From patchwork Mon Aug 7 16:14:16 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 9885783 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 2D784603F2 for ; Mon, 7 Aug 2017 16:15:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1FD5B28698 for ; Mon, 7 Aug 2017 16:15:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14C7B286B2; Mon, 7 Aug 2017 16:15:57 +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=-4.2 required=2.0 tests=BAYES_00, 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 A0BF8286CD for ; Mon, 7 Aug 2017 16:15:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 99B866E527; Mon, 7 Aug 2017 16:14:55 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id ED6116E527 for ; Mon, 7 Aug 2017 16:14:54 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP; 07 Aug 2017 09:14:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,339,1498546800"; d="scan'208";a="887496929" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by FMSMGA003.fm.intel.com with ESMTP; 07 Aug 2017 09:14:52 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.174.25]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id v77GEgnJ016740; Mon, 7 Aug 2017 17:14:51 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Mon, 7 Aug 2017 16:14:16 +0000 Message-Id: <20170807161430.23308-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 In-Reply-To: <20170807161430.23308-1-michal.wajdeczko@intel.com> References: <20170804162712.20468-1-michal.wajdeczko@intel.com> <20170807161430.23308-1-michal.wajdeczko@intel.com> Subject: [Intel-gfx] [PATCH v2 02/16] drm/i915/guc: Prepare send() function to accept bigger response X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This is a preparation step for the upcoming patches. We already can return some small data decoded from the command status, but we will need more in the future. Signed-off-by: Michal Wajdeczko Cc: Oscar Mateo Cc: Michel Thierry Cc: Daniele Ceraolo Spurio Reviewed-by: Michel Thierry --- drivers/gpu/drm/i915/intel_guc_ct.c | 7 ++++--- drivers/gpu/drm/i915/intel_uc.c | 6 ++++-- drivers/gpu/drm/i915/intel_uc.h | 8 ++++---- 3 files changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/intel_guc_ct.c index 1249868..c17cb42 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/intel_guc_ct.c @@ -79,7 +79,7 @@ static int guc_action_register_ct_buffer(struct intel_guc *guc, int err; /* Can't use generic send(), CT registration must go over MMIO */ - err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action)); + err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action), NULL); if (err) DRM_ERROR("CT: register %s buffer failed; err=%d\n", guc_ct_buffer_type_to_str(type), err); @@ -98,7 +98,7 @@ static int guc_action_deregister_ct_buffer(struct intel_guc *guc, int err; /* Can't use generic send(), CT deregistration must go over MMIO */ - err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action)); + err = intel_guc_send_mmio(guc, action, ARRAY_SIZE(action), NULL); if (err) DRM_ERROR("CT: deregister %s buffer failed; owner=%d err=%d\n", guc_ct_buffer_type_to_str(type), owner, err); @@ -395,7 +395,8 @@ static int ctch_send(struct intel_guc *guc, /* * Command Transport (CT) buffer based GuC send function. */ -static int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len) +static int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response) { struct intel_guc_ct_channel *ctch = &guc->ct.host_channel; u32 status = ~0; /* undefined */ diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c index 3aa0f44..1bb3bc0 100644 --- a/drivers/gpu/drm/i915/intel_uc.c +++ b/drivers/gpu/drm/i915/intel_uc.c @@ -459,7 +459,8 @@ void intel_uc_fini_hw(struct drm_i915_private *dev_priv) i915_ggtt_disable_guc(dev_priv); } -int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len) +int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response) { WARN(1, "Unexpected send: action=%#x\n", *action); return -ENODEV; @@ -468,7 +469,8 @@ int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len) /* * This function implements the MMIO based host to GuC interface. */ -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len) +int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response) { struct drm_i915_private *dev_priv = guc_to_i915(guc); u32 status; diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index 22ae52b..53ea5f1 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -206,7 +206,7 @@ struct intel_guc { struct mutex send_mutex; /* GuC's FW specific send function */ - int (*send)(struct intel_guc *guc, const u32 *data, u32 len); + int (*send)(struct intel_guc *guc, const u32 *data, u32 len, u32 *resp); /* GuC's FW specific notify function */ void (*notify)(struct intel_guc *guc); @@ -227,12 +227,12 @@ void intel_uc_fini_fw(struct drm_i915_private *dev_priv); int intel_uc_init_hw(struct drm_i915_private *dev_priv); void intel_uc_fini_hw(struct drm_i915_private *dev_priv); int intel_guc_sample_forcewake(struct intel_guc *guc); -int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len); -int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len); +int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, u32 *response); +int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, u32 *response); static inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len) { - return guc->send(guc, action, len); + return guc->send(guc, action, len, NULL); } static inline void intel_guc_notify(struct intel_guc *guc)