From patchwork Wed Sep 28 06:19:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niranjana Vishwanathapura X-Patchwork-Id: 12991643 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 A7B72C32771 for ; Wed, 28 Sep 2022 06:20:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 353A010E273; Wed, 28 Sep 2022 06:19:56 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A86710E27B; Wed, 28 Sep 2022 06:19:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664345989; x=1695881989; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8GeIN4k0TghEwwJrULXsZgo+gtdweFN29+HNSYxzJrE=; b=I4JEJuIP3JIcgfmi1hROgpRIdgPCSbYju47kVD+x9wr52O+72lLhCnAC z1o4SRvdUOBwXoUhbf8GYbsEjU9TLgXZRavOnU8geowtN4mLPZJWyCUjw W1mmL4Ar68j1DPj5KEqUXLDRVMgMCb/APOzCFSo1vcBAA/8HQrQuh+se7 MlU9xOQ283k+7Wol7SD7TA/OAV/+yDAQ4/bRXf7xJ6CeVM0eYT7yQRY5C Frw1qXpOYSdmG+qaJ2Zch2M49AN2WCl4d4n5PJ3o+X3858vIcNuTYknZt lME5HGa71tp3+Cxxqn1i3iBaErW7I727w3ryyUmP+0ZTT8yUVO6Pw5qnS g==; X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="365563690" X-IronPort-AV: E=Sophos;i="5.93,351,1654585200"; d="scan'208";a="365563690" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2022 23:19:48 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="866849223" X-IronPort-AV: E=Sophos;i="5.93,351,1654585200"; d="scan'208";a="866849223" Received: from nvishwa1-desk.sc.intel.com ([172.25.29.76]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA; 27 Sep 2022 23:19:48 -0700 From: Niranjana Vishwanathapura To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH 16/16] drm/i915/vm_bind: Add uapi for user to enable vm_bind_mode Date: Tue, 27 Sep 2022 23:19:18 -0700 Message-Id: <20220928061918.6340-17-niranjana.vishwanathapura@intel.com> X-Mailer: git-send-email 2.21.0.rc0.32.g243a4c7e27 In-Reply-To: <20220928061918.6340-1-niranjana.vishwanathapura@intel.com> References: <20220928061918.6340-1-niranjana.vishwanathapura@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthew.brost@intel.com, paulo.r.zanoni@intel.com, tvrtko.ursulin@intel.com, jani.nikula@intel.com, lionel.g.landwerlin@intel.com, thomas.hellstrom@intel.com, matthew.auld@intel.com, jason@jlekstrand.net, andi.shyti@linux.intel.com, daniel.vetter@intel.com, christian.koenig@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add getparam support for VM_BIND capability version. Add VM creation time flag to enable vm_bind_mode for the VM. Signed-off-by: Niranjana Vishwanathapura Signed-off-by: Andi Shyti Acked-by: Matthew Auld --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 9 +++++++- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_getparam.c | 3 +++ include/uapi/drm/i915_drm.h | 24 ++++++++++++++++++++- 4 files changed, 36 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index f4e648ec01ed..c20bd6e8aaf8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1808,9 +1808,13 @@ int i915_gem_vm_create_ioctl(struct drm_device *dev, void *data, if (!HAS_FULL_PPGTT(i915)) return -ENODEV; - if (args->flags) + if (args->flags & I915_VM_CREATE_FLAGS_UNKNOWN) return -EINVAL; + if ((args->flags & I915_VM_CREATE_FLAGS_USE_VM_BIND) && + !HAS_VM_BIND(i915)) + return -EOPNOTSUPP; + ppgtt = i915_ppgtt_create(to_gt(i915), 0); if (IS_ERR(ppgtt)) return PTR_ERR(ppgtt); @@ -1828,6 +1832,9 @@ int i915_gem_vm_create_ioctl(struct drm_device *dev, void *data, if (err) goto err_put; + if (args->flags & I915_VM_CREATE_FLAGS_USE_VM_BIND) + ppgtt->vm.vm_bind_mode = true; + GEM_BUG_ON(id == 0); /* reserved for invalid/unassigned ppgtt */ args->vm_id = id; return 0; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 84a2f6b16f57..e77393d74c6f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -974,6 +974,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_ONE_EU_PER_FUSE_BIT(i915) (INTEL_INFO(i915)->has_one_eu_per_fuse_bit) +#define HAS_VM_BIND(dev_priv) (GRAPHICS_VER(dev_priv) >= 12) + /* intel_device_info.c */ static inline struct intel_device_info * mkwrite_device_info(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/i915_getparam.c b/drivers/gpu/drm/i915/i915_getparam.c index 342c8ca6414e..f45b3c684bcf 100644 --- a/drivers/gpu/drm/i915/i915_getparam.c +++ b/drivers/gpu/drm/i915/i915_getparam.c @@ -175,6 +175,9 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data, case I915_PARAM_PERF_REVISION: value = i915_perf_ioctl_version(); break; + case I915_PARAM_VM_BIND_VERSION: + value = HAS_VM_BIND(i915); + break; default: DRM_DEBUG("Unknown parameter %d\n", param->param); return -EINVAL; diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index f3a5b198b3e7..9a033acc254b 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -755,6 +755,27 @@ typedef struct drm_i915_irq_wait { /* Query if the kernel supports the I915_USERPTR_PROBE flag. */ #define I915_PARAM_HAS_USERPTR_PROBE 56 +/* + * VM_BIND feature version supported. + * + * The following versions of VM_BIND have been defined: + * + * 0: No VM_BIND support. + * + * 1: In VM_UNBIND calls, the UMD must specify the exact mappings created + * previously with VM_BIND, the ioctl will not support unbinding multiple + * mappings or splitting them. Similarly, VM_BIND calls will not replace + * any existing mappings. + * + * 2: The restrictions on unbinding partial or multiple mappings is + * lifted, Similarly, binding will replace any mappings in the given range. + * + * See struct drm_i915_gem_vm_bind and struct drm_i915_gem_vm_unbind. + * + * vm_bind versions are backward compatible. + */ +#define I915_PARAM_VM_BIND_VERSION 57 + /* Must be kept compact -- no holes and well documented */ /** @@ -2622,7 +2643,8 @@ struct drm_i915_gem_vm_control { /** @extensions: Zero-terminated chain of extensions. */ __u64 extensions; - /** @flags: reserved for future usage, currently MBZ */ +#define I915_VM_CREATE_FLAGS_USE_VM_BIND (1u << 0) +#define I915_VM_CREATE_FLAGS_UNKNOWN (-(I915_VM_CREATE_FLAGS_USE_VM_BIND << 1)) __u32 flags; /** @vm_id: Id of the VM created or to be destroyed */