From patchwork Mon May 7 07:21:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Du, Changbin" X-Patchwork-Id: 10383345 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E9BCB60159 for ; Mon, 7 May 2018 07:32:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D53DF28999 for ; Mon, 7 May 2018 07:32:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA0FC2899F; Mon, 7 May 2018 07:32:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 87FC628999 for ; Mon, 7 May 2018 07:32:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A46CC6E34C; Mon, 7 May 2018 07:32:17 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 701576E35E; Mon, 7 May 2018 07:32:16 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 May 2018 00:32:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,373,1520924400"; d="scan'208";a="52095023" Received: from gvt-dell.bj.intel.com (HELO gvt-dell-host.bj.intel.com) ([10.238.154.59]) by fmsmga004.fm.intel.com with ESMTP; 07 May 2018 00:32:14 -0700 From: changbin.du@intel.com To: intel-gvt-dev@lists.freedesktop.org Date: Mon, 7 May 2018 15:21:41 +0800 Message-Id: <1525677713-8395-3-git-send-email-changbin.du@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525677713-8395-1-git-send-email-changbin.du@intel.com> References: <1525677713-8395-1-git-send-email-changbin.du@intel.com> Subject: [Intel-gfx] [PATCH v5 02/14] drm/i915/gvt: Add PTE IPS bit operations X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Changbin Du Add three IPS operation functions to test/set/clear IPS in PDE. Signed-off-by: Changbin Du --- drivers/gpu/drm/i915/gvt/gtt.c | 18 ++++++++++++++++++ drivers/gpu/drm/i915/gvt/gtt.h | 2 ++ 2 files changed, 20 insertions(+) diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 1fcc64a..cd2a227 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -400,6 +400,22 @@ static bool gen8_gtt_test_pse(struct intel_gvt_gtt_entry *e) return true; } +static bool gen8_gtt_test_ips(struct intel_gvt_gtt_entry *e) +{ + if (GEM_WARN_ON(e->type != GTT_TYPE_PPGTT_PDE_ENTRY)) + return false; + + return !!(e->val64 & GEN8_PDE_IPS_64K); +} + +static void gen8_gtt_clear_ips(struct intel_gvt_gtt_entry *e) +{ + if (GEM_WARN_ON(e->type != GTT_TYPE_PPGTT_PDE_ENTRY)) + return; + + e->val64 &= ~GEN8_PDE_IPS_64K; +} + static bool gen8_gtt_test_present(struct intel_gvt_gtt_entry *e) { /* @@ -456,6 +472,8 @@ static struct intel_gvt_gtt_pte_ops gen8_gtt_pte_ops = { .set_present = gtt_entry_set_present, .test_present = gen8_gtt_test_present, .test_pse = gen8_gtt_test_pse, + .clear_ips = gen8_gtt_clear_ips, + .test_ips = gen8_gtt_test_ips, .get_pfn = gen8_gtt_get_pfn, .set_pfn = gen8_gtt_set_pfn, }; diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index 6063081..9257b74 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -63,6 +63,8 @@ struct intel_gvt_gtt_pte_ops { void (*clear_present)(struct intel_gvt_gtt_entry *e); void (*set_present)(struct intel_gvt_gtt_entry *e); bool (*test_pse)(struct intel_gvt_gtt_entry *e); + bool (*test_ips)(struct intel_gvt_gtt_entry *e); + void (*clear_ips)(struct intel_gvt_gtt_entry *e); void (*set_pfn)(struct intel_gvt_gtt_entry *e, unsigned long pfn); unsigned long (*get_pfn)(struct intel_gvt_gtt_entry *e); };