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 1AAC0C04FFE for ; Mon, 29 Apr 2024 16:46:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C49510F409; Mon, 29 Apr 2024 16:46:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JyWNVrVF"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id AA3BA10F3BF for ; Mon, 29 Apr 2024 16:46:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714409203; x=1745945203; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5BJYbWZFejd1fTjPUWiQO7fcfT6++89jXeGDRle915M=; b=JyWNVrVF3d5dGR4vxRjTihs4uIXHXOTaqfOphQSBoU4CtPxQl69NTczr y8qnAp6LoTS8qNoKeXTRw5OdKFLNOP7GCqBiCip1luOIU8TxUCG2YtQcY tu3t1hgnMqh/FDQYZa1cXosik5N0yBYdT1MGhFYs7hBVNZxnhwqN+SGmE snXgWd5gxZylwUkxVX7IKhXs9S5jwztkgRqdu8hTdBkJlEltovwRhWgES nWxYLQSVCNFUO1xWM+2MwtPmjVMy5OUvewx9SnW5KE3N9bQ6nC4VqVAw/ kDmTF13n8Ss32qxAvsnnBxy971D4G2IUDQluw9SKgxZEbIXH9LWqZCfot A==; X-CSE-ConnectionGUID: rGEazB1+TByM9OHGxDRw6Q== X-CSE-MsgGUID: J1Ob+LflQR6cw0rBhSslNg== X-IronPort-AV: E=McAfee;i="6600,9927,11059"; a="21486078" X-IronPort-AV: E=Sophos;i="6.07,240,1708416000"; d="scan'208";a="21486078" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2024 09:46:42 -0700 X-CSE-ConnectionGUID: vUBk8APXRsuwDEbRJJK7lg== X-CSE-MsgGUID: w2aqDLqtSf6r9ZM0Drz4/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,240,1708416000"; d="scan'208";a="63647304" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2024 09:46:42 -0700 From: Matthew Brost To: Cc: Matthew Brost , Oak Zeng , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Subject: [PATCH 2/5] drm/xe: Add xe_vm_pgtable_update_op to xe_vma_ops Date: Mon, 29 Apr 2024 09:47:10 -0700 Message-Id: <20240429164713.2249950-3-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240429164713.2249950-1-matthew.brost@intel.com> References: <20240429164713.2249950-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Each xe_vma_op resolves to 0-3 pt_ops. Add storage for the pt_ops to xe_vma_ops which is dynamically allocated based the number and types of xe_vma_op in the xe_vma_ops list. Allocation only implemented in this patch. This will help with converting xe_vma_ops (multiple xe_vma_op) in a atomic update unit. Cc: Oak Zeng Cc: Thomas Hellström Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_pt_types.h | 12 ++++++ drivers/gpu/drm/xe/xe_vm.c | 66 +++++++++++++++++++++++++++++++- drivers/gpu/drm/xe/xe_vm_types.h | 8 ++++ 3 files changed, 84 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_pt_types.h b/drivers/gpu/drm/xe/xe_pt_types.h index cee70cb0f014..2093150f461e 100644 --- a/drivers/gpu/drm/xe/xe_pt_types.h +++ b/drivers/gpu/drm/xe/xe_pt_types.h @@ -74,4 +74,16 @@ struct xe_vm_pgtable_update { u32 flags; }; +/** struct xe_vm_pgtable_update_op - Page table update operation */ +struct xe_vm_pgtable_update_op { + /** @entries: entries to update for this operation */ + struct xe_vm_pgtable_update entries[XE_VM_MAX_LEVEL * 2 + 1]; + /** @num_entries: number of entries for this update operation */ + u32 num_entries; + /** @bind: is a bind */ + bool bind; + /** @rebind: is a rebind */ + bool rebind; +}; + #endif diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index dfd31b346021..b60ae743d2e6 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -712,6 +712,42 @@ int xe_vm_userptr_check_repin(struct xe_vm *vm) list_empty_careful(&vm->userptr.invalidated)) ? 0 : -EAGAIN; } +static int xe_vma_ops_alloc(struct xe_vma_ops *vops) +{ + int i; + + for (i = 0; i < XE_MAX_TILES_PER_DEVICE; ++i) { + if (!vops->pt_update_ops[i].num_ops) + continue; + + vops->pt_update_ops[i].ops = + kmalloc_array(vops->pt_update_ops[i].num_ops, + sizeof(*vops->pt_update_ops[i].ops), + GFP_KERNEL); + if (!vops->pt_update_ops[i].ops) + return -ENOMEM; + } + + return 0; +} + +static void xe_vma_ops_fini(struct xe_vma_ops *vops) +{ + int i; + + for (i = 0; i < XE_MAX_TILES_PER_DEVICE; ++i) + kfree(vops->pt_update_ops[i].ops); +} + +static void xe_vma_ops_incr_pt_update_ops(struct xe_vma_ops *vops, u8 tile_mask) +{ + int i; + + for (i = 0; i < XE_MAX_TILES_PER_DEVICE; ++i) + if (BIT(i) & tile_mask) + ++vops->pt_update_ops[i].num_ops; +} + static void xe_vm_populate_rebind(struct xe_vma_op *op, struct xe_vma *vma, u8 tile_mask) { @@ -739,6 +775,7 @@ static int xe_vm_ops_add_rebind(struct xe_vma_ops *vops, struct xe_vma *vma, xe_vm_populate_rebind(op, vma, tile_mask); list_add_tail(&op->link, &vops->list); + xe_vma_ops_incr_pt_update_ops(vops, tile_mask); return 0; } @@ -779,6 +816,10 @@ int xe_vm_rebind(struct xe_vm *vm, bool rebind_worker) goto free_ops; } + err = xe_vma_ops_alloc(&vops); + if (err) + goto free_ops; + fence = ops_execute(vm, &vops); if (IS_ERR(fence)) { err = PTR_ERR(fence); @@ -793,6 +834,7 @@ int xe_vm_rebind(struct xe_vm *vm, bool rebind_worker) list_del(&op->link); kfree(op); } + xe_vma_ops_fini(&vops); return err; } @@ -814,12 +856,20 @@ struct dma_fence *xe_vma_rebind(struct xe_vm *vm, struct xe_vma *vma, u8 tile_ma if (err) return ERR_PTR(err); + err = xe_vma_ops_alloc(&vops); + if (err) { + fence = ERR_PTR(err); + goto free_ops; + } + fence = ops_execute(vm, &vops); +free_ops: list_for_each_entry_safe(op, next_op, &vops.list, link) { list_del(&op->link); kfree(op); } + xe_vma_ops_fini(&vops); return fence; } @@ -2276,7 +2326,6 @@ static int xe_vma_op_commit(struct xe_vm *vm, struct xe_vma_op *op) return err; } - static int vm_bind_ioctl_ops_parse(struct xe_vm *vm, struct xe_exec_queue *q, struct drm_gpuva_ops *ops, struct xe_sync_entry *syncs, u32 num_syncs, @@ -2328,6 +2377,9 @@ static int vm_bind_ioctl_ops_parse(struct xe_vm *vm, struct xe_exec_queue *q, return PTR_ERR(vma); op->map.vma = vma; + if (op->map.immediate || !xe_vm_in_fault_mode(vm)) + xe_vma_ops_incr_pt_update_ops(vops, + op->tile_mask); break; } case DRM_GPUVA_OP_REMAP: @@ -2372,6 +2424,8 @@ static int vm_bind_ioctl_ops_parse(struct xe_vm *vm, struct xe_exec_queue *q, vm_dbg(&xe->drm, "REMAP:SKIP_PREV: addr=0x%016llx, range=0x%016llx", (ULL)op->remap.start, (ULL)op->remap.range); + } else { + xe_vma_ops_incr_pt_update_ops(vops, op->tile_mask); } } @@ -2408,13 +2462,16 @@ static int vm_bind_ioctl_ops_parse(struct xe_vm *vm, struct xe_exec_queue *q, vm_dbg(&xe->drm, "REMAP:SKIP_NEXT: addr=0x%016llx, range=0x%016llx", (ULL)op->remap.start, (ULL)op->remap.range); + } else { + xe_vma_ops_incr_pt_update_ops(vops, op->tile_mask); } } + xe_vma_ops_incr_pt_update_ops(vops, op->tile_mask); break; } case DRM_GPUVA_OP_UNMAP: case DRM_GPUVA_OP_PREFETCH: - /* Nothing to do */ + xe_vma_ops_incr_pt_update_ops(vops, op->tile_mask); break; default: drm_warn(&vm->xe->drm, "NOT POSSIBLE"); @@ -3252,11 +3309,16 @@ int xe_vm_bind_ioctl(struct drm_device *dev, void *data, struct drm_file *file) goto unwind_ops; } + err = xe_vma_ops_alloc(&vops); + if (err) + goto unwind_ops; + err = vm_bind_ioctl_ops_execute(vm, &vops); unwind_ops: if (err && err != -ENODATA) vm_bind_ioctl_ops_unwind(vm, ops, args->num_binds); + xe_vma_ops_fini(&vops); for (i = args->num_binds - 1; i >= 0; --i) if (ops[i]) drm_gpuva_ops_free(&vm->gpuvm, ops[i]); diff --git a/drivers/gpu/drm/xe/xe_vm_types.h b/drivers/gpu/drm/xe/xe_vm_types.h index ce1a63a5e3e7..211c88801182 100644 --- a/drivers/gpu/drm/xe/xe_vm_types.h +++ b/drivers/gpu/drm/xe/xe_vm_types.h @@ -21,6 +21,7 @@ struct xe_bo; struct xe_sync_entry; struct xe_user_fence; struct xe_vm; +struct xe_vm_pgtable_update_op; #define XE_VMA_READ_ONLY DRM_GPUVA_USERBITS #define XE_VMA_DESTROYED (DRM_GPUVA_USERBITS << 1) @@ -368,6 +369,13 @@ struct xe_vma_ops { struct xe_sync_entry *syncs; /** @num_syncs: number of syncs */ u32 num_syncs; + /** @pt_update_ops: page table update operations */ + struct { + /** @ops: operations */ + struct xe_vm_pgtable_update_op *ops; + /** @num_ops: number of operations */ + u32 num_ops; + } pt_update_ops[XE_MAX_TILES_PER_DEVICE]; }; #endif -- 2.34.1