352 lines
8.5 KiB
C
352 lines
8.5 KiB
C
#ifndef _IPXE_BOFM_H
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#define _IPXE_BOFM_H
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/**
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* @file
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*
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* IBM BladeCenter Open Fabric Manager (BOFM)
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <stdint.h>
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#include <ipxe/list.h>
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#include <ipxe/pci.h>
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#include <config/sideband.h>
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/** 'IBM ' signature
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*
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* Present in %edi when the BIOS initialisation entry point is called,
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* with the BOFM table pointer in %esi.
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*
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* Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
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* Re-Assignment Architecture document.
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*/
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#define IBMs_SIGNATURE ( ( 'I' << 24 ) + ( 'B' << 16 ) + ( 'M' << 8 ) + ' ' )
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/** ' IBM' signature
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*
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* Returned in %edi from the BIOS initialisation entry point, with the
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* return code in %dl.
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*
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* Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
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* Re-Assignment Architecture document.
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*/
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#define sIBM_SIGNATURE ( ( ' ' << 24 ) + ( 'I' << 16 ) + ( 'B' << 8 ) + 'M' )
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/** @defgroup bofmrc BOFM return codes
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*
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* Defined in section 4.1.3 of the POST/BIOS BOFM I/O Address
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* Re-Assignment Architecture document.
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*
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* @{
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*/
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/** Successful */
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#define BOFM_SUCCESS 0x00
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/** Invalid action string */
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#define BOFM_ERR_INVALID_ACTION 0x01
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/** Unsupported parameter structure version */
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#define BOFM_ERR_UNSUPPORTED 0x02
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/** Device error prohibited MAC/WWN update */
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#define BOFM_ERR_DEVICE_ERROR 0x03
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/** PCI reset required (may be combined with another return code) */
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#define BOFM_PCI_RESET 0x80
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/** @} */
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/** Skip option ROM initialisation
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*
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* A BOFM BIOS may call the initialisation entry point multiple times;
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* only the last call should result in actual initialisation.
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*
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* This flag is internal to iPXE.
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*/
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#define BOFM_SKIP_INIT 0x80000000UL
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/** BOFM table header
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*
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* Defined in section 4.1 of the Open Fabric Manager Parameter
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* Specification document.
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*/
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struct bofm_global_header {
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/** Signature */
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uint32_t magic;
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/** Subsignature (action string) */
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uint32_t action;
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/** Data structure version */
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uint8_t version;
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/** Data structure level */
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uint8_t level;
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/** Data structure length */
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uint16_t length;
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/** Data structure checksum */
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uint8_t checksum;
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/** Data structure profile */
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char profile[32];
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/** Data structure global options */
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uint32_t options;
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/** Data structure sequence stamp */
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uint32_t sequence;
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} __attribute__ (( packed ));
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/** BOFM table header signature
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*
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* Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
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* Re-Assignment Architecture document.
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*/
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#define BOFM_IOAA_MAGIC ( 'I' + ( 'O' << 8 ) + ( 'A' << 16 ) + ( 'A' << 24 ) )
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/** @defgroup bofmaction BOFM header subsignatures (action strings)
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*
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* Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
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* Re-Assignment Architecture document.
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*
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* @{
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*/
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/** Update MAC/WWN */
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#define BOFM_ACTION_UPDT ( 'U' + ( 'P' << 8 ) + ( 'D' << 16 ) + ( 'T' << 24 ) )
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/** Restore MAC/WWN to factory default */
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#define BOFM_ACTION_DFLT ( 'D' + ( 'F' << 8 ) + ( 'L' << 16 ) + ( 'T' << 24 ) )
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/** Harvest MAC/WWN */
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#define BOFM_ACTION_HVST ( 'H' + ( 'V' << 8 ) + ( 'S' << 16 ) + ( 'T' << 24 ) )
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/** Update MAC/WWN and initialise device */
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#define BOFM_ACTION_PARM ( 'P' + ( 'A' << 8 ) + ( 'R' << 16 ) + ( 'M' << 24 ) )
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/** Just initialise the device */
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#define BOFM_ACTION_NONE ( 'N' + ( 'O' << 8 ) + ( 'N' << 16 ) + ( 'E' << 24 ) )
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/** @} */
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/** BOFM section header
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*
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* Defined in section 4.2 of the Open Fabric Manager Parameter
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* Specification document.
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*/
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struct bofm_section_header {
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/** Signature */
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uint32_t magic;
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/** Length */
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uint16_t length;
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} __attribute__ (( packed ));
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/** @defgroup bofmsections BOFM section header signatures
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*
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* Defined in section 4.2 of the Open Fabric Manager Parameter
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* Specification document.
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*
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* @{
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*/
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/** EN start marker */
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#define BOFM_EN_MAGIC ( ' ' + ( ' ' << 8 ) + ( 'E' << 16 ) + ( 'N' << 24 ) )
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/** End marker */
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#define BOFM_DONE_MAGIC ( 'D' + ( 'O' << 8 ) + ( 'N' << 16 ) + ( 'E' << 24 ) )
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/** @} */
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/** BOFM Ethernet parameter entry
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*
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* Defined in section 5.1 of the Open Fabric Manager Parameter
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* Specification document.
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*/
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struct bofm_en {
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/** Options */
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uint16_t options;
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/** PCI bus:dev.fn
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*
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* Valid only if @c options indicates @c BOFM_EN_MAP_PFA
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*/
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uint16_t busdevfn;
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/** Slot or mezzanine number
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*
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* Valid only if @c options indicates @c BOFM_EN_MAP_SLOT_PORT
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*/
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uint8_t slot;
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/** Port number
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*
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* Valid only if @c options indicates @c BOFM_EN_MAP_SLOT_PORT
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*/
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uint8_t port;
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/** Multi-port index */
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uint8_t mport;
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/** VLAN tag for MAC address A */
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uint16_t vlan_a;
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/** MAC address A
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*
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* MAC address A is the sole MAC address, or the lower
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* (inclusive) bound of a range of MAC addresses.
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*/
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uint8_t mac_a[6];
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/** VLAN tag for MAC address B */
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uint16_t vlan_b;
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/** MAC address B
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*
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* MAC address B is unset, or the upper (inclusive) bound of a
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* range of MAC addresses
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*/
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uint8_t mac_b[6];
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} __attribute__ (( packed ));
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/** @defgroup bofmenopts BOFM Ethernet parameter entry options
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*
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* Defined in section 5.1 of the Open Fabric Manager Parameter
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* Specification document.
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*
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* @{
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*/
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/** Port mapping mask */
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#define BOFM_EN_MAP_MASK 0x0001
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/** Port mapping is by PCI bus:dev.fn */
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#define BOFM_EN_MAP_PFA 0x0000
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/** Port mapping is by slot/port */
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#define BOFM_EN_MAP_SLOT_PORT 0x0001
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/** MAC address B is present */
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#define BOFM_EN_EN_B 0x0002
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/** VLAN tag for MAC address B is present */
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#define BOFM_EN_VLAN_B 0x0004
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/** MAC address A is present */
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#define BOFM_EN_EN_A 0x0008
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/** VLAN tag for MAC address A is present */
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#define BOFM_EN_VLAN_A 0x0010
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/** Entry consumption indicator mask */
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#define BOFM_EN_CSM_MASK 0x00c0
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/** Entry has not been used */
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#define BOFM_EN_CSM_UNUSED 0x0000
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/** Entry has been used successfully */
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#define BOFM_EN_CSM_SUCCESS 0x0040
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/** Entry has been used but failed */
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#define BOFM_EN_CSM_FAILED 0x0080
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/** Consumed entry change mask */
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#define BOFM_EN_CHG_MASK 0x0100
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/** Consumed entry is same as previous active entry */
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#define BOFM_EN_CHG_UNCHANGED 0x0000
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/** Consumed entry is different than previous active entry */
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#define BOFM_EN_CHG_CHANGED 0x0100
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/** Ignore values - it's harvest time */
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#define BOFM_EN_USAGE_HARVEST 0x1000
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/** Use entry values for assignment */
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#define BOFM_EN_USAGE_ENTRY 0x0800
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/** Use factory default values */
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#define BOFM_EN_USAGE_DEFAULT 0x0400
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/** Harvest complete */
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#define BOFM_EN_HVST 0x2000
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/** Harvest request mask */
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#define BOFM_EN_RQ_HVST_MASK 0xc000
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/** Do not harvest */
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#define BOFM_EN_RQ_HVST_NONE 0x0000
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/** Harvest factory default values */
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#define BOFM_EN_RQ_HVST_DEFAULT 0x4000
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/** Harvest active values */
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#define BOFM_EN_RQ_HVST_ACTIVE 0xc000
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/** @} */
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/** BOFM magic value debug message format */
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#define BOFM_MAGIC_FMT "'%c%c%c%c'"
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/** BOFM magic value debug message arguments */
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#define BOFM_MAGIC_ARGS( magic ) \
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( ( (magic) >> 0 ) & 0xff ), ( ( (magic) >> 8 ) & 0xff ), \
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( ( (magic) >> 16 ) & 0xff ), ( ( (magic) >> 24 ) & 0xff )
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/** A BOFM device */
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struct bofm_device {
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/** Underlying PCI device */
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struct pci_device *pci;
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/** BOFM device operations */
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struct bofm_operations *op;
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/** List of BOFM devices */
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struct list_head list;
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};
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/** BOFM device operations */
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struct bofm_operations {
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/** Harvest Ethernet MAC
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*
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* @v bofm BOFM device
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* @v mport Multi-port index
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* @v mac MAC to fill in
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* @ret rc Return status code
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*/
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int ( * harvest ) ( struct bofm_device *bofm, unsigned int mport,
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uint8_t *mac );
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/** Update Ethernet MAC
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*
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* @v bofm BOFM device
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* @v mport Multi-port index
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* @v mac New MAC
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* @ret rc Return status code
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*/
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int ( * update ) ( struct bofm_device *bofm, unsigned int mport,
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const uint8_t *mac );
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};
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/** BOFM driver table */
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#define BOFM_DRIVERS __table ( struct pci_driver, "bofm_drivers" )
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/** Declare a BOFM driver
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*
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* In the common case of non-BOFM-enabled builds, allow any BOFM code
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* to be garbage-collected at link time to save space.
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*/
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#ifdef CONFIG_BOFM
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#define __bofm_driver __table_entry ( BOFM_DRIVERS, 01 )
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#else
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#define __bofm_driver
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#endif
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/**
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* Initialise BOFM device
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*
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* @v bofm BOFM device
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* @v pci PCI device
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* @v op BOFM device operations
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*/
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static inline __attribute__ (( always_inline )) void
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bofm_init ( struct bofm_device *bofm, struct pci_device *pci,
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struct bofm_operations *op ) {
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bofm->pci = pci;
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bofm->op = op;
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}
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extern int bofm_register ( struct bofm_device *bofm );
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extern void bofm_unregister ( struct bofm_device *bofm );
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extern int bofm_find_driver ( struct pci_device *pci );
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extern int bofm ( userptr_t bofmtab, struct pci_device *pci );
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extern void bofm_test ( struct pci_device *pci );
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#endif /* _IPXE_BOFM_H */
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