From patchwork Mon Feb 17 15:38:51 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudeep Holla X-Patchwork-Id: 13978166 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 18CE7C021AA for ; Mon, 17 Feb 2025 16:02:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:To:In-Reply-To:References: Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=r1EFFVSKbR2MgjGy6X0+HcfFrrxAeGmYrZyOv60rVVA=; b=nIB95Tp1CxpDSxyOlaHtAHxr1b 8slKQ2pxpW5DjP03o6CZAQz2ayISJLRtjRpHcUHNVmX3Y1wvurOqWTBMEBgxx+2VH7rVUH3fHzson OZdGcOuWdmxK4d6wRhSa4ozlKXdm2MaEe2zaLnIFiIv3ZFaghDfwOtKCcR/J2XLW9n8E3wa0BVvxw a22vjYVFmCqrp06RQupcGqcBhkrq0Fs0PlIB7pjzSEbnK6wv6obsshJlMztyxblGBd3UCVX5bvvHV GmBKtYMSZLIeYFRvKG7aKAP9+qU+uw4wVdUPbQ3XmPGnZhCeHKd6bpNlliQ5U6+Df2UUPlPIBBVLO GqcykQjQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk3Zr-00000005Bn1-2qZf; Mon, 17 Feb 2025 16:02:35 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tk3Df-000000055Y5-1KMI for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2025 15:39:40 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4793D176C; Mon, 17 Feb 2025 07:39:58 -0800 (PST) Received: from e133711.arm.com (e133711.arm.com [10.1.196.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 63A1C3F6A8; Mon, 17 Feb 2025 07:39:38 -0800 (PST) From: Sudeep Holla Date: Mon, 17 Feb 2025 15:38:51 +0000 Subject: [PATCH v3 10/19] firmware: arm_ffa: Add support for passing UUID in FFA_MSG_SEND2 MIME-Version: 1.0 Message-Id: <20250217-ffa_updates-v3-10-bd1d9de615e7@arm.com> References: <20250217-ffa_updates-v3-0-bd1d9de615e7@arm.com> In-Reply-To: <20250217-ffa_updates-v3-0-bd1d9de615e7@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sudeep Holla , Viresh Kumar X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2319; i=sudeep.holla@arm.com; h=from:subject:message-id; bh=U2Pa8cgrduaKloppfthrgCFfrEI2zJBMeuwy12YpDv4=; b=owEBbQKS/ZANAwAIAQBBurwxfuKYAcsmYgBns1gua4jzwB8ulT/HsdvweBObDE1MNmOMPFzpk RyPkgFi3/OJAjMEAAEIAB0WIQS6ceUSBvMeskPdk+EAQbq8MX7imAUCZ7NYLgAKCRAAQbq8MX7i mMiPD/4vawnoANQaxp+gh1u2/cX44bGHYZ5/NH28+CSRb0xMCouFdQzW5sJqifa9lzHIgJBku8T dmmkt3fGIjpBMxHbQt1rSRmQ+7jQgaz4mIGT3Wbg9YrmJ8TfQc3hQ3pCiV/2xHXe7WOQqDSO0AY jKM99UbiLYzLjQf1JdjXOa74Z0mZ3cBySjgQYtbXXwL9aGTMQBi96JIlsEsoAGUbpX3PQL0PF+8 KVHPGeoLfYs+ZdKRKqfLBR+uTbRCl0vPhid7KhT+jrdxr2Kf1apAnKiYZ/tnkb/Eq8RWugjYXi9 IPq0usqoqRHERdyu78TcoEPWC0mTylDZnd7hP1697xKocPFQLi17YkLcjwUsUdQK5SgN6oFtUrn 7AcfATZ6i7TLu5U1KZVGis6YLETe+bYPWRPxD8q16NWgoOClx7SQ2TrZlQx2O9INr68DSzsNsOc kqA7raV8CYynrpoemGbRLefBxODP7k8ha2B5knh+PK+EsUzLbGDDddqszTW3cx9uIRNRmEjFSSB s1tFPZ5e26fPYqBL+EQ52KdoTiDvjNDPQAyQ6ulCV9Lrb161E1WZ9/O1M5qiM1GY4hmyYssgzmG ZHGWf4s87GUs4mkli4Dj4k4O0fHJlsPXc7EkOHlPiS8hhtfhPSwIXOOSpPaeSzmbIsg5sMjiNfF nKiwdWZlibXW3yw== X-Developer-Key: i=sudeep.holla@arm.com; a=openpgp; fpr=7360A21742ADF5A11767C1C139CFD4755FE2D5B4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250217_073939_498597_41850CB7 X-CRM114-Status: GOOD ( 11.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org FF-A v1.2 introduces UUID field in partition message header used in FFA_MSG_SEND2 to enable partitions/endpoints exposing multiple UUIDs. Add the support for passing UUID in FFA_MSG_SEND2. Tested-by: Viresh Kumar Signed-off-by: Sudeep Holla --- drivers/firmware/arm_ffa/driver.c | 7 ++++--- include/linux/arm_ffa.h | 1 + 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 15305920ca9f2bcc72ac7453080f5c10430a3e26..545b1772df0095787b20332a7d5189c71bd5cacd 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -484,9 +484,9 @@ static int ffa_msg_send_direct_req(u16 src_id, u16 dst_id, bool mode_32bit, return -EINVAL; } -static int ffa_msg_send2(u16 src_id, u16 dst_id, void *buf, size_t sz) +static int ffa_msg_send2(struct ffa_device *dev, u16 src_id, void *buf, size_t sz) { - u32 src_dst_ids = PACK_TARGET_INFO(src_id, dst_id); + u32 src_dst_ids = PACK_TARGET_INFO(src_id, dev->vm_id); struct ffa_indirect_msg_hdr *msg; ffa_value_t ret; int retval = 0; @@ -502,6 +502,7 @@ static int ffa_msg_send2(u16 src_id, u16 dst_id, void *buf, size_t sz) msg->offset = sizeof(*msg); msg->send_recv_id = src_dst_ids; msg->size = sz; + uuid_copy(&msg->uuid, &dev->uuid); memcpy((u8 *)msg + msg->offset, buf, sz); /* flags = 0, sender VMID = 0 works for both physical/virtual NS */ @@ -1054,7 +1055,7 @@ static int ffa_sync_send_receive(struct ffa_device *dev, static int ffa_indirect_msg_send(struct ffa_device *dev, void *buf, size_t sz) { - return ffa_msg_send2(drv_info->vm_id, dev->vm_id, buf, sz); + return ffa_msg_send2(dev, drv_info->vm_id, buf, sz); } static int ffa_sync_send_receive2(struct ffa_device *dev, diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 761ea8fe3bb6080c893a5eb365358b62d6a4f3ff..bd78deeff284e2f46d42cfc7af218f4a0f3d1478 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -282,6 +282,7 @@ struct ffa_indirect_msg_hdr { u32 offset; u32 send_recv_id; u32 size; + uuid_t uuid; }; /* For use with FFA_MSG_SEND_DIRECT_{REQ,RESP}2 which pass data via registers */