142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
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/*
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* Copyright (c) 2017-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _TEGRA_HV_SYSMGR_H
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#define _TEGRA_HV_SYSMGR_H
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#include <linux/types.h>
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#define SYSMGR_IVCMSG_SIZE_MAX 64
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enum hv_sysmgr_msg_type {
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HV_SYSMGR_MSG_TYPE_GUEST_EVENT = 1,
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HV_SYSMGR_MSG_TYPE_VM_PM_CTL_CMD = 2,
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HV_SYSMGR_MSG_TYPE_INVALID
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};
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enum hv_sysmgr_cmd_id {
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HV_SYSMGR_CMD_NORMAL_SHUTDOWN = 0x0,
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HV_SYSMGR_CMD_NORMAL_REBOOT = 0x1,
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HV_SYSMGR_CMD_NORMAL_SUSPEND = 0x2,
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HV_SYSMGR_CMD_NORMAL_RESUME = 0x3,
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HV_SYSMGR_CMD_INVALID = 0xFFFFFFFF,
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};
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enum hv_sysmgr_resp_id {
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HV_SYSMGR_RESP_ACCEPTED = 0x0,
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HV_SYSMGR_RESP_UNKNOWN_COMMAND = 0xF,
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};
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/* This struct comes as payload of hv_pm_ctl_message */
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struct hv_sysmgr_command {
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uint32_t cmd_id;
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uint32_t resp_id;
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} __packed;
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struct hv_sysmgr_message {
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/* msg class */
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uint32_t msg_type;
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/* id of open socket */
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uint32_t socket_id;
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/* client data area. Payload */
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uint8_t client_data[SYSMGR_IVCMSG_SIZE_MAX];
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} __packed;
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/*
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* QUERY_SYSTEM_STATE COMMAND DATA LAYOUT
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*/
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struct hyp_sys_state_info {
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/* Indicates System State Transition */
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uint32_t sys_transition_mask;
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/* Indicates which VM shutdown request is pending */
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uint32_t vm_shutdown_mask;
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/* Indicates which VM reboot request is pending */
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uint32_t vm_reboot_mask;
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/* Indicates which VM suspend request is pending */
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uint32_t vm_suspend_phase_1_mask;
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uint32_t vm_suspend_phase_2_mask;
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/* Indicates which VM resume request is pending */
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uint32_t vm_resume_mask;
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};
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/*
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* Power management calls ID's used by SYSMGR to manage LOCAL/GLOBAL EVENTS
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*/
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enum system_function_id {
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INVALID_FUNC,
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/*
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* This is used to get reboot/shutdown masks per VM from hypervisor.
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* Hypervisor updates state fields on a PSCI event from the VM.
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*/
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QUERY_SYSTEM_STATE,
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GUEST_SHUTDOWN_INIT,
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GUEST_SHUTDOWN_COMPLETE,
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GUEST_REBOOT_INIT,
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GUEST_REBOOT_CONTINUE,
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GUEST_REBOOT_COMPLETE,
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SYSTEM_SHUTDOWN_INIT,
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SYSTEM_SHUTDOWN_COMPLETE,
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SYSTEM_REBOOT_INIT,
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SYSTEM_REBOOT_COMPLETE,
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GUEST_SUSPEND_REQ,
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GUEST_SUSPEND_INIT,
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GUEST_SUSPEND_COMPLETE,
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GUEST_RESUME_INIT,
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GUEST_RESUME_COMPLETE,
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GUEST_PAUSE,
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SYSTEM_SUSPEND_INIT,
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SYSTEM_SUSPEND_COMPLETE,
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MAX_FUNC_ID,
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};
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typedef enum {
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VM_STATE_BOOT,
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VM_STATE_HALT,
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VM_STATE_UNHALT,
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VM_STATE_REBOOT,
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VM_STATE_SHUTDOWN,
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VM_STATE_SUSPEND,
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VM_STATE_RESUME,
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VM_STATE_INVALID,
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VM_STATE_MAX
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} vm_state;
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#define CREATE_CMD(func_id, vmid) ((func_id << 24U) | vmid)
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#define QUERY_CMD CREATE_CMD(QUERY_SYSTEM_STATE, 0)
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#define GUEST_SHUTDOWN_INIT_CMD(vmid) CREATE_CMD(GUEST_SHUTDOWN_INIT, vmid)
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#define GUEST_SHUTDOWN_COMPLETE_CMD(vmid) \
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CREATE_CMD(GUEST_SHUTDOWN_COMPLETE, vmid)
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#define GUEST_REBOOT_INIT_CMD(vmid) CREATE_CMD(GUEST_REBOOT_INIT, vmid)
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#define GUEST_REBOOT_CONTINUE_CMD(vmid) CREATE_CMD(GUEST_REBOOT_CONTINUE, vmid)
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#define GUEST_REBOOT_COMPLETE_CMD(vmid) CREATE_CMD(GUEST_REBOOT_COMPLETE, vmid)
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#define SYS_SHUTDOWN_INIT_CMD CREATE_CMD(SYSTEM_SHUTDOWN_INIT, 0)
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#define SYS_SHUTDOWN_COMPLETE_CMD CREATE_CMD(SYSTEM_SHUTDOWN_COMPLETE, 0)
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#define SYS_REBOOT_INIT_CMD CREATE_CMD(SYSTEM_REBOOT_INIT, 0)
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#define SYS_REBOOT_COMPLETE_CMD CREATE_CMD(SYSTEM_REBOOT_COMPLETE, 0)
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#define GUEST_SUSPEND_REQ_CMD(vmid) CREATE_CMD(GUEST_SUSPEND_REQ,vmid)
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#define GUEST_SUSPEND_INIT_CMD(vmid) CREATE_CMD(GUEST_SUSPEND_INIT,vmid)
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#define GUEST_SUSPEND_COMPLETE_CMD(vmid) \
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CREATE_CMD(GUEST_SUSPEND_COMPLETE,vmid)
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#define GUEST_RESUME_INIT_CMD(vmid) CREATE_CMD(GUEST_RESUME_INIT,vmid)
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#define GUEST_RESUME_COMPLETE_CMD(vmid) CREATE_CMD(GUEST_RESUME_COMPLETE,vmid)
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#define GUEST_PAUSE_CMD(vmid) CREATE_CMD(GUEST_PAUSE, vmid)
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#define SYS_SUSPEND_INIT_CMD CREATE_CMD(SYSTEM_SUSPEND_INIT, 0)
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#define SYS_SUSPEND_COMPLETE_CMD CREATE_CMD(SYSTEM_SUSPEND_COMPLETE, 0)
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#endif /* _TEGRA_HV_SYSMGR_H */
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