[Intel-gfx] [PATCH v2 4/5] drm: Add decoding of i915 ioctls
Patrik Jakobsson
patrik.jakobsson at linux.intel.com
Tue Jun 30 00:52:23 PDT 2015
On Mon, Jun 29, 2015 at 07:46:50PM +0200, Gabriel Laskar wrote:
> On Thu, 18 Jun 2015 10:42:44 +0200
> Patrik Jakobsson <patrik.jakobsson at linux.intel.com> wrote:
>
> > There are more ioctls to add but the ones in this patch are most
> > commonly used.
> >
> > * Makefile.am: Add compilation of drm_i915.c
> > * drm.c: Dispatch i915 ioctls
> > * drm_i915.c: Decode DRM_IOCTL_I915_GETPARAM
> > * drm_i915.c: Decode DRM_IOCTL_I915_SETPARAM
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_EXECBUFFER2
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_BUSY
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_CREATE
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_PREAD
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_PWRITE
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_MMAP
> > * drm_i915.c: Decode DRM_IOCTL_I915_GEM_MMAP_GTT
> > * drm_i915.c: Decode DRM_IOCTL_I915_SET_DOMAIN
> > * drm_i915.c: Decode DRM_IOCTL_I915_MADVISE
> > * drm_i915.c: Decode DRM_IOCTL_I915_GET_TILING
> > * drm_i915.c: Decode DRM_IOCTL_I915_SET_TILING
> > * drm_i915.c: Decode DRM_IOCTL_I915_USERPTR
> > * xlat/drm_i915_getparams.in: List GETPARAM parameters
> > * xlat/drm_i915_setparams.in: List SETPARAM parameters
> > * xlat/drm_i915_ioctls.in: List i915 ioctls
> >
> > Signed-off-by: Patrik Jakobsson <patrik.jakobsson at linux.intel.com>
> > ---
> > Makefile.am | 1 +
> > drm.c | 14 ++
> > drm_i915.c | 332 +++++++++++++++++++++++++++++++++++++++++++++
> > xlat/drm_i915_getparams.in | 28 ++++
> > xlat/drm_i915_ioctls.in | 51 +++++++
> > xlat/drm_i915_setparams.in | 4 +
> > 6 files changed, 430 insertions(+)
> > create mode 100644 drm_i915.c
> > create mode 100644 xlat/drm_i915_getparams.in
> > create mode 100644 xlat/drm_i915_ioctls.in
> > create mode 100644 xlat/drm_i915_setparams.in
> >
> > diff --git a/Makefile.am b/Makefile.am
> > index 99382bd..aa27e0c 100644
> > --- a/Makefile.am
> > +++ b/Makefile.am
> > @@ -42,6 +42,7 @@ strace_SOURCES = \
> > desc.c \
> > dirent.c \
> > drm.c \
> > + drm_i915.c \
> > evdev.c \
> > execve.c \
> > exit.c \
> > diff --git a/drm.c b/drm.c
> > index 61df09f..8e3f7d1 100644
> > --- a/drm.c
> > +++ b/drm.c
> > @@ -35,6 +35,9 @@
> >
> > #define DRM_MAX_NAME_LEN 128
> >
> > +extern int drm_i915_decode_number(struct tcb *tcp, unsigned int arg);
> > +extern int drm_i915_ioctl(struct tcb *tcp, const unsigned int code, long arg);
> > +
> > struct drm_ioctl_priv {
> > char name[DRM_MAX_NAME_LEN];
> > };
> > @@ -93,11 +96,22 @@ int drm_is_driver(struct tcb *tcp, const char *name)
> >
> > int drm_decode_number(struct tcb *tcp, unsigned int arg)
> > {
> > + if (drm_is_priv(tcp->u_arg[1])) {
> > + if (verbose(tcp) && drm_is_driver(tcp, "i915"))
> > + return drm_i915_decode_number(tcp, arg);
> > + }
> > +
> > return 0;
> > }
> >
> > int drm_ioctl(struct tcb *tcp, const unsigned int code, long arg)
> > {
> > + /* Check for device specific ioctls */
> > + if (drm_is_priv(tcp->u_arg[1])) {
> > + if (verbose(tcp) && drm_is_driver(tcp, "i915"))
> > + return drm_i915_ioctl(tcp, code, arg);
> > + }
> > +
> > /* Free any allocated private data */
> > if (exiting(tcp) && tcp->priv_data != NULL) {
> > free(tcp->priv_data);
> > diff --git a/drm_i915.c b/drm_i915.c
> > new file mode 100644
> > index 0000000..25c797b
> > --- /dev/null
> > +++ b/drm_i915.c
> > @@ -0,0 +1,332 @@
> > +/*
> > + * Copyright (c) 2015 Intel Corporation
> > + * All rights reserved.
> > + *
> > + * Redistribution and use in source and binary forms, with or without
> > + * modification, are permitted provided that the following conditions
> > + * are met:
> > + * 1. Redistributions of source code must retain the above copyright
> > + * notice, this list of conditions and the following disclaimer.
> > + * 2. Redistributions in binary form must reproduce the above copyright
> > + * notice, this list of conditions and the following disclaimer in the
> > + * documentation and/or other materials provided with the distribution.
> > + * 3. The name of the author may not be used to endorse or promote products
> > + * derived from this software without specific prior written permission.
> > + *
> > + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
> > + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
> > + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
> > + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
> > + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
> > + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> > + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> > + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> > + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
> > + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> > + *
> > + * Authors:
> > + * Patrik Jakobsson <patrik.jakobsson at linux.intel.com>
> > + */
> > +
> > +#include "defs.h"
> > +
> > +#include <drm.h>
> > +#include <i915_drm.h>
> > +#include "xlat/drm_i915_ioctls.h"
> > +#include "xlat/drm_i915_getparams.h"
> > +#include "xlat/drm_i915_setparams.h"
> > +
> > +static int i915_getparam(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_getparam param;
> > + int value;
> > +
> > + if (umove(tcp, arg, ¶m))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprints(", {param=");
> > + printxval(drm_i915_getparams, param.param, "I915_PARAM_???");
> > + } else if (exiting(tcp)) {
> > + if (umove(tcp, (long)param.value, &value))
> > + return 0;
> > +
> > + tprints(", value=");
> > + switch (param.param) {
> > + case I915_PARAM_CHIPSET_ID:
> > + tprintf("0x%04x", value);
> > + break;
> > + default:
> > + tprintf("%d", value);
> > + }
> > + tprints("}");
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_setparam(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_setparam param;
> > +
> > + if (umove(tcp, arg, ¶m))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprints(", {param=");
> > + printxval(drm_i915_setparams, param.param, "I915_PARAM_???");
> > + } else if (exiting(tcp)) {
> > + tprintf(", value=%d}", param.value);
> > + }
>
> Here, it seems that param.value can be printed on entering.
>
Ah yes
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_execbuffer2(struct tcb *tcp, const unsigned int code,
> > + long arg)
> > +{
> > + struct drm_i915_gem_execbuffer2 eb;
> > +
> > + if (umove(tcp, arg, &eb))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {buffers_ptr=%p, buffer_count=%u, "
> > + "batch_start_offset=%x, batch_len=%u, DR1=%u, DR4=%u, "
> > + "num_cliprects=%u, cliprects_ptr=%p, flags=0x%Lx}",
> > + (void *)eb.buffers_ptr, eb.buffer_count,
> > + eb.batch_start_offset, eb.batch_len, eb.DR1, eb.DR4,
> > + eb.num_cliprects, (void *)eb.cliprects_ptr, eb.flags);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_busy(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_busy busy;
> > +
> > + if (umove(tcp, arg, &busy))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u", busy.handle);
> > + } else if (exiting(tcp)) {
> > + tprintf(", busy=%c, ring=%u}",
> > + (busy.busy & 0x1) ? 'Y' : 'N', (busy.busy >> 16));
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_create(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_create create;
> > +
> > + if (umove(tcp, arg, &create))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {size=%Lu", create.size);
> > + } else if (exiting(tcp)) {
> > + tprintf(", handle=%u}", create.handle);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_pread(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_pread pr;
> > +
> > + if (umove(tcp, arg, &pr))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, offset=%Lu, size=%Lu, data_ptr=%p}",
> > + pr.handle, pr.offset, pr.size, (void *)pr.data_ptr);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_pwrite(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_pwrite pw;
> > +
> > + if (umove(tcp, arg, &pw))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, offset=%Lu, size=%Lu, data_ptr=%p}",
> > + pw.handle, pw.offset, pw.size, (void *)pw.data_ptr);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_mmap(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_mmap mmap;
> > +
> > + if (umove(tcp, arg, &mmap))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, size=%Lu", mmap.handle, mmap.size);
> > + } else if (exiting(tcp)) {
> > + tprintf(", offset=%Lu, addr_ptr=%p}",
> > + mmap.offset, (void *)mmap.addr_ptr);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_mmap_gtt(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_mmap_gtt mmap;
> > +
> > + if (umove(tcp, arg, &mmap))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u", mmap.handle);
> > + } else if (exiting(tcp)) {
> > + tprintf(", offset=%Lu}", mmap.offset);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_set_domain(struct tcb *tcp, const unsigned int code,
> > + long arg)
> > +{
> > + struct drm_i915_gem_set_domain dom;
> > +
> > + if (umove(tcp, arg, &dom))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, read_domains=%x, write_domain=%x}",
> > + dom.handle, dom.read_domains, dom.write_domain);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_madvise(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_madvise madv;
> > +
> > + if (umove(tcp, arg, &madv))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, madv=%u", madv.handle, madv.madv);
> > + } else if (exiting(tcp)) {
> > + tprintf(", retained=%u}", madv.retained);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_get_tiling(struct tcb *tcp, const unsigned int code,
> > + long arg)
> > +{
> > + struct drm_i915_gem_get_tiling tiling;
> > +
> > + if (umove(tcp, arg, &tiling))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u", tiling.handle);
> > + } else if (exiting(tcp)) {
> > + tprintf(", tiling_mode=%u, swizzle_mode=%u}", tiling.tiling_mode,
> > + tiling.swizzle_mode);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_set_tiling(struct tcb *tcp, const unsigned int code,
> > + long arg)
> > +{
> > + struct drm_i915_gem_set_tiling tiling;
> > +
> > + if (umove(tcp, arg, &tiling))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {handle=%u, tiling_mode=%u, stride=%u",
> > + tiling.handle, tiling.tiling_mode, tiling.stride);
> > + } else if (exiting(tcp)) {
> > + tprintf(", swizzle_mode=%u}", tiling.swizzle_mode);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +static int i915_gem_userptr(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + struct drm_i915_gem_userptr uptr;
> > +
> > + if (umove(tcp, arg, &uptr))
> > + return 0;
> > +
> > + if (entering(tcp)) {
> > + tprintf(", {user_ptr=%p, user_size=%Lu", (void *)uptr.user_ptr,
> > + uptr.user_size);
> > + } else if (exiting(tcp)) {
> > + tprintf(", flags=0x%x, handle=%u}", uptr.flags, uptr.handle);
> > + }
> > +
> > + return 1;
> > +}
> > +
> > +int drm_i915_decode_number(struct tcb *tcp, unsigned int arg)
> > +{
> > + const char *str = xlookup(drm_i915_ioctls, arg);
> > +
> > + if (str) {
> > + tprintf("%s", str);
> > + return 1;
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +int drm_i915_ioctl(struct tcb *tcp, const unsigned int code, long arg)
> > +{
> > + switch (code) {
> > + case DRM_IOCTL_I915_GETPARAM:
> > + return i915_getparam(tcp, code, arg);
> > + case DRM_IOCTL_I915_SETPARAM:
> > + return i915_setparam(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_EXECBUFFER2:
> > + return i915_gem_execbuffer2(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_BUSY:
> > + return i915_gem_busy(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_CREATE:
> > + return i915_gem_create(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_PREAD:
> > + return i915_gem_pread(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_PWRITE:
> > + return i915_gem_pwrite(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_MMAP:
> > + return i915_gem_mmap(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_MMAP_GTT:
> > + return i915_gem_mmap_gtt(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_SET_DOMAIN:
> > + return i915_gem_set_domain(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_MADVISE:
> > + return i915_gem_madvise(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_GET_TILING:
> > + return i915_gem_get_tiling(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_SET_TILING:
> > + return i915_gem_set_tiling(tcp, code, arg);
> > + case DRM_IOCTL_I915_GEM_USERPTR:
> > + return i915_gem_userptr(tcp, code, arg);
> > + }
> > +
> > + return 0;
> > +}
> > diff --git a/xlat/drm_i915_getparams.in b/xlat/drm_i915_getparams.in
> > new file mode 100644
> > index 0000000..15275cb
> > --- /dev/null
> > +++ b/xlat/drm_i915_getparams.in
> > @@ -0,0 +1,28 @@
> > +I915_PARAM_IRQ_ACTIVE
> > +I915_PARAM_ALLOW_BATCHBUFFER
> > +I915_PARAM_LAST_DISPATCH
> > +I915_PARAM_CHIPSET_ID
> > +I915_PARAM_HAS_GEM
> > +I915_PARAM_NUM_FENCES_AVAIL
> > +I915_PARAM_HAS_OVERLAY
> > +I915_PARAM_HAS_PAGEFLIPPING
> > +I915_PARAM_HAS_EXECBUF2
> > +I915_PARAM_HAS_BSD
> > +I915_PARAM_HAS_BLT
> > +I915_PARAM_HAS_RELAXED_FENCING
> > +I915_PARAM_HAS_COHERENT_RINGS
> > +I915_PARAM_HAS_EXEC_CONSTANTS
> > +I915_PARAM_HAS_RELAXED_DELTA
> > +I915_PARAM_HAS_GEN7_SOL_RESET
> > +I915_PARAM_HAS_LLC
> > +I915_PARAM_HAS_ALIASING_PPGTT
> > +I915_PARAM_HAS_WAIT_TIMEOUT
> > +I915_PARAM_HAS_SEMAPHORES
> > +I915_PARAM_HAS_PRIME_VMAP_FLUSH
> > +I915_PARAM_HAS_VEBOX
> > +I915_PARAM_HAS_SECURE_BATCHES
> > +I915_PARAM_HAS_PINNED_BATCHES
> > +I915_PARAM_HAS_EXEC_NO_RELOC
> > +I915_PARAM_HAS_EXEC_HANDLE_LUT
> > +I915_PARAM_HAS_WT
> > +I915_PARAM_CMD_PARSER_VERSION
> > diff --git a/xlat/drm_i915_ioctls.in b/xlat/drm_i915_ioctls.in
> > new file mode 100644
> > index 0000000..21c3397
> > --- /dev/null
> > +++ b/xlat/drm_i915_ioctls.in
> > @@ -0,0 +1,51 @@
> > +/* Unfortunately i915 collides with other DRM drivers so we must specify these */
> > +DRM_IOCTL_I915_INIT
> > +DRM_IOCTL_I915_FLUSH
> > +DRM_IOCTL_I915_FLIP
> > +DRM_IOCTL_I915_BATCHBUFFER
> > +DRM_IOCTL_I915_IRQ_EMIT
> > +DRM_IOCTL_I915_IRQ_WAIT
> > +DRM_IOCTL_I915_GETPARAM
> > +DRM_IOCTL_I915_SETPARAM
> > +DRM_IOCTL_I915_ALLOC
> > +DRM_IOCTL_I915_FREE
> > +DRM_IOCTL_I915_INIT_HEAP
> > +DRM_IOCTL_I915_CMDBUFFER
> > +DRM_IOCTL_I915_DESTROY_HEAP
> > +DRM_IOCTL_I915_SET_VBLANK_PIPE
> > +DRM_IOCTL_I915_GET_VBLANK_PIPE
> > +DRM_IOCTL_I915_VBLANK_SWAP
> > +DRM_IOCTL_I915_HWS_ADDR
> > +DRM_IOCTL_I915_GEM_INIT
> > +DRM_IOCTL_I915_GEM_EXECBUFFER
> > +DRM_IOCTL_I915_GEM_EXECBUFFER2
> > +DRM_IOCTL_I915_GEM_PIN
> > +DRM_IOCTL_I915_GEM_UNPIN
> > +DRM_IOCTL_I915_GEM_BUSY
> > +DRM_IOCTL_I915_GEM_SET_CACHING
> > +DRM_IOCTL_I915_GEM_GET_CACHING
> > +DRM_IOCTL_I915_GEM_THROTTLE
> > +DRM_IOCTL_I915_GEM_ENTERVT
> > +DRM_IOCTL_I915_GEM_LEAVEVT
> > +DRM_IOCTL_I915_GEM_CREATE
> > +DRM_IOCTL_I915_GEM_PREAD
> > +DRM_IOCTL_I915_GEM_PWRITE
> > +DRM_IOCTL_I915_GEM_MMAP
> > +DRM_IOCTL_I915_GEM_MMAP_GTT
> > +DRM_IOCTL_I915_GEM_SET_DOMAIN
> > +DRM_IOCTL_I915_GEM_SW_FINISH
> > +DRM_IOCTL_I915_GEM_SET_TILING
> > +DRM_IOCTL_I915_GEM_GET_TILING
> > +DRM_IOCTL_I915_GEM_GET_APERTURE
> > +DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID
> > +DRM_IOCTL_I915_GEM_MADVISE
> > +DRM_IOCTL_I915_OVERLAY_PUT_IMAGE
> > +DRM_IOCTL_I915_OVERLAY_ATTRS
> > +DRM_IOCTL_I915_SET_SPRITE_COLORKEY
> > +DRM_IOCTL_I915_GET_SPRITE_COLORKEY
> > +DRM_IOCTL_I915_GEM_WAIT
> > +DRM_IOCTL_I915_GEM_CONTEXT_CREATE
> > +DRM_IOCTL_I915_GEM_CONTEXT_DESTROY
> > +DRM_IOCTL_I915_REG_READ
> > +DRM_IOCTL_I915_GET_RESET_STATS
> > +DRM_IOCTL_I915_GEM_USERPTR
> > diff --git a/xlat/drm_i915_setparams.in b/xlat/drm_i915_setparams.in
> > new file mode 100644
> > index 0000000..d93d2ea
> > --- /dev/null
> > +++ b/xlat/drm_i915_setparams.in
> > @@ -0,0 +1,4 @@
> > +I915_SETPARAM_USE_MI_BATCHBUFFER_START
> > +I915_SETPARAM_TEX_LRU_LOG_GRANULARITY
> > +I915_SETPARAM_ALLOW_BATCHBUFFER
> > +I915_SETPARAM_NUM_USED_FENCES
>
>
>
> --
> Gabriel Laskar
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