From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5F338C25B79 for ; Fri, 24 May 2024 08:49:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A621810E33C; Fri, 24 May 2024 08:49:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JqjD9Iek"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id E3EA810E13E for ; Fri, 24 May 2024 08:49:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716540556; x=1748076556; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=HHDlIp41TXmGjua2BhL5dvBfFYTJo1GD4Pv2Dnni8AM=; b=JqjD9Iekh0FgI3T29bYttLMFTeQHySPE11YrTG5r1vNAvkk02jDHV4X9 deVeCu/4eZQo/vSP0k8g0XWSV4Fz8W/3Nvfb5XYwlwU9bf8P0f0F5Gwzx 5UyDq5Q8B8Lx0thwpWUTNPwpO2+CJbTtsST+/JjzUtKxfQ99gsxwWtqjR IV54niN0z0amz0f7scY1x8JAPG4LkyuD/bpxKqdMkjBL43JRHjgef1uOv H9SZDvlyVeD4QpPIeLmaM806gGi0Huh+Rdu6LvUltB5REe2N5yvtHs0CJ za9KO6fabTkbjPXvSSvnLJufzwF+DkEPf/7KuPJu2TAJZUTtD5X9QigMF g==; X-CSE-ConnectionGUID: DcWb5dvhS5y1jscW3dEU0w== X-CSE-MsgGUID: LxVDdB/IQw6s2WuHrBeFXg== X-IronPort-AV: E=McAfee;i="6600,9927,11081"; a="12692327" X-IronPort-AV: E=Sophos;i="6.08,184,1712646000"; d="scan'208";a="12692327" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2024 01:49:16 -0700 X-CSE-ConnectionGUID: xkZ6EjP7SxmBcnP4s1gaew== X-CSE-MsgGUID: GpNepi2CTXKrpsIo9oaI6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,184,1712646000"; d="scan'208";a="33940907" Received: from lab-ah.igk.intel.com ([10.102.138.202]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2024 01:49:14 -0700 From: Andrzej Hajda Date: Fri, 24 May 2024 10:49:02 +0200 Subject: [PATCH v3 2/5] lib/gpgpu_shader: tooling for preparing and running gpgpu shaders MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20240524-iga64_inline_ups-v3-2-62427617ced3@intel.com> References: <20240524-iga64_inline_ups-v3-0-62427617ced3@intel.com> In-Reply-To: <20240524-iga64_inline_ups-v3-0-62427617ced3@intel.com> To: igt-dev@lists.freedesktop.org Cc: Kamil Konieczny , Dominik Grzegorzek , Christoph Manszewski , =?utf-8?q?Zbigniew_Kempczy=C5=84ski?= , Gwan-gyeong Mun , Andrzej Hajda X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=8051; i=andrzej.hajda@intel.com; h=from:subject:message-id; bh=HHDlIp41TXmGjua2BhL5dvBfFYTJo1GD4Pv2Dnni8AM=; b=owEB7QES/pANAwAKASNispPeEP3XAcsmYgBmUFSFR0j5QwfahQgebEYSbgMVtQSAVTOoKLEzvQiN QreHkBiJAbMEAAEKAB0WIQT8qEQxNN2/XeF/A00jYrKT3hD91wUCZlBUhQAKCRAjYrKT3hD91xg9C/ 4z36aByhKxIZEtvUNexkEibeDzRPXVWbwPUxoIPKbyMyu3aTOMPNG3gfcDj2KWmpisEqnXhtJW4wXG YToGqo19K4jqh0ozx0vnsoT6UQt9BRtQQQibi5IAo+lzVyHnlAnNHeEtnMob1+FFitLUMXwnNF0iRl /Dcv7c6F0zOnY3Suhyuwu/K8fO+FyiOYc6+XeE0QKbPMChs0hvPEcclwHImpnTxKdu7Y9+pG7ZB6uB H2zw1MerqzgtoZTRh3tydK6ww86xfKcZ4NTgitJiKrtNvpFmbd6sYO1h+LL5PbpqTzAqIEpvJG4c0o LQjsucEi839mKVfY/T8Jn96XLXwt+3u19ewl02kSOtQyKAnk+kCEOC/Ivvn3iR/raV5z4O3iLAOehT 1F02khpRBH/GLxmXx8950sQ20HAsRFdRFx/yt23wdtRQE25yyVUmEQYPca8gvmEPqjGu0AS5SLlpJH bfJPsHAfOdPRqt8vemcecOnMj/GJ9LFfyeXDwwydqnIlQ= X-Developer-Key: i=andrzej.hajda@intel.com; a=openpgp; fpr=FCA8443134DDBF5DE17F034D2362B293DE10FDD7 X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Implement tooling for building shaders for specific generations. The library allows you to build and run shader from precompiled blocks and provides an abstraction layer over gpgpu pipeline. Signed-off-by: Dominik Grzegorzek Signed-off-by: Christoph Manszewski Signed-off-by: Andrzej Hajda --- lib/gpgpu_shader.c | 211 +++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/gpgpu_shader.h | 38 ++++++++++ lib/meson.build | 1 + 3 files changed, 250 insertions(+) diff --git a/lib/gpgpu_shader.c b/lib/gpgpu_shader.c new file mode 100644 index 000000000000..d14301789421 --- /dev/null +++ b/lib/gpgpu_shader.c @@ -0,0 +1,211 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2024 Intel Corporation + * + * Author: Dominik Grzegorzek + */ + +#include + +#include "ioctl_wrappers.h" +#include "gpgpu_shader.h" +#include "gpu_cmds.h" + +#define SUPPORTED_GEN_VER 1200 /* Support TGL and up */ + +#define PAGE_SIZE 4096 +#define BATCH_STATE_SPLIT 2048 +/* VFE STATE params */ +#define THREADS (1 << 16) /* max value */ +#define GEN8_GPGPU_URB_ENTRIES 1 +#define GPGPU_URB_SIZE 0 +#define GPGPU_CURBE_SIZE 0 +#define GEN7_VFE_STATE_GPGPU_MODE 1 + +static uint32_t fill_sip(struct intel_bb *ibb, + const uint32_t sip[][4], + const size_t size) +{ + uint32_t *sip_dst; + uint32_t offset; + + intel_bb_ptr_align(ibb, 16); + sip_dst = intel_bb_ptr(ibb); + offset = intel_bb_offset(ibb); + + memcpy(sip_dst, sip, size); + + intel_bb_ptr_add(ibb, size); + + return offset; +} + +static void emit_sip(struct intel_bb *ibb, const uint64_t offset) +{ + intel_bb_out(ibb, GEN4_STATE_SIP | (3 - 2)); + intel_bb_out(ibb, lower_32_bits(offset)); + intel_bb_out(ibb, upper_32_bits(offset)); +} + +static void +__xelp_gpgpu_execfunc(struct intel_bb *ibb, + struct intel_buf *target, + unsigned int x_dim, unsigned int y_dim, + struct gpgpu_shader *shdr, + struct gpgpu_shader *sip, + uint64_t ring, bool explicit_engine) +{ + uint32_t interface_descriptor, sip_offset; + uint64_t engine; + + intel_bb_add_intel_buf(ibb, target, true); + + intel_bb_ptr_set(ibb, BATCH_STATE_SPLIT); + + interface_descriptor = gen8_fill_interface_descriptor(ibb, target, + shdr->instr, + 4 * shdr->size); + + if (sip && sip->size) + sip_offset = fill_sip(ibb, sip->instr, 4 * sip->size); + else + sip_offset = 0; + + intel_bb_ptr_set(ibb, 0); + + /* GPGPU pipeline */ + intel_bb_out(ibb, GEN7_PIPELINE_SELECT | GEN9_PIPELINE_SELECTION_MASK | + PIPELINE_SELECT_GPGPU); + + gen9_emit_state_base_address(ibb); + + xelp_emit_vfe_state(ibb, THREADS, GEN8_GPGPU_URB_ENTRIES, + GPGPU_URB_SIZE, GPGPU_CURBE_SIZE, true); + + gen7_emit_interface_descriptor_load(ibb, interface_descriptor); + + if (sip_offset) + emit_sip(ibb, sip_offset); + + gen8_emit_gpgpu_walk(ibb, 0, 0, x_dim * 16, y_dim); + + intel_bb_out(ibb, MI_BATCH_BUFFER_END); + intel_bb_ptr_align(ibb, 32); + + engine = explicit_engine ? ring : I915_EXEC_DEFAULT; + intel_bb_exec(ibb, intel_bb_offset(ibb), + engine | I915_EXEC_NO_RELOC, false); +} + +static void +__xehp_gpgpu_execfunc(struct intel_bb *ibb, + struct intel_buf *target, + unsigned int x_dim, unsigned int y_dim, + struct gpgpu_shader *shdr, + struct gpgpu_shader *sip, + uint64_t ring, bool explicit_engine) +{ + struct xehp_interface_descriptor_data idd; + uint32_t sip_offset; + uint64_t engine; + + intel_bb_add_intel_buf(ibb, target, true); + + intel_bb_ptr_set(ibb, BATCH_STATE_SPLIT); + + xehp_fill_interface_descriptor(ibb, target, shdr->instr, + 4 * shdr->size, &idd); + + if (sip && sip->size) + sip_offset = fill_sip(ibb, sip->instr, 4 * sip->size); + else + sip_offset = 0; + + intel_bb_ptr_set(ibb, 0); + + /* GPGPU pipeline */ + intel_bb_out(ibb, GEN7_PIPELINE_SELECT | GEN9_PIPELINE_SELECTION_MASK | + PIPELINE_SELECT_GPGPU); + xehp_emit_state_base_address(ibb); + xehp_emit_state_compute_mode(ibb); + xehp_emit_state_binding_table_pool_alloc(ibb); + xehp_emit_cfe_state(ibb, THREADS); + + if (sip_offset) + emit_sip(ibb, sip_offset); + + xehp_emit_compute_walk(ibb, 0, 0, x_dim * 16, y_dim, &idd, 0x0); + + intel_bb_out(ibb, MI_BATCH_BUFFER_END); + intel_bb_ptr_align(ibb, 32); + + engine = explicit_engine ? ring : I915_EXEC_DEFAULT; + intel_bb_exec(ibb, intel_bb_offset(ibb), + engine | I915_EXEC_NO_RELOC, false); + +} + +/** + * gpgpu_shader_exec: + * @ibb: pointer to initialized intel_bb + * @target: pointer to initialized intel_buf to be written by shader/sip + * @x_dim: gpgpu/compute walker thread group width + * @y_dim: gpgpu/compute walker thread group height + * @shdr: shader to be executed + * @sip: sip to be executed, can be NULL + * @ring: engine index + * @explicit_engine: whether to use provided engine index + * + * Execute provided shader in asynchronous fashion. To wait for completion, + * caller has to use the provided ibb handle. + */ +void gpgpu_shader_exec(struct intel_bb *ibb, + struct intel_buf *target, + unsigned int x_dim, unsigned int y_dim, + struct gpgpu_shader *shdr, + struct gpgpu_shader *sip, + uint64_t ring, bool explicit_engine) +{ + igt_require(shdr->gen_ver >= SUPPORTED_GEN_VER); + igt_assert(ibb->size >= PAGE_SIZE); + igt_assert(ibb->ptr == ibb->batch); + + if (shdr->gen_ver >= 1250) + __xehp_gpgpu_execfunc(ibb, target, x_dim, y_dim, shdr, sip, + ring, explicit_engine); + else + __xelp_gpgpu_execfunc(ibb, target, x_dim, y_dim, shdr, sip, + ring, explicit_engine); +} + +/** + * gpgpu_shader_create: + * @fd: drm fd - i915 or xe + * + * Creates empty shader. + * + * Returns: pointer to empty shader struct. + */ +struct gpgpu_shader *gpgpu_shader_create(int fd) +{ + struct gpgpu_shader *shdr = calloc(1, sizeof(struct gpgpu_shader)); + const struct intel_device_info *info; + + info = intel_get_device_info(intel_get_drm_devid(fd)); + shdr->gen_ver = 100 * info->graphics_ver + info->graphics_rel; + shdr->max_size = 16 * 4; + shdr->code = malloc(4 * shdr->max_size); + return shdr; +} + +/** + * gpgpu_shader_destroy: + * @shdr: pointer to shader struct created with 'gpgpu_shader_create' + * + * Frees resources of gpgpu_shader struct. + */ +void gpgpu_shader_destroy(struct gpgpu_shader *shdr) +{ + free(shdr->code); + free(shdr); +} diff --git a/lib/gpgpu_shader.h b/lib/gpgpu_shader.h new file mode 100644 index 000000000000..02f6f1aad1e3 --- /dev/null +++ b/lib/gpgpu_shader.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2024 Intel Corporation + */ + +#ifndef GPGPU_SHADER_H +#define GPGPU_SHADER_H + +#include +#include +#include + +struct intel_bb; +struct intel_buf; + +struct gpgpu_shader { + uint32_t gen_ver; + uint32_t size; + uint32_t max_size; + union { + uint32_t *code; + uint32_t (*instr)[4]; + }; +}; + +struct gpgpu_shader *gpgpu_shader_create(int fd); +void gpgpu_shader_destroy(struct gpgpu_shader *shdr); + +void gpgpu_shader_dump(struct gpgpu_shader *shdr); + +void gpgpu_shader_exec(struct intel_bb *ibb, + struct intel_buf *target, + unsigned int x_dim, unsigned int y_dim, + struct gpgpu_shader *shdr, + struct gpgpu_shader *sip, + uint64_t ring, bool explicit_engine); + +#endif /* GPGPU_SHADER_H */ diff --git a/lib/meson.build b/lib/meson.build index e2f740c116f8..0a3084f8aea2 100644 --- a/lib/meson.build +++ b/lib/meson.build @@ -72,6 +72,7 @@ lib_sources = [ 'media_spin.c', 'media_fill.c', 'gpgpu_fill.c', + 'gpgpu_shader.c', 'gpu_cmds.c', 'rendercopy_i915.c', 'rendercopy_i830.c', -- 2.34.1