[PATCH 3/4] drm: Add decoding of i915 ioctls

Patrik Jakobsson patrik.jakobsson at linux.intel.com
Tue Jun 9 11:26:43 UTC 2015


There are more ioctls to add but the ones in this patch are most
commonly used.

Signed-off-by: Patrik Jakobsson <patrik.jakobsson at linux.intel.com>
---
 Makefile.am                |   1 +
 defs.h                     |   2 +
 drm.c                      |   6 +
 drm_i915.c                 | 287 +++++++++++++++++++++++++++++++++++++++++++++
 ioctl.c                    |   6 +
 xlat/drm_i915_getparams.in |  28 +++++
 xlat/drm_i915_ioctls.in    |  51 ++++++++
 xlat/drm_i915_setparams.in |   4 +
 8 files changed, 385 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 50d5140..941e12a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -122,6 +122,7 @@ strace_SOURCES =	\
 	utimes.c	\
 	v4l2.c		\
 	drm.c		\
+	drm_i915.c	\
 	vsprintf.c	\
 	wait.c		\
 	xattr.c
diff --git a/defs.h b/defs.h
index f77330b..e9286a1 100644
--- a/defs.h
+++ b/defs.h
@@ -575,6 +575,8 @@ extern int v4l2_ioctl(struct tcb *, const unsigned int, long);
 extern int drm_is_priv(const unsigned int);
 extern int drm_is_driver(struct tcb *tcp, const char *name);
 extern int drm_ioctl(struct tcb *, const unsigned int, long);
+extern int drm_i915_ioctl(struct tcb *, const unsigned int, long);
+extern int drm_i915_decode_number(struct tcb *, unsigned int);
 
 extern int tv_nz(const struct timeval *);
 extern int tv_cmp(const struct timeval *, const struct timeval *);
diff --git a/drm.c b/drm.c
index 56ef98b..fa98fb7 100644
--- a/drm.c
+++ b/drm.c
@@ -84,5 +84,11 @@ int drm_is_driver(struct tcb *tcp, const char *name)
 
 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);
+	}
+
 	return 0;
 }
diff --git a/drm_i915.c b/drm_i915.c
new file mode 100644
index 0000000..b7b32f7
--- /dev/null
+++ b/drm_i915.c
@@ -0,0 +1,287 @@
+/*
+ * 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 (entering(tcp) || umove(tcp, arg, &param))
+		return 0;
+	if (umove(tcp, (long)param.value, &value))
+		return 0;
+
+	tprintf(", {param=");
+	printxval(drm_i915_getparams, param.param, "I915_PARAM_???");
+	tprintf(", value=");
+	switch (param.param) {
+	case I915_PARAM_CHIPSET_ID:
+		tprintf("0x%04x", value);
+		break;
+	default:
+		tprintf("%d", value);
+	}
+	tprintf("}");
+
+	return 1;
+}
+
+static int i915_setparam(struct tcb *tcp, const unsigned int code, long arg)
+{
+	struct drm_i915_setparam param;
+
+	if (exiting(tcp) || umove(tcp, arg, &param))
+		return 0;
+
+	tprintf(", {param=");
+	printxval(drm_i915_setparams, param.param, "I915_PARAM_???");
+	tprintf(", value=%d}", param.value);
+
+	return 1;
+}
+
+static int i915_gem_execbuffer2(struct tcb *tcp, const unsigned int code,
+				long arg)
+{
+	struct drm_i915_gem_execbuffer2 eb;
+
+	if (exiting(tcp) || umove(tcp, arg, &eb))
+		return 0;
+
+	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 (entering(tcp) || umove(tcp, arg, &busy))
+		return 0;
+
+	tprintf(", {handle=%u, busy=%c, ring=%u}",
+		busy.handle, (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 (entering(tcp) || umove(tcp, arg, &create))
+		return 0;
+
+	tprintf(", {size=%Lu, handle=%u}", create.size, 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 (exiting(tcp) || umove(tcp, arg, &pr))
+		return 0;
+
+	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 (exiting(tcp) || umove(tcp, arg, &pw))
+		return 0;
+
+	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 (entering(tcp) || umove(tcp, arg, &mmap))
+		return 0;
+
+	tprintf(", {handle=%u, offset=%Lu, size=%Lu, addr_ptr=%p}",
+		mmap.handle, mmap.offset, mmap.size, (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 (entering(tcp) || umove(tcp, arg, &mmap))
+		return 0;
+
+	tprintf(", {handle=%u, offset=%Lu}", mmap.handle, 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 (entering(tcp) || umove(tcp, arg, &dom))
+		return 0;
+
+	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 (entering(tcp) || umove(tcp, arg, &madv))
+		return 0;
+
+	tprintf(", {handle=%u, madv=%u, retained=%u}",
+		madv.handle, madv.madv, 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 (entering(tcp) || umove(tcp, arg, &tiling))
+		return 0;
+
+	tprintf(", {handle=%u, tiling_mode=%u, swizzle_mode=%u}",
+		tiling.handle, 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 (entering(tcp) || umove(tcp, arg, &tiling))
+		return 0;
+
+	tprintf(", {handle=%u, tiling_mode=%u, stride=%u, swizzle_mode=%u}",
+		tiling.handle, tiling.tiling_mode, tiling.stride,
+		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 (entering(tcp) || umove(tcp, arg, &uptr))
+		return 0;
+
+	tprintf(", {user_ptr=%p, user_size=%Lu, flags=0x%x, handle=%u}",
+		(void *)uptr.user_ptr, uptr.user_size, 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/ioctl.c b/ioctl.c
index 690e7aa..f12ded8 100644
--- a/ioctl.c
+++ b/ioctl.c
@@ -184,6 +184,12 @@ hiddev_decode_number(unsigned int arg)
 static int
 drm_decode_number(struct tcb *tcp, unsigned int 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_decode_number(tcp, 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
-- 
2.1.0





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