diff options
Diffstat (limited to 'qemu/roms/ipxe/src/interface/efi/efi_bofm.c')
| -rw-r--r-- | qemu/roms/ipxe/src/interface/efi/efi_bofm.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/interface/efi/efi_bofm.c b/qemu/roms/ipxe/src/interface/efi/efi_bofm.c new file mode 100644 index 000000000..bdb705196 --- /dev/null +++ b/qemu/roms/ipxe/src/interface/efi/efi_bofm.c @@ -0,0 +1,334 @@ +/* + * Copyright (C) 2011 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <errno.h> +#include <ipxe/bofm.h> +#include <ipxe/efi/efi.h> +#include <ipxe/efi/efi_pci.h> +#include <ipxe/efi/efi_driver.h> + +/** @file + * + * IBM BladeCenter Open Fabric Manager (BOFM) EFI interface + * + */ + +/*************************************************************************** + * + * EFI BOFM definitions + * + *************************************************************************** + * + * Taken from the BOFM UEFI Vendor Specification document + * + */ + +#define IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL_GUID \ + { 0x03207ce2, 0xd9c7, 0x11dc, \ + { 0xa9, 0x4d, 0x00, 0x19, 0x7d, 0x89, 0x02, 0x38 } } + +#define IBM_BOFM_DRIVER_CONFIGURATION2_PROTOCOL_GUID \ + { 0xe82a9763, 0x0584, 0x4e41, \ + { 0xbb, 0x39, 0xe0, 0xcd, 0xb8, 0xc1, 0xf0, 0xfc } } + +typedef struct { + UINT8 Id; + UINT8 ResultByte; +} __attribute__ (( packed )) BOFM_EPID_Results_t; + +typedef struct { + UINT8 Version; + UINT8 Level; + UINT16 Length; + UINT8 Checksum; + UINT8 Profile[32]; + UINT8 GlobalOption0; + UINT8 GlobalOption1; + UINT8 GlobalOption2; + UINT8 GlobalOption3; + UINT32 SequenceStamp; + UINT8 Regions[911]; // For use by BOFM Driver + UINT32 Reserved1; +} __attribute__ (( packed )) BOFM_Parameters_t; + +typedef struct { + UINT32 Reserved1; + UINT8 Version; + UINT8 Level; + UINT8 Checksum; + UINT32 SequenceStamp; + UINT8 SUIDResults; + UINT8 EntryResults[32]; + UINT8 Reserved2; + UINT8 Reserved3; + UINT8 FCTgtResults[2]; + UINT8 SASTgtResults[2]; + BOFM_EPID_Results_t EPIDResults[2]; + UINT8 Results4[10]; +} __attribute__ (( packed )) BOFM_Results_t; + +typedef struct { + UINT32 Signature; + UINT32 SubSignature; + BOFM_Parameters_t Parameters; + BOFM_Results_t Results; +} __attribute__ (( packed )) BOFM_DataStructure_t; + +#define IBM_BOFM_TABLE BOFM_DataStructure_t + +typedef struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL; + +typedef struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL2 + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL2; + +typedef EFI_STATUS ( EFIAPI *IBM_BOFM_DRIVER_CONFIGURATION_SUPPORT ) ( + IN IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *This, + EFI_HANDLE ControllerHandle, + UINT8 SupporttedOptions, + UINT8 iSCSI_Parameter_Version, + UINT8 BOFM_Parameter_Version +); + +typedef EFI_STATUS ( EFIAPI *IBM_BOFM_DRIVER_CONFIGURATION_STATUS ) ( + IN IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *This, + EFI_HANDLE ControllerHandle, + BOOLEAN ResetRequired, + UINT8 BOFMReturnCode +); + +typedef EFI_STATUS ( EFIAPI *IBM_BOFM_DRIVER_CONFIGURATION_STATUS2 ) ( + IN IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL2 *This, + EFI_HANDLE ControllerHandle, + BOOLEAN ResetRequired, + UINT8 BOFMReturnCode +); + +struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL { + IBM_BOFM_TABLE BofmTable; + IBM_BOFM_DRIVER_CONFIGURATION_STATUS SetStatus; + IBM_BOFM_DRIVER_CONFIGURATION_SUPPORT RegisterSupport; +}; + +struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL2 { + UINT32 Signature; + UINT32 Reserved1; + UINT64 Reserved2; + IBM_BOFM_DRIVER_CONFIGURATION_STATUS2 SetStatus; + IBM_BOFM_DRIVER_CONFIGURATION_SUPPORT RegisterSupport; + IBM_BOFM_TABLE BofmTable; +}; + +/*************************************************************************** + * + * EFI BOFM interface + * + *************************************************************************** + */ + +/** BOFM1 protocol GUID */ +static EFI_GUID bofm1_protocol_guid = + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL_GUID; + +/** BOFM2 protocol GUID */ +static EFI_GUID bofm2_protocol_guid = + IBM_BOFM_DRIVER_CONFIGURATION2_PROTOCOL_GUID; + +/** + * Check if device is supported + * + * @v device EFI device handle + * @ret rc Return status code + */ +static int efi_bofm_supported ( EFI_HANDLE device ) { + EFI_BOOT_SERVICES *bs = efi_systab->BootServices; + struct pci_device pci; + union { + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *bofm1; + void *interface; + } bofm1; + EFI_STATUS efirc; + int rc; + + /* Get PCI device information */ + if ( ( rc = efipci_info ( device, &pci ) ) != 0 ) + return rc; + + /* Look for a BOFM driver */ + if ( ( rc = bofm_find_driver ( &pci ) ) != 0 ) { + DBGCP ( device, "EFIBOFM %p %s has no driver\n", + device, efi_handle_name ( device ) ); + return rc; + } + + /* Locate BOFM protocol */ + if ( ( efirc = bs->LocateProtocol ( &bofm1_protocol_guid, NULL, + &bofm1.interface ) ) != 0 ) { + rc = -EEFI ( efirc ); + DBGC ( device, "EFIBOFM %p %s cannot find BOFM protocol\n", + device, efi_handle_name ( device ) ); + return rc; + } + + /* Register support for this device */ + if ( ( efirc = bofm1.bofm1->RegisterSupport ( bofm1.bofm1, device, + 0x04 /* Can change MAC */, + 0x00 /* No iSCSI */, + 0x02 /* Version */ ))!=0){ + rc = -EEFI ( efirc ); + DBGC ( device, "EFIBOFM %p %s could not register support: %s\n", + device, efi_handle_name ( device ), strerror ( rc ) ); + return rc; + } + + DBGC ( device, "EFIBOFM %p %s has driver \"%s\"\n", + device, efi_handle_name ( device ), pci.id->name ); + return 0; +} + +/** + * Attach driver to device + * + * @v efidev EFI device + * @ret rc Return status code + */ +static int efi_bofm_start ( struct efi_device *efidev ) { + EFI_BOOT_SERVICES *bs = efi_systab->BootServices; + EFI_HANDLE device = efidev->device; + union { + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *bofm1; + void *interface; + } bofm1; + union { + IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL2 *bofm2; + void *interface; + } bofm2; + struct pci_device pci; + IBM_BOFM_TABLE *bofmtab; + IBM_BOFM_TABLE *bofmtab2; + int bofmrc; + EFI_STATUS efirc; + int rc; + + /* Open PCI device, if possible */ + if ( ( rc = efipci_open ( device, EFI_OPEN_PROTOCOL_GET_PROTOCOL, + &pci ) ) != 0 ) + goto err_open; + + /* Locate BOFM protocol */ + if ( ( efirc = bs->LocateProtocol ( &bofm1_protocol_guid, NULL, + &bofm1.interface ) ) != 0 ) { + rc = -EEFI ( efirc ); + DBGC ( device, "EFIBOFM %p %s cannot find BOFM protocol\n", + device, efi_handle_name ( device ) ); + goto err_locate_bofm; + } + bofmtab = &bofm1.bofm1->BofmTable; + DBGC ( device, "EFIBOFM %p %s found version 1 BOFM table at %p+%04x\n", + device, efi_handle_name ( device ), bofmtab, + bofmtab->Parameters.Length ); + + /* Locate BOFM2 protocol, if available */ + if ( ( efirc = bs->LocateProtocol ( &bofm2_protocol_guid, NULL, + &bofm2.interface ) ) == 0 ) { + bofmtab2 = &bofm2.bofm2->BofmTable; + DBGC ( device, "EFIBOFM %p %s found version 2 BOFM table at " + "%p+%04x\n", device, efi_handle_name ( device ), + bofmtab2, bofmtab2->Parameters.Length ); + assert ( bofm2.bofm2->RegisterSupport == + bofm1.bofm1->RegisterSupport ); + } else { + DBGC ( device, "EFIBOFM %p %s cannot find BOFM2 protocol\n", + device, efi_handle_name ( device ) ); + /* Not a fatal error; may be a BOFM1-only system */ + bofmtab2 = NULL; + } + + /* Process BOFM table */ + DBGC2 ( device, "EFIBOFM %p %s version 1 before processing:\n", + device, efi_handle_name ( device ) ); + DBGC2_HD ( device, bofmtab, bofmtab->Parameters.Length ); + if ( bofmtab2 ) { + DBGC2 ( device, "EFIBOFM %p %s version 2 before processing:\n", + device, efi_handle_name ( device ) ); + DBGC2_HD ( device, bofmtab2, bofmtab2->Parameters.Length ); + } + bofmrc = bofm ( virt_to_user ( bofmtab2 ? bofmtab2 : bofmtab ), &pci ); + DBGC ( device, "EFIBOFM %p %s status %08x\n", + device, efi_handle_name ( device ), bofmrc ); + DBGC2 ( device, "EFIBOFM %p %s version 1 after processing:\n", + device, efi_handle_name ( device ) ); + DBGC2_HD ( device, bofmtab, bofmtab->Parameters.Length ); + if ( bofmtab2 ) { + DBGC2 ( device, "EFIBOFM %p %s version 2 after processing:\n", + device, efi_handle_name ( device ) ); + DBGC2_HD ( device, bofmtab2, bofmtab2->Parameters.Length ); + } + + /* Return BOFM status */ + if ( bofmtab2 ) { + if ( ( efirc = bofm2.bofm2->SetStatus ( bofm2.bofm2, device, + FALSE, bofmrc ) ) != 0){ + rc = -EEFI ( efirc ); + DBGC ( device, "EFIBOFM %p %s could not set BOFM2 " + "status: %s\n", device, + efi_handle_name ( device ), strerror ( rc ) ); + goto err_set_status; + } + } else { + if ( ( efirc = bofm1.bofm1->SetStatus ( bofm1.bofm1, device, + FALSE, bofmrc ) ) != 0){ + rc = -EEFI ( efirc ); + DBGC ( device, "EFIBOFM %p %s could not set BOFM " + "status: %s\n", device, + efi_handle_name ( device ), strerror ( rc ) ); + goto err_set_status; + } + } + + /* BOFM (ab)uses the "start" method to mean "process and exit" */ + rc = -EAGAIN; + + err_set_status: + err_locate_bofm: + efipci_close ( device ); + err_open: + return rc; +} + +/** + * Detach driver from device + * + * @v device EFI device + */ +static void efi_bofm_stop ( struct efi_device *efidev __unused ) { + + /* Should never happen */ + assert ( 0 ); +} + +/** EFI BOFM driver */ +struct efi_driver efi_bofm_driver __efi_driver ( EFI_DRIVER_EARLY ) = { + .name = "BOFM", + .supported = efi_bofm_supported, + .start = efi_bofm_start, + .stop = efi_bofm_stop, +}; |