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Tue, 10 Mar 2020 16:52:00 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 2yp8psg60t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 10 Mar 2020 16:52:00 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 02AGpwoY011670; Tue, 10 Mar 2020 16:51:58 GMT Received: from spark.ravello.local (/213.57.127.2) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 10 Mar 2020 09:51:58 -0700 From: Liran Alon To: qemu-devel@nongnu.org Subject: [PATCH v2 12/16] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO Date: Tue, 10 Mar 2020 18:53:28 +0200 Message-Id: <20200310165332.140774-13-liran.alon@oracle.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200310165332.140774-1-liran.alon@oracle.com> References: <20200310165332.140774-1-liran.alon@oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9556 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 suspectscore=1 mlxscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003100103 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9556 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 impostorscore=0 mlxlogscore=999 suspectscore=1 phishscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003100103 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 156.151.31.85 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ehabkost@redhat.com, mst@redhat.com, Liran Alon , nikita.leshchenko@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Command currently returns that it is unimplemented by setting the reserved-bit in it's return value. Following patches will return various useful vCPU information to guest. Reviewed-by: Nikita Leshenko Signed-off-by: Liran Alon --- hw/i386/vmport.c | 14 ++++++++++++++ include/hw/i386/vmport.h | 1 + 2 files changed, 15 insertions(+) diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c index 445104c71c2b..30641d3ffb20 100644 --- a/hw/i386/vmport.c +++ b/hw/i386/vmport.c @@ -44,6 +44,13 @@ typedef enum { VMX_TYPE_WORKSTATION_ENTERPRISE /* Deprecated type used for ACE 1.x */ } VMXType; +/* vCPU features reported by CMD_GET_VCPU_INFO */ +#define VCPU_INFO_SLC64_BIT 0 +#define VCPU_INFO_SYNC_VTSCS_BIT 1 +#define VCPU_INFO_HV_REPLAY_OK_BIT 2 +#define VCPU_INFO_LEGACY_X2APIC_BIT 3 +#define VCPU_INFO_RESERVED_BIT 31 + #define VMPORT(obj) OBJECT_CHECK(VMPortState, (obj), TYPE_VMPORT) typedef struct VMPortState { @@ -188,6 +195,11 @@ static uint32_t vmport_cmd_time_full(void *opaque, uint32_t addr) return VMPORT_MAGIC; } +static uint32_t vmport_cmd_get_vcpu_info(void *opaque, uint32_t addr) +{ + return 1 << VCPU_INFO_RESERVED_BIT; +} + /* vmmouse helpers */ void vmmouse_get_data(uint32_t *data) { @@ -236,6 +248,8 @@ static void vmport_realizefn(DeviceState *dev, Error **errp) vmport_register(VMPORT_CMD_GETBIOSUUID, vmport_cmd_get_bios_uuid, NULL); vmport_register(VMPORT_CMD_GETTIME, vmport_cmd_time, NULL); vmport_register(VMPORT_CMD_GETTIMEFULL, vmport_cmd_time_full, NULL); + vmport_register(VMPORT_CMD_GET_VCPU_INFO, vmport_cmd_get_vcpu_info, + NULL); } } diff --git a/include/hw/i386/vmport.h b/include/hw/i386/vmport.h index 5d19963ed417..34cc050b1ffa 100644 --- a/include/hw/i386/vmport.h +++ b/include/hw/i386/vmport.h @@ -13,6 +13,7 @@ typedef enum { VMPORT_CMD_VMMOUSE_STATUS = 40, VMPORT_CMD_VMMOUSE_COMMAND = 41, VMPORT_CMD_GETTIMEFULL = 46, + VMPORT_CMD_GET_VCPU_INFO = 68, VMPORT_ENTRIES } VMPortCommand; -- 2.20.1