diff options
Diffstat (limited to 'sys/dev/ic')
| -rw-r--r-- | sys/dev/ic/ccp.c | 29 | ||||
| -rw-r--r-- | sys/dev/ic/ccpvar.h | 8 |
2 files changed, 35 insertions, 2 deletions
diff --git a/sys/dev/ic/ccp.c b/sys/dev/ic/ccp.c index 6829f81e50f..42ae5f8e7c2 100644 --- a/sys/dev/ic/ccp.c +++ b/sys/dev/ic/ccp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ccp.c,v 1.8 2024/09/01 17:13:46 bluhm Exp $ */ +/* $OpenBSD: ccp.c,v 1.9 2024/09/01 19:25:06 bluhm Exp $ */ /* * Copyright (c) 2018 David Gwynne <dlg@openbsd.org> @@ -565,6 +565,29 @@ psp_deactivate(struct psp_deactivate *udeact) } int +psp_guest_shutdown(struct psp_guest_shutdown *ugshutdown) +{ + struct psp_deactivate deact; + struct psp_decommission decom; + int ret; + + bzero(&deact, sizeof(deact)); + deact.handle = ugshutdown->handle; + if ((ret = psp_deactivate(&deact)) != 0) + return (ret); + + if ((ret = psp_df_flush()) != 0) + return (ret); + + bzero(&decom, sizeof(decom)); + decom.handle = ugshutdown->handle; + if ((ret = psp_decommission(&decom)) != 0) + return (ret); + + return (0); +} + +int psp_snp_get_pstatus(struct psp_snp_platform_status *ustatus) { struct ccp_softc *sc = ccp_softc; @@ -642,6 +665,9 @@ pspioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) case PSP_IOC_DEACTIVATE: ret = psp_deactivate((struct psp_deactivate *)data); break; + case PSP_IOC_GUEST_SHUTDOWN: + ret = psp_guest_shutdown((struct psp_guest_shutdown *)data); + break; case PSP_IOC_SNP_GET_PSTATUS: ret = psp_snp_get_pstatus((struct psp_snp_platform_status *)data); @@ -668,6 +694,7 @@ pledge_ioctl_psp(struct proc *p, long com) case PSP_IOC_LAUNCH_MEASURE: case PSP_IOC_LAUNCH_FINISH: case PSP_IOC_ACTIVATE: + case PSP_IOC_GUEST_SHUTDOWN: return (0); default: return (pledge_fail(p, EPERM, PLEDGE_VMM)); diff --git a/sys/dev/ic/ccpvar.h b/sys/dev/ic/ccpvar.h index 65efe847912..7add1e0a46e 100644 --- a/sys/dev/ic/ccpvar.h +++ b/sys/dev/ic/ccpvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ccpvar.h,v 1.3 2024/06/13 17:59:08 bluhm Exp $ */ +/* $OpenBSD: ccpvar.h,v 1.4 2024/09/01 19:25:06 bluhm Exp $ */ /* * Copyright (c) 2018 David Gwynne <dlg@openbsd.org> @@ -243,6 +243,11 @@ struct psp_init { } __packed; +struct psp_guest_shutdown { + /* Input parameter for PSP_CMD_GUEST_SHUTDOWN */ + uint32_t handle; +} __packed; + /* Selection of PSP commands of the SEV-SNP ABI Version 1.55 */ #define PSP_CMD_SNP_PLATFORMSTATUS 0x81 @@ -272,6 +277,7 @@ struct psp_snp_platform_status { #define PSP_IOC_ACTIVATE _IOW('P', 9, struct psp_activate) #define PSP_IOC_DEACTIVATE _IOW('P', 10, struct psp_deactivate) #define PSP_IOC_SNP_GET_PSTATUS _IOR('P', 11, struct psp_snp_platform_status) +#define PSP_IOC_GUEST_SHUTDOWN _IOW('P', 255, struct psp_guest_shutdown) #endif /* __amd64__ */ #ifdef _KERNEL |