| Message ID | 20171020023413.122280-11-brijesh.singh@amd.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Delegated to: | Herbert Xu |
| Headers | show |
On 10/19/2017 09:33 PM, Brijesh Singh wrote: > Add a include file which defines the ioctl and command id used for > issuing SEV platform management specific commands. > > Cc: Paolo Bonzini <pbonzini@redhat.com> > Cc: "Radim Krčmář" <rkrcmar@redhat.com> > Cc: Borislav Petkov <bp@suse.de> > Cc: Herbert Xu <herbert@gondor.apana.org.au> > Cc: Gary Hook <gary.hook@amd.com> > Cc: Tom Lendacky <thomas.lendacky@amd.com> > Cc: linux-crypto@vger.kernel.org > Cc: kvm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Improvements-by: Borislav Petkov <bp@suse.de> > Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> > Reviewed-by: Borislav Petkov <bp@suse.de> Acked-by: Gary R Hook <gary.hook@amd.com> > --- > include/uapi/linux/psp-sev.h | 113 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 113 insertions(+) > create mode 100644 include/uapi/linux/psp-sev.h > > diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h > new file mode 100644 > index 000000000000..1dd98ba4ff22 > --- /dev/null > +++ b/include/uapi/linux/psp-sev.h > @@ -0,0 +1,113 @@ > +/* > + * Userspace interface for AMD Secure Encrypted Virtualization (SEV) > + * platform management commands. > + * > + * Copyright (C) 2016-2017 Advanced Micro Devices, Inc. > + * > + * Author: Brijesh Singh <brijesh.singh@amd.com> > + * > + * SEV spec 0.14 is available at: > + * http://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + > +#ifndef __PSP_SEV_USER_H__ > +#define __PSP_SEV_USER_H__ > + > +#include <linux/types.h> > + > +/** > + * SEV platform commands > + */ > +enum { > + SEV_FACTORY_RESET = 0, > + SEV_PLATFORM_STATUS, > + SEV_PEK_GEN, > + SEV_PEK_CSR, > + SEV_PDH_GEN, > + SEV_PDH_CERT_EXPORT, > + SEV_PEK_CERT_IMPORT, > + > + SEV_MAX, > +}; > + > +/** > + * struct sev_user_data_status - PLATFORM_STATUS command parameters > + * > + * @major: major API version > + * @minor: minor API version > + * @state: platform state > + * @flags: platform config flags > + * @build: firmware build id for API version > + * @guest_count: number of active guests > + */ > +struct sev_user_data_status { > + __u8 api_major; /* Out */ > + __u8 api_minor; /* Out */ > + __u8 state; /* Out */ > + __u32 flags; /* Out */ > + __u8 build; /* Out */ > + __u32 guest_count; /* Out */ > +} __packed; > + > +/** > + * struct sev_user_data_pek_csr - PEK_CSR command parameters > + * > + * @address: PEK certificate chain > + * @length: length of certificate > + */ > +struct sev_user_data_pek_csr { > + __u64 address; /* In */ > + __u32 length; /* In/Out */ > +} __packed; > + > +/** > + * struct sev_user_data_cert_import - PEK_CERT_IMPORT command parameters > + * > + * @pek_address: PEK certificate chain > + * @pek_len: length of PEK certificate > + * @oca_address: OCA certificate chain > + * @oca_len: length of OCA certificate > + */ > +struct sev_user_data_pek_cert_import { > + __u64 pek_cert_address; /* In */ > + __u32 pek_cert_len; /* In */ > + __u64 oca_cert_address; /* In */ > + __u32 oca_cert_len; /* In */ > +} __packed; > + > +/** > + * struct sev_user_data_pdh_cert_export - PDH_CERT_EXPORT command parameters > + * > + * @pdh_address: PDH certificate address > + * @pdh_len: length of PDH certificate > + * @cert_chain_address: PDH certificate chain > + * @cert_chain_len: length of PDH certificate chain > + */ > +struct sev_user_data_pdh_cert_export { > + __u64 pdh_cert_address; /* In */ > + __u32 pdh_cert_len; /* In/Out */ > + __u64 cert_chain_address; /* In */ > + __u32 cert_chain_len; /* In/Out */ > +} __packed; > + > +/** > + * struct sev_issue_cmd - SEV ioctl parameters > + * > + * @cmd: SEV commands to execute > + * @opaque: pointer to the command structure > + * @error: SEV FW return code on failure > + */ > +struct sev_issue_cmd { > + __u32 cmd; /* In */ > + __u64 data; /* In */ > + __u32 error; /* Out */ > +} __packed; > + > +#define SEV_IOC_TYPE 'S' > +#define SEV_ISSUE_CMD _IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd) > + > +#endif /* __PSP_USER_SEV_H */ >
diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h new file mode 100644 index 000000000000..1dd98ba4ff22 --- /dev/null +++ b/include/uapi/linux/psp-sev.h @@ -0,0 +1,113 @@ +/* + * Userspace interface for AMD Secure Encrypted Virtualization (SEV) + * platform management commands. + * + * Copyright (C) 2016-2017 Advanced Micro Devices, Inc. + * + * Author: Brijesh Singh <brijesh.singh@amd.com> + * + * SEV spec 0.14 is available at: + * http://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __PSP_SEV_USER_H__ +#define __PSP_SEV_USER_H__ + +#include <linux/types.h> + +/** + * SEV platform commands + */ +enum { + SEV_FACTORY_RESET = 0, + SEV_PLATFORM_STATUS, + SEV_PEK_GEN, + SEV_PEK_CSR, + SEV_PDH_GEN, + SEV_PDH_CERT_EXPORT, + SEV_PEK_CERT_IMPORT, + + SEV_MAX, +}; + +/** + * struct sev_user_data_status - PLATFORM_STATUS command parameters + * + * @major: major API version + * @minor: minor API version + * @state: platform state + * @flags: platform config flags + * @build: firmware build id for API version + * @guest_count: number of active guests + */ +struct sev_user_data_status { + __u8 api_major; /* Out */ + __u8 api_minor; /* Out */ + __u8 state; /* Out */ + __u32 flags; /* Out */ + __u8 build; /* Out */ + __u32 guest_count; /* Out */ +} __packed; + +/** + * struct sev_user_data_pek_csr - PEK_CSR command parameters + * + * @address: PEK certificate chain + * @length: length of certificate + */ +struct sev_user_data_pek_csr { + __u64 address; /* In */ + __u32 length; /* In/Out */ +} __packed; + +/** + * struct sev_user_data_cert_import - PEK_CERT_IMPORT command parameters + * + * @pek_address: PEK certificate chain + * @pek_len: length of PEK certificate + * @oca_address: OCA certificate chain + * @oca_len: length of OCA certificate + */ +struct sev_user_data_pek_cert_import { + __u64 pek_cert_address; /* In */ + __u32 pek_cert_len; /* In */ + __u64 oca_cert_address; /* In */ + __u32 oca_cert_len; /* In */ +} __packed; + +/** + * struct sev_user_data_pdh_cert_export - PDH_CERT_EXPORT command parameters + * + * @pdh_address: PDH certificate address + * @pdh_len: length of PDH certificate + * @cert_chain_address: PDH certificate chain + * @cert_chain_len: length of PDH certificate chain + */ +struct sev_user_data_pdh_cert_export { + __u64 pdh_cert_address; /* In */ + __u32 pdh_cert_len; /* In/Out */ + __u64 cert_chain_address; /* In */ + __u32 cert_chain_len; /* In/Out */ +} __packed; + +/** + * struct sev_issue_cmd - SEV ioctl parameters + * + * @cmd: SEV commands to execute + * @opaque: pointer to the command structure + * @error: SEV FW return code on failure + */ +struct sev_issue_cmd { + __u32 cmd; /* In */ + __u64 data; /* In */ + __u32 error; /* Out */ +} __packed; + +#define SEV_IOC_TYPE 'S' +#define SEV_ISSUE_CMD _IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd) + +#endif /* __PSP_USER_SEV_H */