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[PATCH 10/14] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO
From: |
Liran Alon |
Subject: |
[PATCH 10/14] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO |
Date: |
Tue, 10 Mar 2020 01:54:07 +0200 |
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 <address@hidden>
Signed-off-by: Liran Alon <address@hidden>
---
hw/i386/vmport.c | 13 +++++++++++++
include/hw/i386/pc.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
index 26231fc9d718..b33ef9c01d65 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -42,6 +42,13 @@ typedef enum {
VMX_TYPE_WORKSTATION_ENTERPRISE /* Deprecated type used for ACE 1.x */
} VMX_Type;
+/* 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 {
@@ -173,6 +180,11 @@ 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)
{
@@ -219,6 +231,7 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, 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);
}
static Property vmport_properties[] = {
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 14d321e3cbbe..e880ca39ee3b 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -147,6 +147,7 @@ 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
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, (continued)
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, Michael S. Tsirkin, 2020/03/10
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, Liran Alon, 2020/03/10
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, Michael S. Tsirkin, 2020/03/10
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, Liran Alon, 2020/03/10
- Re: [PATCH 05/14] hw/i386/vmport: Report VMX type in CMD_GETVERSION, Michael S. Tsirkin, 2020/03/10
[PATCH 09/14] hw/i386/vmport: Add support for CMD_GETTIMEFULL, Liran Alon, 2020/03/09
[PATCH 10/14] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO,
Liran Alon <=
[PATCH 11/14] hw/i386/vmport: Allow x2apic without IR, Liran Alon, 2020/03/09
[PATCH 12/14] i386/cpu: Store LAPIC bus frequency in CPU structure, Liran Alon, 2020/03/09
[PATCH 14/14] hw/i386/vmport: Assert vmport initialized before registering commands, Liran Alon, 2020/03/09
[PATCH 13/14] hw/i386/vmport: Add support for CMD_GETHZ, Liran Alon, 2020/03/09