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 3792EC531DC for ; Tue, 20 Aug 2024 16:14:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E8E4E10E448; Tue, 20 Aug 2024 16:14:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="DXgENS46"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC44510E448 for ; Tue, 20 Aug 2024 16:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724170456; x=1755706456; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=vlLxejA9u9fYjdzOGSZC/DJfE5fs2pQqwpCK5IQsc9M=; b=DXgENS465AIDUNn/Fc0/EM+BZSg+fM6bRk5zsJ0z33YPJ19iKBArDZJj AJk21M+DJ2SgazfB08HF4d3I0oWnN5GkUGI7Iuj1ox7WZbogANnVqd+rO DdaOu47+PjjgcexqUm/lqU4qFgpN5HerijgdZ9U1i3EuR4QTIpiyTa1OO /VwHmQEtHnO4Qt6KxImYIlPQYYxn0SERicFB/rHCGP//9ihA5XzcArn/g s4nZbmrRsGRJUx3uHNLxfhuA0yEYPYLGFIPBJdPzu0RerD/g98kDvl4rL qEIIUtjh6JDYayLVDrnIH0p1htfxGdHJDSAW/UtzhQJT3LKA95Mu2nKgK Q==; X-CSE-ConnectionGUID: D87FaaAlTIiMdW5nI0PITQ== X-CSE-MsgGUID: oHLrJMGLQRK7sxOe/6sOrw== X-IronPort-AV: E=McAfee;i="6700,10204,11170"; a="39989936" X-IronPort-AV: E=Sophos;i="6.10,162,1719903600"; d="scan'208";a="39989936" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2024 09:14:15 -0700 X-CSE-ConnectionGUID: mKooxMG3RbmHxn7yL2RGlw== X-CSE-MsgGUID: 6xfLXRAPTLav7rQuULPt1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,162,1719903600"; d="scan'208";a="65737988" Received: from sschumil-mobl2.ger.corp.intel.com (HELO [10.245.246.191]) ([10.245.246.191]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2024 09:14:11 -0700 Message-ID: <1be506bf-8e3e-4423-9ebc-38150bb99f2e@intel.com> Date: Tue, 20 Aug 2024 18:14:07 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH i-g-t v3 04/14] lib/xe_eudebug: Introduce eu debug testing framework To: =?UTF-8?Q?Zbigniew_Kempczy=C5=84ski?= Cc: igt-dev@lists.freedesktop.org, Kamil Konieczny , Dominik Grzegorzek , Maciej Patelczyk , =?UTF-8?Q?Dominik_Karol_Pi=C4=85tkowski?= , Pawel Sikora , Andrzej Hajda , Kolanupaka Naveena , Mika Kuoppala , Gwan-gyeong Mun , Mika Kuoppala , Karolina Stolarek References: <20240809123813.109365-1-christoph.manszewski@intel.com> <20240809123813.109365-5-christoph.manszewski@intel.com> <20240820081446.3me2errug45y62h5@zkempczy-mobl2> Content-Language: en-US From: "Manszewski, Christoph" Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 In-Reply-To: <20240820081446.3me2errug45y62h5@zkempczy-mobl2> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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" Hi Zbigniew, On 20.08.2024 10:14, Zbigniew Kempczyński wrote: > On Fri, Aug 09, 2024 at 02:38:03PM +0200, Christoph Manszewski wrote: >> From: Dominik Grzegorzek >> >> Introduce library which simplifies testing of eu debug capability. >> The library provides event log helpers together with asynchronous >> abstraction for client proccess and the debugger itself. >> >> xe_eudebug_client creates its own proccess with user's work function, >> and gives machanisms to synchronize beginning of execution and event >> logging. >> >> xe_eudebug_debugger allows to attach to the given proccess, provides >> asynchronous thread for event reading and introduces triggers - >> a callback mechanism triggered every time subscribed event was read. >> >> Signed-off-by: Dominik Grzegorzek >> Signed-off-by: Mika Kuoppala >> Signed-off-by: Christoph Manszewski >> Signed-off-by: Maciej Patelczyk >> Signed-off-by: Pawel Sikora >> Signed-off-by: Karolina Stolarek >> --- >> lib/meson.build | 1 + >> lib/xe/xe_eudebug.c | 2192 +++++++++++++++++++++++++++++++++++++++++++ >> lib/xe/xe_eudebug.h | 206 ++++ >> 3 files changed, 2399 insertions(+) >> create mode 100644 lib/xe/xe_eudebug.c >> create mode 100644 lib/xe/xe_eudebug.h >> >> diff --git a/lib/meson.build b/lib/meson.build >> index f711e60a7..969ca4101 100644 >> --- a/lib/meson.build >> +++ b/lib/meson.build >> @@ -111,6 +111,7 @@ lib_sources = [ >> 'igt_msm.c', >> 'igt_dsc.c', >> 'xe/xe_gt.c', >> + 'xe/xe_eudebug.c', >> 'xe/xe_ioctl.c', >> 'xe/xe_mmio.c', >> 'xe/xe_query.c', > > As eudebug is quite big feature I think it should be separated and > hidden behind a feature flag (check meson_options.txt), lets say > 'xe_eudebug' which would be disabled by default. This way you can > develop it upstream even if kernel side is not officially merged. > I'm pragramatic and I see no reason to block not accepted feature > especially this would imo speed up developement. A final step when > kernel change would be accepted and merged would be to sync with > uapi and remove local definitions. > > I look forward maintainers comments is my attitude acceptable. I agree that it is a good idea. The only problem that arises is for 'xe_exec_sip'. We add a dependency on eudebug to this test - any ideas how to approach this correctly? The only thing that comes to my mind is conditional compilation with 'ifdef' statements but it doesn't appear to be pretty. Thanks, Christoph > > -- > Zbigniew > > >> diff --git a/lib/xe/xe_eudebug.c b/lib/xe/xe_eudebug.c >> new file mode 100644 >> index 000000000..4eac87476 >> --- /dev/null >> +++ b/lib/xe/xe_eudebug.c >> @@ -0,0 +1,2192 @@ >> +// SPDX-License-Identifier: MIT >> +/* >> + * Copyright © 2023 Intel Corporation >> + */ >> + >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> + >> +#include "igt.h" >> +#include "igt_sysfs.h" >> +#include "intel_pat.h" >> +#include "xe_eudebug.h" >> +#include "xe_ioctl.h" >> + >> +struct event_trigger { >> + xe_eudebug_trigger_fn fn; >> + int type; >> + struct igt_list_head link; >> +}; >> + >> +struct seqno_list_entry { >> + struct igt_list_head link; >> + uint64_t seqno; >> +}; >> + >> +struct match_dto { >> + struct drm_xe_eudebug_event *target; >> + struct igt_list_head *seqno_list; >> + uint64_t client_handle; >> + uint32_t filter; >> + >> + /* store latest 'EVENT_VM_BIND' seqno */ >> + uint64_t *bind_seqno; >> + /* latest vm_bind_op seqno matching bind_seqno */ >> + uint64_t *bind_op_seqno; >> +}; >> + >> +#define CLIENT_PID 1 >> +#define CLIENT_RUN 2 >> +#define CLIENT_FINI 3 >> +#define CLIENT_STOP 4 >> +#define CLIENT_STAGE 5 >> +#define DEBUGGER_STAGE 6 >> + >> +#define DEBUGGER_WORKER_INACTIVE 0 >> +#define DEBUGGER_WORKER_ACTIVE 1 >> +#define DEBUGGER_WORKER_QUITTING 2 >> + >> +static const char *type_to_str(unsigned int type) >> +{ >> + switch (type) { >> + case DRM_XE_EUDEBUG_EVENT_NONE: >> + return "none"; >> + case DRM_XE_EUDEBUG_EVENT_READ: >> + return "read"; >> + case DRM_XE_EUDEBUG_EVENT_OPEN: >> + return "client"; >> + case DRM_XE_EUDEBUG_EVENT_VM: >> + return "vm"; >> + case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: >> + return "exec_queue"; >> + case DRM_XE_EUDEBUG_EVENT_EU_ATTENTION: >> + return "attention"; >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND: >> + return "vm_bind"; >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: >> + return "vm_bind_op"; >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE: >> + return "vm_bind_ufence"; >> + case DRM_XE_EUDEBUG_EVENT_METADATA: >> + return "metadata"; >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: >> + return "vm_bind_op_metadata"; >> + } >> + >> + return "UNKNOWN"; >> +} >> + >> +static const char *event_type_to_str(struct drm_xe_eudebug_event *e, char *buf) >> +{ >> + sprintf(buf, "%s(%d)", type_to_str(e->type), e->type); >> + >> + return buf; >> +} >> + >> +static const char *flags_to_str(unsigned int flags) >> +{ >> + if (flags & DRM_XE_EUDEBUG_EVENT_CREATE) { >> + if (flags & DRM_XE_EUDEBUG_EVENT_NEED_ACK) >> + return "create|ack"; >> + else >> + return "create"; >> + } >> + if (flags & DRM_XE_EUDEBUG_EVENT_DESTROY) >> + return "destroy"; >> + >> + if (flags & DRM_XE_EUDEBUG_EVENT_STATE_CHANGE) >> + return "state-change"; >> + >> + igt_assert(!(flags & DRM_XE_EUDEBUG_EVENT_NEED_ACK)); >> + >> + return "flags unknown"; >> +} >> + >> +static const char *event_members_to_str(struct drm_xe_eudebug_event *e, char *b) >> +{ >> + switch (e->type) { >> + case DRM_XE_EUDEBUG_EVENT_OPEN: { >> + struct drm_xe_eudebug_event_client *ec = (struct drm_xe_eudebug_event_client *)e; >> + >> + sprintf(b, "handle=%llu", ec->client_handle); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM: { >> + struct drm_xe_eudebug_event_vm *evm = (struct drm_xe_eudebug_event_vm *)e; >> + >> + sprintf(b, "client_handle=%llu, handle=%llu", >> + evm->client_handle, evm->vm_handle); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: { >> + struct drm_xe_eudebug_event_exec_queue *ee = (void *)e; >> + >> + sprintf(b, "client_handle=%llu, vm_handle=%llu, " >> + "exec_queue_handle=%llu, engine_class=%d, exec_queue_width=%d", >> + ee->client_handle, ee->vm_handle, >> + ee->exec_queue_handle, ee->engine_class, ee->width); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_EU_ATTENTION: { >> + struct drm_xe_eudebug_event_eu_attention *ea = (void *)e; >> + >> + sprintf(b, "client_handle=%llu, exec_queue_handle=%llu, " >> + "lrc_handle=%llu, bitmask_size=%d", >> + ea->client_handle, ea->exec_queue_handle, >> + ea->lrc_handle, ea->bitmask_size); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND: { >> + struct drm_xe_eudebug_event_vm_bind *evmb = (void *)e; >> + >> + sprintf(b, "client_handle=%llu, vm_handle=%llu, flags=0x%x, num_binds=%u", >> + evmb->client_handle, evmb->vm_handle, evmb->flags, evmb->num_binds); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: { >> + struct drm_xe_eudebug_event_vm_bind_op *op = (void *)e; >> + >> + sprintf(b, "vm_bind_ref_seqno=%lld, addr=%016llx, range=%llu num_extensions=%llu", >> + op->vm_bind_ref_seqno, op->addr, op->range, op->num_extensions); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE: { >> + struct drm_xe_eudebug_event_vm_bind_ufence *f = (void *)e; >> + >> + sprintf(b, "vm_bind_ref_seqno=%lld", f->vm_bind_ref_seqno); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_METADATA: { >> + struct drm_xe_eudebug_event_metadata *em = (void *)e; >> + >> + sprintf(b, "client_handle=%llu, metadata_handle=%llu, type=%llu, len=%llu", >> + em->client_handle, em->metadata_handle, em->type, em->len); >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: { >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *op = (void *)e; >> + >> + sprintf(b, "vm_bind_op_ref_seqno=%lld, metadata_handle=%llu, metadata_cookie=%llu", >> + op->vm_bind_op_ref_seqno, op->metadata_handle, op->metadata_cookie); >> + break; >> + } >> + default: >> + strcpy(b, "<...>"); >> + } >> + >> + return b; >> +} >> + >> +/** >> + * xe_eudebug_event_to_str: >> + * @e: pointer to event >> + * @buf: target to write string representation of @e >> + * @len: size of target buffer @buf >> + * >> + * Creates string representation for given event. >> + * >> + * Returns: the written input buffer pointed by @buf. >> + */ >> +const char *xe_eudebug_event_to_str(struct drm_xe_eudebug_event *e, char *buf, size_t len) >> +{ >> + char a[256]; >> + char b[256]; >> + >> + snprintf(buf, len, "(%llu) %15s:%s: %s", >> + e->seqno, >> + event_type_to_str(e, a), >> + flags_to_str(e->flags), >> + event_members_to_str(e, b)); >> + >> + return buf; >> +} >> + >> +static void catch_child_failure(void) >> +{ >> + pid_t pid; >> + int status; >> + >> + pid = waitpid(-1, &status, WNOHANG); >> + >> + if (pid == 0 || pid == -1) >> + return; >> + >> + if (!WIFEXITED(status)) >> + return; >> + >> + igt_assert_f(WEXITSTATUS(status) == 0, "Client failed!\n"); >> +} >> + >> +static int safe_pipe_read(int pipe[2], void *buf, int nbytes, int timeout_ms) >> +{ >> + int ret; >> + int t = 0; >> + struct pollfd fd = { >> + .fd = pipe[0], >> + .events = POLLIN, >> + .revents = 0 >> + }; >> + >> + /* When child fails we may get stuck forever. Check whether >> + * the child process ended with an error. >> + */ >> + do { >> + const int interval_ms = 1000; >> + >> + ret = poll(&fd, 1, interval_ms); >> + >> + if (!ret) { >> + catch_child_failure(); >> + t += interval_ms; >> + } >> + } while (!ret && t < timeout_ms); >> + >> + if (ret > 0) >> + return read(pipe[0], buf, nbytes); >> + >> + return 0; >> +} >> + >> +static uint64_t pipe_read(int pipe[2], int timeout_ms) >> +{ >> + uint64_t in; >> + uint64_t ret; >> + >> + ret = safe_pipe_read(pipe, &in, sizeof(in), timeout_ms); >> + igt_assert(ret == sizeof(in)); >> + >> + return in; >> +} >> + >> +static void pipe_signal(int pipe[2], uint64_t token) >> +{ >> + igt_assert(write(pipe[1], &token, sizeof(token)) == sizeof(token)); >> +} >> + >> +static void pipe_close(int pipe[2]) >> +{ >> + if (pipe[0] != -1) >> + close(pipe[0]); >> + >> + if (pipe[1] != -1) >> + close(pipe[1]); >> +} >> + >> +static uint64_t __wait_token(int p[2], const uint64_t token, int timeout_ms) >> +{ >> + uint64_t in; >> + >> + in = pipe_read(p, timeout_ms); >> + >> + igt_assert_eq(in, token); >> + >> + return pipe_read(p, timeout_ms); >> +} >> + >> +static uint64_t client_wait_token(struct xe_eudebug_client *c, >> + const uint64_t token) >> +{ >> + return __wait_token(c->p_in, token, c->timeout_ms); >> +} >> + >> +static uint64_t wait_from_client(struct xe_eudebug_client *c, >> + const uint64_t token) >> +{ >> + return __wait_token(c->p_out, token, c->timeout_ms); >> +} >> + >> +static void token_signal(int p[2], const uint64_t token, const uint64_t value) >> +{ >> + pipe_signal(p, token); >> + pipe_signal(p, value); >> +} >> + >> +static void client_signal(struct xe_eudebug_client *c, >> + const uint64_t token, >> + const uint64_t value) >> +{ >> + token_signal(c->p_out, token, value); >> +} >> + >> +static int __xe_eudebug_connect(int fd, pid_t pid, uint32_t flags, uint64_t events) >> +{ >> + struct drm_xe_eudebug_connect param = { >> + .pid = pid, >> + .flags = flags, >> + }; >> + int debugfd; >> + >> + debugfd = igt_ioctl(fd, DRM_IOCTL_XE_EUDEBUG_CONNECT, ¶m); >> + >> + if (debugfd < 0) >> + return -errno; >> + >> + return debugfd; >> +} >> + >> +static void event_log_write_to_fd(struct xe_eudebug_event_log *l, int fd) >> +{ >> + igt_assert_eq(write(fd, &l->head, sizeof(l->head)), >> + sizeof(l->head)); >> + >> + igt_assert_eq(write(fd, l->log, l->head), l->head); >> +} >> + >> +static void read_all(int fd, void *buf, size_t nbytes) >> +{ >> + ssize_t remaining_size = nbytes; >> + ssize_t current_size = 0; >> + ssize_t read_size = 0; >> + >> + do { >> + read_size = read(fd, buf + current_size, remaining_size); >> + igt_assert_f(read_size >= 0, "read failed: %s\n", strerror(errno)); >> + >> + current_size += read_size; >> + remaining_size -= read_size; >> + } while (remaining_size > 0 && read_size > 0); >> + >> + igt_assert_eq(current_size, nbytes); >> +} >> + >> +static void event_log_read_from_fd(struct xe_eudebug_event_log *l, int fd) >> +{ >> + read_all(fd, &l->head, sizeof(l->head)); >> + igt_assert_lt(l->head, l->max_size); >> + >> + read_all(fd, l->log, l->head); >> +} >> + >> +typedef int (*cmp_fn_t)(struct drm_xe_eudebug_event *, void *); >> + >> +static struct drm_xe_eudebug_event * >> +event_cmp(struct xe_eudebug_event_log *l, >> + struct drm_xe_eudebug_event *current, >> + cmp_fn_t match, >> + void *data) >> +{ >> + struct drm_xe_eudebug_event *e = current; >> + >> + xe_eudebug_for_each_event(e, l) { >> + if (match(e, data)) >> + return e; >> + } >> + >> + return NULL; >> +} >> + >> +static int match_type_and_flags(struct drm_xe_eudebug_event *a, void *data) >> +{ >> + struct drm_xe_eudebug_event *b = data; >> + >> + if (a->type == b->type && >> + a->flags == b->flags) >> + return 1; >> + >> + return 0; >> +} >> + >> +static int match_fields(struct drm_xe_eudebug_event *a, void *data) >> +{ >> + struct drm_xe_eudebug_event *b = data; >> + int ret = 0; >> + >> + ret = match_type_and_flags(a, data); >> + if (!ret) >> + return ret; >> + >> + ret = 0; >> + >> + switch (a->type) { >> + case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: { >> + struct drm_xe_eudebug_event_exec_queue *ae = (void *)a; >> + struct drm_xe_eudebug_event_exec_queue *be = (void *)b; >> + >> + if (ae->engine_class == be->engine_class && ae->width == be->width) >> + ret = 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND: { >> + struct drm_xe_eudebug_event_vm_bind *ea = (void *)a; >> + struct drm_xe_eudebug_event_vm_bind *eb = (void *)b; >> + >> + if (ea->num_binds == eb->num_binds) >> + ret = 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: { >> + struct drm_xe_eudebug_event_vm_bind_op *ea = (void *)a; >> + struct drm_xe_eudebug_event_vm_bind_op *eb = (void *)b; >> + >> + if (ea->addr == eb->addr && ea->range == eb->range && >> + ea->num_extensions == eb->num_extensions) >> + ret = 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: { >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *ea = (void *)a; >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *eb = (void *)b; >> + >> + if (ea->metadata_handle == eb->metadata_handle && >> + ea->metadata_cookie == eb->metadata_cookie) >> + ret = 1; >> + break; >> + } >> + >> + default: >> + ret = 1; >> + break; >> + } >> + >> + return ret; >> +} >> + >> +static int match_client_handle(struct drm_xe_eudebug_event *e, void *data) >> +{ >> + struct match_dto *md = (void *)data; >> + uint64_t *bind_seqno = md->bind_seqno; >> + uint64_t *bind_op_seqno = md->bind_op_seqno; >> + uint64_t h = md->client_handle; >> + >> + if (XE_EUDEBUG_EVENT_IS_FILTERED(e->type, md->filter)) >> + return 0; >> + >> + switch (e->type) { >> + case DRM_XE_EUDEBUG_EVENT_OPEN: { >> + struct drm_xe_eudebug_event_client *client = (struct drm_xe_eudebug_event_client *)e; >> + >> + if (client->client_handle == h) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM: { >> + struct drm_xe_eudebug_event_vm *vm = (struct drm_xe_eudebug_event_vm *)e; >> + >> + if (vm->client_handle == h) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: { >> + struct drm_xe_eudebug_event_exec_queue *ee = (struct drm_xe_eudebug_event_exec_queue *)e; >> + >> + if (ee->client_handle == h) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND: { >> + struct drm_xe_eudebug_event_vm_bind *evmb = (struct drm_xe_eudebug_event_vm_bind *)e; >> + >> + if (evmb->client_handle == h) { >> + *bind_seqno = evmb->base.seqno; >> + return 1; >> + } >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: { >> + struct drm_xe_eudebug_event_vm_bind_op *eo = (struct drm_xe_eudebug_event_vm_bind_op *)e; >> + >> + if (eo->vm_bind_ref_seqno == *bind_seqno) { >> + *bind_op_seqno = eo->base.seqno; >> + return 1; >> + } >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE: { >> + struct drm_xe_eudebug_event_vm_bind_ufence *ef = (struct drm_xe_eudebug_event_vm_bind_ufence *)e; >> + >> + if (ef->vm_bind_ref_seqno == *bind_seqno) >> + return 1; >> + >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_METADATA: { >> + struct drm_xe_eudebug_event_metadata *em = (struct drm_xe_eudebug_event_metadata *)e; >> + >> + if (em->client_handle == h) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: { >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *eo = (struct drm_xe_eudebug_event_vm_bind_op_metadata *)e; >> + >> + if (eo->vm_bind_op_ref_seqno == *bind_op_seqno) >> + return 1; >> + break; >> + } >> + default: >> + break; >> + } >> + >> + return 0; >> +} >> + >> +static int match_opposite_resource(struct drm_xe_eudebug_event *e, void *data) >> +{ >> + >> + struct drm_xe_eudebug_event *d = (void *)data; >> + int ret; >> + >> + d->flags ^= DRM_XE_EUDEBUG_EVENT_CREATE | DRM_XE_EUDEBUG_EVENT_DESTROY; >> + d->flags &= ~(DRM_XE_EUDEBUG_EVENT_NEED_ACK); >> + ret = match_type_and_flags(e, data); >> + d->flags ^= DRM_XE_EUDEBUG_EVENT_CREATE | DRM_XE_EUDEBUG_EVENT_DESTROY; >> + >> + if (!ret) >> + return 0; >> + >> + switch (e->type) { >> + case DRM_XE_EUDEBUG_EVENT_OPEN: { >> + struct drm_xe_eudebug_event_client *client = (struct drm_xe_eudebug_event_client *)e; >> + struct drm_xe_eudebug_event_client *filter = (struct drm_xe_eudebug_event_client *)data; >> + >> + if (client->client_handle == filter->client_handle) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM: { >> + struct drm_xe_eudebug_event_vm *vm = (struct drm_xe_eudebug_event_vm *)e; >> + struct drm_xe_eudebug_event_vm *filter = (struct drm_xe_eudebug_event_vm *)data; >> + >> + if (vm->vm_handle == filter->vm_handle) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: { >> + struct drm_xe_eudebug_event_exec_queue *ee = (void *)e; >> + struct drm_xe_eudebug_event_exec_queue *filter = (struct drm_xe_eudebug_event_exec_queue *)data; >> + >> + if (ee->exec_queue_handle == filter->exec_queue_handle) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND: { >> + struct drm_xe_eudebug_event_vm_bind *evmb = (void *)e; >> + struct drm_xe_eudebug_event_vm_bind *filter = (struct drm_xe_eudebug_event_vm_bind *)data; >> + >> + if (evmb->vm_handle == filter->vm_handle && >> + evmb->num_binds == filter->num_binds) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: { >> + struct drm_xe_eudebug_event_vm_bind_op *avmb = (void *)e; >> + struct drm_xe_eudebug_event_vm_bind_op *filter = (struct drm_xe_eudebug_event_vm_bind_op *)data; >> + >> + if (avmb->addr == filter->addr && >> + avmb->range == filter->range) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_METADATA: { >> + struct drm_xe_eudebug_event_metadata *em = (void *)e; >> + struct drm_xe_eudebug_event_metadata *filter = (struct drm_xe_eudebug_event_metadata *)data; >> + >> + if (em->metadata_handle == filter->metadata_handle) >> + return 1; >> + break; >> + } >> + case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: { >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *avmb = (void *)e; >> + struct drm_xe_eudebug_event_vm_bind_op_metadata *filter = (struct drm_xe_eudebug_event_vm_bind_op_metadata *)data; >> + >> + if (avmb->metadata_handle == filter->metadata_handle && >> + avmb->metadata_cookie == filter->metadata_cookie) >> + return 1; >> + break; >> + } >> + >> + default: >> + break; >> + } >> + return 0; >> +} >> + >> +static int match_full(struct drm_xe_eudebug_event *e, void *data) >> +{ >> + struct seqno_list_entry *sl; >> + >> + struct match_dto *md = (void *)data; >> + int ret = 0; >> + >> + ret = match_client_handle(e, md); >> + if (!ret) >> + return 0; >> + >> + ret = match_fields(e, md->target); >> + if (!ret) >> + return 0; >> + >> + igt_list_for_each_entry(sl, md->seqno_list, link) { >> + if (sl->seqno == e->seqno) >> + return 0; >> + } >> + >> + return 1; >> +} >> + >> +static struct drm_xe_eudebug_event * >> +event_type_match(struct xe_eudebug_event_log *l, >> + struct drm_xe_eudebug_event *target, >> + struct drm_xe_eudebug_event *current) >> +{ >> + return event_cmp(l, current, match_type_and_flags, target); >> +} >> + >> +static struct drm_xe_eudebug_event * >> +client_match(struct xe_eudebug_event_log *l, >> + uint64_t client_handle, >> + struct drm_xe_eudebug_event *current, >> + uint32_t filter, >> + uint64_t *bind_seqno, >> + uint64_t *bind_op_seqno) >> +{ >> + struct match_dto md = { >> + .client_handle = client_handle, >> + .filter = filter, >> + .bind_seqno = bind_seqno, >> + .bind_op_seqno = bind_op_seqno, >> + }; >> + >> + return event_cmp(l, current, match_client_handle, &md); >> +} >> + >> +static struct drm_xe_eudebug_event * >> +opposite_event_match(struct xe_eudebug_event_log *l, >> + struct drm_xe_eudebug_event *target, >> + struct drm_xe_eudebug_event *current) >> +{ >> + return event_cmp(l, current, match_opposite_resource, target); >> +} >> + >> +static struct drm_xe_eudebug_event * >> +event_match(struct xe_eudebug_event_log *l, >> + struct drm_xe_eudebug_event *target, >> + uint64_t client_handle, >> + struct igt_list_head *seqno_list, >> + uint64_t *bind_seqno, >> + uint64_t *bind_op_seqno) >> +{ >> + struct match_dto md = { >> + .target = target, >> + .client_handle = client_handle, >> + .seqno_list = seqno_list, >> + .bind_seqno = bind_seqno, >> + .bind_op_seqno = bind_op_seqno, >> + }; >> + >> + return event_cmp(l, NULL, match_full, &md); >> +} >> + >> +static void compare_client(struct xe_eudebug_event_log *c, struct drm_xe_eudebug_event *_ce, >> + struct xe_eudebug_event_log *d, struct drm_xe_eudebug_event *_de, >> + uint32_t filter) >> +{ >> + struct drm_xe_eudebug_event_client *ce = (void *)_ce; >> + struct drm_xe_eudebug_event_client *de = (void *)_de; >> + uint64_t cbs = 0, dbs = 0, cbso = 0, dbso = 0; >> + >> + struct igt_list_head matched_seqno_list; >> + struct drm_xe_eudebug_event *hc, *hd; >> + struct seqno_list_entry *entry, *tmp; >> + >> + igt_assert(ce); >> + igt_assert(de); >> + >> + igt_debug("client: %llu -> %llu\n", ce->client_handle, de->client_handle); >> + >> + hc = NULL; >> + hd = NULL; >> + IGT_INIT_LIST_HEAD(&matched_seqno_list); >> + >> + do { >> + hc = client_match(c, ce->client_handle, hc, filter, &cbs, &cbso); >> + if (!hc) >> + break; >> + >> + hd = event_match(d, hc, de->client_handle, &matched_seqno_list, &dbs, &dbso); >> + >> + igt_assert_f(hd, "%s (%llu): no matching event type %u found for client %llu\n", >> + c->name, >> + hc->seqno, >> + hc->type, >> + ce->client_handle); >> + >> + igt_debug("comparing %s %llu vs %s %llu\n", >> + c->name, hc->seqno, d->name, hd->seqno); >> + >> + /* >> + * Store the seqno of the event that was matched above, >> + * inside 'matched_seqno_list', to avoid it getting matched >> + * by subsequent 'event_match' calls. >> + */ >> + entry = malloc(sizeof(*entry)); >> + entry->seqno = hd->seqno; >> + igt_list_add(&entry->link, &matched_seqno_list); >> + } while (hc); >> + >> + igt_list_for_each_entry_safe(entry, tmp, &matched_seqno_list, link) >> + free(entry); >> +} >> + >> +/** >> + * xe_eudebug_event_log_find_seqno: >> + * @l: event log pointer >> + * @seqno: seqno of event to be found >> + * >> + * Finds the event with given seqno in the event log. >> + * >> + * Returns: pointer to the event with given seqno within @l or NULL seqno is >> + * not present. >> + */ >> +struct drm_xe_eudebug_event * >> +xe_eudebug_event_log_find_seqno(struct xe_eudebug_event_log *l, uint64_t seqno) >> +{ >> + struct drm_xe_eudebug_event *e = NULL, *found = NULL; >> + >> + igt_assert_neq(seqno, 0); >> + /* >> + * Try to catch if seqno is corrupted and prevent too long tests, >> + * as our post processing of events is not optimized. >> + */ >> + igt_assert_lt(seqno, 10 * 1000 * 1000); >> + >> + xe_eudebug_for_each_event(e, l) { >> + if (e->seqno == seqno) { >> + if (found) { >> + igt_warn("Found multiple events with the same seqno %lu\n", seqno); >> + xe_eudebug_event_log_print(l, false); >> + igt_assert(!found); >> + } >> + found = e; >> + } >> + } >> + >> + return found; >> +} >> + >> +static void event_log_sort(struct xe_eudebug_event_log *l) >> +{ >> + struct xe_eudebug_event_log *tmp; >> + struct drm_xe_eudebug_event *e = NULL; >> + uint64_t first_seqno = 0; >> + uint64_t last_seqno = 0; >> + uint64_t events = 0, added = 0; >> + uint64_t i; >> + >> + xe_eudebug_for_each_event(e, l) { >> + if (e->seqno > last_seqno) >> + last_seqno = e->seqno; >> + >> + if (e->seqno < first_seqno) >> + first_seqno = e->seqno; >> + >> + events++; >> + } >> + >> + tmp = xe_eudebug_event_log_create("tmp", l->max_size); >> + >> + for (i = 1; i <= last_seqno; i++) { >> + e = xe_eudebug_event_log_find_seqno(l, i); >> + if (e) { >> + xe_eudebug_event_log_write(tmp, e); >> + added++; >> + } >> + } >> + >> + igt_assert_eq(events, added); >> + igt_assert_eq(tmp->head, l->head); >> + >> + memcpy(l->log, tmp->log, tmp->head); >> + >> + xe_eudebug_event_log_destroy(tmp); >> +} >> + >> +/** >> + * xe_eudebug_connect: >> + * @fd: Xe file descriptor >> + * @pid: client PID >> + * @flags: connection flags >> + * >> + * Opens the xe eu debugger connection to the process described by @pid >> + * >> + * Returns: 0 if the debugger was successfully attached, -errno otherwise. >> + */ >> +int xe_eudebug_connect(int fd, pid_t pid, uint32_t flags) >> +{ >> + int ret; >> + uint64_t events = 0; /* events filtering not supported yet! */ >> + >> + ret = __xe_eudebug_connect(fd, pid, flags, events); >> + >> + return ret; >> +} >> + >> +/** >> + * xe_eudebug_event_log_create: >> + * @name: event log identifier >> + * @max_size: maximum size of created log >> + * >> + * Function creates an Eu Debugger event log with size equal to @max_size. >> + * >> + * Returns: pointer to just created log >> + */ >> +#define MAX_EVENT_LOG_SIZE (32 * 1024 * 1024) >> +struct xe_eudebug_event_log *xe_eudebug_event_log_create(const char *name, unsigned int max_size) >> +{ >> + struct xe_eudebug_event_log *l; >> + >> + l = calloc(1, sizeof(*l)); >> + igt_assert(l); >> + l->log = calloc(1, max_size); >> + igt_assert(l->log); >> + l->max_size = max_size; >> + strncpy(l->name, name, sizeof(l->name) - 1); >> + pthread_mutex_init(&l->lock, NULL); >> + >> + return l; >> +} >> + >> +/** >> + * xe_eudebug_event_log_destroy: >> + * @l: event log pointer >> + * >> + * Frees given event log @l. >> + */ >> +void xe_eudebug_event_log_destroy(struct xe_eudebug_event_log *l) >> +{ >> + pthread_mutex_destroy(&l->lock); >> + free(l->log); >> + free(l); >> +} >> + >> +/** >> + * xe_eudebug_event_log_write: >> + * @l: event log pointer >> + * @e: event to be written to event log >> + * >> + * Writes event @e to the event log, thread-safe. >> + */ >> +void xe_eudebug_event_log_write(struct xe_eudebug_event_log *l, struct drm_xe_eudebug_event *e) >> +{ >> + igt_assert(e->seqno); >> + /* >> + * Try to catch if seqno is corrupted and prevent too long tests, >> + * as our post processing of events is not optimized. >> + */ >> + igt_assert_lt(e->seqno, 10 * 1000 * 1000); >> + >> + pthread_mutex_lock(&l->lock); >> + igt_assert_lt(l->head + e->len, l->max_size); >> + memcpy(l->log + l->head, e, e->len); >> + l->head += e->len; >> + >> +#ifdef DEBUG_LOG >> + igt_info("%s: wrote %u bytes to eventlog, free %u bytes\n", >> + l->name, e->len, l->max_size - l->head); >> +#endif >> + pthread_mutex_unlock(&l->lock); >> +} >> + >> +/** >> + * xe_eudebug_event_log_print: >> + * @l: event log pointer >> + * @debug: when true function uses igt_debug instead of igt_info. >> + * >> + * Prints given event log. >> + */ >> +void >> +xe_eudebug_event_log_print(struct xe_eudebug_event_log *l, bool debug) >> +{ >> + struct drm_xe_eudebug_event *e = NULL; >> + int level = debug ? IGT_LOG_DEBUG : IGT_LOG_INFO; >> + char str[XE_EUDEBUG_EVENT_STRING_MAX_LEN]; >> + >> + igt_log(IGT_LOG_DOMAIN, level, >> + "event log '%s' (%u bytes):\n", l->name, l->head); >> + >> + xe_eudebug_for_each_event(e, l) { >> + xe_eudebug_event_to_str(e, str, XE_EUDEBUG_EVENT_STRING_MAX_LEN); >> + igt_log(IGT_LOG_DOMAIN, level, "%s\n", str); >> + } >> +} >> + >> +/** >> + * xe_eudebug_event_log_compare: >> + * @a: event log pointer >> + * @b: event log pointer >> + * @filter: mask that represents events to be skipped during comparison, useful >> + * for events like 'VM_BIND' since they can be asymmetric. Note that >> + * 'DRM_XE_EUDEBUG_EVENT_OPEN' will always be matched. >> + * >> + * Compares and asserts event logs @a, @b if the event >> + * sequence matches. >> + */ >> +void xe_eudebug_event_log_compare(struct xe_eudebug_event_log *a, struct xe_eudebug_event_log *b, >> + uint32_t filter) >> +{ >> + struct drm_xe_eudebug_event *ae = NULL; >> + struct drm_xe_eudebug_event *be = NULL; >> + >> + xe_eudebug_for_each_event(ae, a) { >> + if (ae->type == DRM_XE_EUDEBUG_EVENT_OPEN && >> + ae->flags & DRM_XE_EUDEBUG_EVENT_CREATE) { >> + be = event_type_match(b, ae, be); >> + >> + compare_client(a, ae, b, be, filter); >> + compare_client(b, be, a, ae, filter); >> + } >> + } >> +} >> + >> +/** >> + * xe_eudebug_event_log_match_opposite: >> + * @l: event log pointer >> + * @filter: mask that represents events to be skipped during comparison, useful >> + * for events like 'VM_BIND' since they can be asymmetric >> + * >> + * Matches and asserts content of all opposite events (create vs destroy). >> + */ >> +void >> +xe_eudebug_event_log_match_opposite(struct xe_eudebug_event_log *l, uint32_t filter) >> +{ >> + struct drm_xe_eudebug_event *ce = NULL; >> + struct drm_xe_eudebug_event *de = NULL; >> + >> + xe_eudebug_for_each_event(ce, l) { >> + if (ce->flags & DRM_XE_EUDEBUG_EVENT_CREATE) { >> + uint8_t offset = sizeof(struct drm_xe_eudebug_event); >> + int opposite_matching; >> + >> + if (XE_EUDEBUG_EVENT_IS_FILTERED(ce->type, filter)) >> + continue; >> + >> + /* No opposite matching for binds */ >> + if ((ce->type >= DRM_XE_EUDEBUG_EVENT_VM_BIND && >> + ce->type <= DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE) || >> + ce->type == DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA) >> + continue; >> + >> + de = opposite_event_match(l, ce, ce); >> + >> + igt_assert_f(de, "no opposite event of type %u found\n", ce->type); >> + >> + igt_assert_eq(ce->len, de->len); >> + opposite_matching = memcmp((uint8_t *)de + offset, >> + (uint8_t *)ce + offset, >> + de->len - offset) == 0; >> + >> + igt_assert_f(opposite_matching, >> + "%s: create|destroy event not " >> + "maching (%llu) vs (%llu)\n", >> + l->name, de->seqno, ce->seqno); >> + } >> + } >> +} >> + >> +static void debugger_run_triggers(struct xe_eudebug_debugger *d, >> + struct drm_xe_eudebug_event *e) >> +{ >> + struct event_trigger *t; >> + >> + igt_list_for_each_entry(t, &d->triggers, link) { >> + if (e->type == t->type) >> + t->fn(d, e); >> + } >> +} >> + >> +#define MAX_EVENT_SIZE (32 * 1024) >> +static int >> +xe_eudebug_read_event(int fd, struct drm_xe_eudebug_event *event) >> +{ >> + int ret; >> + >> + event->type = DRM_XE_EUDEBUG_EVENT_READ; >> + event->flags = 0; >> + event->len = MAX_EVENT_SIZE; >> + >> + ret = igt_ioctl(fd, DRM_XE_EUDEBUG_IOCTL_READ_EVENT, event); >> + if (ret < 0) >> + return -errno; >> + >> + return ret; >> +} >> + >> +static void *debugger_worker_loop(void *data) >> +{ >> + uint8_t buf[MAX_EVENT_SIZE]; >> + struct drm_xe_eudebug_event *e = (void *)buf; >> + struct xe_eudebug_debugger *d = data; >> + struct pollfd p = { >> + .events = POLLIN, >> + .revents = 0, >> + }; >> + int timeout_ms = 100, ret; >> + >> + igt_assert(d->master_fd >= 0); >> + >> + do { >> + p.fd = d->fd; >> + ret = poll(&p, 1, timeout_ms); >> + >> + if (ret == -1) { >> + igt_info("poll failed with errno %d\n", errno); >> + break; >> + } >> + >> + if (ret == 1 && (p.revents & POLLIN)) { >> + int err = xe_eudebug_read_event(d->fd, e); >> + >> + if (!err) { >> + ++d->event_count; >> + >> + xe_eudebug_event_log_write(d->log, e); >> + debugger_run_triggers(d, e); >> + } else { >> + igt_info("xe_eudebug_read_event returned %d\n", ret); >> + } >> + } >> + } while ((ret && READ_ONCE(d->worker_state) == DEBUGGER_WORKER_QUITTING) || >> + READ_ONCE(d->worker_state) == DEBUGGER_WORKER_ACTIVE); >> + >> + d->worker_state = DEBUGGER_WORKER_INACTIVE; >> + return NULL; >> +} >> + >> +/** >> + * xe_eudebug_debugger_available: >> + * @fd: Xe file descriptor >> + * >> + * Returns: true it debugger connection is available, false otherwise. >> + */ >> +bool xe_eudebug_debugger_available(int fd) >> +{ >> + struct drm_xe_eudebug_connect param = { .pid = getpid() }; >> + int debugfd; >> + >> + debugfd = igt_ioctl(fd, DRM_IOCTL_XE_EUDEBUG_CONNECT, ¶m); >> + if (debugfd >= 0) >> + close(debugfd); >> + >> + return debugfd >= 0; >> +} >> + >> +/** >> + * xe_eudebug_debugger_create: >> + * @master_fd: xe client used to open the debugger connection >> + * @flags: flags stored in a debugger structure, can be used at will >> + * of the caller, i.e. to be used inside triggers. >> + * @data: test's private data, allocated with MAP_SHARED | MAP_ANONYMOUS, >> + * can be shared between client and debugger. Can be NULL. >> + * >> + * Returns: newly created xe_eudebug_debugger structure with its >> + * event log initialized. Note that to open the connection >> + * you need call @xe_eudebug_debugger_attach. >> + */ >> +struct xe_eudebug_debugger * >> +xe_eudebug_debugger_create(int master_fd, uint64_t flags, void *data) >> +{ >> + struct xe_eudebug_debugger *d; >> + >> + d = calloc(1, sizeof(*d)); >> + d->flags = flags; >> + igt_assert(d); >> + IGT_INIT_LIST_HEAD(&d->triggers); >> + d->log = xe_eudebug_event_log_create("debugger", MAX_EVENT_LOG_SIZE); >> + d->fd = -1; >> + d->master_fd = master_fd; >> + d->ptr = data; >> + >> + return d; >> +} >> + >> +static void debugger_destroy_triggers(struct xe_eudebug_debugger *d) >> +{ >> + struct event_trigger *t, *tmp; >> + >> + igt_list_for_each_entry_safe(t, tmp, &d->triggers, link) >> + free(t); >> +} >> + >> +/** >> + * xe_eudebug_debugger_destroy: >> + * @d: pointer to the debugger >> + * >> + * Frees xe_eudebug_debugger structure pointed by @d. If the debugger >> + * connection was still opened it terminates it. >> + */ >> +void xe_eudebug_debugger_destroy(struct xe_eudebug_debugger *d) >> +{ >> + if (d->worker_state) >> + xe_eudebug_debugger_stop_worker(d, 1); >> + >> + if (d->target_pid) >> + xe_eudebug_debugger_dettach(d); >> + >> + xe_eudebug_event_log_destroy(d->log); >> + debugger_destroy_triggers(d); >> + free(d); >> +} >> + >> +/** >> + * xe_eudebug_debugger_attach: >> + * @d: pointer to the debugger >> + * @c: pointer to the client >> + * >> + * Opens the xe eu debugger connection to the process described by @c (c->pid) >> + * >> + * Returns: 0 if the debugger was successfully attached, -errno otherwise. >> + */ >> +int xe_eudebug_debugger_attach(struct xe_eudebug_debugger *d, >> + struct xe_eudebug_client *c) >> +{ >> + int ret; >> + >> + igt_assert_eq(d->fd, -1); >> + igt_assert_neq(c->pid, 0); >> + ret = xe_eudebug_connect(d->master_fd, c->pid, 0); >> + >> + if (ret < 0) >> + return ret; >> + >> + d->fd = ret; >> + d->target_pid = c->pid; >> + d->p_client[0] = c->p_in[0]; >> + d->p_client[1] = c->p_in[1]; >> + >> + igt_debug("debugger connected to %lu\n", d->target_pid); >> + >> + return 0; >> +} >> + >> +/** >> + * xe_eudebug_debugger_dettach: >> + * @d: pointer to the debugger >> + * >> + * Closes previously opened xe eu debugger connection. Asserts if >> + * the debugger has active session. >> + */ >> +void xe_eudebug_debugger_dettach(struct xe_eudebug_debugger *d) >> +{ >> + igt_assert(d->target_pid); >> + close(d->fd); >> + d->target_pid = 0; >> + d->fd = -1; >> +} >> + >> +/** >> + * xe_eudebug_debugger_add_trigger: >> + * @d: pointer to the debugger >> + * @type: the type of the event which activates the trigger >> + * @fn: function to be called when event of @type was read by the debugger. >> + * >> + * Adds function @fn to the list of triggers activated when event of @type >> + * has been read by worker. >> + * Note: Triggers are activated by the worker. >> + */ >> +void xe_eudebug_debugger_add_trigger(struct xe_eudebug_debugger *d, >> + int type, xe_eudebug_trigger_fn fn) >> +{ >> + struct event_trigger *t; >> + >> + t = calloc(1, sizeof(*t)); >> + IGT_INIT_LIST_HEAD(&t->link); >> + t->type = type; >> + t->fn = fn; >> + >> + igt_list_add_tail(&t->link, &d->triggers); >> + igt_debug("added trigger %p\n", t); >> +} >> + >> +/** >> + * xe_eudebug_debugger_start_worker: >> + * @d: pointer to the debugger >> + * >> + * Starts the debugger worker. Worker is resposible for reading all >> + * incoming events from the debugger, put then into debugger log and >> + * execute appropriate event triggers. Note that using the debuggers >> + * event log while worker is running is not safe. >> + */ >> +void xe_eudebug_debugger_start_worker(struct xe_eudebug_debugger *d) >> +{ >> + int ret; >> + >> + d->worker_state = true; >> + ret = pthread_create(&d->worker_thread, NULL, &debugger_worker_loop, d); >> + >> + igt_assert_f(ret == 0, "Debugger worker thread creation failed!"); >> +} >> + >> +/** >> + * xe_eudebug_debugger_stop_worker: >> + * @d: pointer to the debugger >> + * >> + * Stops the debugger worker. Event log is sorted by seqno after closure. >> + */ >> +void xe_eudebug_debugger_stop_worker(struct xe_eudebug_debugger *d, >> + int timeout_s) >> +{ >> + struct timespec t = {}; >> + int ret; >> + >> + igt_assert(d->worker_state); >> + >> + d->worker_state = DEBUGGER_WORKER_QUITTING; /* First time be polite. */ >> + igt_assert_eq(clock_gettime(CLOCK_REALTIME, &t), 0); >> + t.tv_sec += timeout_s; >> + >> + ret = pthread_timedjoin_np(d->worker_thread, NULL, &t); >> + >> + if (ret == ETIMEDOUT) { >> + d->worker_state = DEBUGGER_WORKER_INACTIVE; >> + ret = pthread_join(d->worker_thread, NULL); >> + } >> + >> + igt_assert_f(ret == 0 || ret != ESRCH, >> + "pthread join failed with error %d!\n", ret); >> + >> + event_log_sort(d->log); >> +} >> + >> +/** >> + * xe_eudebug_debugger_signal_stage: >> + * @d: pointer to the debugger >> + * @stage: stage to signal >> + * >> + * Signals to client, waiting in xe_eudebug_client_wait_stage(), >> + * releasing it to proceed. >> + */ >> +void xe_eudebug_debugger_signal_stage(struct xe_eudebug_debugger *d, uint64_t stage) >> +{ >> + token_signal(d->p_client, CLIENT_STAGE, stage); >> +} >> + >> +/** >> + * xe_eudebug_debugger_wait_stage: >> + * @s: pointer to xe_eudebug_debugger structure >> + * @stage: stage to wait on >> + * >> + * Pauses debugger until the client has signalled the corresponding stage with >> + * xe_eudebug_client_signal_stage. This is only for situations where the actual >> + * event flow is not enough to coordinate between client/debugger and extra sync >> + * mechanism is needed. >> + */ >> +void xe_eudebug_debugger_wait_stage(struct xe_eudebug_session *s, uint64_t stage) >> +{ >> + u64 stage_in; >> + >> + igt_debug("debugger xe client fd: %d pausing for stage %lu\n", s->d->master_fd, stage); >> + >> + stage_in = wait_from_client(s->c, DEBUGGER_STAGE); >> + igt_debug("debugger xe client fd: %d stage %lu, expected %lu, stage\n", s->d->master_fd, >> + stage_in, stage); >> + >> + igt_assert_eq(stage_in, stage); >> +} >> + >> +/** >> + * xe_eudebug_client_create: >> + * @master_fd: xe client used to open the debugger connection >> + * @work: function that opens xe device and executes arbitrary workload >> + * @flags: flags stored in a client structure, can be used at will >> + * of the caller, i.e. to provide the @work function an additional switch. >> + * @data: test's private data, allocated with MAP_SHARED | MAP_ANONYMOUS, >> + * can be shared between client and debugger. Accesible via client->ptr. >> + * Can be NULL. >> + * >> + * Forks and creates the debugger process. @work won't be called until >> + * xe_eudebug_client_start is called. >> + * >> + * Returns: newly created xe_eudebug_debugger structure with its >> + * event log initialized. >> + */ >> +struct xe_eudebug_client *xe_eudebug_client_create(int master_fd, xe_eudebug_client_work_fn work, >> + uint64_t flags, void *data) >> +{ >> + struct xe_eudebug_client *c; >> + >> + c = calloc(1, sizeof(*c)); >> + c->flags = flags; >> + igt_assert(c); >> + igt_assert(!pipe(c->p_in)); >> + igt_assert(!pipe(c->p_out)); >> + c->seqno = 1; >> + c->log = xe_eudebug_event_log_create("client", MAX_EVENT_LOG_SIZE); >> + c->done = 0; >> + c->ptr = data; >> + c->master_fd = master_fd; >> + c->timeout_ms = XE_EUDEBUG_DEFAULT_TIMEOUT_MS; >> + >> + igt_fork(child, 1) { >> + int mypid; >> + >> + igt_assert_eq(c->pid, 0); >> + >> + close(c->p_out[0]); >> + c->p_out[0] = -1; >> + close(c->p_in[1]); >> + c->p_in[1] = -1; >> + >> + mypid = getpid(); >> + client_signal(c, CLIENT_PID, mypid); >> + >> + c->pid = client_wait_token(c, CLIENT_RUN); >> + igt_assert_eq(c->pid, mypid); >> + if (work) >> + work(c); >> + >> + client_signal(c, CLIENT_FINI, c->seqno); >> + >> + event_log_write_to_fd(c->log, c->p_out[1]); >> + >> + c->pid = client_wait_token(c, CLIENT_STOP); >> + igt_assert_eq(c->pid, mypid); >> + } >> + >> + close(c->p_out[1]); >> + c->p_out[1] = -1; >> + close(c->p_in[0]); >> + c->p_in[0] = -1; >> + >> + c->pid = wait_from_client(c, CLIENT_PID); >> + >> + igt_info("client running with pid %d\n", c->pid); >> + >> + return c; >> +} >> + >> +/** >> + * xe_eudebug_client_stop: >> + * @c: pointer to xe_eudebug_client structure >> + * >> + * Waits for the end of client's work and exits the proccess. >> + */ >> +void xe_eudebug_client_stop(struct xe_eudebug_client *c) >> +{ >> + if (c->pid) { >> + int waitstatus; >> + >> + xe_eudebug_client_wait_done(c); >> + >> + token_signal(c->p_in, CLIENT_STOP, c->pid); >> + igt_assert_eq(waitpid(c->pid, &waitstatus, 0), >> + c->pid); >> + c->pid = 0; >> + } >> +} >> + >> +/** >> + * xe_eudebug_client_destroy: >> + * @c: pointer to xe_eudebug_client structure to be freed >> + * >> + * Frees the @c client structure. Note that it calls xe_eudebug_client_stop if >> + * client proccess has not terminated yet. >> + */ >> +void xe_eudebug_client_destroy(struct xe_eudebug_client *c) >> +{ >> + xe_eudebug_client_stop(c); >> + pipe_close(c->p_in); >> + pipe_close(c->p_out); >> + xe_eudebug_event_log_destroy(c->log); >> + free(c); >> +} >> + >> +/** >> + * xe_eudebug_client_get_seqno: >> + * @c: pointer to xe_eudebug_client structure >> + * >> + * Increments and returns current seqno value of the given client @c >> + * >> + * Returns: incremented seqno >> + */ >> +uint64_t xe_eudebug_client_get_seqno(struct xe_eudebug_client *c) >> +{ >> + return c->seqno++; >> +} >> + >> +/** >> + * xe_eudebug_client_start: >> + * @c: pointer to xe_eudebug_client structure >> + * >> + * Starts execution of client's work function within the client's proccess. >> + */ >> +void xe_eudebug_client_start(struct xe_eudebug_client *c) >> +{ >> + token_signal(c->p_in, CLIENT_RUN, c->pid); >> +} >> + >> +/** >> + * xe_eudebug_client_wait_done: >> + * @c: pointer to xe_eudebug_client structure >> + * >> + * Waits for the client work end updates the event log. >> + * Doesn't terminate the client's proccess yet. >> + */ >> +void xe_eudebug_client_wait_done(struct xe_eudebug_client *c) >> +{ >> + if (!c->done) { >> + c->done = 1; >> + c->seqno = wait_from_client(c, CLIENT_FINI); >> + event_log_read_from_fd(c->log, c->p_out[0]); >> + } >> +} >> + >> +/** >> + * xe_eudebug_client_signal_stage: >> + * @c: pointer to the client >> + * @stage: stage to signal >> + * >> + * Signals to debugger, waiting in xe_eudebug_debugger_wait_stage(), >> + * releasing it to proceed. >> + */ >> +void xe_eudebug_client_signal_stage(struct xe_eudebug_client *c, uint64_t stage) >> +{ >> + token_signal(c->p_out, DEBUGGER_STAGE, stage); >> +} >> + >> +/** >> + * xe_eudebug_client_wait_stage: >> + * @c: pointer to xe_eudebug_client structure >> + * @stage: stage to wait on >> + * >> + * Pauses client until the debugger has signalled the corresponding stage with >> + * xe_eudebug_debugger_signal_stage. This is only for situations where the >> + * actual event flow is not enough to coordinate between client/debugger and extra >> + * sync mechanism is needed. >> + * >> + */ >> +void xe_eudebug_client_wait_stage(struct xe_eudebug_client *c, uint64_t stage) >> +{ >> + u64 stage_in; >> + >> + if (c->done) { >> + igt_warn("client: %d already done before %lu\n", c->pid, stage); >> + return; >> + } >> + >> + igt_debug("client: %d pausing for stage %lu\n", c->pid, stage); >> + >> + stage_in = client_wait_token(c, CLIENT_STAGE); >> + igt_debug("client: %d stage %lu, expected %lu, stage\n", c->pid, stage_in, stage); >> + >> + igt_assert_eq(stage_in, stage); >> +} >> + >> + >> +/** >> + * xe_eudebug_session_create: >> + * @fd: XE file descriptor >> + * @work: function passed to the xe_eudebug_client_create >> + * @flags: flags passed to client and debugger >> + * @test_private: test's data, allocated with MAP_SHARED | MAP_ANONYMOUS, >> + * passed to client and debugger. Can be NULL. >> + * >> + * Creates session together with client and debugger structures. >> + */ >> +struct xe_eudebug_session *xe_eudebug_session_create(int fd, >> + xe_eudebug_client_work_fn work, >> + unsigned int flags, >> + void *test_private) >> +{ >> + struct xe_eudebug_session *s; >> + >> + s = calloc(1, sizeof(*s)); >> + igt_assert(s); >> + >> + s->c = xe_eudebug_client_create(fd, work, flags, test_private); >> + s->d = xe_eudebug_debugger_create(fd, flags, test_private); >> + s->flags = flags; >> + >> + return s; >> +} >> + >> +/** >> + * xe_eudebug_session_run: >> + * @s: pointer to xe_eudebug_session structure >> + * >> + * Attaches debugger to client's proccess, starts debugger's >> + * async event reader, starts client and once client finish >> + * it stops debugger worker. >> + */ >> +void xe_eudebug_session_run(struct xe_eudebug_session *s) >> +{ >> + struct xe_eudebug_debugger *debugger = s->d; >> + struct xe_eudebug_client *client = s->c; >> + >> + igt_assert_eq(xe_eudebug_debugger_attach(debugger, client), 0); >> + >> + xe_eudebug_debugger_start_worker(debugger); >> + >> + xe_eudebug_client_start(client); >> + xe_eudebug_client_wait_done(client); >> + >> + xe_eudebug_debugger_stop_worker(debugger, 1); >> + >> + xe_eudebug_event_log_print(debugger->log, true); >> + xe_eudebug_event_log_print(client->log, true); >> +} >> + >> +/** >> + * xe_eudebug_session_check: >> + * @s: pointer to xe_eudebug_session structure >> + * @match_opposite: indicates whether check should match all >> + * create and destroy events. >> + * @filter: mask that represents events to be skipped during comparison, useful >> + * for events like 'VM_BIND' since they can be asymmetric >> + * >> + * Validate debugger's log against the log created by the client. >> + */ >> +void xe_eudebug_session_check(struct xe_eudebug_session *s, bool match_opposite, uint32_t filter) >> +{ >> + xe_eudebug_event_log_compare(s->c->log, s->d->log, filter); >> + >> + if (match_opposite) >> + xe_eudebug_event_log_match_opposite(s->d->log, filter); >> +} >> + >> +/** >> + * xe_eudebug_session_destroy: >> + * @s: pointer to xe_eudebug_session structure >> + * >> + * Destroy session together with its debugger and client. >> + */ >> +void xe_eudebug_session_destroy(struct xe_eudebug_session *s) >> +{ >> + xe_eudebug_debugger_destroy(s->d); >> + xe_eudebug_client_destroy(s->c); >> + >> + free(s); >> +} >> + >> +#define to_base(x) ((struct drm_xe_eudebug_event *)&x) >> + >> +static void base_event(struct xe_eudebug_client *c, >> + struct drm_xe_eudebug_event *e, >> + uint32_t type, >> + uint32_t flags, >> + uint64_t size) >> +{ >> + e->type = type; >> + e->flags = flags; >> + e->seqno = xe_eudebug_client_get_seqno(c); >> + e->len = size; >> +} >> + >> +static void client_event(struct xe_eudebug_client *c, uint32_t flags, int client_fd) >> +{ >> + struct drm_xe_eudebug_event_client ec; >> + >> + base_event(c, to_base(ec), DRM_XE_EUDEBUG_EVENT_OPEN, flags, sizeof(ec)); >> + >> + ec.client_handle = client_fd; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&ec); >> +} >> + >> +static void vm_event(struct xe_eudebug_client *c, uint32_t flags, int client_fd, uint32_t vm_id) >> +{ >> + struct drm_xe_eudebug_event_vm evm; >> + >> + base_event(c, to_base(evm), DRM_XE_EUDEBUG_EVENT_VM, flags, sizeof(evm)); >> + >> + evm.client_handle = client_fd; >> + evm.vm_handle = vm_id; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&evm); >> +} >> + >> +static void exec_queue_event(struct xe_eudebug_client *c, uint32_t flags, >> + int client_fd, uint32_t vm_id, >> + uint32_t exec_queue_handle, uint16_t class, >> + uint16_t width) >> +{ >> + struct drm_xe_eudebug_event_exec_queue ee; >> + >> + base_event(c, to_base(ee), DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE, >> + flags, sizeof(ee)); >> + >> + ee.client_handle = client_fd; >> + ee.vm_handle = vm_id; >> + ee.exec_queue_handle = exec_queue_handle; >> + ee.engine_class = class; >> + ee.width = width; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&ee); >> +} >> + >> +static void metadata_event(struct xe_eudebug_client *c, uint32_t flags, >> + int client_fd, uint32_t id, uint64_t type, uint64_t len) >> +{ >> + struct drm_xe_eudebug_event_metadata em; >> + >> + base_event(c, to_base(em), DRM_XE_EUDEBUG_EVENT_METADATA, >> + flags, sizeof(em)); >> + >> + em.client_handle = client_fd; >> + em.metadata_handle = id; >> + em.type = type; >> + em.len = len; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&em); >> +} >> + >> +static int enable_getset(int fd, bool *old, bool *new) >> +{ >> + static const char * const fname = "enable_eudebug"; >> + int ret = 0; >> + >> + int sysfs, device_fd; >> + bool val_before; >> + struct stat st; >> + >> + igt_assert(new || old); >> + >> + igt_assert_eq(fstat(fd, &st), 0); >> + sysfs = igt_sysfs_open(fd); >> + if (sysfs < 0) >> + return -1; >> + >> + device_fd = openat(sysfs, "device", O_DIRECTORY | O_RDONLY); >> + close(sysfs); >> + if (device_fd < 0) >> + return -1; >> + >> + if (!__igt_sysfs_get_boolean(device_fd, fname, &val_before)) { >> + ret = -1; >> + goto out; >> + } >> + >> + igt_debug("enable_eudebug before: %d\n", val_before); >> + >> + if (old) >> + *old = val_before; >> + >> + ret = 0; >> + if (new) { >> + if (__igt_sysfs_set_boolean(device_fd, fname, *new)) >> + igt_assert_eq(igt_sysfs_get_boolean(device_fd, fname), *new); >> + else >> + ret = -1; >> + } >> + >> +out: >> + close(device_fd); >> + return ret; >> +} >> + >> +/** >> + * xe_eudebug_enable >> + * @fd: xe client >> + * @enable: state toggle - true to enable, false to disable >> + * >> + * Enables/disables eudebug capability by writing to >> + * '/sys/class/drm/card/device/enable_eudebug' sysfs entry. >> + * >> + * Returns: previous toggle value, i.e. true when eudebugging was enabled, >> + * false when eudebugging was disabled. >> + */ >> +bool xe_eudebug_enable(int fd, bool enable) >> +{ >> + bool old = false; >> + int ret = enable_getset(fd, &old, &enable); >> + >> + if (ret) { >> + igt_skip_on(enable); >> + old = false; >> + } >> + >> + return old; >> +} >> + >> +/* Eu debugger wrappers around resource creating xe ioctls. */ >> + >> +/** >> + * xe_eudebug_client_open_driver: >> + * @c: pointer to xe_eudebug_client structure >> + * >> + * Calls drm_open_client(DRIVER_XE) and logs the corresponding >> + * event in client's event log. >> + * >> + * Returns: valid DRM file descriptor >> + */ >> +int xe_eudebug_client_open_driver(struct xe_eudebug_client *c) >> +{ >> + int fd; >> + >> + fd = drm_reopen_driver(c->master_fd); >> + client_event(c, DRM_XE_EUDEBUG_EVENT_CREATE, fd); >> + >> + return fd; >> +} >> + >> +/** >> + * xe_eudebug_client_close_driver: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * >> + * Calls close driver and logs the corresponding event in >> + * client's event log. >> + */ >> +void xe_eudebug_client_close_driver(struct xe_eudebug_client *c, int fd) >> +{ >> + client_event(c, DRM_XE_EUDEBUG_EVENT_DESTROY, fd); >> + close(fd); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_create: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @flags: vm bind flags >> + * @ext: pointer to the first user extension >> + * >> + * Calls xe_vm_create() and logs corresponding events >> + * (including vm set metadata events) in client's event log. >> + * >> + * Returns: valid vm handle >> + */ >> +uint32_t xe_eudebug_client_vm_create(struct xe_eudebug_client *c, int fd, >> + uint32_t flags, uint64_t ext) >> +{ >> + uint32_t vm; >> + >> + vm = xe_vm_create(fd, flags, ext); >> + vm_event(c, DRM_XE_EUDEBUG_EVENT_CREATE, fd, vm); >> + >> + return vm; >> +} >> + >> +/** >> + * xe_eudebug_client_vm_destroy: >> + * @c: pointer to xe_eudebug_client structure >> + * fd: xe client >> + * vm: vm handle >> + * >> + * Calls xe_vm_destroy() and logs the corresponding event in >> + * client's event log. >> + */ >> +void xe_eudebug_client_vm_destroy(struct xe_eudebug_client *c, int fd, uint32_t vm) >> +{ >> + xe_vm_destroy(fd, vm); >> + vm_event(c, DRM_XE_EUDEBUG_EVENT_DESTROY, fd, vm); >> +} >> + >> +/** >> + * xe_eudebug_client_exec_queue_create: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @create: exec_queue create drm struct >> + * >> + * Calls xe exec queue create ioctl and logs the corresponding event in >> + * client's event log. >> + * >> + * Returns: valid exec queue handle >> + */ >> +uint32_t xe_eudebug_client_exec_queue_create(struct xe_eudebug_client *c, int fd, >> + struct drm_xe_exec_queue_create *create) >> +{ >> + uint16_t class = ((struct drm_xe_engine_class_instance *)(create->instances))[0].engine_class; >> + >> + igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_EXEC_QUEUE_CREATE, create), 0); >> + >> + if (class == DRM_XE_ENGINE_CLASS_COMPUTE || class == DRM_XE_ENGINE_CLASS_RENDER) >> + exec_queue_event(c, DRM_XE_EUDEBUG_EVENT_CREATE, fd, create->vm_id, >> + create->exec_queue_id, class, create->width); >> + >> + return create->exec_queue_id; >> +} >> + >> +/** >> + * xe_eudebug_client_exec_queue_destroy: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @create: exec_queue create drm struct which was used for creation >> + * >> + * Calls xe exec_queue destroy ioctl and logs the corresponding event in >> + * client's event log. >> + */ >> +void xe_eudebug_client_exec_queue_destroy(struct xe_eudebug_client *c, int fd, >> + struct drm_xe_exec_queue_create *create) >> +{ >> + struct drm_xe_exec_queue_destroy destroy = { .exec_queue_id = create->exec_queue_id, }; >> + uint16_t class = ((struct drm_xe_engine_class_instance *)(create->instances))[0].engine_class; >> + >> + if (class == DRM_XE_ENGINE_CLASS_COMPUTE || class == DRM_XE_ENGINE_CLASS_RENDER) >> + exec_queue_event(c, DRM_XE_EUDEBUG_EVENT_DESTROY, fd, create->vm_id, >> + create->exec_queue_id, class, create->width); >> + >> + igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_EXEC_QUEUE_DESTROY, &destroy), 0); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind_event: >> + * @c: pointer to xe_eudebug_client structure >> + * @event_flags: base event flags >> + * @fd: xe client >> + * @vm: vm handle >> + * @bind_flags: bind flags of vm_bind_event >> + * @num_binds: number of bind (operations) for event >> + * @ref_seqno: base vm bind reference seqno >> + * Logs vm bind event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind_event(struct xe_eudebug_client *c, >> + uint32_t event_flags, int fd, >> + uint32_t vm, uint32_t bind_flags, >> + uint32_t num_binds, u64 *ref_seqno) >> +{ >> + struct drm_xe_eudebug_event_vm_bind evmb; >> + >> + base_event(c, to_base(evmb), DRM_XE_EUDEBUG_EVENT_VM_BIND, >> + event_flags, sizeof(evmb)); >> + evmb.client_handle = fd; >> + evmb.vm_handle = vm; >> + evmb.flags = bind_flags; >> + evmb.num_binds = num_binds; >> + >> + *ref_seqno = evmb.base.seqno; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&evmb); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind_op_event: >> + * @c: pointer to xe_eudebug_client structure >> + * @event_flags: base event flags >> + * @bind_ref_seqno: base vm bind reference seqno >> + * @op_ref_seqno: output, the vm_bind_op event seqno >> + * @addr: ppgtt address >> + * @size: size of the binding >> + * @num_extensions: number of vm bind op extensions >> + * >> + * Logs vm bind op event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind_op_event(struct xe_eudebug_client *c, uint32_t event_flags, >> + uint64_t bind_ref_seqno, uint64_t *op_ref_seqno, >> + uint64_t addr, uint64_t range, >> + uint64_t num_extensions) >> +{ >> + struct drm_xe_eudebug_event_vm_bind_op op; >> + >> + base_event(c, to_base(op), DRM_XE_EUDEBUG_EVENT_VM_BIND_OP, >> + event_flags, sizeof(op)); >> + op.vm_bind_ref_seqno = bind_ref_seqno; >> + op.addr = addr; >> + op.range = range; >> + op.num_extensions = num_extensions; >> + >> + *op_ref_seqno = op.base.seqno; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&op); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind_op_metadata_event: >> + * @c: pointer to xe_eudebug_client structure >> + * @event_flags: base event flags >> + * @op_ref_seqno: base vm bind op reference seqno >> + * @metadata_handle: metadata handle >> + * @metadata_cookie: metadata cookie >> + * >> + * Logs vm bind op metadata event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind_op_metadata_event(struct xe_eudebug_client *c, >> + uint32_t event_flags, uint64_t op_ref_seqno, >> + uint64_t metadata_handle, uint64_t metadata_cookie) >> +{ >> + struct drm_xe_eudebug_event_vm_bind_op_metadata op; >> + >> + base_event(c, to_base(op), DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA, >> + event_flags, sizeof(op)); >> + op.vm_bind_op_ref_seqno = op_ref_seqno; >> + op.metadata_handle = metadata_handle; >> + op.metadata_cookie = metadata_cookie; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&op); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind_ufence_event: >> + * @c: pointer to xe_eudebug_client structure >> + * @event_flags: base event flags >> + * @ref_seqno: base vm bind event seqno >> + * >> + * Logs vm bind ufence event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind_ufence_event(struct xe_eudebug_client *c, uint32_t event_flags, >> + uint64_t ref_seqno) >> +{ >> + struct drm_xe_eudebug_event_vm_bind_ufence f; >> + >> + base_event(c, to_base(f), DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE, >> + event_flags, sizeof(f)); >> + f.vm_bind_ref_seqno = ref_seqno; >> + >> + xe_eudebug_event_log_write(c->log, (void *)&f); >> +} >> + >> +static bool has_user_fence(const struct drm_xe_sync *sync, uint32_t num_syncs) >> +{ >> + while (num_syncs--) >> + if (sync[num_syncs].type == DRM_XE_SYNC_TYPE_USER_FENCE) >> + return true; >> + >> + return false; >> +} >> + >> +#define for_each_metadata(__m, __ext) \ >> + for ((__m) = from_user_pointer(__ext); \ >> + (__m); \ >> + (__m) = from_user_pointer((__m)->base.next_extension)) \ >> + if ((__m)->base.name == XE_VM_BIND_OP_EXTENSIONS_ATTACH_DEBUG) >> + >> +static int __xe_eudebug_client_vm_bind(struct xe_eudebug_client *c, >> + int fd, uint32_t vm, uint32_t exec_queue, >> + uint32_t bo, uint64_t offset, >> + uint64_t addr, uint64_t size, >> + uint32_t op, uint32_t flags, >> + struct drm_xe_sync *sync, >> + uint32_t num_syncs, >> + uint32_t prefetch_region, >> + uint8_t pat_index, uint64_t op_ext) >> +{ >> + struct drm_xe_vm_bind_op_ext_attach_debug *metadata; >> + const bool ufence = has_user_fence(sync, num_syncs); >> + const uint32_t bind_flags = ufence ? >> + DRM_XE_EUDEBUG_EVENT_VM_BIND_FLAG_UFENCE : 0; >> + uint64_t seqno = 0, op_seqno = 0, num_metadata = 0; >> + uint32_t bind_base_flags = 0; >> + int ret; >> + >> + for_each_metadata(metadata, op_ext) >> + num_metadata++; >> + >> + switch (op) { >> + case DRM_XE_VM_BIND_OP_MAP: >> + bind_base_flags = DRM_XE_EUDEBUG_EVENT_CREATE; >> + break; >> + case DRM_XE_VM_BIND_OP_UNMAP: >> + bind_base_flags = DRM_XE_EUDEBUG_EVENT_DESTROY; >> + igt_assert_eq(num_metadata, 0); >> + igt_assert_eq(ufence, false); >> + break; >> + default: >> + /* XXX unmap all? */ >> + igt_assert(op); >> + break; >> + } >> + >> + ret = ___xe_vm_bind(fd, vm, exec_queue, bo, offset, addr, size, >> + op, flags, sync, num_syncs, prefetch_region, >> + pat_index, 0, op_ext); >> + >> + if (ret) >> + return ret; >> + >> + if (!bind_base_flags) >> + return -EINVAL; >> + >> + xe_eudebug_client_vm_bind_event(c, DRM_XE_EUDEBUG_EVENT_STATE_CHANGE, >> + fd, vm, bind_flags, 1, &seqno); >> + xe_eudebug_client_vm_bind_op_event(c, bind_base_flags, >> + seqno, &op_seqno, addr, size, >> + num_metadata); >> + >> + for_each_metadata(metadata, op_ext) >> + xe_eudebug_client_vm_bind_op_metadata_event(c, >> + DRM_XE_EUDEBUG_EVENT_CREATE, >> + op_seqno, >> + metadata->metadata_id, >> + metadata->cookie); >> + if (ufence) >> + xe_eudebug_client_vm_bind_ufence_event(c, DRM_XE_EUDEBUG_EVENT_CREATE | >> + DRM_XE_EUDEBUG_EVENT_NEED_ACK, >> + seqno); >> + return ret; >> +} >> + >> +static void _xe_eudebug_client_vm_bind(struct xe_eudebug_client *c, int fd, >> + uint32_t vm, uint32_t bo, >> + uint64_t offset, uint64_t addr, uint64_t size, >> + uint32_t op, >> + uint32_t flags, >> + struct drm_xe_sync *sync, >> + uint32_t num_syncs, >> + uint64_t op_ext) >> +{ >> + const uint32_t exec_queue_id = 0; >> + const uint32_t prefetch_region = 0; >> + >> + igt_assert_eq(__xe_eudebug_client_vm_bind(c, fd, vm, exec_queue_id, bo, offset, >> + addr, size, op, flags, >> + sync, num_syncs, prefetch_region, >> + DEFAULT_PAT_INDEX, op_ext), >> + 0); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind_flags >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @vm: vm handle >> + * @bo: buffer object handle >> + * @offset: offset within buffer object >> + * @addr: ppgtt address >> + * @size: size of the binding >> + * @flags: vm_bind flags >> + * @sync: sync objects >> + * @num_syncs: number of sync objects >> + * @op_ext: BIND_OP extensions >> + * >> + * Calls xe vm_bind ioctl and logs the corresponding event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind_flags(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint32_t bo, uint64_t offset, >> + uint64_t addr, uint64_t size, uint32_t flags, >> + struct drm_xe_sync *sync, uint32_t num_syncs, >> + uint64_t op_ext) >> +{ >> + _xe_eudebug_client_vm_bind(c, fd, vm, bo, offset, addr, size, >> + DRM_XE_VM_BIND_OP_MAP, flags, >> + sync, num_syncs, op_ext); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_bind >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @vm: vm handle >> + * @bo: buffer object handle >> + * @offset: offset within buffer object >> + * @addr: ppgtt address >> + * @size: size of the binding >> + * >> + * Calls xe vm_bind ioctl and logs the corresponding event in client's event log. >> + */ >> +void xe_eudebug_client_vm_bind(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint32_t bo, uint64_t offset, >> + uint64_t addr, uint64_t size) >> +{ >> + const uint32_t flags = 0; >> + struct drm_xe_sync *sync = NULL; >> + const uint32_t num_syncs = 0; >> + const uint64_t op_ext = 0; >> + >> + xe_eudebug_client_vm_bind_flags(c, fd, vm, bo, offset, addr, size, >> + flags, >> + sync, num_syncs, op_ext); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_unbind_flags >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @vm: vm handle >> + * @offset: offset >> + * @addr: ppgtt address >> + * @size: size of the binding >> + * @flags: vm_bind flags >> + * @sync: sync objects >> + * @num_syncs: number of sync objects >> + * >> + * Calls xe vm_unbind ioctl and logs the corresponding event in client's event log. >> + */ >> +void xe_eudebug_client_vm_unbind_flags(struct xe_eudebug_client *c, int fd, >> + uint32_t vm, uint64_t offset, >> + uint64_t addr, uint64_t size, uint32_t flags, >> + struct drm_xe_sync *sync, uint32_t num_syncs) >> +{ >> + _xe_eudebug_client_vm_bind(c, fd, vm, 0, offset, addr, size, >> + DRM_XE_VM_BIND_OP_UNMAP, flags, >> + sync, num_syncs, 0); >> +} >> + >> +/** >> + * xe_eudebug_client_vm_unbind >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @vm: vm handle >> + * @offset: offset >> + * @addr: ppgtt address >> + * @size: size of the binding >> + * >> + * Calls xe vm_unbind ioctl and logs the corresponding event in client's event log. >> + */ >> +void xe_eudebug_client_vm_unbind(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint64_t offset, uint64_t addr, uint64_t size) >> +{ >> + const uint32_t flags = 0; >> + struct drm_xe_sync *sync = NULL; >> + const uint32_t num_syncs = 0; >> + >> + xe_eudebug_client_vm_unbind_flags(c, fd, vm, offset, addr, size, >> + flags, sync, num_syncs); >> +} >> + >> +/** >> + * xe_eudebug_client_metadata_create: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @type: debug metadata type >> + * @len: size of @data >> + * @data: debug metadata paylad >> + * >> + * Calls xe metadata create ioctl and logs the corresponding event in >> + * client's event log. >> + * >> + * Return: valid debug metadata id. >> + */ >> +uint32_t xe_eudebug_client_metadata_create(struct xe_eudebug_client *c, int fd, >> + int type, size_t len, void *data) >> +{ >> + struct drm_xe_debug_metadata_create create = { >> + .type = type, >> + .user_addr = to_user_pointer(data), >> + .len = len >> + }; >> + >> + igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_DEBUG_METADATA_CREATE, &create), 0); >> + >> + metadata_event(c, DRM_XE_EUDEBUG_EVENT_CREATE, fd, create.metadata_id, type, len); >> + >> + return create.metadata_id; >> +} >> + >> +/** >> + * xe_eudebug_client_metadata_destroy: >> + * @c: pointer to xe_eudebug_client structure >> + * @fd: xe client >> + * @id: xe debug metadata handle >> + * @type: debug metadata type >> + * @len: size of debug metadata payload >> + * >> + * Calls xe metadata destroy ioctl and logs the corresponding event in >> + * client's event log. >> + */ >> +void xe_eudebug_client_metadata_destroy(struct xe_eudebug_client *c, int fd, >> + uint32_t id, int type, size_t len) >> +{ >> + struct drm_xe_debug_metadata_destroy destroy = { .metadata_id = id }; >> + >> + >> + igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_DEBUG_METADATA_DESTROY, &destroy), 0); >> + >> + metadata_event(c, DRM_XE_EUDEBUG_EVENT_DESTROY, fd, id, type, len); >> +} >> + >> +void xe_eudebug_ack_ufence(int debugfd, >> + const struct drm_xe_eudebug_event_vm_bind_ufence *f) >> +{ >> + struct drm_xe_eudebug_ack_event ack = { 0, }; >> + char event_str[XE_EUDEBUG_EVENT_STRING_MAX_LEN]; >> + >> + ack.type = f->base.type; >> + ack.seqno = f->base.seqno; >> + >> + xe_eudebug_event_to_str((void *)f, event_str, XE_EUDEBUG_EVENT_STRING_MAX_LEN); >> + igt_debug("delivering ack for event: %s\n", event_str); >> + igt_assert_eq(igt_ioctl(debugfd, DRM_XE_EUDEBUG_IOCTL_ACK_EVENT, &ack), 0); >> +} >> diff --git a/lib/xe/xe_eudebug.h b/lib/xe/xe_eudebug.h >> new file mode 100644 >> index 000000000..444f5a7b7 >> --- /dev/null >> +++ b/lib/xe/xe_eudebug.h >> @@ -0,0 +1,206 @@ >> +/* SPDX-License-Identifier: MIT */ >> +/* >> + * Copyright © 2023 Intel Corporation >> + */ >> +#include >> +#include >> +#include >> +#include >> + >> +#include "igt_list.h" >> + >> +struct xe_eudebug_event_log { >> + uint8_t *log; >> + unsigned int head; >> + unsigned int max_size; >> + char name[80]; >> + pthread_mutex_t lock; >> +}; >> + >> +struct xe_eudebug_debugger { >> + int fd; >> + uint64_t flags; >> + >> + /* Used to smuggle private data */ >> + void *ptr; >> + >> + struct xe_eudebug_event_log *log; >> + >> + uint64_t event_count; >> + >> + uint64_t target_pid; >> + >> + struct igt_list_head triggers; >> + >> + int master_fd; >> + >> + pthread_t worker_thread; >> + int worker_state; >> + >> + int p_client[2]; >> +}; >> + >> +struct xe_eudebug_client { >> + int pid; >> + uint64_t seqno; >> + uint64_t flags; >> + >> + /* Used to smuggle private data */ >> + void *ptr; >> + >> + struct xe_eudebug_event_log *log; >> + >> + int done; >> + int p_in[2]; >> + int p_out[2]; >> + >> + /* Used to pickup right device (the one used in debugger) */ >> + int master_fd; >> + >> + int timeout_ms; >> +}; >> + >> +struct xe_eudebug_session { >> + uint64_t flags; >> + struct xe_eudebug_client *c; >> + struct xe_eudebug_debugger *d; >> +}; >> + >> +typedef void (*xe_eudebug_client_work_fn)(struct xe_eudebug_client *); >> +typedef void (*xe_eudebug_trigger_fn)(struct xe_eudebug_debugger *, >> + struct drm_xe_eudebug_event *); >> + >> +#define xe_eudebug_for_each_event(_e, _log) \ >> + for ((_e) = (_e) ? (void *)(uint8_t *)(_e) + (_e)->len : \ >> + (void *)(_log)->log; \ >> + (uint8_t *)(_e) < (_log)->log + (_log)->head; \ >> + (_e) = (void *)(uint8_t *)(_e) + (_e)->len) >> + >> +#define xe_eudebug_assert(d, c) \ >> + do { \ >> + if (!(c)) { \ >> + xe_eudebug_event_log_print((d)->log, true); \ >> + igt_assert(c); \ >> + } \ >> + } while (0) >> + >> +#define xe_eudebug_assert_f(d, c, f...) \ >> + do { \ >> + if (!(c)) { \ >> + xe_eudebug_event_log_print((d)->log, true); \ >> + igt_assert_f(c, f); \ >> + } \ >> + } while (0) >> + >> +#define XE_EUDEBUG_EVENT_STRING_MAX_LEN 4096 >> + >> +/* >> + * Default abort timeout to use across xe_eudebug lib and tests if no specific >> + * timeout value is required. >> + */ >> +#define XE_EUDEBUG_DEFAULT_TIMEOUT_MS 25000ULL >> + >> +#define XE_EUDEBUG_FILTER_EVENT_NONE BIT(DRM_XE_EUDEBUG_EVENT_NONE) >> +#define XE_EUDEBUG_FILTER_EVENT_READ BIT(DRM_XE_EUDEBUG_EVENT_READ) >> +#define XE_EUDEBUG_FILTER_EVENT_OPEN BIT(DRM_XE_EUDEBUG_EVENT_OPEN) >> +#define XE_EUDEBUG_FILTER_EVENT_VM BIT(DRM_XE_EUDEBUG_EVENT_VM) >> +#define XE_EUDEBUG_FILTER_EVENT_EXEC_QUEUE BIT(DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE) >> +#define XE_EUDEBUG_FILTER_EVENT_EU_ATTENTION BIT(DRM_XE_EUDEBUG_EVENT_EU_ATTENTION) >> +#define XE_EUDEBUG_FILTER_EVENT_VM_BIND BIT(DRM_XE_EUDEBUG_EVENT_VM_BIND) >> +#define XE_EUDEBUG_FILTER_EVENT_VM_BIND_OP BIT(DRM_XE_EUDEBUG_EVENT_VM_BIND_OP) >> +#define XE_EUDEBUG_FILTER_EVENT_VM_BIND_UFENCE BIT(DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE) >> +#define XE_EUDEBUG_FILTER_ALL GENMASK(DRM_XE_EUDEBUG_EVENT_MAX_EVENT, 0) >> +#define XE_EUDEBUG_EVENT_IS_FILTERED(_e, _f) ((1UL << _e) & _f) >> + >> +int xe_eudebug_connect(int fd, pid_t pid, uint32_t flags); >> +const char *xe_eudebug_event_to_str(struct drm_xe_eudebug_event *e, char *buf, size_t len); >> +struct drm_xe_eudebug_event * >> +xe_eudebug_event_log_find_seqno(struct xe_eudebug_event_log *l, uint64_t seqno); >> +struct xe_eudebug_event_log * >> +xe_eudebug_event_log_create(const char *name, unsigned int max_size); >> +void xe_eudebug_event_log_destroy(struct xe_eudebug_event_log *l); >> +void xe_eudebug_event_log_print(struct xe_eudebug_event_log *l, bool debug); >> +void xe_eudebug_event_log_compare(struct xe_eudebug_event_log *c, struct xe_eudebug_event_log *d, >> + uint32_t filter); >> +void xe_eudebug_event_log_write(struct xe_eudebug_event_log *l, struct drm_xe_eudebug_event *e); >> +void xe_eudebug_event_log_match_opposite(struct xe_eudebug_event_log *l, uint32_t filter); >> + >> +bool xe_eudebug_debugger_available(int fd); >> +struct xe_eudebug_debugger * >> +xe_eudebug_debugger_create(int xe, uint64_t flags, void *data); >> +void xe_eudebug_debugger_destroy(struct xe_eudebug_debugger *d); >> +int xe_eudebug_debugger_attach(struct xe_eudebug_debugger *d, struct xe_eudebug_client *c); >> +void xe_eudebug_debugger_start_worker(struct xe_eudebug_debugger *d); >> +void xe_eudebug_debugger_stop_worker(struct xe_eudebug_debugger *d, int timeout_s); >> +void xe_eudebug_debugger_dettach(struct xe_eudebug_debugger *d); >> +void xe_eudebug_debugger_set_data(struct xe_eudebug_debugger *c, void *ptr); >> +void xe_eudebug_debugger_add_trigger(struct xe_eudebug_debugger *d, int type, >> + xe_eudebug_trigger_fn fn); >> +void xe_eudebug_debugger_signal_stage(struct xe_eudebug_debugger *d, uint64_t stage); >> +void xe_eudebug_debugger_wait_stage(struct xe_eudebug_session *s, uint64_t stage); >> + >> +struct xe_eudebug_client * >> +xe_eudebug_client_create(int xe, xe_eudebug_client_work_fn work, uint64_t flags, void *data); >> +void xe_eudebug_client_destroy(struct xe_eudebug_client *c); >> +void xe_eudebug_client_start(struct xe_eudebug_client *c); >> +void xe_eudebug_client_stop(struct xe_eudebug_client *c); >> +void xe_eudebug_client_wait_done(struct xe_eudebug_client *c); >> +void xe_eudebug_client_signal_stage(struct xe_eudebug_client *c, uint64_t stage); >> +void xe_eudebug_client_wait_stage(struct xe_eudebug_client *c, uint64_t stage); >> + >> +uint64_t xe_eudebug_client_get_seqno(struct xe_eudebug_client *c); >> +void xe_eudebug_client_set_data(struct xe_eudebug_client *c, void *ptr); >> + >> +bool xe_eudebug_enable(int fd, bool enable); >> + >> +int xe_eudebug_client_open_driver(struct xe_eudebug_client *c); >> +void xe_eudebug_client_close_driver(struct xe_eudebug_client *c, int fd); >> +uint32_t xe_eudebug_client_vm_create(struct xe_eudebug_client *c, int fd, >> + uint32_t flags, uint64_t ext); >> +void xe_eudebug_client_vm_destroy(struct xe_eudebug_client *c, int fd, uint32_t vm); >> +uint32_t xe_eudebug_client_exec_queue_create(struct xe_eudebug_client *c, int fd, >> + struct drm_xe_exec_queue_create *create); >> +void xe_eudebug_client_exec_queue_destroy(struct xe_eudebug_client *c, int fd, >> + struct drm_xe_exec_queue_create *create); >> +void xe_eudebug_client_vm_bind_event(struct xe_eudebug_client *c, uint32_t event_flags, int fd, >> + uint32_t vm, uint32_t bind_flags, >> + uint32_t num_ops, uint64_t *ref_seqno); >> +void xe_eudebug_client_vm_bind_op_event(struct xe_eudebug_client *c, uint32_t event_flags, >> + uint64_t ref_seqno, uint64_t *op_ref_seqno, >> + uint64_t addr, uint64_t range, >> + uint64_t num_extensions); >> +void xe_eudebug_client_vm_bind_op_metadata_event(struct xe_eudebug_client *c, >> + uint32_t event_flags, uint64_t op_ref_seqno, >> + uint64_t metadata_handle, uint64_t metadata_cookie); >> +void xe_eudebug_client_vm_bind_ufence_event(struct xe_eudebug_client *c, uint32_t event_flags, >> + uint64_t ref_seqno); >> +void xe_eudebug_ack_ufence(int debugfd, >> + const struct drm_xe_eudebug_event_vm_bind_ufence *f); >> + >> +void xe_eudebug_client_vm_bind_flags(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint32_t bo, uint64_t offset, >> + uint64_t addr, uint64_t size, uint32_t flags, >> + struct drm_xe_sync *sync, uint32_t num_syncs, >> + uint64_t op_ext); >> +void xe_eudebug_client_vm_bind(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint32_t bo, uint64_t offset, >> + uint64_t addr, uint64_t size); >> +void xe_eudebug_client_vm_unbind_flags(struct xe_eudebug_client *c, int fd, >> + uint32_t vm, uint64_t offset, >> + uint64_t addr, uint64_t size, uint32_t flags, >> + struct drm_xe_sync *sync, uint32_t num_syncs); >> +void xe_eudebug_client_vm_unbind(struct xe_eudebug_client *c, int fd, uint32_t vm, >> + uint64_t offset, uint64_t addr, uint64_t size); >> + >> +uint32_t xe_eudebug_client_metadata_create(struct xe_eudebug_client *c, int fd, >> + int type, size_t len, void *data); >> +void xe_eudebug_client_metadata_destroy(struct xe_eudebug_client *c, int fd, >> + uint32_t id, int type, size_t len); >> + >> +struct xe_eudebug_session *xe_eudebug_session_create(int fd, >> + xe_eudebug_client_work_fn work, >> + unsigned int flags, >> + void *test_private); >> +void xe_eudebug_session_destroy(struct xe_eudebug_session *s); >> +void xe_eudebug_session_run(struct xe_eudebug_session *s); >> +void xe_eudebug_session_check(struct xe_eudebug_session *s, bool match_opposite, uint32_t filter); >> -- >> 2.34.1 >>