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[PATCH 09/14] hw/i386/vmport: Add support for CMD_GETTIMEFULL
From: |
Liran Alon |
Subject: |
[PATCH 09/14] hw/i386/vmport: Add support for CMD_GETTIMEFULL |
Date: |
Tue, 10 Mar 2020 01:54:06 +0200 |
Similar to CMD_GETTIME but lacks the 136-year overflow issue,
by returning full 64-bit of host uSeconds.
Reviewed-by: Nikita Leshenko <address@hidden>
Signed-off-by: Liran Alon <address@hidden>
---
hw/i386/vmport.c | 17 +++++++++++++++++
include/hw/i386/pc.h | 1 +
2 files changed, 18 insertions(+)
diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
index 21253933215b..26231fc9d718 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -157,6 +157,22 @@ static uint32_t vmport_cmd_time(void *opaque, uint32_t
addr)
return (uint32_t)tv.tv_sec;
}
+static uint32_t vmport_cmd_time_full(void *opaque, uint32_t addr)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+ qemu_timeval tv;
+
+ if (qemu_gettimeofday(&tv) < 0) {
+ return UINT32_MAX;
+ }
+
+ cpu->env.regs[R_ESI] = (uint32_t)((uint64_t)tv.tv_sec >> 32);
+ cpu->env.regs[R_EDX] = (uint32_t)tv.tv_sec;
+ cpu->env.regs[R_EBX] = (uint32_t)tv.tv_usec;
+ cpu->env.regs[R_ECX] = port_state->max_time_lag_us;
+ return VMPORT_MAGIC;
+}
+
/* vmmouse helpers */
void vmmouse_get_data(uint32_t *data)
{
@@ -202,6 +218,7 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
vmport_register(VMPORT_CMD_GETBIOSUUID, vmport_cmd_get_bios_uuid, NULL);
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);
}
static Property vmport_properties[] = {
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 3ab3541b3a90..14d321e3cbbe 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -146,6 +146,7 @@ typedef enum {
VMPORT_CMD_VMMOUSE_DATA = 39,
VMPORT_CMD_VMMOUSE_STATUS = 40,
VMPORT_CMD_VMMOUSE_COMMAND = 41,
+ VMPORT_CMD_GETTIMEFULL = 46,
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, 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
- 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
- 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 <=
[PATCH 10/14] hw/i386/vmport: Add support for CMD_GET_VCPU_INFO, Liran Alon, 2020/03/09
[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