From patchwork Thu Jul 14 12:06:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12917774 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 7BB39C43334 for ; Thu, 14 Jul 2022 12:07:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 896AD112919; Thu, 14 Jul 2022 12:06:42 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6486D1128BF; Thu, 14 Jul 2022 12:06:33 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CA4A761E95; Thu, 14 Jul 2022 12:06:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A35A3C341DE; Thu, 14 Jul 2022 12:06:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657800390; bh=VzqffbHvXSasuo290xfmGOCNQYrxZniuZAZpD3iGYGM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WOyEAMnzpKgHKTa+ceJG2ynibgg2OQUK2lg6Cbcm6RWl/fZg5akrpuHycEjDRgMBd DtbTsvLwdZLB6Xa9XHXod2TRhrNFwHJRrFyS5ailaHYtJIiy7qD5vAbTOoQYonqvZf zH2r08JretHfat5dubBNGe336PbADd9ATE9mIoWr/lnL4hJWwfBwBcjwl8LUasPJH0 FWJNEDlFkTLNr6uGSzyAUhY84SGcNdiVuD7X1eq7IyFv7D508Xog7kY88045RTtj6v FHqod41OpXcCoUNq3OZeTuxsbkDsFIgdbBI7qmDbX3DzL7F0T3zqb4sOA8h4Jpjg8S F2uhxXhBLMbYQ== Received: from mchehab by mail.kernel.org with local (Exim 4.95) (envelope-from ) id 1oBxbw-0059t2-1Z; Thu, 14 Jul 2022 13:06:28 +0100 From: Mauro Carvalho Chehab To: Date: Thu, 14 Jul 2022 13:06:17 +0100 Message-Id: X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 12/21] drm/i915/guc: Introduce TLB_INVALIDATION_ALL action X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , dri-devel@lists.freedesktop.org, Borislav Petkov , Alan Previn , intel-gfx@lists.freedesktop.org, Lucas De Marchi , Rodrigo Vivi , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Piotr Piórkowski Add a new way to invalidate TLB via GuC using actions 0x7002 (TLB_INVALIDATION_ALL). Those actions will be used on upcoming patches. Signed-off-by: Piotr Piórkowski Cc: Michal Wajdeczko Signed-off-by: Mauro Carvalho Chehab --- To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH v2 00/21] at: https://lore.kernel.org/all/cover.1657800199.git.mchehab@kernel.org/ drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h | 1 + drivers/gpu/drm/i915/gt/uc/intel_guc.c | 14 ++++++++++++++ drivers/gpu/drm/i915/gt/uc/intel_guc.h | 1 + 3 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h index 14e35a2f8306..fb0af33e43cc 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h @@ -138,6 +138,7 @@ enum intel_guc_action { INTEL_GUC_ACTION_PAGE_FAULT_NOTIFICATION = 0x6001, INTEL_GUC_ACTION_TLB_INVALIDATION = 0x7000, INTEL_GUC_ACTION_TLB_INVALIDATION_DONE = 0x7001, + INTEL_GUC_ACTION_TLB_INVALIDATION_ALL = 0x7002, INTEL_GUC_ACTION_STATE_CAPTURE_NOTIFICATION = 0x8002, INTEL_GUC_ACTION_NOTIFY_FLUSH_LOG_BUFFER_TO_FILE = 0x8003, INTEL_GUC_ACTION_NOTIFY_CRASH_DUMP_POSTED = 0x8004, diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 5c59f9b144a3..8a104a292598 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -945,6 +945,20 @@ int intel_guc_invalidate_tlb_guc(struct intel_guc *guc, return guc_send_invalidate_tlb(guc, action, ARRAY_SIZE(action)); } +int intel_guc_invalidate_tlb_all(struct intel_guc *guc) +{ + u32 action[] = { + INTEL_GUC_ACTION_TLB_INVALIDATION_ALL, + 0, + INTEL_GUC_TLB_INVAL_MODE_HEAVY << INTEL_GUC_TLB_INVAL_MODE_SHIFT | + INTEL_GUC_TLB_INVAL_FLUSH_CACHE, + }; + + GEM_BUG_ON(!INTEL_GUC_SUPPORTS_TLB_INVALIDATION(guc)); + + return guc_send_invalidate_tlb(guc, action, ARRAY_SIZE(action)); +} + /** * intel_guc_load_status - dump information about GuC load status * @guc: the GuC diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 73c46d405dc4..01c6478451cc 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -386,6 +386,7 @@ int intel_guc_self_cfg64(struct intel_guc *guc, u16 key, u64 value); int intel_guc_invalidate_tlb_guc(struct intel_guc *guc, enum intel_guc_tlb_inval_mode mode); +int intel_guc_invalidate_tlb_all(struct intel_guc *guc); static inline bool intel_guc_is_supported(struct intel_guc *guc) {