Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / smbios.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/smbios.h b/qemu/roms/ipxe/src/include/ipxe/smbios.h
new file mode 100644 (file)
index 0000000..ef5892a
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/smbios.h
@@ -0,0 +1,193 @@
+#ifndef _IPXE_SMBIOS_H
+#define _IPXE_SMBIOS_H
+
+/** @file
+ *
+ * System Management BIOS
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/api.h>
+#include <config/general.h>
+#include <ipxe/uaccess.h>
+
+/**
+ * Provide an SMBIOS API implementation
+ *
+ * @v _prefix          Subsystem prefix
+ * @v _api_func                API function
+ * @v _func            Implementing function
+ */
+#define PROVIDE_SMBIOS( _subsys, _api_func, _func ) \
+       PROVIDE_SINGLE_API ( SMBIOS_PREFIX_ ## _subsys, _api_func, _func )
+
+/* Include all architecture-independent SMBIOS API headers */
+#include <ipxe/efi/efi_smbios.h>
+#include <ipxe/linux/linux_smbios.h>
+
+/* Include all architecture-dependent SMBIOS API headers */
+#include <bits/smbios.h>
+
+/** Signature for SMBIOS entry point */
+#define SMBIOS_SIGNATURE \
+        ( ( '_' << 0 ) + ( 'S' << 8 ) + ( 'M' << 16 ) + ( '_' << 24 ) )
+
+/**
+ * SMBIOS entry point
+ *
+ * This is the single table which describes the list of SMBIOS
+ * structures.  It is located by scanning through the BIOS segment.
+ */
+struct smbios_entry {
+       /** Signature
+        *
+        * Must be equal to SMBIOS_SIGNATURE
+        */
+       uint32_t signature;
+       /** Checksum */
+       uint8_t checksum;
+       /** Length */
+       uint8_t len;
+       /** Major version */
+       uint8_t major;
+       /** Minor version */
+       uint8_t minor;
+       /** Maximum structure size */
+       uint16_t max;
+       /** Entry point revision */
+       uint8_t revision;
+       /** Formatted area */
+       uint8_t formatted[5];
+       /** DMI Signature */
+       uint8_t dmi_signature[5];
+       /** DMI checksum */
+       uint8_t dmi_checksum;
+       /** Structure table length */
+       uint16_t smbios_len;
+       /** Structure table address */
+       uint32_t smbios_address;
+       /** Number of SMBIOS structures */
+       uint16_t smbios_count;
+       /** BCD revision */
+       uint8_t bcd_revision;
+} __attribute__ (( packed ));
+
+/** An SMBIOS structure header */
+struct smbios_header {
+       /** Type */
+       uint8_t type;
+       /** Length */
+       uint8_t len;
+       /** Handle */
+       uint16_t handle;
+} __attribute__ (( packed ));
+
+/** SMBIOS structure descriptor */
+struct smbios_structure {
+       /** Copy of SMBIOS structure header */
+       struct smbios_header header;
+       /** Offset of structure within SMBIOS */
+       size_t offset;
+       /** Length of strings section */
+       size_t strings_len;
+};
+
+/** SMBIOS system information structure */
+struct smbios_system_information {
+       /** SMBIOS structure header */
+       struct smbios_header header;
+       /** Manufacturer string */
+       uint8_t manufacturer;
+       /** Product string */
+       uint8_t product;
+       /** Version string */
+       uint8_t version;
+       /** Serial number string */
+       uint8_t serial;
+       /** UUID */
+       uint8_t uuid[16];
+       /** Wake-up type */
+       uint8_t wakeup;
+} __attribute__ (( packed ));
+
+/** SMBIOS system information structure type */
+#define SMBIOS_TYPE_SYSTEM_INFORMATION 1
+
+/** SMBIOS base board information structure */
+struct smbios_base_board_information {
+       /** SMBIOS structure header */
+       struct smbios_header header;
+       /** Manufacturer string */
+       uint8_t manufacturer;
+       /** Product string */
+       uint8_t product;
+       /** Version string */
+       uint8_t version;
+       /** Serial number string */
+       uint8_t serial;
+} __attribute__ (( packed ));
+
+/** SMBIOS base board information structure type */
+#define SMBIOS_TYPE_BASE_BOARD_INFORMATION 2
+
+/** SMBIOS enclosure information structure */
+struct smbios_enclosure_information {
+       /** SMBIOS structure header */
+       struct smbios_header header;
+       /** Manufacturer string */
+       uint8_t manufacturer;
+       /** Type string */
+       uint8_t type;
+       /** Version string */
+       uint8_t version;
+       /** Serial number string */
+       uint8_t serial;
+       /** Asset tag */
+       uint8_t asset_tag;
+} __attribute__ (( packed ));
+
+/** SMBIOS enclosure information structure type */
+#define SMBIOS_TYPE_ENCLOSURE_INFORMATION 3
+
+/**
+ * SMBIOS entry point descriptor
+ *
+ * This contains the information from the SMBIOS entry point that we
+ * care about.
+ */
+struct smbios {
+       /** Start of SMBIOS structures */
+       userptr_t address;
+       /** Length of SMBIOS structures */
+       size_t len;
+       /** Number of SMBIOS structures */
+       unsigned int count;
+       /** SMBIOS version */
+       uint16_t version;
+};
+
+/**
+ * Calculate SMBIOS version
+ *
+ * @v major            Major version
+ * @v minor            Minor version
+ * @ret version                SMBIOS version
+ */
+#define SMBIOS_VERSION( major, minor ) ( ( (major) << 8 ) | (minor) )
+
+extern int find_smbios ( struct smbios *smbios );
+extern int find_smbios_entry ( userptr_t start, size_t len,
+                              struct smbios_entry *entry );
+extern int find_smbios_structure ( unsigned int type, unsigned int instance,
+                                  struct smbios_structure *structure );
+extern int read_smbios_structure ( struct smbios_structure *structure,
+                                  void *data, size_t len );
+extern int read_smbios_string ( struct smbios_structure *structure,
+                               unsigned int index,
+                               void *data, size_t len );
+extern int smbios_version ( void );
+
+#endif /* _IPXE_SMBIOS_H */