mirror of
https://github.com/ipxe/ipxe
synced 2025-12-23 21:41:43 +03:00
[fc] Add support for Fibre Channel name server lookups
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
@@ -189,6 +189,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
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#define ERRFILE_fcels ( ERRFILE_NET | 0x002c0000 )
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#define ERRFILE_fcp ( ERRFILE_NET | 0x002d0000 )
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#define ERRFILE_fcoe ( ERRFILE_NET | 0x002e0000 )
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#define ERRFILE_fcns ( ERRFILE_NET | 0x002f0000 )
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#define ERRFILE_image ( ERRFILE_IMAGE | 0x00000000 )
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#define ERRFILE_elf ( ERRFILE_IMAGE | 0x00010000 )
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@@ -64,6 +64,7 @@ struct sockaddr_fc {
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extern struct fc_port_id fc_empty_port_id;
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extern struct fc_port_id fc_f_port_id;
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extern struct fc_port_id fc_gs_port_id;
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extern struct fc_port_id fc_ptp_low_port_id;
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extern struct fc_port_id fc_ptp_high_port_id;
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@@ -190,6 +191,7 @@ enum fc_type {
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FC_TYPE_BLS = 0x00, /**< Basic Link Service */
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FC_TYPE_ELS = 0x01, /**< Extended Link Service */
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FC_TYPE_FCP = 0x08, /**< Fibre Channel Protocol */
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FC_TYPE_CT = 0x20, /**< Common Transport */
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};
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/** Fibre Channel Frame Control - Exchange and Sequence */
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@@ -277,6 +279,9 @@ struct fc_port {
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/** Link port ID (for point-to-point links only) */
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struct fc_port_id ptp_link_port_id;
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/** Name server PLOGI interface */
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struct interface ns_plogi;
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/** List of active exchanges */
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struct list_head xchgs;
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};
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@@ -285,6 +290,8 @@ struct fc_port {
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enum fc_port_flags {
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/** Port is attached to a fabric */
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FC_PORT_HAS_FABRIC = 0x0001,
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/** Port is logged in to a name server */
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FC_PORT_HAS_NS = 0x0002,
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};
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/**
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217
src/include/ipxe/fcns.h
Normal file
217
src/include/ipxe/fcns.h
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@@ -0,0 +1,217 @@
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#ifndef _IPXE_FCNS_H
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#define _IPXE_FCNS_H
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/**
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* @file
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*
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* Fibre Channel name server lookups
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdint.h>
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#include <ipxe/fc.h>
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/** A Fibre Channel Common Transport header */
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struct fc_ct_header {
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/** Revision */
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uint8_t revision;
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/** Original requestor ID */
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struct fc_port_id in_id;
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/** Generic service type */
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uint8_t type;
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/** Generic service subtype */
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uint8_t subtype;
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/** Options */
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uint8_t options;
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/** Reserved */
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uint8_t reserved;
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/** Command/response code */
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uint16_t code;
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/** Maximum/residual size */
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uint16_t size;
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/** Fragment ID */
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uint8_t fragment;
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/** Reason code */
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uint8_t reason;
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/** Reason code explanation */
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uint8_t explanation;
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/** Vendor specific */
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uint8_t vendor;
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} __attribute__ (( packed ));
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/** Fibre Channel Common Transport revision */
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#define FC_CT_REVISION 1
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/** Fibre Channel generic service type */
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enum fc_gs_type {
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/** Directory service */
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FC_GS_TYPE_DS = 0xfc,
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};
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/** Fibre Channel generic service response codes */
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enum fc_gs_response_code {
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/** Accepted */
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FC_GS_ACCEPT = 0x8002,
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/** Rejected */
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FC_GS_REJECT = 0x8001,
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};
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/** Fibre Channel generic service rejection reason codes */
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enum fc_gs_reason_code {
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/** Invalid command code */
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FC_GS_BAD_COMMAND = 0x01,
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/** Invalid version level */
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FC_GS_BAD_VERSION = 0x02,
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/** Logical error */
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FC_GS_ERROR = 0x03,
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/** Invalid CT_IU size */
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FC_GS_BAD_SIZE = 0x04,
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/** Logical busy */
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FC_GS_BUSY = 0x05,
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/** Protocol error */
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FC_GS_EPROTO = 0x07,
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/** Unable to perform command request */
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FC_GS_UNABLE = 0x09,
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/** Command not supported */
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FC_GS_ENOTSUP = 0x0b,
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/** Server not available */
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FC_GS_UNAVAILABLE = 0x0d,
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/** Session could not be established */
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FC_GS_SESSION = 0x0e,
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};
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/** Fibre Channel directory service subtype */
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enum fc_ds_subtype {
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/** Name server */
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FC_DS_SUBTYPE_NAME = 0x02,
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};
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/** Fibre Channel name server commands */
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enum fc_ns_command_nibble {
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/** Get */
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FC_NS_GET = 0x1,
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/** Register */
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FC_NS_REGISTER = 0x2,
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/** De-register */
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FC_NS_DEREGISTER = 0x3,
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};
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/** Fibre Channel name server objects */
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enum fc_ns_object_nibble {
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/** Port ID */
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FC_NS_PORT_ID = 0x1,
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/** Port name */
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FC_NS_PORT_NAME = 0x2,
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/** Node name */
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FC_NS_NODE_NAME = 0x3,
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/** FC-4 types */
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FC_NS_FC4_TYPES = 0x7,
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/** Symbolic port name */
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FC_NS_SYM_PORT_NAME = 0x8,
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/** Symbolic node name */
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FC_NS_SYM_NODE_NAME = 0x9,
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/** FC-4 features */
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FC_NS_FC4_FEATURES = 0xf,
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};
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/** Construct Fibre Channel name server command code
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*
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* @v command Name server command
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* @v key Name server key
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* @v value Name server value
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* @ret code Name server command code
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*/
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#define FC_NS_CODE( command, key, value ) \
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( ( (command) << 8 ) | ( (key) << 4 ) | ( (value) << 0 ) )
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/** Construct Fibre Channel name server "get" command code
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*
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* @v key Name server key
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* @v value Name server value to get
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* @ret code Name server command code
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*/
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#define FC_NS_GET( key, value ) FC_NS_CODE ( FC_NS_GET, key, value )
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/** Construct Fibre Channel name server "register" command code
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*
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* @v key Name server key
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* @v value Name server value to register
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* @ret code Name server command code
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*/
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#define FC_NS_REGISTER( key, value ) FC_NS_CODE ( FC_NS_REGISTER, key, value )
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/** Extract Fibre Channel name server command
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*
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* @v code Name server command code
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* @ret command Name server command
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*/
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#define FC_NS_COMMAND( code ) ( ( (code) >> 8 ) & 0xf )
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/** Extract Fibre Channel name server key
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*
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* @v code Name server command code
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* @ret key Name server key
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*/
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#define FC_NS_KEY( code ) ( ( (code) >> 4 ) & 0xf )
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/** Extract Fibre Channel name server value
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*
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* @v code Name server command code
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* @ret value NAme server value
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*/
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#define FC_NS_VALUE( code ) ( ( (code) >> 0 ) & 0xf )
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/** A Fibre Channel name server port ID */
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struct fc_ns_port_id {
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/** Reserved */
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uint8_t reserved;
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/** Port ID */
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struct fc_port_id port_id;
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} __attribute__ (( packed ));
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/** A Fibre Channel name server GID_PN request */
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struct fc_ns_gid_pn_request {
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/** Common Transport header */
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struct fc_ct_header ct;
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/** Port name */
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struct fc_name port_wwn;
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} __attribute__ (( packed ));
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/** A Fibre Channel name server request */
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union fc_ns_request {
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/** Get ID by port name */
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struct fc_ns_gid_pn_request gid_pn;
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};
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/** A Fibre Channel name server rejection response */
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struct fc_ns_reject_response {
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/** Common Transport header */
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struct fc_ct_header ct;
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} __attribute__ (( packed ));
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/** A Fibre Channel name server GID_PN response */
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struct fc_ns_gid_pn_response {
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/** Common Transport header */
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struct fc_ct_header ct;
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/** Port ID */
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struct fc_ns_port_id port_id;
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} __attribute__ (( packed ));
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/** A Fibre Channel name server response */
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union fc_ns_response {
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/** Common Transport header */
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struct fc_ct_header ct;
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/** Rejection */
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struct fc_ns_reject_response reject;
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/** Get ID by port name */
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struct fc_ns_gid_pn_response gid_pn;
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};
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extern int fc_ns_query ( struct fc_peer *peer, struct fc_port *port,
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int ( * done ) ( struct fc_peer *peer,
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struct fc_port *port,
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struct fc_port_id *peer_port_id ) );
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#endif /* _IPXE_FCNS_H */
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