patch-2.4.8 linux/drivers/char/drm/proc.c
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- Lines: 579
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.4.7/linux/drivers/char/drm/proc.c
- Orig date:
Tue Jul 3 17:08:19 2001
diff -u --recursive --new-file v2.4.7/linux/drivers/char/drm/proc.c linux/drivers/char/drm/proc.c
@@ -1,578 +0,0 @@
-/* proc.c -- /proc support for DRM -*- linux-c -*-
- * Created: Mon Jan 11 09:48:47 1999 by faith@precisioninsight.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
- * 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:
- * Rickard E. (Rik) Faith <faith@valinux.com>
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-
-static struct proc_dir_entry *drm_root = NULL;
-static struct proc_dir_entry *drm_dev_root = NULL;
-static char drm_slot_name[64];
-
-static int drm_name_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-static int drm_vm_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-static int drm_clients_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-static int drm_queues_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-static int drm_bufs_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-#if DRM_DEBUG_CODE
-static int drm_vma_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-#endif
-#if DRM_DMA_HISTOGRAM
-static int drm_histo_info(char *buf, char **start, off_t offset,
- int len, int *eof, void *data);
-#endif
-
-struct drm_proc_list {
- const char *name;
- int (*f)(char *, char **, off_t, int, int *, void *);
-} drm_proc_list[] = {
- { "name", drm_name_info },
- { "mem", drm_mem_info },
- { "vm", drm_vm_info },
- { "clients", drm_clients_info },
- { "queues", drm_queues_info },
- { "bufs", drm_bufs_info },
-#if DRM_DEBUG_CODE
- { "vma", drm_vma_info },
-#endif
-#if DRM_DMA_HISTOGRAM
- { "histo", drm_histo_info },
-#endif
-};
-#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0]))
-
-int drm_proc_init(drm_device_t *dev)
-{
- struct proc_dir_entry *ent;
- int i, j;
-
- drm_root = create_proc_entry("dri", S_IFDIR, NULL);
- if (!drm_root) {
- DRM_ERROR("Cannot create /proc/dri\n");
- return -1;
- }
-
- /* Instead of doing this search, we should
- add some global support for /proc/dri. */
- for (i = 0; i < 8; i++) {
- sprintf(drm_slot_name, "dri/%d", i);
- drm_dev_root = create_proc_entry(drm_slot_name, S_IFDIR, NULL);
- if (!drm_dev_root) {
- DRM_ERROR("Cannot create /proc/%s\n", drm_slot_name);
- remove_proc_entry("dri", NULL);
- break;
- }
- if (drm_dev_root->nlink == 2) break;
- drm_dev_root = NULL;
- }
- if (!drm_dev_root) {
- DRM_ERROR("Cannot find slot in /proc/dri\n");
- return -1;
- }
-
- for (i = 0; i < DRM_PROC_ENTRIES; i++) {
- ent = create_proc_entry(drm_proc_list[i].name,
- S_IFREG|S_IRUGO, drm_dev_root);
- if (!ent) {
- DRM_ERROR("Cannot create /proc/%s/%s\n",
- drm_slot_name, drm_proc_list[i].name);
- for (j = 0; j < i; j++)
- remove_proc_entry(drm_proc_list[i].name,
- drm_dev_root);
- remove_proc_entry(drm_slot_name, NULL);
- remove_proc_entry("dri", NULL);
- return -1;
- }
- ent->read_proc = drm_proc_list[i].f;
- ent->data = dev;
- }
-
- return 0;
-}
-
-
-int drm_proc_cleanup(void)
-{
- int i;
-
- if (drm_root) {
- if (drm_dev_root) {
- for (i = 0; i < DRM_PROC_ENTRIES; i++) {
- remove_proc_entry(drm_proc_list[i].name,
- drm_dev_root);
- }
- remove_proc_entry(drm_slot_name, NULL);
- }
- remove_proc_entry("dri", NULL);
- remove_proc_entry(DRM_NAME, NULL);
- }
- drm_root = drm_dev_root = NULL;
- return 0;
-}
-
-static int drm_name_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
-
- if (dev->unique) {
- DRM_PROC_PRINT("%s 0x%x %s\n",
- dev->name, dev->device, dev->unique);
- } else {
- DRM_PROC_PRINT("%s 0x%x\n", dev->name, dev->device);
- }
- return len;
-}
-
-static int _drm_vm_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- drm_map_t *map;
- /* Hardcoded from _DRM_FRAME_BUFFER,
- _DRM_REGISTERS, _DRM_SHM, and
- _DRM_AGP. */
- const char *types[] = { "FB", "REG", "SHM", "AGP" };
- const char *type;
- int i;
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
- DRM_PROC_PRINT("slot offset size type flags "
- "address mtrr\n\n");
- for (i = 0; i < dev->map_count; i++) {
- map = dev->maplist[i];
- if (map->type < 0 || map->type > 3) type = "??";
- else type = types[map->type];
- DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
- i,
- map->offset,
- map->size,
- type,
- map->flags,
- (unsigned long)map->handle);
- if (map->mtrr < 0) {
- DRM_PROC_PRINT("none\n");
- } else {
- DRM_PROC_PRINT("%4d\n", map->mtrr);
- }
- }
-
- return len;
-}
-
-static int drm_vm_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_vm_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-
-
-static int _drm_queues_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int i;
- drm_queue_t *q;
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
- DRM_PROC_PRINT(" ctx/flags use fin"
- " blk/rw/rwf wait flushed queued"
- " locks\n\n");
- for (i = 0; i < dev->queue_count; i++) {
- q = dev->queuelist[i];
- atomic_inc(&q->use_count);
- DRM_PROC_PRINT_RET(atomic_dec(&q->use_count),
- "%5d/0x%03x %5d %5d"
- " %5d/%c%c/%c%c%c %5Zd %10d %10d %10d\n",
- i,
- q->flags,
- atomic_read(&q->use_count),
- atomic_read(&q->finalization),
- atomic_read(&q->block_count),
- atomic_read(&q->block_read) ? 'r' : '-',
- atomic_read(&q->block_write) ? 'w' : '-',
- waitqueue_active(&q->read_queue) ? 'r':'-',
- waitqueue_active(&q->write_queue) ? 'w':'-',
- waitqueue_active(&q->flush_queue) ? 'f':'-',
- DRM_BUFCOUNT(&q->waitlist),
- atomic_read(&q->total_flushed),
- atomic_read(&q->total_queued),
- atomic_read(&q->total_locks));
- atomic_dec(&q->use_count);
- }
-
- return len;
-}
-
-static int drm_queues_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_queues_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-
-/* drm_bufs_info is called whenever a process reads
- /dev/drm/<dev>/bufs. */
-
-static int _drm_bufs_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- drm_device_dma_t *dma = dev->dma;
- int i;
-
- if (!dma) return 0;
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
- DRM_PROC_PRINT(" o size count free segs pages kB\n\n");
- for (i = 0; i <= DRM_MAX_ORDER; i++) {
- if (dma->bufs[i].buf_count)
- DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n",
- i,
- dma->bufs[i].buf_size,
- dma->bufs[i].buf_count,
- atomic_read(&dma->bufs[i]
- .freelist.count),
- dma->bufs[i].seg_count,
- dma->bufs[i].seg_count
- *(1 << dma->bufs[i].page_order),
- (dma->bufs[i].seg_count
- * (1 << dma->bufs[i].page_order))
- * PAGE_SIZE / 1024);
- }
- DRM_PROC_PRINT("\n");
- for (i = 0; i < dma->buf_count; i++) {
- if (i && !(i%32)) DRM_PROC_PRINT("\n");
- DRM_PROC_PRINT(" %d", dma->buflist[i]->list);
- }
- DRM_PROC_PRINT("\n");
-
- return len;
-}
-
-static int drm_bufs_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_bufs_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-
-
-static int _drm_clients_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- drm_file_t *priv;
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
- DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n");
- for (priv = dev->file_first; priv; priv = priv->next) {
- DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n",
- priv->authenticated ? 'y' : 'n',
- priv->minor,
- priv->pid,
- priv->uid,
- priv->magic,
- priv->ioctl_count);
- }
-
- return len;
-}
-
-static int drm_clients_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_clients_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-
-#if DRM_DEBUG_CODE
-
-#define DRM_VMA_VERBOSE 0
-
-static int _drm_vma_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- drm_vma_entry_t *pt;
- struct vm_area_struct *vma;
-#if DRM_VMA_VERBOSE
- unsigned long i;
- unsigned long address;
- pgd_t *pgd;
- pmd_t *pmd;
- pte_t *pte;
-#endif
-#if defined(__i386__)
- unsigned int pgprot;
-#endif
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
- DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n",
- atomic_read(&dev->vma_count),
- high_memory, virt_to_phys(high_memory));
- for (pt = dev->vmalist; pt; pt = pt->next) {
- if (!(vma = pt->vma)) continue;
- DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx",
- pt->pid,
- vma->vm_start,
- vma->vm_end,
- vma->vm_flags & VM_READ ? 'r' : '-',
- vma->vm_flags & VM_WRITE ? 'w' : '-',
- vma->vm_flags & VM_EXEC ? 'x' : '-',
- vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
- VM_OFFSET(vma));
-
-#if defined(__i386__)
- pgprot = pgprot_val(vma->vm_page_prot);
- DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c",
- pgprot & _PAGE_PRESENT ? 'p' : '-',
- pgprot & _PAGE_RW ? 'w' : 'r',
- pgprot & _PAGE_USER ? 'u' : 's',
- pgprot & _PAGE_PWT ? 't' : 'b',
- pgprot & _PAGE_PCD ? 'u' : 'c',
- pgprot & _PAGE_ACCESSED ? 'a' : '-',
- pgprot & _PAGE_DIRTY ? 'd' : '-',
- pgprot & _PAGE_PSE ? 'm' : 'k',
- pgprot & _PAGE_GLOBAL ? 'g' : 'l' );
-#endif
- DRM_PROC_PRINT("\n");
-#if 0
- for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) {
- pgd = pgd_offset(vma->vm_mm, i);
- pmd = pmd_offset(pgd, i);
- pte = pte_offset(pmd, i);
- if (pte_present(*pte)) {
- address = __pa(pte_page(*pte))
- + (i & (PAGE_SIZE-1));
- DRM_PROC_PRINT(" 0x%08lx -> 0x%08lx"
- " %c%c%c%c%c\n",
- i,
- address,
- pte_read(*pte) ? 'r' : '-',
- pte_write(*pte) ? 'w' : '-',
- pte_exec(*pte) ? 'x' : '-',
- pte_dirty(*pte) ? 'd' : '-',
- pte_young(*pte) ? 'a' : '-' );
- } else {
- DRM_PROC_PRINT(" 0x%08lx\n", i);
- }
- }
-#endif
- }
-
- return len;
-}
-
-static int drm_vma_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_vma_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-#endif
-
-
-#if DRM_DMA_HISTOGRAM
-static int _drm_histo_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- drm_device_dma_t *dma = dev->dma;
- int i;
- unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL;
- unsigned long prev_value = 0;
- drm_buf_t *buffer;
-
- if (offset > 0) return 0; /* no partial requests */
- len = 0;
- *eof = 1;
-
- DRM_PROC_PRINT("general statistics:\n");
- DRM_PROC_PRINT("total %10u\n", atomic_read(&dev->histo.total));
- DRM_PROC_PRINT("open %10u\n", atomic_read(&dev->total_open));
- DRM_PROC_PRINT("close %10u\n", atomic_read(&dev->total_close));
- DRM_PROC_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
- DRM_PROC_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
- DRM_PROC_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
-
- DRM_PROC_PRINT("\nlock statistics:\n");
- DRM_PROC_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
- DRM_PROC_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
- DRM_PROC_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
- DRM_PROC_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
-
-
- if (dma) {
- DRM_PROC_PRINT("\ndma statistics:\n");
- DRM_PROC_PRINT("prio %10u\n",
- atomic_read(&dma->total_prio));
- DRM_PROC_PRINT("bytes %10u\n",
- atomic_read(&dma->total_bytes));
- DRM_PROC_PRINT("dmas %10u\n",
- atomic_read(&dma->total_dmas));
- DRM_PROC_PRINT("missed:\n");
- DRM_PROC_PRINT(" dma %10u\n",
- atomic_read(&dma->total_missed_dma));
- DRM_PROC_PRINT(" lock %10u\n",
- atomic_read(&dma->total_missed_lock));
- DRM_PROC_PRINT(" free %10u\n",
- atomic_read(&dma->total_missed_free));
- DRM_PROC_PRINT(" sched %10u\n",
- atomic_read(&dma->total_missed_sched));
- DRM_PROC_PRINT("tried %10u\n",
- atomic_read(&dma->total_tried));
- DRM_PROC_PRINT("hit %10u\n",
- atomic_read(&dma->total_hit));
- DRM_PROC_PRINT("lost %10u\n",
- atomic_read(&dma->total_lost));
-
- buffer = dma->next_buffer;
- if (buffer) {
- DRM_PROC_PRINT("next_buffer %7d\n", buffer->idx);
- } else {
- DRM_PROC_PRINT("next_buffer none\n");
- }
- buffer = dma->this_buffer;
- if (buffer) {
- DRM_PROC_PRINT("this_buffer %7d\n", buffer->idx);
- } else {
- DRM_PROC_PRINT("this_buffer none\n");
- }
- }
-
-
- DRM_PROC_PRINT("\nvalues:\n");
- if (dev->lock.hw_lock) {
- DRM_PROC_PRINT("lock 0x%08x\n",
- dev->lock.hw_lock->lock);
- } else {
- DRM_PROC_PRINT("lock none\n");
- }
- DRM_PROC_PRINT("context_flag 0x%08lx\n", dev->context_flag);
- DRM_PROC_PRINT("interrupt_flag 0x%08lx\n", dev->interrupt_flag);
- DRM_PROC_PRINT("dma_flag 0x%08lx\n", dev->dma_flag);
-
- DRM_PROC_PRINT("queue_count %10d\n", dev->queue_count);
- DRM_PROC_PRINT("last_context %10d\n", dev->last_context);
- DRM_PROC_PRINT("last_switch %10lu\n", dev->last_switch);
- DRM_PROC_PRINT("last_checked %10d\n", dev->last_checked);
-
-
- DRM_PROC_PRINT("\n q2d d2c c2f"
- " q2c q2f dma sch"
- " ctx lacq lhld\n\n");
- for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
- DRM_PROC_PRINT("%s %10lu %10u %10u %10u %10u %10u"
- " %10u %10u %10u %10u %10u\n",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ",
- i == DRM_DMA_HISTOGRAM_SLOTS - 1
- ? prev_value : slot_value ,
-
- atomic_read(&dev->histo
- .queued_to_dispatched[i]),
- atomic_read(&dev->histo
- .dispatched_to_completed[i]),
- atomic_read(&dev->histo
- .completed_to_freed[i]),
-
- atomic_read(&dev->histo
- .queued_to_completed[i]),
- atomic_read(&dev->histo
- .queued_to_freed[i]),
- atomic_read(&dev->histo.dma[i]),
- atomic_read(&dev->histo.schedule[i]),
- atomic_read(&dev->histo.ctx[i]),
- atomic_read(&dev->histo.lacq[i]),
- atomic_read(&dev->histo.lhld[i]));
- prev_value = slot_value;
- slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value);
- }
- return len;
-}
-
-static int drm_histo_info(char *buf, char **start, off_t offset, int len,
- int *eof, void *data)
-{
- drm_device_t *dev = (drm_device_t *)data;
- int ret;
-
- down(&dev->struct_sem);
- ret = _drm_histo_info(buf, start, offset, len, eof, data);
- up(&dev->struct_sem);
- return ret;
-}
-#endif
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