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 35219820Sjeff#include <linux/module.h> 36219820Sjeff#include <linux/init.h> 37219820Sjeff#include <linux/errno.h> 38219820Sjeff#include <linux/pci.h> 39219820Sjeff#include <linux/interrupt.h> 40219820Sjeff 41219820Sjeff#include "mthca_dev.h" 42219820Sjeff#include "mthca_config_reg.h" 43219820Sjeff#include "mthca_cmd.h" 44219820Sjeff#include "mthca_profile.h" 45219820Sjeff#include "mthca_memfree.h" 46219820Sjeff#include "mthca_wqe.h" 47219820Sjeff 48219820SjeffMODULE_AUTHOR("Roland Dreier"); 49219820SjeffMODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver"); 50219820SjeffMODULE_LICENSE("Dual BSD/GPL"); 51219820SjeffMODULE_VERSION(DRV_VERSION); 52219820Sjeff 53219820Sjeff#ifdef CONFIG_INFINIBAND_MTHCA_DEBUG 54219820Sjeff 55219820Sjeffint mthca_debug_level = 0; 56219820Sjeffmodule_param_named(debug_level, mthca_debug_level, int, 0644); 57219820SjeffMODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); 58219820Sjeff 59219820Sjeff#endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ 60219820Sjeff 61219820Sjeff#ifdef CONFIG_PCI_MSI 62219820Sjeff 63219820Sjeffstatic int msi_x = 1; 64219820Sjeffmodule_param(msi_x, int, 0444); 65219820SjeffMODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); 66219820Sjeff 67219820Sjeff#else /* CONFIG_PCI_MSI */ 68219820Sjeff 69219820Sjeff#define msi_x (0) 70219820Sjeff 71219820Sjeff#endif /* CONFIG_PCI_MSI */ 72219820Sjeff 73219820Sjeffstatic int tune_pci = 0; 74219820Sjeffmodule_param(tune_pci, int, 0444); 75219820SjeffMODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero"); 76219820Sjeff 77219820SjeffDEFINE_MUTEX(mthca_device_mutex); 78219820Sjeff 79219820Sjeff#define MTHCA_DEFAULT_NUM_QP (1 << 16) 80219820Sjeff#define MTHCA_DEFAULT_RDB_PER_QP (1 << 2) 81219820Sjeff#define MTHCA_DEFAULT_NUM_CQ (1 << 16) 82219820Sjeff#define MTHCA_DEFAULT_NUM_MCG (1 << 13) 83219820Sjeff#define MTHCA_DEFAULT_NUM_MPT (1 << 17) 84219820Sjeff#define MTHCA_DEFAULT_NUM_MTT (1 << 20) 85219820Sjeff#define MTHCA_DEFAULT_NUM_UDAV (1 << 15) 86219820Sjeff#define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18) 87219820Sjeff#define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18) 88219820Sjeff 89219820Sjeffstatic struct mthca_profile hca_profile = { 90219820Sjeff .num_qp = MTHCA_DEFAULT_NUM_QP, 91219820Sjeff .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP, 92219820Sjeff .num_cq = MTHCA_DEFAULT_NUM_CQ, 93219820Sjeff .num_mcg = MTHCA_DEFAULT_NUM_MCG, 94219820Sjeff .num_mpt = MTHCA_DEFAULT_NUM_MPT, 95219820Sjeff .num_mtt = MTHCA_DEFAULT_NUM_MTT, 96219820Sjeff .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */ 97219820Sjeff .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */ 98219820Sjeff .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */ 99219820Sjeff}; 100219820Sjeff 101219820Sjeffmodule_param_named(num_qp, hca_profile.num_qp, int, 0444); 102219820SjeffMODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA"); 103219820Sjeff 104219820Sjeffmodule_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444); 105219820SjeffMODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP"); 106219820Sjeff 107219820Sjeffmodule_param_named(num_cq, hca_profile.num_cq, int, 0444); 108219820SjeffMODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA"); 109219820Sjeff 110219820Sjeffmodule_param_named(num_mcg, hca_profile.num_mcg, int, 0444); 111219820SjeffMODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA"); 112219820Sjeff 113219820Sjeffmodule_param_named(num_mpt, hca_profile.num_mpt, int, 0444); 114219820SjeffMODULE_PARM_DESC(num_mpt, 115219820Sjeff "maximum number of memory protection table entries per HCA"); 116219820Sjeff 117219820Sjeffmodule_param_named(num_mtt, hca_profile.num_mtt, int, 0444); 118219820SjeffMODULE_PARM_DESC(num_mtt, 119219820Sjeff "maximum number of memory translation table segments per HCA"); 120219820Sjeff 121219820Sjeffmodule_param_named(num_udav, hca_profile.num_udav, int, 0444); 122219820SjeffMODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA"); 123219820Sjeff 124219820Sjeffmodule_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444); 125219820SjeffMODULE_PARM_DESC(fmr_reserved_mtts, 126219820Sjeff "number of memory translation table segments reserved for FMR"); 127219820Sjeff 128219820Sjeffstatic int log_mtts_per_seg; 129219820Sjeffmodule_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); 130219820SjeffMODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); 131219820Sjeff 132219820Sjeffstatic char mthca_version[] __devinitdata = 133219820Sjeff DRV_NAME ": Mellanox InfiniBand HCA driver v" 134219820Sjeff DRV_VERSION " (" DRV_RELDATE ")\n"; 135219820Sjeff 136219820Sjeffstatic int mthca_tune_pci(struct mthca_dev *mdev) 137219820Sjeff{ 138219820Sjeff if (!tune_pci) 139219820Sjeff return 0; 140219820Sjeff 141219820Sjeff /* First try to max out Read Byte Count */ 142219820Sjeff if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) { 143219820Sjeff if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) { 144219820Sjeff mthca_err(mdev, "Couldn't set PCI-X max read count, " 145219820Sjeff "aborting.\n"); 146219820Sjeff return -ENODEV; 147219820Sjeff } 148219820Sjeff } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE)) 149219820Sjeff mthca_info(mdev, "No PCI-X capability, not setting RBC.\n"); 150219820Sjeff 151219820Sjeff if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) { 152219820Sjeff if (pcie_set_readrq(mdev->pdev, 4096)) { 153219820Sjeff mthca_err(mdev, "Couldn't write PCI Express read request, " 154219820Sjeff "aborting.\n"); 155219820Sjeff return -ENODEV; 156219820Sjeff } 157219820Sjeff } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE) 158219820Sjeff mthca_info(mdev, "No PCI Express capability, " 159219820Sjeff "not setting Max Read Request Size.\n"); 160219820Sjeff 161219820Sjeff return 0; 162219820Sjeff} 163219820Sjeff 164219820Sjeffstatic int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) 165219820Sjeff{ 166219820Sjeff int err; 167219820Sjeff u8 status; 168219820Sjeff 169219820Sjeff mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8; 170219820Sjeff err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status); 171219820Sjeff if (err) { 172219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 173219820Sjeff return err; 174219820Sjeff } 175219820Sjeff if (status) { 176219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, " 177219820Sjeff "aborting.\n", status); 178219820Sjeff return -EINVAL; 179219820Sjeff } 180219820Sjeff if (dev_lim->min_page_sz > PAGE_SIZE) { 181219820Sjeff mthca_err(mdev, "HCA minimum page size of %d bigger than " 182219820Sjeff "kernel PAGE_SIZE of %d, aborting.\n", 183219820Sjeff dev_lim->min_page_sz, PAGE_SIZE); 184219820Sjeff return -ENODEV; 185219820Sjeff } 186219820Sjeff if (dev_lim->num_ports > MTHCA_MAX_PORTS) { 187219820Sjeff mthca_err(mdev, "HCA has %d ports, but we only support %d, " 188219820Sjeff "aborting.\n", 189219820Sjeff dev_lim->num_ports, MTHCA_MAX_PORTS); 190219820Sjeff return -ENODEV; 191219820Sjeff } 192219820Sjeff 193219820Sjeff if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) { 194219820Sjeff mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than " 195219820Sjeff "PCI resource 2 size of 0x%llx, aborting.\n", 196219820Sjeff dev_lim->uar_size, 197219820Sjeff (unsigned long long)pci_resource_len(mdev->pdev, 2)); 198219820Sjeff return -ENODEV; 199219820Sjeff } 200219820Sjeff 201219820Sjeff mdev->limits.num_ports = dev_lim->num_ports; 202219820Sjeff mdev->limits.vl_cap = dev_lim->max_vl; 203219820Sjeff mdev->limits.mtu_cap = dev_lim->max_mtu; 204219820Sjeff mdev->limits.gid_table_len = dev_lim->max_gids; 205219820Sjeff mdev->limits.pkey_table_len = dev_lim->max_pkeys; 206219820Sjeff mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; 207219820Sjeff /* 208219820Sjeff * Need to allow for worst case send WQE overhead and check 209219820Sjeff * whether max_desc_sz imposes a lower limit than max_sg; UD 210219820Sjeff * send has the biggest overhead. 211219820Sjeff */ 212219820Sjeff mdev->limits.max_sg = min_t(int, dev_lim->max_sg, 213219820Sjeff (dev_lim->max_desc_sz - 214219820Sjeff sizeof (struct mthca_next_seg) - 215219820Sjeff (mthca_is_memfree(mdev) ? 216219820Sjeff sizeof (struct mthca_arbel_ud_seg) : 217219820Sjeff sizeof (struct mthca_tavor_ud_seg))) / 218219820Sjeff sizeof (struct mthca_data_seg)); 219219820Sjeff mdev->limits.max_wqes = dev_lim->max_qp_sz; 220219820Sjeff mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; 221219820Sjeff mdev->limits.reserved_qps = dev_lim->reserved_qps; 222219820Sjeff mdev->limits.max_srq_wqes = dev_lim->max_srq_sz; 223219820Sjeff mdev->limits.reserved_srqs = dev_lim->reserved_srqs; 224219820Sjeff mdev->limits.reserved_eecs = dev_lim->reserved_eecs; 225219820Sjeff mdev->limits.max_desc_sz = dev_lim->max_desc_sz; 226219820Sjeff mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev); 227219820Sjeff /* 228219820Sjeff * Subtract 1 from the limit because we need to allocate a 229219820Sjeff * spare CQE so the HCA HW can tell the difference between an 230219820Sjeff * empty CQ and a full CQ. 231219820Sjeff */ 232219820Sjeff mdev->limits.max_cqes = dev_lim->max_cq_sz - 1; 233219820Sjeff mdev->limits.reserved_cqs = dev_lim->reserved_cqs; 234219820Sjeff mdev->limits.reserved_eqs = dev_lim->reserved_eqs; 235219820Sjeff mdev->limits.reserved_mtts = dev_lim->reserved_mtts; 236219820Sjeff mdev->limits.reserved_mrws = dev_lim->reserved_mrws; 237219820Sjeff mdev->limits.reserved_uars = dev_lim->reserved_uars; 238219820Sjeff mdev->limits.reserved_pds = dev_lim->reserved_pds; 239219820Sjeff mdev->limits.port_width_cap = dev_lim->max_port_width; 240219820Sjeff mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1); 241219820Sjeff mdev->limits.flags = dev_lim->flags; 242219820Sjeff /* 243219820Sjeff * For old FW that doesn't return static rate support, use a 244219820Sjeff * value of 0x3 (only static rate values of 0 or 1 are handled), 245219820Sjeff * except on Sinai, where even old FW can handle static rate 246219820Sjeff * values of 2 and 3. 247219820Sjeff */ 248219820Sjeff if (dev_lim->stat_rate_support) 249219820Sjeff mdev->limits.stat_rate_support = dev_lim->stat_rate_support; 250219820Sjeff else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) 251219820Sjeff mdev->limits.stat_rate_support = 0xf; 252219820Sjeff else 253219820Sjeff mdev->limits.stat_rate_support = 0x3; 254219820Sjeff 255219820Sjeff /* IB_DEVICE_RESIZE_MAX_WR not supported by driver. 256219820Sjeff May be doable since hardware supports it for SRQ. 257219820Sjeff 258219820Sjeff IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver. 259219820Sjeff 260219820Sjeff IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not 261219820Sjeff supported by driver. */ 262219820Sjeff mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | 263219820Sjeff IB_DEVICE_PORT_ACTIVE_EVENT | 264219820Sjeff IB_DEVICE_SYS_IMAGE_GUID | 265219820Sjeff IB_DEVICE_RC_RNR_NAK_GEN; 266219820Sjeff 267219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR) 268219820Sjeff mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; 269219820Sjeff 270219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR) 271219820Sjeff mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; 272219820Sjeff 273219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI) 274219820Sjeff mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI; 275219820Sjeff 276219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG) 277219820Sjeff mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; 278219820Sjeff 279219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE) 280219820Sjeff mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; 281219820Sjeff 282219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_SRQ) 283219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_SRQ; 284219820Sjeff 285219820Sjeff if (mthca_is_memfree(mdev)) 286219820Sjeff if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM) 287219820Sjeff mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; 288219820Sjeff 289219820Sjeff return 0; 290219820Sjeff} 291219820Sjeff 292219820Sjeffstatic int mthca_init_tavor(struct mthca_dev *mdev) 293219820Sjeff{ 294219820Sjeff s64 size; 295219820Sjeff u8 status; 296219820Sjeff int err; 297219820Sjeff struct mthca_dev_lim dev_lim; 298219820Sjeff struct mthca_profile profile; 299219820Sjeff struct mthca_init_hca_param init_hca; 300219820Sjeff 301219820Sjeff err = mthca_SYS_EN(mdev, &status); 302219820Sjeff if (err) { 303219820Sjeff mthca_err(mdev, "SYS_EN command failed, aborting.\n"); 304219820Sjeff return err; 305219820Sjeff } 306219820Sjeff if (status) { 307219820Sjeff mthca_err(mdev, "SYS_EN returned status 0x%02x, " 308219820Sjeff "aborting.\n", status); 309219820Sjeff return -EINVAL; 310219820Sjeff } 311219820Sjeff 312219820Sjeff err = mthca_QUERY_FW(mdev, &status); 313219820Sjeff if (err) { 314219820Sjeff mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); 315219820Sjeff goto err_disable; 316219820Sjeff } 317219820Sjeff if (status) { 318219820Sjeff mthca_err(mdev, "QUERY_FW returned status 0x%02x, " 319219820Sjeff "aborting.\n", status); 320219820Sjeff err = -EINVAL; 321219820Sjeff goto err_disable; 322219820Sjeff } 323219820Sjeff err = mthca_QUERY_DDR(mdev, &status); 324219820Sjeff if (err) { 325219820Sjeff mthca_err(mdev, "QUERY_DDR command failed, aborting.\n"); 326219820Sjeff goto err_disable; 327219820Sjeff } 328219820Sjeff if (status) { 329219820Sjeff mthca_err(mdev, "QUERY_DDR returned status 0x%02x, " 330219820Sjeff "aborting.\n", status); 331219820Sjeff err = -EINVAL; 332219820Sjeff goto err_disable; 333219820Sjeff } 334219820Sjeff 335219820Sjeff err = mthca_dev_lim(mdev, &dev_lim); 336219820Sjeff if (err) { 337219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 338219820Sjeff goto err_disable; 339219820Sjeff } 340219820Sjeff 341219820Sjeff profile = hca_profile; 342219820Sjeff profile.num_uar = dev_lim.uar_size / PAGE_SIZE; 343219820Sjeff profile.uarc_size = 0; 344219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 345219820Sjeff profile.num_srq = dev_lim.max_srqs; 346219820Sjeff 347219820Sjeff size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); 348219820Sjeff if (size < 0) { 349219820Sjeff err = size; 350219820Sjeff goto err_disable; 351219820Sjeff } 352219820Sjeff 353219820Sjeff err = mthca_INIT_HCA(mdev, &init_hca, &status); 354219820Sjeff if (err) { 355219820Sjeff mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); 356219820Sjeff goto err_disable; 357219820Sjeff } 358219820Sjeff if (status) { 359219820Sjeff mthca_err(mdev, "INIT_HCA returned status 0x%02x, " 360219820Sjeff "aborting.\n", status); 361219820Sjeff err = -EINVAL; 362219820Sjeff goto err_disable; 363219820Sjeff } 364219820Sjeff 365219820Sjeff return 0; 366219820Sjeff 367219820Sjefferr_disable: 368219820Sjeff mthca_SYS_DIS(mdev, &status); 369219820Sjeff 370219820Sjeff return err; 371219820Sjeff} 372219820Sjeff 373219820Sjeffstatic int mthca_load_fw(struct mthca_dev *mdev) 374219820Sjeff{ 375219820Sjeff u8 status; 376219820Sjeff int err; 377219820Sjeff 378219820Sjeff /* FIXME: use HCA-attached memory for FW if present */ 379219820Sjeff 380219820Sjeff mdev->fw.arbel.fw_icm = 381219820Sjeff mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages, 382219820Sjeff GFP_HIGHUSER | __GFP_NOWARN, 0); 383219820Sjeff if (!mdev->fw.arbel.fw_icm) { 384219820Sjeff mthca_err(mdev, "Couldn't allocate FW area, aborting.\n"); 385219820Sjeff return -ENOMEM; 386219820Sjeff } 387219820Sjeff 388219820Sjeff err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status); 389219820Sjeff if (err) { 390219820Sjeff mthca_err(mdev, "MAP_FA command failed, aborting.\n"); 391219820Sjeff goto err_free; 392219820Sjeff } 393219820Sjeff if (status) { 394219820Sjeff mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status); 395219820Sjeff err = -EINVAL; 396219820Sjeff goto err_free; 397219820Sjeff } 398219820Sjeff err = mthca_RUN_FW(mdev, &status); 399219820Sjeff if (err) { 400219820Sjeff mthca_err(mdev, "RUN_FW command failed, aborting.\n"); 401219820Sjeff goto err_unmap_fa; 402219820Sjeff } 403219820Sjeff if (status) { 404219820Sjeff mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status); 405219820Sjeff err = -EINVAL; 406219820Sjeff goto err_unmap_fa; 407219820Sjeff } 408219820Sjeff 409219820Sjeff return 0; 410219820Sjeff 411219820Sjefferr_unmap_fa: 412219820Sjeff mthca_UNMAP_FA(mdev, &status); 413219820Sjeff 414219820Sjefferr_free: 415219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 416219820Sjeff return err; 417219820Sjeff} 418219820Sjeff 419219820Sjeffstatic int mthca_init_icm(struct mthca_dev *mdev, 420219820Sjeff struct mthca_dev_lim *dev_lim, 421219820Sjeff struct mthca_init_hca_param *init_hca, 422219820Sjeff u64 icm_size) 423219820Sjeff{ 424219820Sjeff u64 aux_pages; 425219820Sjeff u8 status; 426219820Sjeff int err; 427219820Sjeff 428219820Sjeff err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status); 429219820Sjeff if (err) { 430219820Sjeff mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n"); 431219820Sjeff return err; 432219820Sjeff } 433219820Sjeff if (status) { 434219820Sjeff mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, " 435219820Sjeff "aborting.\n", status); 436219820Sjeff return -EINVAL; 437219820Sjeff } 438219820Sjeff 439219820Sjeff mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n", 440219820Sjeff (unsigned long long) icm_size >> 10, 441219820Sjeff (unsigned long long) aux_pages << 2); 442219820Sjeff 443219820Sjeff mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages, 444219820Sjeff GFP_HIGHUSER | __GFP_NOWARN, 0); 445219820Sjeff if (!mdev->fw.arbel.aux_icm) { 446219820Sjeff mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n"); 447219820Sjeff return -ENOMEM; 448219820Sjeff } 449219820Sjeff 450219820Sjeff err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status); 451219820Sjeff if (err) { 452219820Sjeff mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n"); 453219820Sjeff goto err_free_aux; 454219820Sjeff } 455219820Sjeff if (status) { 456219820Sjeff mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status); 457219820Sjeff err = -EINVAL; 458219820Sjeff goto err_free_aux; 459219820Sjeff } 460219820Sjeff 461219820Sjeff err = mthca_map_eq_icm(mdev, init_hca->eqc_base); 462219820Sjeff if (err) { 463219820Sjeff mthca_err(mdev, "Failed to map EQ context memory, aborting.\n"); 464219820Sjeff goto err_unmap_aux; 465219820Sjeff } 466219820Sjeff 467219820Sjeff /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */ 468219820Sjeff mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size, 469219820Sjeff dma_get_cache_alignment()) / mdev->limits.mtt_seg_size; 470219820Sjeff 471219820Sjeff mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base, 472219820Sjeff mdev->limits.mtt_seg_size, 473219820Sjeff mdev->limits.num_mtt_segs, 474219820Sjeff mdev->limits.reserved_mtts, 475219820Sjeff 1, 0); 476219820Sjeff if (!mdev->mr_table.mtt_table) { 477219820Sjeff mthca_err(mdev, "Failed to map MTT context memory, aborting.\n"); 478219820Sjeff err = -ENOMEM; 479219820Sjeff goto err_unmap_eq; 480219820Sjeff } 481219820Sjeff 482219820Sjeff mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base, 483219820Sjeff dev_lim->mpt_entry_sz, 484219820Sjeff mdev->limits.num_mpts, 485219820Sjeff mdev->limits.reserved_mrws, 486219820Sjeff 1, 1); 487219820Sjeff if (!mdev->mr_table.mpt_table) { 488219820Sjeff mthca_err(mdev, "Failed to map MPT context memory, aborting.\n"); 489219820Sjeff err = -ENOMEM; 490219820Sjeff goto err_unmap_mtt; 491219820Sjeff } 492219820Sjeff 493219820Sjeff mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base, 494219820Sjeff dev_lim->qpc_entry_sz, 495219820Sjeff mdev->limits.num_qps, 496219820Sjeff mdev->limits.reserved_qps, 497219820Sjeff 0, 0); 498219820Sjeff if (!mdev->qp_table.qp_table) { 499219820Sjeff mthca_err(mdev, "Failed to map QP context memory, aborting.\n"); 500219820Sjeff err = -ENOMEM; 501219820Sjeff goto err_unmap_mpt; 502219820Sjeff } 503219820Sjeff 504219820Sjeff mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base, 505219820Sjeff dev_lim->eqpc_entry_sz, 506219820Sjeff mdev->limits.num_qps, 507219820Sjeff mdev->limits.reserved_qps, 508219820Sjeff 0, 0); 509219820Sjeff if (!mdev->qp_table.eqp_table) { 510219820Sjeff mthca_err(mdev, "Failed to map EQP context memory, aborting.\n"); 511219820Sjeff err = -ENOMEM; 512219820Sjeff goto err_unmap_qp; 513219820Sjeff } 514219820Sjeff 515219820Sjeff mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base, 516219820Sjeff MTHCA_RDB_ENTRY_SIZE, 517219820Sjeff mdev->limits.num_qps << 518219820Sjeff mdev->qp_table.rdb_shift, 0, 519219820Sjeff 0, 0); 520219820Sjeff if (!mdev->qp_table.rdb_table) { 521219820Sjeff mthca_err(mdev, "Failed to map RDB context memory, aborting\n"); 522219820Sjeff err = -ENOMEM; 523219820Sjeff goto err_unmap_eqp; 524219820Sjeff } 525219820Sjeff 526219820Sjeff mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base, 527219820Sjeff dev_lim->cqc_entry_sz, 528219820Sjeff mdev->limits.num_cqs, 529219820Sjeff mdev->limits.reserved_cqs, 530219820Sjeff 0, 0); 531219820Sjeff if (!mdev->cq_table.table) { 532219820Sjeff mthca_err(mdev, "Failed to map CQ context memory, aborting.\n"); 533219820Sjeff err = -ENOMEM; 534219820Sjeff goto err_unmap_rdb; 535219820Sjeff } 536219820Sjeff 537219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) { 538219820Sjeff mdev->srq_table.table = 539219820Sjeff mthca_alloc_icm_table(mdev, init_hca->srqc_base, 540219820Sjeff dev_lim->srq_entry_sz, 541219820Sjeff mdev->limits.num_srqs, 542219820Sjeff mdev->limits.reserved_srqs, 543219820Sjeff 0, 0); 544219820Sjeff if (!mdev->srq_table.table) { 545219820Sjeff mthca_err(mdev, "Failed to map SRQ context memory, " 546219820Sjeff "aborting.\n"); 547219820Sjeff err = -ENOMEM; 548219820Sjeff goto err_unmap_cq; 549219820Sjeff } 550219820Sjeff } 551219820Sjeff 552219820Sjeff /* 553219820Sjeff * It's not strictly required, but for simplicity just map the 554219820Sjeff * whole multicast group table now. The table isn't very big 555219820Sjeff * and it's a lot easier than trying to track ref counts. 556219820Sjeff */ 557219820Sjeff mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base, 558219820Sjeff MTHCA_MGM_ENTRY_SIZE, 559219820Sjeff mdev->limits.num_mgms + 560219820Sjeff mdev->limits.num_amgms, 561219820Sjeff mdev->limits.num_mgms + 562219820Sjeff mdev->limits.num_amgms, 563219820Sjeff 0, 0); 564219820Sjeff if (!mdev->mcg_table.table) { 565219820Sjeff mthca_err(mdev, "Failed to map MCG context memory, aborting.\n"); 566219820Sjeff err = -ENOMEM; 567219820Sjeff goto err_unmap_srq; 568219820Sjeff } 569219820Sjeff 570219820Sjeff return 0; 571219820Sjeff 572219820Sjefferr_unmap_srq: 573219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 574219820Sjeff mthca_free_icm_table(mdev, mdev->srq_table.table); 575219820Sjeff 576219820Sjefferr_unmap_cq: 577219820Sjeff mthca_free_icm_table(mdev, mdev->cq_table.table); 578219820Sjeff 579219820Sjefferr_unmap_rdb: 580219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); 581219820Sjeff 582219820Sjefferr_unmap_eqp: 583219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); 584219820Sjeff 585219820Sjefferr_unmap_qp: 586219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.qp_table); 587219820Sjeff 588219820Sjefferr_unmap_mpt: 589219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); 590219820Sjeff 591219820Sjefferr_unmap_mtt: 592219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); 593219820Sjeff 594219820Sjefferr_unmap_eq: 595219820Sjeff mthca_unmap_eq_icm(mdev); 596219820Sjeff 597219820Sjefferr_unmap_aux: 598219820Sjeff mthca_UNMAP_ICM_AUX(mdev, &status); 599219820Sjeff 600219820Sjefferr_free_aux: 601219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); 602219820Sjeff 603219820Sjeff return err; 604219820Sjeff} 605219820Sjeff 606219820Sjeffstatic void mthca_free_icms(struct mthca_dev *mdev) 607219820Sjeff{ 608219820Sjeff u8 status; 609219820Sjeff 610219820Sjeff mthca_free_icm_table(mdev, mdev->mcg_table.table); 611219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 612219820Sjeff mthca_free_icm_table(mdev, mdev->srq_table.table); 613219820Sjeff mthca_free_icm_table(mdev, mdev->cq_table.table); 614219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); 615219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); 616219820Sjeff mthca_free_icm_table(mdev, mdev->qp_table.qp_table); 617219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); 618219820Sjeff mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); 619219820Sjeff mthca_unmap_eq_icm(mdev); 620219820Sjeff 621219820Sjeff mthca_UNMAP_ICM_AUX(mdev, &status); 622219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); 623219820Sjeff} 624219820Sjeff 625219820Sjeffstatic int mthca_init_arbel(struct mthca_dev *mdev) 626219820Sjeff{ 627219820Sjeff struct mthca_dev_lim dev_lim; 628219820Sjeff struct mthca_profile profile; 629219820Sjeff struct mthca_init_hca_param init_hca; 630219820Sjeff s64 icm_size; 631219820Sjeff u8 status; 632219820Sjeff int err; 633219820Sjeff 634219820Sjeff err = mthca_QUERY_FW(mdev, &status); 635219820Sjeff if (err) { 636219820Sjeff mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); 637219820Sjeff return err; 638219820Sjeff } 639219820Sjeff if (status) { 640219820Sjeff mthca_err(mdev, "QUERY_FW returned status 0x%02x, " 641219820Sjeff "aborting.\n", status); 642219820Sjeff return -EINVAL; 643219820Sjeff } 644219820Sjeff 645219820Sjeff err = mthca_ENABLE_LAM(mdev, &status); 646219820Sjeff if (err) { 647219820Sjeff mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n"); 648219820Sjeff return err; 649219820Sjeff } 650219820Sjeff if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) { 651219820Sjeff mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n"); 652219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_NO_LAM; 653219820Sjeff } else if (status) { 654219820Sjeff mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, " 655219820Sjeff "aborting.\n", status); 656219820Sjeff return -EINVAL; 657219820Sjeff } 658219820Sjeff 659219820Sjeff err = mthca_load_fw(mdev); 660219820Sjeff if (err) { 661219820Sjeff mthca_err(mdev, "Failed to start FW, aborting.\n"); 662219820Sjeff goto err_disable; 663219820Sjeff } 664219820Sjeff 665219820Sjeff err = mthca_dev_lim(mdev, &dev_lim); 666219820Sjeff if (err) { 667219820Sjeff mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); 668219820Sjeff goto err_stop_fw; 669219820Sjeff } 670219820Sjeff 671219820Sjeff profile = hca_profile; 672219820Sjeff profile.num_uar = dev_lim.uar_size / PAGE_SIZE; 673219820Sjeff profile.num_udav = 0; 674219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_SRQ) 675219820Sjeff profile.num_srq = dev_lim.max_srqs; 676219820Sjeff 677219820Sjeff icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); 678219820Sjeff if (icm_size < 0) { 679219820Sjeff err = icm_size; 680219820Sjeff goto err_stop_fw; 681219820Sjeff } 682219820Sjeff 683219820Sjeff err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size); 684219820Sjeff if (err) 685219820Sjeff goto err_stop_fw; 686219820Sjeff 687219820Sjeff err = mthca_INIT_HCA(mdev, &init_hca, &status); 688219820Sjeff if (err) { 689219820Sjeff mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); 690219820Sjeff goto err_free_icm; 691219820Sjeff } 692219820Sjeff if (status) { 693219820Sjeff mthca_err(mdev, "INIT_HCA returned status 0x%02x, " 694219820Sjeff "aborting.\n", status); 695219820Sjeff err = -EINVAL; 696219820Sjeff goto err_free_icm; 697219820Sjeff } 698219820Sjeff 699219820Sjeff return 0; 700219820Sjeff 701219820Sjefferr_free_icm: 702219820Sjeff mthca_free_icms(mdev); 703219820Sjeff 704219820Sjefferr_stop_fw: 705219820Sjeff mthca_UNMAP_FA(mdev, &status); 706219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 707219820Sjeff 708219820Sjefferr_disable: 709219820Sjeff if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) 710219820Sjeff mthca_DISABLE_LAM(mdev, &status); 711219820Sjeff 712219820Sjeff return err; 713219820Sjeff} 714219820Sjeff 715219820Sjeffstatic void mthca_close_hca(struct mthca_dev *mdev) 716219820Sjeff{ 717219820Sjeff u8 status; 718219820Sjeff 719219820Sjeff mthca_CLOSE_HCA(mdev, 0, &status); 720219820Sjeff 721219820Sjeff if (mthca_is_memfree(mdev)) { 722219820Sjeff mthca_free_icms(mdev); 723219820Sjeff 724219820Sjeff mthca_UNMAP_FA(mdev, &status); 725219820Sjeff mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); 726219820Sjeff 727219820Sjeff if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) 728219820Sjeff mthca_DISABLE_LAM(mdev, &status); 729219820Sjeff } else 730219820Sjeff mthca_SYS_DIS(mdev, &status); 731219820Sjeff} 732219820Sjeff 733219820Sjeffstatic int mthca_init_hca(struct mthca_dev *mdev) 734219820Sjeff{ 735219820Sjeff u8 status; 736219820Sjeff int err; 737219820Sjeff struct mthca_adapter adapter; 738219820Sjeff 739219820Sjeff if (mthca_is_memfree(mdev)) 740219820Sjeff err = mthca_init_arbel(mdev); 741219820Sjeff else 742219820Sjeff err = mthca_init_tavor(mdev); 743219820Sjeff 744219820Sjeff if (err) 745219820Sjeff return err; 746219820Sjeff 747219820Sjeff err = mthca_QUERY_ADAPTER(mdev, &adapter, &status); 748219820Sjeff if (err) { 749219820Sjeff mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n"); 750219820Sjeff goto err_close; 751219820Sjeff } 752219820Sjeff if (status) { 753219820Sjeff mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, " 754219820Sjeff "aborting.\n", status); 755219820Sjeff err = -EINVAL; 756219820Sjeff goto err_close; 757219820Sjeff } 758219820Sjeff 759219820Sjeff mdev->eq_table.inta_pin = adapter.inta_pin; 760219820Sjeff if (!mthca_is_memfree(mdev)) 761219820Sjeff mdev->rev_id = adapter.revision_id; 762219820Sjeff memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id); 763219820Sjeff 764219820Sjeff return 0; 765219820Sjeff 766219820Sjefferr_close: 767219820Sjeff mthca_close_hca(mdev); 768219820Sjeff return err; 769219820Sjeff} 770219820Sjeff 771219820Sjeffstatic int mthca_setup_hca(struct mthca_dev *dev) 772219820Sjeff{ 773219820Sjeff int err; 774219820Sjeff u8 status; 775219820Sjeff 776219820Sjeff MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock); 777219820Sjeff 778219820Sjeff err = mthca_init_uar_table(dev); 779219820Sjeff if (err) { 780219820Sjeff mthca_err(dev, "Failed to initialize " 781219820Sjeff "user access region table, aborting.\n"); 782219820Sjeff return err; 783219820Sjeff } 784219820Sjeff 785219820Sjeff err = mthca_uar_alloc(dev, &dev->driver_uar); 786219820Sjeff if (err) { 787219820Sjeff mthca_err(dev, "Failed to allocate driver access region, " 788219820Sjeff "aborting.\n"); 789219820Sjeff goto err_uar_table_free; 790219820Sjeff } 791219820Sjeff 792219820Sjeff dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); 793219820Sjeff if (!dev->kar) { 794219820Sjeff mthca_err(dev, "Couldn't map kernel access region, " 795219820Sjeff "aborting.\n"); 796219820Sjeff err = -ENOMEM; 797219820Sjeff goto err_uar_free; 798219820Sjeff } 799219820Sjeff 800219820Sjeff err = mthca_init_pd_table(dev); 801219820Sjeff if (err) { 802219820Sjeff mthca_err(dev, "Failed to initialize " 803219820Sjeff "protection domain table, aborting.\n"); 804219820Sjeff goto err_kar_unmap; 805219820Sjeff } 806219820Sjeff 807219820Sjeff err = mthca_init_mr_table(dev); 808219820Sjeff if (err) { 809219820Sjeff mthca_err(dev, "Failed to initialize " 810219820Sjeff "memory region table, aborting.\n"); 811219820Sjeff goto err_pd_table_free; 812219820Sjeff } 813219820Sjeff 814219820Sjeff err = mthca_pd_alloc(dev, 1, &dev->driver_pd); 815219820Sjeff if (err) { 816219820Sjeff mthca_err(dev, "Failed to create driver PD, " 817219820Sjeff "aborting.\n"); 818219820Sjeff goto err_mr_table_free; 819219820Sjeff } 820219820Sjeff 821219820Sjeff err = mthca_init_eq_table(dev); 822219820Sjeff if (err) { 823219820Sjeff mthca_err(dev, "Failed to initialize " 824219820Sjeff "event queue table, aborting.\n"); 825219820Sjeff goto err_pd_free; 826219820Sjeff } 827219820Sjeff 828219820Sjeff err = mthca_cmd_use_events(dev); 829219820Sjeff if (err) { 830219820Sjeff mthca_err(dev, "Failed to switch to event-driven " 831219820Sjeff "firmware commands, aborting.\n"); 832219820Sjeff goto err_eq_table_free; 833219820Sjeff } 834219820Sjeff 835219820Sjeff err = mthca_NOP(dev, &status); 836219820Sjeff if (err || status) { 837219820Sjeff if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { 838219820Sjeff mthca_warn(dev, "NOP command failed to generate interrupt " 839219820Sjeff "(IRQ %d).\n", 840219820Sjeff dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector); 841219820Sjeff mthca_warn(dev, "Trying again with MSI-X disabled.\n"); 842219820Sjeff } else { 843219820Sjeff mthca_err(dev, "NOP command failed to generate interrupt " 844219820Sjeff "(IRQ %d), aborting.\n", 845219820Sjeff dev->pdev->irq); 846219820Sjeff mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n"); 847219820Sjeff } 848219820Sjeff 849219820Sjeff goto err_cmd_poll; 850219820Sjeff } 851219820Sjeff 852219820Sjeff mthca_dbg(dev, "NOP command IRQ test passed\n"); 853219820Sjeff 854219820Sjeff err = mthca_init_cq_table(dev); 855219820Sjeff if (err) { 856219820Sjeff mthca_err(dev, "Failed to initialize " 857219820Sjeff "completion queue table, aborting.\n"); 858219820Sjeff goto err_cmd_poll; 859219820Sjeff } 860219820Sjeff 861219820Sjeff err = mthca_init_srq_table(dev); 862219820Sjeff if (err) { 863219820Sjeff mthca_err(dev, "Failed to initialize " 864219820Sjeff "shared receive queue table, aborting.\n"); 865219820Sjeff goto err_cq_table_free; 866219820Sjeff } 867219820Sjeff 868219820Sjeff err = mthca_init_qp_table(dev); 869219820Sjeff if (err) { 870219820Sjeff mthca_err(dev, "Failed to initialize " 871219820Sjeff "queue pair table, aborting.\n"); 872219820Sjeff goto err_srq_table_free; 873219820Sjeff } 874219820Sjeff 875219820Sjeff err = mthca_init_av_table(dev); 876219820Sjeff if (err) { 877219820Sjeff mthca_err(dev, "Failed to initialize " 878219820Sjeff "address vector table, aborting.\n"); 879219820Sjeff goto err_qp_table_free; 880219820Sjeff } 881219820Sjeff 882219820Sjeff err = mthca_init_mcg_table(dev); 883219820Sjeff if (err) { 884219820Sjeff mthca_err(dev, "Failed to initialize " 885219820Sjeff "multicast group table, aborting.\n"); 886219820Sjeff goto err_av_table_free; 887219820Sjeff } 888219820Sjeff 889219820Sjeff return 0; 890219820Sjeff 891219820Sjefferr_av_table_free: 892219820Sjeff mthca_cleanup_av_table(dev); 893219820Sjeff 894219820Sjefferr_qp_table_free: 895219820Sjeff mthca_cleanup_qp_table(dev); 896219820Sjeff 897219820Sjefferr_srq_table_free: 898219820Sjeff mthca_cleanup_srq_table(dev); 899219820Sjeff 900219820Sjefferr_cq_table_free: 901219820Sjeff mthca_cleanup_cq_table(dev); 902219820Sjeff 903219820Sjefferr_cmd_poll: 904219820Sjeff mthca_cmd_use_polling(dev); 905219820Sjeff 906219820Sjefferr_eq_table_free: 907219820Sjeff mthca_cleanup_eq_table(dev); 908219820Sjeff 909219820Sjefferr_pd_free: 910219820Sjeff mthca_pd_free(dev, &dev->driver_pd); 911219820Sjeff 912219820Sjefferr_mr_table_free: 913219820Sjeff mthca_cleanup_mr_table(dev); 914219820Sjeff 915219820Sjefferr_pd_table_free: 916219820Sjeff mthca_cleanup_pd_table(dev); 917219820Sjeff 918219820Sjefferr_kar_unmap: 919219820Sjeff iounmap(dev->kar); 920219820Sjeff 921219820Sjefferr_uar_free: 922219820Sjeff mthca_uar_free(dev, &dev->driver_uar); 923219820Sjeff 924219820Sjefferr_uar_table_free: 925219820Sjeff mthca_cleanup_uar_table(dev); 926219820Sjeff return err; 927219820Sjeff} 928219820Sjeff 929219820Sjeffstatic int mthca_enable_msi_x(struct mthca_dev *mdev) 930219820Sjeff{ 931219820Sjeff struct msix_entry entries[3]; 932219820Sjeff int err; 933219820Sjeff 934219820Sjeff entries[0].entry = 0; 935219820Sjeff entries[1].entry = 1; 936219820Sjeff entries[2].entry = 2; 937219820Sjeff 938219820Sjeff err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries)); 939219820Sjeff if (err) { 940219820Sjeff if (err > 0) 941219820Sjeff mthca_info(mdev, "Only %d MSI-X vectors available, " 942219820Sjeff "not using MSI-X\n", err); 943219820Sjeff return err; 944219820Sjeff } 945219820Sjeff 946219820Sjeff mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector; 947219820Sjeff mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector; 948219820Sjeff mdev->eq_table.eq[MTHCA_EQ_CMD ].msi_x_vector = entries[2].vector; 949219820Sjeff 950219820Sjeff return 0; 951219820Sjeff} 952219820Sjeff 953219820Sjeff/* Types of supported HCA */ 954219820Sjeffenum { 955219820Sjeff TAVOR, /* MT23108 */ 956219820Sjeff ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ 957219820Sjeff ARBEL_NATIVE, /* MT25208 with extended features */ 958219820Sjeff SINAI /* MT25204 */ 959219820Sjeff}; 960219820Sjeff 961219820Sjeff#define MTHCA_FW_VER(major, minor, subminor) \ 962219820Sjeff (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor)) 963219820Sjeff 964219820Sjeffstatic struct { 965219820Sjeff u64 latest_fw; 966219820Sjeff u32 flags; 967219820Sjeff} mthca_hca_table[] = { 968219820Sjeff [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0), 969219820Sjeff .flags = 0 }, 970219820Sjeff [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200), 971219820Sjeff .flags = MTHCA_FLAG_PCIE }, 972219820Sjeff [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0), 973219820Sjeff .flags = MTHCA_FLAG_MEMFREE | 974219820Sjeff MTHCA_FLAG_PCIE }, 975219820Sjeff [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0), 976219820Sjeff .flags = MTHCA_FLAG_MEMFREE | 977219820Sjeff MTHCA_FLAG_PCIE | 978219820Sjeff MTHCA_FLAG_SINAI_OPT } 979219820Sjeff}; 980219820Sjeff 981219820Sjeffstatic int __mthca_init_one(struct pci_dev *pdev, int hca_type) 982219820Sjeff{ 983219820Sjeff int ddr_hidden = 0; 984219820Sjeff int err; 985219820Sjeff struct mthca_dev *mdev; 986219820Sjeff 987219820Sjeff printk(KERN_INFO PFX "Initializing %s\n", 988219820Sjeff pci_name(pdev)); 989219820Sjeff 990219820Sjeff err = pci_enable_device(pdev); 991219820Sjeff if (err) { 992219820Sjeff dev_err(&pdev->dev, "Cannot enable PCI device, " 993219820Sjeff "aborting.\n"); 994219820Sjeff return err; 995219820Sjeff } 996219820Sjeff 997219820Sjeff /* 998219820Sjeff * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not 999219820Sjeff * be present) 1000219820Sjeff */ 1001219820Sjeff if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || 1002219820Sjeff pci_resource_len(pdev, 0) != 1 << 20) { 1003219820Sjeff dev_err(&pdev->dev, "Missing DCS, aborting.\n"); 1004219820Sjeff err = -ENODEV; 1005219820Sjeff goto err_disable_pdev; 1006219820Sjeff } 1007219820Sjeff if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { 1008219820Sjeff dev_err(&pdev->dev, "Missing UAR, aborting.\n"); 1009219820Sjeff err = -ENODEV; 1010219820Sjeff goto err_disable_pdev; 1011219820Sjeff } 1012219820Sjeff if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM)) 1013219820Sjeff ddr_hidden = 1; 1014219820Sjeff 1015219820Sjeff err = pci_request_regions(pdev, DRV_NAME); 1016219820Sjeff if (err) { 1017219820Sjeff dev_err(&pdev->dev, "Cannot obtain PCI resources, " 1018219820Sjeff "aborting.\n"); 1019219820Sjeff goto err_disable_pdev; 1020219820Sjeff } 1021219820Sjeff 1022219820Sjeff pci_set_master(pdev); 1023219820Sjeff 1024219820Sjeff err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); 1025219820Sjeff if (err) { 1026219820Sjeff dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); 1027219820Sjeff err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1028219820Sjeff if (err) { 1029219820Sjeff dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); 1030219820Sjeff goto err_free_res; 1031219820Sjeff } 1032219820Sjeff } 1033219820Sjeff err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); 1034219820Sjeff if (err) { 1035219820Sjeff dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " 1036219820Sjeff "consistent PCI DMA mask.\n"); 1037219820Sjeff err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 1038219820Sjeff if (err) { 1039219820Sjeff dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " 1040219820Sjeff "aborting.\n"); 1041219820Sjeff goto err_free_res; 1042219820Sjeff } 1043219820Sjeff } 1044219820Sjeff 1045219820Sjeff mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev); 1046219820Sjeff if (!mdev) { 1047219820Sjeff dev_err(&pdev->dev, "Device struct alloc failed, " 1048219820Sjeff "aborting.\n"); 1049219820Sjeff err = -ENOMEM; 1050219820Sjeff goto err_free_res; 1051219820Sjeff } 1052219820Sjeff 1053219820Sjeff mdev->pdev = pdev; 1054219820Sjeff 1055219820Sjeff mdev->mthca_flags = mthca_hca_table[hca_type].flags; 1056219820Sjeff if (ddr_hidden) 1057219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN; 1058219820Sjeff 1059219820Sjeff /* 1060219820Sjeff * Now reset the HCA before we touch the PCI capabilities or 1061219820Sjeff * attempt a firmware command, since a boot ROM may have left 1062219820Sjeff * the HCA in an undefined state. 1063219820Sjeff */ 1064219820Sjeff err = mthca_reset(mdev); 1065219820Sjeff if (err) { 1066219820Sjeff mthca_err(mdev, "Failed to reset HCA, aborting.\n"); 1067219820Sjeff goto err_free_dev; 1068219820Sjeff } 1069219820Sjeff 1070219820Sjeff if (mthca_cmd_init(mdev)) { 1071219820Sjeff mthca_err(mdev, "Failed to init command interface, aborting.\n"); 1072219820Sjeff goto err_free_dev; 1073219820Sjeff } 1074219820Sjeff 1075219820Sjeff err = mthca_tune_pci(mdev); 1076219820Sjeff if (err) 1077219820Sjeff goto err_cmd; 1078219820Sjeff 1079219820Sjeff err = mthca_init_hca(mdev); 1080219820Sjeff if (err) 1081219820Sjeff goto err_cmd; 1082219820Sjeff 1083219820Sjeff if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) { 1084219820Sjeff mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n", 1085219820Sjeff (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff, 1086219820Sjeff (int) (mdev->fw_ver & 0xffff), 1087219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw >> 32), 1088219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff, 1089219820Sjeff (int) (mthca_hca_table[hca_type].latest_fw & 0xffff)); 1090219820Sjeff mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n"); 1091219820Sjeff } 1092219820Sjeff 1093219820Sjeff if (msi_x && !mthca_enable_msi_x(mdev)) 1094219820Sjeff mdev->mthca_flags |= MTHCA_FLAG_MSI_X; 1095219820Sjeff 1096219820Sjeff err = mthca_setup_hca(mdev); 1097219820Sjeff if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) { 1098219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1099219820Sjeff pci_disable_msix(pdev); 1100219820Sjeff mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X; 1101219820Sjeff 1102219820Sjeff err = mthca_setup_hca(mdev); 1103219820Sjeff } 1104219820Sjeff 1105219820Sjeff if (err) 1106219820Sjeff goto err_close; 1107219820Sjeff 1108219820Sjeff err = mthca_register_device(mdev); 1109219820Sjeff if (err) 1110219820Sjeff goto err_cleanup; 1111219820Sjeff 1112219820Sjeff err = mthca_create_agents(mdev); 1113219820Sjeff if (err) 1114219820Sjeff goto err_unregister; 1115219820Sjeff 1116219820Sjeff pci_set_drvdata(pdev, mdev); 1117219820Sjeff mdev->hca_type = hca_type; 1118219820Sjeff 1119219820Sjeff mdev->active = 1; 1120219820Sjeff 1121219820Sjeff return 0; 1122219820Sjeff 1123219820Sjefferr_unregister: 1124219820Sjeff mthca_unregister_device(mdev); 1125219820Sjeff 1126219820Sjefferr_cleanup: 1127219820Sjeff mthca_cleanup_mcg_table(mdev); 1128219820Sjeff mthca_cleanup_av_table(mdev); 1129219820Sjeff mthca_cleanup_qp_table(mdev); 1130219820Sjeff mthca_cleanup_srq_table(mdev); 1131219820Sjeff mthca_cleanup_cq_table(mdev); 1132219820Sjeff mthca_cmd_use_polling(mdev); 1133219820Sjeff mthca_cleanup_eq_table(mdev); 1134219820Sjeff 1135219820Sjeff mthca_pd_free(mdev, &mdev->driver_pd); 1136219820Sjeff 1137219820Sjeff mthca_cleanup_mr_table(mdev); 1138219820Sjeff mthca_cleanup_pd_table(mdev); 1139219820Sjeff mthca_cleanup_uar_table(mdev); 1140219820Sjeff 1141219820Sjefferr_close: 1142219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1143219820Sjeff pci_disable_msix(pdev); 1144219820Sjeff 1145219820Sjeff mthca_close_hca(mdev); 1146219820Sjeff 1147219820Sjefferr_cmd: 1148219820Sjeff mthca_cmd_cleanup(mdev); 1149219820Sjeff 1150219820Sjefferr_free_dev: 1151219820Sjeff ib_dealloc_device(&mdev->ib_dev); 1152219820Sjeff 1153219820Sjefferr_free_res: 1154219820Sjeff pci_release_regions(pdev); 1155219820Sjeff 1156219820Sjefferr_disable_pdev: 1157219820Sjeff pci_disable_device(pdev); 1158219820Sjeff pci_set_drvdata(pdev, NULL); 1159219820Sjeff return err; 1160219820Sjeff} 1161219820Sjeff 1162219820Sjeffstatic void __mthca_remove_one(struct pci_dev *pdev) 1163219820Sjeff{ 1164219820Sjeff struct mthca_dev *mdev = pci_get_drvdata(pdev); 1165219820Sjeff u8 status; 1166219820Sjeff int p; 1167219820Sjeff 1168219820Sjeff if (mdev) { 1169219820Sjeff mthca_free_agents(mdev); 1170219820Sjeff mthca_unregister_device(mdev); 1171219820Sjeff 1172219820Sjeff for (p = 1; p <= mdev->limits.num_ports; ++p) 1173219820Sjeff mthca_CLOSE_IB(mdev, p, &status); 1174219820Sjeff 1175219820Sjeff mthca_cleanup_mcg_table(mdev); 1176219820Sjeff mthca_cleanup_av_table(mdev); 1177219820Sjeff mthca_cleanup_qp_table(mdev); 1178219820Sjeff mthca_cleanup_srq_table(mdev); 1179219820Sjeff mthca_cleanup_cq_table(mdev); 1180219820Sjeff mthca_cmd_use_polling(mdev); 1181219820Sjeff mthca_cleanup_eq_table(mdev); 1182219820Sjeff 1183219820Sjeff mthca_pd_free(mdev, &mdev->driver_pd); 1184219820Sjeff 1185219820Sjeff mthca_cleanup_mr_table(mdev); 1186219820Sjeff mthca_cleanup_pd_table(mdev); 1187219820Sjeff 1188219820Sjeff iounmap(mdev->kar); 1189219820Sjeff mthca_uar_free(mdev, &mdev->driver_uar); 1190219820Sjeff mthca_cleanup_uar_table(mdev); 1191219820Sjeff mthca_close_hca(mdev); 1192219820Sjeff mthca_cmd_cleanup(mdev); 1193219820Sjeff 1194219820Sjeff if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) 1195219820Sjeff pci_disable_msix(pdev); 1196219820Sjeff 1197219820Sjeff ib_dealloc_device(&mdev->ib_dev); 1198219820Sjeff pci_release_regions(pdev); 1199219820Sjeff pci_disable_device(pdev); 1200219820Sjeff pci_set_drvdata(pdev, NULL); 1201219820Sjeff } 1202219820Sjeff} 1203219820Sjeff 1204219820Sjeffint __mthca_restart_one(struct pci_dev *pdev) 1205219820Sjeff{ 1206219820Sjeff struct mthca_dev *mdev; 1207219820Sjeff int hca_type; 1208219820Sjeff 1209219820Sjeff mdev = pci_get_drvdata(pdev); 1210219820Sjeff if (!mdev) 1211219820Sjeff return -ENODEV; 1212219820Sjeff hca_type = mdev->hca_type; 1213219820Sjeff __mthca_remove_one(pdev); 1214219820Sjeff return __mthca_init_one(pdev, hca_type); 1215219820Sjeff} 1216219820Sjeff 1217219820Sjeffstatic int __devinit mthca_init_one(struct pci_dev *pdev, 1218219820Sjeff const struct pci_device_id *id) 1219219820Sjeff{ 1220219820Sjeff static int mthca_version_printed = 0; 1221219820Sjeff int ret; 1222219820Sjeff 1223219820Sjeff mutex_lock(&mthca_device_mutex); 1224219820Sjeff 1225219820Sjeff if (!mthca_version_printed) { 1226219820Sjeff printk(KERN_INFO "%s", mthca_version); 1227219820Sjeff ++mthca_version_printed; 1228219820Sjeff } 1229219820Sjeff 1230219820Sjeff if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) { 1231219846Skib printk(KERN_ERR PFX "%s has invalid driver data %jx\n", 1232219846Skib pci_name(pdev), (uintmax_t)id->driver_data); 1233219820Sjeff mutex_unlock(&mthca_device_mutex); 1234219820Sjeff return -ENODEV; 1235219820Sjeff } 1236219820Sjeff 1237219820Sjeff ret = __mthca_init_one(pdev, id->driver_data); 1238219820Sjeff 1239219820Sjeff mutex_unlock(&mthca_device_mutex); 1240219820Sjeff 1241219820Sjeff return ret; 1242219820Sjeff} 1243219820Sjeff 1244219820Sjeffstatic void __devexit mthca_remove_one(struct pci_dev *pdev) 1245219820Sjeff{ 1246219820Sjeff mutex_lock(&mthca_device_mutex); 1247219820Sjeff __mthca_remove_one(pdev); 1248219820Sjeff mutex_unlock(&mthca_device_mutex); 1249219820Sjeff} 1250219820Sjeff 1251219820Sjeffstatic struct pci_device_id mthca_pci_table[] = { 1252219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR), 1253219820Sjeff .driver_data = TAVOR }, 1254219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR), 1255219820Sjeff .driver_data = TAVOR }, 1256219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), 1257219820Sjeff .driver_data = ARBEL_COMPAT }, 1258219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), 1259219820Sjeff .driver_data = ARBEL_COMPAT }, 1260219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL), 1261219820Sjeff .driver_data = ARBEL_NATIVE }, 1262219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL), 1263219820Sjeff .driver_data = ARBEL_NATIVE }, 1264219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI), 1265219820Sjeff .driver_data = SINAI }, 1266219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI), 1267219820Sjeff .driver_data = SINAI }, 1268219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), 1269219820Sjeff .driver_data = SINAI }, 1270219820Sjeff { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), 1271219820Sjeff .driver_data = SINAI }, 1272219820Sjeff { 0, } 1273219820Sjeff}; 1274219820Sjeff 1275219820SjeffMODULE_DEVICE_TABLE(pci, mthca_pci_table); 1276219820Sjeff 1277219820Sjeffstatic struct pci_driver mthca_driver = { 1278219820Sjeff .name = DRV_NAME, 1279219820Sjeff .id_table = mthca_pci_table, 1280219820Sjeff .probe = mthca_init_one, 1281219820Sjeff .remove = __devexit_p(mthca_remove_one) 1282219820Sjeff}; 1283219820Sjeff 1284219820Sjeffstatic void __init __mthca_check_profile_val(const char *name, int *pval, 1285219820Sjeff int pval_default) 1286219820Sjeff{ 1287219820Sjeff /* value must be positive and power of 2 */ 1288219820Sjeff int old_pval = *pval; 1289219820Sjeff 1290219820Sjeff if (old_pval <= 0) 1291219820Sjeff *pval = pval_default; 1292219820Sjeff else 1293219820Sjeff *pval = roundup_pow_of_two(old_pval); 1294219820Sjeff 1295219820Sjeff if (old_pval != *pval) { 1296219820Sjeff printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n", 1297219820Sjeff old_pval, name); 1298219820Sjeff printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval); 1299219820Sjeff } 1300219820Sjeff} 1301219820Sjeff 1302219820Sjeff#define mthca_check_profile_val(name, default) \ 1303219820Sjeff __mthca_check_profile_val(#name, &hca_profile.name, default) 1304219820Sjeff 1305219820Sjeffstatic void __init mthca_validate_profile(void) 1306219820Sjeff{ 1307219820Sjeff mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP); 1308219820Sjeff mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP); 1309219820Sjeff mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ); 1310219820Sjeff mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG); 1311219820Sjeff mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT); 1312219820Sjeff mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT); 1313219820Sjeff mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV); 1314219820Sjeff mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS); 1315219820Sjeff 1316219820Sjeff if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) { 1317219820Sjeff printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n", 1318219820Sjeff hca_profile.fmr_reserved_mtts); 1319219820Sjeff printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n", 1320219820Sjeff hca_profile.num_mtt); 1321219820Sjeff hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2; 1322219820Sjeff printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n", 1323219820Sjeff hca_profile.fmr_reserved_mtts); 1324219820Sjeff } 1325219820Sjeff if (log_mtts_per_seg == 0) 1326219820Sjeff log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); 1327219820Sjeff if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { 1328255932Salfred printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n", 1329219820Sjeff log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8)); 1330219820Sjeff log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); 1331219820Sjeff } 1332219820Sjeff} 1333219820Sjeff 1334219820Sjeffstatic int __init mthca_init(void) 1335219820Sjeff{ 1336219820Sjeff int ret; 1337219820Sjeff 1338219820Sjeff mthca_validate_profile(); 1339219820Sjeff 1340219820Sjeff ret = mthca_catas_init(); 1341219820Sjeff if (ret) 1342219820Sjeff return ret; 1343219820Sjeff 1344219820Sjeff ret = pci_register_driver(&mthca_driver); 1345219820Sjeff if (ret < 0) { 1346219820Sjeff mthca_catas_cleanup(); 1347219820Sjeff return ret; 1348219820Sjeff } 1349219820Sjeff 1350219820Sjeff return 0; 1351219820Sjeff} 1352219820Sjeff 1353219820Sjeffstatic void __exit mthca_cleanup(void) 1354219820Sjeff{ 1355219820Sjeff pci_unregister_driver(&mthca_driver); 1356219820Sjeff mthca_catas_cleanup(); 1357219820Sjeff} 1358219820Sjeff 1359219820Sjeffmodule_init_order(mthca_init, SI_ORDER_MIDDLE); 1360219820Sjeffmodule_exit(mthca_cleanup); 1361