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linux-next/include/rdma/opa_port_info.h
Ira Weiny aadfc3b204 IB/hfi1: fix pstateinfo from returning improperly byteswapped value 
Byteswap link_width_downgrade_*_active values before sending on the wire.  In
addition properly define the Port State Info structure.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Christian Gomez <christian.gomez@intel.com>
Signed-off-by: Rimmer, Todd <todd.rimmer@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-09-18 11:28:47 -04:00

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/*
* Copyright (c) 2014 Intel 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(OPA_PORT_INFO_H)
#define OPA_PORT_INFO_H
/* Temporary until HFI driver is updated */
#ifndef USE_PI_LED_ENABLE
#define USE_PI_LED_ENABLE 0
#endif
#define OPA_PORT_LINK_MODE_NOP 0 /* No change */
#define OPA_PORT_LINK_MODE_OPA 4 /* Port mode is OPA */
#define OPA_PORT_PACKET_FORMAT_NOP 0 /* No change */
#define OPA_PORT_PACKET_FORMAT_8B 1 /* Format 8B */
#define OPA_PORT_PACKET_FORMAT_9B 2 /* Format 9B */
#define OPA_PORT_PACKET_FORMAT_10B 4 /* Format 10B */
#define OPA_PORT_PACKET_FORMAT_16B 8 /* Format 16B */
#define OPA_PORT_LTP_CRC_MODE_NONE 0 /* No change */
#define OPA_PORT_LTP_CRC_MODE_14 1 /* 14-bit LTP CRC mode (optional) */
#define OPA_PORT_LTP_CRC_MODE_16 2 /* 16-bit LTP CRC mode */
#define OPA_PORT_LTP_CRC_MODE_48 4 /* 48-bit LTP CRC mode (optional) */
#define OPA_PORT_LTP_CRC_MODE_PER_LANE 8 /* 12/16-bit per lane LTP CRC mode */
/* Link Down / Neighbor Link Down Reason; indicated as follows: */
#define OPA_LINKDOWN_REASON_NONE 0 /* No specified reason */
#define OPA_LINKDOWN_REASON_RCV_ERROR_0 1
#define OPA_LINKDOWN_REASON_BAD_PKT_LEN 2
#define OPA_LINKDOWN_REASON_PKT_TOO_LONG 3
#define OPA_LINKDOWN_REASON_PKT_TOO_SHORT 4
#define OPA_LINKDOWN_REASON_BAD_SLID 5
#define OPA_LINKDOWN_REASON_BAD_DLID 6
#define OPA_LINKDOWN_REASON_BAD_L2 7
#define OPA_LINKDOWN_REASON_BAD_SC 8
#define OPA_LINKDOWN_REASON_RCV_ERROR_8 9
#define OPA_LINKDOWN_REASON_BAD_MID_TAIL 10
#define OPA_LINKDOWN_REASON_RCV_ERROR_10 11
#define OPA_LINKDOWN_REASON_PREEMPT_ERROR 12
#define OPA_LINKDOWN_REASON_PREEMPT_VL15 13
#define OPA_LINKDOWN_REASON_BAD_VL_MARKER 14
#define OPA_LINKDOWN_REASON_RCV_ERROR_14 15
#define OPA_LINKDOWN_REASON_RCV_ERROR_15 16
#define OPA_LINKDOWN_REASON_BAD_HEAD_DIST 17
#define OPA_LINKDOWN_REASON_BAD_TAIL_DIST 18
#define OPA_LINKDOWN_REASON_BAD_CTRL_DIST 19
#define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK 20
#define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER 21
#define OPA_LINKDOWN_REASON_BAD_PREEMPT 22
#define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT 23
#define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT 24
#define OPA_LINKDOWN_REASON_RCV_ERROR_24 25
#define OPA_LINKDOWN_REASON_RCV_ERROR_25 26
#define OPA_LINKDOWN_REASON_RCV_ERROR_26 27
#define OPA_LINKDOWN_REASON_RCV_ERROR_27 28
#define OPA_LINKDOWN_REASON_RCV_ERROR_28 29
#define OPA_LINKDOWN_REASON_RCV_ERROR_29 30
#define OPA_LINKDOWN_REASON_RCV_ERROR_30 31
#define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN 32
#define OPA_LINKDOWN_REASON_UNKNOWN 33
/* 34 -reserved */
#define OPA_LINKDOWN_REASON_REBOOT 35
#define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN 36
/* 37-38 reserved */
#define OPA_LINKDOWN_REASON_FM_BOUNCE 39
#define OPA_LINKDOWN_REASON_SPEED_POLICY 40
#define OPA_LINKDOWN_REASON_WIDTH_POLICY 41
/* 42-48 reserved */
#define OPA_LINKDOWN_REASON_DISCONNECTED 49
#define OPA_LINKDOWN_REASONLOCAL_MEDIA_NOT_INSTALLED 50
#define OPA_LINKDOWN_REASON_NOT_INSTALLED 51
#define OPA_LINKDOWN_REASON_CHASSIS_CONFIG 52
/* 53 reserved */
#define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED 54
/* 55 reserved */
#define OPA_LINKDOWN_REASON_POWER_POLICY 56
#define OPA_LINKDOWN_REASON_LINKSPEED_POLICY 57
#define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY 58
/* 59 reserved */
#define OPA_LINKDOWN_REASON_SWITCH_MGMT 60
#define OPA_LINKDOWN_REASON_SMA_DISABLED 61
/* 62 reserved */
#define OPA_LINKDOWN_REASON_TRANSIENT 63
/* 64-255 reserved */
/* OPA Link Init reason; indicated as follows: */
/* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
#define OPA_LINKINIT_REASON_NOP 0
#define OPA_LINKINIT_REASON_LINKUP (1 << 4)
#define OPA_LINKINIT_REASON_FLAPPING (2 << 4)
#define OPA_LINKINIT_REASON_CLEAR (8 << 4)
#define OPA_LINKINIT_OUTSIDE_POLICY (8 << 4)
#define OPA_LINKINIT_QUARANTINED (9 << 4)
#define OPA_LINKINIT_INSUFIC_CAPABILITY (10 << 4)
#define OPA_LINK_SPEED_NOP 0x0000 /* Reserved (1-5 Gbps) */
#define OPA_LINK_SPEED_12_5G 0x0001 /* 12.5 Gbps */
#define OPA_LINK_SPEED_25G 0x0002 /* 25.78125? Gbps (EDR) */
#define OPA_LINK_WIDTH_1X 0x0001
#define OPA_LINK_WIDTH_2X 0x0002
#define OPA_LINK_WIDTH_3X 0x0004
#define OPA_LINK_WIDTH_4X 0x0008
#define OPA_CAP_MASK3_IsSnoopSupported (1 << 7)
#define OPA_CAP_MASK3_IsAsyncSC2VLSupported (1 << 6)
#define OPA_CAP_MASK3_IsAddrRangeConfigSupported (1 << 5)
#define OPA_CAP_MASK3_IsPassThroughSupported (1 << 4)
#define OPA_CAP_MASK3_IsSharedSpaceSupported (1 << 3)
/* reserved (1 << 2) */
#define OPA_CAP_MASK3_IsVLMarkerSupported (1 << 1)
#define OPA_CAP_MASK3_IsVLrSupported (1 << 0)
/**
* new MTU values
*/
enum {
OPA_MTU_8192 = 6,
OPA_MTU_10240 = 7,
};
enum {
OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
OPA_PORT_PHYS_CONF_STANDARD = 1,
OPA_PORT_PHYS_CONF_FIXED = 2,
OPA_PORT_PHYS_CONF_VARIABLE = 3,
OPA_PORT_PHYS_CONF_SI_PHOTO = 4
};
enum port_info_field_masks {
/* vl.cap */
OPA_PI_MASK_VL_CAP = 0x1F,
/* port_states.ledenable_offlinereason */
OPA_PI_MASK_OFFLINE_REASON = 0x0F,
OPA_PI_MASK_LED_ENABLE = 0x40,
/* port_states.unsleepstate_downdefstate */
OPA_PI_MASK_UNSLEEP_STATE = 0xF0,
OPA_PI_MASK_DOWNDEF_STATE = 0x0F,
/* port_states.portphysstate_portstate */
OPA_PI_MASK_PORT_PHYSICAL_STATE = 0xF0,
OPA_PI_MASK_PORT_STATE = 0x0F,
/* port_phys_conf */
OPA_PI_MASK_PORT_PHYSICAL_CONF = 0x0F,
/* collectivemask_multicastmask */
OPA_PI_MASK_COLLECT_MASK = 0x38,
OPA_PI_MASK_MULTICAST_MASK = 0x07,
/* mkeyprotect_lmc */
OPA_PI_MASK_MKEY_PROT_BIT = 0xC0,
OPA_PI_MASK_LMC = 0x0F,
/* smsl */
OPA_PI_MASK_SMSL = 0x1F,
/* partenforce_filterraw */
/* Filter Raw In/Out bits 1 and 2 were removed */
OPA_PI_MASK_LINKINIT_REASON = 0xF0,
OPA_PI_MASK_PARTITION_ENFORCE_IN = 0x08,
OPA_PI_MASK_PARTITION_ENFORCE_OUT = 0x04,
/* operational_vls */
OPA_PI_MASK_OPERATIONAL_VL = 0x1F,
/* sa_qp */
OPA_PI_MASK_SA_QP = 0x00FFFFFF,
/* sm_trap_qp */
OPA_PI_MASK_SM_TRAP_QP = 0x00FFFFFF,
/* localphy_overrun_errors */
OPA_PI_MASK_LOCAL_PHY_ERRORS = 0xF0,
OPA_PI_MASK_OVERRUN_ERRORS = 0x0F,
/* clientrereg_subnettimeout */
OPA_PI_MASK_CLIENT_REREGISTER = 0x80,
OPA_PI_MASK_SUBNET_TIMEOUT = 0x1F,
/* port_link_mode */
OPA_PI_MASK_PORT_LINK_SUPPORTED = (0x001F << 10),
OPA_PI_MASK_PORT_LINK_ENABLED = (0x001F << 5),
OPA_PI_MASK_PORT_LINK_ACTIVE = (0x001F << 0),
/* port_link_crc_mode */
OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED = 0x0F00,
OPA_PI_MASK_PORT_LINK_CRC_ENABLED = 0x00F0,
OPA_PI_MASK_PORT_LINK_CRC_ACTIVE = 0x000F,
/* port_mode */
OPA_PI_MASK_PORT_MODE_SECURITY_CHECK = 0x0001,
OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY = 0x0002,
OPA_PI_MASK_PORT_MODE_PKEY_CONVERT = 0x0004,
OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING = 0x0008,
OPA_PI_MASK_PORT_MODE_VL_MARKER = 0x0010,
OPA_PI_MASK_PORT_PASS_THROUGH = 0x0020,
OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE = 0x0040,
/* flit_control.interleave */
OPA_PI_MASK_INTERLEAVE_DIST_SUP = (0x0003 << 12),
OPA_PI_MASK_INTERLEAVE_DIST_ENABLE = (0x0003 << 10),
OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX = (0x001F << 5),
OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX = (0x001F << 0),
/* port_error_action */
OPA_PI_MASK_EX_BUFFER_OVERRUN = 0x80000000,
/* 7 bits reserved */
OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT = 0x00800000,
OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT = 0x00400000,
OPA_PI_MASK_FM_CFG_BAD_PREEMPT = 0x00200000,
OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER = 0x00100000,
OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK = 0x00080000,
OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST = 0x00040000,
OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST = 0x00020000,
OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST = 0x00010000,
/* 2 bits reserved */
OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER = 0x00002000,
OPA_PI_MASK_PORT_RCV_PREEMPT_VL15 = 0x00001000,
OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR = 0x00000800,
/* 1 bit reserved */
OPA_PI_MASK_PORT_RCV_BAD_MidTail = 0x00000200,
/* 1 bit reserved */
OPA_PI_MASK_PORT_RCV_BAD_SC = 0x00000080,
OPA_PI_MASK_PORT_RCV_BAD_L2 = 0x00000040,
OPA_PI_MASK_PORT_RCV_BAD_DLID = 0x00000020,
OPA_PI_MASK_PORT_RCV_BAD_SLID = 0x00000010,
OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT = 0x00000008,
OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG = 0x00000004,
OPA_PI_MASK_PORT_RCV_BAD_PKTLEN = 0x00000002,
OPA_PI_MASK_PORT_RCV_BAD_LT = 0x00000001,
/* pass_through.res_drctl */
OPA_PI_MASK_PASS_THROUGH_DR_CONTROL = 0x01,
/* buffer_units */
OPA_PI_MASK_BUF_UNIT_VL15_INIT = (0x00000FFF << 11),
OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE = (0x0000001F << 6),
OPA_PI_MASK_BUF_UNIT_CREDIT_ACK = (0x00000003 << 3),
OPA_PI_MASK_BUF_UNIT_BUF_ALLOC = (0x00000003 << 0),
/* neigh_mtu.pvlx_to_mtu */
OPA_PI_MASK_NEIGH_MTU_PVL0 = 0xF0,
OPA_PI_MASK_NEIGH_MTU_PVL1 = 0x0F,
/* neigh_mtu.vlstall_hoq_life */
OPA_PI_MASK_VL_STALL = (0x03 << 5),
OPA_PI_MASK_HOQ_LIFE = (0x1F << 0),
/* port_neigh_mode */
OPA_PI_MASK_NEIGH_MGMT_ALLOWED = (0x01 << 3),
OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS = (0x01 << 2),
OPA_PI_MASK_NEIGH_NODE_TYPE = (0x03 << 0),
/* resptime_value */
OPA_PI_MASK_RESPONSE_TIME_VALUE = 0x1F,
/* mtucap */
OPA_PI_MASK_MTU_CAP = 0x0F,
};
#if USE_PI_LED_ENABLE
struct opa_port_states {
u8 reserved;
u8 ledenable_offlinereason; /* 1 res, 1 bit, 6 bits */
u8 reserved2;
u8 portphysstate_portstate; /* 4 bits, 4 bits */
};
#define PI_LED_ENABLE_SUP 1
#else
struct opa_port_states {
u8 reserved;
u8 offline_reason; /* 2 res, 6 bits */
u8 reserved2;
u8 portphysstate_portstate; /* 4 bits, 4 bits */
};
#define PI_LED_ENABLE_SUP 0
#endif
struct opa_port_state_info {
struct opa_port_states port_states;
__be16 link_width_downgrade_tx_active;
__be16 link_width_downgrade_rx_active;
};
struct opa_port_info {
__be32 lid;
__be32 flow_control_mask;
struct {
u8 res; /* was inittype */
u8 cap; /* 3 res, 5 bits */
__be16 high_limit;
__be16 preempt_limit;
u8 arb_high_cap;
u8 arb_low_cap;
} vl;
struct opa_port_states port_states;
u8 port_phys_conf; /* 4 res, 4 bits */
u8 collectivemask_multicastmask; /* 2 res, 3, 3 */
u8 mkeyprotect_lmc; /* 2 bits, 2 res, 4 bits */
u8 smsl; /* 3 res, 5 bits */
u8 partenforce_filterraw; /* bit fields */
u8 operational_vls; /* 3 res, 5 bits */
__be16 pkey_8b;
__be16 pkey_10b;
__be16 mkey_violations;
__be16 pkey_violations;
__be16 qkey_violations;
__be32 sm_trap_qp; /* 8 bits, 24 bits */
__be32 sa_qp; /* 8 bits, 24 bits */
u8 neigh_port_num;
u8 link_down_reason;
u8 neigh_link_down_reason;
u8 clientrereg_subnettimeout; /* 1 bit, 2 bits, 5 */
struct {
__be16 supported;
__be16 enabled;
__be16 active;
} link_speed;
struct {
__be16 supported;
__be16 enabled;
__be16 active;
} link_width;
struct {
__be16 supported;
__be16 enabled;
__be16 tx_active;
__be16 rx_active;
} link_width_downgrade;
__be16 port_link_mode; /* 1 res, 5 bits, 5 bits, 5 bits */
__be16 port_ltp_crc_mode; /* 4 res, 4 bits, 4 bits, 4 bits */
__be16 port_mode; /* 9 res, bit fields */
struct {
__be16 supported;
__be16 enabled;
} port_packet_format;
struct {
__be16 interleave; /* 2 res, 2,2,5,5 */
struct {
__be16 min_initial;
__be16 min_tail;
u8 large_pkt_limit;
u8 small_pkt_limit;
u8 max_small_pkt_limit;
u8 preemption_limit;
} preemption;
} flit_control;
__be32 reserved4;
__be32 port_error_action; /* bit field */
struct {
u8 egress_port;
u8 res_drctl; /* 7 res, 1 */
} pass_through;
__be16 mkey_lease_period;
__be32 buffer_units; /* 9 res, 12, 5, 3, 3 */
__be32 reserved5;
__be32 sm_lid;
__be64 mkey;
__be64 subnet_prefix;
struct {
u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
} neigh_mtu;
struct {
u8 vlstall_hoqlife; /* 3 bits, 5 bits */
} xmit_q[OPA_MAX_VLS];
struct {
u8 addr[16];
} ipaddr_ipv6;
struct {
u8 addr[4];
} ipaddr_ipv4;
u32 reserved6;
u32 reserved7;
u32 reserved8;
__be64 neigh_node_guid;
__be32 ib_cap_mask;
__be16 reserved9; /* was ib_cap_mask2 */
__be16 opa_cap_mask;
__be32 reserved10; /* was link_roundtrip_latency */
__be16 overall_buffer_space;
__be16 reserved11; /* was max_credit_hint */
__be16 diag_code;
struct {
u8 buffer;
u8 wire;
} replay_depth;
u8 port_neigh_mode;
u8 mtucap; /* 4 res, 4 bits */
u8 resptimevalue; /* 3 res, 5 bits */
u8 local_port_num;
u8 reserved12;
u8 reserved13; /* was guid_cap */
} __attribute__ ((packed));
#endif /* OPA_PORT_INFO_H */
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