125 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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| /*
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|  * Copyright (c) 2014 Intel Corporation.  All rights reserved.
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|  */
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| 
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| #ifndef OPA_SMI_H
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| #define OPA_SMI_H
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| 
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| #include <rdma/ib_mad.h>
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| #include <rdma/ib_smi.h>
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| 
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| #define OPA_SMP_LID_DATA_SIZE			2016
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| #define OPA_SMP_DR_DATA_SIZE			1872
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| #define OPA_SMP_MAX_PATH_HOPS			64
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| 
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| #define OPA_MAX_VLS				32
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| #define OPA_MAX_SLS				32
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| #define OPA_MAX_SCS				32
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| 
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| #define OPA_LID_PERMISSIVE			cpu_to_be32(0xFFFFFFFF)
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| 
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| struct opa_smp {
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| 	u8	base_version;
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| 	u8	mgmt_class;
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| 	u8	class_version;
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| 	u8	method;
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| 	__be16	status;
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| 	u8	hop_ptr;
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| 	u8	hop_cnt;
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| 	__be64	tid;
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| 	__be16	attr_id;
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| 	__be16	resv;
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| 	__be32	attr_mod;
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| 	__be64	mkey;
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| 	union {
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| 		struct {
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| 			uint8_t data[OPA_SMP_LID_DATA_SIZE];
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| 		} lid;
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| 		struct {
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| 			__be32	dr_slid;
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| 			__be32	dr_dlid;
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| 			u8	initial_path[OPA_SMP_MAX_PATH_HOPS];
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| 			u8	return_path[OPA_SMP_MAX_PATH_HOPS];
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| 			u8	reserved[8];
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| 			u8	data[OPA_SMP_DR_DATA_SIZE];
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| 		} dr;
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| 	} route;
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| } __packed;
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| 
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| 
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| /* Subnet management attributes */
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| /* ... */
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| #define OPA_ATTRIB_ID_NODE_DESCRIPTION		cpu_to_be16(0x0010)
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| #define OPA_ATTRIB_ID_NODE_INFO			cpu_to_be16(0x0011)
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| #define OPA_ATTRIB_ID_PORT_INFO			cpu_to_be16(0x0015)
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| #define OPA_ATTRIB_ID_PARTITION_TABLE		cpu_to_be16(0x0016)
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| #define OPA_ATTRIB_ID_SL_TO_SC_MAP		cpu_to_be16(0x0017)
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| #define OPA_ATTRIB_ID_VL_ARBITRATION		cpu_to_be16(0x0018)
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| #define OPA_ATTRIB_ID_SM_INFO			cpu_to_be16(0x0020)
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| #define OPA_ATTRIB_ID_CABLE_INFO		cpu_to_be16(0x0032)
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| #define OPA_ATTRIB_ID_AGGREGATE			cpu_to_be16(0x0080)
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| #define OPA_ATTRIB_ID_SC_TO_SL_MAP		cpu_to_be16(0x0082)
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| #define OPA_ATTRIB_ID_SC_TO_VLR_MAP		cpu_to_be16(0x0083)
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| #define OPA_ATTRIB_ID_SC_TO_VLT_MAP		cpu_to_be16(0x0084)
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| #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP		cpu_to_be16(0x0085)
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| /* ... */
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| #define OPA_ATTRIB_ID_PORT_STATE_INFO		cpu_to_be16(0x0087)
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| /* ... */
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| #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE	cpu_to_be16(0x008A)
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| /* ... */
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| 
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| struct opa_node_description {
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| 	u8 data[64];
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| } __packed;
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| 
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| struct opa_node_info {
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| 	u8      base_version;
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| 	u8      class_version;
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| 	u8      node_type;
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| 	u8      num_ports;
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| 	__be32  reserved;
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| 	__be64  system_image_guid;
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| 	__be64  node_guid;
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| 	__be64  port_guid;
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| 	__be16  partition_cap;
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| 	__be16  device_id;
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| 	__be32  revision;
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| 	u8      local_port_num;
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| 	u8      vendor_id[3];   /* network byte order */
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| } __packed;
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| 
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| #define OPA_PARTITION_TABLE_BLK_SIZE 32
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| 
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| static inline u8
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| opa_get_smp_direction(struct opa_smp *smp)
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| {
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| 	return ib_get_smp_direction((struct ib_smp *)smp);
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| }
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| 
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| static inline u8 *opa_get_smp_data(struct opa_smp *smp)
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| {
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| 	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
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| 		return smp->route.dr.data;
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| 
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| 	return smp->route.lid.data;
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| }
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| 
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| static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
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| {
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| 	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
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| 		return sizeof(smp->route.dr.data);
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| 
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| 	return sizeof(smp->route.lid.data);
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| }
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| 
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| static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
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| {
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| 	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
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| 		return sizeof(*smp) - sizeof(smp->route.dr.data);
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| 
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| 	return sizeof(*smp) - sizeof(smp->route.lid.data);
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| }
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| 
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| #endif /* OPA_SMI_H */
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