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 980FBC47DDB for ; Mon, 22 Jan 2024 17:05:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 476A210EC9B; Mon, 22 Jan 2024 17:05:06 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 80EC710ECA3 for ; Mon, 22 Jan 2024 17:05:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1705943103; x=1737479103; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=P7BKRxL6ubhssquOnxnINpUdYC5XJcBxc9GDC2YkEA4=; b=NyBQXDZ4v3gU5oFua1nVaNzGH4ZSJlppkwRJruKPh2nMnRhCw401o0qc lsmxkzdPSifHBaA3w9LkXNyJj6cZWRcmyc1Xn4NSwSco8oEtEDDQl4qrC QVpPvyEc95VKb1w347ytcyH4uTeRHM+IC9J89UMa4/Yr0/idTxp8agdBT XVtMvAvu8gm+7pDsksAySLByxJt3Pxr1Tx0PO3B7hlAxgKZ4iZtyrVtZC swyTN7qCXv1qYa4N/m5YSzoUr7LM6rSgPl5cYHbRx1z4X7YaZ+K1wLFul bEsEVD5AZs5buU8xdzn5OWH5l6YqNtKajqO/8GcLT9ufkVXxXj2UmQogL Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10961"; a="8020201" X-IronPort-AV: E=Sophos;i="6.05,211,1701158400"; d="scan'208";a="8020201" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jan 2024 09:05:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10961"; a="735228256" X-IronPort-AV: E=Sophos;i="6.05,211,1701158400"; d="scan'208";a="735228256" Received: from josouza-mobl2.bz.intel.com ([10.87.243.88]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jan 2024 09:05:00 -0800 From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= To: intel-xe@lists.freedesktop.org Subject: [PATCH 3/9] drm/xe: Add functions to convert regular address to canonical address and back Date: Mon, 22 Jan 2024 09:04:39 -0800 Message-ID: <20240122170445.108856-3-jose.souza@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122170445.108856-1-jose.souza@intel.com> References: <20240122170445.108856-1-jose.souza@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: , Cc: Maarten Lankhorst , Rodrigo Vivi Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Some instructions requires canonical address like MI_BATCH_BUFFER_START(UMDs must call xe_exec with a canonical address for Xe2+). So here adding functions to convert regular address to canonical address and back, the first user of this functions will be added in the next patches. Cc: Rodrigo Vivi Cc: Maarten Lankhorst Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/xe/xe_device.c | 15 +++++++++++++++ drivers/gpu/drm/xe/xe_device.h | 3 +++ 2 files changed, 18 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index ab417f4f7d2a7..b4cdcf1b2081a 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -727,3 +727,18 @@ void xe_device_mem_access_put(struct xe_device *xe) xe_assert(xe, ref >= 0); } + +static inline int highest_address_bit_get(struct xe_device *xe) +{ + return xe->info.dma_mask_size > 48 ? 57 : 47; +} + +u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address) +{ + return sign_extend64(address, highest_address_bit_get(xe)); +} + +u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address) +{ + return address & GENMASK_ULL(highest_address_bit_get(xe), 0); +} diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h index af8ac2e9e2709..ce20f6fe6219a 100644 --- a/drivers/gpu/drm/xe/xe_device.h +++ b/drivers/gpu/drm/xe/xe_device.h @@ -175,4 +175,7 @@ static inline bool xe_device_has_memirq(struct xe_device *xe) u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size); +u64 xe_device_canonicalize_addr(struct xe_device *xe, u64 address); +u64 xe_device_uncanonicalize_addr(struct xe_device *xe, u64 address); + #endif -- 2.43.0