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c1463ef7c0
freebsd/sys/dev/drm/drm_sysctl.h
Eric Anholt 4fc9623548 Add the code for the DRM, based on the code from the drm-kmod port. 
This is not hooked up yet, that will come later.

Approved by:	des
2002-04-27 20:47:57 +00:00

526 lines
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/*
* $FreeBSD$
*/
#include "dev/drm/drm.h"
#include "dev/drm/drmP.h"
#include <sys/sysctl.h>
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(queues_info)DRM_SYSCTL_HANDLER_ARGS;
static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS;
#if DRM_DEBUG_CODExx
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS;
#endif
struct DRM(sysctl_list) {
const char *name;
int (*f) DRM_SYSCTL_HANDLER_ARGS;
} DRM(sysctl_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_CODExx
{ "vma", DRM(vma_info) },
#endif
#if DRM_DMA_HISTOGRAM
{ "histo", drm_histo_info) },
#endif
};
#define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0]))
struct drm_sysctl_info {
struct sysctl_ctx_list ctx;
char name[2];
};
int DRM(sysctl_init)(drm_device_t *dev)
{
struct drm_sysctl_info *info;
struct sysctl_oid *oid;
struct sysctl_oid *top, *drioid;
int i;
info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER);
if ( !info )
return 1;
bzero(info, sizeof *info);
dev->sysctl = info;
/* Add the sysctl node for DRI if it doesn't already exist */
drioid = SYSCTL_ADD_NODE( &info->ctx, &sysctl__hw_children, OID_AUTO, "dri", CTLFLAG_RW, NULL, "DRI Graphics");
if (!drioid)
return 1;
/* Find the next free slot under hw.dri */
i = 0;
SLIST_FOREACH(oid, SYSCTL_CHILDREN(drioid), oid_link) {
if (i <= oid->oid_arg2)
i = oid->oid_arg2 + 1;
}
if (i>9)
return 1;
/* Add the hw.dri.x for our device */
info->name[0] = '0' + i;
info->name[1] = 0;
top = SYSCTL_ADD_NODE( &info->ctx, SYSCTL_CHILDREN(drioid), OID_AUTO, info->name, CTLFLAG_RW, NULL, NULL);
if (!top)
return 1;
for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) {
oid = sysctl_add_oid( &info->ctx,
SYSCTL_CHILDREN(top),
OID_AUTO,
DRM(sysctl_list)[i].name,
CTLTYPE_INT | CTLFLAG_RD,
dev,
0,
DRM(sysctl_list)[i].f,
"A",
NULL);
if (!oid)
return 1;
}
return 0;
}
int DRM(sysctl_cleanup)(drm_device_t *dev)
{
int error;
error = sysctl_ctx_free( &dev->sysctl->ctx );
DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER);
dev->sysctl = NULL;
return error;
}
static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
char buf[128];
int error;
if (dev->unique) {
DRM_SYSCTL_PRINT("%s 0x%x %s\n",
dev->name, dev2udev(dev->devnode), dev->unique);
} else {
DRM_SYSCTL_PRINT("%s 0x%x\n", dev->name, dev2udev(dev->devnode));
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(_vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_map_t *map;
drm_map_list_entry_t *listentry;
const char *types[] = { "FB", "REG", "SHM" };
const char *type;
int i=0;
char buf[128];
int error;
DRM_SYSCTL_PRINT("slot offset size type flags "
"address mtrr\n\n");
error = SYSCTL_OUT(req, buf, strlen(buf));
if (error) return error;
if (dev->maplist != NULL) {
TAILQ_FOREACH(listentry, dev->maplist, link) {
map = listentry->map;
if (map->type < 0 || map->type > 2) type = "??";
else type = types[map->type];
DRM_SYSCTL_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_SYSCTL_PRINT("none\n");
} else {
DRM_SYSCTL_PRINT("%4d\n", map->mtrr);
}
i++;
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vm_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_queues_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int i;
drm_queue_t *q;
char buf[128];
int error;
DRM_SYSCTL_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_SYSCTL_PRINT_RET(atomic_dec(&q->use_count),
"%5d/0x%03x %5ld %5ld"
" %5ld/%c%c/%c%c%c %5d %10ld %10ld %10ld\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' : '-',
q->read_queue ? 'r':'-',
q->write_queue ? 'w':'-',
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);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(queues_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_queues_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
/* drm_bufs_info is called whenever a process reads
hw.dri.0.bufs. */
static int DRM(_bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_device_dma_t *dma = dev->dma;
int i;
char buf[128];
int error;
if (!dma) return 0;
DRM_SYSCTL_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_SYSCTL_PRINT("%2d %8d %5d %5ld %5d %5d %5d\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_SYSCTL_PRINT("\n");
for (i = 0; i < dma->buf_count; i++) {
if (i && !(i%32)) DRM_SYSCTL_PRINT("\n");
DRM_SYSCTL_PRINT(" %d", dma->buflist[i]->list);
}
DRM_SYSCTL_PRINT("\n");
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_bufs_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
static int DRM(_clients_info) DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_file_t *priv;
char buf[128];
int error;
DRM_SYSCTL_PRINT("a dev pid uid magic ioctls\n\n");
TAILQ_FOREACH(priv, &dev->files, link) {
DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n",
priv->authenticated ? 'y' : 'n',
priv->minor,
priv->pid,
priv->uid,
priv->magic,
priv->ioctl_count);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_clients_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#if DRM_DEBUG_CODExx
static int DRM(_vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
drm_vma_entry_t *pt;
pgd_t *pgd;
pmd_t *pmd;
pte_t *pte;
unsigned long i;
struct vm_area_struct *vma;
unsigned long address;
#if defined(__i386__)
unsigned int pgprot;
#endif
char buf[128];
int error;
DRM_SYSCTL_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_SYSCTL_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' : '-',
vma->vm_offset );
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);
DRM_SYSCTL_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_4M ? 'm' : 'k',
pgprot & _PAGE_GLOBAL ? 'g' : 'l' );
#endif
DRM_SYSCTL_PRINT("\n");
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_SYSCTL_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_SYSCTL_PRINT(" 0x%08lx\n", i);
}
}
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(vma_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = DRM(_vma_info)(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif
#if DRM_DMA_HISTOGRAM
static int DRM(_histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
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;
char buf[128];
int error;
DRM_SYSCTL_PRINT("general statistics:\n");
DRM_SYSCTL_PRINT("total %10u\n", atomic_read(&dev->histo.total));
DRM_SYSCTL_PRINT("open %10u\n", atomic_read(&dev->total_open));
DRM_SYSCTL_PRINT("close %10u\n", atomic_read(&dev->total_close));
DRM_SYSCTL_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl));
DRM_SYSCTL_PRINT("irq %10u\n", atomic_read(&dev->total_irq));
DRM_SYSCTL_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx));
DRM_SYSCTL_PRINT("\nlock statistics:\n");
DRM_SYSCTL_PRINT("locks %10u\n", atomic_read(&dev->total_locks));
DRM_SYSCTL_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks));
DRM_SYSCTL_PRINT("contends %10u\n", atomic_read(&dev->total_contends));
DRM_SYSCTL_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps));
if (dma) {
DRM_SYSCTL_PRINT("\ndma statistics:\n");
DRM_SYSCTL_PRINT("prio %10u\n",
atomic_read(&dma->total_prio));
DRM_SYSCTL_PRINT("bytes %10u\n",
atomic_read(&dma->total_bytes));
DRM_SYSCTL_PRINT("dmas %10u\n",
atomic_read(&dma->total_dmas));
DRM_SYSCTL_PRINT("missed:\n");
DRM_SYSCTL_PRINT(" dma %10u\n",
atomic_read(&dma->total_missed_dma));
DRM_SYSCTL_PRINT(" lock %10u\n",
atomic_read(&dma->total_missed_lock));
DRM_SYSCTL_PRINT(" free %10u\n",
atomic_read(&dma->total_missed_free));
DRM_SYSCTL_PRINT(" sched %10u\n",
atomic_read(&dma->total_missed_sched));
DRM_SYSCTL_PRINT("tried %10u\n",
atomic_read(&dma->total_tried));
DRM_SYSCTL_PRINT("hit %10u\n",
atomic_read(&dma->total_hit));
DRM_SYSCTL_PRINT("lost %10u\n",
atomic_read(&dma->total_lost));
buffer = dma->next_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("next_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("next_buffer none\n");
}
buffer = dma->this_buffer;
if (buffer) {
DRM_SYSCTL_PRINT("this_buffer %7d\n", buffer->idx);
} else {
DRM_SYSCTL_PRINT("this_buffer none\n");
}
}
DRM_SYSCTL_PRINT("\nvalues:\n");
if (dev->lock.hw_lock) {
DRM_SYSCTL_PRINT("lock 0x%08x\n",
dev->lock.hw_lock->lock);
} else {
DRM_SYSCTL_PRINT("lock none\n");
}
DRM_SYSCTL_PRINT("context_flag 0x%08x\n", dev->context_flag);
DRM_SYSCTL_PRINT("interrupt_flag 0x%08x\n", dev->interrupt_flag);
DRM_SYSCTL_PRINT("dma_flag 0x%08x\n", dev->dma_flag);
DRM_SYSCTL_PRINT("queue_count %10d\n", dev->queue_count);
DRM_SYSCTL_PRINT("last_context %10d\n", dev->last_context);
DRM_SYSCTL_PRINT("last_switch %10u\n", dev->last_switch);
DRM_SYSCTL_PRINT("last_checked %10d\n", dev->last_checked);
DRM_SYSCTL_PRINT("\n q2d d2c c2f"
" q2c q2f dma sch"
" ctx lacq lhld\n\n");
for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) {
DRM_SYSCTL_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);
}
SYSCTL_OUT(req, "", 1);
return 0;
}
static int DRM(histo_info)DRM_SYSCTL_HANDLER_ARGS
{
drm_device_t *dev = arg1;
int ret;
DRM_OS_LOCK;
ret = _drm_histo_info(oidp, arg1, arg2, req);
DRM_OS_UNLOCK;
return ret;
}
#endif
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