[Intel-gfx] [PATCH v2 4/5] drm: Add decoding of i915 ioctls
Gabriel Laskar
gabriel at lse.epita.fr
Mon Jun 29 10:46:50 PDT 2015
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.
> +
> + 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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