diff options
| author | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2024-11-06 22:06:17 +0000 |
|---|---|---|
| committer | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2024-11-06 22:06:17 +0000 |
| commit | ac2153fa3867c51627f932e6ebc1684009830e0f (patch) | |
| tree | 7579d1c6b09a63a3b527d59afe976624d9d7bd1a | |
| parent | 4fb7289361467a5745494a5c5bba4bd7c85a4508 (diff) | |
vmd(8) logs psp(4) firmware version.
On vmd startup, log the AMD SEV PSP API and build number.
from hshoexer@; OK mlarkin@
| -rw-r--r-- | usr.sbin/vmd/psp.c | 18 | ||||
| -rw-r--r-- | usr.sbin/vmd/sev.c | 4 | ||||
| -rw-r--r-- | usr.sbin/vmd/vmd.h | 4 |
3 files changed, 20 insertions, 6 deletions
diff --git a/usr.sbin/vmd/psp.c b/usr.sbin/vmd/psp.c index 2de8cf4ac0b..4c1cfdab617 100644 --- a/usr.sbin/vmd/psp.c +++ b/usr.sbin/vmd/psp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: psp.c,v 1.3 2024/11/05 23:16:46 bluhm Exp $ */ +/* $OpenBSD: psp.c,v 1.4 2024/11/06 22:06:16 bluhm Exp $ */ /* * Copyright (c) 2023, 2024 Hans-Joerg Hoexer <hshoexer@genua.de> @@ -42,7 +42,8 @@ extern struct vmd *env; * Retrieve platform state. */ int -psp_get_pstate(uint16_t *state) +psp_get_pstate(uint16_t *state, uint8_t *major, uint8_t *minor, + uint8_t *build, uint8_t *seves) { struct psp_platform_status pst; @@ -53,6 +54,14 @@ psp_get_pstate(uint16_t *state) if (state) *state = pst.state; + if (major) + *major = pst.api_major; + if (minor) + *minor = pst.api_minor; + if (build) + *build = (pst.cfges_build >> 24) & 0xff; + if (seves) + *seves = pst.cfges_build & 0x1; return (0); } @@ -318,6 +327,8 @@ psp_reset(void) void psp_setup(void) { + uint8_t major, minor, build; + env->vmd_psp_fd = open(PSP_NODE, O_RDWR); if (env->vmd_psp_fd == -1) { if (errno != ENXIO) @@ -327,4 +338,7 @@ psp_setup(void) if (psp_reset() < 0) fatalx("%s: failed to reset PSP", __func__); + if (psp_get_pstate(NULL, &major, &minor, &build, NULL) < 0) + fatalx("%s: failed to get platform state", __func__); + log_info("PSP api %hhu.%hhu, build %hhu", major, minor, build); } diff --git a/usr.sbin/vmd/sev.c b/usr.sbin/vmd/sev.c index 89272c8b3ad..d5216461392 100644 --- a/usr.sbin/vmd/sev.c +++ b/usr.sbin/vmd/sev.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sev.c,v 1.4 2024/09/26 01:45:13 jsg Exp $ */ +/* $OpenBSD: sev.c,v 1.5 2024/11/06 22:06:16 bluhm Exp $ */ /* * Copyright (c) 2023, 2024 Hans-Joerg Hoexer <hshoexer@genua.de> @@ -49,7 +49,7 @@ sev_init(struct vmd_vm *vm) if (!vcp->vcp_sev) return (0); - if (psp_get_pstate(&pstate)) { + if (psp_get_pstate(&pstate, NULL, NULL, NULL, NULL)) { log_warnx("%s: failed to get platform state", __func__); return (-1); } diff --git a/usr.sbin/vmd/vmd.h b/usr.sbin/vmd/vmd.h index fee378b5d49..613d846edf0 100644 --- a/usr.sbin/vmd/vmd.h +++ b/usr.sbin/vmd/vmd.h @@ -1,4 +1,4 @@ -/* $OpenBSD: vmd.h,v 1.129 2024/11/05 23:16:46 bluhm Exp $ */ +/* $OpenBSD: vmd.h,v 1.130 2024/11/06 22:06:16 bluhm Exp $ */ /* * Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org> @@ -586,7 +586,7 @@ __dead void vionet_main(int, int); __dead void vioblk_main(int, int); /* psp.c */ -int psp_get_pstate(uint16_t *); +int psp_get_pstate(uint16_t *, uint8_t *, uint8_t *, uint8_t *, uint8_t *); int psp_df_flush(void); int psp_get_gstate(uint32_t, uint32_t *, uint32_t *, uint8_t *); int psp_launch_start(uint32_t *); |