = bytes;
- sz > 0;
- addr += PAGE_SIZE, sz -= PAGE_SIZE) {
+ 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;
+ 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;
+ DRM(ram_used) -= bytes;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(area,
@@ -283,8 +277,8 @@ void DRM(free_pages)(unsigned long address, int order, int area)
}
}
-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) {
@@ -306,8 +300,8 @@ void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev)
return pt;
}
-void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_t *dev)
-{
+void *DRM(ioremap_nocache) (unsigned long offset, unsigned long size,
+ drm_device_t * dev) {
void *pt;
if (!size) {
@@ -329,8 +323,7 @@ void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_
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;
@@ -342,8 +335,8 @@ void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *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;
+ 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,
@@ -354,8 +347,7 @@ 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) (int pages, u32 type) {
DRM_AGP_MEM *handle;
if (!pages) {
@@ -363,11 +355,11 @@ DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type)
return NULL;
}
- if ((handle = DRM(agp_allocate_memory)(pages, type))) {
+ 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;
+ += pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return handle;
}
@@ -377,11 +369,10 @@ DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type)
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,
@@ -389,12 +380,12 @@ int DRM(free_agp)(DRM_AGP_MEM *handle, int pages)
return retval;
}
- if (DRM(agp_free_memory)(handle)) {
+ 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;
+ 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;
+ += pages << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
@@ -406,8 +397,7 @@ 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) {
@@ -416,11 +406,11 @@ int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start)
return retcode;
}
- if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
+ 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;
+ += handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
return retcode;
}
@@ -430,8 +420,7 @@ int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start)
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;
@@ -442,12 +431,13 @@ int DRM(unbind_agp)(DRM_AGP_MEM *handle)
return retcode;
}
- if ((retcode = DRM(agp_unbind_memory)(handle))) 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;
+ 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;
+ += handle->page_count << PAGE_SHIFT;
spin_unlock(&DRM(mem_lock));
if (free_count > alloc_count) {
DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.