From patchwork Mon Sep 11 12:59:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 721604 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 923ADEE3F15 for ; Mon, 11 Sep 2023 20:52:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235522AbjIKUtV (ORCPT ); Mon, 11 Sep 2023 16:49:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237572AbjIKM7y (ORCPT ); Mon, 11 Sep 2023 08:59:54 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A261E67; Mon, 11 Sep 2023 05:59:47 -0700 (PDT) X-UUID: 12be2d8250a311eea33bb35ae8d461a2-20230911 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=dIRe74TYCLjaq9wviyrRI/aMg0ZS6PQ9Eb7/EwRV9LQ=; b=VARvlywUsVPIaz+AeFb9wQr6BJdmuHLXNi8xuEvOqGQqVO+krCGClyxB6ffdg/OETP2ug4uAOcCUjV443CSaMqn671jdTQAT68vR+o80OqN+CyF/qyZDibtGn8WUeKcMK7d9KhxtZAuLChpB2pBEzDgn5EdLL45lKpC5Q9WeKhY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31, REQID:165a37fb-a613-48ca-a52c-8bf6143eff5f, IP:0, U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:0ad78a4, CLOUDID:686b90ef-9a6e-4c39-b73e-f2bc08ca3dc5, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO, DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 12be2d8250a311eea33bb35ae8d461a2-20230911 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1904092212; Mon, 11 Sep 2023 20:59:41 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 11 Sep 2023 20:59:40 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 11 Sep 2023 20:59:39 +0800 From: Yunfei Dong To: =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E_A_=2E_Prado?= , Nicolas Dufresne , Hans Verkuil , AngeloGioacchino Del Regno , Benjamin Gaignard , Nathan Hebert CC: Chen-Yu Tsai , Hsin-Yi Wang , Fritz Koenig , Daniel Vetter , Steve Cho , Yunfei Dong , , , , , , Subject: [PATCH 02/14] media: mediatek: vcodec: allocate tee share memory Date: Mon, 11 Sep 2023 20:59:24 +0800 Message-ID: <20230911125936.10648-3-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230911125936.10648-1-yunfei.dong@mediatek.com> References: <20230911125936.10648-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Allocate two share memory for each lat and core hardware used to share information with optee-os. Msg buffer used to send ipi command and get ack command with optee-os, data buffer used to store vsi information which used for hardware decode. Signed-off-by: Yunfei Dong --- .../vcodec/decoder/mtk_vcodec_dec_optee.c | 79 ++++++++++++++++++- .../vcodec/decoder/mtk_vcodec_dec_optee.h | 32 ++++++++ 2 files changed, 110 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c index 3ee9039d2a5b..806ca87c8de7 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.c @@ -47,12 +47,67 @@ int mtk_vcodec_dec_optee_private_init(struct mtk_vcodec_dec_dev *vcodec_dev) } EXPORT_SYMBOL_GPL(mtk_vcodec_dec_optee_private_init); +static void mtk_vcodec_dec_optee_deinit_memref(struct mtk_vdec_optee_ca_info *ca_info, + enum mtk_vdec_optee_data_index data_index) +{ + tee_shm_free(ca_info->shm_memref[data_index].msg_shm); +} + +static int mtk_vcodec_dec_optee_init_memref(struct tee_context *tee_vdec_ctx, + struct mtk_vdec_optee_ca_info *ca_info, + enum mtk_vdec_optee_data_index data_index) +{ + struct mtk_vdec_optee_shm_memref *shm_memref; + int alloc_size = 0, err = 0; + u64 shm_param_type = 0; + bool copy_buffer; + + if (data_index >= OPTEE_MAX_INDEX) { + pr_err(MTK_DBG_VCODEC_STR "tee invalid data_index: %d.\n", data_index); + return -EINVAL; + } else if (data_index == OPTEE_MSG_INDEX) { + shm_param_type = TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT; + alloc_size = MTK_VDEC_OPTEE_MSG_SIZE; + copy_buffer = true; + } else { + shm_param_type = TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT; + alloc_size = MTK_VDEC_OPTEE_HW_SIZE; + copy_buffer = false; + } + + shm_memref = &ca_info->shm_memref[data_index]; + + /* Allocate dynamic shared memory with decoder TA */ + shm_memref->msg_shm_size = alloc_size; + shm_memref->param_type = shm_param_type; + shm_memref->copy_to_ta = copy_buffer; + shm_memref->msg_shm = + tee_shm_alloc_kernel_buf(tee_vdec_ctx, shm_memref->msg_shm_size); + if (IS_ERR(shm_memref->msg_shm)) { + pr_err(MTK_DBG_VCODEC_STR "tee alloc buf fail: data_index:%d.\n", data_index); + return -ENOMEM; + } + + shm_memref->msg_shm_ca_buf = tee_shm_get_va(shm_memref->msg_shm, 0); + if (IS_ERR(shm_memref->msg_shm_ca_buf)) { + pr_err(MTK_DBG_VCODEC_STR "tee get shm va fail: data_index:%d.\n", data_index); + err = PTR_ERR(shm_memref->msg_shm_ca_buf); + goto err_get_msg_va; + } + + return err; + +err_get_msg_va: + tee_shm_free(shm_memref->msg_shm); + return err; +} + static int mtk_vcodec_dec_optee_init_hw_info(struct mtk_vdec_optee_private *optee_private, enum mtk_vdec_hw_id hardware_index) { struct tee_ioctl_open_session_arg session_arg; struct mtk_vdec_optee_ca_info *ca_info; - int err = 0, session_func; + int err = 0, i = 0, j = 0, session_func; /* Open lat and core session with vdec TA. */ if (hardware_index == MTK_VDEC_LAT0) { @@ -81,6 +136,24 @@ static int mtk_vcodec_dec_optee_init_hw_info(struct mtk_vdec_optee_private *opte pr_debug(MTK_DBG_VCODEC_STR "open vdec tee session: hw_id(%d) session_id=%x.\n", hardware_index, ca_info->vdec_session_id); + /* Allocate dynamic shared memory with decoder TA */ + for (; i < OPTEE_MAX_INDEX; i++) { + err = mtk_vcodec_dec_optee_init_memref(optee_private->tee_vdec_ctx, ca_info, i); + if (err) { + pr_err(MTK_DBG_VCODEC_STR "init vdec memref failed: %d.\n", i); + goto err_init_memref; + } + } + + return err; +err_init_memref: + if (i != 0) { + for (; j < i; j++) + mtk_vcodec_dec_optee_deinit_memref(ca_info, j); + } + + tee_client_close_session(optee_private->tee_vdec_ctx, ca_info->vdec_session_id); + return err; } @@ -88,12 +161,16 @@ static void mtk_vcodec_dec_optee_deinit_hw_info(struct mtk_vdec_optee_private *o enum mtk_vdec_hw_id hw_id) { struct mtk_vdec_optee_ca_info *ca_info; + int i = 0; if (hw_id == MTK_VDEC_LAT0) ca_info = &optee_private->lat_ca; else ca_info = &optee_private->core_ca; + for (; i < OPTEE_MAX_INDEX; i++) + mtk_vcodec_dec_optee_deinit_memref(ca_info, i); + tee_client_close_session(optee_private->tee_vdec_ctx, ca_info->vdec_session_id); } diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h index 8b1dca49331e..79b4ec890655 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_optee.h @@ -18,16 +18,48 @@ #define MTK_OPTEE_MAX_TEE_PARAMS 4 +#define MTK_VDEC_OPTEE_MSG_SIZE 128 +#define MTK_VDEC_OPTEE_HW_SIZE (8 * SZ_1K) + +/** + * struct mtk_vdec_optee_shm_memref - share memory reference params + * @msg_shm: message shared with TA in TEE. + * @msg_shm_ca_buf: ca buffer. + * + * @msg_shm_size: share message size. + * @param_type: each tee param types. + * @copy_to_ta: need to copy data from ca to share memory. + */ +struct mtk_vdec_optee_shm_memref { + struct tee_shm *msg_shm; + u8 *msg_shm_ca_buf; + + u32 msg_shm_size; + u64 param_type; + bool copy_to_ta; +}; + /** * struct mtk_vdec_optee_ca_info - ca related param * @vdec_session_id: optee TA session identifier. * @hw_id: hardware index. * @vdec_session_func: trusted application function id used specific to the TA. + * @shm_memref: share memory reference params. */ struct mtk_vdec_optee_ca_info { u32 vdec_session_id; enum mtk_vdec_hw_id hw_id; u32 vdec_session_func; + struct mtk_vdec_optee_shm_memref shm_memref[MTK_OPTEE_MAX_TEE_PARAMS]; +}; + +/* + * enum mtk_vdec_optee_data_index - used to indentify each share memory informaiton + */ +enum mtk_vdec_optee_data_index { + OPTEE_MSG_INDEX = 0, + OPTEE_DATA_INDEX, + OPTEE_MAX_INDEX, }; /**