From nobody Mon Feb 9 08:57:33 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1646589606; cv=none; d=zohomail.com; s=zohoarc; b=eLIQ+Y5dPXOqDclK6ZOPnzrWIUomJIcZ/g+LMVf4On5QbxWqKt1eTwd4Eb5N5rwzaTc346PWD2hfLD2xFytG8TcXEUbzGA80v0jxahUvJgf01uE4q98Kx6OGqooEHkgS4Vf/kZYzN2eMDuwuzCie9vICkyPc413pmSV3uN2mDRM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1646589606; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=CxTvCvqRCp5CaMvPnpJhpNn8FMsnsw1Qmcu7lO6Jg8k=; b=Xz2txy7UXoryE89x2Srg2hflCUDzSFuDcT0UN4KT6ppHH02YS3snXhr0HKhjj/zPqnoc2YW72MFmW6n2DJnCoA4G0GjocZ4HULF0G++CwSfjETTSw04lBtZAg/aJSoNCzcHJvMPWtolFzmq1iogEZhyY3UCaF9azh69hUrzSQL4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 164658960664973.76432121347898; Sun, 6 Mar 2022 10:00:06 -0800 (PST) Received: from localhost ([::1]:57472 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nQvAr-0004GI-Fk for importer@patchew.org; Sun, 06 Mar 2022 13:00:05 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59134) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQv2I-0002QI-9l for qemu-devel@nongnu.org; Sun, 06 Mar 2022 12:51:14 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:2357) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nQv2G-0003Bv-EB for qemu-devel@nongnu.org; Sun, 06 Mar 2022 12:51:14 -0500 Received: from fraeml736-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KBTcr6mpQz67NZm; Mon, 7 Mar 2022 01:49:48 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml736-chm.china.huawei.com (10.206.15.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Sun, 6 Mar 2022 18:51:10 +0100 Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.21; Sun, 6 Mar 2022 17:51:09 +0000 To: , , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov , Markus Armbruster CC: , Ben Widawsky , "Peter Maydell" , Shameerali Kolothum Thodi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , "Dan Williams" Subject: [PATCH v7 19/46] hw/cxl/device: Add some trivial commands Date: Sun, 6 Mar 2022 17:41:10 +0000 Message-ID: <20220306174137.5707-20-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220306174137.5707-1-Jonathan.Cameron@huawei.com> References: <20220306174137.5707-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml706-chm.china.huawei.com (10.201.108.55) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Jonathan Cameron From: Jonathan Cameron via X-ZM-MESSAGEID: 1646589608757100001 Content-Type: text/plain; charset="utf-8" From: Ben Widawsky GET_FW_INFO and GET_PARTITION_INFO, for this emulation, is equivalent to info already returned in the IDENTIFY command. To have a more robust implementation, add those. Signed-off-by: Ben Widawsky Signed-off-by: Jonathan Cameron --- v7: * Use QEMU_PACKED etc from compiler.h (Alex) Note this applies in other patches, not all called out explicitly. * use pstrcpy() rather than snprintf() for a fixed string hw/cxl/cxl-mailbox-utils.c | 69 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 7ed9606c6b..fcd41d9a9d 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -10,6 +10,7 @@ #include "qemu/osdep.h" #include "hw/cxl/cxl.h" #include "hw/pci/pci.h" +#include "qemu/cutils.h" #include "qemu/log.h" #include "qemu/uuid.h" =20 @@ -44,6 +45,8 @@ enum { #define CLEAR_RECORDS 0x1 #define GET_INTERRUPT_POLICY 0x2 #define SET_INTERRUPT_POLICY 0x3 + FIRMWARE_UPDATE =3D 0x02, + #define GET_INFO 0x0 TIMESTAMP =3D 0x03, #define GET 0x0 #define SET 0x1 @@ -52,6 +55,8 @@ enum { #define GET_LOG 0x1 IDENTIFY =3D 0x40, #define MEMORY_DEVICE 0x0 + CCLS =3D 0x41, + #define GET_PARTITION_INFO 0x0 }; =20 /* 8.2.8.4.5.1 Command Return Codes */ @@ -114,6 +119,39 @@ DEFINE_MAILBOX_HANDLER_NOP(events_clear_records); DEFINE_MAILBOX_HANDLER_ZEROED(events_get_interrupt_policy, 4); DEFINE_MAILBOX_HANDLER_NOP(events_set_interrupt_policy); =20 +/* 8.2.9.2.1 */ +static ret_code cmd_firmware_update_get_info(struct cxl_cmd *cmd, + CXLDeviceState *cxl_dstate, + uint16_t *len) +{ + struct { + uint8_t slots_supported; + uint8_t slot_info; + uint8_t caps; + uint8_t rsvd[0xd]; + char fw_rev1[0x10]; + char fw_rev2[0x10]; + char fw_rev3[0x10]; + char fw_rev4[0x10]; + } QEMU_PACKED *fw_info; + QEMU_BUILD_BUG_ON(sizeof(*fw_info) !=3D 0x50); + + if (cxl_dstate->pmem_size < (256 << 20)) { + return CXL_MBOX_INTERNAL_ERROR; + } + + fw_info =3D (void *)cmd->payload; + memset(fw_info, 0, sizeof(*fw_info)); + + fw_info->slots_supported =3D 2; + fw_info->slot_info =3D BIT(0) | BIT(3); + fw_info->caps =3D 0; + pstrcpy(fw_info->fw_rev1, sizeof(fw_info->fw_rev1), "BWFW VERSION 0"); + + *len =3D sizeof(*fw_info); + return CXL_MBOX_SUCCESS; +} + /* 8.2.9.3.1 */ static ret_code cmd_timestamp_get(struct cxl_cmd *cmd, CXLDeviceState *cxl_dstate, @@ -258,6 +296,33 @@ static ret_code cmd_identify_memory_device(struct cxl_= cmd *cmd, return CXL_MBOX_SUCCESS; } =20 +static ret_code cmd_ccls_get_partition_info(struct cxl_cmd *cmd, + CXLDeviceState *cxl_dstate, + uint16_t *len) +{ + struct { + uint64_t active_vmem; + uint64_t active_pmem; + uint64_t next_vmem; + uint64_t next_pmem; + } QEMU_PACKED *part_info =3D (void *)cmd->payload; + QEMU_BUILD_BUG_ON(sizeof(*part_info) !=3D 0x20); + uint64_t size =3D cxl_dstate->pmem_size; + + if (!QEMU_IS_ALIGNED(size, 256 << 20)) { + return CXL_MBOX_INTERNAL_ERROR; + } + + /* PMEM only */ + part_info->active_vmem =3D 0; + part_info->next_vmem =3D 0; + part_info->active_pmem =3D size / (256 << 20); + part_info->next_pmem =3D part_info->active_pmem; + + *len =3D sizeof(*part_info); + return CXL_MBOX_SUCCESS; +} + #define IMMEDIATE_CONFIG_CHANGE (1 << 1) #define IMMEDIATE_POLICY_CHANGE (1 << 3) #define IMMEDIATE_LOG_CHANGE (1 << 4) @@ -271,12 +336,16 @@ static struct cxl_cmd cxl_cmd_set[256][256] =3D { cmd_events_get_interrupt_policy, 0, 0 }, [EVENTS][SET_INTERRUPT_POLICY] =3D { "EVENTS_SET_INTERRUPT_POLICY", cmd_events_set_interrupt_policy, 4, IMMEDIATE_CONFIG_CHANGE }, + [FIRMWARE_UPDATE][GET_INFO] =3D { "FIRMWARE_UPDATE_GET_INFO", + cmd_firmware_update_get_info, 0, 0 }, [TIMESTAMP][GET] =3D { "TIMESTAMP_GET", cmd_timestamp_get, 0, 0 }, [TIMESTAMP][SET] =3D { "TIMESTAMP_SET", cmd_timestamp_set, 8, IMMEDIAT= E_POLICY_CHANGE }, [LOGS][GET_SUPPORTED] =3D { "LOGS_GET_SUPPORTED", cmd_logs_get_support= ed, 0, 0 }, [LOGS][GET_LOG] =3D { "LOGS_GET_LOG", cmd_logs_get_log, 0x18, 0 }, [IDENTIFY][MEMORY_DEVICE] =3D { "IDENTIFY_MEMORY_DEVICE", cmd_identify_memory_device, 0, 0 }, + [CCLS][GET_PARTITION_INFO] =3D { "CCLS_GET_PARTITION_INFO", + cmd_ccls_get_partition_info, 0, 0 }, }; =20 void cxl_process_mailbox(CXLDeviceState *cxl_dstate) --=20 2.32.0