From 360475376c5a597caf4a981c934a6b0d783fa94d Mon Sep 17 00:00:00 2001 From: Gareth Hughes Date: Thu, 15 Feb 2001 08:12:14 +0000 Subject: Merge mga-1-0-0-branch into trunk. --- linux/proc.c | 577 ----------------------------------------------------------- 1 file changed, 577 deletions(-) delete mode 100644 linux/proc.c (limited to 'linux/proc.c') diff --git a/linux/proc.c b/linux/proc.c deleted file mode 100644 index ca062a09..00000000 --- a/linux/proc.c +++ /dev/null @@ -1,577 +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 - */ - -#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); - } - 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//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 -- cgit v1.2.3