f363d039e8
Update the headers against commit:
0f1a7b3fac05 ("timer-of: don't use conditional expression
with mixed 'void' types")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Message-id: 20191003154640.22451-2-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
166 lines
3.8 KiB
C
166 lines
3.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
|
|
/*
|
|
* Virtio-iommu definition v0.12
|
|
*
|
|
* Copyright (C) 2019 Arm Ltd.
|
|
*/
|
|
#ifndef _LINUX_VIRTIO_IOMMU_H
|
|
#define _LINUX_VIRTIO_IOMMU_H
|
|
|
|
#include "standard-headers/linux/types.h"
|
|
|
|
/* Feature bits */
|
|
#define VIRTIO_IOMMU_F_INPUT_RANGE 0
|
|
#define VIRTIO_IOMMU_F_DOMAIN_RANGE 1
|
|
#define VIRTIO_IOMMU_F_MAP_UNMAP 2
|
|
#define VIRTIO_IOMMU_F_BYPASS 3
|
|
#define VIRTIO_IOMMU_F_PROBE 4
|
|
#define VIRTIO_IOMMU_F_MMIO 5
|
|
|
|
struct virtio_iommu_range_64 {
|
|
uint64_t start;
|
|
uint64_t end;
|
|
};
|
|
|
|
struct virtio_iommu_range_32 {
|
|
uint32_t start;
|
|
uint32_t end;
|
|
};
|
|
|
|
struct virtio_iommu_config {
|
|
/* Supported page sizes */
|
|
uint64_t page_size_mask;
|
|
/* Supported IOVA range */
|
|
struct virtio_iommu_range_64 input_range;
|
|
/* Max domain ID size */
|
|
struct virtio_iommu_range_32 domain_range;
|
|
/* Probe buffer size */
|
|
uint32_t probe_size;
|
|
};
|
|
|
|
/* Request types */
|
|
#define VIRTIO_IOMMU_T_ATTACH 0x01
|
|
#define VIRTIO_IOMMU_T_DETACH 0x02
|
|
#define VIRTIO_IOMMU_T_MAP 0x03
|
|
#define VIRTIO_IOMMU_T_UNMAP 0x04
|
|
#define VIRTIO_IOMMU_T_PROBE 0x05
|
|
|
|
/* Status types */
|
|
#define VIRTIO_IOMMU_S_OK 0x00
|
|
#define VIRTIO_IOMMU_S_IOERR 0x01
|
|
#define VIRTIO_IOMMU_S_UNSUPP 0x02
|
|
#define VIRTIO_IOMMU_S_DEVERR 0x03
|
|
#define VIRTIO_IOMMU_S_INVAL 0x04
|
|
#define VIRTIO_IOMMU_S_RANGE 0x05
|
|
#define VIRTIO_IOMMU_S_NOENT 0x06
|
|
#define VIRTIO_IOMMU_S_FAULT 0x07
|
|
#define VIRTIO_IOMMU_S_NOMEM 0x08
|
|
|
|
struct virtio_iommu_req_head {
|
|
uint8_t type;
|
|
uint8_t reserved[3];
|
|
};
|
|
|
|
struct virtio_iommu_req_tail {
|
|
uint8_t status;
|
|
uint8_t reserved[3];
|
|
};
|
|
|
|
struct virtio_iommu_req_attach {
|
|
struct virtio_iommu_req_head head;
|
|
uint32_t domain;
|
|
uint32_t endpoint;
|
|
uint8_t reserved[8];
|
|
struct virtio_iommu_req_tail tail;
|
|
};
|
|
|
|
struct virtio_iommu_req_detach {
|
|
struct virtio_iommu_req_head head;
|
|
uint32_t domain;
|
|
uint32_t endpoint;
|
|
uint8_t reserved[8];
|
|
struct virtio_iommu_req_tail tail;
|
|
};
|
|
|
|
#define VIRTIO_IOMMU_MAP_F_READ (1 << 0)
|
|
#define VIRTIO_IOMMU_MAP_F_WRITE (1 << 1)
|
|
#define VIRTIO_IOMMU_MAP_F_MMIO (1 << 2)
|
|
|
|
#define VIRTIO_IOMMU_MAP_F_MASK (VIRTIO_IOMMU_MAP_F_READ | \
|
|
VIRTIO_IOMMU_MAP_F_WRITE | \
|
|
VIRTIO_IOMMU_MAP_F_MMIO)
|
|
|
|
struct virtio_iommu_req_map {
|
|
struct virtio_iommu_req_head head;
|
|
uint32_t domain;
|
|
uint64_t virt_start;
|
|
uint64_t virt_end;
|
|
uint64_t phys_start;
|
|
uint32_t flags;
|
|
struct virtio_iommu_req_tail tail;
|
|
};
|
|
|
|
struct virtio_iommu_req_unmap {
|
|
struct virtio_iommu_req_head head;
|
|
uint32_t domain;
|
|
uint64_t virt_start;
|
|
uint64_t virt_end;
|
|
uint8_t reserved[4];
|
|
struct virtio_iommu_req_tail tail;
|
|
};
|
|
|
|
#define VIRTIO_IOMMU_PROBE_T_NONE 0
|
|
#define VIRTIO_IOMMU_PROBE_T_RESV_MEM 1
|
|
|
|
#define VIRTIO_IOMMU_PROBE_T_MASK 0xfff
|
|
|
|
struct virtio_iommu_probe_property {
|
|
uint16_t type;
|
|
uint16_t length;
|
|
};
|
|
|
|
#define VIRTIO_IOMMU_RESV_MEM_T_RESERVED 0
|
|
#define VIRTIO_IOMMU_RESV_MEM_T_MSI 1
|
|
|
|
struct virtio_iommu_probe_resv_mem {
|
|
struct virtio_iommu_probe_property head;
|
|
uint8_t subtype;
|
|
uint8_t reserved[3];
|
|
uint64_t start;
|
|
uint64_t end;
|
|
};
|
|
|
|
struct virtio_iommu_req_probe {
|
|
struct virtio_iommu_req_head head;
|
|
uint32_t endpoint;
|
|
uint8_t reserved[64];
|
|
|
|
uint8_t properties[];
|
|
|
|
/*
|
|
* Tail follows the variable-length properties array. No padding,
|
|
* property lengths are all aligned on 8 bytes.
|
|
*/
|
|
};
|
|
|
|
/* Fault types */
|
|
#define VIRTIO_IOMMU_FAULT_R_UNKNOWN 0
|
|
#define VIRTIO_IOMMU_FAULT_R_DOMAIN 1
|
|
#define VIRTIO_IOMMU_FAULT_R_MAPPING 2
|
|
|
|
#define VIRTIO_IOMMU_FAULT_F_READ (1 << 0)
|
|
#define VIRTIO_IOMMU_FAULT_F_WRITE (1 << 1)
|
|
#define VIRTIO_IOMMU_FAULT_F_EXEC (1 << 2)
|
|
#define VIRTIO_IOMMU_FAULT_F_ADDRESS (1 << 8)
|
|
|
|
struct virtio_iommu_fault {
|
|
uint8_t reason;
|
|
uint8_t reserved[3];
|
|
uint32_t flags;
|
|
uint32_t endpoint;
|
|
uint8_t reserved2[4];
|
|
uint64_t address;
|
|
};
|
|
|
|
#endif
|