From: Jani Nikula <jani.nikula@linux.intel.com>
To: bradley.d.volkin@intel.com, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 04/13] drm/i915: Reject privileged commands
Date: Wed, 05 Feb 2014 17:22:33 +0200 [thread overview]
Message-ID: <87zjm51t52.fsf@intel.com> (raw)
In-Reply-To: <1391032514-19136-5-git-send-email-bradley.d.volkin@intel.com>
On Wed, 29 Jan 2014, bradley.d.volkin@intel.com wrote:
> From: Brad Volkin <bradley.d.volkin@intel.com>
>
> The spec defines most of these commands as privileged. A few others,
> like the semaphore mbox command and some display commands, are also
> reserved for the driver's use. Subsequent patches relax some of
> these restrictions.
>
> Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com>
> ---
> drivers/gpu/drm/i915/i915_cmd_parser.c | 54 ++++++++++++++++++++++++----------
> drivers/gpu/drm/i915/i915_reg.h | 31 +++++++++----------
> 2 files changed, 54 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
> index 2e27bad..cc2f68c 100644
> --- a/drivers/gpu/drm/i915/i915_cmd_parser.c
> +++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
> @@ -57,27 +57,27 @@
> static const struct drm_i915_cmd_descriptor common_cmds[] = {
> CMD( MI_NOOP, SMI, F, 1, S ),
> CMD( MI_USER_INTERRUPT, SMI, F, 1, S ),
> - CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, S ),
> + CMD( MI_WAIT_FOR_EVENT, SMI, F, 1, R ),
> CMD( MI_ARB_CHECK, SMI, F, 1, S ),
> CMD( MI_REPORT_HEAD, SMI, F, 1, S ),
> CMD( MI_SUSPEND_FLUSH, SMI, F, 1, S ),
> - CMD( MI_SEMAPHORE_MBOX, SMI, !F, 0xFF, S ),
> - CMD( MI_STORE_DWORD_INDEX, SMI, !F, 0xFF, S ),
> - CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, S ),
> - CMD( MI_STORE_REGISTER_MEM(1), SMI, !F, 0xFF, S ),
> - CMD( MI_LOAD_REGISTER_MEM, SMI, !F, 0xFF, S ),
> + CMD( MI_SEMAPHORE_MBOX, SMI, !F, 0xFF, R ),
> + CMD( MI_STORE_DWORD_INDEX, SMI, !F, 0xFF, R ),
> + CMD( MI_LOAD_REGISTER_IMM(1), SMI, !F, 0xFF, R ),
> + CMD( MI_STORE_REGISTER_MEM(1), SMI, !F, 0xFF, R ),
> + CMD( MI_LOAD_REGISTER_MEM, SMI, !F, 0xFF, R ),
> CMD( MI_BATCH_BUFFER_START, SMI, !F, 0xFF, S ),
> };
>
> static const struct drm_i915_cmd_descriptor render_cmds[] = {
> CMD( MI_FLUSH, SMI, F, 1, S ),
> - CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, R ),
> CMD( MI_PREDICATE, SMI, F, 1, S ),
> CMD( MI_TOPOLOGY_FILTER, SMI, F, 1, S ),
> - CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, S ),
> - CMD( MI_SET_CONTEXT, SMI, !F, 0xFF, S ),
> + CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, R ),
> + CMD( MI_SET_CONTEXT, SMI, !F, 0xFF, R ),
> CMD( MI_URB_CLEAR, SMI, !F, 0xFF, S ),
> - CMD( MI_UPDATE_GTT, SMI, !F, 0xFF, S ),
> + CMD( MI_UPDATE_GTT, SMI, !F, 0xFF, R ),
> CMD( MI_CLFLUSH, SMI, !F, 0x3FF, S ),
> CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> CMD( GFX_OP_3DSTATE_VF_STATISTICS, S3D, F, 1, S ),
> @@ -92,7 +92,9 @@ static const struct drm_i915_cmd_descriptor hsw_render_cmds[] = {
> CMD( MI_RS_CONTROL, SMI, F, 1, S ),
> CMD( MI_URB_ATOMIC_ALLOC, SMI, F, 1, S ),
> CMD( MI_RS_CONTEXT, SMI, F, 1, S ),
> - CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, S ),
> + CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, R ),
> + CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, R ),
> + CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, R ),
> CMD( MI_RS_STORE_DATA_IMM, SMI, !F, 0xFF, S ),
> CMD( MI_LOAD_URB_MEM, SMI, !F, 0xFF, S ),
> CMD( MI_STORE_URB_MEM, SMI, !F, 0xFF, S ),
> @@ -107,8 +109,9 @@ static const struct drm_i915_cmd_descriptor hsw_render_cmds[] = {
> };
>
> static const struct drm_i915_cmd_descriptor video_cmds[] = {
> - CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, R ),
> CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, S ),
> + CMD( MI_UPDATE_GTT, SMI, !F, 0x3F, R ),
> CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> /*
> * MFX_WAIT doesn't fit the way we handle length for most commands.
> @@ -119,18 +122,25 @@ static const struct drm_i915_cmd_descriptor video_cmds[] = {
> };
>
> static const struct drm_i915_cmd_descriptor vecs_cmds[] = {
> - CMD( MI_ARB_ON_OFF, SMI, F, 1, S ),
> + CMD( MI_ARB_ON_OFF, SMI, F, 1, R ),
> CMD( MI_STORE_DWORD_IMM, SMI, !F, 0xFF, S ),
> + CMD( MI_UPDATE_GTT, SMI, !F, 0x3F, R ),
> CMD( MI_CONDITIONAL_BATCH_BUFFER_END, SMI, !F, 0xFF, S ),
> };
>
> static const struct drm_i915_cmd_descriptor blt_cmds[] = {
> - CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, S ),
> + CMD( MI_DISPLAY_FLIP, SMI, !F, 0xFF, R ),
> CMD( MI_STORE_DWORD_IMM, SMI, !F, 0x3FF, S ),
> + CMD( MI_UPDATE_GTT, SMI, !F, 0x3F, R ),
> CMD( COLOR_BLT, S2D, !F, 0x3F, S ),
> CMD( SRC_COPY_BLT, S2D, !F, 0x3F, S ),
> };
>
> +static const struct drm_i915_cmd_descriptor hsw_blt_cmds[] = {
> + CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, R ),
> + CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, R ),
> +};
> +
> #undef CMD
> #undef SMI
> #undef S3D
> @@ -169,6 +179,12 @@ static const struct drm_i915_cmd_table gen7_blt_cmds[] = {
> { blt_cmds, ARRAY_SIZE(blt_cmds) },
> };
>
> +static const struct drm_i915_cmd_table hsw_blt_ring_cmds[] = {
> + { common_cmds, ARRAY_SIZE(common_cmds) },
> + { blt_cmds, ARRAY_SIZE(blt_cmds) },
> + { hsw_blt_cmds, ARRAY_SIZE(hsw_blt_cmds) },
> +};
> +
> #define CLIENT_MASK 0xE0000000
> #define SUBCLIENT_MASK 0x18000000
> #define MI_CLIENT 0x00000000
> @@ -305,8 +321,14 @@ void i915_cmd_parser_init_ring(struct intel_ring_buffer *ring)
> ring->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask;
> break;
> case BCS:
> - ring->cmd_tables = gen7_blt_cmds;
> - ring->cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
> + if (IS_HASWELL(ring->dev)) {
> + ring->cmd_tables = hsw_blt_ring_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(hsw_blt_ring_cmds);
> + } else {
> + ring->cmd_tables = gen7_blt_cmds;
> + ring->cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
> + }
> +
> ring->get_cmd_length_mask = gen7_blt_get_cmd_length_mask;
> break;
> case VECS:
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 13ed6ed..2b7c26e 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -339,21 +339,22 @@
> /*
> * Commands used only by the command parser
> */
> -#define MI_SET_PREDICATE MI_INSTR(0x01, 0)
> -#define MI_ARB_CHECK MI_INSTR(0x05, 0)
> -#define MI_RS_CONTROL MI_INSTR(0x06, 0)
> -#define MI_URB_ATOMIC_ALLOC MI_INSTR(0x09, 0)
> -#define MI_PREDICATE MI_INSTR(0x0C, 0)
> -#define MI_RS_CONTEXT MI_INSTR(0x0F, 0)
> -#define MI_TOPOLOGY_FILTER MI_INSTR(0x0D, 0)
> -#define MI_URB_CLEAR MI_INSTR(0x19, 0)
> -#define MI_UPDATE_GTT MI_INSTR(0x23, 0)
> -#define MI_CLFLUSH MI_INSTR(0x27, 0)
> -#define MI_LOAD_REGISTER_MEM MI_INSTR(0x29, 0)
> -#define MI_LOAD_REGISTER_REG MI_INSTR(0x2A, 0)
> -#define MI_RS_STORE_DATA_IMM MI_INSTR(0x2B, 0)
> -#define MI_LOAD_URB_MEM MI_INSTR(0x2C, 0)
> -#define MI_STORE_URB_MEM MI_INSTR(0x2D, 0)
> +#define MI_SET_PREDICATE MI_INSTR(0x01, 0)
> +#define MI_ARB_CHECK MI_INSTR(0x05, 0)
> +#define MI_RS_CONTROL MI_INSTR(0x06, 0)
> +#define MI_URB_ATOMIC_ALLOC MI_INSTR(0x09, 0)
> +#define MI_PREDICATE MI_INSTR(0x0C, 0)
> +#define MI_RS_CONTEXT MI_INSTR(0x0F, 0)
> +#define MI_TOPOLOGY_FILTER MI_INSTR(0x0D, 0)
> +#define MI_LOAD_SCAN_LINES_EXCL MI_INSTR(0x13, 0)
> +#define MI_URB_CLEAR MI_INSTR(0x19, 0)
> +#define MI_UPDATE_GTT MI_INSTR(0x23, 0)
> +#define MI_CLFLUSH MI_INSTR(0x27, 0)
> +#define MI_LOAD_REGISTER_MEM MI_INSTR(0x29, 0)
> +#define MI_LOAD_REGISTER_REG MI_INSTR(0x2A, 0)
> +#define MI_RS_STORE_DATA_IMM MI_INSTR(0x2B, 0)
> +#define MI_LOAD_URB_MEM MI_INSTR(0x2C, 0)
> +#define MI_STORE_URB_MEM MI_INSTR(0x2D, 0)
Superfluous whitespace change hunk.
> #define MI_CONDITIONAL_BATCH_BUFFER_END MI_INSTR(0x36, 0)
>
> #define PIPELINE_SELECT ((0x3<<29)|(0x1<<27)|(0x1<<24)|(0x4<<16))
> --
> 1.8.5.2
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Jani Nikula, Intel Open Source Technology Center
next prev parent reply other threads:[~2014-02-05 15:18 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-26 16:51 [RFC 00/22] Gen7 batch buffer command parser bradley.d.volkin
2013-11-26 16:51 ` [RFC 01/22] drm/i915: Add data structures for " bradley.d.volkin
2013-11-26 16:51 ` [RFC 02/22] drm/i915: Initial command parser table definitions bradley.d.volkin
2013-11-26 16:51 ` [RFC 03/22] drm/i915: Hook command parser tables up to rings bradley.d.volkin
2013-11-26 16:51 ` [RFC 04/22] drm/i915: Add per-ring command length decode functions bradley.d.volkin
2013-11-26 16:51 ` [RFC 05/22] drm/i915: Implement command parsing bradley.d.volkin
2013-11-26 17:29 ` Chris Wilson
2013-11-26 17:38 ` Volkin, Bradley D
2013-11-26 17:56 ` Chris Wilson
2013-11-26 18:55 ` Volkin, Bradley D
2013-12-05 21:10 ` Volkin, Bradley D
2013-11-26 16:51 ` [RFC 06/22] drm/i915: Add a HAS_CMD_PARSER getparam bradley.d.volkin
2013-11-27 12:51 ` Daniel Vetter
2013-12-05 9:38 ` Kenneth Graunke
2013-12-05 17:22 ` Volkin, Bradley D
2013-12-05 17:26 ` Daniel Vetter
2013-11-26 16:51 ` [RFC 07/22] drm/i915: Add support for rejecting commands during parsing bradley.d.volkin
2013-11-26 16:51 ` [RFC 08/22] drm/i915: Add support for checking register accesses bradley.d.volkin
2013-11-26 16:51 ` [RFC 09/22] drm/i915: Add support for rejecting commands via bitmasks bradley.d.volkin
2013-11-26 16:51 ` [RFC 10/22] drm/i915: Reject unsafe commands bradley.d.volkin
2013-11-26 16:51 ` [RFC 11/22] drm/i915: Add register whitelists for mesa bradley.d.volkin
2013-11-26 16:51 ` [RFC 12/22] drm/i915: Enable register whitelist checks bradley.d.volkin
2013-11-26 16:51 ` [RFC 13/22] drm/i915: Enable bit checking for some commands bradley.d.volkin
2013-11-26 16:51 ` [RFC 14/22] drm/i915: Enable PPGTT command parser checks bradley.d.volkin
2013-11-26 16:51 ` [RFC 15/22] drm/i915: Reject commands that would store to global HWS page bradley.d.volkin
2013-11-26 16:51 ` [RFC 16/22] drm/i915: Reject additional commands bradley.d.volkin
2013-11-26 16:51 ` [RFC 17/22] drm/i915: Add parser data for perf monitoring GL extensions bradley.d.volkin
2013-11-26 16:51 ` [RFC 18/22] drm/i915: Reject MI_ARB_ON_OFF on VECS bradley.d.volkin
2013-11-26 16:51 ` [RFC 19/22] drm/i915: Fix length handling for MFX_WAIT bradley.d.volkin
2013-11-26 16:51 ` [RFC 20/22] drm/i915: Fix MI_STORE_DWORD_IMM parser defintion bradley.d.volkin
2013-11-26 18:08 ` Chris Wilson
2013-11-26 18:55 ` Volkin, Bradley D
2013-11-26 16:51 ` [RFC 21/22] drm/i915: Clean up command parser enable decision bradley.d.volkin
2013-11-26 16:51 ` [RFC 22/22] drm/i915: Enable command parsing by default bradley.d.volkin
2013-11-26 19:35 ` [RFC 00/22] Gen7 batch buffer command parser Daniel Vetter
2013-11-26 20:24 ` Volkin, Bradley D
2013-11-27 1:32 ` ykzhao
2013-11-27 8:10 ` Daniel Vetter
2013-11-27 8:23 ` Xiang, Haihao
2013-11-27 8:31 ` Daniel Vetter
2013-11-27 8:42 ` Xiang, Haihao
2013-11-27 8:47 ` Daniel Vetter
2013-11-27 8:54 ` Xiang, Haihao
2013-11-27 8:55 ` ykzhao
2013-12-04 8:13 ` Daniel Vetter
2013-12-04 8:22 ` Daniel Vetter
2013-12-05 1:40 ` Volkin, Bradley D
2013-12-05 7:48 ` Daniel Vetter
2013-12-05 20:47 ` Volkin, Bradley D
2013-12-05 23:42 ` Daniel Vetter
2013-11-27 1:26 ` Xiang, Haihao
2013-12-11 0:58 ` Volkin, Bradley D
2013-12-11 9:54 ` Daniel Vetter
2013-12-11 18:04 ` Volkin, Bradley D
2013-12-11 18:46 ` Daniel Vetter
2014-01-29 21:55 ` [PATCH 00/13] " bradley.d.volkin
2014-01-29 21:55 ` [PATCH 01/13] drm/i915: Refactor shmem pread setup bradley.d.volkin
2014-01-30 8:36 ` Daniel Vetter
2014-01-29 21:55 ` [PATCH 02/13] drm/i915: Implement command buffer parsing logic bradley.d.volkin
2014-01-29 22:28 ` Chris Wilson
2014-01-30 8:53 ` Daniel Vetter
2014-01-30 9:05 ` Daniel Vetter
2014-01-30 9:12 ` Daniel Vetter
2014-01-30 11:07 ` Daniel Vetter
2014-01-30 18:05 ` Volkin, Bradley D
2014-02-03 23:00 ` Volkin, Bradley D
2014-02-04 10:20 ` Daniel Vetter
2014-02-04 18:45 ` Volkin, Bradley D
2014-02-04 19:33 ` Daniel Vetter
2014-02-05 0:56 ` Volkin, Bradley D
2014-01-30 17:55 ` Volkin, Bradley D
2014-01-30 9:07 ` Daniel Vetter
2014-01-30 10:57 ` Chris Wilson
2014-02-05 15:15 ` Jani Nikula
2014-02-05 18:36 ` Volkin, Bradley D
2014-02-07 13:58 ` Jani Nikula
2014-02-07 14:45 ` Daniel Vetter
2014-02-11 18:12 ` Volkin, Bradley D
2014-02-11 18:21 ` Jani Nikula
2014-01-29 21:55 ` [PATCH 03/13] drm/i915: Initial command parser table definitions bradley.d.volkin
2014-02-05 14:22 ` Jani Nikula
2014-01-29 21:55 ` [PATCH 04/13] drm/i915: Reject privileged commands bradley.d.volkin
2014-02-05 15:22 ` Jani Nikula [this message]
2014-02-05 18:42 ` Volkin, Bradley D
2014-01-29 21:55 ` [PATCH 05/13] drm/i915: Allow some privileged commands from master bradley.d.volkin
2014-01-29 21:55 ` [PATCH 06/13] drm/i915: Add register whitelists for mesa bradley.d.volkin
2014-02-05 15:29 ` Jani Nikula
2014-02-05 18:47 ` Volkin, Bradley D
2014-01-29 21:55 ` [PATCH 07/13] drm/i915: Add register whitelist for DRM master bradley.d.volkin
2014-01-29 22:37 ` Chris Wilson
2014-01-29 23:18 ` Volkin, Bradley D
2014-01-30 9:02 ` Daniel Vetter
[not found] ` <20140130172206.GA26611@vpg-ubuntu-bdvolkin>
2014-01-30 20:41 ` Daniel Vetter
2014-01-29 21:55 ` [PATCH 08/13] drm/i915: Enable register whitelist checks bradley.d.volkin
2014-02-05 15:33 ` Jani Nikula
2014-02-05 18:49 ` Volkin, Bradley D
2014-01-29 21:55 ` [PATCH 09/13] drm/i915: Reject commands that explicitly generate interrupts bradley.d.volkin
2014-01-29 21:55 ` [PATCH 10/13] drm/i915: Enable PPGTT command parser checks bradley.d.volkin
2014-01-29 22:33 ` Chris Wilson
2014-01-29 23:00 ` Volkin, Bradley D
2014-01-29 23:08 ` Chris Wilson
2014-02-05 15:37 ` Jani Nikula
2014-02-05 18:54 ` Volkin, Bradley D
2014-01-29 21:55 ` [PATCH 11/13] drm/i915: Reject commands that would store to global HWS page bradley.d.volkin
2014-02-05 15:39 ` Jani Nikula
2014-01-29 21:55 ` [PATCH 12/13] drm/i915: Add a CMD_PARSER_VERSION getparam bradley.d.volkin
2014-01-30 9:19 ` Daniel Vetter
2014-01-30 17:25 ` Volkin, Bradley D
2014-01-29 21:55 ` [PATCH 13/13] drm/i915: Enable command parsing by default bradley.d.volkin
2014-01-29 22:11 ` [PATCH 00/13] Gen7 batch buffer command parser Daniel Vetter
2014-01-29 22:22 ` Volkin, Bradley D
2014-01-29 23:31 ` Daniel Vetter
2014-02-05 15:41 ` Jani Nikula
2014-01-29 21:57 ` [PATCH] intel: Merge i915_drm.h with cmd parser define bradley.d.volkin
2014-01-29 22:13 ` Chris Wilson
2014-01-29 22:26 ` Volkin, Bradley D
2014-01-30 9:20 ` Daniel Vetter
2014-01-30 17:28 ` Volkin, Bradley D
2014-02-04 10:26 ` Daniel Vetter
2014-01-29 21:58 ` [PATCH 1/6] tests: Add a test for the command parser bradley.d.volkin
2014-01-29 21:58 ` [PATCH 2/6] tests/gem_exec_parse: Add tests for rejected commands bradley.d.volkin
2014-01-29 21:58 ` [PATCH 3/6] tests/gem_exec_parse: Add tests for register whitelist bradley.d.volkin
2014-01-29 21:58 ` [PATCH 4/6] tests/gem_exec_parse: Add tests for bitmask checks bradley.d.volkin
2014-01-29 21:58 ` [PATCH 5/6] tests/gem_exec_parse: Test for batches w/o MI_BATCH_BUFFER_END bradley.d.volkin
2014-01-29 22:10 ` Chris Wilson
2014-01-30 11:46 ` Chris Wilson
2014-03-25 13:17 ` Daniel Vetter
2014-03-25 19:49 ` Volkin, Bradley D
2014-01-29 21:58 ` [PATCH 6/6] tests/gem_exec_parse: Test a command crossing a page boundary bradley.d.volkin
2014-01-29 22:12 ` Chris Wilson
2014-03-25 13:20 ` Daniel Vetter
2014-02-05 10:28 ` [RFC 00/22] Gen7 batch buffer command parser Chris Wilson
2014-02-05 18:18 ` Volkin, Bradley D
2014-02-05 18:25 ` Chris Wilson
2014-02-05 18:30 ` Daniel Vetter
2014-02-05 19:00 ` Volkin, Bradley D
2014-02-05 19:17 ` Daniel Vetter
2014-02-05 19:55 ` Volkin, Bradley D
-- strict thread matches above, loose matches on Subject: below --
2014-02-18 18:15 [PATCH 00/13] " bradley.d.volkin
2014-02-18 18:15 ` [PATCH 04/13] drm/i915: Reject privileged commands bradley.d.volkin
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