Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * IBM eServer eHCA Infiniband device driver for Linux on POWER |
| 3 | * |
| 4 | * HCA query functions |
| 5 | * |
| 6 | * Authors: Heiko J Schick <schickhj@de.ibm.com> |
| 7 | * Christoph Raisch <raisch@de.ibm.com> |
| 8 | * |
| 9 | * Copyright (c) 2005 IBM Corporation |
| 10 | * |
| 11 | * All rights reserved. |
| 12 | * |
| 13 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB |
| 14 | * BSD. |
| 15 | * |
| 16 | * OpenIB BSD License |
| 17 | * |
| 18 | * Redistribution and use in source and binary forms, with or without |
| 19 | * modification, are permitted provided that the following conditions are met: |
| 20 | * |
| 21 | * Redistributions of source code must retain the above copyright notice, this |
| 22 | * list of conditions and the following disclaimer. |
| 23 | * |
| 24 | * Redistributions in binary form must reproduce the above copyright notice, |
| 25 | * this list of conditions and the following disclaimer in the documentation |
| 26 | * and/or other materials |
| 27 | * provided with the distribution. |
| 28 | * |
| 29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 33 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 34 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 35 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 36 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 37 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 38 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 39 | * POSSIBILITY OF SUCH DAMAGE. |
| 40 | */ |
| 41 | |
| 42 | #include "ehca_tools.h" |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 43 | #include "ehca_iverbs.h" |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 44 | #include "hcp_if.h" |
| 45 | |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 46 | static unsigned int limit_uint(unsigned int value) |
| 47 | { |
| 48 | return min_t(unsigned int, value, INT_MAX); |
| 49 | } |
| 50 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 51 | int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props) |
| 52 | { |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 53 | int i, ret = 0; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 54 | struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, |
| 55 | ib_device); |
| 56 | struct hipz_query_hca *rblock; |
| 57 | |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 58 | static const u32 cap_mapping[] = { |
| 59 | IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE, |
| 60 | IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR, |
| 61 | IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR, |
| 62 | IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST, |
| 63 | IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG, |
| 64 | IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE, |
| 65 | IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK, |
| 66 | IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD, |
| 67 | IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT, |
| 68 | IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE, |
| 69 | IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT, |
| 70 | }; |
| 71 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 72 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 73 | if (!rblock) { |
| 74 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 75 | return -ENOMEM; |
| 76 | } |
| 77 | |
| 78 | if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) { |
| 79 | ehca_err(&shca->ib_device, "Can't query device properties"); |
| 80 | ret = -EINVAL; |
| 81 | goto query_device1; |
| 82 | } |
| 83 | |
| 84 | memset(props, 0, sizeof(struct ib_device_attr)); |
Joachim Fenkes | abc39d3 | 2007-10-16 17:31:14 +0200 | [diff] [blame] | 85 | props->page_size_cap = shca->hca_cap_mr_pgsize; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 86 | props->fw_ver = rblock->hw_ver; |
| 87 | props->max_mr_size = rblock->max_mr_size; |
| 88 | props->vendor_id = rblock->vendor_id >> 8; |
| 89 | props->vendor_part_id = rblock->vendor_part_id >> 16; |
| 90 | props->hw_ver = rblock->hw_ver; |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 91 | props->max_qp = limit_uint(rblock->max_qp); |
| 92 | props->max_qp_wr = limit_uint(rblock->max_wqes_wq); |
| 93 | props->max_sge = limit_uint(rblock->max_sge); |
| 94 | props->max_sge_rd = limit_uint(rblock->max_sge_rd); |
| 95 | props->max_cq = limit_uint(rblock->max_cq); |
| 96 | props->max_cqe = limit_uint(rblock->max_cqe); |
| 97 | props->max_mr = limit_uint(rblock->max_mr); |
| 98 | props->max_mw = limit_uint(rblock->max_mw); |
| 99 | props->max_pd = limit_uint(rblock->max_pd); |
| 100 | props->max_ah = limit_uint(rblock->max_ah); |
| 101 | props->max_ee = limit_uint(rblock->max_rd_ee_context); |
| 102 | props->max_rdd = limit_uint(rblock->max_rd_domain); |
| 103 | props->max_fmr = limit_uint(rblock->max_mr); |
| 104 | props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay); |
| 105 | props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp); |
| 106 | props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context); |
| 107 | props->max_res_rd_atom = limit_uint(rblock->max_rr_hca); |
| 108 | props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp); |
| 109 | props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context); |
Joachim Fenkes | 5ff70cac | 2007-08-31 16:03:37 +0200 | [diff] [blame] | 110 | |
| 111 | if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 112 | props->max_srq = limit_uint(props->max_qp); |
| 113 | props->max_srq_wr = limit_uint(props->max_qp_wr); |
Joachim Fenkes | 5ff70cac | 2007-08-31 16:03:37 +0200 | [diff] [blame] | 114 | props->max_srq_sge = 3; |
| 115 | } |
| 116 | |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 117 | props->max_pkeys = 16; |
| 118 | props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay); |
| 119 | props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp); |
| 120 | props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp); |
| 121 | props->max_mcast_grp = limit_uint(rblock->max_mcast_grp); |
| 122 | props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 123 | props->max_total_mcast_qp_attach |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 124 | = limit_uint(rblock->max_total_mcast_qp_attach); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 125 | |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 126 | /* translate device capabilities */ |
| 127 | props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID | |
| 128 | IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ; |
| 129 | for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2) |
| 130 | if (rblock->hca_cap_indicators & cap_mapping[i + 1]) |
| 131 | props->device_cap_flags |= cap_mapping[i]; |
| 132 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 133 | query_device1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 134 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 135 | |
| 136 | return ret; |
| 137 | } |
| 138 | |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 139 | static int map_mtu(struct ehca_shca *shca, u32 fw_mtu) |
| 140 | { |
| 141 | switch (fw_mtu) { |
| 142 | case 0x1: |
| 143 | return IB_MTU_256; |
| 144 | case 0x2: |
| 145 | return IB_MTU_512; |
| 146 | case 0x3: |
| 147 | return IB_MTU_1024; |
| 148 | case 0x4: |
| 149 | return IB_MTU_2048; |
| 150 | case 0x5: |
| 151 | return IB_MTU_4096; |
| 152 | default: |
| 153 | ehca_err(&shca->ib_device, "Unknown MTU size: %x.", |
| 154 | fw_mtu); |
| 155 | return 0; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | static int map_number_of_vls(struct ehca_shca *shca, u32 vl_cap) |
| 160 | { |
| 161 | switch (vl_cap) { |
| 162 | case 0x1: |
| 163 | return 1; |
| 164 | case 0x2: |
| 165 | return 2; |
| 166 | case 0x3: |
| 167 | return 4; |
| 168 | case 0x4: |
| 169 | return 8; |
| 170 | case 0x5: |
| 171 | return 15; |
| 172 | default: |
| 173 | ehca_err(&shca->ib_device, "invalid Vl Capability: %x.", |
| 174 | vl_cap); |
| 175 | return 0; |
| 176 | } |
| 177 | } |
| 178 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 179 | int ehca_query_port(struct ib_device *ibdev, |
| 180 | u8 port, struct ib_port_attr *props) |
| 181 | { |
| 182 | int ret = 0; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 183 | u64 h_ret; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 184 | struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, |
| 185 | ib_device); |
| 186 | struct hipz_query_port *rblock; |
| 187 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 188 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 189 | if (!rblock) { |
| 190 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 191 | return -ENOMEM; |
| 192 | } |
| 193 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 194 | h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock); |
| 195 | if (h_ret != H_SUCCESS) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 196 | ehca_err(&shca->ib_device, "Can't query port properties"); |
| 197 | ret = -EINVAL; |
| 198 | goto query_port1; |
| 199 | } |
| 200 | |
| 201 | memset(props, 0, sizeof(struct ib_port_attr)); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 202 | |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 203 | props->active_mtu = props->max_mtu = map_mtu(shca, rblock->max_mtu); |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 204 | props->port_cap_flags = rblock->capability_mask; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 205 | props->gid_tbl_len = rblock->gid_tbl_len; |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 206 | if (rblock->max_msg_sz) |
| 207 | props->max_msg_sz = rblock->max_msg_sz; |
| 208 | else |
| 209 | props->max_msg_sz = 0x1 << 31; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 210 | props->bad_pkey_cntr = rblock->bad_pkey_cntr; |
| 211 | props->qkey_viol_cntr = rblock->qkey_viol_cntr; |
| 212 | props->pkey_tbl_len = rblock->pkey_tbl_len; |
| 213 | props->lid = rblock->lid; |
| 214 | props->sm_lid = rblock->sm_lid; |
| 215 | props->lmc = rblock->lmc; |
| 216 | props->sm_sl = rblock->sm_sl; |
| 217 | props->subnet_timeout = rblock->subnet_timeout; |
| 218 | props->init_type_reply = rblock->init_type_reply; |
Stefan Roscher | c83b5b1 | 2008-04-16 21:09:35 -0700 | [diff] [blame^] | 219 | props->max_vl_num = map_number_of_vls(shca, rblock->vl_cap); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 220 | |
Joachim Fenkes | 40ebb56 | 2007-11-02 15:33:51 +0200 | [diff] [blame] | 221 | if (rblock->state && rblock->phys_width) { |
| 222 | props->phys_state = rblock->phys_pstate; |
| 223 | props->state = rblock->phys_state; |
| 224 | props->active_width = rblock->phys_width; |
| 225 | props->active_speed = rblock->phys_speed; |
| 226 | } else { |
| 227 | /* old firmware releases don't report physical |
| 228 | * port info, so use default values |
| 229 | */ |
| 230 | props->phys_state = 5; |
| 231 | props->state = rblock->state; |
| 232 | props->active_width = IB_WIDTH_12X; |
| 233 | props->active_speed = 0x1; |
| 234 | } |
Hoang-Nam Nguyen | 6bbcea0 | 2007-02-15 17:10:06 +0100 | [diff] [blame] | 235 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 236 | query_port1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 237 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 238 | |
| 239 | return ret; |
| 240 | } |
| 241 | |
Joachim Fenkes | 8705ce5 | 2007-07-09 15:32:22 +0200 | [diff] [blame] | 242 | int ehca_query_sma_attr(struct ehca_shca *shca, |
| 243 | u8 port, struct ehca_sma_attr *attr) |
| 244 | { |
| 245 | int ret = 0; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 246 | u64 h_ret; |
Joachim Fenkes | 8705ce5 | 2007-07-09 15:32:22 +0200 | [diff] [blame] | 247 | struct hipz_query_port *rblock; |
| 248 | |
| 249 | rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC); |
| 250 | if (!rblock) { |
| 251 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 252 | return -ENOMEM; |
| 253 | } |
| 254 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 255 | h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock); |
| 256 | if (h_ret != H_SUCCESS) { |
Joachim Fenkes | 8705ce5 | 2007-07-09 15:32:22 +0200 | [diff] [blame] | 257 | ehca_err(&shca->ib_device, "Can't query port properties"); |
| 258 | ret = -EINVAL; |
| 259 | goto query_sma_attr1; |
| 260 | } |
| 261 | |
| 262 | memset(attr, 0, sizeof(struct ehca_sma_attr)); |
| 263 | |
| 264 | attr->lid = rblock->lid; |
| 265 | attr->lmc = rblock->lmc; |
| 266 | attr->sm_sl = rblock->sm_sl; |
| 267 | attr->sm_lid = rblock->sm_lid; |
| 268 | |
| 269 | attr->pkey_tbl_len = rblock->pkey_tbl_len; |
| 270 | memcpy(attr->pkeys, rblock->pkey_entries, sizeof(attr->pkeys)); |
| 271 | |
| 272 | query_sma_attr1: |
| 273 | ehca_free_fw_ctrlblock(rblock); |
| 274 | |
| 275 | return ret; |
| 276 | } |
| 277 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 278 | int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) |
| 279 | { |
| 280 | int ret = 0; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 281 | u64 h_ret; |
| 282 | struct ehca_shca *shca; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 283 | struct hipz_query_port *rblock; |
| 284 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 285 | shca = container_of(ibdev, struct ehca_shca, ib_device); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 286 | if (index > 16) { |
| 287 | ehca_err(&shca->ib_device, "Invalid index: %x.", index); |
| 288 | return -EINVAL; |
| 289 | } |
| 290 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 291 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 292 | if (!rblock) { |
| 293 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 294 | return -ENOMEM; |
| 295 | } |
| 296 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 297 | h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock); |
| 298 | if (h_ret != H_SUCCESS) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 299 | ehca_err(&shca->ib_device, "Can't query port properties"); |
| 300 | ret = -EINVAL; |
| 301 | goto query_pkey1; |
| 302 | } |
| 303 | |
| 304 | memcpy(pkey, &rblock->pkey_entries + index, sizeof(u16)); |
| 305 | |
| 306 | query_pkey1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 307 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 308 | |
| 309 | return ret; |
| 310 | } |
| 311 | |
| 312 | int ehca_query_gid(struct ib_device *ibdev, u8 port, |
| 313 | int index, union ib_gid *gid) |
| 314 | { |
| 315 | int ret = 0; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 316 | u64 h_ret; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 317 | struct ehca_shca *shca = container_of(ibdev, struct ehca_shca, |
| 318 | ib_device); |
| 319 | struct hipz_query_port *rblock; |
| 320 | |
| 321 | if (index > 255) { |
| 322 | ehca_err(&shca->ib_device, "Invalid index: %x.", index); |
| 323 | return -EINVAL; |
| 324 | } |
| 325 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 326 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 327 | if (!rblock) { |
| 328 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 329 | return -ENOMEM; |
| 330 | } |
| 331 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 332 | h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock); |
| 333 | if (h_ret != H_SUCCESS) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 334 | ehca_err(&shca->ib_device, "Can't query port properties"); |
| 335 | ret = -EINVAL; |
| 336 | goto query_gid1; |
| 337 | } |
| 338 | |
| 339 | memcpy(&gid->raw[0], &rblock->gid_prefix, sizeof(u64)); |
| 340 | memcpy(&gid->raw[8], &rblock->guid_entries[index], sizeof(u64)); |
| 341 | |
| 342 | query_gid1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 343 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 344 | |
| 345 | return ret; |
| 346 | } |
| 347 | |
Roland Dreier | e8e91f6 | 2008-04-16 21:01:10 -0700 | [diff] [blame] | 348 | static const u32 allowed_port_caps = ( |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 349 | IB_PORT_SM | IB_PORT_LED_INFO_SUP | IB_PORT_CM_SUP | |
| 350 | IB_PORT_SNMP_TUNNEL_SUP | IB_PORT_DEVICE_MGMT_SUP | |
| 351 | IB_PORT_VENDOR_CLASS_SUP); |
| 352 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 353 | int ehca_modify_port(struct ib_device *ibdev, |
| 354 | u8 port, int port_modify_mask, |
| 355 | struct ib_port_modify *props) |
| 356 | { |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 357 | int ret = 0; |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 358 | struct ehca_shca *shca; |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 359 | struct hipz_query_port *rblock; |
| 360 | u32 cap; |
| 361 | u64 hret; |
| 362 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 363 | shca = container_of(ibdev, struct ehca_shca, ib_device); |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 364 | if ((props->set_port_cap_mask | props->clr_port_cap_mask) |
| 365 | & ~allowed_port_caps) { |
| 366 | ehca_err(&shca->ib_device, "Non-changeable bits set in masks " |
| 367 | "set=%x clr=%x allowed=%x", props->set_port_cap_mask, |
| 368 | props->clr_port_cap_mask, allowed_port_caps); |
| 369 | return -EINVAL; |
| 370 | } |
| 371 | |
| 372 | if (mutex_lock_interruptible(&shca->modify_mutex)) |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 373 | return -ERESTARTSYS; |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 374 | |
| 375 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
| 376 | if (!rblock) { |
| 377 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 378 | ret = -ENOMEM; |
| 379 | goto modify_port1; |
| 380 | } |
| 381 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 382 | hret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock); |
| 383 | if (hret != H_SUCCESS) { |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 384 | ehca_err(&shca->ib_device, "Can't query port properties"); |
| 385 | ret = -EINVAL; |
| 386 | goto modify_port2; |
| 387 | } |
| 388 | |
| 389 | cap = (rblock->capability_mask | props->set_port_cap_mask) |
| 390 | & ~props->clr_port_cap_mask; |
| 391 | |
| 392 | hret = hipz_h_modify_port(shca->ipz_hca_handle, port, |
| 393 | cap, props->init_type, port_modify_mask); |
| 394 | if (hret != H_SUCCESS) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 395 | ehca_err(&shca->ib_device, "Modify port failed h_ret=%li", |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 396 | hret); |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 397 | ret = -EINVAL; |
| 398 | } |
| 399 | |
| 400 | modify_port2: |
| 401 | ehca_free_fw_ctrlblock(rblock); |
| 402 | |
| 403 | modify_port1: |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 404 | mutex_unlock(&shca->modify_mutex); |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 405 | |
| 406 | return ret; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 407 | } |