Elliott Hughes | 180edef | 2023-11-02 00:08:05 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is auto-generated. Modifications will be lost. |
| 3 | * |
| 4 | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| 5 | * for more information. |
| 6 | */ |
Christopher Ferris | 80ae69d | 2022-08-02 16:32:21 -0700 | [diff] [blame] | 7 | #ifndef __UAPI_LINUX_SEV_GUEST_H_ |
| 8 | #define __UAPI_LINUX_SEV_GUEST_H_ |
| 9 | #include <linux/types.h> |
Christopher Ferris | 0f79521 | 2024-01-17 14:17:28 -0800 | [diff] [blame] | 10 | #define SNP_REPORT_USER_DATA_SIZE 64 |
Christopher Ferris | 80ae69d | 2022-08-02 16:32:21 -0700 | [diff] [blame] | 11 | struct snp_report_req { |
Christopher Ferris | 0f79521 | 2024-01-17 14:17:28 -0800 | [diff] [blame] | 12 | __u8 user_data[SNP_REPORT_USER_DATA_SIZE]; |
Christopher Ferris | 80ae69d | 2022-08-02 16:32:21 -0700 | [diff] [blame] | 13 | __u32 vmpl; |
| 14 | __u8 rsvd[28]; |
| 15 | }; |
| 16 | struct snp_report_resp { |
| 17 | __u8 data[4000]; |
| 18 | }; |
| 19 | struct snp_derived_key_req { |
| 20 | __u32 root_key_select; |
| 21 | __u32 rsvd; |
| 22 | __u64 guest_field_select; |
| 23 | __u32 vmpl; |
| 24 | __u32 guest_svn; |
| 25 | __u64 tcb_version; |
| 26 | }; |
| 27 | struct snp_derived_key_resp { |
| 28 | __u8 data[64]; |
| 29 | }; |
| 30 | struct snp_guest_request_ioctl { |
| 31 | __u8 msg_version; |
| 32 | __u64 req_data; |
| 33 | __u64 resp_data; |
Christopher Ferris | 37c3f3c | 2023-07-10 10:59:05 -0700 | [diff] [blame] | 34 | union { |
| 35 | __u64 exitinfo2; |
| 36 | struct { |
| 37 | __u32 fw_error; |
| 38 | __u32 vmm_error; |
| 39 | }; |
| 40 | }; |
Christopher Ferris | 80ae69d | 2022-08-02 16:32:21 -0700 | [diff] [blame] | 41 | }; |
| 42 | struct snp_ext_report_req { |
| 43 | struct snp_report_req data; |
| 44 | __u64 certs_address; |
| 45 | __u32 certs_len; |
| 46 | }; |
| 47 | #define SNP_GUEST_REQ_IOC_TYPE 'S' |
| 48 | #define SNP_GET_REPORT _IOWR(SNP_GUEST_REQ_IOC_TYPE, 0x0, struct snp_guest_request_ioctl) |
| 49 | #define SNP_GET_DERIVED_KEY _IOWR(SNP_GUEST_REQ_IOC_TYPE, 0x1, struct snp_guest_request_ioctl) |
| 50 | #define SNP_GET_EXT_REPORT _IOWR(SNP_GUEST_REQ_IOC_TYPE, 0x2, struct snp_guest_request_ioctl) |
Christopher Ferris | 37c3f3c | 2023-07-10 10:59:05 -0700 | [diff] [blame] | 51 | #define SNP_GUEST_FW_ERR_MASK GENMASK_ULL(31, 0) |
| 52 | #define SNP_GUEST_VMM_ERR_SHIFT 32 |
| 53 | #define SNP_GUEST_VMM_ERR(x) (((u64) x) << SNP_GUEST_VMM_ERR_SHIFT) |
Christopher Ferris | 63fcca4 | 2024-09-26 01:12:10 +0000 | [diff] [blame^] | 54 | #define SNP_GUEST_FW_ERR(x) ((x) & SNP_GUEST_FW_ERR_MASK) |
| 55 | #define SNP_GUEST_ERR(vmm_err,fw_err) (SNP_GUEST_VMM_ERR(vmm_err) | SNP_GUEST_FW_ERR(fw_err)) |
Christopher Ferris | 37c3f3c | 2023-07-10 10:59:05 -0700 | [diff] [blame] | 56 | #define SNP_GUEST_VMM_ERR_INVALID_LEN 1 |
| 57 | #define SNP_GUEST_VMM_ERR_BUSY 2 |
Christopher Ferris | 80ae69d | 2022-08-02 16:32:21 -0700 | [diff] [blame] | 58 | #endif |