ipath_mad.c revision b3b8128fd3b0966830ee90f1162173d07cb496a0
1e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/* 287427da55bc03dbce7906a5b09ed50279d654d28John Gregor * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved. 3e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. 4e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 5e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * This software is available to you under a choice of one of two 6e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * licenses. You may choose to be licensed under the terms of the GNU 7e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * General Public License (GPL) Version 2, available from the file 8e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * COPYING in the main directory of this source tree, or the 9e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * OpenIB.org BSD license below: 10e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 11e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Redistribution and use in source and binary forms, with or 12e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * without modification, are permitted provided that the following 13e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * conditions are met: 14e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 15e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * - Redistributions of source code must retain the above 16e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * copyright notice, this list of conditions and the following 17e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * disclaimer. 18e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 19e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * - Redistributions in binary form must reproduce the above 20e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * copyright notice, this list of conditions and the following 21e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * disclaimer in the documentation and/or other materials 22e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * provided with the distribution. 23e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 24e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * SOFTWARE. 32e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 33e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 34e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#include <rdma/ib_smi.h> 35e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 36e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#include "ipath_kernel.h" 37e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#include "ipath_verbs.h" 3827b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan#include "ipath_common.h" 39e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 40e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_SMP_UNSUP_VERSION __constant_htons(0x0004) 41e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_SMP_UNSUP_METHOD __constant_htons(0x0008) 42e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_SMP_UNSUP_METH_ATTR __constant_htons(0x000C) 43e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_SMP_INVALID_FIELD __constant_htons(0x001C) 44e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 45e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int reply(struct ib_smp *smp) 46e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 47e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 48e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The verbs framework will handle the directed/LID route 49e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * packet changes. 50e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 51e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->method = IB_MGMT_METHOD_GET_RESP; 52e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 53e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_DIRECTION; 54e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 55e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 56e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 57e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_nodedescription(struct ib_smp *smp, 58e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 59e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 60e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->attr_mod) 61e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 62e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 63e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan strncpy(smp->data, ibdev->node_desc, sizeof(smp->data)); 64e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 65e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 66e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 67e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 68e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct nodeinfo { 69e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 base_version; 70e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 class_version; 71e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 node_type; 72e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 num_ports; 73e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 sys_guid; 74e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 node_guid; 75e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_guid; 76e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 partition_cap; 77e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 device_id; 78e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 revision; 79e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 local_port_num; 80e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 vendor_id[3]; 81e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 82e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 83e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_nodeinfo(struct ib_smp *smp, 84e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 85e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 86e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct nodeinfo *nip = (struct nodeinfo *)&smp->data; 87e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_devdata *dd = to_idev(ibdev)->dd; 88e8a88f09f21c55a7e7f570290ecde570e2c37771Bryan O'Sullivan u32 vendor, majrev, minrev; 89e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 9011b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* GUID 0 is illegal */ 9111b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (smp->attr_mod || (dd->ipath_guid == 0)) 92e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 93e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 94e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->base_version = 1; 95e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->class_version = 1; 96e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->node_type = 1; /* channel adapter */ 97e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 98e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * XXX The num_ports value will need a layer function to get 99e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * the value if we ever have more than one IB port on a chip. 100e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We will also need to get the GUID for the port. 101e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 102e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->num_ports = ibdev->phys_port_cnt; 103e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* This is already in network order */ 104e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->sys_guid = to_idev(ibdev)->sys_image_guid; 10534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->node_guid = dd->ipath_guid; 106f41d229865c984015914221959675b1c8723f6a7Sean Hefty nip->port_guid = dd->ipath_guid; 10734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd)); 10834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->device_id = cpu_to_be16(dd->ipath_deviceid); 10934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan majrev = dd->ipath_majrev; 11034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan minrev = dd->ipath_minrev; 111e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->revision = cpu_to_be32((majrev << 16) | minrev); 112e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->local_port_num = port; 11334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan vendor = dd->ipath_vendorid; 114e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->vendor_id[0] = 0; 115e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->vendor_id[1] = vendor >> 8; 116e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->vendor_id[2] = vendor; 117e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 118e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 119e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 120e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 121e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_guidinfo(struct ib_smp *smp, 122e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 123e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 124e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startgx = 8 * be32_to_cpu(smp->attr_mod); 125e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 *p = (__be64 *) smp->data; 126e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 127e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 32 blocks of 8 64-bit GUIDs per block */ 128e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 129e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 130e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 131e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 132e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We only support one GUID for now. If this changes, the 133e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * portinfo.guid_cap field needs to be updated too. 134e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 13511b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (startgx == 0) { 13611b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan __be64 g = to_idev(ibdev)->dd->ipath_guid; 13711b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (g == 0) 13811b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* GUID 0 is illegal */ 13911b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 14011b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan else 14111b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* The first is a copy of the read-only HW GUID. */ 14211b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan *p = g; 14311b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan } else 144e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 145e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 146e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 147e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 148e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 149a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbellstatic void set_link_width_enabled(struct ipath_devdata *dd, u32 w) 150a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell{ 151a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, w); 152a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell} 153a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 154a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbellstatic void set_link_speed_enabled(struct ipath_devdata *dd, u32 s) 155a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell{ 156a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, s); 157a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell} 15834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 15934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_overrunthreshold(struct ipath_devdata *dd) 16034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 16134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return (dd->ipath_ibcctrl >> 16234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & 16334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; 16434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 16534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 16634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 16734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_overrunthreshold - set the overrun threshold 16834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 16934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @n: the new threshold 17034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 17134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 17234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 17334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_overrunthreshold(struct ipath_devdata *dd, unsigned n) 17434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 17534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned v; 17634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 17734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & 17834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; 17934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (v != n) { 18034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= 18134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ~(INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK << 18234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT); 18334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= 18434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (u64) n << INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT; 18534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 18634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 18734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 18834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 18934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 19034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 19134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_phyerrthreshold(struct ipath_devdata *dd) 19234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 19334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return (dd->ipath_ibcctrl >> 19434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & 19534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; 19634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 19734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 19834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 19934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_phyerrthreshold - set the physical error threshold 20034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 20134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @n: the new threshold 20234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 20334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 20434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 20534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n) 20634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 20734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned v; 20834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 20934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & 21034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; 21134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (v != n) { 21234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= 21334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK << 21434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT); 21534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= 21634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT; 21734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 21834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 21934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 22034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 22134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 22234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 22334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 22434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * get_linkdowndefaultstate - get the default linkdown state 22534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 22634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 22734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Returns zero if the default is POLL, 1 if the default is SLEEP. 22834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 22934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_linkdowndefaultstate(struct ipath_devdata *dd) 23034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 23134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE); 23234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 23334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 234e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_portinfo(struct ib_smp *smp, 235e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 236e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 237e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev; 238a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell struct ipath_devdata *dd; 239da2ab62ab5e430e6ffafc2d0e6046dcd2780f570Leonid Arsh struct ib_port_info *pip = (struct ib_port_info *)smp->data; 240e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lid; 241e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 ibcstat; 242e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 mtu; 243e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 244e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 245e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) { 246e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 247e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 248e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 249e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 250e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 251e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev = to_idev(ibdev); 252a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell dd = dev->dd; 253e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 254e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Clear all fields. Only set the non-zero fields. */ 255e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 256e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 257e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Only return the mkey if the protection field allows it. */ 258e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->method == IB_MGMT_METHOD_SET || dev->mkey == smp->mkey || 259542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot == 0) 260e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey = dev->mkey; 261e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->gid_prefix = dev->gid_prefix; 262a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lid = dd->ipath_lid; 263e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE; 264e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->sm_lid = cpu_to_be16(dev->sm_lid); 265e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->cap_mask = cpu_to_be32(dev->port_cap_flags); 266e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->diag_code; */ 267e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period); 268e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->local_port_num = port; 269a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_enabled = dd->ipath_link_width_enabled; 270a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_supported = dd->ipath_link_width_supported; 271a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_active = dd->ipath_link_width_active; 272a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeed_portstate = dd->ipath_link_speed_supported << 4; 273a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell ibcstat = dd->ipath_lastibcstat; 274a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* map LinkState to IB portinfo values. */ 275a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeed_portstate |= ipath_ib_linkstate(dd, ibcstat) + 1; 276a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 277e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->portphysstate_linkdown = 278a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (ipath_cvt_physportstate[ibcstat & dd->ibcs_lts_mask] << 4) | 279a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (get_linkdowndefaultstate(dd) ? 1 : 2); 280a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->mkeyprot_resv_lmc = (dev->mkeyprot << 6) | dd->ipath_lmc; 281a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeedactive_enabled = (dd->ipath_link_speed_active << 4) | 282a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell dd->ipath_link_speed_enabled; 283a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell switch (dd->ipath_ibmtu) { 284e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 4096: 285e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_4096; 286e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 287e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 2048: 288e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_2048; 289e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 290e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 1024: 291e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_1024; 292e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 293e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 512: 294e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_512; 295e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 296e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 256: 297e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_256; 298e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 299e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: /* oops, something is wrong */ 300e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_2048; 301e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 302e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 303e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->neighbormtu_mastersmsl = (mtu << 4) | dev->sm_sl; 304e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->vlcap_inittype = 0x10; /* VLCap = VL0, InitType = 0 */ 305e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->vl_high_limit = dev->vl_high_limit; 306e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vl_arb_high_cap; // only one VL */ 307e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vl_arb_low_cap; // only one VL */ 308e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* InitTypeReply = 0 */ 309826d801009fb3c82832f2d92149446cce354bf61Dave Olson /* our mtu cap depends on whether 4K MTU enabled or not */ 310826d801009fb3c82832f2d92149446cce354bf61Dave Olson pip->inittypereply_mtucap = ipath_mtu4096 ? IB_MTU_4096 : IB_MTU_2048; 311826d801009fb3c82832f2d92149446cce354bf61Dave Olson /* HCAs ignore VLStallCount and HOQLife */ 312e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vlstallcnt_hoqlife; */ 313e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */ 314e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey_violations = cpu_to_be16(dev->mkey_violations); 315e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* P_KeyViolations are counted by hardware. */ 316e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->pkey_violations = 317a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell cpu_to_be16((ipath_get_cr_errpkey(dd) - 318443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_pkey_violations) & 0xFFFF); 319e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->qkey_violations = cpu_to_be16(dev->qkey_violations); 320e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Only the hardware GUID is supported for now */ 321e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->guid_cap = 1; 322e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->clientrereg_resv_subnetto = dev->subnet_timeout; 323e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 32.768 usec. response time (guessing) */ 324e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->resv_resptimevalue = 3; 325e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->localphyerrors_overrunerrors = 326a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (get_phyerrthreshold(dd) << 4) | 327a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell get_overrunthreshold(dd); 328e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->max_credit_hint; */ 329a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (dev->port_cap_flags & IB_PORT_LINK_LATENCY_SUP) { 330a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell u32 v; 331a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 332a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell v = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LINKLATENCY); 333a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[0] = v >> 16; 334a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[1] = v >> 8; 335a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[2] = v; 336a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 337e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 338e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 339e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 340e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 341e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 342e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 343e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 34434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 34534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * get_pkeys - return the PKEY table for port 0 34634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 34734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @pkeys: the pkey table is placed here 34834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 34934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_pkeys(struct ipath_devdata *dd, u16 * pkeys) 35034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 35134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_portdata *pd = dd->ipath_pd[0]; 35234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 35334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan memcpy(pkeys, pd->port_pkeys, sizeof(pd->port_pkeys)); 35434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 35534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 35634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 35734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 358e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_pkeytable(struct ib_smp *smp, 359e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 360e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 361e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); 362e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 *p = (u16 *) smp->data; 363e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 *q = (__be16 *) smp->data; 364e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 365e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 64 blocks of 32 16-bit P_Key entries */ 366e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 367e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 368e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (startpx == 0) { 369e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 37034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned i, n = ipath_get_npkeys(dev->dd); 371e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 37234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan get_pkeys(dev->dd, p); 373e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 374e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < n; i++) 375e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan q[i] = cpu_to_be16(p[i]); 376e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } else 377e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 378e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 379e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 380e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 381e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 382e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_guidinfo(struct ib_smp *smp, 383e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 384e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 385e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* The only GUID we support is the first read-only entry. */ 386e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_subn_get_guidinfo(smp, ibdev); 387e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 388e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 389e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/** 39034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_linkdowndefaultstate - set the default linkdown state 39134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 39234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @sleep: the new state 39334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 39434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 39534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 39634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_linkdowndefaultstate(struct ipath_devdata *dd, int sleep) 39734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 39834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (sleep) 39934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; 40034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan else 40134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; 40234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 40334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 40434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 40534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 40634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 40734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 408e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * recv_subn_set_portinfo - set port information 409e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @smp: the incoming SM packet 410e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @ibdev: the infiniband device 411e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @port: the port on the device 412e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 413e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Set Portinfo (see ch. 14.2.5.6). 414e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 415e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_portinfo(struct ib_smp *smp, 416e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 417e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 418da2ab62ab5e430e6ffafc2d0e6046dcd2780f570Leonid Arsh struct ib_port_info *pip = (struct ib_port_info *)smp->data; 419e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_event event; 420e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev; 421542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell struct ipath_devdata *dd; 422e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan char clientrereg = 0; 423e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lid, smlid; 424e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 lwe; 425e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 lse; 426e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 state; 427e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lstate; 428e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 mtu; 42934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret, ore; 430e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 431e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) 432e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 433e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 434e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev = to_idev(ibdev); 435542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dd = dev->dd; 436e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.device = ibdev; 437e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.element.port_num = port; 438e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 439e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey = pip->mkey; 440e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->gid_prefix = pip->gid_prefix; 441e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period); 442e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 443e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lid = be16_to_cpu(pip->lid); 444542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (dd->ipath_lid != lid || 445542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dd->ipath_lmc != (pip->mkeyprot_resv_lmc & 7)) { 446e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Must be a valid unicast LID address. */ 44727b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) 448e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 449542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_lid(dd, lid, pip->mkeyprot_resv_lmc & 7); 450e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.event = IB_EVENT_LID_CHANGE; 451e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 452e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 453e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 454e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smlid = be16_to_cpu(pip->sm_lid); 455e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smlid != dev->sm_lid) { 456e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Must be a valid unicast LID address. */ 45727b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE) 458e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 459e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->sm_lid = smlid; 460e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.event = IB_EVENT_SM_CHANGE; 461e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 462e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 463e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 464a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* Allow 1x or 4x to be set (see 14.2.6.6). */ 465e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lwe = pip->link_width_enabled; 466a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lwe) { 467a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lwe == 0xFF) 468a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lwe = dd->ipath_link_width_supported; 469a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else if (lwe >= 16 || (lwe & ~dd->ipath_link_width_supported)) 470a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell goto err; 471a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell set_link_width_enabled(dd, lwe); 472a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 473e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 474a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* Allow 2.5 or 5.0 Gbs. */ 475e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lse = pip->linkspeedactive_enabled & 0xF; 476a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lse) { 477a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lse == 15) 478a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lse = dd->ipath_link_speed_supported; 479a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else if (lse >= 8 || (lse & ~dd->ipath_link_speed_supported)) 480a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell goto err; 481a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell set_link_speed_enabled(dd, lse); 482a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 483e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 484e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Set link down default state. */ 485e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (pip->portphysstate_linkdown & 0xF) { 486e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 0: /* NOP */ 487e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 488e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 1: /* SLEEP */ 489542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_linkdowndefaultstate(dd, 1)) 490e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 491e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 492e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 2: /* POLL */ 493542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_linkdowndefaultstate(dd, 0)) 494e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 495e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 496e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 497e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 498e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 499e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 500542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot = pip->mkeyprot_resv_lmc >> 6; 501e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->vl_high_limit = pip->vl_high_limit; 502e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 503e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch ((pip->neighbormtu_mastersmsl >> 4) & 0xF) { 504e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_256: 505e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 256; 506e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 507e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_512: 508e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 512; 509e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 510e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_1024: 511e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 1024; 512e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 513e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_2048: 514e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 2048; 515e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 516e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_4096: 517826d801009fb3c82832f2d92149446cce354bf61Dave Olson if (!ipath_mtu4096) 518826d801009fb3c82832f2d92149446cce354bf61Dave Olson goto err; 519e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 4096; 520e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 521e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 522e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* XXX We have already partially updated our state! */ 523e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 524e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 525542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_mtu(dd, mtu); 526e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 527e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->sm_sl = pip->neighbormtu_mastersmsl & 0xF; 528e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 529e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* We only support VL0 */ 530e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (((pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF) > 1) 531e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 532e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 533e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->mkey_violations == 0) 534e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_violations = 0; 535e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 536e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 537e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Hardware counter can't be reset so snapshot and subtract 538e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * later. 539e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 540e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->pkey_violations == 0) 541542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->z_pkey_violations = ipath_get_cr_errpkey(dd); 542e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 543e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->qkey_violations == 0) 544e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->qkey_violations = 0; 545e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 54634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ore = pip->localphyerrors_overrunerrors; 547542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_phyerrthreshold(dd, (ore >> 4) & 0xF)) 548e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 549e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 550542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_overrunthreshold(dd, (ore & 0xF))) 551e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 552e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 553e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F; 554e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 555e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->clientrereg_resv_subnetto & 0x80) { 556e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan clientrereg = 1; 5576eddb5cb906ac5c9a17a1b76464eadacd88b6c92Roland Dreier event.event = IB_EVENT_CLIENT_REREGISTER; 558e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 559e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 560e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 561e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 562e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Do the port state change now that the other link parameters 563e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * have been set. 564e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Changing the port physical state only makes sense if the link 565e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * is down or is being set to down. 566e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 567e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan state = pip->linkspeed_portstate & 0xF; 568e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = (pip->portphysstate_linkdown >> 4) & 0xF; 569e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP)) 570e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 571e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 572e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 573e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Only state changes of DOWN, ARM, and ACTIVE are valid 574e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * and must be in the correct state to take effect (see 7.2.6). 575e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 576e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (state) { 577e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_NOP: 578e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate == 0) 579e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 580e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 581e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_DOWN: 582e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate == 0) 583140277e9a710202608914b5b731948d2769399bcRalph Campbell lstate = IPATH_IB_LINKDOWN_ONLY; 584e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 1) 585e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN_SLEEP; 586e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 2) 587e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN; 588e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 3) 589e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN_DISABLE; 590e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 591e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 592542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, lstate); 5934330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh if (lstate == IPATH_IB_LINKDOWN_DISABLE) { 5944330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 5954330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh goto done; 5964330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh } 597140277e9a710202608914b5b731948d2769399bcRalph Campbell ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED | 598140277e9a710202608914b5b731948d2769399bcRalph Campbell IPATH_LINKACTIVE, 1000); 599e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 600e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_ARMED: 601542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, IPATH_IB_LINKARM); 602e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 603e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_ACTIVE: 604542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, IPATH_IB_LINKACTIVE); 605e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 606e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 607e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* XXX We have already partially updated our state! */ 608e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 609e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 610e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 611e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port); 612e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 613e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (clientrereg) 614e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->clientrereg_resv_subnetto |= 0x80; 615e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 616e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto done; 617e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 618e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanerr: 619e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 620e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port); 621e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 622e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivandone: 623e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 624e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 625e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 62634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 62734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * rm_pkey - decrecment the reference count for the given PKEY 62834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 62934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @key: the PKEY index 63034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 63134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Return true if this was the last reference and the hardware table entry 63234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * needs to be changed. 63334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 63434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int rm_pkey(struct ipath_devdata *dd, u16 key) 63534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 63634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 63734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret; 63834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 63934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 64034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (dd->ipath_pkeys[i] != key) 64134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 64234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (atomic_dec_and_test(&dd->ipath_pkeyrefs[i])) { 64334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_pkeys[i] = 0; 64434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 1; 64534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 64634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 64734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan break; 64834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 64934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 65134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanbail: 65334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return ret; 65434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 65534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 65734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * add_pkey - add the given PKEY to the hardware table 65834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 65934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @key: the PKEY 66034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 66134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Return an error code if unable to add the entry, zero if no change, 66234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * or 1 if the hardware PKEY register needs to be updated. 66334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 66434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int add_pkey(struct ipath_devdata *dd, u16 key) 66534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 66634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 66734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 lkey = key & 0x7FFF; 66834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int any = 0; 66934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret; 67034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 67134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (lkey == 0x7FFF) { 67234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 67334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 67434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 67534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 67634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* Look for an empty slot or a matching PKEY. */ 67734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 67834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!dd->ipath_pkeys[i]) { 67934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan any++; 68034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 68134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 68234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* If it matches exactly, try to increment the ref count */ 68334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (dd->ipath_pkeys[i] == key) { 68434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (atomic_inc_return(&dd->ipath_pkeyrefs[i]) > 1) { 68534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 68634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 68734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 68834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* Lost the race. Look for an empty slot below. */ 68934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan atomic_dec(&dd->ipath_pkeyrefs[i]); 69034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan any++; 69134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 69234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* 69334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * It makes no sense to have both the limited and unlimited 69434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * PKEY set at the same time since the unlimited one will 69534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * disable the limited one. 69634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 69734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if ((dd->ipath_pkeys[i] & 0x7FFF) == lkey) { 69834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EEXIST; 69934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 70034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!any) { 70334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EBUSY; 70434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 70534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 70734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!dd->ipath_pkeys[i] && 70834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan atomic_inc_return(&dd->ipath_pkeyrefs[i]) == 1) { 70934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* for ipathstats, etc. */ 71034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_stats.sps_pkeys[i] = lkey; 71134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_pkeys[i] = key; 71234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 1; 71334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 71434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 71534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 71634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EBUSY; 71734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 71834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanbail: 71934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return ret; 72034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 72134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 72234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 72334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_pkeys - set the PKEY table for port 0 72434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 72534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @pkeys: the PKEY table 72634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 72734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) 72834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 72934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_portdata *pd; 73034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 73134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int changed = 0; 73234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 73334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pd = dd->ipath_pd[0]; 73434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 73534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(pd->port_pkeys); i++) { 73634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 key = pkeys[i]; 73734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 okey = pd->port_pkeys[i]; 73834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 73934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (key == okey) 74034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 74134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* 74234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * The value of this PKEY table entry is changing. 74334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Remove the old entry in the hardware's array of PKEYs. 74434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 74534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (okey & 0x7FFF) 74634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan changed |= rm_pkey(dd, okey); 74734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (key & 0x7FFF) { 74834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret = add_pkey(dd, key); 74934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 75034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (ret < 0) 75134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan key = 0; 75234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan else 75334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan changed |= ret; 75434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 75534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pd->port_pkeys[i] = key; 75634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 75734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (changed) { 75834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u64 pkey; 75934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 76034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pkey = (u64) dd->ipath_pkeys[0] | 76134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[1] << 16) | 76234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[2] << 32) | 76334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[3] << 48); 76434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_cdbg(VERBOSE, "p0 new pkey reg %llx\n", 76534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (unsigned long long) pkey); 76634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey, 76734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pkey); 76834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 76934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 77034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 77134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 772e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_pkeytable(struct ib_smp *smp, 773e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 774e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 775e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); 776e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 *p = (__be16 *) smp->data; 777e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 *q = (u16 *) smp->data; 778e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 77934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned i, n = ipath_get_npkeys(dev->dd); 780e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 781e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < n; i++) 782e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan q[i] = be16_to_cpu(p[i]); 783e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 78434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (startpx != 0 || set_pkeys(dev->dd, q) != 0) 785e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 786e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 787e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_subn_get_pkeytable(smp, ibdev); 788e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 789e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 790e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_CLASS_PORT_INFO __constant_htons(0x0001) 791e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_PORT_SAMPLES_CONTROL __constant_htons(0x0010) 792e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_PORT_SAMPLES_RESULT __constant_htons(0x0011) 793e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_PORT_COUNTERS __constant_htons(0x0012) 794e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_PORT_COUNTERS_EXT __constant_htons(0x001D) 795e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_PORT_SAMPLES_RESULT_EXT __constant_htons(0x001E) 796e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 797e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_perf { 798e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 base_version; 799e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 mgmt_class; 800e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 class_version; 801e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 method; 802e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 status; 803e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 unused; 804e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 tid; 805e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 attr_id; 806e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 resv; 807e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 attr_mod; 808e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 reserved[40]; 809e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 data[192]; 810e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 811e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 812e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_classportinfo { 813e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 base_version; 814e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 class_version; 815e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 cap_mask; 816e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 reserved[3]; 817e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 resp_time_value; /* only lower 5 bits */ 818e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan union ib_gid redirect_gid; 819e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */ 820e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 redirect_lid; 821e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 redirect_pkey; 822e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 redirect_qp; /* only lower 24 bits */ 823e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 redirect_qkey; 824e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan union ib_gid trap_gid; 825e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */ 826e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 trap_lid; 827e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 trap_pkey; 828e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 trap_hl_qp; /* 8, 24 bits respectively */ 829e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 trap_qkey; 830e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 831e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 832e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_portsamplescontrol { 833e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 opcode; 834e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select; 835e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 tick; 836e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 counter_width; /* only lower 3 bits */ 837e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 counter_mask0_9; /* 2, 10 * 3, bits */ 838e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 counter_mask10_14; /* 1, 5 * 3, bits */ 839e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 sample_mechanisms; 840e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 sample_status; /* only lower 2 bits */ 841e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 option_mask; 842e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 vendor_mask; 843e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 sample_start; 844e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 sample_interval; 845e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 tag; 846e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 counter_select[15]; 847e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 848e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 849e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_portsamplesresult { 850e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 tag; 851e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 sample_status; /* only lower 2 bits */ 852e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 counter[15]; 853e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 854e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 855e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_portsamplesresult_ext { 856e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 tag; 857e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 sample_status; /* only lower 2 bits */ 858e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 extended_width; /* only upper 2 bits */ 859e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 counter[15]; 860e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 861e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 862e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_portcounters { 863e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 reserved; 864e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select; 865e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 counter_select; 866e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 symbol_error_counter; 867e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 link_error_recovery_counter; 868e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 link_downed_counter; 869e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 port_rcv_errors; 870e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 port_rcv_remphys_errors; 871e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 port_rcv_switch_relay_errors; 872e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 port_xmit_discards; 873e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_xmit_constraint_errors; 874e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_rcv_constraint_errors; 875e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 reserved1; 876e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 lli_ebor_errors; /* 4, 4, bits */ 877e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 reserved2; 878e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 vl15_dropped; 879e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 port_xmit_data; 880e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 port_rcv_data; 881e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 port_xmit_packets; 882e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 port_rcv_packets; 883e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 884e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 885e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_SYMBOL_ERROR __constant_htons(0x0001) 886e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_LINK_ERROR_RECOVERY __constant_htons(0x0002) 887e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_LINK_DOWNED __constant_htons(0x0004) 888e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_RCV_ERRORS __constant_htons(0x0008) 889e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS __constant_htons(0x0010) 890e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_XMIT_DISCARDS __constant_htons(0x0040) 891fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS __constant_htons(0x0200) 892fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS __constant_htons(0x0400) 893fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan#define IB_PMA_SEL_PORT_VL15_DROPPED __constant_htons(0x0800) 894e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_XMIT_DATA __constant_htons(0x1000) 895e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_RCV_DATA __constant_htons(0x2000) 896e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_XMIT_PACKETS __constant_htons(0x4000) 897e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SEL_PORT_RCV_PACKETS __constant_htons(0x8000) 898e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 899e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct ib_pma_portcounters_ext { 900e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 reserved; 901e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select; 902e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 counter_select; 903e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 reserved1; 904e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_xmit_data; 905e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_rcv_data; 906e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_xmit_packets; 907e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_rcv_packets; 908e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_unicast_xmit_packets; 909e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_unicast_rcv_packets; 910e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_multicast_xmit_packets; 911e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_multicast_rcv_packets; 912e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 913e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 914e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_XMIT_DATA __constant_htons(0x0001) 915e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_RCV_DATA __constant_htons(0x0002) 916e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_XMIT_PACKETS __constant_htons(0x0004) 917e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_RCV_PACKETS __constant_htons(0x0008) 918e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS __constant_htons(0x0010) 919e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_UNI_RCV_PACKETS __constant_htons(0x0020) 920e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS __constant_htons(0x0040) 921e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS __constant_htons(0x0080) 922e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 923e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_classportinfo(struct ib_perf *pmp) 924e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 925e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_classportinfo *p = 926e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_classportinfo *)pmp->data; 927e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 928e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 929e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 930e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->attr_mod != 0) 931e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_INVALID_FIELD; 932e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 933e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Indicate AllPortSelect is valid (only one port anyway) */ 934e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->cap_mask = __constant_cpu_to_be16(1 << 8); 935e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->base_version = 1; 936e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->class_version = 1; 937e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 938e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Expected response time is 4.096 usec. * 2^18 == 1.073741824 939e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * sec. 940e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 941e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->resp_time_value = 18; 942e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 943e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 944e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 945e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 946e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/* 947e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The PortSamplesControl.CounterMasks field is an array of 3 bit fields 948e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * which specify the N'th counter's capabilities. See ch. 16.1.3.2. 949e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We support 5 counters which only count the mandatory quantities. 950e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 951e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define COUNTER_MASK(q, n) (q << ((9 - n) * 3)) 952e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define COUNTER_MASK0_9 \ 953e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __constant_cpu_to_be32(COUNTER_MASK(1, 0) | \ 954e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan COUNTER_MASK(1, 1) | \ 955e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan COUNTER_MASK(1, 2) | \ 956e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan COUNTER_MASK(1, 3) | \ 957e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan COUNTER_MASK(1, 4)) 958e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 959e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_portsamplescontrol(struct ib_perf *pmp, 960e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 961e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 962e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplescontrol *p = 963e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplescontrol *)pmp->data; 964e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 9656c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 966e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan unsigned long flags; 967e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 968e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 969e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 970e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 971e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 972e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->attr_mod != 0 || 973e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 974e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_INVALID_FIELD; 975e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 976e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Ticks are 10x the link transfer period which for 2.5Gbs is 4 977e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample 978e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * intervals are counted in ticks. Since we use Linux timers, that 979e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * count in jiffies, we can't sample for less than 1000 ticks if HZ 980a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * == 1000 (4000 ticks if HZ is 250). link_speed_active returns 2 for 981a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * DDR, 1 for SDR, set the tick to 1 for DDR, 0 for SDR on chips that 982a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * have hardware support for delaying packets. 983e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 984a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (crp->cr_psstat) 985a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell p->tick = dev->dd->ipath_link_speed_active - 1; 986a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else 987a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell p->tick = 250; /* 1 usec. */ 988e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_width = 4; /* 32 bit counters */ 989e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_mask0_9 = COUNTER_MASK0_9; 990e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan spin_lock_irqsave(&dev->pending_lock, flags); 9916c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 9926c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = ipath_read_creg32(dev->dd, crp->cr_psstat); 9936c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 9946c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = dev->pma_sample_status; 995e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->sample_start = cpu_to_be32(dev->pma_sample_start); 996e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->sample_interval = cpu_to_be32(dev->pma_sample_interval); 997e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 998e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[0] = dev->pma_counter_select[0]; 999e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[1] = dev->pma_counter_select[1]; 1000e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[2] = dev->pma_counter_select[2]; 1001e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[3] = dev->pma_counter_select[3]; 1002e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[4] = dev->pma_counter_select[4]; 1003e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan spin_unlock_irqrestore(&dev->pending_lock, flags); 1004e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1005e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1006e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1007e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1008e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_set_portsamplescontrol(struct ib_perf *pmp, 1009e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1010e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1011e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplescontrol *p = 1012e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplescontrol *)pmp->data; 1013e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 10146c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 1015e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan unsigned long flags; 10166c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 1017e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1018e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1019e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->attr_mod != 0 || 1020e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (p->port_select != port && p->port_select != 0xFF)) { 1021e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_INVALID_FIELD; 1022e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1023e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1024e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1025e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 10266c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell spin_lock_irqsave(&dev->pending_lock, flags); 10276c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 10286c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 10296c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 10306c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 10316c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (status == IB_PMA_SAMPLE_STATUS_DONE) { 10326c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_start = be32_to_cpu(p->sample_start); 10336c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_interval = be32_to_cpu(p->sample_interval); 10346c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_tag = be16_to_cpu(p->tag); 10356c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[0] = p->counter_select[0]; 10366c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[1] = p->counter_select[1]; 10376c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[2] = p->counter_select[2]; 10386c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[3] = p->counter_select[3]; 10396c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[4] = p->counter_select[4]; 10406c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) { 10416c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_write_creg(dev->dd, crp->cr_psinterval, 10426c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_interval); 10436c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_write_creg(dev->dd, crp->cr_psstart, 10446c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_start); 10456c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell } else 10466c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED; 1047e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 10486c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell spin_unlock_irqrestore(&dev->pending_lock, flags); 10496c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell 1050e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port); 1051e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1052e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1053e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1054e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1055e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 10566c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbellstatic u64 get_counter(struct ipath_ibdev *dev, 10576c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp, 10586c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell __be16 sel) 1059e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1060e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 ret; 1061e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1062e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (sel) { 1063e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_DATA: 10646c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitdatacount) ? 10656c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitdatacount) : 10666c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_sword; 1067e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 1068e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_RCV_DATA: 10696c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psrcvdatacount) ? 10706c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psrcvdatacount) : 10716c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_rword; 1072e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 1073e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_PKTS: 10746c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitpktscount) ? 10756c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitpktscount) : 10766c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_spkts; 1077e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 1078e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_RCV_PKTS: 10796c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psrcvpktscount) ? 10806c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psrcvpktscount) : 10816c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_rpkts; 1082e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 1083e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_WAIT: 10846c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitwaitcount) ? 10856c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitwaitcount) : 10866c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_xmit_wait; 1087e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 1088e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1089e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = 0; 1090e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1091e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1092e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1093e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1094e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1095e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_portsamplesresult(struct ib_perf *pmp, 1096e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 1097e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1098e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplesresult *p = 1099e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplesresult *)pmp->data; 1100e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 11016c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 11026c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 1103e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int i; 1104e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1105e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1106e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 11076c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 11086c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 11096c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 11106c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 11116c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = cpu_to_be16(status); 1112e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) 11136c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : 11146c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cpu_to_be32( 11156c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell get_counter(dev, crp, dev->pma_counter_select[i])); 1116e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1117e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1118e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1119e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1120e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp, 1121e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 1122e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1123e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplesresult_ext *p = 1124e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplesresult_ext *)pmp->data; 1125e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 11266c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 11276c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 1128e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int i; 1129e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1130e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1131e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 11326c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 11336c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 11346c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 11356c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 11366c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = cpu_to_be16(status); 1137e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 64 bits */ 1138e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->extended_width = __constant_cpu_to_be32(0x80000000); 1139e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) 11406c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : 11416c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cpu_to_be64( 11426c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell get_counter(dev, crp, dev->pma_counter_select[i])); 1143e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1144e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1145e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1146e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1147e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_portcounters(struct ib_perf *pmp, 1148e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1149e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1150e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1151e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1152e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 115334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_verbs_counters cntrs; 1154e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 1155e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 115634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_get_counters(dev->dd, &cntrs); 1157e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1158e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Adjust counters for any resets done. */ 1159443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.symbol_error_counter -= dev->z_symbol_error_counter; 1160e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.link_error_recovery_counter -= 1161443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_error_recovery_counter; 1162443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.link_downed_counter -= dev->z_link_downed_counter; 1163e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_errors += dev->rcv_errors; 1164443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_errors -= dev->z_port_rcv_errors; 1165443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors; 1166443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_discards -= dev->z_port_xmit_discards; 1167443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_data -= dev->z_port_xmit_data; 1168443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_data -= dev->z_port_rcv_data; 1169443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_packets -= dev->z_port_xmit_packets; 1170443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_packets -= dev->z_port_rcv_packets; 1171fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors -= 1172fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_local_link_integrity_errors; 1173fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors -= 1174fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_excessive_buffer_overrun_errors; 11756c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cntrs.vl15_dropped -= dev->z_vl15_dropped; 11766c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cntrs.vl15_dropped += dev->n_vl15_dropped; 1177e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1178e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1179e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1180e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 1181e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->attr_mod != 0 || 1182e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 1183e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_INVALID_FIELD; 1184e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1185e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.symbol_error_counter > 0xFFFFUL) 1186e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->symbol_error_counter = __constant_cpu_to_be16(0xFFFF); 1187e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1188e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->symbol_error_counter = 1189e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.symbol_error_counter); 1190e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.link_error_recovery_counter > 0xFFUL) 1191e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_error_recovery_counter = 0xFF; 1192e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1193e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_error_recovery_counter = 1194e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (u8)cntrs.link_error_recovery_counter; 1195e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.link_downed_counter > 0xFFUL) 1196e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_downed_counter = 0xFF; 1197e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1198e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_downed_counter = (u8)cntrs.link_downed_counter; 1199e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_errors > 0xFFFFUL) 1200e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_errors = __constant_cpu_to_be16(0xFFFF); 1201e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1202e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_errors = 1203e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16) cntrs.port_rcv_errors); 1204e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) 1205e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_remphys_errors = __constant_cpu_to_be16(0xFFFF); 1206e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1207e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_remphys_errors = 1208e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.port_rcv_remphys_errors); 1209e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_discards > 0xFFFFUL) 1210e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_discards = __constant_cpu_to_be16(0xFFFF); 1211e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1212e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_discards = 1213e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.port_xmit_discards); 1214fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (cntrs.local_link_integrity_errors > 0xFUL) 1215fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors = 0xFUL; 1216fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (cntrs.excessive_buffer_overrun_errors > 0xFUL) 1217fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors = 0xFUL; 1218fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) | 1219fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors; 12206c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (cntrs.vl15_dropped > 0xFFFFUL) 1221fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan p->vl15_dropped = __constant_cpu_to_be16(0xFFFF); 1222fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan else 12236c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped); 1224e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_data > 0xFFFFFFFFUL) 1225e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF); 1226e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1227e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data); 1228e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_data > 0xFFFFFFFFUL) 1229e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_data = __constant_cpu_to_be32(0xFFFFFFFF); 1230e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1231e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data); 1232e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_packets > 0xFFFFFFFFUL) 1233e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_packets = __constant_cpu_to_be32(0xFFFFFFFF); 1234e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1235e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_packets = 1236e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be32((u32)cntrs.port_xmit_packets); 1237e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_packets > 0xFFFFFFFFUL) 1238e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_packets = __constant_cpu_to_be32(0xFFFFFFFF); 1239e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1240e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_packets = 1241e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be32((u32) cntrs.port_rcv_packets); 1242e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1243e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1244e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1245e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1246e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_get_portcounters_ext(struct ib_perf *pmp, 1247e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1248e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1249e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters_ext *p = 1250e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portcounters_ext *)pmp->data; 1251e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1252e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 swords, rwords, spkts, rpkts, xwait; 1253e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 1254e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 125534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, 125634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan &rpkts, &xwait); 1257e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1258e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Adjust counters for any resets done. */ 1259443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan swords -= dev->z_port_xmit_data; 1260443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan rwords -= dev->z_port_rcv_data; 1261443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan spkts -= dev->z_port_xmit_packets; 1262443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan rpkts -= dev->z_port_rcv_packets; 1263e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1264e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1265e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1266e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 1267e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->attr_mod != 0 || 1268e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 1269e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_INVALID_FIELD; 1270e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1271e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_data = cpu_to_be64(swords); 1272e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_data = cpu_to_be64(rwords); 1273e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_packets = cpu_to_be64(spkts); 1274e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_packets = cpu_to_be64(rpkts); 1275e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_unicast_xmit_packets = cpu_to_be64(dev->n_unicast_xmit); 1276e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_unicast_rcv_packets = cpu_to_be64(dev->n_unicast_rcv); 1277e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_multicast_xmit_packets = cpu_to_be64(dev->n_multicast_xmit); 1278e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_multicast_rcv_packets = cpu_to_be64(dev->n_multicast_rcv); 1279e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1280e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1281e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1282e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1283e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_set_portcounters(struct ib_perf *pmp, 1284e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1285e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1286e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1287e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1288e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 128934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_verbs_counters cntrs; 1290e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1291e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1292e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Since the HW doesn't support clearing counters, we save the 1293e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * current count and subtract it from future responses. 1294e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 129534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_get_counters(dev->dd, &cntrs); 1296e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1297e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR) 1298443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_symbol_error_counter = cntrs.symbol_error_counter; 1299e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1300e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY) 1301443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_error_recovery_counter = 1302e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.link_error_recovery_counter; 1303e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1304e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LINK_DOWNED) 1305443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_downed_counter = cntrs.link_downed_counter; 1306e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1307e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS) 1308443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_errors = 1309e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_errors + dev->rcv_errors; 1310e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1311e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS) 1312443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_remphys_errors = 1313e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_remphys_errors; 1314e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1315e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS) 1316443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_discards = cntrs.port_xmit_discards; 1317e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1318fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS) 1319fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_local_link_integrity_errors = 1320fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors; 1321fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 1322fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS) 1323fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_excessive_buffer_overrun_errors = 1324fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors; 1325fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 13266c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) { 1327fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->n_vl15_dropped = 0; 13286c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->z_vl15_dropped = cntrs.vl15_dropped; 13296c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell } 1330fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 1331e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA) 1332443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_data = cntrs.port_xmit_data; 1333e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1334e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA) 1335443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_data = cntrs.port_rcv_data; 1336e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1337e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS) 1338443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_packets = cntrs.port_xmit_packets; 1339e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1340e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS) 1341443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_packets = cntrs.port_rcv_packets; 1342e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1343e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_pma_get_portcounters(pmp, ibdev, port); 1344e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1345e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1346e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_pma_set_portcounters_ext(struct ib_perf *pmp, 1347e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1348e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1349e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1350e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1351e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1352e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 swords, rwords, spkts, rpkts, xwait; 1353e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 135434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, 135534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan &rpkts, &xwait); 1356e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1357e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA) 1358443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_data = swords; 1359e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1360e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA) 1361443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_data = rwords; 1362e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1363e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS) 1364443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_packets = spkts; 1365e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1366e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS) 1367443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_packets = rpkts; 1368e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1369e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS) 1370e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_unicast_xmit = 0; 1371e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1372e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS) 1373e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_unicast_rcv = 0; 1374e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1375e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS) 1376e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_multicast_xmit = 0; 1377e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1378e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS) 1379e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_multicast_rcv = 0; 1380e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1381e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_pma_get_portcounters_ext(pmp, ibdev, port); 1382e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1383e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1384e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int process_subn(struct ib_device *ibdev, int mad_flags, 1385e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_num, struct ib_mad *in_mad, 1386e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *out_mad) 1387e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1388e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_smp *smp = (struct ib_smp *)out_mad; 1389e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1390e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1391e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1392e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan *out_mad = *in_mad; 1393e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->class_version != 1) { 1394e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_VERSION; 1395e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1396e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1397e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1398e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1399e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Is the mkey in the process of expiring? */ 1400b3b8128fd3b0966830ee90f1162173d07cb496a0Robert P. J. Day if (dev->mkey_lease_timeout && 1401b3b8128fd3b0966830ee90f1162173d07cb496a0Robert P. J. Day time_after_eq(jiffies, dev->mkey_lease_timeout)) { 1402e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Clear timeout and mkey protection field. */ 1403e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = 0; 1404542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot = 0; 1405e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1406e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1407e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1408e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * M_Key checking depends on 1409e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Portinfo:M_Key_protect_bits 1410e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1411e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && dev->mkey != 0 && 1412e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey != smp->mkey && 1413e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (smp->method == IB_MGMT_METHOD_SET || 1414e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (smp->method == IB_MGMT_METHOD_GET && 1415542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot >= 2))) { 1416e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->mkey_violations != 0xFFFF) 1417e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ++dev->mkey_violations; 1418e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->mkey_lease_timeout || 1419e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period == 0) { 1420e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1421e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1422e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1423e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1424e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = jiffies + 1425e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period * HZ; 1426e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Future: Generate a trap notice. */ 1427e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 1428e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1429e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } else if (dev->mkey_lease_timeout) 1430e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = 0; 1431e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1432e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->method) { 1433e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET: 1434e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->attr_id) { 1435e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_NODE_DESC: 1436e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_nodedescription(smp, ibdev); 1437e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1438e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_NODE_INFO: 1439e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_nodeinfo(smp, ibdev, port_num); 1440e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1441e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_GUID_INFO: 1442e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_guidinfo(smp, ibdev); 1443e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1444e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PORT_INFO: 1445e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port_num); 1446e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1447e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PKEY_TABLE: 1448e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_pkeytable(smp, ibdev); 1449e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1450e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_SM_INFO: 1451e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { 1452e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1453e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1454e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1455e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1456e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM) { 1457e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1458e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1459e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1460e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 1461e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1462e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METH_ATTR; 1463e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1464e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1465e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1466e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1467e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_SET: 1468e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->attr_id) { 1469e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_GUID_INFO: 1470e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_guidinfo(smp, ibdev); 1471e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1472e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PORT_INFO: 1473e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_portinfo(smp, ibdev, port_num); 1474e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1475e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PKEY_TABLE: 1476e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_pkeytable(smp, ibdev); 1477e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1478e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_SM_INFO: 1479e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { 1480e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1481e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1482e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1483e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1484e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM) { 1485e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1486e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1487e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1488e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 1489e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1490e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METH_ATTR; 1491e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1492e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1493e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1494e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1495e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET_RESP: 1496e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1497e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The ib_mad module will call us to process responses 1498e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * before checking for other consumers. 1499e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Just tell the caller to process it normally. 1500e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1501f9b403532235520ec248c024f621efcaf6ba7b93Ralph Campbell ret = IB_MAD_RESULT_SUCCESS; 1502e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1503e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1504e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METHOD; 1505e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1506e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1507e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1508e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1509e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1510e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1511e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1512e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int process_perf(struct ib_device *ibdev, u8 port_num, 1513e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *in_mad, 1514e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *out_mad) 1515e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1516e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_perf *pmp = (struct ib_perf *)out_mad; 1517e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1518e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1519e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan *out_mad = *in_mad; 1520e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pmp->class_version != 1) { 1521e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_UNSUP_VERSION; 1522e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1523e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1524e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1525e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1526e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (pmp->method) { 1527e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET: 1528e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (pmp->attr_id) { 1529e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_CLASS_PORT_INFO: 1530e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_classportinfo(pmp); 1531e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1532e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_CONTROL: 1533e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplescontrol(pmp, ibdev, 1534e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1535e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1536e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_RESULT: 1537e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplesresult(pmp, ibdev); 1538e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1539e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_RESULT_EXT: 1540e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplesresult_ext(pmp, 1541e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ibdev); 1542e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1543e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS: 1544e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portcounters(pmp, ibdev, 1545e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1546e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1547e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS_EXT: 1548e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portcounters_ext(pmp, ibdev, 1549e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1550e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1551e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1552e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_UNSUP_METH_ATTR; 1553e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1554e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1555e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1556e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1557e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_SET: 1558e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (pmp->attr_id) { 1559e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_CONTROL: 1560e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portsamplescontrol(pmp, ibdev, 1561e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1562e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1563e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS: 1564e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portcounters(pmp, ibdev, 1565e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1566e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1567e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS_EXT: 1568e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portcounters_ext(pmp, ibdev, 1569e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1570e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1571e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1572e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_UNSUP_METH_ATTR; 1573e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1574e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1575e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1576e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1577e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET_RESP: 1578e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1579e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The ib_mad module will call us to process responses 1580e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * before checking for other consumers. 1581e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Just tell the caller to process it normally. 1582e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1583f9b403532235520ec248c024f621efcaf6ba7b93Ralph Campbell ret = IB_MAD_RESULT_SUCCESS; 1584e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1585e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1586e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->status |= IB_SMP_UNSUP_METHOD; 1587e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1588e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1589e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1590e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1591e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1592e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1593e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1594e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/** 1595e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * ipath_process_mad - process an incoming MAD packet 1596e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @ibdev: the infiniband device this packet came in on 1597e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @mad_flags: MAD flags 1598e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @port_num: the port number this packet came in on 1599e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_wc: the work completion entry for this packet 1600e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_grh: the global route header for this packet 1601e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_mad: the incoming MAD 1602e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @out_mad: any outgoing MAD reply 1603e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1604e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not 1605e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * interested in processing. 1606e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1607e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Note that the verbs framework has already done the MAD sanity checks, 1608e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 1609e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * MADs. 1610e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1611e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * This is called by the ib_mad module. 1612e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1613e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanint ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 1614e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_wc *in_wc, struct ib_grh *in_grh, 1615e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *in_mad, struct ib_mad *out_mad) 1616e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1617e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1618e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1619e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (in_mad->mad_hdr.mgmt_class) { 1620e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: 1621e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_SUBN_LID_ROUTED: 1622e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = process_subn(ibdev, mad_flags, port_num, 1623e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan in_mad, out_mad); 1624e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1625e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_PERF_MGMT: 1626e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = process_perf(ibdev, port_num, in_mad, out_mad); 1627e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1628e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1629e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1630e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1631e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1632e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1633e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1634e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1635