mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 23:15:26 +07:00
f931551baf
Add a low-level IB driver for QLogic PCIe adapters. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
374 lines
11 KiB
C
374 lines
11 KiB
C
/*
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* Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
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* All rights reserved.
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* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#define IB_SMP_UNSUP_VERSION cpu_to_be16(0x0004)
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#define IB_SMP_UNSUP_METHOD cpu_to_be16(0x0008)
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#define IB_SMP_UNSUP_METH_ATTR cpu_to_be16(0x000C)
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#define IB_SMP_INVALID_FIELD cpu_to_be16(0x001C)
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struct ib_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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__be64 sys_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];
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} __attribute__ ((packed));
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struct ib_mad_notice_attr {
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u8 generic_type;
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u8 prod_type_msb;
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__be16 prod_type_lsb;
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__be16 trap_num;
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__be16 issuer_lid;
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__be16 toggle_count;
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union {
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struct {
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u8 details[54];
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} raw_data;
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struct {
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__be16 reserved;
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__be16 lid; /* where violation happened */
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u8 port_num; /* where violation happened */
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} __attribute__ ((packed)) ntc_129_131;
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struct {
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__be16 reserved;
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__be16 lid; /* LID where change occured */
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u8 reserved2;
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u8 local_changes; /* low bit - local changes */
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__be32 new_cap_mask; /* new capability mask */
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u8 reserved3;
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u8 change_flags; /* low 3 bits only */
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} __attribute__ ((packed)) ntc_144;
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struct {
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__be16 reserved;
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__be16 lid; /* lid where sys guid changed */
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__be16 reserved2;
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__be64 new_sys_guid;
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} __attribute__ ((packed)) ntc_145;
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struct {
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__be16 reserved;
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__be16 lid;
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__be16 dr_slid;
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u8 method;
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u8 reserved2;
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__be16 attr_id;
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__be32 attr_mod;
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__be64 mkey;
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u8 reserved3;
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u8 dr_trunc_hop;
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u8 dr_rtn_path[30];
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} __attribute__ ((packed)) ntc_256;
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struct {
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__be16 reserved;
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__be16 lid1;
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__be16 lid2;
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__be32 key;
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__be32 sl_qp1; /* SL: high 4 bits */
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__be32 qp2; /* high 8 bits reserved */
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union ib_gid gid1;
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union ib_gid gid2;
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} __attribute__ ((packed)) ntc_257_258;
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} details;
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};
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/*
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* Generic trap/notice types
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*/
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#define IB_NOTICE_TYPE_FATAL 0x80
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#define IB_NOTICE_TYPE_URGENT 0x81
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#define IB_NOTICE_TYPE_SECURITY 0x82
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#define IB_NOTICE_TYPE_SM 0x83
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#define IB_NOTICE_TYPE_INFO 0x84
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/*
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* Generic trap/notice producers
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*/
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#define IB_NOTICE_PROD_CA cpu_to_be16(1)
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#define IB_NOTICE_PROD_SWITCH cpu_to_be16(2)
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#define IB_NOTICE_PROD_ROUTER cpu_to_be16(3)
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#define IB_NOTICE_PROD_CLASS_MGR cpu_to_be16(4)
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/*
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* Generic trap/notice numbers
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*/
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#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
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#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
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#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
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#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
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#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
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#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
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#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
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#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)
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/*
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* Repress trap/notice flags
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*/
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#define IB_NOTICE_REPRESS_LLI_THRESH (1 << 0)
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#define IB_NOTICE_REPRESS_EBO_THRESH (1 << 1)
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#define IB_NOTICE_REPRESS_FLOW_UPDATE (1 << 2)
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#define IB_NOTICE_REPRESS_CAP_MASK_CHG (1 << 3)
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#define IB_NOTICE_REPRESS_SYS_GUID_CHG (1 << 4)
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#define IB_NOTICE_REPRESS_BAD_MKEY (1 << 5)
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#define IB_NOTICE_REPRESS_BAD_PKEY (1 << 6)
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#define IB_NOTICE_REPRESS_BAD_QKEY (1 << 7)
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/*
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* Generic trap/notice other local changes flags (trap 144).
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*/
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#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
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#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
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#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01
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/*
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* Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
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*/
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#define IB_NOTICE_TRAP_DR_NOTICE 0x80
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#define IB_NOTICE_TRAP_DR_TRUNC 0x40
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struct ib_vl_weight_elem {
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u8 vl; /* Only low 4 bits, upper 4 bits reserved */
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u8 weight;
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};
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#define IB_VLARB_LOWPRI_0_31 1
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#define IB_VLARB_LOWPRI_32_63 2
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#define IB_VLARB_HIGHPRI_0_31 3
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#define IB_VLARB_HIGHPRI_32_63 4
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/*
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* PMA class portinfo capability mask bits
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*/
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#define IB_PMA_CLASS_CAP_ALLPORTSELECT cpu_to_be16(1 << 8)
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#define IB_PMA_CLASS_CAP_EXT_WIDTH cpu_to_be16(1 << 9)
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#define IB_PMA_CLASS_CAP_XMIT_WAIT cpu_to_be16(1 << 12)
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#define IB_PMA_CLASS_PORT_INFO cpu_to_be16(0x0001)
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#define IB_PMA_PORT_SAMPLES_CONTROL cpu_to_be16(0x0010)
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#define IB_PMA_PORT_SAMPLES_RESULT cpu_to_be16(0x0011)
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#define IB_PMA_PORT_COUNTERS cpu_to_be16(0x0012)
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#define IB_PMA_PORT_COUNTERS_EXT cpu_to_be16(0x001D)
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#define IB_PMA_PORT_SAMPLES_RESULT_EXT cpu_to_be16(0x001E)
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#define IB_PMA_PORT_COUNTERS_CONG cpu_to_be16(0xFF00)
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struct ib_perf {
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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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__be16 unused;
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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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u8 reserved[40];
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u8 data[192];
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} __attribute__ ((packed));
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struct ib_pma_classportinfo {
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u8 base_version;
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u8 class_version;
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__be16 cap_mask;
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u8 reserved[3];
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u8 resp_time_value; /* only lower 5 bits */
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union ib_gid redirect_gid;
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__be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */
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__be16 redirect_lid;
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__be16 redirect_pkey;
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__be32 redirect_qp; /* only lower 24 bits */
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__be32 redirect_qkey;
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union ib_gid trap_gid;
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__be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */
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__be16 trap_lid;
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__be16 trap_pkey;
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__be32 trap_hl_qp; /* 8, 24 bits respectively */
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__be32 trap_qkey;
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} __attribute__ ((packed));
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struct ib_pma_portsamplescontrol {
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u8 opcode;
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u8 port_select;
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u8 tick;
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u8 counter_width; /* only lower 3 bits */
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__be32 counter_mask0_9; /* 2, 10 * 3, bits */
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__be16 counter_mask10_14; /* 1, 5 * 3, bits */
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u8 sample_mechanisms;
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u8 sample_status; /* only lower 2 bits */
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__be64 option_mask;
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__be64 vendor_mask;
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__be32 sample_start;
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__be32 sample_interval;
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__be16 tag;
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__be16 counter_select[15];
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} __attribute__ ((packed));
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struct ib_pma_portsamplesresult {
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__be16 tag;
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__be16 sample_status; /* only lower 2 bits */
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__be32 counter[15];
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} __attribute__ ((packed));
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struct ib_pma_portsamplesresult_ext {
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__be16 tag;
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__be16 sample_status; /* only lower 2 bits */
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__be32 extended_width; /* only upper 2 bits */
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__be64 counter[15];
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} __attribute__ ((packed));
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struct ib_pma_portcounters {
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u8 reserved;
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u8 port_select;
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__be16 counter_select;
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__be16 symbol_error_counter;
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u8 link_error_recovery_counter;
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u8 link_downed_counter;
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__be16 port_rcv_errors;
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__be16 port_rcv_remphys_errors;
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__be16 port_rcv_switch_relay_errors;
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__be16 port_xmit_discards;
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u8 port_xmit_constraint_errors;
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u8 port_rcv_constraint_errors;
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u8 reserved1;
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u8 lli_ebor_errors; /* 4, 4, bits */
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__be16 reserved2;
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__be16 vl15_dropped;
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__be32 port_xmit_data;
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__be32 port_rcv_data;
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__be32 port_xmit_packets;
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__be32 port_rcv_packets;
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} __attribute__ ((packed));
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struct ib_pma_portcounters_cong {
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u8 reserved;
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u8 reserved1;
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__be16 port_check_rate;
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__be16 symbol_error_counter;
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u8 link_error_recovery_counter;
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u8 link_downed_counter;
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__be16 port_rcv_errors;
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__be16 port_rcv_remphys_errors;
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__be16 port_rcv_switch_relay_errors;
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__be16 port_xmit_discards;
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u8 port_xmit_constraint_errors;
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u8 port_rcv_constraint_errors;
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u8 reserved2;
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u8 lli_ebor_errors; /* 4, 4, bits */
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__be16 reserved3;
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__be16 vl15_dropped;
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__be64 port_xmit_data;
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__be64 port_rcv_data;
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__be64 port_xmit_packets;
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__be64 port_rcv_packets;
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__be64 port_xmit_wait;
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__be64 port_adr_events;
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} __attribute__ ((packed));
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#define IB_PMA_CONG_HW_CONTROL_TIMER 0x00
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#define IB_PMA_CONG_HW_CONTROL_SAMPLE 0x01
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#define QIB_XMIT_RATE_UNSUPPORTED 0x0
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#define QIB_XMIT_RATE_PICO 0x7
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/* number of 4nsec cycles equaling 2secs */
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#define QIB_CONG_TIMER_PSINTERVAL 0x1DCD64EC
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#define IB_PMA_SEL_SYMBOL_ERROR cpu_to_be16(0x0001)
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#define IB_PMA_SEL_LINK_ERROR_RECOVERY cpu_to_be16(0x0002)
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#define IB_PMA_SEL_LINK_DOWNED cpu_to_be16(0x0004)
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#define IB_PMA_SEL_PORT_RCV_ERRORS cpu_to_be16(0x0008)
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#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS cpu_to_be16(0x0010)
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#define IB_PMA_SEL_PORT_XMIT_DISCARDS cpu_to_be16(0x0040)
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#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS cpu_to_be16(0x0200)
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#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS cpu_to_be16(0x0400)
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#define IB_PMA_SEL_PORT_VL15_DROPPED cpu_to_be16(0x0800)
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#define IB_PMA_SEL_PORT_XMIT_DATA cpu_to_be16(0x1000)
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#define IB_PMA_SEL_PORT_RCV_DATA cpu_to_be16(0x2000)
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#define IB_PMA_SEL_PORT_XMIT_PACKETS cpu_to_be16(0x4000)
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#define IB_PMA_SEL_PORT_RCV_PACKETS cpu_to_be16(0x8000)
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#define IB_PMA_SEL_CONG_ALL 0x01
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#define IB_PMA_SEL_CONG_PORT_DATA 0x02
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#define IB_PMA_SEL_CONG_XMIT 0x04
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#define IB_PMA_SEL_CONG_ROUTING 0x08
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struct ib_pma_portcounters_ext {
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u8 reserved;
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u8 port_select;
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__be16 counter_select;
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__be32 reserved1;
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__be64 port_xmit_data;
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__be64 port_rcv_data;
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__be64 port_xmit_packets;
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__be64 port_rcv_packets;
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__be64 port_unicast_xmit_packets;
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__be64 port_unicast_rcv_packets;
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__be64 port_multicast_xmit_packets;
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__be64 port_multicast_rcv_packets;
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} __attribute__ ((packed));
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#define IB_PMA_SELX_PORT_XMIT_DATA cpu_to_be16(0x0001)
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#define IB_PMA_SELX_PORT_RCV_DATA cpu_to_be16(0x0002)
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#define IB_PMA_SELX_PORT_XMIT_PACKETS cpu_to_be16(0x0004)
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#define IB_PMA_SELX_PORT_RCV_PACKETS cpu_to_be16(0x0008)
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#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS cpu_to_be16(0x0010)
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#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS cpu_to_be16(0x0020)
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#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS cpu_to_be16(0x0040)
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#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS cpu_to_be16(0x0080)
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/*
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* The PortSamplesControl.CounterMasks field is an array of 3 bit fields
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* which specify the N'th counter's capabilities. See ch. 16.1.3.2.
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* We support 5 counters which only count the mandatory quantities.
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*/
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#define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
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#define COUNTER_MASK0_9 \
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cpu_to_be32(COUNTER_MASK(1, 0) | \
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COUNTER_MASK(1, 1) | \
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COUNTER_MASK(1, 2) | \
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COUNTER_MASK(1, 3) | \
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COUNTER_MASK(1, 4))
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