1219820Sjeff/* 2219820Sjeff * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3219820Sjeff * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4219820Sjeff * Copyright (c) 2005 Mellanox Technologies. All rights reserved. 5219820Sjeff * 6219820Sjeff * This software is available to you under a choice of one of two 7219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 8219820Sjeff * General Public License (GPL) Version 2, available from the file 9219820Sjeff * COPYING in the main directory of this source tree, or the 10219820Sjeff * OpenIB.org BSD license below: 11219820Sjeff * 12219820Sjeff * Redistribution and use in source and binary forms, with or 13219820Sjeff * without modification, are permitted provided that the following 14219820Sjeff * conditions are met: 15219820Sjeff * 16219820Sjeff * - Redistributions of source code must retain the above 17219820Sjeff * copyright notice, this list of conditions and the following 18219820Sjeff * disclaimer. 19219820Sjeff * 20219820Sjeff * - Redistributions in binary form must reproduce the above 21219820Sjeff * copyright notice, this list of conditions and the following 22219820Sjeff * disclaimer in the documentation and/or other materials 23219820Sjeff * provided with the distribution. 24219820Sjeff * 25219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32219820Sjeff * SOFTWARE. 33219820Sjeff */ 34219820Sjeff 35324685Shselasky#define LINUXKPI_PARAM_PREFIX mthca_ 36324685Shselasky 37219820Sjeff#include <linux/module.h> 38219820Sjeff#include <linux/errno.h> 39219820Sjeff#include <linux/pci.h> 40219820Sjeff#include <linux/interrupt.h> 41219820Sjeff 42219820Sjeff#include "mthca_dev.h" 43219820Sjeff#include "mthca_config_reg.h" 44219820Sjeff#include "mthca_cmd.h" 45219820Sjeff#include "mthca_profile.h" 46219820Sjeff#include "mthca_memfree.h" 47219820Sjeff#include "mthca_wqe.h" 48219820Sjeff 49219820SjeffMODULE_AUTHOR("Roland Dreier"); 50219820SjeffMODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver"); 51219820SjeffMODULE_LICENSE("Dual BSD/GPL"); 52219820SjeffMODULE_VERSION(DRV_VERSION); 53219820Sjeff 54219820Sjeff#ifdef CONFIG_INFINIBAND_MTHCA_DEBUG 55219820Sjeff 56219820Sjeffint mthca_debug_level = 0; 57219820Sjeffmodule_param_named(debug_level, mthca_debug_level, int, 0644); 58219820SjeffMODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); 59219820Sjeff 60219820Sjeff#endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ 61219820Sjeff 62219820Sjeff#ifdef CONFIG_PCI_MSI 63219820Sjeff 64219820Sjeffstatic int msi_x = 1; 65219820Sjeffmodule_param(msi_x, int, 0444); 66219820SjeffMODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); 67219820Sjeff 68219820Sjeff#else /* CONFIG_PCI_MSI */ 69219820Sjeff 70219820Sjeff#define msi_x (0) 71219820Sjeff 72219820Sjeff#endif /* CONFIG_PCI_MSI */ 73219820Sjeff 74219820Sjeffstatic int tune_pci = 0; 75219820Sjeffmodule_param(tune_pci, int, 0444); 76219820SjeffMODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero"); 77219820Sjeff 78219820SjeffDEFINE_MUTEX(mthca_device_mutex); 79219820Sjeff 80219820Sjeff#define MTHCA_DEFAULT_NUM_QP (1 << 16) 81219820Sjeff#define MTHCA_DEFAULT_RDB_PER_QP (1 << 2) 82219820Sjeff#define MTHCA_DEFAULT_NUM_CQ (1 << 16) 83219820Sjeff#define MTHCA_DEFAULT_NUM_MCG (1 << 13) 84219820Sjeff#define MTHCA_DEFAULT_NUM_MPT (1 << 17) 85219820Sjeff#define MTHCA_DEFAULT_NUM_MTT (1 << 20) 86219820Sjeff#define MTHCA_DEFAULT_NUM_UDAV (1 << 15) 87219820Sjeff#define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18) 88219820Sjeff#define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18) 89219820Sjeff 90219820Sjeffstatic struct mthca_profile hca_profile = { 91219820Sjeff .num_qp = MTHCA_DEFAULT_NUM_QP, 92219820Sjeff .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP, 93219820Sjeff .num_cq = MTHCA_DEFAULT_NUM_CQ, 94219820Sjeff .num_mcg = MTHCA_DEFAULT_NUM_MCG, 95219820Sjeff .num_mpt = MTHCA_DEFAULT_NUM_MPT, 96219820Sjeff .num_mtt = MTHCA_DEFAULT_NUM_MTT, 97219820Sjeff .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */ 98219820Sjeff .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */ 99219820Sjeff .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */ 100219820Sjeff}; 101219820Sjeff 102219820Sjeffmodule_param_named(num_qp, hca_profile.num_qp, int, 0444); 103219820SjeffMODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA"); 104219820Sjeff 105219820Sjeffmodule_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444); 106219820SjeffMODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP"); 107219820Sjeff 108219820Sjeffmodule_param_named(num_cq, hca_profile.num_cq, int, 0444); 109219820SjeffMODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA"); 110219820Sjeff 111219820Sjeffmodule_param_named(num_mcg, hca_profile.num_mcg, int, 0444); 112219820SjeffMODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA"); 113219820Sjeff 114219820Sjeffmodule_param_named(num_mpt, hca_profile.num_mpt, int, 0444); 115219820SjeffMODULE_PARM_DESC(num_mpt, 116219820Sjeff "maximum number of memory protection table entries per HCA"); 117219820Sjeff 118219820Sjeffmodule_param_named(num_mtt, hca_profile.num_mtt, int, 0444); 119219820SjeffMODULE_PARM_DESC(num_mtt, 120219820Sjeff "maximum number of memory translation table segments per HCA"); 121219820Sjeff 122219820Sjeffmodule_param_named(num_udav, hca_profile.num_udav, int, 0444); 123219820SjeffMODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA"); 124219820Sjeff 125219820Sjeffmodule_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444); 126219820SjeffMODULE_PARM_DESC(fmr_reserved_mtts, 127219820Sjeff "number of memory translation table segments reserved for FMR"); 128219820Sjeff 129219820Sjeffstatic int log_mtts_per_seg; 130219820Sjeffmodule_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); 131219820SjeffMODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); 132219820Sjeff 133219820Sjeffstatic char mthca_version[] __devinitdata = 134219820Sjeff DRV_NAME ": Mellanox InfiniBand HCA driver v" 135219820Sjeff DRV_VERSION " (" DRV_RELDATE ")\n"; 136219820Sjeff 137219820Sjeffstatic int mthca_tune_pci(struct mthca_dev *mdev) 138219820Sjeff{ 139219820Sjeff if (!tune_pci) 140219820Sjeff return 0; 141219820Sjeff 142219820Sjeff /* First try to max out Read Byte Count */ 143219820Sjeff if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) { 144219820Sjeff if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) { 145219820Sjeff mthca_err(mdev, "Couldn't set PCI-X max read count, " 146219820Sjeff "aborting.\n"); 147219820Sjeff return -ENODEV; 148219820Sjeff } 149219820Sjeff } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE)) 150219820Sjeff mthca_info(mdev, "No PCI-X capability, not setting RBC.\n"); 151219820Sjeff 152219820Sjeff if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) { 153219820Sjeff if (pcie_set_readrq(mdev->pdev, 4096)) { 154219820Sjeff mthca_err(mdev, "Couldn't write PCI Express read request, " 155219820Sjeff "aborting.\n"); 156219820Sjeff return -ENODEV; 157219820Sjeff } 158219820Sjeff } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE) 159219820Sjeff mthca_info(mdev, "No PCI Express capability, " 160219820Sjeff "not setting Max Read Request Size.\n"); 161219820Sjeff 162219820Sjeff return 0; 163219820Sjeff} 164219820Sjeff 165219820Sjeffstatic int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) 166219820Sjeff{ 167219820Sjeff int err; 168219820Sjeff u8 status; 169219820Sjeff 170219820Sjeff mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8; 171219820Sjeff err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status); 172219820Sjeff if (err) { 173219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 174219820Sjeff return err; 175219820Sjeff } 176219820Sjeff if (status) { 177219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, " 178219820Sjeff "aborting.\n", status); 179219820Sjeff return -EINVAL; 180219820Sjeff } 181219820Sjeff if (dev_lim->min_page_sz > PAGE_SIZE) { 182219820Sjeff mthca_err(mdev, "HCA minimum page size of %d bigger than " 183219820Sjeff "kernel PAGE_SIZE of %d, aborting.\n", 184219820Sjeff dev_lim->min_page_sz, PAGE_SIZE); 185219820Sjeff return -ENODEV; 186219820Sjeff } 187219820Sjeff if (dev_lim->num_ports > MTHCA_MAX_PORTS) { 188219820Sjeff mthca_err(mdev, "HCA has %d ports, but we only support %d, " 189219820Sjeff "aborting.\n", 190219820Sjeff dev_lim->num_ports, MTHCA_MAX_PORTS); 191219820Sjeff return -ENODEV; 192219820Sjeff } 193219820Sjeff 194219820Sjeff if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) { 195219820Sjeff mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than " 196219820Sjeff "PCI resource 2 size of 0x%llx, aborting.\n", 197219820Sjeff dev_lim->uar_size, 198219820Sjeff (unsigned long long)pci_resource_len(mdev->pdev, 2)); 199219820Sjeff return -ENODEV; 200219820Sjeff } 201219820Sjeff 202219820Sjeff mdev->limits.num_ports = dev_lim->num_ports; 203219820Sjeff mdev->limits.vl_cap = dev_lim->max_vl; 204219820Sjeff mdev->limits.mtu_cap = dev_lim->max_mtu; 205219820Sjeff mdev->limits.gid_table_len = dev_lim->max_gids; 206219820Sjeff mdev->limits.pkey_table_len = dev_lim->max_pkeys; 207219820Sjeff mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; 208219820Sjeff /* 209219820Sjeff * Need to allow for worst case send WQE overhead and check 210219820Sjeff * whether max_desc_sz imposes a lower limit than max_sg; UD 211219820Sjeff * send has the biggest overhead. 212219820Sjeff */ 213219820Sjeff mdev->limits.max_sg = min_t(int, dev_lim->max_sg, 214219820Sjeff (dev_lim->max_desc_sz - 215219820Sjeff sizeof (struct mthca_next_seg) - 216219820Sjeff (mthca_is_memfree(mdev) ? 217219820Sjeff sizeof (struct mthca_arbel_ud_seg) : 218219820Sjeff sizeof (struct mthca_tavor_ud_seg))) / 219219820Sjeff sizeof (struct mthca_data_seg)); 220219820Sjeff mdev->limits.max_wqes = dev_lim->max_qp_sz; 221219820Sjeff mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; 222219820Sjeff mdev->limits.reserved_qps = dev_lim->reserved_qps; 223219820Sjeff mdev->limits.max_srq_wqes = dev_lim->max_srq_sz; 224219820Sjeff mdev->limits.reserved_srqs = dev_lim->reserved_srqs; 225219820Sjeff mdev->limits.reserved_eecs = dev_lim->reserved_eecs; 226219820Sjeff mdev->limits.max_desc_sz = dev_lim->max_desc_sz; 227219820Sjeff mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev); 228219820Sjeff /* 229219820Sjeff * Subtract 1 from the limit because we need to allocate a 230219820Sjeff * spare CQE so the HCA HW can tell the difference between an 231219820Sjeff * empty CQ and a full CQ. 232219820Sjeff */ 233219820Sjeff mdev->limits.max_cqes = dev_lim->max_cq_sz - 1; 234219820Sjeff mdev->limits.reserved_cqs = dev_lim->reserved_cqs; 235219820Sjeff mdev->limits.reserved_eqs = dev_lim->reserved_eqs; 236219820Sjeff mdev->limits.reserved_mtts = dev_lim->reserved_mtts; 237219820Sjeff mdev->limits.reserved_mrws = dev_lim->reserved_mrws; 238219820Sjeff mdev->limits.reserved_uars = dev_lim->reserved_uars; 239219820Sjeff mdev->limits.reserved_pds = dev_lim->reserved_pds; 240219820Sjeff mdev->limits.port_width_cap = dev_lim->max_port_width; 241219820Sjeff mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1); 242219820Sjeff mdev->limits.flags = dev_lim->flags; 243219820Sjeff /* 244219820Sjeff * For old FW that doesn't return static rate support, use a 245219820Sjeff * value of 0x3 (only static rate values of 0 or 1 are handled), 246219820Sjeff * except on Sinai, where even old FW can handle static rate 247219820Sjeff * values of 2 and 3. 248219820Sjeff */ 249219820Sjeff if (dev_lim->stat_rate_support) 250219820Sjeff mdev->limits.stat_rate_support = dev_lim->stat_rate_support; 251219820Sjeff else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) 252219820Sjeff mdev->limits.stat_rate_support = 0xf; 253219820Sjeff else 254219820Sjeff mdev->limits.stat_rate_support = 0x3; 255219820Sjeff 256219820Sjeff /* IB_DEVICE_RESIZE_MAX_WR not supported by driver. 257219820Sjeff May be doable since hardware supports it for SRQ. 258219820Sjeff 259219820Sjeff IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver. 260219820Sjeff 261219820Sjeff IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not 262219820Sjeff supported by driver. */ 263219820Sjeff mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | 264219820Sjeff IB_DEVICE_PORT_ACTIVE_EVENT | 265219820Sjeff IB_DEVICE_SYS_IMAGE_GUID | 266219820Sjeff IB_DEVICE_RC_RNR_NAK_GEN; 267219820Sjeff 268219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR) 269219820Sjeff mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; 270219820Sjeff 271219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR) 272219820Sjeff mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; 273219820Sjeff 274219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI) 275219820Sjeff mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI; 276219820Sjeff 277219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG) 278219820Sjeff mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; 279219820Sjeff 280219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE) 281219820Sjeff mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; 282219820Sjeff 283219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_SRQ) 284219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_SRQ; 285219820Sjeff 286219820Sjeff if (mthca_is_memfree(mdev)) 287219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM) 288219820Sjeff mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; 289219820Sjeff 290219820Sjeff return 0; 291219820Sjeff} 292219820Sjeff 293219820Sjeffstatic int mthca_init_tavor(struct mthca_dev *mdev) 294219820Sjeff{ 295219820Sjeff s64 size; 296219820Sjeff u8 status; 297219820Sjeff int err; 298219820Sjeff struct mthca_dev_lim dev_lim; 299219820Sjeff struct mthca_profile profile; 300219820Sjeff struct mthca_init_hca_param init_hca; 301219820Sjeff 302219820Sjeff err = mthca_SYS_EN(mdev, &status); 303219820Sjeff if (err) { 304219820Sjeff mthca_err(mdev, "SYS_EN command failed, aborting.\n"); 305219820Sjeff return err; 306219820Sjeff } 307219820Sjeff if (status) { 308219820Sjeff mthca_err(mdev, "SYS_EN returned status 0x%02x, " 309219820Sjeff "aborting.\n", status); 310219820Sjeff return -EINVAL; 311219820Sjeff } 312219820Sjeff 313219820Sjeff err = mthca_QUERY_FW(mdev, &status); 314219820Sjeff if (err) { 315219820Sjeff mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); 316219820Sjeff goto err_disable; 317219820Sjeff } 318219820Sjeff if (status) { 319219820Sjeff mthca_err(mdev, "QUERY_FW returned status 0x%02x, " 320219820Sjeff "aborting.\n", status); 321219820Sjeff err = -EINVAL; 322219820Sjeff goto err_disable; 323219820Sjeff } 324219820Sjeff err = mthca_QUERY_DDR(mdev, &status); 325219820Sjeff if (err) { 326219820Sjeff mthca_err(mdev, "QUERY_DDR command failed, aborting.\n"); 327219820Sjeff goto err_disable; 328219820Sjeff } 329219820Sjeff if (status) { 330219820Sjeff mthca_err(mdev, "QUERY_DDR returned status 0x%02x, " 331219820Sjeff "aborting.\n", status); 332219820Sjeff err = -EINVAL; 333219820Sjeff goto err_disable; 334219820Sjeff } 335219820Sjeff 336219820Sjeff err = mthca_dev_lim(mdev, &dev_lim); 337219820Sjeff if (err) { 338219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 339219820Sjeff goto err_disable; 340219820Sjeff } 341219820Sjeff 342219820Sjeff profile = hca_profile; 343219820Sjeff profile.num_uar = dev_lim.uar_size / PAGE_SIZE; 344219820Sjeff profile.uarc_size = 0; 345219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 346219820Sjeff profile.num_srq = dev_lim.max_srqs; 347219820Sjeff 348219820Sjeff size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); 349219820Sjeff if (size < 0) { 350219820Sjeff err = size; 351219820Sjeff goto err_disable; 352219820Sjeff } 353219820Sjeff 354219820Sjeff err = mthca_INIT_HCA(mdev, &init_hca, &status); 355219820Sjeff if (err) { 356219820Sjeff mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); 357219820Sjeff goto err_disable; 358219820Sjeff } 359219820Sjeff if (status) { 360219820Sjeff mthca_err(mdev, "INIT_HCA returned status 0x%02x, " 361219820Sjeff "aborting.\n", status); 362219820Sjeff err = -EINVAL; 363219820Sjeff goto err_disable; 364219820Sjeff } 365219820Sjeff 366219820Sjeff return 0; 367219820Sjeff 368219820Sjefferr_disable: 369219820Sjeff mthca_SYS_DIS(mdev, &status); 370219820Sjeff 371219820Sjeff return err; 372219820Sjeff} 373219820Sjeff 374219820Sjeffstatic int mthca_load_fw(struct mthca_dev *mdev) 375219820Sjeff{ 376219820Sjeff u8 status; 377219820Sjeff int err; 378219820Sjeff 379219820Sjeff /* FIXME: use HCA-attached memory for FW if present */ 380219820Sjeff 381219820Sjeff mdev->fw.arbel.fw_icm = 382219820Sjeff mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages, 383219820Sjeff GFP_HIGHUSER | __GFP_NOWARN, 0); 384219820Sjeff if (!mdev->fw.arbel.fw_icm) { 385219820Sjeff mthca_err(mdev, "Couldn't allocate FW area, aborting.\n"); 386219820Sjeff return -ENOMEM; 387219820Sjeff } 388219820Sjeff 389219820Sjeff err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status); 390219820Sjeff if (err) { 391219820Sjeff mthca_err(mdev, "MAP_FA command failed, aborting.\n"); 392219820Sjeff goto err_free; 393219820Sjeff } 394219820Sjeff if (status) { 395219820Sjeff mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status); 396219820Sjeff err = -EINVAL; 397219820Sjeff goto err_free; 398219820Sjeff } 399219820Sjeff err = mthca_RUN_FW(mdev, &status); 400219820Sjeff if (err) { 401219820Sjeff mthca_err(mdev, "RUN_FW command failed, aborting.\n"); 402219820Sjeff goto err_unmap_fa; 403219820Sjeff } 404219820Sjeff if (status) { 405219820Sjeff mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status); 406219820Sjeff err = -EINVAL; 407219820Sjeff goto err_unmap_fa; 408219820Sjeff } 409219820Sjeff 410219820Sjeff return 0; 411219820Sjeff 412219820Sjefferr_unmap_fa: 413219820Sjeff mthca_UNMAP_FA(mdev, &status); 414219820Sjeff 415219820Sjefferr_free: 416219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 417219820Sjeff return err; 418219820Sjeff} 419219820Sjeff 420219820Sjeffstatic int mthca_init_icm(struct mthca_dev *mdev, 421219820Sjeff struct mthca_dev_lim *dev_lim, 422219820Sjeff struct mthca_init_hca_param *init_hca, 423219820Sjeff u64 icm_size) 424219820Sjeff{ 425219820Sjeff u64 aux_pages; 426219820Sjeff u8 status; 427219820Sjeff int err; 428219820Sjeff 429219820Sjeff err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status); 430219820Sjeff if (err) { 431219820Sjeff mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n"); 432219820Sjeff return err; 433219820Sjeff } 434219820Sjeff if (status) { 435219820Sjeff mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, " 436219820Sjeff "aborting.\n", status); 437219820Sjeff return -EINVAL; 438219820Sjeff } 439219820Sjeff 440219820Sjeff mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n", 441219820Sjeff (unsigned long long) icm_size >> 10, 442219820Sjeff (unsigned long long) aux_pages << 2); 443219820Sjeff 444219820Sjeff mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages, 445219820Sjeff GFP_HIGHUSER | __GFP_NOWARN, 0); 446219820Sjeff if (!mdev->fw.arbel.aux_icm) { 447219820Sjeff mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n"); 448219820Sjeff return -ENOMEM; 449219820Sjeff } 450219820Sjeff 451219820Sjeff err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status); 452219820Sjeff if (err) { 453219820Sjeff mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n"); 454219820Sjeff goto err_free_aux; 455219820Sjeff } 456219820Sjeff if (status) { 457219820Sjeff mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status); 458219820Sjeff err = -EINVAL; 459219820Sjeff goto err_free_aux; 460219820Sjeff } 461219820Sjeff 462219820Sjeff err = mthca_map_eq_icm(mdev, init_hca->eqc_base); 463219820Sjeff if (err) { 464219820Sjeff mthca_err(mdev, "Failed to map EQ context memory, aborting.\n"); 465219820Sjeff goto err_unmap_aux; 466219820Sjeff } 467219820Sjeff 468219820Sjeff /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */ 469219820Sjeff mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size, 470219820Sjeff dma_get_cache_alignment()) / mdev->limits.mtt_seg_size; 471219820Sjeff 472219820Sjeff mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base, 473219820Sjeff mdev->limits.mtt_seg_size, 474219820Sjeff mdev->limits.num_mtt_segs, 475219820Sjeff mdev->limits.reserved_mtts, 476219820Sjeff 1, 0); 477219820Sjeff if (!mdev->mr_table.mtt_table) { 478219820Sjeff mthca_err(mdev, "Failed to map MTT context memory, aborting.\n"); 479219820Sjeff err = -ENOMEM; 480219820Sjeff goto err_unmap_eq; 481219820Sjeff } 482219820Sjeff 483219820Sjeff mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base, 484219820Sjeff dev_lim->mpt_entry_sz, 485219820Sjeff mdev->limits.num_mpts, 486219820Sjeff mdev->limits.reserved_mrws, 487219820Sjeff 1, 1); 488219820Sjeff if (!mdev->mr_table.mpt_table) { 489219820Sjeff mthca_err(mdev, "Failed to map MPT context memory, aborting.\n"); 490219820Sjeff err = -ENOMEM; 491219820Sjeff goto err_unmap_mtt; 492219820Sjeff } 493219820Sjeff 494219820Sjeff mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base, 495219820Sjeff dev_lim->qpc_entry_sz, 496219820Sjeff mdev->limits.num_qps, 497219820Sjeff mdev->limits.reserved_qps, 498219820Sjeff 0, 0); 499219820Sjeff if (!mdev->qp_table.qp_table) { 500219820Sjeff mthca_err(mdev, "Failed to map QP context memory, aborting.\n"); 501219820Sjeff err = -ENOMEM; 502219820Sjeff goto err_unmap_mpt; 503219820Sjeff } 504219820Sjeff 505219820Sjeff mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base, 506219820Sjeff dev_lim->eqpc_entry_sz, 507219820Sjeff mdev->limits.num_qps, 508219820Sjeff mdev->limits.reserved_qps, 509219820Sjeff 0, 0); 510219820Sjeff if (!mdev->qp_table.eqp_table) { 511219820Sjeff mthca_err(mdev, "Failed to map EQP context memory, aborting.\n"); 512219820Sjeff err = -ENOMEM; 513219820Sjeff goto err_unmap_qp; 514219820Sjeff } 515219820Sjeff 516219820Sjeff mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base, 517219820Sjeff MTHCA_RDB_ENTRY_SIZE, 518219820Sjeff mdev->limits.num_qps << 519219820Sjeff mdev->qp_table.rdb_shift, 0, 520219820Sjeff 0, 0); 521219820Sjeff if (!mdev->qp_table.rdb_table) { 522219820Sjeff mthca_err(mdev, "Failed to map RDB context memory, aborting\n"); 523219820Sjeff err = -ENOMEM; 524219820Sjeff goto err_unmap_eqp; 525219820Sjeff } 526219820Sjeff 527219820Sjeff mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base, 528219820Sjeff dev_lim->cqc_entry_sz, 529219820Sjeff mdev->limits.num_cqs, 530219820Sjeff mdev->limits.reserved_cqs, 531219820Sjeff 0, 0); 532219820Sjeff if (!mdev->cq_table.table) { 533219820Sjeff mthca_err(mdev, "Failed to map CQ context memory, aborting.\n"); 534219820Sjeff err = -ENOMEM; 535219820Sjeff goto err_unmap_rdb; 536219820Sjeff } 537219820Sjeff 538219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) { 539219820Sjeff mdev->srq_table.table = 540219820Sjeff mthca_alloc_icm_table(mdev, init_hca->srqc_base, 541219820Sjeff dev_lim->srq_entry_sz, 542219820Sjeff mdev->limits.num_srqs, 543219820Sjeff mdev->limits.reserved_srqs, 544219820Sjeff 0, 0); 545219820Sjeff if (!mdev->srq_table.table) { 546219820Sjeff mthca_err(mdev, "Failed to map SRQ context memory, " 547219820Sjeff "aborting.\n"); 548219820Sjeff err = -ENOMEM; 549219820Sjeff goto err_unmap_cq; 550219820Sjeff } 551219820Sjeff } 552219820Sjeff 553219820Sjeff /* 554219820Sjeff * It's not strictly required, but for simplicity just map the 555219820Sjeff * whole multicast group table now. The table isn't very big 556219820Sjeff * and it's a lot easier than trying to track ref counts. 557219820Sjeff */ 558219820Sjeff mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base, 559219820Sjeff MTHCA_MGM_ENTRY_SIZE, 560219820Sjeff mdev->limits.num_mgms + 561219820Sjeff mdev->limits.num_amgms, 562219820Sjeff mdev->limits.num_mgms + 563219820Sjeff mdev->limits.num_amgms, 564219820Sjeff 0, 0); 565219820Sjeff if (!mdev->mcg_table.table) { 566219820Sjeff mthca_err(mdev, "Failed to map MCG context memory, aborting.\n"); 567219820Sjeff err = -ENOMEM; 568219820Sjeff goto err_unmap_srq; 569219820Sjeff } 570219820Sjeff 571219820Sjeff return 0; 572219820Sjeff 573219820Sjefferr_unmap_srq: 574219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 575219820Sjeff mthca_free_icm_table(mdev, mdev->srq_table.table); 576219820Sjeff 577219820Sjefferr_unmap_cq: 578219820Sjeff mthca_free_icm_table(mdev, mdev->cq_table.table); 579219820Sjeff 580219820Sjefferr_unmap_rdb: 581219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); 582219820Sjeff 583219820Sjefferr_unmap_eqp: 584219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); 585219820Sjeff 586219820Sjefferr_unmap_qp: 587219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.qp_table); 588219820Sjeff 589219820Sjefferr_unmap_mpt: 590219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); 591219820Sjeff 592219820Sjefferr_unmap_mtt: 593219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); 594219820Sjeff 595219820Sjefferr_unmap_eq: 596219820Sjeff mthca_unmap_eq_icm(mdev); 597219820Sjeff 598219820Sjefferr_unmap_aux: 599219820Sjeff mthca_UNMAP_ICM_AUX(mdev, &status); 600219820Sjeff 601219820Sjefferr_free_aux: 602219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); 603219820Sjeff 604219820Sjeff return err; 605219820Sjeff} 606219820Sjeff 607219820Sjeffstatic void mthca_free_icms(struct mthca_dev *mdev) 608219820Sjeff{ 609219820Sjeff u8 status; 610219820Sjeff 611219820Sjeff mthca_free_icm_table(mdev, mdev->mcg_table.table); 612219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 613219820Sjeff mthca_free_icm_table(mdev, mdev->srq_table.table); 614219820Sjeff mthca_free_icm_table(mdev, mdev->cq_table.table); 615219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); 616219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); 617219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.qp_table); 618219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); 619219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); 620219820Sjeff mthca_unmap_eq_icm(mdev); 621219820Sjeff 622219820Sjeff mthca_UNMAP_ICM_AUX(mdev, &status); 623219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); 624219820Sjeff} 625219820Sjeff 626219820Sjeffstatic int mthca_init_arbel(struct mthca_dev *mdev) 627219820Sjeff{ 628219820Sjeff struct mthca_dev_lim dev_lim; 629219820Sjeff struct mthca_profile profile; 630219820Sjeff struct mthca_init_hca_param init_hca; 631219820Sjeff s64 icm_size; 632219820Sjeff u8 status; 633219820Sjeff int err; 634219820Sjeff 635219820Sjeff err = mthca_QUERY_FW(mdev, &status); 636219820Sjeff if (err) { 637219820Sjeff mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); 638219820Sjeff return err; 639219820Sjeff } 640219820Sjeff if (status) { 641219820Sjeff mthca_err(mdev, "QUERY_FW returned status 0x%02x, " 642219820Sjeff "aborting.\n", status); 643219820Sjeff return -EINVAL; 644219820Sjeff } 645219820Sjeff 646219820Sjeff err = mthca_ENABLE_LAM(mdev, &status); 647219820Sjeff if (err) { 648219820Sjeff mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n"); 649219820Sjeff return err; 650219820Sjeff } 651219820Sjeff if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) { 652219820Sjeff mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n"); 653219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_NO_LAM; 654219820Sjeff } else if (status) { 655219820Sjeff mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, " 656219820Sjeff "aborting.\n", status); 657219820Sjeff return -EINVAL; 658219820Sjeff } 659219820Sjeff 660219820Sjeff err = mthca_load_fw(mdev); 661219820Sjeff if (err) { 662219820Sjeff mthca_err(mdev, "Failed to start FW, aborting.\n"); 663219820Sjeff goto err_disable; 664219820Sjeff } 665219820Sjeff 666219820Sjeff err = mthca_dev_lim(mdev, &dev_lim); 667219820Sjeff if (err) { 668219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 669219820Sjeff goto err_stop_fw; 670219820Sjeff } 671219820Sjeff 672219820Sjeff profile = hca_profile; 673219820Sjeff profile.num_uar = dev_lim.uar_size / PAGE_SIZE; 674219820Sjeff profile.num_udav = 0; 675219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 676219820Sjeff profile.num_srq = dev_lim.max_srqs; 677219820Sjeff 678219820Sjeff icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); 679219820Sjeff if (icm_size < 0) { 680219820Sjeff err = icm_size; 681219820Sjeff goto err_stop_fw; 682219820Sjeff } 683219820Sjeff 684219820Sjeff err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size); 685219820Sjeff if (err) 686219820Sjeff goto err_stop_fw; 687219820Sjeff 688219820Sjeff err = mthca_INIT_HCA(mdev, &init_hca, &status); 689219820Sjeff if (err) { 690219820Sjeff mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); 691219820Sjeff goto err_free_icm; 692219820Sjeff } 693219820Sjeff if (status) { 694219820Sjeff mthca_err(mdev, "INIT_HCA returned status 0x%02x, " 695219820Sjeff "aborting.\n", status); 696219820Sjeff err = -EINVAL; 697219820Sjeff goto err_free_icm; 698219820Sjeff } 699219820Sjeff 700219820Sjeff return 0; 701219820Sjeff 702219820Sjefferr_free_icm: 703219820Sjeff mthca_free_icms(mdev); 704219820Sjeff 705219820Sjefferr_stop_fw: 706219820Sjeff mthca_UNMAP_FA(mdev, &status); 707219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 708219820Sjeff 709219820Sjefferr_disable: 710219820Sjeff if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) 711219820Sjeff mthca_DISABLE_LAM(mdev, &status); 712219820Sjeff 713219820Sjeff return err; 714219820Sjeff} 715219820Sjeff 716219820Sjeffstatic void mthca_close_hca(struct mthca_dev *mdev) 717219820Sjeff{ 718219820Sjeff u8 status; 719219820Sjeff 720219820Sjeff mthca_CLOSE_HCA(mdev, 0, &status); 721219820Sjeff 722219820Sjeff if (mthca_is_memfree(mdev)) { 723219820Sjeff mthca_free_icms(mdev); 724219820Sjeff 725219820Sjeff mthca_UNMAP_FA(mdev, &status); 726219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 727219820Sjeff 728219820Sjeff if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) 729219820Sjeff mthca_DISABLE_LAM(mdev, &status); 730219820Sjeff } else 731219820Sjeff mthca_SYS_DIS(mdev, &status); 732219820Sjeff} 733219820Sjeff 734219820Sjeffstatic int mthca_init_hca(struct mthca_dev *mdev) 735219820Sjeff{ 736219820Sjeff u8 status; 737219820Sjeff int err; 738219820Sjeff struct mthca_adapter adapter; 739219820Sjeff 740219820Sjeff if (mthca_is_memfree(mdev)) 741219820Sjeff err = mthca_init_arbel(mdev); 742219820Sjeff else 743219820Sjeff err = mthca_init_tavor(mdev); 744219820Sjeff 745219820Sjeff if (err) 746219820Sjeff return err; 747219820Sjeff 748219820Sjeff err = mthca_QUERY_ADAPTER(mdev, &adapter, &status); 749219820Sjeff if (err) { 750219820Sjeff mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n"); 751219820Sjeff goto err_close; 752219820Sjeff } 753219820Sjeff if (status) { 754219820Sjeff mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, " 755219820Sjeff "aborting.\n", status); 756219820Sjeff err = -EINVAL; 757219820Sjeff goto err_close; 758219820Sjeff } 759219820Sjeff 760219820Sjeff mdev->eq_table.inta_pin = adapter.inta_pin; 761219820Sjeff if (!mthca_is_memfree(mdev)) 762219820Sjeff mdev->rev_id = adapter.revision_id; 763219820Sjeff memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id); 764219820Sjeff 765219820Sjeff return 0; 766219820Sjeff 767219820Sjefferr_close: 768219820Sjeff mthca_close_hca(mdev); 769219820Sjeff return err; 770219820Sjeff} 771219820Sjeff 772219820Sjeffstatic int mthca_setup_hca(struct mthca_dev *dev) 773219820Sjeff{ 774219820Sjeff int err; 775219820Sjeff u8 status; 776219820Sjeff 777219820Sjeff MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock); 778219820Sjeff 779219820Sjeff err = mthca_init_uar_table(dev); 780219820Sjeff if (err) { 781219820Sjeff mthca_err(dev, "Failed to initialize " 782219820Sjeff "user access region table, aborting.\n"); 783219820Sjeff return err; 784219820Sjeff } 785219820Sjeff 786219820Sjeff err = mthca_uar_alloc(dev, &dev->driver_uar); 787219820Sjeff if (err) { 788219820Sjeff mthca_err(dev, "Failed to allocate driver access region, " 789219820Sjeff "aborting.\n"); 790219820Sjeff goto err_uar_table_free; 791219820Sjeff } 792219820Sjeff 793219820Sjeff dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); 794219820Sjeff if (!dev->kar) { 795219820Sjeff mthca_err(dev, "Couldn't map kernel access region, " 796219820Sjeff "aborting.\n"); 797219820Sjeff err = -ENOMEM; 798219820Sjeff goto err_uar_free; 799219820Sjeff } 800219820Sjeff 801219820Sjeff err = mthca_init_pd_table(dev); 802219820Sjeff if (err) { 803219820Sjeff mthca_err(dev, "Failed to initialize " 804219820Sjeff "protection domain table, aborting.\n"); 805219820Sjeff goto err_kar_unmap; 806219820Sjeff } 807219820Sjeff 808219820Sjeff err = mthca_init_mr_table(dev); 809219820Sjeff if (err) { 810219820Sjeff mthca_err(dev, "Failed to initialize " 811219820Sjeff "memory region table, aborting.\n"); 812219820Sjeff goto err_pd_table_free; 813219820Sjeff } 814219820Sjeff 815219820Sjeff err = mthca_pd_alloc(dev, 1, &dev->driver_pd); 816219820Sjeff if (err) { 817219820Sjeff mthca_err(dev, "Failed to create driver PD, " 818219820Sjeff "aborting.\n"); 819219820Sjeff goto err_mr_table_free; 820219820Sjeff } 821219820Sjeff 822219820Sjeff err = mthca_init_eq_table(dev); 823219820Sjeff if (err) { 824219820Sjeff mthca_err(dev, "Failed to initialize " 825219820Sjeff "event queue table, aborting.\n"); 826219820Sjeff goto err_pd_free; 827219820Sjeff } 828219820Sjeff 829219820Sjeff err = mthca_cmd_use_events(dev); 830219820Sjeff if (err) { 831219820Sjeff mthca_err(dev, "Failed to switch to event-driven " 832219820Sjeff "firmware commands, aborting.\n"); 833219820Sjeff goto err_eq_table_free; 834219820Sjeff } 835219820Sjeff 836219820Sjeff err = mthca_NOP(dev, &status); 837219820Sjeff if (err || status) { 838219820Sjeff if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { 839219820Sjeff mthca_warn(dev, "NOP command failed to generate interrupt " 840219820Sjeff "(IRQ %d).\n", 841219820Sjeff dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector); 842219820Sjeff mthca_warn(dev, "Trying again with MSI-X disabled.\n"); 843219820Sjeff } else { 844219820Sjeff mthca_err(dev, "NOP command failed to generate interrupt " 845219820Sjeff "(IRQ %d), aborting.\n", 846219820Sjeff dev->pdev->irq); 847219820Sjeff mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n"); 848219820Sjeff } 849219820Sjeff 850219820Sjeff goto err_cmd_poll; 851219820Sjeff } 852219820Sjeff 853219820Sjeff mthca_dbg(dev, "NOP command IRQ test passed\n"); 854219820Sjeff 855219820Sjeff err = mthca_init_cq_table(dev); 856219820Sjeff if (err) { 857219820Sjeff mthca_err(dev, "Failed to initialize " 858219820Sjeff "completion queue table, aborting.\n"); 859219820Sjeff goto err_cmd_poll; 860219820Sjeff } 861219820Sjeff 862219820Sjeff err = mthca_init_srq_table(dev); 863219820Sjeff if (err) { 864219820Sjeff mthca_err(dev, "Failed to initialize " 865219820Sjeff "shared receive queue table, aborting.\n"); 866219820Sjeff goto err_cq_table_free; 867219820Sjeff } 868219820Sjeff 869219820Sjeff err = mthca_init_qp_table(dev); 870219820Sjeff if (err) { 871219820Sjeff mthca_err(dev, "Failed to initialize " 872219820Sjeff "queue pair table, aborting.\n"); 873219820Sjeff goto err_srq_table_free; 874219820Sjeff } 875219820Sjeff 876219820Sjeff err = mthca_init_av_table(dev); 877219820Sjeff if (err) { 878219820Sjeff mthca_err(dev, "Failed to initialize " 879219820Sjeff "address vector table, aborting.\n"); 880219820Sjeff goto err_qp_table_free; 881219820Sjeff } 882219820Sjeff 883219820Sjeff err = mthca_init_mcg_table(dev); 884219820Sjeff if (err) { 885219820Sjeff mthca_err(dev, "Failed to initialize " 886219820Sjeff "multicast group table, aborting.\n"); 887219820Sjeff goto err_av_table_free; 888219820Sjeff } 889219820Sjeff 890219820Sjeff return 0; 891219820Sjeff 892219820Sjefferr_av_table_free: 893219820Sjeff mthca_cleanup_av_table(dev); 894219820Sjeff 895219820Sjefferr_qp_table_free: 896219820Sjeff mthca_cleanup_qp_table(dev); 897219820Sjeff 898219820Sjefferr_srq_table_free: 899219820Sjeff mthca_cleanup_srq_table(dev); 900219820Sjeff 901219820Sjefferr_cq_table_free: 902219820Sjeff mthca_cleanup_cq_table(dev); 903219820Sjeff 904219820Sjefferr_cmd_poll: 905219820Sjeff mthca_cmd_use_polling(dev); 906219820Sjeff 907219820Sjefferr_eq_table_free: 908219820Sjeff mthca_cleanup_eq_table(dev); 909219820Sjeff 910219820Sjefferr_pd_free: 911219820Sjeff mthca_pd_free(dev, &dev->driver_pd); 912219820Sjeff 913219820Sjefferr_mr_table_free: 914219820Sjeff mthca_cleanup_mr_table(dev); 915219820Sjeff 916219820Sjefferr_pd_table_free: 917219820Sjeff mthca_cleanup_pd_table(dev); 918219820Sjeff 919219820Sjefferr_kar_unmap: 920219820Sjeff iounmap(dev->kar); 921219820Sjeff 922219820Sjefferr_uar_free: 923219820Sjeff mthca_uar_free(dev, &dev->driver_uar); 924219820Sjeff 925219820Sjefferr_uar_table_free: 926219820Sjeff mthca_cleanup_uar_table(dev); 927219820Sjeff return err; 928219820Sjeff} 929219820Sjeff 930219820Sjeffstatic int mthca_enable_msi_x(struct mthca_dev *mdev) 931219820Sjeff{ 932219820Sjeff struct msix_entry entries[3]; 933219820Sjeff int err; 934219820Sjeff 935219820Sjeff entries[0].entry = 0; 936219820Sjeff entries[1].entry = 1; 937219820Sjeff entries[2].entry = 2; 938219820Sjeff 939219820Sjeff err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries)); 940219820Sjeff if (err) { 941219820Sjeff if (err > 0) 942219820Sjeff mthca_info(mdev, "Only %d MSI-X vectors available, " 943219820Sjeff "not using MSI-X\n", err); 944219820Sjeff return err; 945219820Sjeff } 946219820Sjeff 947219820Sjeff mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector; 948219820Sjeff mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector; 949219820Sjeff mdev->eq_table.eq[MTHCA_EQ_CMD ].msi_x_vector = entries[2].vector; 950219820Sjeff 951219820Sjeff return 0; 952219820Sjeff} 953219820Sjeff 954219820Sjeff/* Types of supported HCA */ 955219820Sjeffenum { 956219820Sjeff TAVOR, /* MT23108 */ 957219820Sjeff ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ 958219820Sjeff ARBEL_NATIVE, /* MT25208 with extended features */ 959219820Sjeff SINAI /* MT25204 */ 960219820Sjeff}; 961219820Sjeff 962219820Sjeff#define MTHCA_FW_VER(major, minor, subminor) \ 963219820Sjeff (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor)) 964219820Sjeff 965219820Sjeffstatic struct { 966219820Sjeff u64 latest_fw; 967219820Sjeff u32 flags; 968219820Sjeff} mthca_hca_table[] = { 969219820Sjeff [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0), 970219820Sjeff .flags = 0 }, 971219820Sjeff [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200), 972219820Sjeff .flags = MTHCA_FLAG_PCIE }, 973219820Sjeff [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0), 974219820Sjeff .flags = MTHCA_FLAG_MEMFREE | 975219820Sjeff MTHCA_FLAG_PCIE }, 976219820Sjeff [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0), 977219820Sjeff .flags = MTHCA_FLAG_MEMFREE | 978219820Sjeff MTHCA_FLAG_PCIE | 979219820Sjeff MTHCA_FLAG_SINAI_OPT } 980219820Sjeff}; 981219820Sjeff 982219820Sjeffstatic int __mthca_init_one(struct pci_dev *pdev, int hca_type) 983219820Sjeff{ 984219820Sjeff int ddr_hidden = 0; 985219820Sjeff int err; 986219820Sjeff struct mthca_dev *mdev; 987219820Sjeff 988219820Sjeff printk(KERN_INFO PFX "Initializing %s\n", 989219820Sjeff pci_name(pdev)); 990219820Sjeff 991219820Sjeff err = pci_enable_device(pdev); 992219820Sjeff if (err) { 993219820Sjeff dev_err(&pdev->dev, "Cannot enable PCI device, " 994219820Sjeff "aborting.\n"); 995219820Sjeff return err; 996219820Sjeff } 997219820Sjeff 998219820Sjeff /* 999219820Sjeff * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not 1000219820Sjeff * be present) 1001219820Sjeff */ 1002219820Sjeff if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || 1003219820Sjeff pci_resource_len(pdev, 0) != 1 << 20) { 1004219820Sjeff dev_err(&pdev->dev, "Missing DCS, aborting.\n"); 1005219820Sjeff err = -ENODEV; 1006219820Sjeff goto err_disable_pdev; 1007219820Sjeff } 1008219820Sjeff if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { 1009219820Sjeff dev_err(&pdev->dev, "Missing UAR, aborting.\n"); 1010219820Sjeff err = -ENODEV; 1011219820Sjeff goto err_disable_pdev; 1012219820Sjeff } 1013219820Sjeff if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM)) 1014219820Sjeff ddr_hidden = 1; 1015219820Sjeff 1016219820Sjeff err = pci_request_regions(pdev, DRV_NAME); 1017219820Sjeff if (err) { 1018219820Sjeff dev_err(&pdev->dev, "Cannot obtain PCI resources, " 1019219820Sjeff "aborting.\n"); 1020219820Sjeff goto err_disable_pdev; 1021219820Sjeff } 1022219820Sjeff 1023219820Sjeff pci_set_master(pdev); 1024219820Sjeff 1025219820Sjeff err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); 1026219820Sjeff if (err) { 1027219820Sjeff dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); 1028219820Sjeff err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1029219820Sjeff if (err) { 1030219820Sjeff dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); 1031219820Sjeff goto err_free_res; 1032219820Sjeff } 1033219820Sjeff } 1034219820Sjeff err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); 1035219820Sjeff if (err) { 1036219820Sjeff dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " 1037219820Sjeff "consistent PCI DMA mask.\n"); 1038219820Sjeff err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 1039219820Sjeff if (err) { 1040219820Sjeff dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " 1041219820Sjeff "aborting.\n"); 1042219820Sjeff goto err_free_res; 1043219820Sjeff } 1044219820Sjeff } 1045219820Sjeff 1046219820Sjeff mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev); 1047219820Sjeff if (!mdev) { 1048219820Sjeff dev_err(&pdev->dev, "Device struct alloc failed, " 1049219820Sjeff "aborting.\n"); 1050219820Sjeff err = -ENOMEM; 1051219820Sjeff goto err_free_res; 1052219820Sjeff } 1053219820Sjeff 1054219820Sjeff mdev->pdev = pdev; 1055219820Sjeff 1056219820Sjeff mdev->mthca_flags = mthca_hca_table[hca_type].flags; 1057219820Sjeff if (ddr_hidden) 1058219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN; 1059219820Sjeff 1060219820Sjeff /* 1061219820Sjeff * Now reset the HCA before we touch the PCI capabilities or 1062219820Sjeff * attempt a firmware command, since a boot ROM may have left 1063219820Sjeff * the HCA in an undefined state. 1064219820Sjeff */ 1065219820Sjeff err = mthca_reset(mdev); 1066219820Sjeff if (err) { 1067219820Sjeff mthca_err(mdev, "Failed to reset HCA, aborting.\n"); 1068219820Sjeff goto err_free_dev; 1069219820Sjeff } 1070219820Sjeff 1071219820Sjeff if (mthca_cmd_init(mdev)) { 1072219820Sjeff mthca_err(mdev, "Failed to init command interface, aborting.\n"); 1073219820Sjeff goto err_free_dev; 1074219820Sjeff } 1075219820Sjeff 1076219820Sjeff err = mthca_tune_pci(mdev); 1077219820Sjeff if (err) 1078219820Sjeff goto err_cmd; 1079219820Sjeff 1080219820Sjeff err = mthca_init_hca(mdev); 1081219820Sjeff if (err) 1082219820Sjeff goto err_cmd; 1083219820Sjeff 1084219820Sjeff if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) { 1085219820Sjeff mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n", 1086219820Sjeff (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff, 1087219820Sjeff (int) (mdev->fw_ver & 0xffff), 1088219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw >> 32), 1089219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff, 1090219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw & 0xffff)); 1091219820Sjeff mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n"); 1092219820Sjeff } 1093219820Sjeff 1094219820Sjeff if (msi_x && !mthca_enable_msi_x(mdev)) 1095219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_MSI_X; 1096219820Sjeff 1097219820Sjeff err = mthca_setup_hca(mdev); 1098219820Sjeff if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) { 1099219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1100219820Sjeff pci_disable_msix(pdev); 1101219820Sjeff mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X; 1102219820Sjeff 1103219820Sjeff err = mthca_setup_hca(mdev); 1104219820Sjeff } 1105219820Sjeff 1106219820Sjeff if (err) 1107219820Sjeff goto err_close; 1108219820Sjeff 1109219820Sjeff err = mthca_register_device(mdev); 1110219820Sjeff if (err) 1111219820Sjeff goto err_cleanup; 1112219820Sjeff 1113219820Sjeff err = mthca_create_agents(mdev); 1114219820Sjeff if (err) 1115219820Sjeff goto err_unregister; 1116219820Sjeff 1117219820Sjeff pci_set_drvdata(pdev, mdev); 1118219820Sjeff mdev->hca_type = hca_type; 1119219820Sjeff 1120219820Sjeff mdev->active = 1; 1121219820Sjeff 1122219820Sjeff return 0; 1123219820Sjeff 1124219820Sjefferr_unregister: 1125219820Sjeff mthca_unregister_device(mdev); 1126219820Sjeff 1127219820Sjefferr_cleanup: 1128219820Sjeff mthca_cleanup_mcg_table(mdev); 1129219820Sjeff mthca_cleanup_av_table(mdev); 1130219820Sjeff mthca_cleanup_qp_table(mdev); 1131219820Sjeff mthca_cleanup_srq_table(mdev); 1132219820Sjeff mthca_cleanup_cq_table(mdev); 1133219820Sjeff mthca_cmd_use_polling(mdev); 1134219820Sjeff mthca_cleanup_eq_table(mdev); 1135219820Sjeff 1136219820Sjeff mthca_pd_free(mdev, &mdev->driver_pd); 1137219820Sjeff 1138219820Sjeff mthca_cleanup_mr_table(mdev); 1139219820Sjeff mthca_cleanup_pd_table(mdev); 1140219820Sjeff mthca_cleanup_uar_table(mdev); 1141219820Sjeff 1142219820Sjefferr_close: 1143219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1144219820Sjeff pci_disable_msix(pdev); 1145219820Sjeff 1146219820Sjeff mthca_close_hca(mdev); 1147219820Sjeff 1148219820Sjefferr_cmd: 1149219820Sjeff mthca_cmd_cleanup(mdev); 1150219820Sjeff 1151219820Sjefferr_free_dev: 1152219820Sjeff ib_dealloc_device(&mdev->ib_dev); 1153219820Sjeff 1154219820Sjefferr_free_res: 1155219820Sjeff pci_release_regions(pdev); 1156219820Sjeff 1157219820Sjefferr_disable_pdev: 1158219820Sjeff pci_disable_device(pdev); 1159219820Sjeff pci_set_drvdata(pdev, NULL); 1160219820Sjeff return err; 1161219820Sjeff} 1162219820Sjeff 1163219820Sjeffstatic void __mthca_remove_one(struct pci_dev *pdev) 1164219820Sjeff{ 1165219820Sjeff struct mthca_dev *mdev = pci_get_drvdata(pdev); 1166219820Sjeff u8 status; 1167219820Sjeff int p; 1168219820Sjeff 1169219820Sjeff if (mdev) { 1170219820Sjeff mthca_free_agents(mdev); 1171219820Sjeff mthca_unregister_device(mdev); 1172219820Sjeff 1173219820Sjeff for (p = 1; p <= mdev->limits.num_ports; ++p) 1174219820Sjeff mthca_CLOSE_IB(mdev, p, &status); 1175219820Sjeff 1176219820Sjeff mthca_cleanup_mcg_table(mdev); 1177219820Sjeff mthca_cleanup_av_table(mdev); 1178219820Sjeff mthca_cleanup_qp_table(mdev); 1179219820Sjeff mthca_cleanup_srq_table(mdev); 1180219820Sjeff mthca_cleanup_cq_table(mdev); 1181219820Sjeff mthca_cmd_use_polling(mdev); 1182219820Sjeff mthca_cleanup_eq_table(mdev); 1183219820Sjeff 1184219820Sjeff mthca_pd_free(mdev, &mdev->driver_pd); 1185219820Sjeff 1186219820Sjeff mthca_cleanup_mr_table(mdev); 1187219820Sjeff mthca_cleanup_pd_table(mdev); 1188219820Sjeff 1189219820Sjeff iounmap(mdev->kar); 1190219820Sjeff mthca_uar_free(mdev, &mdev->driver_uar); 1191219820Sjeff mthca_cleanup_uar_table(mdev); 1192219820Sjeff mthca_close_hca(mdev); 1193219820Sjeff mthca_cmd_cleanup(mdev); 1194219820Sjeff 1195219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1196219820Sjeff pci_disable_msix(pdev); 1197219820Sjeff 1198219820Sjeff ib_dealloc_device(&mdev->ib_dev); 1199219820Sjeff pci_release_regions(pdev); 1200219820Sjeff pci_disable_device(pdev); 1201219820Sjeff pci_set_drvdata(pdev, NULL); 1202219820Sjeff } 1203219820Sjeff} 1204219820Sjeff 1205219820Sjeffint __mthca_restart_one(struct pci_dev *pdev) 1206219820Sjeff{ 1207219820Sjeff struct mthca_dev *mdev; 1208219820Sjeff int hca_type; 1209219820Sjeff 1210219820Sjeff mdev = pci_get_drvdata(pdev); 1211219820Sjeff if (!mdev) 1212219820Sjeff return -ENODEV; 1213219820Sjeff hca_type = mdev->hca_type; 1214219820Sjeff __mthca_remove_one(pdev); 1215219820Sjeff return __mthca_init_one(pdev, hca_type); 1216219820Sjeff} 1217219820Sjeff 1218219820Sjeffstatic int __devinit mthca_init_one(struct pci_dev *pdev, 1219219820Sjeff const struct pci_device_id *id) 1220219820Sjeff{ 1221219820Sjeff static int mthca_version_printed = 0; 1222219820Sjeff int ret; 1223219820Sjeff 1224219820Sjeff mutex_lock(&mthca_device_mutex); 1225219820Sjeff 1226219820Sjeff if (!mthca_version_printed) { 1227219820Sjeff printk(KERN_INFO "%s", mthca_version); 1228219820Sjeff ++mthca_version_printed; 1229219820Sjeff } 1230219820Sjeff 1231219820Sjeff if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) { 1232219846Skib printk(KERN_ERR PFX "%s has invalid driver data %jx\n", 1233219846Skib pci_name(pdev), (uintmax_t)id->driver_data); 1234219820Sjeff mutex_unlock(&mthca_device_mutex); 1235219820Sjeff return -ENODEV; 1236219820Sjeff } 1237219820Sjeff 1238219820Sjeff ret = __mthca_init_one(pdev, id->driver_data); 1239219820Sjeff 1240219820Sjeff mutex_unlock(&mthca_device_mutex); 1241219820Sjeff 1242219820Sjeff return ret; 1243219820Sjeff} 1244219820Sjeff 1245219820Sjeffstatic void __devexit mthca_remove_one(struct pci_dev *pdev) 1246219820Sjeff{ 1247219820Sjeff mutex_lock(&mthca_device_mutex); 1248219820Sjeff __mthca_remove_one(pdev); 1249219820Sjeff mutex_unlock(&mthca_device_mutex); 1250219820Sjeff} 1251219820Sjeff 1252219820Sjeffstatic struct pci_device_id mthca_pci_table[] = { 1253219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR), 1254219820Sjeff .driver_data = TAVOR }, 1255219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR), 1256219820Sjeff .driver_data = TAVOR }, 1257219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), 1258219820Sjeff .driver_data = ARBEL_COMPAT }, 1259219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), 1260219820Sjeff .driver_data = ARBEL_COMPAT }, 1261219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL), 1262219820Sjeff .driver_data = ARBEL_NATIVE }, 1263219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL), 1264219820Sjeff .driver_data = ARBEL_NATIVE }, 1265219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI), 1266219820Sjeff .driver_data = SINAI }, 1267219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI), 1268219820Sjeff .driver_data = SINAI }, 1269219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), 1270219820Sjeff .driver_data = SINAI }, 1271219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), 1272219820Sjeff .driver_data = SINAI }, 1273219820Sjeff { 0, } 1274219820Sjeff}; 1275219820Sjeff 1276219820SjeffMODULE_DEVICE_TABLE(pci, mthca_pci_table); 1277219820Sjeff 1278219820Sjeffstatic struct pci_driver mthca_driver = { 1279219820Sjeff .name = DRV_NAME, 1280219820Sjeff .id_table = mthca_pci_table, 1281219820Sjeff .probe = mthca_init_one, 1282219820Sjeff .remove = __devexit_p(mthca_remove_one) 1283219820Sjeff}; 1284219820Sjeff 1285219820Sjeffstatic void __init __mthca_check_profile_val(const char *name, int *pval, 1286219820Sjeff int pval_default) 1287219820Sjeff{ 1288219820Sjeff /* value must be positive and power of 2 */ 1289219820Sjeff int old_pval = *pval; 1290219820Sjeff 1291219820Sjeff if (old_pval <= 0) 1292219820Sjeff *pval = pval_default; 1293219820Sjeff else 1294219820Sjeff *pval = roundup_pow_of_two(old_pval); 1295219820Sjeff 1296219820Sjeff if (old_pval != *pval) { 1297219820Sjeff printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n", 1298219820Sjeff old_pval, name); 1299219820Sjeff printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval); 1300219820Sjeff } 1301219820Sjeff} 1302219820Sjeff 1303219820Sjeff#define mthca_check_profile_val(name, default) \ 1304219820Sjeff __mthca_check_profile_val(#name, &hca_profile.name, default) 1305219820Sjeff 1306219820Sjeffstatic void __init mthca_validate_profile(void) 1307219820Sjeff{ 1308219820Sjeff mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP); 1309219820Sjeff mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP); 1310219820Sjeff mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ); 1311219820Sjeff mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG); 1312219820Sjeff mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT); 1313219820Sjeff mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT); 1314219820Sjeff mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV); 1315219820Sjeff mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS); 1316219820Sjeff 1317219820Sjeff if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) { 1318219820Sjeff printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n", 1319219820Sjeff hca_profile.fmr_reserved_mtts); 1320219820Sjeff printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n", 1321219820Sjeff hca_profile.num_mtt); 1322219820Sjeff hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2; 1323219820Sjeff printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n", 1324219820Sjeff hca_profile.fmr_reserved_mtts); 1325219820Sjeff } 1326219820Sjeff if (log_mtts_per_seg == 0) 1327219820Sjeff log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); 1328219820Sjeff if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { 1329255932Salfred printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n", 1330219820Sjeff log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8)); 1331219820Sjeff log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); 1332219820Sjeff } 1333219820Sjeff} 1334219820Sjeff 1335219820Sjeffstatic int __init mthca_init(void) 1336219820Sjeff{ 1337219820Sjeff int ret; 1338219820Sjeff 1339219820Sjeff mthca_validate_profile(); 1340219820Sjeff 1341219820Sjeff ret = mthca_catas_init(); 1342219820Sjeff if (ret) 1343219820Sjeff return ret; 1344219820Sjeff 1345219820Sjeff ret = pci_register_driver(&mthca_driver); 1346219820Sjeff if (ret < 0) { 1347219820Sjeff mthca_catas_cleanup(); 1348219820Sjeff return ret; 1349219820Sjeff } 1350219820Sjeff 1351219820Sjeff return 0; 1352219820Sjeff} 1353219820Sjeff 1354219820Sjeffstatic void __exit mthca_cleanup(void) 1355219820Sjeff{ 1356219820Sjeff pci_unregister_driver(&mthca_driver); 1357219820Sjeff mthca_catas_cleanup(); 1358219820Sjeff} 1359219820Sjeff 1360219820Sjeffmodule_init_order(mthca_init, SI_ORDER_MIDDLE); 1361219820Sjeffmodule_exit(mthca_cleanup); 1362