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 */ 7 #ifndef __UAPI_LINUX_SEV_GUEST_H_ 8 #define __UAPI_LINUX_SEV_GUEST_H_ 9 #include <linux/types.h> 10 #define SNP_REPORT_USER_DATA_SIZE 64 11 struct snp_report_req { 12 __u8 user_data[SNP_REPORT_USER_DATA_SIZE]; 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; 34 union { 35 __u64 exitinfo2; 36 struct { 37 __u32 fw_error; 38 __u32 vmm_error; 39 }; 40 }; 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) 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) 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)) 56 #define SNP_GUEST_VMM_ERR_INVALID_LEN 1 57 #define SNP_GUEST_VMM_ERR_BUSY 2 58 #endif 59