| Message ID | 20210422192937.707500-1-sathyanarayanan.kuppuswamy@linux.intel.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | [1/1] ACPICA: Add SVKL table headers | expand |
On Thu, Apr 22, 2021 at 9:29 PM Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > ACPICA commit b5e6bcf69dbb9877481992d5ce86008cfb94f5b8 > > SVKL (Storage Volume Key Location Table) is used by BIOS/Firmware > to share storage volume encryption key's with OS. It will be used > by userspace to decrypt and mount encrypted drives. > > So add SVKL table signature and add it to known signatures array > support SVKL. > > You can find details about the SVKL table in TDX specfication > titled "Guest-Host-Communication Interface (GHCI) for Intel > Trust Domain Extensions (Intel® TDX)", sec 4.4 and in ACPI > specification r6.4, sec 5.2.6. > > https://software.intel.com/content/dam/develop/external/us/en/documents/intel-tdx-guest-hypervisor-communication-interface.pdf > > Cc: Robert Moore <robert.moore@intel.com> > Cc: Erik Kaneda <erik.kaneda@intel.com> > Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Link: https://github.com/acpica/acpica/commit/b5e6bcf6 > Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> > Signed-off-by: Bob Moore <robert.moore@intel.com> > Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> Erik, what's the plan regarding this patch and the other ACPICA change requisite for this series? Are they going to be part of the next ACPICA release and am I going to receive them the usual way? > --- > include/acpi/actbl2.h | 30 ++++++++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > index d6478c430c99..83a9d8b68e3a 100644 > --- a/include/acpi/actbl2.h > +++ b/include/acpi/actbl2.h > @@ -43,6 +43,7 @@ > #define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */ > #define ACPI_SIG_SDEV "SDEV" /* Secure Devices table */ > #define ACPI_SIG_NHLT "NHLT" /* Non-HDAudio Link Table */ > +#define ACPI_SIG_SVKL "SVKL" /* Storage Volume Key Location Table */ > > /* > * All tables must be byte-packed to match the ACPI specification, since > @@ -1713,6 +1714,35 @@ struct acpi_sdev_pcie_path { > u8 function; > }; > > +/******************************************************************************* > + * > + * SVKL - Storage Volume Key Location Table (ACPI 6.4) > + * Version 1 > + * > + ******************************************************************************/ > + > +struct acpi_table_svkl { > + struct acpi_table_header header; /* Common ACPI table header */ > + u32 count; > +}; > + > +struct acpi_svkl_header { > + u16 type; > + u16 format; > + u32 size; > + u64 address; > +}; > + > +enum acpi_svkl_type { > + ACPI_SVKL_TYPE_MAIN_STORAGE = 0, > + ACPI_SVKL_TYPE_RESERVED = 1 /* 1 and greater are reserved */ > +}; > + > +enum acpi_svkl_format { > + ACPI_SVKL_FORMAT_RAW_BINARY = 0, > + ACPI_SVKL_FORMAT_RESERVED = 1 /* 1 and greater are reserved */ > +}; > + > /* Reset to default packing */ > > #pragma pack() > -- > 2.25.1 >
> -----Original Message----- > From: Rafael J. Wysocki <rafael@kernel.org> > Sent: Monday, May 10, 2021 9:58 AM > To: Kuppuswamy Sathyanarayanan > <sathyanarayanan.kuppuswamy@linux.intel.com>; Kaneda, Erik > <erik.kaneda@intel.com> > Cc: Rafael J Wysocki <rjw@rjwysocki.net>; Len Brown <lenb@kernel.org>; > Moore, Robert <robert.moore@intel.com>; ACPI Devel Maling List <linux- > acpi@vger.kernel.org>; open list:ACPI COMPONENT ARCHITECTURE > (ACPICA) <devel@acpica.org>; Linux Kernel Mailing List <linux- > kernel@vger.kernel.org>; Wysocki, Rafael J <rafael.j.wysocki@intel.com> > Subject: Re: [PATCH 1/1] ACPICA: Add SVKL table headers > > On Thu, Apr 22, 2021 at 9:29 PM Kuppuswamy Sathyanarayanan > <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > > > ACPICA commit b5e6bcf69dbb9877481992d5ce86008cfb94f5b8 > > > > SVKL (Storage Volume Key Location Table) is used by BIOS/Firmware > > to share storage volume encryption key's with OS. It will be used > > by userspace to decrypt and mount encrypted drives. > > > > So add SVKL table signature and add it to known signatures array > > support SVKL. > > > > You can find details about the SVKL table in TDX specfication > > titled "Guest-Host-Communication Interface (GHCI) for Intel > > Trust Domain Extensions (Intel® TDX)", sec 4.4 and in ACPI > > specification r6.4, sec 5.2.6. > > > > > https://software.intel.com/content/dam/develop/external/us/en/documen > ts/intel-tdx-guest-hypervisor-communication-interface.pdf > > > > Cc: Robert Moore <robert.moore@intel.com> > > Cc: Erik Kaneda <erik.kaneda@intel.com> > > Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > > > Link: https://github.com/acpica/acpica/commit/b5e6bcf6 > > Signed-off-by: Kuppuswamy Sathyanarayanan > <sathyanarayanan.kuppuswamy@linux.intel.com> > > Signed-off-by: Bob Moore <robert.moore@intel.com> > > Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> > > Erik, what's the plan regarding this patch and the other ACPICA change > requisite for this series? > > Are they going to be part of the next ACPICA release and am I going to > receive them the usual way? Yes, we'll do this the usual way Erik > > > --- > > include/acpi/actbl2.h | 30 ++++++++++++++++++++++++++++++ > > 1 file changed, 30 insertions(+) > > > > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > > index d6478c430c99..83a9d8b68e3a 100644 > > --- a/include/acpi/actbl2.h > > +++ b/include/acpi/actbl2.h > > @@ -43,6 +43,7 @@ > > #define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception > Interface Table */ > > #define ACPI_SIG_SDEV "SDEV" /* Secure Devices table */ > > #define ACPI_SIG_NHLT "NHLT" /* Non-HDAudio Link Table */ > > +#define ACPI_SIG_SVKL "SVKL" /* Storage Volume Key Location > Table */ > > > > /* > > * All tables must be byte-packed to match the ACPI specification, since > > @@ -1713,6 +1714,35 @@ struct acpi_sdev_pcie_path { > > u8 function; > > }; > > > > > +/********************************************************* > ********************** > > + * > > + * SVKL - Storage Volume Key Location Table (ACPI 6.4) > > + * Version 1 > > + * > > + > ********************************************************** > ********************/ > > + > > +struct acpi_table_svkl { > > + struct acpi_table_header header; /* Common ACPI table header > */ > > + u32 count; > > +}; > > + > > +struct acpi_svkl_header { > > + u16 type; > > + u16 format; > > + u32 size; > > + u64 address; > > +}; > > + > > +enum acpi_svkl_type { > > + ACPI_SVKL_TYPE_MAIN_STORAGE = 0, > > + ACPI_SVKL_TYPE_RESERVED = 1 /* 1 and greater are reserved */ > > +}; > > + > > +enum acpi_svkl_format { > > + ACPI_SVKL_FORMAT_RAW_BINARY = 0, > > + ACPI_SVKL_FORMAT_RESERVED = 1 /* 1 and greater are reserved */ > > +}; > > + > > /* Reset to default packing */ > > > > #pragma pack() > > -- > > 2.25.1 > >
On Tue, May 11, 2021 at 2:17 AM Kaneda, Erik <erik.kaneda@intel.com> wrote: > > > > > -----Original Message----- > > From: Rafael J. Wysocki <rafael@kernel.org> > > Sent: Monday, May 10, 2021 9:58 AM > > To: Kuppuswamy Sathyanarayanan > > <sathyanarayanan.kuppuswamy@linux.intel.com>; Kaneda, Erik > > <erik.kaneda@intel.com> > > Cc: Rafael J Wysocki <rjw@rjwysocki.net>; Len Brown <lenb@kernel.org>; > > Moore, Robert <robert.moore@intel.com>; ACPI Devel Maling List <linux- > > acpi@vger.kernel.org>; open list:ACPI COMPONENT ARCHITECTURE > > (ACPICA) <devel@acpica.org>; Linux Kernel Mailing List <linux- > > kernel@vger.kernel.org>; Wysocki, Rafael J <rafael.j.wysocki@intel.com> > > Subject: Re: [PATCH 1/1] ACPICA: Add SVKL table headers > > > > On Thu, Apr 22, 2021 at 9:29 PM Kuppuswamy Sathyanarayanan > > <sathyanarayanan.kuppuswamy@linux.intel.com> wrote: > > > > > > ACPICA commit b5e6bcf69dbb9877481992d5ce86008cfb94f5b8 > > > > > > SVKL (Storage Volume Key Location Table) is used by BIOS/Firmware > > > to share storage volume encryption key's with OS. It will be used > > > by userspace to decrypt and mount encrypted drives. > > > > > > So add SVKL table signature and add it to known signatures array > > > support SVKL. > > > > > > You can find details about the SVKL table in TDX specfication > > > titled "Guest-Host-Communication Interface (GHCI) for Intel > > > Trust Domain Extensions (Intel® TDX)", sec 4.4 and in ACPI > > > specification r6.4, sec 5.2.6. > > > > > > > > https://software.intel.com/content/dam/develop/external/us/en/documen > > ts/intel-tdx-guest-hypervisor-communication-interface.pdf > > > > > > Cc: Robert Moore <robert.moore@intel.com> > > > Cc: Erik Kaneda <erik.kaneda@intel.com> > > > Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > > > > > Link: https://github.com/acpica/acpica/commit/b5e6bcf6 > > > Signed-off-by: Kuppuswamy Sathyanarayanan > > <sathyanarayanan.kuppuswamy@linux.intel.com> > > > Signed-off-by: Bob Moore <robert.moore@intel.com> > > > Signed-off-by: Erik Kaneda <erik.kaneda@intel.com> > > > > Erik, what's the plan regarding this patch and the other ACPICA change > > requisite for this series? > > > > Are they going to be part of the next ACPICA release and am I going to > > receive them the usual way? > > Yes, we'll do this the usual way OK, thanks!
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index d6478c430c99..83a9d8b68e3a 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -43,6 +43,7 @@ #define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */ #define ACPI_SIG_SDEV "SDEV" /* Secure Devices table */ #define ACPI_SIG_NHLT "NHLT" /* Non-HDAudio Link Table */ +#define ACPI_SIG_SVKL "SVKL" /* Storage Volume Key Location Table */ /* * All tables must be byte-packed to match the ACPI specification, since @@ -1713,6 +1714,35 @@ struct acpi_sdev_pcie_path { u8 function; }; +/******************************************************************************* + * + * SVKL - Storage Volume Key Location Table (ACPI 6.4) + * Version 1 + * + ******************************************************************************/ + +struct acpi_table_svkl { + struct acpi_table_header header; /* Common ACPI table header */ + u32 count; +}; + +struct acpi_svkl_header { + u16 type; + u16 format; + u32 size; + u64 address; +}; + +enum acpi_svkl_type { + ACPI_SVKL_TYPE_MAIN_STORAGE = 0, + ACPI_SVKL_TYPE_RESERVED = 1 /* 1 and greater are reserved */ +}; + +enum acpi_svkl_format { + ACPI_SVKL_FORMAT_RAW_BINARY = 0, + ACPI_SVKL_FORMAT_RESERVED = 1 /* 1 and greater are reserved */ +}; + /* Reset to default packing */ #pragma pack()