1e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/* 2e7eacd36865ae0707f5efae8e4dda421ffcd1b66Ralph Campbell * Copyright (c) 2006, 2007, 2008 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> 356aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz#include <rdma/ib_pma.h> 36e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 37e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#include "ipath_kernel.h" 38e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#include "ipath_verbs.h" 3927b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan#include "ipath_common.h" 40e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 419c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison#define IB_SMP_UNSUP_VERSION cpu_to_be16(0x0004) 429c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison#define IB_SMP_UNSUP_METHOD cpu_to_be16(0x0008) 439c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison#define IB_SMP_UNSUP_METH_ATTR cpu_to_be16(0x000C) 449c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison#define IB_SMP_INVALID_FIELD cpu_to_be16(0x001C) 45e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 46e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int reply(struct ib_smp *smp) 47e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 48e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 49e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The verbs framework will handle the directed/LID route 50e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * packet changes. 51e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 52e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->method = IB_MGMT_METHOD_GET_RESP; 53e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 54e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_DIRECTION; 55e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 56e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 57e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 58e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_nodedescription(struct ib_smp *smp, 59e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 60e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 61e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->attr_mod) 62e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 63e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 64286b63d09660de0fbd0d7748984d7ae491c7fdb6Roel Kluin memcpy(smp->data, ibdev->node_desc, sizeof(smp->data)); 65e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 66e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 67e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 68e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 69e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstruct nodeinfo { 70e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 base_version; 71e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 class_version; 72e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 node_type; 73e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 num_ports; 74e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 sys_guid; 75e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 node_guid; 76e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 port_guid; 77e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 partition_cap; 78e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 device_id; 79e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be32 revision; 80e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 local_port_num; 81e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 vendor_id[3]; 82e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} __attribute__ ((packed)); 83e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 84e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_nodeinfo(struct ib_smp *smp, 85e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 86e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 87e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct nodeinfo *nip = (struct nodeinfo *)&smp->data; 88e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_devdata *dd = to_idev(ibdev)->dd; 89e8a88f09f21c55a7e7f570290ecde570e2c37771Bryan O'Sullivan u32 vendor, majrev, minrev; 90e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 9111b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* GUID 0 is illegal */ 9211b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (smp->attr_mod || (dd->ipath_guid == 0)) 93e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 94e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 95e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->base_version = 1; 96e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->class_version = 1; 97e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->node_type = 1; /* channel adapter */ 98e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 99e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * XXX The num_ports value will need a layer function to get 100e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * the value if we ever have more than one IB port on a chip. 101e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We will also need to get the GUID for the port. 102e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 103e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->num_ports = ibdev->phys_port_cnt; 104e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* This is already in network order */ 105e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->sys_guid = to_idev(ibdev)->sys_image_guid; 10634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->node_guid = dd->ipath_guid; 107f41d229865c984015914221959675b1c8723f6a7Sean Hefty nip->port_guid = dd->ipath_guid; 10834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd)); 10934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan nip->device_id = cpu_to_be16(dd->ipath_deviceid); 11034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan majrev = dd->ipath_majrev; 11134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan minrev = dd->ipath_minrev; 112e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->revision = cpu_to_be32((majrev << 16) | minrev); 113e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan nip->local_port_num = port; 11434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan vendor = dd->ipath_vendorid; 115df8666198dd058b9498ebdbc52c61957206d30a5Ralph Campbell nip->vendor_id[0] = IPATH_SRC_OUI_1; 116df8666198dd058b9498ebdbc52c61957206d30a5Ralph Campbell nip->vendor_id[1] = IPATH_SRC_OUI_2; 117df8666198dd058b9498ebdbc52c61957206d30a5Ralph Campbell nip->vendor_id[2] = IPATH_SRC_OUI_3; 118e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 119e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 120e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 121e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 122e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_guidinfo(struct ib_smp *smp, 123e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 124e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 125e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startgx = 8 * be32_to_cpu(smp->attr_mod); 126e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be64 *p = (__be64 *) smp->data; 127e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 128e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 32 blocks of 8 64-bit GUIDs per block */ 129e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 130e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 131e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 132e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 133e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We only support one GUID for now. If this changes, the 134e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * portinfo.guid_cap field needs to be updated too. 135e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 13611b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (startgx == 0) { 13711b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan __be64 g = to_idev(ibdev)->dd->ipath_guid; 13811b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan if (g == 0) 13911b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* GUID 0 is illegal */ 14011b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 14111b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan else 14211b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan /* The first is a copy of the read-only HW GUID. */ 14311b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan *p = g; 14411b054fe1d453954449a86de178bb98274bb86efBryan O'Sullivan } else 145e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 146e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 147e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 148e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 149e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 150a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbellstatic void set_link_width_enabled(struct ipath_devdata *dd, u32 w) 151a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell{ 152a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, w); 153a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell} 154a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 155a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbellstatic void set_link_speed_enabled(struct ipath_devdata *dd, u32 s) 156a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell{ 157a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, s); 158a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell} 15934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 16034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_overrunthreshold(struct ipath_devdata *dd) 16134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 16234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return (dd->ipath_ibcctrl >> 16334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & 16434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; 16534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 16634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 16734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 16834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_overrunthreshold - set the overrun threshold 16934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 17034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @n: the new threshold 17134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 17234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 17334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 17434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_overrunthreshold(struct ipath_devdata *dd, unsigned n) 17534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 17634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned v; 17734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 17834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & 17934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; 18034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (v != n) { 18134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= 18234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ~(INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK << 18334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT); 18434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= 18534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (u64) n << INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT; 18634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 18734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 18834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 18934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 19034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 19134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 19234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_phyerrthreshold(struct ipath_devdata *dd) 19334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 19434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return (dd->ipath_ibcctrl >> 19534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & 19634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; 19734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 19834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 19934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 20034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_phyerrthreshold - set the physical error threshold 20134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 20234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @n: the new threshold 20334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 20434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 20534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 20634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n) 20734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 20834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned v; 20934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 21034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & 21134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; 21234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (v != n) { 21334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= 21434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK << 21534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT); 21634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= 21734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT; 21834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 21934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 22034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 22134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 22234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 22334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 22434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 22534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * get_linkdowndefaultstate - get the default linkdown state 22634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 22734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 22834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Returns zero if the default is POLL, 1 if the default is SLEEP. 22934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 23034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_linkdowndefaultstate(struct ipath_devdata *dd) 23134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 23234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE); 23334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 23434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 235e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_portinfo(struct ib_smp *smp, 236e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 237e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 238e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev; 239a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell struct ipath_devdata *dd; 240da2ab62ab5e430e6ffafc2d0e6046dcd2780f570Leonid Arsh struct ib_port_info *pip = (struct ib_port_info *)smp->data; 241e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lid; 242e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 ibcstat; 243e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 mtu; 244e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 245e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 246e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) { 247e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 248e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 249e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 250e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 251e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 252e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev = to_idev(ibdev); 253a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell dd = dev->dd; 254e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 255e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Clear all fields. Only set the non-zero fields. */ 256e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 257e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 258e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Only return the mkey if the protection field allows it. */ 259e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->method == IB_MGMT_METHOD_SET || dev->mkey == smp->mkey || 260542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot == 0) 261e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey = dev->mkey; 262e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->gid_prefix = dev->gid_prefix; 263a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lid = dd->ipath_lid; 264e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE; 265e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->sm_lid = cpu_to_be16(dev->sm_lid); 266e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->cap_mask = cpu_to_be32(dev->port_cap_flags); 267e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->diag_code; */ 268e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period); 269e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->local_port_num = port; 270a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_enabled = dd->ipath_link_width_enabled; 271a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_supported = dd->ipath_link_width_supported; 272a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_width_active = dd->ipath_link_width_active; 273a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeed_portstate = dd->ipath_link_speed_supported << 4; 274a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell ibcstat = dd->ipath_lastibcstat; 275a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* map LinkState to IB portinfo values. */ 276a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeed_portstate |= ipath_ib_linkstate(dd, ibcstat) + 1; 277a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 278e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->portphysstate_linkdown = 279a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (ipath_cvt_physportstate[ibcstat & dd->ibcs_lts_mask] << 4) | 280a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (get_linkdowndefaultstate(dd) ? 1 : 2); 281a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->mkeyprot_resv_lmc = (dev->mkeyprot << 6) | dd->ipath_lmc; 282a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->linkspeedactive_enabled = (dd->ipath_link_speed_active << 4) | 283a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell dd->ipath_link_speed_enabled; 284a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell switch (dd->ipath_ibmtu) { 285e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 4096: 286e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_4096; 287e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 288e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 2048: 289e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_2048; 290e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 291e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 1024: 292e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_1024; 293e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 294e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 512: 295e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_512; 296e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 297e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 256: 298e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_256; 299e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 300e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: /* oops, something is wrong */ 301e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = IB_MTU_2048; 302e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 303e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 304e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->neighbormtu_mastersmsl = (mtu << 4) | dev->sm_sl; 305e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->vlcap_inittype = 0x10; /* VLCap = VL0, InitType = 0 */ 306e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->vl_high_limit = dev->vl_high_limit; 307e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vl_arb_high_cap; // only one VL */ 308e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vl_arb_low_cap; // only one VL */ 309e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* InitTypeReply = 0 */ 310826d801009fb3c82832f2d92149446cce354bf61Dave Olson /* our mtu cap depends on whether 4K MTU enabled or not */ 311826d801009fb3c82832f2d92149446cce354bf61Dave Olson pip->inittypereply_mtucap = ipath_mtu4096 ? IB_MTU_4096 : IB_MTU_2048; 312826d801009fb3c82832f2d92149446cce354bf61Dave Olson /* HCAs ignore VLStallCount and HOQLife */ 313e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->vlstallcnt_hoqlife; */ 314e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */ 315e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->mkey_violations = cpu_to_be16(dev->mkey_violations); 316e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* P_KeyViolations are counted by hardware. */ 317e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->pkey_violations = 318a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell cpu_to_be16((ipath_get_cr_errpkey(dd) - 319443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_pkey_violations) & 0xFFFF); 320e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->qkey_violations = cpu_to_be16(dev->qkey_violations); 321e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Only the hardware GUID is supported for now */ 322e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->guid_cap = 1; 323e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->clientrereg_resv_subnetto = dev->subnet_timeout; 324e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 32.768 usec. response time (guessing) */ 325e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->resv_resptimevalue = 3; 326e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->localphyerrors_overrunerrors = 327a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell (get_phyerrthreshold(dd) << 4) | 328a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell get_overrunthreshold(dd); 329e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* pip->max_credit_hint; */ 330a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (dev->port_cap_flags & IB_PORT_LINK_LATENCY_SUP) { 331a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell u32 v; 332a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell 333a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell v = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LINKLATENCY); 334a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[0] = v >> 16; 335a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[1] = v >> 8; 336a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell pip->link_roundtrip_latency[2] = v; 337a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 338e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 339e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 340e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 341e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 342e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 343e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 344e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 34534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 34634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * get_pkeys - return the PKEY table for port 0 34734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 34834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @pkeys: the pkey table is placed here 34934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 35034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int get_pkeys(struct ipath_devdata *dd, u16 * pkeys) 35134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 3523d0890985ac4dff781b7feba19fedda547314749Dave Olson /* always a kernel port, no locking needed */ 35334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_portdata *pd = dd->ipath_pd[0]; 35434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 35534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan memcpy(pkeys, pd->port_pkeys, sizeof(pd->port_pkeys)); 35634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 35734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 35834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 35934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 360e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_get_pkeytable(struct ib_smp *smp, 361e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 362e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 363e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); 364e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 *p = (u16 *) smp->data; 365e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 *q = (__be16 *) smp->data; 366e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 367e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 64 blocks of 32 16-bit P_Key entries */ 368e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 369e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(smp->data, 0, sizeof(smp->data)); 370e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (startpx == 0) { 371e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 37234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned i, n = ipath_get_npkeys(dev->dd); 373e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 37434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan get_pkeys(dev->dd, p); 375e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 376e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < n; i++) 377e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan q[i] = cpu_to_be16(p[i]); 378e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } else 379e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 380e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 381e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply(smp); 382e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 383e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 384e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_guidinfo(struct ib_smp *smp, 385e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 386e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 387e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* The only GUID we support is the first read-only entry. */ 388e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_subn_get_guidinfo(smp, ibdev); 389e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 390e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 391e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/** 39234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_linkdowndefaultstate - set the default linkdown state 39334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 39434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @sleep: the new state 39534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 39634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Note that this will only take effect when the link state changes. 39734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 39834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_linkdowndefaultstate(struct ipath_devdata *dd, int sleep) 39934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 40034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (sleep) 40134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl |= INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; 40234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan else 40334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; 40434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, 40534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_ibcctrl); 40634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 40734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 40834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 40934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 410e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * recv_subn_set_portinfo - set port information 411e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @smp: the incoming SM packet 412e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @ibdev: the infiniband device 413e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @port: the port on the device 414e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 415e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Set Portinfo (see ch. 14.2.5.6). 416e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 417e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_portinfo(struct ib_smp *smp, 418e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 419e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 420da2ab62ab5e430e6ffafc2d0e6046dcd2780f570Leonid Arsh struct ib_port_info *pip = (struct ib_port_info *)smp->data; 421e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_event event; 422e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev; 423542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell struct ipath_devdata *dd; 424e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan char clientrereg = 0; 425e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lid, smlid; 426e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 lwe; 427e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 lse; 428e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 state; 429e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 lstate; 430e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 mtu; 43134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret, ore; 432e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 433e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) 434e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 435e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 436e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev = to_idev(ibdev); 437542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dd = dev->dd; 438e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.device = ibdev; 439e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.element.port_num = port; 440e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 441e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey = pip->mkey; 442e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->gid_prefix = pip->gid_prefix; 443e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period); 444e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 445e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lid = be16_to_cpu(pip->lid); 446542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (dd->ipath_lid != lid || 447542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dd->ipath_lmc != (pip->mkeyprot_resv_lmc & 7)) { 448e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Must be a valid unicast LID address. */ 44927b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) 450e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 451542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_lid(dd, lid, pip->mkeyprot_resv_lmc & 7); 452e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.event = IB_EVENT_LID_CHANGE; 453e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 454e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 455e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 456e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smlid = be16_to_cpu(pip->sm_lid); 457e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smlid != dev->sm_lid) { 458e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Must be a valid unicast LID address. */ 45927b678dd04a636f2c351816f4b3042c8815d4e9dBryan O'Sullivan if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE) 460e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 461e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->sm_lid = smlid; 462e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan event.event = IB_EVENT_SM_CHANGE; 463e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 464e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 465e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 466a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* Allow 1x or 4x to be set (see 14.2.6.6). */ 467e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lwe = pip->link_width_enabled; 468a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lwe) { 469a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lwe == 0xFF) 470a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lwe = dd->ipath_link_width_supported; 471a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else if (lwe >= 16 || (lwe & ~dd->ipath_link_width_supported)) 472a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell goto err; 473a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell set_link_width_enabled(dd, lwe); 474a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 475e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 476a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell /* Allow 2.5 or 5.0 Gbs. */ 477e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lse = pip->linkspeedactive_enabled & 0xF; 478a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lse) { 479a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (lse == 15) 480a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell lse = dd->ipath_link_speed_supported; 481a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else if (lse >= 8 || (lse & ~dd->ipath_link_speed_supported)) 482a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell goto err; 483a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell set_link_speed_enabled(dd, lse); 484a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell } 485e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 486e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Set link down default state. */ 487e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (pip->portphysstate_linkdown & 0xF) { 488e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 0: /* NOP */ 489e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 490e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 1: /* SLEEP */ 491542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_linkdowndefaultstate(dd, 1)) 492e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 493e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 494e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case 2: /* POLL */ 495542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_linkdowndefaultstate(dd, 0)) 496e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 497e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 498e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 499e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 500e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 501e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 502542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot = pip->mkeyprot_resv_lmc >> 6; 503e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->vl_high_limit = pip->vl_high_limit; 504e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 505e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch ((pip->neighbormtu_mastersmsl >> 4) & 0xF) { 506e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_256: 507e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 256; 508e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 509e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_512: 510e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 512; 511e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 512e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_1024: 513e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 1024; 514e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 515e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_2048: 516e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 2048; 517e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 518e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MTU_4096: 519826d801009fb3c82832f2d92149446cce354bf61Dave Olson if (!ipath_mtu4096) 520826d801009fb3c82832f2d92149446cce354bf61Dave Olson goto err; 521e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan mtu = 4096; 522e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 523e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 524e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* XXX We have already partially updated our state! */ 525e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 526e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 527542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_mtu(dd, mtu); 528e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 529e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->sm_sl = pip->neighbormtu_mastersmsl & 0xF; 530e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 531e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* We only support VL0 */ 532e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (((pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF) > 1) 533e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 534e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 535e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->mkey_violations == 0) 536e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_violations = 0; 537e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 538e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 539e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Hardware counter can't be reset so snapshot and subtract 540e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * later. 541e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 542e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->pkey_violations == 0) 543542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->z_pkey_violations = ipath_get_cr_errpkey(dd); 544e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 545e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->qkey_violations == 0) 546e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->qkey_violations = 0; 547e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 54834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ore = pip->localphyerrors_overrunerrors; 549542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_phyerrthreshold(dd, (ore >> 4) & 0xF)) 550e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 551e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 552542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell if (set_overrunthreshold(dd, (ore & 0xF))) 553e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 554e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 555e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F; 556e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 557e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (pip->clientrereg_resv_subnetto & 0x80) { 558e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan clientrereg = 1; 5596eddb5cb906ac5c9a17a1b76464eadacd88b6c92Roland Dreier event.event = IB_EVENT_CLIENT_REREGISTER; 560e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ib_dispatch_event(&event); 561e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 562e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 563e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 564e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Do the port state change now that the other link parameters 565e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * have been set. 566e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Changing the port physical state only makes sense if the link 567e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * is down or is being set to down. 568e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 569e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan state = pip->linkspeed_portstate & 0xF; 570e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = (pip->portphysstate_linkdown >> 4) & 0xF; 571e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP)) 572e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 573e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 574e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 575e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Only state changes of DOWN, ARM, and ACTIVE are valid 576e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * and must be in the correct state to take effect (see 7.2.6). 577e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 578e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (state) { 579e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_NOP: 580e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate == 0) 581e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 582e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 583e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_DOWN: 584e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (lstate == 0) 585140277e9a710202608914b5b731948d2769399bcRalph Campbell lstate = IPATH_IB_LINKDOWN_ONLY; 586e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 1) 587e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN_SLEEP; 588e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 2) 589e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN; 590e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else if (lstate == 3) 591e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan lstate = IPATH_IB_LINKDOWN_DISABLE; 592e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 593e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 594542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, lstate); 5954330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh if (lstate == IPATH_IB_LINKDOWN_DISABLE) { 5964330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 5974330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh goto done; 5984330e4dad780467d930b394b5119c0218a1e2dbeMichael Albaugh } 599140277e9a710202608914b5b731948d2769399bcRalph Campbell ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED | 600140277e9a710202608914b5b731948d2769399bcRalph Campbell IPATH_LINKACTIVE, 1000); 601e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 602e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_ARMED: 603542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, IPATH_IB_LINKARM); 604e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 605e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PORT_ACTIVE: 606542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell ipath_set_linkstate(dd, IPATH_IB_LINKACTIVE); 607e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 608e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 609e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* XXX We have already partially updated our state! */ 610e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto err; 611e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 612e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 613e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port); 614e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 615e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (clientrereg) 616e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pip->clientrereg_resv_subnetto |= 0x80; 617e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 618e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto done; 619e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 620e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanerr: 621e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 622e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port); 623e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 624e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivandone: 625e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 626e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 627e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 62834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 62934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * rm_pkey - decrecment the reference count for the given PKEY 63034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 63134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @key: the PKEY index 63234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 63334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Return true if this was the last reference and the hardware table entry 63434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * needs to be changed. 63534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 63634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int rm_pkey(struct ipath_devdata *dd, u16 key) 63734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 63834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 63934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret; 64034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 64134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 64234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (dd->ipath_pkeys[i] != key) 64334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 64434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (atomic_dec_and_test(&dd->ipath_pkeyrefs[i])) { 64534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_pkeys[i] = 0; 64634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 1; 64734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 64834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 64934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan break; 65034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 65134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 65334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanbail: 65534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return ret; 65634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 65734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 65834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 65934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * add_pkey - add the given PKEY to the hardware table 66034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 66134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @key: the PKEY 66234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * 66334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Return an error code if unable to add the entry, zero if no change, 66434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * or 1 if the hardware PKEY register needs to be updated. 66534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 66634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int add_pkey(struct ipath_devdata *dd, u16 key) 66734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 66834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 66934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 lkey = key & 0x7FFF; 67034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int any = 0; 67134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret; 67234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 67334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (lkey == 0x7FFF) { 67434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 67534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 67634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 67734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 67834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* Look for an empty slot or a matching PKEY. */ 67934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 68034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!dd->ipath_pkeys[i]) { 68134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan any++; 68234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 68334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 68434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* If it matches exactly, try to increment the ref count */ 68534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (dd->ipath_pkeys[i] == key) { 68634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (atomic_inc_return(&dd->ipath_pkeyrefs[i]) > 1) { 68734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 0; 68834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 68934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 69034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* Lost the race. Look for an empty slot below. */ 69134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan atomic_dec(&dd->ipath_pkeyrefs[i]); 69234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan any++; 69334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 69434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* 69534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * It makes no sense to have both the limited and unlimited 69634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * PKEY set at the same time since the unlimited one will 69734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * disable the limited one. 69834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 69934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if ((dd->ipath_pkeys[i] & 0x7FFF) == lkey) { 70034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EEXIST; 70134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 70234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!any) { 70534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EBUSY; 70634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 70734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 70834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { 70934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (!dd->ipath_pkeys[i] && 71034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan atomic_inc_return(&dd->ipath_pkeyrefs[i]) == 1) { 71134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* for ipathstats, etc. */ 71234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_stats.sps_pkeys[i] = lkey; 71334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan dd->ipath_pkeys[i] = key; 71434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = 1; 71534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan goto bail; 71634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 71734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 71834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ret = -EBUSY; 71934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 72034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanbail: 72134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return ret; 72234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 72334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 72434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan/** 72534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * set_pkeys - set the PKEY table for port 0 72634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @dd: the infinipath device 72734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * @pkeys: the PKEY table 72834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 72934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivanstatic int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) 73034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan{ 73134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_portdata *pd; 73234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int i; 73334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int changed = 0; 73434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 7353d0890985ac4dff781b7feba19fedda547314749Dave Olson /* always a kernel port, no locking needed */ 73634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pd = dd->ipath_pd[0]; 73734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 73834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(pd->port_pkeys); i++) { 73934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 key = pkeys[i]; 74034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u16 okey = pd->port_pkeys[i]; 74134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 74234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (key == okey) 74334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan continue; 74434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan /* 74534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * The value of this PKEY table entry is changing. 74634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan * Remove the old entry in the hardware's array of PKEYs. 74734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan */ 74834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (okey & 0x7FFF) 74934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan changed |= rm_pkey(dd, okey); 75034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (key & 0x7FFF) { 75134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan int ret = add_pkey(dd, key); 75234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 75334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (ret < 0) 75434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan key = 0; 75534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan else 75634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan changed |= ret; 75734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 75834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pd->port_pkeys[i] = key; 75934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 76034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (changed) { 76134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan u64 pkey; 76234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 76334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pkey = (u64) dd->ipath_pkeys[0] | 76434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[1] << 16) | 76534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[2] << 32) | 76634b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ((u64) dd->ipath_pkeys[3] << 48); 76734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_cdbg(VERBOSE, "p0 new pkey reg %llx\n", 76834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan (unsigned long long) pkey); 76934b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey, 77034b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan pkey); 77134b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan } 77234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan return 0; 77334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan} 77434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan 775e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int recv_subn_set_pkeytable(struct ib_smp *smp, 776e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 777e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 778e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); 779e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan __be16 *p = (__be16 *) smp->data; 780e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u16 *q = (u16 *) smp->data; 781e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 78234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan unsigned i, n = ipath_get_npkeys(dev->dd); 783e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 784e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < n; i++) 785e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan q[i] = be16_to_cpu(p[i]); 786e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 78734b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan if (startpx != 0 || set_pkeys(dev->dd, q) != 0) 788e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_INVALID_FIELD; 789e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 790e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_subn_get_pkeytable(smp, ibdev); 791e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 792e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 7936aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_classportinfo(struct ib_pma_mad *pmp) 794e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 7956aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz struct ib_class_port_info *p = 7966aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz (struct ib_class_port_info *)pmp->data; 797e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 798e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 799e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 8006aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.attr_mod != 0) 8016aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; 802e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 803e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Indicate AllPortSelect is valid (only one port anyway) */ 8046aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz p->capability_mask = cpu_to_be16(1 << 8); 805e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->base_version = 1; 806e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->class_version = 1; 807e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 808e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Expected response time is 4.096 usec. * 2^18 == 1.073741824 809e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * sec. 810e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 811e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->resp_time_value = 18; 812e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 813e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 814e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 815e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 816e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/* 817e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The PortSamplesControl.CounterMasks field is an array of 3 bit fields 818e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * which specify the N'th counter's capabilities. See ch. 16.1.3.2. 819e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * We support 5 counters which only count the mandatory quantities. 820e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 821e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan#define COUNTER_MASK(q, n) (q << ((9 - n) * 3)) 8229c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison#define COUNTER_MASK0_9 cpu_to_be32(COUNTER_MASK(1, 0) | \ 8239c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison COUNTER_MASK(1, 1) | \ 8249c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison COUNTER_MASK(1, 2) | \ 8259c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison COUNTER_MASK(1, 3) | \ 8269c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison COUNTER_MASK(1, 4)) 827e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 8286aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_portsamplescontrol(struct ib_pma_mad *pmp, 829e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 830e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 831e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplescontrol *p = 832e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplescontrol *)pmp->data; 833e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 8346c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 835e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan unsigned long flags; 836e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 837e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 838e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 839e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 840e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 8416aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.attr_mod != 0 || 842e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 8436aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; 844e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 845e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Ticks are 10x the link transfer period which for 2.5Gbs is 4 846e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample 847e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * intervals are counted in ticks. Since we use Linux timers, that 848e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * count in jiffies, we can't sample for less than 1000 ticks if HZ 849a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * == 1000 (4000 ticks if HZ is 250). link_speed_active returns 2 for 850a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * DDR, 1 for SDR, set the tick to 1 for DDR, 0 for SDR on chips that 851a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell * have hardware support for delaying packets. 852e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 853a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell if (crp->cr_psstat) 854a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell p->tick = dev->dd->ipath_link_speed_active - 1; 855a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell else 856a51a2513a8cb201f02d83c37e106909938d2f761Ralph Campbell p->tick = 250; /* 1 usec. */ 857e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_width = 4; /* 32 bit counters */ 858e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_mask0_9 = COUNTER_MASK0_9; 859e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan spin_lock_irqsave(&dev->pending_lock, flags); 8606c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 8616c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = ipath_read_creg32(dev->dd, crp->cr_psstat); 8626c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 8636c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = dev->pma_sample_status; 864e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->sample_start = cpu_to_be32(dev->pma_sample_start); 865e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->sample_interval = cpu_to_be32(dev->pma_sample_interval); 866e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 867e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[0] = dev->pma_counter_select[0]; 868e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[1] = dev->pma_counter_select[1]; 869e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[2] = dev->pma_counter_select[2]; 870e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[3] = dev->pma_counter_select[3]; 871e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->counter_select[4] = dev->pma_counter_select[4]; 872e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan spin_unlock_irqrestore(&dev->pending_lock, flags); 873e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 874e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 875e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 876e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 8776aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_set_portsamplescontrol(struct ib_pma_mad *pmp, 878e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 879e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 880e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplescontrol *p = 881e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplescontrol *)pmp->data; 882e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 8836c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 884e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan unsigned long flags; 8856c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 886e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 887e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 8886aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.attr_mod != 0 || 889e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (p->port_select != port && p->port_select != 0xFF)) { 8906aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; 891e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 892e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 893e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 894e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 8956c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell spin_lock_irqsave(&dev->pending_lock, flags); 8966c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 8976c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 8986c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 8996c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 9006c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (status == IB_PMA_SAMPLE_STATUS_DONE) { 9016c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_start = be32_to_cpu(p->sample_start); 9026c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_interval = be32_to_cpu(p->sample_interval); 9036c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_tag = be16_to_cpu(p->tag); 9046c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[0] = p->counter_select[0]; 9056c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[1] = p->counter_select[1]; 9066c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[2] = p->counter_select[2]; 9076c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[3] = p->counter_select[3]; 9086c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_counter_select[4] = p->counter_select[4]; 9096c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) { 9106c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_write_creg(dev->dd, crp->cr_psinterval, 9116c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_interval); 9126c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_write_creg(dev->dd, crp->cr_psstart, 9136c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_start); 9146c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell } else 9156c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED; 916e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 9176c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell spin_unlock_irqrestore(&dev->pending_lock, flags); 9186c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell 919e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port); 920e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 921e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 922e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 923e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 924e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 9256c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbellstatic u64 get_counter(struct ipath_ibdev *dev, 9266c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp, 9276c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell __be16 sel) 928e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 929e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 ret; 930e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 931e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (sel) { 932e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_DATA: 9336c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitdatacount) ? 9346c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitdatacount) : 9356c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_sword; 936e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 937e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_RCV_DATA: 9386c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psrcvdatacount) ? 9396c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psrcvdatacount) : 9406c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_rword; 941e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 942e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_PKTS: 9436c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitpktscount) ? 9446c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitpktscount) : 9456c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_spkts; 946e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 947e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_RCV_PKTS: 9486c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psrcvpktscount) ? 9496c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psrcvpktscount) : 9506c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_rpkts; 951e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 952e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_XMIT_WAIT: 9536c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ret = (crp->cr_psxmitwaitcount) ? 9546c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell ipath_read_creg32(dev->dd, crp->cr_psxmitwaitcount) : 9556c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->ipath_xmit_wait; 956e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan break; 957e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 958e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = 0; 959e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 960e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 961e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 962e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 963e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 9646aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_portsamplesresult(struct ib_pma_mad *pmp, 965e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 966e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 967e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplesresult *p = 968e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplesresult *)pmp->data; 969e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 9706c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 9716c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 972e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int i; 973e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 974e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 975e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 9766c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 9776c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 9786c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 9796c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 9806c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = cpu_to_be16(status); 981e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) 9826c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : 9836c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cpu_to_be32( 9846c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell get_counter(dev, crp, dev->pma_counter_select[i])); 985e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 986e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 987e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 988e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 9896aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_portsamplesresult_ext(struct ib_pma_mad *pmp, 990e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev) 991e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 992e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portsamplesresult_ext *p = 993e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portsamplesresult_ext *)pmp->data; 994e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 9956c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell struct ipath_cregs const *crp = dev->dd->ipath_cregs; 9966c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell u8 status; 997e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int i; 998e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 999e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1000e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->tag = cpu_to_be16(dev->pma_tag); 10016c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (crp->cr_psstat) 10026c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = ipath_read_creg32(dev->dd, crp->cr_psstat); 10036c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell else 10046c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell status = dev->pma_sample_status; 10056c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->sample_status = cpu_to_be16(status); 1006e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 64 bits */ 10079c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->extended_width = cpu_to_be32(0x80000000); 1008e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) 10096c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : 10106c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cpu_to_be64( 10116c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell get_counter(dev, crp, dev->pma_counter_select[i])); 1012e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1013e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1014e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1015e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 10166aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_portcounters(struct ib_pma_mad *pmp, 1017e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1018e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1019e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1020e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1021e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 102234b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_verbs_counters cntrs; 1023e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 1024e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 102534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_get_counters(dev->dd, &cntrs); 1026e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1027e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Adjust counters for any resets done. */ 1028443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.symbol_error_counter -= dev->z_symbol_error_counter; 1029e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.link_error_recovery_counter -= 1030443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_error_recovery_counter; 1031443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.link_downed_counter -= dev->z_link_downed_counter; 1032e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_errors += dev->rcv_errors; 1033443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_errors -= dev->z_port_rcv_errors; 1034443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors; 1035443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_discards -= dev->z_port_xmit_discards; 1036443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_data -= dev->z_port_xmit_data; 1037443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_data -= dev->z_port_rcv_data; 1038443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_xmit_packets -= dev->z_port_xmit_packets; 1039443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan cntrs.port_rcv_packets -= dev->z_port_rcv_packets; 1040fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors -= 1041fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_local_link_integrity_errors; 1042fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors -= 1043fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_excessive_buffer_overrun_errors; 10446c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cntrs.vl15_dropped -= dev->z_vl15_dropped; 10456c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell cntrs.vl15_dropped += dev->n_vl15_dropped; 1046e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1047e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1048e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1049e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 10506aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.attr_mod != 0 || 1051e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 10526aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; 1053e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1054e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.symbol_error_counter > 0xFFFFUL) 10559c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->symbol_error_counter = cpu_to_be16(0xFFFF); 1056e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1057e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->symbol_error_counter = 1058e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.symbol_error_counter); 1059e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.link_error_recovery_counter > 0xFFUL) 1060e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_error_recovery_counter = 0xFF; 1061e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1062e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_error_recovery_counter = 1063e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (u8)cntrs.link_error_recovery_counter; 1064e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.link_downed_counter > 0xFFUL) 1065e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_downed_counter = 0xFF; 1066e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1067e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->link_downed_counter = (u8)cntrs.link_downed_counter; 1068e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_errors > 0xFFFFUL) 10699c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_rcv_errors = cpu_to_be16(0xFFFF); 1070e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1071e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_errors = 1072e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16) cntrs.port_rcv_errors); 1073e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) 10749c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF); 1075e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1076e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_remphys_errors = 1077e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.port_rcv_remphys_errors); 1078e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_discards > 0xFFFFUL) 10799c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_xmit_discards = cpu_to_be16(0xFFFF); 1080e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1081e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_discards = 1082e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be16((u16)cntrs.port_xmit_discards); 1083fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (cntrs.local_link_integrity_errors > 0xFUL) 1084fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors = 0xFUL; 1085fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (cntrs.excessive_buffer_overrun_errors > 0xFUL) 1086fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors = 0xFUL; 10876aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz p->link_overrun_errors = (cntrs.local_link_integrity_errors << 4) | 1088fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors; 10896c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (cntrs.vl15_dropped > 0xFFFFUL) 10909c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->vl15_dropped = cpu_to_be16(0xFFFF); 1091fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan else 10926c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped); 1093e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_data > 0xFFFFFFFFUL) 10949c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_xmit_data = cpu_to_be32(0xFFFFFFFF); 1095e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1096e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data); 1097e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_data > 0xFFFFFFFFUL) 10989c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_rcv_data = cpu_to_be32(0xFFFFFFFF); 1099e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1100e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data); 1101e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_xmit_packets > 0xFFFFFFFFUL) 11029c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_xmit_packets = cpu_to_be32(0xFFFFFFFF); 1103e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1104e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_packets = 1105e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be32((u32)cntrs.port_xmit_packets); 1106e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (cntrs.port_rcv_packets > 0xFFFFFFFFUL) 11079c3da0991754d480328eeaa2b90cb231a1cea9b6Harvey Harrison p->port_rcv_packets = cpu_to_be32(0xFFFFFFFF); 1108e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan else 1109e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_packets = 1110e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cpu_to_be32((u32) cntrs.port_rcv_packets); 1111e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1112e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1113e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1114e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 11156aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_get_portcounters_ext(struct ib_pma_mad *pmp, 1116e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1117e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1118e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters_ext *p = 1119e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (struct ib_pma_portcounters_ext *)pmp->data; 1120e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1121e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 swords, rwords, spkts, rpkts, xwait; 1122e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_select = p->port_select; 1123e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 112434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, 112534b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan &rpkts, &xwait); 1126e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1127e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Adjust counters for any resets done. */ 1128443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan swords -= dev->z_port_xmit_data; 1129443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan rwords -= dev->z_port_rcv_data; 1130443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan spkts -= dev->z_port_xmit_packets; 1131443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan rpkts -= dev->z_port_rcv_packets; 1132e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1133e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan memset(pmp->data, 0, sizeof(pmp->data)); 1134e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1135e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_select = port_select; 11366aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.attr_mod != 0 || 1137e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (port_select != port && port_select != 0xFF)) 11386aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; 1139e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1140e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_data = cpu_to_be64(swords); 1141e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_data = cpu_to_be64(rwords); 1142e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_xmit_packets = cpu_to_be64(spkts); 1143e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_rcv_packets = cpu_to_be64(rpkts); 1144e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_unicast_xmit_packets = cpu_to_be64(dev->n_unicast_xmit); 1145e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_unicast_rcv_packets = cpu_to_be64(dev->n_unicast_rcv); 1146e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_multicast_xmit_packets = cpu_to_be64(dev->n_multicast_xmit); 1147e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan p->port_multicast_rcv_packets = cpu_to_be64(dev->n_multicast_rcv); 1148e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1149e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return reply((struct ib_smp *) pmp); 1150e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1151e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 11526aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_set_portcounters(struct ib_pma_mad *pmp, 1153e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1154e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1155e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1156e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1157e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 115834b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan struct ipath_verbs_counters cntrs; 1159e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1160e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1161e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Since the HW doesn't support clearing counters, we save the 1162e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * current count and subtract it from future responses. 1163e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 116434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_get_counters(dev->dd, &cntrs); 1165e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1166e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR) 1167443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_symbol_error_counter = cntrs.symbol_error_counter; 1168e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1169e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY) 1170443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_error_recovery_counter = 1171e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.link_error_recovery_counter; 1172e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1173e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LINK_DOWNED) 1174443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_link_downed_counter = cntrs.link_downed_counter; 1175e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1176e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS) 1177443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_errors = 1178e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_errors + dev->rcv_errors; 1179e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1180e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS) 1181443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_remphys_errors = 1182e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan cntrs.port_rcv_remphys_errors; 1183e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1184e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS) 1185443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_discards = cntrs.port_xmit_discards; 1186e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1187fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS) 1188fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_local_link_integrity_errors = 1189fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.local_link_integrity_errors; 1190fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 1191fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS) 1192fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->z_excessive_buffer_overrun_errors = 1193fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan cntrs.excessive_buffer_overrun_errors; 1194fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 11956c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) { 1196fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan dev->n_vl15_dropped = 0; 11976c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell dev->z_vl15_dropped = cntrs.vl15_dropped; 11986c719cae0b91f577738dfb4007baee28f03e48a5Ralph Campbell } 1199fba75200ad92892bf32d8d6f1443c6f1e4f48676Bryan O'Sullivan 1200e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA) 1201443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_data = cntrs.port_xmit_data; 1202e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1203e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA) 1204443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_data = cntrs.port_rcv_data; 1205e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1206e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS) 1207443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_packets = cntrs.port_xmit_packets; 1208e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1209e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS) 1210443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_packets = cntrs.port_rcv_packets; 1211e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1212e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_pma_get_portcounters(pmp, ibdev, port); 1213e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1214e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 12156aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitzstatic int recv_pma_set_portcounters_ext(struct ib_pma_mad *pmp, 1216e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_device *ibdev, u8 port) 1217e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1218e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) 1219e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan pmp->data; 1220e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1221e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u64 swords, rwords, spkts, rpkts, xwait; 1222e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 122334b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, 122434b2aafea38efdf02cd8107a6e1057e2a297c447Bryan O'Sullivan &rpkts, &xwait); 1225e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1226e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA) 1227443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_data = swords; 1228e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1229e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA) 1230443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_data = rwords; 1231e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1232e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS) 1233443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_xmit_packets = spkts; 1234e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1235e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS) 1236443a64abbcb130caa315eb1110d7146365846235Bryan O'Sullivan dev->z_port_rcv_packets = rpkts; 1237e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1238e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS) 1239e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_unicast_xmit = 0; 1240e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1241e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS) 1242e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_unicast_rcv = 0; 1243e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1244e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS) 1245e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_multicast_xmit = 0; 1246e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1247e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS) 1248e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->n_multicast_rcv = 0; 1249e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1250e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return recv_pma_get_portcounters_ext(pmp, ibdev, port); 1251e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1252e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1253e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int process_subn(struct ib_device *ibdev, int mad_flags, 1254e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan u8 port_num, struct ib_mad *in_mad, 1255e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *out_mad) 1256e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1257e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_smp *smp = (struct ib_smp *)out_mad; 1258e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ipath_ibdev *dev = to_idev(ibdev); 1259e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1260e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1261e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan *out_mad = *in_mad; 1262e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (smp->class_version != 1) { 1263e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_VERSION; 1264e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1265e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1266e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1267e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1268e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Is the mkey in the process of expiring? */ 1269b3b8128fd3b0966830ee90f1162173d07cb496a0Robert P. J. Day if (dev->mkey_lease_timeout && 1270b3b8128fd3b0966830ee90f1162173d07cb496a0Robert P. J. Day time_after_eq(jiffies, dev->mkey_lease_timeout)) { 1271e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Clear timeout and mkey protection field. */ 1272e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = 0; 1273542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot = 0; 1274e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1275e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1276e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1277e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * M_Key checking depends on 1278e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Portinfo:M_Key_protect_bits 1279e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1280e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && dev->mkey != 0 && 1281e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey != smp->mkey && 1282e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (smp->method == IB_MGMT_METHOD_SET || 1283e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan (smp->method == IB_MGMT_METHOD_GET && 1284542869a17eee2edf389273f40f757aa4e662b3daRalph Campbell dev->mkeyprot >= 2))) { 1285e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->mkey_violations != 0xFFFF) 1286e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ++dev->mkey_violations; 1287e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->mkey_lease_timeout || 1288e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period == 0) { 1289e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1290e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1291e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1292e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1293e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = jiffies + 1294e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_period * HZ; 1295e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* Future: Generate a trap notice. */ 1296e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 1297e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1298e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } else if (dev->mkey_lease_timeout) 1299e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan dev->mkey_lease_timeout = 0; 1300e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1301e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->method) { 1302e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET: 1303e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->attr_id) { 1304e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_NODE_DESC: 1305e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_nodedescription(smp, ibdev); 1306e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1307e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_NODE_INFO: 1308e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_nodeinfo(smp, ibdev, port_num); 1309e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1310e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_GUID_INFO: 1311e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_guidinfo(smp, ibdev); 1312e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1313e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PORT_INFO: 1314e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_portinfo(smp, ibdev, port_num); 1315e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1316e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PKEY_TABLE: 1317e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_get_pkeytable(smp, ibdev); 1318e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1319e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_SM_INFO: 1320e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { 1321e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1322e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1323e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1324e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1325e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM) { 1326e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1327e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1328e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1329e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 1330e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1331e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METH_ATTR; 1332e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1333e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1334e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1335e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1336e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_SET: 1337e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (smp->attr_id) { 1338e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_GUID_INFO: 1339e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_guidinfo(smp, ibdev); 1340e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1341e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PORT_INFO: 1342e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_portinfo(smp, ibdev, port_num); 1343e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1344e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_PKEY_TABLE: 1345e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_subn_set_pkeytable(smp, ibdev); 1346e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1347e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_SMP_ATTR_SM_INFO: 1348e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { 1349e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS | 1350e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan IB_MAD_RESULT_CONSUMED; 1351e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1352e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1353e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan if (dev->port_cap_flags & IB_PORT_SM) { 1354e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1355e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1356e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1357e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* FALLTHROUGH */ 1358e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1359e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METH_ATTR; 1360e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1361e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1362e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1363e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 136427676a3e166b352928a8ef7b1c0e322f3c471a3eRalph Campbell case IB_MGMT_METHOD_TRAP: 136527676a3e166b352928a8ef7b1c0e322f3c471a3eRalph Campbell case IB_MGMT_METHOD_REPORT: 136627676a3e166b352928a8ef7b1c0e322f3c471a3eRalph Campbell case IB_MGMT_METHOD_REPORT_RESP: 136727676a3e166b352928a8ef7b1c0e322f3c471a3eRalph Campbell case IB_MGMT_METHOD_TRAP_REPRESS: 1368e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET_RESP: 1369e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1370e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The ib_mad module will call us to process responses 1371e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * before checking for other consumers. 1372e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Just tell the caller to process it normally. 1373e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1374f9b403532235520ec248c024f621efcaf6ba7b93Ralph Campbell ret = IB_MAD_RESULT_SUCCESS; 1375e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1376e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1377e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan smp->status |= IB_SMP_UNSUP_METHOD; 1378e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply(smp); 1379e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1380e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1381e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1382e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1383e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1384e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1385e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanstatic int process_perf(struct ib_device *ibdev, u8 port_num, 1386e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *in_mad, 1387e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *out_mad) 1388e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 13896aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad; 1390e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1391e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1392e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan *out_mad = *in_mad; 13936aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz if (pmp->mad_hdr.class_version != 1) { 13946aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; 1395e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1396e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1397e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1398e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 13996aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz switch (pmp->mad_hdr.method) { 1400e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET: 14016aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz switch (pmp->mad_hdr.attr_id) { 1402e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_CLASS_PORT_INFO: 1403e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_classportinfo(pmp); 1404e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1405e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_CONTROL: 1406e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplescontrol(pmp, ibdev, 1407e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1408e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1409e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_RESULT: 1410e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplesresult(pmp, ibdev); 1411e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1412e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_RESULT_EXT: 1413e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portsamplesresult_ext(pmp, 1414e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ibdev); 1415e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1416e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS: 1417e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portcounters(pmp, ibdev, 1418e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1419e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1420e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS_EXT: 1421e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_get_portcounters_ext(pmp, ibdev, 1422e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1423e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1424e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 14256aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; 1426e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1427e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1428e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1429e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1430e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_SET: 14316aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz switch (pmp->mad_hdr.attr_id) { 1432e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_SAMPLES_CONTROL: 1433e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portsamplescontrol(pmp, ibdev, 1434e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1435e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1436e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS: 1437e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portcounters(pmp, ibdev, 1438e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1439e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1440e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_PMA_PORT_COUNTERS_EXT: 1441e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = recv_pma_set_portcounters_ext(pmp, ibdev, 1442e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan port_num); 1443e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1444e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 14456aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; 1446e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1447e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1448e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1449e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1450e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_METHOD_GET_RESP: 1451e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan /* 1452e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * The ib_mad module will call us to process responses 1453e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * before checking for other consumers. 1454e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Just tell the caller to process it normally. 1455e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1456f9b403532235520ec248c024f621efcaf6ba7b93Ralph Campbell ret = IB_MAD_RESULT_SUCCESS; 1457e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1458e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 14596aea213a62122701891fe55cc3405d31b927cfdeOr Gerlitz pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; 1460e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = reply((struct ib_smp *) pmp); 1461e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1462e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1463e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1464e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1465e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1466e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1467e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan/** 1468e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * ipath_process_mad - process an incoming MAD packet 1469e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @ibdev: the infiniband device this packet came in on 1470e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @mad_flags: MAD flags 1471e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @port_num: the port number this packet came in on 1472e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_wc: the work completion entry for this packet 1473e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_grh: the global route header for this packet 1474e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @in_mad: the incoming MAD 1475e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * @out_mad: any outgoing MAD reply 1476e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1477e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not 1478e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * interested in processing. 1479e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1480e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * Note that the verbs framework has already done the MAD sanity checks, 1481e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 1482e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * MADs. 1483e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * 1484e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan * This is called by the ib_mad module. 1485e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan */ 1486e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanint ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 1487e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_wc *in_wc, struct ib_grh *in_grh, 1488e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan struct ib_mad *in_mad, struct ib_mad *out_mad) 1489e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan{ 1490e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan int ret; 1491e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1492e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan switch (in_mad->mad_hdr.mgmt_class) { 1493e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: 1494e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_SUBN_LID_ROUTED: 1495e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = process_subn(ibdev, mad_flags, port_num, 1496e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan in_mad, out_mad); 1497e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1498e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan case IB_MGMT_CLASS_PERF_MGMT: 1499e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = process_perf(ibdev, port_num, in_mad, out_mad); 1500e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan goto bail; 1501e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan default: 1502e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan ret = IB_MAD_RESULT_SUCCESS; 1503e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan } 1504e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan 1505e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivanbail: 1506e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan return ret; 1507e28c00ad67164dba688c1d19c208c5fb554465f2Bryan O'Sullivan} 1508