cregit-Linux how code gets into the kernel

Release 4.14 include/rdma/ib_smi.h

Directory: include/rdma
/*
 * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
 * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
 * Copyright (c) 2004 Intel Corporation.  All rights reserved.
 * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
 * Copyright (c) 2004 Voltaire Corporation.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#if !defined(IB_SMI_H)

#define IB_SMI_H

#include <rdma/ib_mad.h>


#define IB_SMP_DATA_SIZE			64

#define IB_SMP_MAX_PATH_HOPS			64


struct ib_smp {
	
u8	base_version;
	
u8	mgmt_class;
	
u8	class_version;
	
u8	method;
	
__be16	status;
	
u8	hop_ptr;
	
u8	hop_cnt;
	
__be64	tid;
	
__be16	attr_id;
	
__be16	resv;
	
__be32	attr_mod;
	
__be64	mkey;
	
__be16	dr_slid;
	
__be16	dr_dlid;
	
u8	reserved[28];
	
u8	data[IB_SMP_DATA_SIZE];
	
u8	initial_path[IB_SMP_MAX_PATH_HOPS];
	
u8	return_path[IB_SMP_MAX_PATH_HOPS];
} __attribute__ ((packed));


#define IB_SMP_DIRECTION			cpu_to_be16(0x8000)

/* Subnet management attributes */

#define IB_SMP_ATTR_NOTICE			cpu_to_be16(0x0002)

#define IB_SMP_ATTR_NODE_DESC			cpu_to_be16(0x0010)

#define IB_SMP_ATTR_NODE_INFO			cpu_to_be16(0x0011)

#define IB_SMP_ATTR_SWITCH_INFO			cpu_to_be16(0x0012)

#define IB_SMP_ATTR_GUID_INFO			cpu_to_be16(0x0014)

#define IB_SMP_ATTR_PORT_INFO			cpu_to_be16(0x0015)

#define IB_SMP_ATTR_PKEY_TABLE			cpu_to_be16(0x0016)

#define IB_SMP_ATTR_SL_TO_VL_TABLE		cpu_to_be16(0x0017)

#define IB_SMP_ATTR_VL_ARB_TABLE		cpu_to_be16(0x0018)

#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE	cpu_to_be16(0x0019)

#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE	cpu_to_be16(0x001A)

#define IB_SMP_ATTR_MCAST_FORWARD_TABLE		cpu_to_be16(0x001B)

#define IB_SMP_ATTR_SM_INFO			cpu_to_be16(0x0020)

#define IB_SMP_ATTR_VENDOR_DIAG			cpu_to_be16(0x0030)

#define IB_SMP_ATTR_LED_INFO			cpu_to_be16(0x0031)

#define IB_SMP_ATTR_VENDOR_MASK			cpu_to_be16(0xFF00)


struct ib_port_info {
	
__be64 mkey;
	
__be64 gid_prefix;
	
__be16 lid;
	
__be16 sm_lid;
	
__be32 cap_mask;
	
__be16 diag_code;
	
__be16 mkey_lease_period;
	
u8 local_port_num;
	
u8 link_width_enabled;
	
u8 link_width_supported;
	
u8 link_width_active;
	
u8 linkspeed_portstate;			/* 4 bits, 4 bits */
	
u8 portphysstate_linkdown;		/* 4 bits, 4 bits */
	
u8 mkeyprot_resv_lmc;			/* 2 bits, 3, 3 */
	
u8 linkspeedactive_enabled;		/* 4 bits, 4 bits */
	
u8 neighbormtu_mastersmsl;		/* 4 bits, 4 bits */
	
u8 vlcap_inittype;			/* 4 bits, 4 bits */
	
u8 vl_high_limit;
	
u8 vl_arb_high_cap;
	
u8 vl_arb_low_cap;
	
u8 inittypereply_mtucap;		/* 4 bits, 4 bits */
	
u8 vlstallcnt_hoqlife;			/* 3 bits, 5 bits */
	
u8 operationalvl_pei_peo_fpi_fpo;	/* 4 bits, 1, 1, 1, 1 */
	
__be16 mkey_violations;
	
__be16 pkey_violations;
	
__be16 qkey_violations;
	
u8 guid_cap;
	
u8 clientrereg_resv_subnetto;		/* 1 bit, 2 bits, 5 */
	
u8 resv_resptimevalue;			/* 3 bits, 5 bits */
	
u8 localphyerrors_overrunerrors;	/* 4 bits, 4 bits */
	
__be16 max_credit_hint;
	
u8 resv;
	
u8 link_roundtrip_latency[3];
};


struct ib_node_info {
	
u8 base_version;
	
u8 class_version;
	
u8 node_type;
	
u8 num_ports;
	
__be64 sys_guid;
	
__be64 node_guid;
	
__be64 port_guid;
	
__be16 partition_cap;
	
__be16 device_id;
	
__be32 revision;
	
u8 local_port_num;
	
u8 vendor_id[3];

} __packed;


struct ib_vl_weight_elem {
	
u8      vl;     /* IB: VL is low 4 bits, upper 4 bits reserved */
                        /* OPA: VL is low 5 bits, upper 3 bits reserved */
	
u8      weight;
};


static inline u8 ib_get_smp_direction(struct ib_smp *smp) { return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); }

Contributors

PersonTokensPropCommitsCommitProp
Roland Dreier25100.00%1100.00%
Total25100.00%1100.00%

/* * SM Trap/Notice numbers */ #define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129) #define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130) #define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131) #define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144) #define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145) #define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256) #define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257) #define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258) /* * Other local changes flags (trap 144). */ #define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */ #define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */ #define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01 /* * M_Key volation flags in dr_trunc_hop (trap 256). */ #define IB_NOTICE_TRAP_DR_NOTICE 0x80 #define IB_NOTICE_TRAP_DR_TRUNC 0x40 #endif /* IB_SMI_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Roland Dreier17039.53%228.57%
Leonid Arsh11927.67%114.29%
Ira Weiny11526.74%114.29%
Harvey Harrison173.95%114.29%
Sean Hefty81.86%114.29%
Dotan Barak10.23%114.29%
Total430100.00%7100.00%
Directory: include/rdma
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