mirror of https://github.com/ipxe/ipxe.git
[bofm] Add support for BOFM under EFI
Signed-off-by: Michael Brown <mcb30@ipxe.org>pull/1/head
Michael Brown
parent
bdd00e872a
commit
85eefad90c
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@ -9,6 +9,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
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#include <config/general.h>
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#include <config/console.h>
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#include <config/sideband.h>
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/** @file
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*
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@ -271,3 +272,12 @@ REQUIRE_OBJECT ( embedded );
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#ifdef DRIVERS_LINUX
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REQUIRE_OBJECT ( tap );
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#endif
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/*
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* Drag in relevant BOFM entry points
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*/
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#ifdef CONFIG_BOFM
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#ifdef BOFM_EFI
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REQUIRE_OBJECT ( efi_bofm );
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#endif /* BOFM_EFI */
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#endif /* CONFIG_BOFM */
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@ -16,6 +16,7 @@
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#define UMALLOC_EFI
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#define SMBIOS_EFI
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#define SANBOOT_NULL
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#define BOFM_EFI
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#define IMAGE_EFI /* EFI image support */
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#define IMAGE_SCRIPT /* iPXE script image support */
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@ -0,0 +1,14 @@
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#ifndef CONFIG_SIDEBAND_H
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#define CONFIG_SIDEBAND_H
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/** @file
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*
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* Sideband access by platform firmware
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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//#define CONFIG_BOFM /* IBM's BladeCenter Open Fabric Manager */
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#endif /* CONFIG_SIDEBAND_H */
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@ -0,0 +1,322 @@
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/*
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* Copyright (C) 2011 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <errno.h>
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#include <ipxe/bofm.h>
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#include <ipxe/init.h>
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#include <ipxe/efi/efi.h>
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#include <ipxe/efi/efi_pci.h>
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#include <ipxe/efi/efi_driver.h>
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/** @file
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*
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* IBM BladeCenter Open Fabric Manager (BOFM) EFI interface
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*
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*/
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/***************************************************************************
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*
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* EFI BOFM definitions
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*
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***************************************************************************
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*
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* Taken from the BOFM UEFI Vendor Specification document
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*
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*/
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#define IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL_GUID \
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{ 0x03207ce2, 0xd9c7, 0x11dc, \
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{ 0xa9, 0x4d, 0x00, 0x19, 0x7d, 0x89, 0x02, 0x38 } }
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typedef struct {
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UINT8 Id;
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UINT8 ResultByte;
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} __attribute__ (( packed )) BOFM_EPID_Results_t;
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typedef struct {
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UINT8 Version;
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UINT8 Level;
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UINT16 Length;
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UINT8 Checksum;
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UINT8 Profile[32];
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UINT8 GlobalOption0;
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UINT8 GlobalOption1;
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UINT8 GlobalOption2;
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UINT8 GlobalOption3;
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UINT32 SequenceStamp;
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UINT8 Regions[911]; // For use by BOFM Driver
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UINT32 Reserved1;
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} __attribute__ (( packed )) BOFM_Parameters_t;
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typedef struct {
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UINT32 Reserved1;
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UINT8 Version;
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UINT8 Level;
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UINT8 Checksum;
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UINT32 SequenceStamp;
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UINT8 SUIDResults;
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UINT8 EntryResults[32];
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UINT8 Reserved2;
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UINT8 Reserved3;
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UINT8 FCTgtResults[2];
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UINT8 SASTgtResults[2];
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BOFM_EPID_Results_t EPIDResults[2];
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UINT8 Results4[10];
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} __attribute__ (( packed )) BOFM_Results_t;
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typedef struct {
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UINT32 Signature;
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UINT32 SubSignature;
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BOFM_Parameters_t Parameters;
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BOFM_Results_t Results;
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} __attribute__ (( packed )) BOFM_DataStructure_t;
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#define IBM_BOFM_TABLE BOFM_DataStructure_t
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typedef struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL
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IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL;
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typedef EFI_STATUS ( EFIAPI *IBM_BOFM_DRIVER_CONFIGURATION_SUPPORT ) (
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IN IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *This,
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EFI_HANDLE ControllerHandle,
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UINT8 SupporttedOptions,
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UINT8 iSCSI_Parameter_Version,
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UINT8 BOFM_Parameter_Version
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);
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typedef EFI_STATUS ( EFIAPI *IBM_BOFM_DRIVER_CONFIGURATION_STATUS ) (
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IN IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *This,
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EFI_HANDLE ControllerHandle,
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BOOLEAN ResetRequired,
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UINT8 BOFMReturnCode
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);
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struct _IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL {
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IBM_BOFM_TABLE BofmTable;
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IBM_BOFM_DRIVER_CONFIGURATION_STATUS SetStatus;
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IBM_BOFM_DRIVER_CONFIGURATION_SUPPORT RegisterSupport;
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};
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/***************************************************************************
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*
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* EFI BOFM interface
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*
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***************************************************************************
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*/
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/** BOFM protocol GUID */
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static EFI_GUID bofm_protocol_guid =
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IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL_GUID;
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/**
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* Check if device is supported
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*
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* @v driver EFI driver
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* @v device EFI device
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* @v child Path to child device, if any
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* @ret efirc EFI status code
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*/
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static EFI_STATUS EFIAPI
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efi_bofm_supported ( EFI_DRIVER_BINDING_PROTOCOL *driver,
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EFI_HANDLE device,
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EFI_DEVICE_PATH_PROTOCOL *child ) {
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struct efi_driver *efidrv =
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container_of ( driver, struct efi_driver, driver );
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EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
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union {
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IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *bofm;
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void *interface;
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} u;
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struct efi_pci_device *efipci;
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EFI_STATUS efirc;
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int rc;
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DBGCP ( efidrv, "BOFM DRIVER_SUPPORTED %p (%p)\n", device, child );
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/* Create corresponding PCI device, if any */
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efipci = efipci_create ( efidrv, device );
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if ( ! efipci ) {
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efirc = EFI_UNSUPPORTED;
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goto err_not_pci;
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}
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/* Look for a BOFM driver */
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if ( ( rc = bofm_find_driver ( &efipci->pci ) ) != 0 ) {
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DBGC2 ( efidrv, "BOFM " PCI_FMT " has no driver\n",
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PCI_ARGS ( &efipci->pci ) );
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efirc = EFI_UNSUPPORTED;
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goto err_no_driver;
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}
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/* Locate BOFM protocol */
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if ( ( efirc = bs->LocateProtocol ( &bofm_protocol_guid, NULL,
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&u.interface ) ) != 0 ) {
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DBGC ( efidrv, "BOFM " PCI_FMT " cannot find BOFM protocol\n",
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PCI_ARGS ( &efipci->pci ) );
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efirc = EFI_UNSUPPORTED;
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goto err_not_bofm;
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}
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/* Register support for this device */
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if ( ( efirc = u.bofm->RegisterSupport ( u.bofm, device,
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0x04 /* Can change MAC */,
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0x00 /* No iSCSI */,
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0x01 /* Version */ ) ) != 0 ) {
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DBGC ( efidrv, "BOFM " PCI_FMT " could not register support: "
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"%s\n", PCI_ARGS ( &efipci->pci ),
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efi_strerror ( efirc ) );
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goto err_cannot_register;
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}
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DBGC ( efidrv, "BOFM " PCI_FMT " is supported by driver \"%s\"\n",
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PCI_ARGS ( &efipci->pci ), efipci->pci.id->name );
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/* Destroy temporary PCI device */
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efipci_destroy ( efidrv, efipci );
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return 0;
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err_cannot_register:
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err_not_bofm:
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err_no_driver:
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efipci_destroy ( efidrv, efipci );
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err_not_pci:
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return efirc;
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}
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/**
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* Attach driver to device
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*
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* @v driver EFI driver
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* @v device EFI device
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* @v child Path to child device, if any
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* @ret efirc EFI status code
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*/
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static EFI_STATUS EFIAPI efi_bofm_start ( EFI_DRIVER_BINDING_PROTOCOL *driver,
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EFI_HANDLE device,
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EFI_DEVICE_PATH_PROTOCOL *child ) {
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struct efi_driver *efidrv =
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container_of ( driver, struct efi_driver, driver );
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EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
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union {
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IBM_BOFM_DRIVER_CONFIGURATION_PROTOCOL *bofm;
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void *interface;
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} u;
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struct efi_pci_device *efipci;
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EFI_STATUS efirc;
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int bofmrc;
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DBGCP ( efidrv, "BOFM DRIVER_START %p (%p)\n", device, child );
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/* Create corresponding PCI device */
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efipci = efipci_create ( efidrv, device );
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if ( ! efipci ) {
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efirc = EFI_OUT_OF_RESOURCES;
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goto err_create;
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}
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/* Enable PCI device */
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if ( ( efirc = efipci_enable ( efipci ) ) != 0 )
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goto err_enable;
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/* Locate BOFM protocol */
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if ( ( efirc = bs->LocateProtocol ( &bofm_protocol_guid, NULL,
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&u.interface ) ) != 0 ) {
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DBGC ( efidrv, "BOFM " PCI_FMT " cannot find BOFM protocol\n",
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PCI_ARGS ( &efipci->pci ) );
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goto err_locate_bofm;
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}
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/* Process BOFM table */
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bofmrc = bofm ( virt_to_user ( &u.bofm->BofmTable ), &efipci->pci );
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DBGC ( efidrv, "BOFM " PCI_FMT " status %08x\n",
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PCI_ARGS ( &efipci->pci ), bofmrc );
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/* Return BOFM status */
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if ( ( efirc = u.bofm->SetStatus ( u.bofm, device, FALSE,
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bofmrc ) ) != 0 ) {
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DBGC ( efidrv, "BOFM " PCI_FMT " could not set BOFM status: "
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"%s\n", PCI_ARGS ( &efipci->pci ),
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efi_strerror ( efirc ) );
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goto err_set_status;
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}
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/* Destroy the PCI device anyway; we have no further use for it */
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efipci_destroy ( efidrv, efipci );
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/* BOFM (ab)uses the "start" method to mean "process and exit" */
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return EFI_NOT_READY;
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err_set_status:
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err_locate_bofm:
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err_enable:
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efipci_destroy ( efidrv, efipci );
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err_create:
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return efirc;
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}
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/**
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* Detach driver from device
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*
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* @v driver EFI driver
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* @v device EFI device
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* @v num_children Number of child devices
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* @v children List of child devices
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* @ret efirc EFI status code
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*/
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static EFI_STATUS EFIAPI efi_bofm_stop ( EFI_DRIVER_BINDING_PROTOCOL *driver,
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EFI_HANDLE device, UINTN num_children,
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EFI_HANDLE *children ) {
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struct efi_driver *efidrv =
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container_of ( driver, struct efi_driver, driver );
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DBGCP ( efidrv, "BOFM DRIVER_STOP %p (%ld %p)\n",
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device, ( ( unsigned long ) num_children ), children );
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return 0;
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}
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/** EFI BOFM driver */
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static struct efi_driver efi_bofm_driver =
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EFI_DRIVER_INIT ( "BOFM",
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efi_bofm_supported, efi_bofm_start, efi_bofm_stop );
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/**
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* Install EFI BOFM driver
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*
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*/
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static void efi_bofm_driver_init ( void ) {
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struct efi_driver *efidrv = &efi_bofm_driver;
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EFI_STATUS efirc;
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/* Install driver */
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if ( ( efirc = efi_driver_install ( efidrv ) ) != 0 ) {
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DBGC ( efidrv, "BOFM could not install driver: %s\n",
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efi_strerror ( efirc ) );
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return;
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}
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DBGC ( efidrv, "BOFM driver installed\n" );
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}
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/** EFI BOFM startup function */
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struct startup_fn startup_bofm __startup_fn ( STARTUP_EARLY ) = {
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.startup = efi_bofm_driver_init,
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};
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