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X-CSE-ConnectionGUID: KXIxA7+ZQi2SIJ6wD+fFKg== X-CSE-MsgGUID: o3sQSd+ASmuHzSnZoBoEkA== X-IronPort-AV: E=McAfee;i="6800,10657,11894"; a="87997788" X-IronPort-AV: E=Sophos;i="6.25,258,1779174000"; d="scan'208";a="87997788" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2026 14:44:11 -0700 X-CSE-ConnectionGUID: oFwGUgfGRZSlTRS8vDG33A== X-CSE-MsgGUID: vTTYqlIBRMqzan19QOzzbw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,258,1779174000"; d="scan'208";a="266929212" Received: from osgc-sh-dragon.sh.intel.com ([10.239.81.44]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2026 14:44:08 -0700 From: Jonathan Cavitt To: dri-devel@lists.freedesktop.org Cc: alex.zuo@intel.com, jonathan.cavitt@intel.com, mripard@kernel.org, airlied@gmail.com, simona@ffwll.ch, linux-kernel@vger.kernel.org, intel-xe@lists.freedesktop.org, Rodrigo.vivi@intel.com, matthew.brost@intel.com, maarten.lankhorst@linux.intel.com, thomas.hellstrom@linux.intel.com, tzimmermann@suse.de Subject: [PATCH v7 2/2] drm/xe/vm: Add srcid to xe_vm_get_property_ioctl fault report Date: Thu, 3 Sep 2026 05:43:58 +0800 Message-ID: <20260902214358.348399-3-jonathan.cavitt@intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260902214358.348399-1-jonathan.cavitt@intel.com> References: <20260902214358.348399-1-jonathan.cavitt@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the SRCID of the faulting hardware unit to the return of the xe_vm_get_property_ioctl fault report. v2: - Readd pad check, as the pad in the ioctl struct was not changed (jcavitt) v3: - Squash SRCID with ASID to keep the struct compact (Matthew) Signed-off-by: Jonathan Cavitt Reviewed-by: Matthew Brost Cc: Matthew Brost Cc: Thomas Hellström Cc: Rodrigo Vivi Cc: David Airlie Cc: Simona Vetter Cc: Maarten Lankhorst Cc: Maxime Ripard Cc: Thomas Zimmermann --- drivers/gpu/drm/xe/xe_vm.c | 8 ++++++++ drivers/gpu/drm/xe/xe_vm_types.h | 2 ++ include/uapi/drm/xe_drm.h | 4 ++-- 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 19b3d0be79282..753a5fc55baa0 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -655,6 +655,7 @@ void xe_vm_add_fault_entry_pf(struct xe_vm *vm, struct xe_pagefault *pf) pf->consumer.fault_type_level); e->fault_level = FIELD_GET(XE_PAGEFAULT_LEVEL_MASK, pf->consumer.fault_type_level); + e->srcid = FIELD_GET(XE_PAGEFAULT_SRCID_MASK, pf->consumer.id); list_add_tail(&e->list, &vm->faults.list); vm->faults.len++; @@ -4277,6 +4278,11 @@ static u8 xe_to_user_fault_level(u8 fault_level) return fault_level; } +static u8 xe_to_user_srcid(u8 srcid) +{ + return srcid; +} + static int fill_faults(struct xe_vm *vm, struct drm_xe_vm_get_property *args) { @@ -4304,6 +4310,8 @@ static int fill_faults(struct xe_vm *vm, fault_entry.fault_type = xe_to_user_fault_type(entry->fault_type); fault_entry.fault_level = xe_to_user_fault_level(entry->fault_level); + fault_entry.srcid = xe_to_user_srcid(entry->srcid); + memcpy(&fault_list[i], &fault_entry, entry_size); i++; diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h index 68588b6242121..648031e641451 100644 --- a/drivers/gpu/drm/xe/xe_vm_types.h +++ b/drivers/gpu/drm/xe/xe_vm_types.h @@ -202,6 +202,7 @@ struct xe_device; * @access_type: type of address access that resulted in fault * @fault_type: type of fault reported * @fault_level: fault level of the fault + * @srcid: ID of the faulting hardware unit */ struct xe_vm_fault_entry { struct list_head list; @@ -210,6 +211,7 @@ struct xe_vm_fault_entry { u8 access_type; u8 fault_type; u8 fault_level; + u8 srcid; }; struct xe_vm { diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 509202a7b13eb..8c852abcacf0d 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -1294,8 +1294,8 @@ struct xe_vm_fault { #define FAULT_LEVEL_PML4 3 #define FAULT_LEVEL_PML5 4 __u8 fault_level; - /** @pad: MBZ */ - __u8 pad; + /** @srcid: ID of the faulting hardware unit */ + __u8 srcid; /** @reserved: MBZ */ __u64 reserved[4]; }; -- 2.53.0