--- /dev/null
+#ifndef _IPXE_BOFM_H
+#define _IPXE_BOFM_H
+
+/**
+ * @file
+ *
+ * IBM BladeCenter Open Fabric Manager (BOFM)
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/list.h>
+#include <ipxe/pci.h>
+#include <config/sideband.h>
+
+/** 'IBM ' signature
+ *
+ * Present in %edi when the BIOS initialisation entry point is called,
+ * with the BOFM table pointer in %esi.
+ *
+ * Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
+ * Re-Assignment Architecture document.
+ */
+#define IBMs_SIGNATURE ( ( 'I' << 24 ) + ( 'B' << 16 ) + ( 'M' << 8 ) + ' ' )
+
+/** ' IBM' signature
+ *
+ * Returned in %edi from the BIOS initialisation entry point, with the
+ * return code in %dl.
+ *
+ * Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
+ * Re-Assignment Architecture document.
+ */
+#define sIBM_SIGNATURE ( ( ' ' << 24 ) + ( 'I' << 16 ) + ( 'B' << 8 ) + 'M' )
+
+/** @defgroup bofmrc BOFM return codes
+ *
+ * Defined in section 4.1.3 of the POST/BIOS BOFM I/O Address
+ * Re-Assignment Architecture document.
+ *
+ * @{
+ */
+
+/** Successful */
+#define BOFM_SUCCESS 0x00
+
+/** Invalid action string */
+#define BOFM_ERR_INVALID_ACTION 0x01
+
+/** Unsupported parameter structure version */
+#define BOFM_ERR_UNSUPPORTED 0x02
+
+/** Device error prohibited MAC/WWN update */
+#define BOFM_ERR_DEVICE_ERROR 0x03
+
+/** PCI reset required (may be combined with another return code) */
+#define BOFM_PCI_RESET 0x80
+
+/** @} */
+
+/** Skip option ROM initialisation
+ *
+ * A BOFM BIOS may call the initialisation entry point multiple times;
+ * only the last call should result in actual initialisation.
+ *
+ * This flag is internal to iPXE.
+ */
+#define BOFM_SKIP_INIT 0x80000000UL
+
+/** BOFM table header
+ *
+ * Defined in section 4.1 of the Open Fabric Manager Parameter
+ * Specification document.
+ */
+struct bofm_global_header {
+ /** Signature */
+ uint32_t magic;
+ /** Subsignature (action string) */
+ uint32_t action;
+ /** Data structure version */
+ uint8_t version;
+ /** Data structure level */
+ uint8_t level;
+ /** Data structure length */
+ uint16_t length;
+ /** Data structure checksum */
+ uint8_t checksum;
+ /** Data structure profile */
+ char profile[32];
+ /** Data structure global options */
+ uint32_t options;
+ /** Data structure sequence stamp */
+ uint32_t sequence;
+} __attribute__ (( packed ));
+
+/** BOFM table header signature
+ *
+ * Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
+ * Re-Assignment Architecture document.
+ */
+#define BOFM_IOAA_MAGIC ( 'I' + ( 'O' << 8 ) + ( 'A' << 16 ) + ( 'A' << 24 ) )
+
+/** @defgroup bofmaction BOFM header subsignatures (action strings)
+ *
+ * Defined in section 4.1.2 of the POST/BIOS BOFM I/O Address
+ * Re-Assignment Architecture document.
+ *
+ * @{
+ */
+
+/** Update MAC/WWN */
+#define BOFM_ACTION_UPDT ( 'U' + ( 'P' << 8 ) + ( 'D' << 16 ) + ( 'T' << 24 ) )
+
+/** Restore MAC/WWN to factory default */
+#define BOFM_ACTION_DFLT ( 'D' + ( 'F' << 8 ) + ( 'L' << 16 ) + ( 'T' << 24 ) )
+
+/** Harvest MAC/WWN */
+#define BOFM_ACTION_HVST ( 'H' + ( 'V' << 8 ) + ( 'S' << 16 ) + ( 'T' << 24 ) )
+
+/** Update MAC/WWN and initialise device */
+#define BOFM_ACTION_PARM ( 'P' + ( 'A' << 8 ) + ( 'R' << 16 ) + ( 'M' << 24 ) )
+
+/** Just initialise the device */
+#define BOFM_ACTION_NONE ( 'N' + ( 'O' << 8 ) + ( 'N' << 16 ) + ( 'E' << 24 ) )
+
+/** @} */
+
+/** BOFM section header
+ *
+ * Defined in section 4.2 of the Open Fabric Manager Parameter
+ * Specification document.
+ */
+struct bofm_section_header {
+ /** Signature */
+ uint32_t magic;
+ /** Length */
+ uint16_t length;
+} __attribute__ (( packed ));
+
+/** @defgroup bofmsections BOFM section header signatures
+ *
+ * Defined in section 4.2 of the Open Fabric Manager Parameter
+ * Specification document.
+ *
+ * @{
+ */
+
+/** EN start marker */
+#define BOFM_EN_MAGIC ( ' ' + ( ' ' << 8 ) + ( 'E' << 16 ) + ( 'N' << 24 ) )
+
+/** End marker */
+#define BOFM_DONE_MAGIC ( 'D' + ( 'O' << 8 ) + ( 'N' << 16 ) + ( 'E' << 24 ) )
+
+/** @} */
+
+/** BOFM Ethernet parameter entry
+ *
+ * Defined in section 5.1 of the Open Fabric Manager Parameter
+ * Specification document.
+ */
+struct bofm_en {
+ /** Options */
+ uint16_t options;
+ /** PCI bus:dev.fn
+ *
+ * Valid only if @c options indicates @c BOFM_EN_MAP_PFA
+ */
+ uint16_t busdevfn;
+ /** Slot or mezzanine number
+ *
+ * Valid only if @c options indicates @c BOFM_EN_MAP_SLOT_PORT
+ */
+ uint8_t slot;
+ /** Port number
+ *
+ * Valid only if @c options indicates @c BOFM_EN_MAP_SLOT_PORT
+ */
+ uint8_t port;
+ /** Multi-port index */
+ uint8_t mport;
+ /** VLAN tag for MAC address A */
+ uint16_t vlan_a;
+ /** MAC address A
+ *
+ * MAC address A is the sole MAC address, or the lower
+ * (inclusive) bound of a range of MAC addresses.
+ */
+ uint8_t mac_a[6];
+ /** VLAN tag for MAC address B */
+ uint16_t vlan_b;
+ /** MAC address B
+ *
+ * MAC address B is unset, or the upper (inclusive) bound of a
+ * range of MAC addresses
+ */
+ uint8_t mac_b[6];
+} __attribute__ (( packed ));
+
+/** @defgroup bofmenopts BOFM Ethernet parameter entry options
+ *
+ * Defined in section 5.1 of the Open Fabric Manager Parameter
+ * Specification document.
+ *
+ * @{
+ */
+
+/** Port mapping mask */
+#define BOFM_EN_MAP_MASK 0x0001
+
+/** Port mapping is by PCI bus:dev.fn */
+#define BOFM_EN_MAP_PFA 0x0000
+
+/** Port mapping is by slot/port */
+#define BOFM_EN_MAP_SLOT_PORT 0x0001
+
+/** MAC address B is present */
+#define BOFM_EN_EN_B 0x0002
+
+/** VLAN tag for MAC address B is present */
+#define BOFM_EN_VLAN_B 0x0004
+
+/** MAC address A is present */
+#define BOFM_EN_EN_A 0x0008
+
+/** VLAN tag for MAC address A is present */
+#define BOFM_EN_VLAN_A 0x0010
+
+/** Entry consumption indicator mask */
+#define BOFM_EN_CSM_MASK 0x00c0
+
+/** Entry has not been used */
+#define BOFM_EN_CSM_UNUSED 0x0000
+
+/** Entry has been used successfully */
+#define BOFM_EN_CSM_SUCCESS 0x0040
+
+/** Entry has been used but failed */
+#define BOFM_EN_CSM_FAILED 0x0080
+
+/** Consumed entry change mask */
+#define BOFM_EN_CHG_MASK 0x0100
+
+/** Consumed entry is same as previous active entry */
+#define BOFM_EN_CHG_UNCHANGED 0x0000
+
+/** Consumed entry is different than previous active entry */
+#define BOFM_EN_CHG_CHANGED 0x0100
+
+/** Ignore values - it's harvest time */
+#define BOFM_EN_USAGE_HARVEST 0x1000
+
+/** Use entry values for assignment */
+#define BOFM_EN_USAGE_ENTRY 0x0800
+
+/** Use factory default values */
+#define BOFM_EN_USAGE_DEFAULT 0x0400
+
+/** Harvest complete */
+#define BOFM_EN_HVST 0x2000
+
+/** Harvest request mask */
+#define BOFM_EN_RQ_HVST_MASK 0xc000
+
+/** Do not harvest */
+#define BOFM_EN_RQ_HVST_NONE 0x0000
+
+/** Harvest factory default values */
+#define BOFM_EN_RQ_HVST_DEFAULT 0x4000
+
+/** Harvest active values */
+#define BOFM_EN_RQ_HVST_ACTIVE 0xc000
+
+/** @} */
+
+/** BOFM magic value debug message format */
+#define BOFM_MAGIC_FMT "'%c%c%c%c'"
+
+/** BOFM magic value debug message arguments */
+#define BOFM_MAGIC_ARGS( magic ) \
+ ( ( (magic) >> 0 ) & 0xff ), ( ( (magic) >> 8 ) & 0xff ), \
+ ( ( (magic) >> 16 ) & 0xff ), ( ( (magic) >> 24 ) & 0xff )
+
+/** A BOFM device */
+struct bofm_device {
+ /** Underlying PCI device */
+ struct pci_device *pci;
+ /** BOFM device operations */
+ struct bofm_operations *op;
+ /** List of BOFM devices */
+ struct list_head list;
+};
+
+/** BOFM device operations */
+struct bofm_operations {
+ /** Harvest Ethernet MAC
+ *
+ * @v bofm BOFM device
+ * @v mport Multi-port index
+ * @v mac MAC to fill in
+ * @ret rc Return status code
+ */
+ int ( * harvest ) ( struct bofm_device *bofm, unsigned int mport,
+ uint8_t *mac );
+ /** Update Ethernet MAC
+ *
+ * @v bofm BOFM device
+ * @v mport Multi-port index
+ * @v mac New MAC
+ * @ret rc Return status code
+ */
+ int ( * update ) ( struct bofm_device *bofm, unsigned int mport,
+ const uint8_t *mac );
+};
+
+/** BOFM driver table */
+#define BOFM_DRIVERS __table ( struct pci_driver, "bofm_drivers" )
+
+/** Declare a BOFM driver
+ *
+ * In the common case of non-BOFM-enabled builds, allow any BOFM code
+ * to be garbage-collected at link time to save space.
+ */
+#ifdef CONFIG_BOFM
+#define __bofm_driver __table_entry ( BOFM_DRIVERS, 01 )
+#else
+#define __bofm_driver
+#endif
+
+/**
+ * Initialise BOFM device
+ *
+ * @v bofm BOFM device
+ * @v pci PCI device
+ * @v op BOFM device operations
+ */
+static inline __attribute__ (( always_inline )) void
+bofm_init ( struct bofm_device *bofm, struct pci_device *pci,
+ struct bofm_operations *op ) {
+ bofm->pci = pci;
+ bofm->op = op;
+}
+
+extern int bofm_register ( struct bofm_device *bofm );
+extern void bofm_unregister ( struct bofm_device *bofm );
+extern int bofm_find_driver ( struct pci_device *pci );
+extern int bofm ( userptr_t bofmtab, struct pci_device *pci );
+extern void bofm_test ( struct pci_device *pci );
+
+#endif /* _IPXE_BOFM_H */
Code Review / kvmfornfv.git / blobdiff