650 lines
18 KiB
C
650 lines
18 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
||
|
|
/*
|
||
|
|
* Userspace interface for /dev/acrn_hsm - ACRN Hypervisor Service Module
|
||
|
|
*
|
||
|
|
* This file can be used by applications that need to communicate with the HSM
|
||
|
|
* via the ioctl interface.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2021 Intel Corporation. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UAPI_ACRN_H
|
||
|
|
#define _UAPI_ACRN_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#define ACRN_IO_REQUEST_MAX 16
|
||
|
|
|
||
|
|
#define ACRN_IOREQ_STATE_PENDING 0
|
||
|
|
#define ACRN_IOREQ_STATE_COMPLETE 1
|
||
|
|
#define ACRN_IOREQ_STATE_PROCESSING 2
|
||
|
|
#define ACRN_IOREQ_STATE_FREE 3
|
||
|
|
|
||
|
|
#define ACRN_IOREQ_TYPE_PORTIO 0
|
||
|
|
#define ACRN_IOREQ_TYPE_MMIO 1
|
||
|
|
#define ACRN_IOREQ_TYPE_PCICFG 2
|
||
|
|
|
||
|
|
#define ACRN_IOREQ_DIR_READ 0
|
||
|
|
#define ACRN_IOREQ_DIR_WRITE 1
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_mmio_request - Info of a MMIO I/O request
|
||
|
|
* @direction: Access direction of this request (ACRN_IOREQ_DIR_*)
|
||
|
|
* @reserved: Reserved for alignment and should be 0
|
||
|
|
* @address: Access address of this MMIO I/O request
|
||
|
|
* @size: Access size of this MMIO I/O request
|
||
|
|
* @value: Read/write value of this MMIO I/O request
|
||
|
|
*/
|
||
|
|
struct acrn_mmio_request {
|
||
|
|
__u32 direction;
|
||
|
|
__u32 reserved;
|
||
|
|
__u64 address;
|
||
|
|
__u64 size;
|
||
|
|
__u64 value;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_pio_request - Info of a PIO I/O request
|
||
|
|
* @direction: Access direction of this request (ACRN_IOREQ_DIR_*)
|
||
|
|
* @reserved: Reserved for alignment and should be 0
|
||
|
|
* @address: Access address of this PIO I/O request
|
||
|
|
* @size: Access size of this PIO I/O request
|
||
|
|
* @value: Read/write value of this PIO I/O request
|
||
|
|
*/
|
||
|
|
struct acrn_pio_request {
|
||
|
|
__u32 direction;
|
||
|
|
__u32 reserved;
|
||
|
|
__u64 address;
|
||
|
|
__u64 size;
|
||
|
|
__u32 value;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_pci_request - Info of a PCI I/O request
|
||
|
|
* @direction: Access direction of this request (ACRN_IOREQ_DIR_*)
|
||
|
|
* @reserved: Reserved for alignment and should be 0
|
||
|
|
* @size: Access size of this PCI I/O request
|
||
|
|
* @value: Read/write value of this PIO I/O request
|
||
|
|
* @bus: PCI bus value of this PCI I/O request
|
||
|
|
* @dev: PCI device value of this PCI I/O request
|
||
|
|
* @func: PCI function value of this PCI I/O request
|
||
|
|
* @reg: PCI config space offset of this PCI I/O request
|
||
|
|
*
|
||
|
|
* Need keep same header layout with &struct acrn_pio_request.
|
||
|
|
*/
|
||
|
|
struct acrn_pci_request {
|
||
|
|
__u32 direction;
|
||
|
|
__u32 reserved[3];
|
||
|
|
__u64 size;
|
||
|
|
__u32 value;
|
||
|
|
__u32 bus;
|
||
|
|
__u32 dev;
|
||
|
|
__u32 func;
|
||
|
|
__u32 reg;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_io_request - 256-byte ACRN I/O request
|
||
|
|
* @type: Type of this request (ACRN_IOREQ_TYPE_*).
|
||
|
|
* @completion_polling: Polling flag. Hypervisor will poll completion of the
|
||
|
|
* I/O request if this flag set.
|
||
|
|
* @reserved0: Reserved fields.
|
||
|
|
* @reqs: Union of different types of request. Byte offset: 64.
|
||
|
|
* @reqs.pio_request: PIO request data of the I/O request.
|
||
|
|
* @reqs.pci_request: PCI configuration space request data of the I/O request.
|
||
|
|
* @reqs.mmio_request: MMIO request data of the I/O request.
|
||
|
|
* @reqs.data: Raw data of the I/O request.
|
||
|
|
* @reserved1: Reserved fields.
|
||
|
|
* @kernel_handled: Flag indicates this request need be handled in kernel.
|
||
|
|
* @processed: The status of this request (ACRN_IOREQ_STATE_*).
|
||
|
|
*
|
||
|
|
* The state transitions of ACRN I/O request:
|
||
|
|
*
|
||
|
|
* FREE -> PENDING -> PROCESSING -> COMPLETE -> FREE -> ...
|
||
|
|
*
|
||
|
|
* An I/O request in COMPLETE or FREE state is owned by the hypervisor. HSM and
|
||
|
|
* ACRN userspace are in charge of processing the others.
|
||
|
|
*
|
||
|
|
* On basis of the states illustrated above, a typical lifecycle of ACRN IO
|
||
|
|
* request would look like:
|
||
|
|
*
|
||
|
|
* Flow (assume the initial state is FREE)
|
||
|
|
* |
|
||
|
|
* | Service VM vCPU 0 Service VM vCPU x User vCPU y
|
||
|
|
* |
|
||
|
|
* | hypervisor:
|
||
|
|
* | fills in type, addr, etc.
|
||
|
|
* | pauses the User VM vCPU y
|
||
|
|
* | sets the state to PENDING (a)
|
||
|
|
* | fires an upcall to Service VM
|
||
|
|
* |
|
||
|
|
* | HSM:
|
||
|
|
* | scans for PENDING requests
|
||
|
|
* | sets the states to PROCESSING (b)
|
||
|
|
* | assigns the requests to clients (c)
|
||
|
|
* V
|
||
|
|
* | client:
|
||
|
|
* | scans for the assigned requests
|
||
|
|
* | handles the requests (d)
|
||
|
|
* | HSM:
|
||
|
|
* | sets states to COMPLETE
|
||
|
|
* | notifies the hypervisor
|
||
|
|
* |
|
||
|
|
* | hypervisor:
|
||
|
|
* | resumes User VM vCPU y (e)
|
||
|
|
* |
|
||
|
|
* | hypervisor:
|
||
|
|
* | post handling (f)
|
||
|
|
* V sets states to FREE
|
||
|
|
*
|
||
|
|
* Note that the procedures (a) to (f) in the illustration above require to be
|
||
|
|
* strictly processed in the order. One vCPU cannot trigger another request of
|
||
|
|
* I/O emulation before completing the previous one.
|
||
|
|
*
|
||
|
|
* Atomic and barriers are required when HSM and hypervisor accessing the state
|
||
|
|
* of &struct acrn_io_request.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
struct acrn_io_request {
|
||
|
|
__u32 type;
|
||
|
|
__u32 completion_polling;
|
||
|
|
__u32 reserved0[14];
|
||
|
|
union {
|
||
|
|
struct acrn_pio_request pio_request;
|
||
|
|
struct acrn_pci_request pci_request;
|
||
|
|
struct acrn_mmio_request mmio_request;
|
||
|
|
__u64 data[8];
|
||
|
|
} reqs;
|
||
|
|
__u32 reserved1;
|
||
|
|
__u32 kernel_handled;
|
||
|
|
__u32 processed;
|
||
|
|
} __attribute__((aligned(256)));
|
||
|
|
|
||
|
|
struct acrn_io_request_buffer {
|
||
|
|
union {
|
||
|
|
struct acrn_io_request req_slot[ACRN_IO_REQUEST_MAX];
|
||
|
|
__u8 reserved[4096];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_ioreq_notify - The structure of ioreq completion notification
|
||
|
|
* @vmid: User VM ID
|
||
|
|
* @reserved: Reserved and should be 0
|
||
|
|
* @vcpu: vCPU ID
|
||
|
|
*/
|
||
|
|
struct acrn_ioreq_notify {
|
||
|
|
__u16 vmid;
|
||
|
|
__u16 reserved;
|
||
|
|
__u32 vcpu;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_vm_creation - Info to create a User VM
|
||
|
|
* @vmid: User VM ID returned from the hypervisor
|
||
|
|
* @reserved0: Reserved and must be 0
|
||
|
|
* @vcpu_num: Number of vCPU in the VM. Return from hypervisor.
|
||
|
|
* @reserved1: Reserved and must be 0
|
||
|
|
* @uuid: Empty space never to be used again (used to be UUID of the VM)
|
||
|
|
* @vm_flag: Flag of the VM creating. Pass to hypervisor directly.
|
||
|
|
* @ioreq_buf: Service VM GPA of I/O request buffer. Pass to
|
||
|
|
* hypervisor directly.
|
||
|
|
* @cpu_affinity: CPU affinity of the VM. Pass to hypervisor directly.
|
||
|
|
* It's a bitmap which indicates CPUs used by the VM.
|
||
|
|
*/
|
||
|
|
struct acrn_vm_creation {
|
||
|
|
__u16 vmid;
|
||
|
|
__u16 reserved0;
|
||
|
|
__u16 vcpu_num;
|
||
|
|
__u16 reserved1;
|
||
|
|
__u8 uuid[16];
|
||
|
|
__u64 vm_flag;
|
||
|
|
__u64 ioreq_buf;
|
||
|
|
__u64 cpu_affinity;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_gp_regs - General registers of a User VM
|
||
|
|
* @rax: Value of register RAX
|
||
|
|
* @rcx: Value of register RCX
|
||
|
|
* @rdx: Value of register RDX
|
||
|
|
* @rbx: Value of register RBX
|
||
|
|
* @rsp: Value of register RSP
|
||
|
|
* @rbp: Value of register RBP
|
||
|
|
* @rsi: Value of register RSI
|
||
|
|
* @rdi: Value of register RDI
|
||
|
|
* @r8: Value of register R8
|
||
|
|
* @r9: Value of register R9
|
||
|
|
* @r10: Value of register R10
|
||
|
|
* @r11: Value of register R11
|
||
|
|
* @r12: Value of register R12
|
||
|
|
* @r13: Value of register R13
|
||
|
|
* @r14: Value of register R14
|
||
|
|
* @r15: Value of register R15
|
||
|
|
*/
|
||
|
|
struct acrn_gp_regs {
|
||
|
|
__le64 rax;
|
||
|
|
__le64 rcx;
|
||
|
|
__le64 rdx;
|
||
|
|
__le64 rbx;
|
||
|
|
__le64 rsp;
|
||
|
|
__le64 rbp;
|
||
|
|
__le64 rsi;
|
||
|
|
__le64 rdi;
|
||
|
|
__le64 r8;
|
||
|
|
__le64 r9;
|
||
|
|
__le64 r10;
|
||
|
|
__le64 r11;
|
||
|
|
__le64 r12;
|
||
|
|
__le64 r13;
|
||
|
|
__le64 r14;
|
||
|
|
__le64 r15;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_descriptor_ptr - Segment descriptor table of a User VM.
|
||
|
|
* @limit: Limit field.
|
||
|
|
* @base: Base field.
|
||
|
|
* @reserved: Reserved and must be 0.
|
||
|
|
*/
|
||
|
|
struct acrn_descriptor_ptr {
|
||
|
|
__le16 limit;
|
||
|
|
__le64 base;
|
||
|
|
__le16 reserved[3];
|
||
|
|
} __attribute__ ((__packed__));
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_regs - Registers structure of a User VM
|
||
|
|
* @gprs: General registers
|
||
|
|
* @gdt: Global Descriptor Table
|
||
|
|
* @idt: Interrupt Descriptor Table
|
||
|
|
* @rip: Value of register RIP
|
||
|
|
* @cs_base: Base of code segment selector
|
||
|
|
* @cr0: Value of register CR0
|
||
|
|
* @cr4: Value of register CR4
|
||
|
|
* @cr3: Value of register CR3
|
||
|
|
* @ia32_efer: Value of IA32_EFER MSR
|
||
|
|
* @rflags: Value of regsiter RFLAGS
|
||
|
|
* @reserved_64: Reserved and must be 0
|
||
|
|
* @cs_ar: Attribute field of code segment selector
|
||
|
|
* @cs_limit: Limit field of code segment selector
|
||
|
|
* @reserved_32: Reserved and must be 0
|
||
|
|
* @cs_sel: Value of code segment selector
|
||
|
|
* @ss_sel: Value of stack segment selector
|
||
|
|
* @ds_sel: Value of data segment selector
|
||
|
|
* @es_sel: Value of extra segment selector
|
||
|
|
* @fs_sel: Value of FS selector
|
||
|
|
* @gs_sel: Value of GS selector
|
||
|
|
* @ldt_sel: Value of LDT descriptor selector
|
||
|
|
* @tr_sel: Value of TSS descriptor selector
|
||
|
|
*/
|
||
|
|
struct acrn_regs {
|
||
|
|
struct acrn_gp_regs gprs;
|
||
|
|
struct acrn_descriptor_ptr gdt;
|
||
|
|
struct acrn_descriptor_ptr idt;
|
||
|
|
|
||
|
|
__le64 rip;
|
||
|
|
__le64 cs_base;
|
||
|
|
__le64 cr0;
|
||
|
|
__le64 cr4;
|
||
|
|
__le64 cr3;
|
||
|
|
__le64 ia32_efer;
|
||
|
|
__le64 rflags;
|
||
|
|
__le64 reserved_64[4];
|
||
|
|
|
||
|
|
__le32 cs_ar;
|
||
|
|
__le32 cs_limit;
|
||
|
|
__le32 reserved_32[3];
|
||
|
|
|
||
|
|
__le16 cs_sel;
|
||
|
|
__le16 ss_sel;
|
||
|
|
__le16 ds_sel;
|
||
|
|
__le16 es_sel;
|
||
|
|
__le16 fs_sel;
|
||
|
|
__le16 gs_sel;
|
||
|
|
__le16 ldt_sel;
|
||
|
|
__le16 tr_sel;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_vcpu_regs - Info of vCPU registers state
|
||
|
|
* @vcpu_id: vCPU ID
|
||
|
|
* @reserved: Reserved and must be 0
|
||
|
|
* @vcpu_regs: vCPU registers state
|
||
|
|
*
|
||
|
|
* This structure will be passed to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_vcpu_regs {
|
||
|
|
__u16 vcpu_id;
|
||
|
|
__u16 reserved[3];
|
||
|
|
struct acrn_regs vcpu_regs;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ACRN_MEM_ACCESS_RIGHT_MASK 0x00000007U
|
||
|
|
#define ACRN_MEM_ACCESS_READ 0x00000001U
|
||
|
|
#define ACRN_MEM_ACCESS_WRITE 0x00000002U
|
||
|
|
#define ACRN_MEM_ACCESS_EXEC 0x00000004U
|
||
|
|
#define ACRN_MEM_ACCESS_RWX (ACRN_MEM_ACCESS_READ | \
|
||
|
|
ACRN_MEM_ACCESS_WRITE | \
|
||
|
|
ACRN_MEM_ACCESS_EXEC)
|
||
|
|
|
||
|
|
#define ACRN_MEM_TYPE_MASK 0x000007C0U
|
||
|
|
#define ACRN_MEM_TYPE_WB 0x00000040U
|
||
|
|
#define ACRN_MEM_TYPE_WT 0x00000080U
|
||
|
|
#define ACRN_MEM_TYPE_UC 0x00000100U
|
||
|
|
#define ACRN_MEM_TYPE_WC 0x00000200U
|
||
|
|
#define ACRN_MEM_TYPE_WP 0x00000400U
|
||
|
|
|
||
|
|
/* Memory mapping types */
|
||
|
|
#define ACRN_MEMMAP_RAM 0
|
||
|
|
#define ACRN_MEMMAP_MMIO 1
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_vm_memmap - A EPT memory mapping info for a User VM.
|
||
|
|
* @type: Type of the memory mapping (ACRM_MEMMAP_*).
|
||
|
|
* Pass to hypervisor directly.
|
||
|
|
* @attr: Attribute of the memory mapping.
|
||
|
|
* Pass to hypervisor directly.
|
||
|
|
* @user_vm_pa: Physical address of User VM.
|
||
|
|
* Pass to hypervisor directly.
|
||
|
|
* @service_vm_pa: Physical address of Service VM.
|
||
|
|
* Pass to hypervisor directly.
|
||
|
|
* @vma_base: VMA address of Service VM. Pass to hypervisor directly.
|
||
|
|
* @len: Length of the memory mapping.
|
||
|
|
* Pass to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_vm_memmap {
|
||
|
|
__u32 type;
|
||
|
|
__u32 attr;
|
||
|
|
__u64 user_vm_pa;
|
||
|
|
union {
|
||
|
|
__u64 service_vm_pa;
|
||
|
|
__u64 vma_base;
|
||
|
|
};
|
||
|
|
__u64 len;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Type of interrupt of a passthrough device */
|
||
|
|
#define ACRN_PTDEV_IRQ_INTX 0
|
||
|
|
#define ACRN_PTDEV_IRQ_MSI 1
|
||
|
|
#define ACRN_PTDEV_IRQ_MSIX 2
|
||
|
|
/**
|
||
|
|
* struct acrn_ptdev_irq - Interrupt data of a passthrough device.
|
||
|
|
* @type: Type (ACRN_PTDEV_IRQ_*)
|
||
|
|
* @virt_bdf: Virtual Bus/Device/Function
|
||
|
|
* @phys_bdf: Physical Bus/Device/Function
|
||
|
|
* @intx: Info of interrupt
|
||
|
|
* @intx.virt_pin: Virtual IOAPIC pin
|
||
|
|
* @intx.phys_pin: Physical IOAPIC pin
|
||
|
|
* @intx.is_pic_pin: Is PIC pin or not
|
||
|
|
*
|
||
|
|
* This structure will be passed to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_ptdev_irq {
|
||
|
|
__u32 type;
|
||
|
|
__u16 virt_bdf;
|
||
|
|
__u16 phys_bdf;
|
||
|
|
|
||
|
|
struct {
|
||
|
|
__u32 virt_pin;
|
||
|
|
__u32 phys_pin;
|
||
|
|
__u32 is_pic_pin;
|
||
|
|
} intx;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Type of PCI device assignment */
|
||
|
|
#define ACRN_PTDEV_QUIRK_ASSIGN (1U << 0)
|
||
|
|
|
||
|
|
#define ACRN_MMIODEV_RES_NUM 3
|
||
|
|
#define ACRN_PCI_NUM_BARS 6
|
||
|
|
/**
|
||
|
|
* struct acrn_pcidev - Info for assigning or de-assigning a PCI device
|
||
|
|
* @type: Type of the assignment
|
||
|
|
* @virt_bdf: Virtual Bus/Device/Function
|
||
|
|
* @phys_bdf: Physical Bus/Device/Function
|
||
|
|
* @intr_line: PCI interrupt line
|
||
|
|
* @intr_pin: PCI interrupt pin
|
||
|
|
* @bar: PCI BARs.
|
||
|
|
*
|
||
|
|
* This structure will be passed to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_pcidev {
|
||
|
|
__u32 type;
|
||
|
|
__u16 virt_bdf;
|
||
|
|
__u16 phys_bdf;
|
||
|
|
__u8 intr_line;
|
||
|
|
__u8 intr_pin;
|
||
|
|
__u32 bar[ACRN_PCI_NUM_BARS];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_mmiodev - Info for assigning or de-assigning a MMIO device
|
||
|
|
* @name: Name of the MMIO device.
|
||
|
|
* @res[].user_vm_pa: Physical address of User VM of the MMIO region
|
||
|
|
* for the MMIO device.
|
||
|
|
* @res[].service_vm_pa: Physical address of Service VM of the MMIO
|
||
|
|
* region for the MMIO device.
|
||
|
|
* @res[].size: Size of the MMIO region for the MMIO device.
|
||
|
|
* @res[].mem_type: Memory type of the MMIO region for the MMIO
|
||
|
|
* device.
|
||
|
|
*
|
||
|
|
* This structure will be passed to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_mmiodev {
|
||
|
|
__u8 name[8];
|
||
|
|
struct {
|
||
|
|
__u64 user_vm_pa;
|
||
|
|
__u64 service_vm_pa;
|
||
|
|
__u64 size;
|
||
|
|
__u64 mem_type;
|
||
|
|
} res[ACRN_MMIODEV_RES_NUM];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_vdev - Info for creating or destroying a virtual device
|
||
|
|
* @id: Union of identifier of the virtual device
|
||
|
|
* @id.value: Raw data of the identifier
|
||
|
|
* @id.fields.vendor: Vendor id of the virtual PCI device
|
||
|
|
* @id.fields.device: Device id of the virtual PCI device
|
||
|
|
* @id.fields.legacy_id: ID of the virtual device if not a PCI device
|
||
|
|
* @slot: Virtual Bus/Device/Function of the virtual
|
||
|
|
* device
|
||
|
|
* @io_base: IO resource base address of the virtual device
|
||
|
|
* @io_size: IO resource size of the virtual device
|
||
|
|
* @args: Arguments for the virtual device creation
|
||
|
|
*
|
||
|
|
* The created virtual device can be a PCI device or a legacy device (e.g.
|
||
|
|
* a virtual UART controller) and it is emulated by the hypervisor. This
|
||
|
|
* structure will be passed to hypervisor directly.
|
||
|
|
*/
|
||
|
|
struct acrn_vdev {
|
||
|
|
/*
|
||
|
|
* the identifier of the device, the low 32 bits represent the vendor
|
||
|
|
* id and device id of PCI device and the high 32 bits represent the
|
||
|
|
* device number of the legacy device
|
||
|
|
*/
|
||
|
|
union {
|
||
|
|
__u64 value;
|
||
|
|
struct {
|
||
|
|
__le16 vendor;
|
||
|
|
__le16 device;
|
||
|
|
__le32 legacy_id;
|
||
|
|
} fields;
|
||
|
|
} id;
|
||
|
|
|
||
|
|
__u64 slot;
|
||
|
|
__u32 io_addr[ACRN_PCI_NUM_BARS];
|
||
|
|
__u32 io_size[ACRN_PCI_NUM_BARS];
|
||
|
|
__u8 args[128];
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_msi_entry - Info for injecting a MSI interrupt to a VM
|
||
|
|
* @msi_addr: MSI addr[19:12] with dest vCPU ID
|
||
|
|
* @msi_data: MSI data[7:0] with vector
|
||
|
|
*/
|
||
|
|
struct acrn_msi_entry {
|
||
|
|
__u64 msi_addr;
|
||
|
|
__u64 msi_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct acrn_acpi_generic_address {
|
||
|
|
__u8 space_id;
|
||
|
|
__u8 bit_width;
|
||
|
|
__u8 bit_offset;
|
||
|
|
__u8 access_size;
|
||
|
|
__u64 address;
|
||
|
|
} __attribute__ ((__packed__));
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_cstate_data - A C state package defined in ACPI
|
||
|
|
* @cx_reg: Register of the C state object
|
||
|
|
* @type: Type of the C state object
|
||
|
|
* @latency: The worst-case latency to enter and exit this C state
|
||
|
|
* @power: The average power consumption when in this C state
|
||
|
|
*/
|
||
|
|
struct acrn_cstate_data {
|
||
|
|
struct acrn_acpi_generic_address cx_reg;
|
||
|
|
__u8 type;
|
||
|
|
__u32 latency;
|
||
|
|
__u64 power;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct acrn_pstate_data - A P state package defined in ACPI
|
||
|
|
* @core_frequency: CPU frequency (in MHz).
|
||
|
|
* @power: Power dissipation (in milliwatts).
|
||
|
|
* @transition_latency: The worst-case latency in microseconds that CPU is
|
||
|
|
* unavailable during a transition from any P state to
|
||
|
|
* this P state.
|
||
|
|
* @bus_master_latency: The worst-case latency in microseconds that Bus Masters
|
||
|
|
* are prevented from accessing memory during a transition
|
||
|
|
* from any P state to this P state.
|
||
|
|
* @control: The value to be written to Performance Control Register
|
||
|
|
* @status: Transition status.
|
||
|
|
*/
|
||
|
|
struct acrn_pstate_data {
|
||
|
|
__u64 core_frequency;
|
||
|
|
__u64 power;
|
||
|
|
__u64 transition_latency;
|
||
|
|
__u64 bus_master_latency;
|
||
|
|
__u64 control;
|
||
|
|
__u64 status;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PMCMD_TYPE_MASK 0x000000ff
|
||
|
|
enum acrn_pm_cmd_type {
|
||
|
|
ACRN_PMCMD_GET_PX_CNT,
|
||
|
|
ACRN_PMCMD_GET_PX_DATA,
|
||
|
|
ACRN_PMCMD_GET_CX_CNT,
|
||
|
|
ACRN_PMCMD_GET_CX_DATA,
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ACRN_IOEVENTFD_FLAG_PIO 0x01
|
||
|
|
#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02
|
||
|
|
#define ACRN_IOEVENTFD_FLAG_DEASSIGN 0x04
|
||
|
|
/**
|
||
|
|
* struct acrn_ioeventfd - Data to operate a &struct hsm_ioeventfd
|
||
|
|
* @fd: The fd of eventfd associated with a hsm_ioeventfd
|
||
|
|
* @flags: Logical-OR of ACRN_IOEVENTFD_FLAG_*
|
||
|
|
* @addr: The start address of IO range of ioeventfd
|
||
|
|
* @len: The length of IO range of ioeventfd
|
||
|
|
* @reserved: Reserved and should be 0
|
||
|
|
* @data: Data for data matching
|
||
|
|
*
|
||
|
|
* Without flag ACRN_IOEVENTFD_FLAG_DEASSIGN, ioctl ACRN_IOCTL_IOEVENTFD
|
||
|
|
* creates a &struct hsm_ioeventfd with properties originated from &struct
|
||
|
|
* acrn_ioeventfd. With flag ACRN_IOEVENTFD_FLAG_DEASSIGN, ioctl
|
||
|
|
* ACRN_IOCTL_IOEVENTFD destroys the &struct hsm_ioeventfd matching the fd.
|
||
|
|
*/
|
||
|
|
struct acrn_ioeventfd {
|
||
|
|
__u32 fd;
|
||
|
|
__u32 flags;
|
||
|
|
__u64 addr;
|
||
|
|
__u32 len;
|
||
|
|
__u32 reserved;
|
||
|
|
__u64 data;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define ACRN_IRQFD_FLAG_DEASSIGN 0x01
|
||
|
|
/**
|
||
|
|
* struct acrn_irqfd - Data to operate a &struct hsm_irqfd
|
||
|
|
* @fd: The fd of eventfd associated with a hsm_irqfd
|
||
|
|
* @flags: Logical-OR of ACRN_IRQFD_FLAG_*
|
||
|
|
* @msi: Info of MSI associated with the irqfd
|
||
|
|
*/
|
||
|
|
struct acrn_irqfd {
|
||
|
|
__s32 fd;
|
||
|
|
__u32 flags;
|
||
|
|
struct acrn_msi_entry msi;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* The ioctl type, documented in ioctl-number.rst */
|
||
|
|
#define ACRN_IOCTL_TYPE 0xA2
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Common IOCTL IDs definition for ACRN userspace
|
||
|
|
*/
|
||
|
|
#define ACRN_IOCTL_CREATE_VM \
|
||
|
|
_IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
|
||
|
|
#define ACRN_IOCTL_DESTROY_VM \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x11)
|
||
|
|
#define ACRN_IOCTL_START_VM \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x12)
|
||
|
|
#define ACRN_IOCTL_PAUSE_VM \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x13)
|
||
|
|
#define ACRN_IOCTL_RESET_VM \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x15)
|
||
|
|
#define ACRN_IOCTL_SET_VCPU_REGS \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x16, struct acrn_vcpu_regs)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_INJECT_MSI \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x23, struct acrn_msi_entry)
|
||
|
|
#define ACRN_IOCTL_VM_INTR_MONITOR \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x24, unsigned long)
|
||
|
|
#define ACRN_IOCTL_SET_IRQLINE \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x25, __u64)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_NOTIFY_REQUEST_FINISH \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x31, struct acrn_ioreq_notify)
|
||
|
|
#define ACRN_IOCTL_CREATE_IOREQ_CLIENT \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x32)
|
||
|
|
#define ACRN_IOCTL_ATTACH_IOREQ_CLIENT \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x33)
|
||
|
|
#define ACRN_IOCTL_DESTROY_IOREQ_CLIENT \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x34)
|
||
|
|
#define ACRN_IOCTL_CLEAR_VM_IOREQ \
|
||
|
|
_IO(ACRN_IOCTL_TYPE, 0x35)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_SET_MEMSEG \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x41, struct acrn_vm_memmap)
|
||
|
|
#define ACRN_IOCTL_UNSET_MEMSEG \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x42, struct acrn_vm_memmap)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_SET_PTDEV_INTR \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x53, struct acrn_ptdev_irq)
|
||
|
|
#define ACRN_IOCTL_RESET_PTDEV_INTR \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x54, struct acrn_ptdev_irq)
|
||
|
|
#define ACRN_IOCTL_ASSIGN_PCIDEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x55, struct acrn_pcidev)
|
||
|
|
#define ACRN_IOCTL_DEASSIGN_PCIDEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x56, struct acrn_pcidev)
|
||
|
|
#define ACRN_IOCTL_ASSIGN_MMIODEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x57, struct acrn_mmiodev)
|
||
|
|
#define ACRN_IOCTL_DEASSIGN_MMIODEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x58, struct acrn_mmiodev)
|
||
|
|
#define ACRN_IOCTL_CREATE_VDEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x59, struct acrn_vdev)
|
||
|
|
#define ACRN_IOCTL_DESTROY_VDEV \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x5A, struct acrn_vdev)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_PM_GET_CPU_STATE \
|
||
|
|
_IOWR(ACRN_IOCTL_TYPE, 0x60, __u64)
|
||
|
|
|
||
|
|
#define ACRN_IOCTL_IOEVENTFD \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x70, struct acrn_ioeventfd)
|
||
|
|
#define ACRN_IOCTL_IRQFD \
|
||
|
|
_IOW(ACRN_IOCTL_TYPE, 0x71, struct acrn_irqfd)
|
||
|
|
|
||
|
|
#endif /* _UAPI_ACRN_H */
|