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 | * module start stop, hca detection |
| 5 | * |
| 6 | * Authors: Heiko J Schick <schickhj@de.ibm.com> |
| 7 | * Hoang-Nam Nguyen <hnguyen@de.ibm.com> |
| 8 | * Joachim Fenkes <fenkes@de.ibm.com> |
| 9 | * |
| 10 | * Copyright (c) 2005 IBM Corporation |
| 11 | * |
| 12 | * All rights reserved. |
| 13 | * |
| 14 | * This source code is distributed under a dual license of GPL v2.0 and OpenIB |
| 15 | * BSD. |
| 16 | * |
| 17 | * OpenIB BSD License |
| 18 | * |
| 19 | * Redistribution and use in source and binary forms, with or without |
| 20 | * modification, are permitted provided that the following conditions are met: |
| 21 | * |
| 22 | * Redistributions of source code must retain the above copyright notice, this |
| 23 | * list of conditions and the following disclaimer. |
| 24 | * |
| 25 | * Redistributions in binary form must reproduce the above copyright notice, |
| 26 | * this list of conditions and the following disclaimer in the documentation |
| 27 | * and/or other materials |
| 28 | * provided with the distribution. |
| 29 | * |
| 30 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 31 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 32 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 33 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 34 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 35 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 36 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 37 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 38 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 39 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 40 | * POSSIBILITY OF SUCH DAMAGE. |
| 41 | */ |
| 42 | |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 43 | #ifdef CONFIG_PPC_64K_PAGES |
| 44 | #include <linux/slab.h> |
| 45 | #endif |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 46 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 47 | #include "ehca_classes.h" |
| 48 | #include "ehca_iverbs.h" |
| 49 | #include "ehca_mrmw.h" |
| 50 | #include "ehca_tools.h" |
| 51 | #include "hcp_if.h" |
| 52 | |
Joachim Fenkes | 3d758a4 | 2007-12-13 13:35:57 +0100 | [diff] [blame] | 53 | #define HCAD_VERSION "0025" |
Joachim Fenkes | 39089e7 | 2007-09-11 15:35:32 +0200 | [diff] [blame] | 54 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 55 | MODULE_LICENSE("Dual BSD/GPL"); |
| 56 | MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); |
| 57 | MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver"); |
Joachim Fenkes | 39089e7 | 2007-09-11 15:35:32 +0200 | [diff] [blame] | 58 | MODULE_VERSION(HCAD_VERSION); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 59 | |
| 60 | int ehca_open_aqp1 = 0; |
| 61 | int ehca_debug_level = 0; |
| 62 | int ehca_hw_level = 0; |
| 63 | int ehca_nr_ports = 2; |
| 64 | int ehca_use_hp_mr = 0; |
| 65 | int ehca_port_act_time = 30; |
| 66 | int ehca_poll_all_eqs = 1; |
| 67 | int ehca_static_rate = -1; |
Joachim Fenkes | 4e430dc | 2007-05-09 13:48:31 +0200 | [diff] [blame] | 68 | int ehca_scaling_code = 0; |
Joachim Fenkes | 8da9ee9 | 2007-10-16 17:31:59 +0200 | [diff] [blame] | 69 | int ehca_mr_largepage = 1; |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 70 | int ehca_lock_hcalls = -1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 71 | |
Anton Blanchard | 339e264 | 2007-08-29 12:43:01 -0500 | [diff] [blame] | 72 | module_param_named(open_aqp1, ehca_open_aqp1, int, S_IRUGO); |
| 73 | module_param_named(debug_level, ehca_debug_level, int, S_IRUGO); |
| 74 | module_param_named(hw_level, ehca_hw_level, int, S_IRUGO); |
| 75 | module_param_named(nr_ports, ehca_nr_ports, int, S_IRUGO); |
| 76 | module_param_named(use_hp_mr, ehca_use_hp_mr, int, S_IRUGO); |
| 77 | module_param_named(port_act_time, ehca_port_act_time, int, S_IRUGO); |
| 78 | module_param_named(poll_all_eqs, ehca_poll_all_eqs, int, S_IRUGO); |
| 79 | module_param_named(static_rate, ehca_static_rate, int, S_IRUGO); |
| 80 | module_param_named(scaling_code, ehca_scaling_code, int, S_IRUGO); |
| 81 | module_param_named(mr_largepage, ehca_mr_largepage, int, S_IRUGO); |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 82 | module_param_named(lock_hcalls, ehca_lock_hcalls, bool, S_IRUGO); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 83 | |
| 84 | MODULE_PARM_DESC(open_aqp1, |
| 85 | "AQP1 on startup (0: no (default), 1: yes)"); |
| 86 | MODULE_PARM_DESC(debug_level, |
| 87 | "debug level" |
| 88 | " (0: no debug traces (default), 1: with debug traces)"); |
| 89 | MODULE_PARM_DESC(hw_level, |
| 90 | "hardware level" |
| 91 | " (0: autosensing (default), 1: v. 0.20, 2: v. 0.21)"); |
| 92 | MODULE_PARM_DESC(nr_ports, |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 93 | "number of connected ports (-1: autodetect, 1: port one only, " |
| 94 | "2: two ports (default)"); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 95 | MODULE_PARM_DESC(use_hp_mr, |
| 96 | "high performance MRs (0: no (default), 1: yes)"); |
| 97 | MODULE_PARM_DESC(port_act_time, |
| 98 | "time to wait for port activation (default: 30 sec)"); |
| 99 | MODULE_PARM_DESC(poll_all_eqs, |
| 100 | "polls all event queues periodically" |
| 101 | " (0: no, 1: yes (default))"); |
| 102 | MODULE_PARM_DESC(static_rate, |
| 103 | "set permanent static rate (default: disabled)"); |
Hoang-Nam Nguyen | 4fd3006 | 2007-02-15 17:08:33 +0100 | [diff] [blame] | 104 | MODULE_PARM_DESC(scaling_code, |
Hoang-Nam Nguyen | b8a3ba5 | 2007-07-09 15:20:55 +0200 | [diff] [blame] | 105 | "set scaling code (0: disabled/default, 1: enabled)"); |
Hoang-Nam Nguyen | 5bb7d92 | 2007-07-20 16:01:51 +0200 | [diff] [blame] | 106 | MODULE_PARM_DESC(mr_largepage, |
| 107 | "use large page for MR (0: use PAGE_SIZE (default), " |
| 108 | "1: use large page depending on MR size"); |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 109 | MODULE_PARM_DESC(lock_hcalls, |
| 110 | "serialize all hCalls made by the driver " |
| 111 | "(default: autodetect)"); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 112 | |
Joachim Fenkes | 26ed687 | 2007-07-09 15:31:10 +0200 | [diff] [blame] | 113 | DEFINE_RWLOCK(ehca_qp_idr_lock); |
| 114 | DEFINE_RWLOCK(ehca_cq_idr_lock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 115 | DEFINE_IDR(ehca_qp_idr); |
| 116 | DEFINE_IDR(ehca_cq_idr); |
| 117 | |
Joachim Fenkes | 9844b71 | 2007-07-09 15:29:03 +0200 | [diff] [blame] | 118 | static LIST_HEAD(shca_list); /* list of all registered ehcas */ |
| 119 | static DEFINE_SPINLOCK(shca_list_lock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 120 | |
| 121 | static struct timer_list poll_eqs_timer; |
| 122 | |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 123 | #ifdef CONFIG_PPC_64K_PAGES |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 124 | static struct kmem_cache *ctblk_cache; |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 125 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 126 | void *ehca_alloc_fw_ctrlblock(gfp_t flags) |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 127 | { |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 128 | void *ret = kmem_cache_zalloc(ctblk_cache, flags); |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 129 | if (!ret) |
| 130 | ehca_gen_err("Out of memory for ctblk"); |
| 131 | return ret; |
| 132 | } |
| 133 | |
| 134 | void ehca_free_fw_ctrlblock(void *ptr) |
| 135 | { |
| 136 | if (ptr) |
| 137 | kmem_cache_free(ctblk_cache, ptr); |
| 138 | |
| 139 | } |
| 140 | #endif |
| 141 | |
Hoang-Nam Nguyen | 51d2bfb | 2007-07-20 16:02:46 +0200 | [diff] [blame] | 142 | int ehca2ib_return_code(u64 ehca_rc) |
| 143 | { |
| 144 | switch (ehca_rc) { |
| 145 | case H_SUCCESS: |
| 146 | return 0; |
| 147 | case H_RESOURCE: /* Resource in use */ |
| 148 | case H_BUSY: |
| 149 | return -EBUSY; |
| 150 | case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */ |
| 151 | case H_CONSTRAINED: /* resource constraint */ |
| 152 | case H_NO_MEM: |
| 153 | return -ENOMEM; |
| 154 | default: |
| 155 | return -EINVAL; |
| 156 | } |
| 157 | } |
| 158 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 159 | static int ehca_create_slab_caches(void) |
| 160 | { |
| 161 | int ret; |
| 162 | |
| 163 | ret = ehca_init_pd_cache(); |
| 164 | if (ret) { |
| 165 | ehca_gen_err("Cannot create PD SLAB cache."); |
| 166 | return ret; |
| 167 | } |
| 168 | |
| 169 | ret = ehca_init_cq_cache(); |
| 170 | if (ret) { |
| 171 | ehca_gen_err("Cannot create CQ SLAB cache."); |
| 172 | goto create_slab_caches2; |
| 173 | } |
| 174 | |
| 175 | ret = ehca_init_qp_cache(); |
| 176 | if (ret) { |
| 177 | ehca_gen_err("Cannot create QP SLAB cache."); |
| 178 | goto create_slab_caches3; |
| 179 | } |
| 180 | |
| 181 | ret = ehca_init_av_cache(); |
| 182 | if (ret) { |
| 183 | ehca_gen_err("Cannot create AV SLAB cache."); |
| 184 | goto create_slab_caches4; |
| 185 | } |
| 186 | |
| 187 | ret = ehca_init_mrmw_cache(); |
| 188 | if (ret) { |
| 189 | ehca_gen_err("Cannot create MR&MW SLAB cache."); |
| 190 | goto create_slab_caches5; |
| 191 | } |
| 192 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 193 | ret = ehca_init_small_qp_cache(); |
| 194 | if (ret) { |
| 195 | ehca_gen_err("Cannot create small queue SLAB cache."); |
| 196 | goto create_slab_caches6; |
| 197 | } |
| 198 | |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 199 | #ifdef CONFIG_PPC_64K_PAGES |
| 200 | ctblk_cache = kmem_cache_create("ehca_cache_ctblk", |
| 201 | EHCA_PAGESIZE, H_CB_ALIGNMENT, |
| 202 | SLAB_HWCACHE_ALIGN, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 203 | NULL); |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 204 | if (!ctblk_cache) { |
| 205 | ehca_gen_err("Cannot create ctblk SLAB cache."); |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 206 | ehca_cleanup_small_qp_cache(); |
| 207 | goto create_slab_caches6; |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 208 | } |
| 209 | #endif |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 210 | return 0; |
| 211 | |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 212 | create_slab_caches6: |
| 213 | ehca_cleanup_mrmw_cache(); |
| 214 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 215 | create_slab_caches5: |
| 216 | ehca_cleanup_av_cache(); |
| 217 | |
| 218 | create_slab_caches4: |
| 219 | ehca_cleanup_qp_cache(); |
| 220 | |
| 221 | create_slab_caches3: |
| 222 | ehca_cleanup_cq_cache(); |
| 223 | |
| 224 | create_slab_caches2: |
| 225 | ehca_cleanup_pd_cache(); |
| 226 | |
| 227 | return ret; |
| 228 | } |
| 229 | |
| 230 | static void ehca_destroy_slab_caches(void) |
| 231 | { |
Stefan Roscher | e2f81da | 2007-07-20 16:04:17 +0200 | [diff] [blame] | 232 | ehca_cleanup_small_qp_cache(); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 233 | ehca_cleanup_mrmw_cache(); |
| 234 | ehca_cleanup_av_cache(); |
| 235 | ehca_cleanup_qp_cache(); |
| 236 | ehca_cleanup_cq_cache(); |
| 237 | ehca_cleanup_pd_cache(); |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 238 | #ifdef CONFIG_PPC_64K_PAGES |
| 239 | if (ctblk_cache) |
| 240 | kmem_cache_destroy(ctblk_cache); |
| 241 | #endif |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 242 | } |
| 243 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 244 | #define EHCA_HCAAVER EHCA_BMASK_IBM(32, 39) |
| 245 | #define EHCA_REVID EHCA_BMASK_IBM(40, 63) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 246 | |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 247 | static struct cap_descr { |
| 248 | u64 mask; |
| 249 | char *descr; |
| 250 | } hca_cap_descr[] = { |
| 251 | { HCA_CAP_AH_PORT_NR_CHECK, "HCA_CAP_AH_PORT_NR_CHECK" }, |
| 252 | { HCA_CAP_ATOMIC, "HCA_CAP_ATOMIC" }, |
| 253 | { HCA_CAP_AUTO_PATH_MIG, "HCA_CAP_AUTO_PATH_MIG" }, |
| 254 | { HCA_CAP_BAD_P_KEY_CTR, "HCA_CAP_BAD_P_KEY_CTR" }, |
| 255 | { HCA_CAP_SQD_RTS_PORT_CHANGE, "HCA_CAP_SQD_RTS_PORT_CHANGE" }, |
| 256 | { HCA_CAP_CUR_QP_STATE_MOD, "HCA_CAP_CUR_QP_STATE_MOD" }, |
| 257 | { HCA_CAP_INIT_TYPE, "HCA_CAP_INIT_TYPE" }, |
| 258 | { HCA_CAP_PORT_ACTIVE_EVENT, "HCA_CAP_PORT_ACTIVE_EVENT" }, |
| 259 | { HCA_CAP_Q_KEY_VIOL_CTR, "HCA_CAP_Q_KEY_VIOL_CTR" }, |
| 260 | { HCA_CAP_WQE_RESIZE, "HCA_CAP_WQE_RESIZE" }, |
| 261 | { HCA_CAP_RAW_PACKET_MCAST, "HCA_CAP_RAW_PACKET_MCAST" }, |
| 262 | { HCA_CAP_SHUTDOWN_PORT, "HCA_CAP_SHUTDOWN_PORT" }, |
| 263 | { HCA_CAP_RC_LL_QP, "HCA_CAP_RC_LL_QP" }, |
| 264 | { HCA_CAP_SRQ, "HCA_CAP_SRQ" }, |
| 265 | { HCA_CAP_UD_LL_QP, "HCA_CAP_UD_LL_QP" }, |
| 266 | { HCA_CAP_RESIZE_MR, "HCA_CAP_RESIZE_MR" }, |
| 267 | { HCA_CAP_MINI_QP, "HCA_CAP_MINI_QP" }, |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 268 | { HCA_CAP_H_ALLOC_RES_SYNC, "HCA_CAP_H_ALLOC_RES_SYNC" }, |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 269 | }; |
| 270 | |
Joachim Fenkes | abc39d3 | 2007-10-16 17:31:14 +0200 | [diff] [blame] | 271 | static int ehca_sense_attributes(struct ehca_shca *shca) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 272 | { |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 273 | int i, ret = 0; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 274 | u64 h_ret; |
| 275 | struct hipz_query_hca *rblock; |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 276 | struct hipz_query_port *port; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 277 | |
Joachim Fenkes | abc39d3 | 2007-10-16 17:31:14 +0200 | [diff] [blame] | 278 | static const u32 pgsize_map[] = { |
| 279 | HCA_CAP_MR_PGSIZE_4K, 0x1000, |
| 280 | HCA_CAP_MR_PGSIZE_64K, 0x10000, |
| 281 | HCA_CAP_MR_PGSIZE_1M, 0x100000, |
| 282 | HCA_CAP_MR_PGSIZE_16M, 0x1000000, |
| 283 | }; |
| 284 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 285 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 286 | if (!rblock) { |
| 287 | ehca_gen_err("Cannot allocate rblock memory."); |
| 288 | return -ENOMEM; |
| 289 | } |
| 290 | |
| 291 | h_ret = hipz_h_query_hca(shca->ipz_hca_handle, rblock); |
| 292 | if (h_ret != H_SUCCESS) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 293 | ehca_gen_err("Cannot query device properties. h_ret=%li", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 294 | h_ret); |
| 295 | ret = -EPERM; |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 296 | goto sense_attributes1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | if (ehca_nr_ports == 1) |
| 300 | shca->num_ports = 1; |
| 301 | else |
| 302 | shca->num_ports = (u8)rblock->num_ports; |
| 303 | |
| 304 | ehca_gen_dbg(" ... found %x ports", rblock->num_ports); |
| 305 | |
| 306 | if (ehca_hw_level == 0) { |
| 307 | u32 hcaaver; |
| 308 | u32 revid; |
| 309 | |
| 310 | hcaaver = EHCA_BMASK_GET(EHCA_HCAAVER, rblock->hw_ver); |
| 311 | revid = EHCA_BMASK_GET(EHCA_REVID, rblock->hw_ver); |
| 312 | |
| 313 | ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid); |
| 314 | |
Joachim Fenkes | fbb9318 | 2007-07-12 17:47:45 +0200 | [diff] [blame] | 315 | if (hcaaver == 1) { |
| 316 | if (revid <= 3) |
| 317 | shca->hw_level = 0x10 | (revid + 1); |
| 318 | else |
| 319 | shca->hw_level = 0x14; |
| 320 | } else if (hcaaver == 2) { |
| 321 | if (revid == 0) |
| 322 | shca->hw_level = 0x21; |
| 323 | else if (revid == 0x10) |
| 324 | shca->hw_level = 0x22; |
| 325 | else if (revid == 0x20 || revid == 0x21) |
| 326 | shca->hw_level = 0x23; |
| 327 | } |
| 328 | |
| 329 | if (!shca->hw_level) { |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 330 | ehca_gen_warn("unknown hardware version" |
| 331 | " - assuming default level"); |
| 332 | shca->hw_level = 0x22; |
| 333 | } |
Joachim Fenkes | fbb9318 | 2007-07-12 17:47:45 +0200 | [diff] [blame] | 334 | } else |
| 335 | shca->hw_level = ehca_hw_level; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 336 | ehca_gen_dbg(" ... hardware level=%x", shca->hw_level); |
| 337 | |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 338 | shca->hca_cap = rblock->hca_cap_indicators; |
| 339 | ehca_gen_dbg(" ... HCA capabilities:"); |
| 340 | for (i = 0; i < ARRAY_SIZE(hca_cap_descr); i++) |
| 341 | if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap)) |
| 342 | ehca_gen_dbg(" %s", hca_cap_descr[i].descr); |
| 343 | |
Joachim Fenkes | 4faf775 | 2007-12-10 18:59:10 +0100 | [diff] [blame] | 344 | /* Autodetect hCall locking -- the "H_ALLOC_RESOURCE synced" flag is |
| 345 | * a firmware property, so it's valid across all adapters |
| 346 | */ |
| 347 | if (ehca_lock_hcalls == -1) |
| 348 | ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC); |
| 349 | |
Joachim Fenkes | abc39d3 | 2007-10-16 17:31:14 +0200 | [diff] [blame] | 350 | /* translate supported MR page sizes; always support 4K */ |
| 351 | shca->hca_cap_mr_pgsize = EHCA_PAGESIZE; |
| 352 | if (ehca_mr_largepage) { /* support extra sizes only if enabled */ |
| 353 | for (i = 0; i < ARRAY_SIZE(pgsize_map); i += 2) |
| 354 | if (rblock->memory_page_size_supported & pgsize_map[i]) |
| 355 | shca->hca_cap_mr_pgsize |= pgsize_map[i + 1]; |
| 356 | } |
Hoang-Nam Nguyen | 5bb7d92 | 2007-07-20 16:01:51 +0200 | [diff] [blame] | 357 | |
Joachim Fenkes | abc39d3 | 2007-10-16 17:31:14 +0200 | [diff] [blame] | 358 | /* query max MTU from first port -- it's the same for all ports */ |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 359 | port = (struct hipz_query_port *)rblock; |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 360 | h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port); |
| 361 | if (h_ret != H_SUCCESS) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 362 | ehca_gen_err("Cannot query port properties. h_ret=%li", |
Joachim Fenkes | 91f13aa | 2007-07-09 15:21:45 +0200 | [diff] [blame] | 363 | h_ret); |
| 364 | ret = -EPERM; |
| 365 | goto sense_attributes1; |
| 366 | } |
| 367 | |
| 368 | shca->max_mtu = port->max_mtu; |
| 369 | |
| 370 | sense_attributes1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 371 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 372 | return ret; |
| 373 | } |
| 374 | |
| 375 | static int init_node_guid(struct ehca_shca *shca) |
| 376 | { |
| 377 | int ret = 0; |
| 378 | struct hipz_query_hca *rblock; |
| 379 | |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 380 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 381 | if (!rblock) { |
| 382 | ehca_err(&shca->ib_device, "Can't allocate rblock memory."); |
| 383 | return -ENOMEM; |
| 384 | } |
| 385 | |
| 386 | if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) { |
| 387 | ehca_err(&shca->ib_device, "Can't query device properties"); |
| 388 | ret = -EINVAL; |
| 389 | goto init_node_guid1; |
| 390 | } |
| 391 | |
| 392 | memcpy(&shca->ib_device.node_guid, &rblock->node_guid, sizeof(u64)); |
| 393 | |
| 394 | init_node_guid1: |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 395 | ehca_free_fw_ctrlblock(rblock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 396 | return ret; |
| 397 | } |
| 398 | |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 399 | int ehca_init_device(struct ehca_shca *shca) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 400 | { |
| 401 | int ret; |
| 402 | |
| 403 | ret = init_node_guid(shca); |
| 404 | if (ret) |
| 405 | return ret; |
| 406 | |
| 407 | strlcpy(shca->ib_device.name, "ehca%d", IB_DEVICE_NAME_MAX); |
| 408 | shca->ib_device.owner = THIS_MODULE; |
| 409 | |
Stefan Roscher | 5281a4b | 2007-09-11 15:29:39 +0200 | [diff] [blame] | 410 | shca->ib_device.uverbs_abi_ver = 8; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 411 | shca->ib_device.uverbs_cmd_mask = |
| 412 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | |
| 413 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | |
| 414 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | |
| 415 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | |
| 416 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | |
| 417 | (1ull << IB_USER_VERBS_CMD_REG_MR) | |
| 418 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
| 419 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | |
| 420 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | |
| 421 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
| 422 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | |
| 423 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | |
| 424 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
| 425 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
| 426 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | |
| 427 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST); |
| 428 | |
Tom Tucker | 07ebafb | 2006-08-03 16:02:42 -0500 | [diff] [blame] | 429 | shca->ib_device.node_type = RDMA_NODE_IB_CA; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 430 | shca->ib_device.phys_port_cnt = shca->num_ports; |
Michael S. Tsirkin | f4fd0b2 | 2007-05-03 13:48:47 +0300 | [diff] [blame] | 431 | shca->ib_device.num_comp_vectors = 1; |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 432 | shca->ib_device.dma_device = &shca->ofdev->dev; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 433 | shca->ib_device.query_device = ehca_query_device; |
| 434 | shca->ib_device.query_port = ehca_query_port; |
| 435 | shca->ib_device.query_gid = ehca_query_gid; |
| 436 | shca->ib_device.query_pkey = ehca_query_pkey; |
| 437 | /* shca->in_device.modify_device = ehca_modify_device */ |
| 438 | shca->ib_device.modify_port = ehca_modify_port; |
| 439 | shca->ib_device.alloc_ucontext = ehca_alloc_ucontext; |
| 440 | shca->ib_device.dealloc_ucontext = ehca_dealloc_ucontext; |
| 441 | shca->ib_device.alloc_pd = ehca_alloc_pd; |
| 442 | shca->ib_device.dealloc_pd = ehca_dealloc_pd; |
| 443 | shca->ib_device.create_ah = ehca_create_ah; |
| 444 | /* shca->ib_device.modify_ah = ehca_modify_ah; */ |
| 445 | shca->ib_device.query_ah = ehca_query_ah; |
| 446 | shca->ib_device.destroy_ah = ehca_destroy_ah; |
| 447 | shca->ib_device.create_qp = ehca_create_qp; |
| 448 | shca->ib_device.modify_qp = ehca_modify_qp; |
| 449 | shca->ib_device.query_qp = ehca_query_qp; |
| 450 | shca->ib_device.destroy_qp = ehca_destroy_qp; |
| 451 | shca->ib_device.post_send = ehca_post_send; |
| 452 | shca->ib_device.post_recv = ehca_post_recv; |
| 453 | shca->ib_device.create_cq = ehca_create_cq; |
| 454 | shca->ib_device.destroy_cq = ehca_destroy_cq; |
| 455 | shca->ib_device.resize_cq = ehca_resize_cq; |
| 456 | shca->ib_device.poll_cq = ehca_poll_cq; |
| 457 | /* shca->ib_device.peek_cq = ehca_peek_cq; */ |
| 458 | shca->ib_device.req_notify_cq = ehca_req_notify_cq; |
| 459 | /* shca->ib_device.req_ncomp_notif = ehca_req_ncomp_notif; */ |
| 460 | shca->ib_device.get_dma_mr = ehca_get_dma_mr; |
| 461 | shca->ib_device.reg_phys_mr = ehca_reg_phys_mr; |
| 462 | shca->ib_device.reg_user_mr = ehca_reg_user_mr; |
| 463 | shca->ib_device.query_mr = ehca_query_mr; |
| 464 | shca->ib_device.dereg_mr = ehca_dereg_mr; |
| 465 | shca->ib_device.rereg_phys_mr = ehca_rereg_phys_mr; |
| 466 | shca->ib_device.alloc_mw = ehca_alloc_mw; |
| 467 | shca->ib_device.bind_mw = ehca_bind_mw; |
| 468 | shca->ib_device.dealloc_mw = ehca_dealloc_mw; |
| 469 | shca->ib_device.alloc_fmr = ehca_alloc_fmr; |
| 470 | shca->ib_device.map_phys_fmr = ehca_map_phys_fmr; |
| 471 | shca->ib_device.unmap_fmr = ehca_unmap_fmr; |
| 472 | shca->ib_device.dealloc_fmr = ehca_dealloc_fmr; |
| 473 | shca->ib_device.attach_mcast = ehca_attach_mcast; |
| 474 | shca->ib_device.detach_mcast = ehca_detach_mcast; |
| 475 | /* shca->ib_device.process_mad = ehca_process_mad; */ |
| 476 | shca->ib_device.mmap = ehca_mmap; |
| 477 | |
Joachim Fenkes | a6a1294 | 2007-07-09 15:25:10 +0200 | [diff] [blame] | 478 | if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { |
| 479 | shca->ib_device.uverbs_cmd_mask |= |
| 480 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | |
| 481 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | |
| 482 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
| 483 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); |
| 484 | |
| 485 | shca->ib_device.create_srq = ehca_create_srq; |
| 486 | shca->ib_device.modify_srq = ehca_modify_srq; |
| 487 | shca->ib_device.query_srq = ehca_query_srq; |
| 488 | shca->ib_device.destroy_srq = ehca_destroy_srq; |
| 489 | shca->ib_device.post_srq_recv = ehca_post_srq_recv; |
| 490 | } |
| 491 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 492 | return ret; |
| 493 | } |
| 494 | |
| 495 | static int ehca_create_aqp1(struct ehca_shca *shca, u32 port) |
| 496 | { |
| 497 | struct ehca_sport *sport = &shca->sport[port - 1]; |
| 498 | struct ib_cq *ibcq; |
| 499 | struct ib_qp *ibqp; |
| 500 | struct ib_qp_init_attr qp_init_attr; |
| 501 | int ret; |
| 502 | |
| 503 | if (sport->ibcq_aqp1) { |
| 504 | ehca_err(&shca->ib_device, "AQP1 CQ is already created."); |
| 505 | return -EPERM; |
| 506 | } |
| 507 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 508 | ibcq = ib_create_cq(&shca->ib_device, NULL, NULL, (void *)(-1), 10, 0); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 509 | if (IS_ERR(ibcq)) { |
| 510 | ehca_err(&shca->ib_device, "Cannot create AQP1 CQ."); |
| 511 | return PTR_ERR(ibcq); |
| 512 | } |
| 513 | sport->ibcq_aqp1 = ibcq; |
| 514 | |
Hoang-Nam Nguyen | b8b50e3 | 2008-01-17 15:04:32 +0100 | [diff] [blame] | 515 | if (sport->ibqp_sqp[IB_QPT_GSI]) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 516 | ehca_err(&shca->ib_device, "AQP1 QP is already created."); |
| 517 | ret = -EPERM; |
| 518 | goto create_aqp1; |
| 519 | } |
| 520 | |
| 521 | memset(&qp_init_attr, 0, sizeof(struct ib_qp_init_attr)); |
| 522 | qp_init_attr.send_cq = ibcq; |
| 523 | qp_init_attr.recv_cq = ibcq; |
| 524 | qp_init_attr.sq_sig_type = IB_SIGNAL_ALL_WR; |
| 525 | qp_init_attr.cap.max_send_wr = 100; |
| 526 | qp_init_attr.cap.max_recv_wr = 100; |
| 527 | qp_init_attr.cap.max_send_sge = 2; |
| 528 | qp_init_attr.cap.max_recv_sge = 1; |
| 529 | qp_init_attr.qp_type = IB_QPT_GSI; |
| 530 | qp_init_attr.port_num = port; |
| 531 | qp_init_attr.qp_context = NULL; |
| 532 | qp_init_attr.event_handler = NULL; |
| 533 | qp_init_attr.srq = NULL; |
| 534 | |
| 535 | ibqp = ib_create_qp(&shca->pd->ib_pd, &qp_init_attr); |
| 536 | if (IS_ERR(ibqp)) { |
| 537 | ehca_err(&shca->ib_device, "Cannot create AQP1 QP."); |
| 538 | ret = PTR_ERR(ibqp); |
| 539 | goto create_aqp1; |
| 540 | } |
Hoang-Nam Nguyen | b8b50e3 | 2008-01-17 15:04:32 +0100 | [diff] [blame] | 541 | sport->ibqp_sqp[IB_QPT_GSI] = ibqp; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 542 | |
| 543 | return 0; |
| 544 | |
| 545 | create_aqp1: |
| 546 | ib_destroy_cq(sport->ibcq_aqp1); |
| 547 | return ret; |
| 548 | } |
| 549 | |
| 550 | static int ehca_destroy_aqp1(struct ehca_sport *sport) |
| 551 | { |
| 552 | int ret; |
| 553 | |
Hoang-Nam Nguyen | b8b50e3 | 2008-01-17 15:04:32 +0100 | [diff] [blame] | 554 | ret = ib_destroy_qp(sport->ibqp_sqp[IB_QPT_GSI]); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 555 | if (ret) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 556 | ehca_gen_err("Cannot destroy AQP1 QP. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 557 | return ret; |
| 558 | } |
| 559 | |
| 560 | ret = ib_destroy_cq(sport->ibcq_aqp1); |
| 561 | if (ret) |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 562 | ehca_gen_err("Cannot destroy AQP1 CQ. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 563 | |
| 564 | return ret; |
| 565 | } |
| 566 | |
| 567 | static ssize_t ehca_show_debug_level(struct device_driver *ddp, char *buf) |
| 568 | { |
Hoang-Nam Nguyen | 78d8d5f | 2007-02-15 17:06:33 +0100 | [diff] [blame] | 569 | return snprintf(buf, PAGE_SIZE, "%d\n", |
| 570 | ehca_debug_level); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | static ssize_t ehca_store_debug_level(struct device_driver *ddp, |
| 574 | const char *buf, size_t count) |
| 575 | { |
| 576 | int value = (*buf) - '0'; |
| 577 | if (value >= 0 && value <= 9) |
| 578 | ehca_debug_level = value; |
| 579 | return 1; |
| 580 | } |
| 581 | |
| 582 | DRIVER_ATTR(debug_level, S_IRUSR | S_IWUSR, |
| 583 | ehca_show_debug_level, ehca_store_debug_level); |
| 584 | |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 585 | static struct attribute *ehca_drv_attrs[] = { |
| 586 | &driver_attr_debug_level.attr, |
| 587 | NULL |
| 588 | }; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 589 | |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 590 | static struct attribute_group ehca_drv_attr_grp = { |
| 591 | .attrs = ehca_drv_attrs |
| 592 | }; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 593 | |
Greg Kroah-Hartman | 23b9c1a | 2007-12-04 22:53:16 -0800 | [diff] [blame] | 594 | static struct attribute_group *ehca_drv_attr_groups[] = { |
| 595 | &ehca_drv_attr_grp, |
| 596 | NULL, |
| 597 | }; |
| 598 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 599 | #define EHCA_RESOURCE_ATTR(name) \ |
| 600 | static ssize_t ehca_show_##name(struct device *dev, \ |
| 601 | struct device_attribute *attr, \ |
| 602 | char *buf) \ |
| 603 | { \ |
| 604 | struct ehca_shca *shca; \ |
| 605 | struct hipz_query_hca *rblock; \ |
| 606 | int data; \ |
| 607 | \ |
| 608 | shca = dev->driver_data; \ |
| 609 | \ |
Hoang-Nam Nguyen | f2d9136 | 2007-01-09 18:04:14 +0100 | [diff] [blame] | 610 | rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); \ |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 611 | if (!rblock) { \ |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 612 | dev_err(dev, "Can't allocate rblock memory.\n"); \ |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 613 | return 0; \ |
| 614 | } \ |
| 615 | \ |
| 616 | if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) { \ |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 617 | dev_err(dev, "Can't query device properties\n"); \ |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 618 | ehca_free_fw_ctrlblock(rblock); \ |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 619 | return 0; \ |
| 620 | } \ |
| 621 | \ |
| 622 | data = rblock->name; \ |
Hoang-Nam Nguyen | 7e28db5 | 2006-11-07 00:56:39 +0100 | [diff] [blame] | 623 | ehca_free_fw_ctrlblock(rblock); \ |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 624 | \ |
| 625 | if ((strcmp(#name, "num_ports") == 0) && (ehca_nr_ports == 1)) \ |
| 626 | return snprintf(buf, 256, "1\n"); \ |
| 627 | else \ |
| 628 | return snprintf(buf, 256, "%d\n", data); \ |
| 629 | \ |
| 630 | } \ |
| 631 | static DEVICE_ATTR(name, S_IRUGO, ehca_show_##name, NULL); |
| 632 | |
| 633 | EHCA_RESOURCE_ATTR(num_ports); |
| 634 | EHCA_RESOURCE_ATTR(hw_ver); |
| 635 | EHCA_RESOURCE_ATTR(max_eq); |
| 636 | EHCA_RESOURCE_ATTR(cur_eq); |
| 637 | EHCA_RESOURCE_ATTR(max_cq); |
| 638 | EHCA_RESOURCE_ATTR(cur_cq); |
| 639 | EHCA_RESOURCE_ATTR(max_qp); |
| 640 | EHCA_RESOURCE_ATTR(cur_qp); |
| 641 | EHCA_RESOURCE_ATTR(max_mr); |
| 642 | EHCA_RESOURCE_ATTR(cur_mr); |
| 643 | EHCA_RESOURCE_ATTR(max_mw); |
| 644 | EHCA_RESOURCE_ATTR(cur_mw); |
| 645 | EHCA_RESOURCE_ATTR(max_pd); |
| 646 | EHCA_RESOURCE_ATTR(max_ah); |
| 647 | |
| 648 | static ssize_t ehca_show_adapter_handle(struct device *dev, |
| 649 | struct device_attribute *attr, |
| 650 | char *buf) |
| 651 | { |
| 652 | struct ehca_shca *shca = dev->driver_data; |
| 653 | |
| 654 | return sprintf(buf, "%lx\n", shca->ipz_hca_handle.handle); |
| 655 | |
| 656 | } |
| 657 | static DEVICE_ATTR(adapter_handle, S_IRUGO, ehca_show_adapter_handle, NULL); |
| 658 | |
Hoang-Nam Nguyen | 5bb7d92 | 2007-07-20 16:01:51 +0200 | [diff] [blame] | 659 | static ssize_t ehca_show_mr_largepage(struct device *dev, |
| 660 | struct device_attribute *attr, |
| 661 | char *buf) |
| 662 | { |
| 663 | return sprintf(buf, "%d\n", ehca_mr_largepage); |
| 664 | } |
| 665 | static DEVICE_ATTR(mr_largepage, S_IRUGO, ehca_show_mr_largepage, NULL); |
| 666 | |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 667 | static struct attribute *ehca_dev_attrs[] = { |
| 668 | &dev_attr_adapter_handle.attr, |
| 669 | &dev_attr_num_ports.attr, |
| 670 | &dev_attr_hw_ver.attr, |
| 671 | &dev_attr_max_eq.attr, |
| 672 | &dev_attr_cur_eq.attr, |
| 673 | &dev_attr_max_cq.attr, |
| 674 | &dev_attr_cur_cq.attr, |
| 675 | &dev_attr_max_qp.attr, |
| 676 | &dev_attr_cur_qp.attr, |
| 677 | &dev_attr_max_mr.attr, |
| 678 | &dev_attr_cur_mr.attr, |
| 679 | &dev_attr_max_mw.attr, |
| 680 | &dev_attr_cur_mw.attr, |
| 681 | &dev_attr_max_pd.attr, |
| 682 | &dev_attr_max_ah.attr, |
Hoang-Nam Nguyen | 5bb7d92 | 2007-07-20 16:01:51 +0200 | [diff] [blame] | 683 | &dev_attr_mr_largepage.attr, |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 684 | NULL |
| 685 | }; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 686 | |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 687 | static struct attribute_group ehca_dev_attr_grp = { |
| 688 | .attrs = ehca_dev_attrs |
| 689 | }; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 690 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 691 | static int __devinit ehca_probe(struct of_device *dev, |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 692 | const struct of_device_id *id) |
| 693 | { |
| 694 | struct ehca_shca *shca; |
Stephen Rothwell | a7edd0e | 2007-04-03 10:52:17 +1000 | [diff] [blame] | 695 | const u64 *handle; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 696 | struct ib_pd *ibpd; |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 697 | int ret, i; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 698 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 699 | handle = of_get_property(dev->node, "ibm,hca-handle", NULL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 700 | if (!handle) { |
| 701 | ehca_gen_err("Cannot get eHCA handle for adapter: %s.", |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 702 | dev->node->full_name); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 703 | return -ENODEV; |
| 704 | } |
| 705 | |
| 706 | if (!(*handle)) { |
| 707 | ehca_gen_err("Wrong eHCA handle for adapter: %s.", |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 708 | dev->node->full_name); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 709 | return -ENODEV; |
| 710 | } |
| 711 | |
| 712 | shca = (struct ehca_shca *)ib_alloc_device(sizeof(*shca)); |
| 713 | if (!shca) { |
| 714 | ehca_gen_err("Cannot allocate shca memory."); |
| 715 | return -ENOMEM; |
| 716 | } |
Joachim Fenkes | c4ed790 | 2007-04-24 17:44:31 +0200 | [diff] [blame] | 717 | mutex_init(&shca->modify_mutex); |
Hoang-Nam Nguyen | bbdd267 | 2008-01-17 15:05:45 +0100 | [diff] [blame] | 718 | for (i = 0; i < ARRAY_SIZE(shca->sport); i++) |
| 719 | spin_lock_init(&shca->sport[i].mod_sqp_lock); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 720 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 721 | shca->ofdev = dev; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 722 | shca->ipz_hca_handle.handle = *handle; |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 723 | dev->dev.driver_data = shca; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 724 | |
| 725 | ret = ehca_sense_attributes(shca); |
| 726 | if (ret < 0) { |
| 727 | ehca_gen_err("Cannot sense eHCA attributes."); |
| 728 | goto probe1; |
| 729 | } |
| 730 | |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 731 | ret = ehca_init_device(shca); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 732 | if (ret) { |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 733 | ehca_gen_err("Cannot init ehca device struct"); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 734 | goto probe1; |
| 735 | } |
| 736 | |
| 737 | /* create event queues */ |
| 738 | ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, 2048); |
| 739 | if (ret) { |
| 740 | ehca_err(&shca->ib_device, "Cannot create EQ."); |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 741 | goto probe1; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | ret = ehca_create_eq(shca, &shca->neq, EHCA_NEQ, 513); |
| 745 | if (ret) { |
| 746 | ehca_err(&shca->ib_device, "Cannot create NEQ."); |
| 747 | goto probe3; |
| 748 | } |
| 749 | |
| 750 | /* create internal protection domain */ |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 751 | ibpd = ehca_alloc_pd(&shca->ib_device, (void *)(-1), NULL); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 752 | if (IS_ERR(ibpd)) { |
| 753 | ehca_err(&shca->ib_device, "Cannot create internal PD."); |
| 754 | ret = PTR_ERR(ibpd); |
| 755 | goto probe4; |
| 756 | } |
| 757 | |
| 758 | shca->pd = container_of(ibpd, struct ehca_pd, ib_pd); |
| 759 | shca->pd->ib_pd.device = &shca->ib_device; |
| 760 | |
| 761 | /* create internal max MR */ |
| 762 | ret = ehca_reg_internal_maxmr(shca, shca->pd, &shca->maxmr); |
| 763 | |
| 764 | if (ret) { |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 765 | ehca_err(&shca->ib_device, "Cannot create internal MR ret=%i", |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 766 | ret); |
| 767 | goto probe5; |
| 768 | } |
| 769 | |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 770 | ret = ib_register_device(&shca->ib_device); |
| 771 | if (ret) { |
| 772 | ehca_err(&shca->ib_device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 773 | "ib_register_device() failed ret=%i", ret); |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 774 | goto probe6; |
| 775 | } |
| 776 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 777 | /* create AQP1 for port 1 */ |
| 778 | if (ehca_open_aqp1 == 1) { |
| 779 | shca->sport[0].port_state = IB_PORT_DOWN; |
| 780 | ret = ehca_create_aqp1(shca, 1); |
| 781 | if (ret) { |
| 782 | ehca_err(&shca->ib_device, |
| 783 | "Cannot create AQP1 for port 1."); |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 784 | goto probe7; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 785 | } |
| 786 | } |
| 787 | |
| 788 | /* create AQP1 for port 2 */ |
| 789 | if ((ehca_open_aqp1 == 1) && (shca->num_ports == 2)) { |
| 790 | shca->sport[1].port_state = IB_PORT_DOWN; |
| 791 | ret = ehca_create_aqp1(shca, 2); |
| 792 | if (ret) { |
| 793 | ehca_err(&shca->ib_device, |
| 794 | "Cannot create AQP1 for port 2."); |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 795 | goto probe8; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 796 | } |
| 797 | } |
| 798 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 799 | ret = sysfs_create_group(&dev->dev.kobj, &ehca_dev_attr_grp); |
Joachim Fenkes | bba9b60 | 2007-05-09 13:48:25 +0200 | [diff] [blame] | 800 | if (ret) /* only complain; we can live without attributes */ |
| 801 | ehca_err(&shca->ib_device, |
| 802 | "Cannot create device attributes ret=%d", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 803 | |
| 804 | spin_lock(&shca_list_lock); |
| 805 | list_add(&shca->shca_list, &shca_list); |
| 806 | spin_unlock(&shca_list_lock); |
| 807 | |
| 808 | return 0; |
| 809 | |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 810 | probe8: |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 811 | ret = ehca_destroy_aqp1(&shca->sport[0]); |
| 812 | if (ret) |
| 813 | ehca_err(&shca->ib_device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 814 | "Cannot destroy AQP1 for port 1. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 815 | |
Hoang-Nam Nguyen | 0f248d9 | 2006-10-02 14:52:17 -0700 | [diff] [blame] | 816 | probe7: |
| 817 | ib_unregister_device(&shca->ib_device); |
| 818 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 819 | probe6: |
| 820 | ret = ehca_dereg_internal_maxmr(shca); |
| 821 | if (ret) |
| 822 | ehca_err(&shca->ib_device, |
| 823 | "Cannot destroy internal MR. ret=%x", ret); |
| 824 | |
| 825 | probe5: |
| 826 | ret = ehca_dealloc_pd(&shca->pd->ib_pd); |
| 827 | if (ret) |
| 828 | ehca_err(&shca->ib_device, |
| 829 | "Cannot destroy internal PD. ret=%x", ret); |
| 830 | |
| 831 | probe4: |
| 832 | ret = ehca_destroy_eq(shca, &shca->neq); |
| 833 | if (ret) |
| 834 | ehca_err(&shca->ib_device, |
| 835 | "Cannot destroy NEQ. ret=%x", ret); |
| 836 | |
| 837 | probe3: |
| 838 | ret = ehca_destroy_eq(shca, &shca->eq); |
| 839 | if (ret) |
| 840 | ehca_err(&shca->ib_device, |
| 841 | "Cannot destroy EQ. ret=%x", ret); |
| 842 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 843 | probe1: |
| 844 | ib_dealloc_device(&shca->ib_device); |
| 845 | |
| 846 | return -EINVAL; |
| 847 | } |
| 848 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 849 | static int __devexit ehca_remove(struct of_device *dev) |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 850 | { |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 851 | struct ehca_shca *shca = dev->dev.driver_data; |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 852 | int ret; |
| 853 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 854 | sysfs_remove_group(&dev->dev.kobj, &ehca_dev_attr_grp); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 855 | |
| 856 | if (ehca_open_aqp1 == 1) { |
| 857 | int i; |
| 858 | for (i = 0; i < shca->num_ports; i++) { |
| 859 | ret = ehca_destroy_aqp1(&shca->sport[i]); |
| 860 | if (ret) |
| 861 | ehca_err(&shca->ib_device, |
| 862 | "Cannot destroy AQP1 for port %x " |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 863 | "ret=%i", ret, i); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 864 | } |
| 865 | } |
| 866 | |
| 867 | ib_unregister_device(&shca->ib_device); |
| 868 | |
| 869 | ret = ehca_dereg_internal_maxmr(shca); |
| 870 | if (ret) |
| 871 | ehca_err(&shca->ib_device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 872 | "Cannot destroy internal MR. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 873 | |
| 874 | ret = ehca_dealloc_pd(&shca->pd->ib_pd); |
| 875 | if (ret) |
| 876 | ehca_err(&shca->ib_device, |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 877 | "Cannot destroy internal PD. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 878 | |
| 879 | ret = ehca_destroy_eq(shca, &shca->eq); |
| 880 | if (ret) |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 881 | ehca_err(&shca->ib_device, "Cannot destroy EQ. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 882 | |
| 883 | ret = ehca_destroy_eq(shca, &shca->neq); |
| 884 | if (ret) |
Joachim Fenkes | e372219 | 2007-09-11 15:32:22 +0200 | [diff] [blame] | 885 | ehca_err(&shca->ib_device, "Canot destroy NEQ. ret=%i", ret); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 886 | |
| 887 | ib_dealloc_device(&shca->ib_device); |
| 888 | |
| 889 | spin_lock(&shca_list_lock); |
| 890 | list_del(&shca->shca_list); |
| 891 | spin_unlock(&shca_list_lock); |
| 892 | |
| 893 | return ret; |
| 894 | } |
| 895 | |
| 896 | static struct of_device_id ehca_device_table[] = |
| 897 | { |
| 898 | { |
| 899 | .name = "lhca", |
| 900 | .compatible = "IBM,lhca", |
| 901 | }, |
| 902 | {}, |
| 903 | }; |
| 904 | |
Joachim Fenkes | 6b08f3a | 2007-09-26 19:45:51 +1000 | [diff] [blame] | 905 | static struct of_platform_driver ehca_driver = { |
| 906 | .name = "ehca", |
| 907 | .match_table = ehca_device_table, |
| 908 | .probe = ehca_probe, |
| 909 | .remove = ehca_remove, |
Greg Kroah-Hartman | 23b9c1a | 2007-12-04 22:53:16 -0800 | [diff] [blame] | 910 | .driver = { |
| 911 | .groups = ehca_drv_attr_groups, |
| 912 | }, |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 913 | }; |
| 914 | |
| 915 | void ehca_poll_eqs(unsigned long data) |
| 916 | { |
| 917 | struct ehca_shca *shca; |
| 918 | |
| 919 | spin_lock(&shca_list_lock); |
| 920 | list_for_each_entry(shca, &shca_list, shca_list) { |
Hoang-Nam Nguyen | 78d8d5f | 2007-02-15 17:06:33 +0100 | [diff] [blame] | 921 | if (shca->eq.is_initialized) { |
| 922 | /* call deadman proc only if eq ptr does not change */ |
| 923 | struct ehca_eq *eq = &shca->eq; |
| 924 | int max = 3; |
| 925 | volatile u64 q_ofs, q_ofs2; |
| 926 | u64 flags; |
| 927 | spin_lock_irqsave(&eq->spinlock, flags); |
| 928 | q_ofs = eq->ipz_queue.current_q_offset; |
| 929 | spin_unlock_irqrestore(&eq->spinlock, flags); |
| 930 | do { |
| 931 | spin_lock_irqsave(&eq->spinlock, flags); |
| 932 | q_ofs2 = eq->ipz_queue.current_q_offset; |
| 933 | spin_unlock_irqrestore(&eq->spinlock, flags); |
| 934 | max--; |
| 935 | } while (q_ofs == q_ofs2 && max > 0); |
| 936 | if (q_ofs == q_ofs2) |
| 937 | ehca_process_eq(shca, 0); |
| 938 | } |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 939 | } |
Anton Blanchard | 1a7d2dc | 2007-10-15 00:49:07 -0500 | [diff] [blame] | 940 | mod_timer(&poll_eqs_timer, round_jiffies(jiffies + HZ)); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 941 | spin_unlock(&shca_list_lock); |
| 942 | } |
| 943 | |
| 944 | int __init ehca_module_init(void) |
| 945 | { |
| 946 | int ret; |
| 947 | |
| 948 | printk(KERN_INFO "eHCA Infiniband Device Driver " |
Joachim Fenkes | 39089e7 | 2007-09-11 15:35:32 +0200 | [diff] [blame] | 949 | "(Version " HCAD_VERSION ")\n"); |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 950 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 951 | ret = ehca_create_comp_pool(); |
| 952 | if (ret) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 953 | ehca_gen_err("Cannot create comp pool."); |
| 954 | return ret; |
| 955 | } |
| 956 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 957 | ret = ehca_create_slab_caches(); |
| 958 | if (ret) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 959 | ehca_gen_err("Cannot create SLAB caches"); |
| 960 | ret = -ENOMEM; |
| 961 | goto module_init1; |
| 962 | } |
| 963 | |
Hoang-Nam Nguyen | 2b94397 | 2007-07-12 17:53:47 +0200 | [diff] [blame] | 964 | ret = ibmebus_register_driver(&ehca_driver); |
| 965 | if (ret) { |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 966 | ehca_gen_err("Cannot register eHCA device driver"); |
| 967 | ret = -EINVAL; |
| 968 | goto module_init2; |
| 969 | } |
| 970 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 971 | if (ehca_poll_all_eqs != 1) { |
| 972 | ehca_gen_err("WARNING!!!"); |
| 973 | ehca_gen_err("It is possible to lose interrupts."); |
| 974 | } else { |
| 975 | init_timer(&poll_eqs_timer); |
| 976 | poll_eqs_timer.function = ehca_poll_eqs; |
| 977 | poll_eqs_timer.expires = jiffies + HZ; |
| 978 | add_timer(&poll_eqs_timer); |
| 979 | } |
| 980 | |
| 981 | return 0; |
| 982 | |
| 983 | module_init2: |
| 984 | ehca_destroy_slab_caches(); |
| 985 | |
| 986 | module_init1: |
| 987 | ehca_destroy_comp_pool(); |
| 988 | return ret; |
| 989 | }; |
| 990 | |
| 991 | void __exit ehca_module_exit(void) |
| 992 | { |
| 993 | if (ehca_poll_all_eqs == 1) |
| 994 | del_timer_sync(&poll_eqs_timer); |
| 995 | |
Heiko J Schick | fab9722 | 2006-09-22 15:22:22 -0700 | [diff] [blame] | 996 | ibmebus_unregister_driver(&ehca_driver); |
| 997 | |
| 998 | ehca_destroy_slab_caches(); |
| 999 | |
| 1000 | ehca_destroy_comp_pool(); |
| 1001 | |
| 1002 | idr_destroy(&ehca_cq_idr); |
| 1003 | idr_destroy(&ehca_qp_idr); |
| 1004 | }; |
| 1005 | |
| 1006 | module_init(ehca_module_init); |
| 1007 | module_exit(ehca_module_exit); |