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get-report.c: fix compilation error with >= 6.4 kernels #41

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get-report.c: fix compilation error with >= 6.4 kernels #41

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35 changes: 33 additions & 2 deletions src/get-report.c
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,37 @@ struct options {
bool do_help;
};

/*
* Layout of snp_guest_request_ioctl
* since kernel v6.4:
* struct snp_guest_request_ioctl {
*
* __u8 msg_version;
*
* __u64 req_data;
* __u64 resp_data;
*
* union {
* __u64 exitinfo2;
* struct {
* __u32 fw_error;
* __u32 vmm_error;
* };
* };
* };
*/
struct guest_request_ioctl {
/* message version number (must be non-zero) */
__u8 msg_version;

/* Request and response structure address */
__u64 req_data;
__u64 resp_data;

__u64 fw_err;
};


void print_usage(void)
{
fprintf(stderr,
Expand Down Expand Up @@ -257,7 +288,7 @@ int get_report(const uint8_t *data, size_t data_size,
int fd = -1;
struct snp_report_req req;
struct snp_report_resp resp;
struct snp_guest_request_ioctl guest_req;
struct guest_request_ioctl guest_req;
struct msg_report_resp *report_resp = (struct msg_report_resp *)&resp.data;

if (!report) {
Expand Down Expand Up @@ -334,7 +365,7 @@ int get_extended_report(const uint8_t *data, size_t data_size,
int fd = -1;
struct snp_ext_report_req req;
struct snp_report_resp resp;
struct snp_guest_request_ioctl guest_req;
struct guest_request_ioctl guest_req;
struct msg_report_resp *report_resp = (struct msg_report_resp *)&resp.data;
struct cert_table certs_data;
size_t page_size = 0, nr_pages = 0;
Expand Down