diff mbox series

[v12,10/28] include: add psp-sev.h header file

Message ID 20180308124901.83533-11-brijesh.singh@amd.com
State New
Headers show
Series x86: Secure Encrypted Virtualization (AMD) | expand

Commit Message

Brijesh Singh March 8, 2018, 12:48 p.m. UTC 
The header file provide the ioctl command and structure to communicate
with /dev/sev device.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---
 linux-headers/linux/psp-sev.h | 142 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 linux-headers/linux/psp-sev.h

Comments

Daniel P. Berrangé March 8, 2018, 4:54 p.m. UTC | #1 
On Thu, Mar 08, 2018 at 06:48:43AM -0600, Brijesh Singh wrote:
> The header file provide the ioctl command and structure to communicate
> with /dev/sev device.
> 
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Richard Henderson <rth@twiddle.net>
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> ---
>  linux-headers/linux/psp-sev.h | 142 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 142 insertions(+)
>  create mode 100644 linux-headers/linux/psp-sev.h
> 
> diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
> new file mode 100644
> index 000000000000..33e247471ae0
> --- /dev/null
> +++ b/linux-headers/linux/psp-sev.h
> @@ -0,0 +1,142 @@
> +/*
> + * 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.
> + */

Most of the files you've added are GPLv2-or-later. Is this one intentionally
GPLv2-only instead ?

Regards,
Daniel
Dr. David Alan Gilbert March 9, 2018, 12:24 p.m. UTC | #2 
* Daniel P. Berrangé (berrange@redhat.com) wrote:
> On Thu, Mar 08, 2018 at 06:48:43AM -0600, Brijesh Singh wrote:
> > The header file provide the ioctl command and structure to communicate
> > with /dev/sev device.
> > 
> > Cc: Paolo Bonzini <pbonzini@redhat.com>
> > Cc: Richard Henderson <rth@twiddle.net>
> > Cc: Eduardo Habkost <ehabkost@redhat.com>
> > Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> > ---
> >  linux-headers/linux/psp-sev.h | 142 ++++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 142 insertions(+)
> >  create mode 100644 linux-headers/linux/psp-sev.h
> > 
> > diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
> > new file mode 100644
> > index 000000000000..33e247471ae0
> > --- /dev/null
> > +++ b/linux-headers/linux/psp-sev.h
> > @@ -0,0 +1,142 @@
> > +/*
> > + * 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.
> > + */
> 
> Most of the files you've added are GPLv2-or-later. Is this one intentionally
> GPLv2-only instead ?

This is just a sync'd kernel header (which should just get sync'd with
the sync script).

Dave

> Regards,
> Daniel
> -- 
> |: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
> |: https://libvirt.org         -o-            https://fstop138.berrange.com :|
> |: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
Daniel P. Berrangé March 12, 2018, 10:32 a.m. UTC | #3 
On Fri, Mar 09, 2018 at 12:24:06PM +0000, Dr. David Alan Gilbert wrote:
> * Daniel P. Berrangé (berrange@redhat.com) wrote:
> > On Thu, Mar 08, 2018 at 06:48:43AM -0600, Brijesh Singh wrote:
> > > The header file provide the ioctl command and structure to communicate
> > > with /dev/sev device.
> > > 
> > > Cc: Paolo Bonzini <pbonzini@redhat.com>
> > > Cc: Richard Henderson <rth@twiddle.net>
> > > Cc: Eduardo Habkost <ehabkost@redhat.com>
> > > Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> > > ---
> > >  linux-headers/linux/psp-sev.h | 142 ++++++++++++++++++++++++++++++++++++++++++
> > >  1 file changed, 142 insertions(+)
> > >  create mode 100644 linux-headers/linux/psp-sev.h
> > > 
> > > diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
> > > new file mode 100644
> > > index 000000000000..33e247471ae0
> > > --- /dev/null
> > > +++ b/linux-headers/linux/psp-sev.h
> > > @@ -0,0 +1,142 @@
> > > +/*
> > > + * 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.
> > > + */
> > 
> > Most of the files you've added are GPLv2-or-later. Is this one intentionally
> > GPLv2-only instead ?
> 
> This is just a sync'd kernel header (which should just get sync'd with
> the sync script).

Ok, no problem then.

Regards,
Daniel
diff mbox series

Patch

diff --git a/linux-headers/linux/psp-sev.h b/linux-headers/linux/psp-sev.h
new file mode 100644
index 000000000000..33e247471ae0
--- /dev/null
+++ b/linux-headers/linux/psp-sev.h
@@ -0,0 +1,142 @@ 
+/*
+ * 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,
+};
+
+/**
+ * SEV Firmware status code
+ */
+typedef enum {
+	SEV_RET_SUCCESS = 0,
+	SEV_RET_INVALID_PLATFORM_STATE,
+	SEV_RET_INVALID_GUEST_STATE,
+	SEV_RET_INAVLID_CONFIG,
+	SEV_RET_INVALID_LEN,
+	SEV_RET_ALREADY_OWNED,
+	SEV_RET_INVALID_CERTIFICATE,
+	SEV_RET_POLICY_FAILURE,
+	SEV_RET_INACTIVE,
+	SEV_RET_INVALID_ADDRESS,
+	SEV_RET_BAD_SIGNATURE,
+	SEV_RET_BAD_MEASUREMENT,
+	SEV_RET_ASID_OWNED,
+	SEV_RET_INVALID_ASID,
+	SEV_RET_WBINVD_REQUIRED,
+	SEV_RET_DFFLUSH_REQUIRED,
+	SEV_RET_INVALID_GUEST,
+	SEV_RET_INVALID_COMMAND,
+	SEV_RET_ACTIVE,
+	SEV_RET_HWSEV_RET_PLATFORM,
+	SEV_RET_HWSEV_RET_UNSAFE,
+	SEV_RET_UNSUPPORTED,
+	SEV_RET_MAX,
+} sev_ret_code;
+
+/**
+ * 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 */
+} __attribute__((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 */
+} __attribute__((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 */
+} __attribute__((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 */
+} __attribute__((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 */
+} __attribute__((packed));
+
+#define SEV_IOC_TYPE		'S'
+#define SEV_ISSUE_CMD	_IOWR(SEV_IOC_TYPE, 0x0, struct sev_issue_cmd)
+
+#endif /* __PSP_USER_SEV_H */