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[PULL 034/115] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO
From: |
Paolo Bonzini |
Subject: |
[PULL 034/115] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO |
Date: |
Thu, 11 Jun 2020 15:43:28 -0400 |
From: Liran Alon <liran.alon@oracle.com>
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 <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-13-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
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 8006ff91d4..942a0e94e3 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -54,6 +54,13 @@
#define VMPORT_COMPAT_CMDS_V2 \
(1 << VMPORT_COMPAT_CMDS_V2_BIT)
+/* 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 {
@@ -167,6 +174,11 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t
addr)
return ram_size;
}
+static uint32_t vmport_cmd_get_vcpu_info(void *opaque, uint32_t addr)
+{
+ return 1 << VCPU_INFO_RESERVED_BIT;
+}
+
static const MemoryRegionOps vmport_ops = {
.read = vmport_ioport_read,
.write = vmport_ioport_write,
@@ -192,6 +204,8 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL);
if (s->compat_flags & VMPORT_COMPAT_CMDS_V2) {
vmport_register(VMPORT_CMD_GETBIOSUUID, vmport_cmd_get_bios_uuid,
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 7f566ccc02..7656432358 100644
--- a/include/hw/i386/vmport.h
+++ b/include/hw/i386/vmport.h
@@ -13,6 +13,7 @@ typedef enum {
VMPORT_CMD_VMMOUSE_DATA = 39,
VMPORT_CMD_VMMOUSE_STATUS = 40,
VMPORT_CMD_VMMOUSE_COMMAND = 41,
+ VMPORT_CMD_GET_VCPU_INFO = 68,
VMPORT_ENTRIES
} VMPortCommand;
--
2.26.2
- [PULL 039/115] accel: Move Xen accelerator code under accel/xen/, (continued)
- [PULL 039/115] accel: Move Xen accelerator code under accel/xen/, Paolo Bonzini, 2020/06/11
- [PULL 026/115] hw/i386/vmport: Add device properties, Paolo Bonzini, 2020/06/11
- [PULL 051/115] target/i386: implement special cases for fxtract, Paolo Bonzini, 2020/06/11
- [PULL 056/115] exec: Let address_space_read/write_cached() propagate MemTxResult, Paolo Bonzini, 2020/06/11
- [PULL 038/115] hw/i386/vmport: Assert vmport initialized before registering commands, Paolo Bonzini, 2020/06/11
- [PULL 042/115] qom/object: simplify type_initialize_interface(), Paolo Bonzini, 2020/06/11
- [PULL 046/115] hax: Dynamic allocate vcpu state structure, Paolo Bonzini, 2020/06/11
- [PULL 053/115] target/i386: fix fscale handling of invalid exponent encodings, Paolo Bonzini, 2020/06/11
- [PULL 052/115] target/i386: fix fscale handling of signaling NaN, Paolo Bonzini, 2020/06/11
- [PULL 043/115] qom/object: pass (Object *) to object_initialize_with_type(), Paolo Bonzini, 2020/06/11
- [PULL 034/115] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO,
Paolo Bonzini <=
- [PULL 049/115] megasas: avoid NULL pointer dereference, Paolo Bonzini, 2020/06/11
- [PULL 061/115] target/i386: fix fxam handling of invalid encodings, Paolo Bonzini, 2020/06/11
- [PULL 062/115] target/i386: fix fbstp handling of negative zero, Paolo Bonzini, 2020/06/11
- [PULL 065/115] hw/i386/vmport: Allow QTest use without crashing, Paolo Bonzini, 2020/06/11
- [PULL 063/115] target/i386: fix fbstp handling of out-of-range values, Paolo Bonzini, 2020/06/11
- [PULL 054/115] target/i386: fix fscale handling of infinite exponents, Paolo Bonzini, 2020/06/11
- [PULL 044/115] qom/container: remove .instance_size initializer from container_info, Paolo Bonzini, 2020/06/11
- [PULL 037/115] hw/i386/vmport: Add support for CMD_GETHZ, Paolo Bonzini, 2020/06/11
- [PULL 045/115] cpus: Fix botched configure_icount() error API violation fix, Paolo Bonzini, 2020/06/11
- [PULL 041/115] qom/object: factor out the initialization of hash table of properties, Paolo Bonzini, 2020/06/11