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DM: add function of get px count and data

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The px count and data is per-cpu so we should query them for specific
vm and specific vcpu, for px data we need to specify px num also.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Victor Sun 2018-04-05 04:49:56 +08:00 committed by Jack Ren
parent 263bdf6cf2
commit ea662e6d49
2 changed files with 85 additions and 0 deletions
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1
devicemodel/Makefile
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@ -78,6 +78,7 @@ SRCS += hw/pci/virtio/virtio_hyper_dmabuf.c
SRCS += hw/pci/irq.c
SRCS += hw/pci/uart.c
SRCS += hw/acpi/acpi.c
SRCS += hw/acpi/acpi_pm.c
# core
#SRCS += core/bootrom.c

84
devicemodel/hw/acpi/acpi_pm.c Normal file
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@ -0,0 +1,84 @@
/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include "vmm.h"
#include "vmmapi.h"
#include "dm.h"
#include "acpi.h"
uint8_t get_vcpu_px_cnt(struct vmctx *ctx, int vcpu_id)
{
uint64_t pm_ioctl_buf = 0;
enum pm_cmd_type cmd_type = PMCMD_GET_PX_CNT;
pm_ioctl_buf = ((ctx->vmid << PMCMD_VMID_SHIFT) & PMCMD_VMID_MASK)
| ((vcpu_id << PMCMD_VCPUID_SHIFT) & PMCMD_VCPUID_MASK)
| cmd_type;
if (vm_get_cpu_state(ctx, &pm_ioctl_buf)) {
return 0;
}
return (uint8_t)pm_ioctl_buf;
}
int get_vcpu_px_data(struct vmctx *ctx, int vcpu_id,
int px_num, struct cpu_px_data *vcpu_px_data)
{
uint64_t *pm_ioctl_buf;
enum pm_cmd_type cmd_type = PMCMD_GET_PX_DATA;
pm_ioctl_buf = malloc(sizeof(struct cpu_px_data));
if (!pm_ioctl_buf) {
return -1;
}
*pm_ioctl_buf = ((ctx->vmid << PMCMD_VMID_SHIFT) & PMCMD_VMID_MASK)
| ((vcpu_id << PMCMD_VCPUID_SHIFT) & PMCMD_VCPUID_MASK)
| ((px_num << PMCMD_STATE_NUM_SHIFT) & PMCMD_STATE_NUM_MASK)
| cmd_type;
/* get and validate px data */
if (vm_get_cpu_state(ctx, pm_ioctl_buf)) {
free(pm_ioctl_buf);
return -1;
}
memcpy(vcpu_px_data, pm_ioctl_buf,
sizeof(struct cpu_px_data));
free(pm_ioctl_buf);
return 0;
}