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1272 lines
34 KiB
1272 lines
34 KiB
/* |
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* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
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* Copyright (c) 2005 Mellanox Technologies. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/errno.h> |
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#include <linux/pci.h> |
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#include <linux/interrupt.h> |
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#include <linux/gfp.h> |
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|
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#include "mthca_dev.h" |
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#include "mthca_config_reg.h" |
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#include "mthca_cmd.h" |
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#include "mthca_profile.h" |
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#include "mthca_memfree.h" |
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#include "mthca_wqe.h" |
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|
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MODULE_AUTHOR("Roland Dreier"); |
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MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver"); |
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MODULE_LICENSE("Dual BSD/GPL"); |
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|
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#ifdef CONFIG_INFINIBAND_MTHCA_DEBUG |
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|
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int mthca_debug_level = 0; |
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module_param_named(debug_level, mthca_debug_level, int, 0644); |
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MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); |
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|
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#endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ |
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|
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#ifdef CONFIG_PCI_MSI |
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|
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static int msi_x = 1; |
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module_param(msi_x, int, 0444); |
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MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); |
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|
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#else /* CONFIG_PCI_MSI */ |
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|
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#define msi_x (0) |
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|
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#endif /* CONFIG_PCI_MSI */ |
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|
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static int tune_pci = 0; |
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module_param(tune_pci, int, 0444); |
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MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero"); |
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|
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DEFINE_MUTEX(mthca_device_mutex); |
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|
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#define MTHCA_DEFAULT_NUM_QP (1 << 16) |
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#define MTHCA_DEFAULT_RDB_PER_QP (1 << 2) |
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#define MTHCA_DEFAULT_NUM_CQ (1 << 16) |
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#define MTHCA_DEFAULT_NUM_MCG (1 << 13) |
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#define MTHCA_DEFAULT_NUM_MPT (1 << 17) |
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#define MTHCA_DEFAULT_NUM_MTT (1 << 20) |
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#define MTHCA_DEFAULT_NUM_UDAV (1 << 15) |
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#define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18) |
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#define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18) |
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|
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static struct mthca_profile hca_profile = { |
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.num_qp = MTHCA_DEFAULT_NUM_QP, |
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.rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP, |
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.num_cq = MTHCA_DEFAULT_NUM_CQ, |
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.num_mcg = MTHCA_DEFAULT_NUM_MCG, |
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.num_mpt = MTHCA_DEFAULT_NUM_MPT, |
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.num_mtt = MTHCA_DEFAULT_NUM_MTT, |
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.num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */ |
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.fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */ |
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.uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */ |
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}; |
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|
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module_param_named(num_qp, hca_profile.num_qp, int, 0444); |
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MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA"); |
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|
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module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444); |
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MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP"); |
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|
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module_param_named(num_cq, hca_profile.num_cq, int, 0444); |
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MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA"); |
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|
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module_param_named(num_mcg, hca_profile.num_mcg, int, 0444); |
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MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA"); |
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|
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module_param_named(num_mpt, hca_profile.num_mpt, int, 0444); |
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MODULE_PARM_DESC(num_mpt, |
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"maximum number of memory protection table entries per HCA"); |
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|
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module_param_named(num_mtt, hca_profile.num_mtt, int, 0444); |
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MODULE_PARM_DESC(num_mtt, |
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"maximum number of memory translation table segments per HCA"); |
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|
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module_param_named(num_udav, hca_profile.num_udav, int, 0444); |
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MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA"); |
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|
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module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444); |
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MODULE_PARM_DESC(fmr_reserved_mtts, |
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"number of memory translation table segments reserved for FMR"); |
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|
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static int log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); |
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module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
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MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); |
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|
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static char mthca_version[] = |
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DRV_NAME ": Mellanox InfiniBand HCA driver v" |
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DRV_VERSION " (" DRV_RELDATE ")\n"; |
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|
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static int mthca_tune_pci(struct mthca_dev *mdev) |
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{ |
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if (!tune_pci) |
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return 0; |
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|
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/* First try to max out Read Byte Count */ |
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if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) { |
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if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) { |
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mthca_err(mdev, "Couldn't set PCI-X max read count, " |
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"aborting.\n"); |
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return -ENODEV; |
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} |
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} else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE)) |
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mthca_info(mdev, "No PCI-X capability, not setting RBC.\n"); |
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|
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if (pci_is_pcie(mdev->pdev)) { |
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if (pcie_set_readrq(mdev->pdev, 4096)) { |
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mthca_err(mdev, "Couldn't write PCI Express read request, " |
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"aborting.\n"); |
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return -ENODEV; |
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} |
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} else if (mdev->mthca_flags & MTHCA_FLAG_PCIE) |
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mthca_info(mdev, "No PCI Express capability, " |
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"not setting Max Read Request Size.\n"); |
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|
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return 0; |
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} |
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|
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static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) |
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{ |
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int err; |
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|
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mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8; |
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err = mthca_QUERY_DEV_LIM(mdev, dev_lim); |
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if (err) { |
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mthca_err(mdev, "QUERY_DEV_LIM command returned %d" |
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", aborting.\n", err); |
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return err; |
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} |
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if (dev_lim->min_page_sz > PAGE_SIZE) { |
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mthca_err(mdev, "HCA minimum page size of %d bigger than " |
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"kernel PAGE_SIZE of %ld, aborting.\n", |
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dev_lim->min_page_sz, PAGE_SIZE); |
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return -ENODEV; |
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} |
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if (dev_lim->num_ports > MTHCA_MAX_PORTS) { |
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mthca_err(mdev, "HCA has %d ports, but we only support %d, " |
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"aborting.\n", |
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dev_lim->num_ports, MTHCA_MAX_PORTS); |
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return -ENODEV; |
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} |
|
|
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if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) { |
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mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than " |
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"PCI resource 2 size of 0x%llx, aborting.\n", |
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dev_lim->uar_size, |
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(unsigned long long)pci_resource_len(mdev->pdev, 2)); |
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return -ENODEV; |
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} |
|
|
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mdev->limits.num_ports = dev_lim->num_ports; |
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mdev->limits.vl_cap = dev_lim->max_vl; |
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mdev->limits.mtu_cap = dev_lim->max_mtu; |
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mdev->limits.gid_table_len = dev_lim->max_gids; |
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mdev->limits.pkey_table_len = dev_lim->max_pkeys; |
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mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; |
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/* |
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* Need to allow for worst case send WQE overhead and check |
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* whether max_desc_sz imposes a lower limit than max_sg; UD |
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* send has the biggest overhead. |
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*/ |
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mdev->limits.max_sg = min_t(int, dev_lim->max_sg, |
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(dev_lim->max_desc_sz - |
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sizeof (struct mthca_next_seg) - |
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(mthca_is_memfree(mdev) ? |
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sizeof (struct mthca_arbel_ud_seg) : |
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sizeof (struct mthca_tavor_ud_seg))) / |
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sizeof (struct mthca_data_seg)); |
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mdev->limits.max_wqes = dev_lim->max_qp_sz; |
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mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; |
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mdev->limits.reserved_qps = dev_lim->reserved_qps; |
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mdev->limits.max_srq_wqes = dev_lim->max_srq_sz; |
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mdev->limits.reserved_srqs = dev_lim->reserved_srqs; |
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mdev->limits.reserved_eecs = dev_lim->reserved_eecs; |
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mdev->limits.max_desc_sz = dev_lim->max_desc_sz; |
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mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev); |
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/* |
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* Subtract 1 from the limit because we need to allocate a |
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* spare CQE so the HCA HW can tell the difference between an |
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* empty CQ and a full CQ. |
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*/ |
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mdev->limits.max_cqes = dev_lim->max_cq_sz - 1; |
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mdev->limits.reserved_cqs = dev_lim->reserved_cqs; |
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mdev->limits.reserved_eqs = dev_lim->reserved_eqs; |
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mdev->limits.reserved_mtts = dev_lim->reserved_mtts; |
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mdev->limits.reserved_mrws = dev_lim->reserved_mrws; |
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mdev->limits.reserved_uars = dev_lim->reserved_uars; |
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mdev->limits.reserved_pds = dev_lim->reserved_pds; |
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mdev->limits.port_width_cap = dev_lim->max_port_width; |
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mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1); |
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mdev->limits.flags = dev_lim->flags; |
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/* |
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* For old FW that doesn't return static rate support, use a |
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* value of 0x3 (only static rate values of 0 or 1 are handled), |
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* except on Sinai, where even old FW can handle static rate |
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* values of 2 and 3. |
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*/ |
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if (dev_lim->stat_rate_support) |
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mdev->limits.stat_rate_support = dev_lim->stat_rate_support; |
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else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) |
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mdev->limits.stat_rate_support = 0xf; |
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else |
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mdev->limits.stat_rate_support = 0x3; |
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|
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/* IB_DEVICE_RESIZE_MAX_WR not supported by driver. |
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May be doable since hardware supports it for SRQ. |
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|
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IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver. |
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|
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IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not |
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supported by driver. */ |
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mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
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IB_DEVICE_PORT_ACTIVE_EVENT | |
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IB_DEVICE_SYS_IMAGE_GUID | |
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IB_DEVICE_RC_RNR_NAK_GEN; |
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if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR) |
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mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
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|
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if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR) |
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mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
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|
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if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI) |
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mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI; |
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|
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if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG) |
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mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
|
|
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if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE) |
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mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; |
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|
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if (dev_lim->flags & DEV_LIM_FLAG_SRQ) |
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mdev->mthca_flags |= MTHCA_FLAG_SRQ; |
|
|
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if (mthca_is_memfree(mdev)) |
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if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM) |
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mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; |
|
|
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return 0; |
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} |
|
|
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static int mthca_init_tavor(struct mthca_dev *mdev) |
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{ |
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s64 size; |
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int err; |
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struct mthca_dev_lim dev_lim; |
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struct mthca_profile profile; |
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struct mthca_init_hca_param init_hca; |
|
|
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err = mthca_SYS_EN(mdev); |
|
if (err) { |
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mthca_err(mdev, "SYS_EN command returned %d, aborting.\n", err); |
|
return err; |
|
} |
|
|
|
err = mthca_QUERY_FW(mdev); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_FW command returned %d," |
|
" aborting.\n", err); |
|
goto err_disable; |
|
} |
|
err = mthca_QUERY_DDR(mdev); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_DDR command returned %d, aborting.\n", err); |
|
goto err_disable; |
|
} |
|
|
|
err = mthca_dev_lim(mdev, &dev_lim); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_DEV_LIM command returned %d, aborting.\n", err); |
|
goto err_disable; |
|
} |
|
|
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profile = hca_profile; |
|
profile.num_uar = dev_lim.uar_size / PAGE_SIZE; |
|
profile.uarc_size = 0; |
|
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
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profile.num_srq = dev_lim.max_srqs; |
|
|
|
size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); |
|
if (size < 0) { |
|
err = size; |
|
goto err_disable; |
|
} |
|
|
|
err = mthca_INIT_HCA(mdev, &init_hca); |
|
if (err) { |
|
mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err); |
|
goto err_disable; |
|
} |
|
|
|
return 0; |
|
|
|
err_disable: |
|
mthca_SYS_DIS(mdev); |
|
|
|
return err; |
|
} |
|
|
|
static int mthca_load_fw(struct mthca_dev *mdev) |
|
{ |
|
int err; |
|
|
|
/* FIXME: use HCA-attached memory for FW if present */ |
|
|
|
mdev->fw.arbel.fw_icm = |
|
mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages, |
|
GFP_HIGHUSER | __GFP_NOWARN, 0); |
|
if (!mdev->fw.arbel.fw_icm) { |
|
mthca_err(mdev, "Couldn't allocate FW area, aborting.\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm); |
|
if (err) { |
|
mthca_err(mdev, "MAP_FA command returned %d, aborting.\n", err); |
|
goto err_free; |
|
} |
|
err = mthca_RUN_FW(mdev); |
|
if (err) { |
|
mthca_err(mdev, "RUN_FW command returned %d, aborting.\n", err); |
|
goto err_unmap_fa; |
|
} |
|
|
|
return 0; |
|
|
|
err_unmap_fa: |
|
mthca_UNMAP_FA(mdev); |
|
|
|
err_free: |
|
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
|
return err; |
|
} |
|
|
|
static int mthca_init_icm(struct mthca_dev *mdev, |
|
struct mthca_dev_lim *dev_lim, |
|
struct mthca_init_hca_param *init_hca, |
|
u64 icm_size) |
|
{ |
|
u64 aux_pages; |
|
int err; |
|
|
|
err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages); |
|
if (err) { |
|
mthca_err(mdev, "SET_ICM_SIZE command returned %d, aborting.\n", err); |
|
return err; |
|
} |
|
|
|
mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n", |
|
(unsigned long long) icm_size >> 10, |
|
(unsigned long long) aux_pages << 2); |
|
|
|
mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages, |
|
GFP_HIGHUSER | __GFP_NOWARN, 0); |
|
if (!mdev->fw.arbel.aux_icm) { |
|
mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm); |
|
if (err) { |
|
mthca_err(mdev, "MAP_ICM_AUX returned %d, aborting.\n", err); |
|
goto err_free_aux; |
|
} |
|
|
|
err = mthca_map_eq_icm(mdev, init_hca->eqc_base); |
|
if (err) { |
|
mthca_err(mdev, "Failed to map EQ context memory, aborting.\n"); |
|
goto err_unmap_aux; |
|
} |
|
|
|
/* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */ |
|
mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size, |
|
dma_get_cache_alignment()) / mdev->limits.mtt_seg_size; |
|
|
|
mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base, |
|
mdev->limits.mtt_seg_size, |
|
mdev->limits.num_mtt_segs, |
|
mdev->limits.reserved_mtts, |
|
1, 0); |
|
if (!mdev->mr_table.mtt_table) { |
|
mthca_err(mdev, "Failed to map MTT context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_eq; |
|
} |
|
|
|
mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base, |
|
dev_lim->mpt_entry_sz, |
|
mdev->limits.num_mpts, |
|
mdev->limits.reserved_mrws, |
|
1, 1); |
|
if (!mdev->mr_table.mpt_table) { |
|
mthca_err(mdev, "Failed to map MPT context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_mtt; |
|
} |
|
|
|
mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base, |
|
dev_lim->qpc_entry_sz, |
|
mdev->limits.num_qps, |
|
mdev->limits.reserved_qps, |
|
0, 0); |
|
if (!mdev->qp_table.qp_table) { |
|
mthca_err(mdev, "Failed to map QP context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_mpt; |
|
} |
|
|
|
mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base, |
|
dev_lim->eqpc_entry_sz, |
|
mdev->limits.num_qps, |
|
mdev->limits.reserved_qps, |
|
0, 0); |
|
if (!mdev->qp_table.eqp_table) { |
|
mthca_err(mdev, "Failed to map EQP context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_qp; |
|
} |
|
|
|
mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base, |
|
MTHCA_RDB_ENTRY_SIZE, |
|
mdev->limits.num_qps << |
|
mdev->qp_table.rdb_shift, 0, |
|
0, 0); |
|
if (!mdev->qp_table.rdb_table) { |
|
mthca_err(mdev, "Failed to map RDB context memory, aborting\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_eqp; |
|
} |
|
|
|
mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base, |
|
dev_lim->cqc_entry_sz, |
|
mdev->limits.num_cqs, |
|
mdev->limits.reserved_cqs, |
|
0, 0); |
|
if (!mdev->cq_table.table) { |
|
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_rdb; |
|
} |
|
|
|
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) { |
|
mdev->srq_table.table = |
|
mthca_alloc_icm_table(mdev, init_hca->srqc_base, |
|
dev_lim->srq_entry_sz, |
|
mdev->limits.num_srqs, |
|
mdev->limits.reserved_srqs, |
|
0, 0); |
|
if (!mdev->srq_table.table) { |
|
mthca_err(mdev, "Failed to map SRQ context memory, " |
|
"aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_cq; |
|
} |
|
} |
|
|
|
/* |
|
* It's not strictly required, but for simplicity just map the |
|
* whole multicast group table now. The table isn't very big |
|
* and it's a lot easier than trying to track ref counts. |
|
*/ |
|
mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base, |
|
MTHCA_MGM_ENTRY_SIZE, |
|
mdev->limits.num_mgms + |
|
mdev->limits.num_amgms, |
|
mdev->limits.num_mgms + |
|
mdev->limits.num_amgms, |
|
0, 0); |
|
if (!mdev->mcg_table.table) { |
|
mthca_err(mdev, "Failed to map MCG context memory, aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_unmap_srq; |
|
} |
|
|
|
return 0; |
|
|
|
err_unmap_srq: |
|
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
|
mthca_free_icm_table(mdev, mdev->srq_table.table); |
|
|
|
err_unmap_cq: |
|
mthca_free_icm_table(mdev, mdev->cq_table.table); |
|
|
|
err_unmap_rdb: |
|
mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); |
|
|
|
err_unmap_eqp: |
|
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); |
|
|
|
err_unmap_qp: |
|
mthca_free_icm_table(mdev, mdev->qp_table.qp_table); |
|
|
|
err_unmap_mpt: |
|
mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); |
|
|
|
err_unmap_mtt: |
|
mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); |
|
|
|
err_unmap_eq: |
|
mthca_unmap_eq_icm(mdev); |
|
|
|
err_unmap_aux: |
|
mthca_UNMAP_ICM_AUX(mdev); |
|
|
|
err_free_aux: |
|
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); |
|
|
|
return err; |
|
} |
|
|
|
static void mthca_free_icms(struct mthca_dev *mdev) |
|
{ |
|
|
|
mthca_free_icm_table(mdev, mdev->mcg_table.table); |
|
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
|
mthca_free_icm_table(mdev, mdev->srq_table.table); |
|
mthca_free_icm_table(mdev, mdev->cq_table.table); |
|
mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); |
|
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); |
|
mthca_free_icm_table(mdev, mdev->qp_table.qp_table); |
|
mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); |
|
mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); |
|
mthca_unmap_eq_icm(mdev); |
|
|
|
mthca_UNMAP_ICM_AUX(mdev); |
|
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); |
|
} |
|
|
|
static int mthca_init_arbel(struct mthca_dev *mdev) |
|
{ |
|
struct mthca_dev_lim dev_lim; |
|
struct mthca_profile profile; |
|
struct mthca_init_hca_param init_hca; |
|
s64 icm_size; |
|
int err; |
|
|
|
err = mthca_QUERY_FW(mdev); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_FW command failed %d, aborting.\n", err); |
|
return err; |
|
} |
|
|
|
err = mthca_ENABLE_LAM(mdev); |
|
if (err == -EAGAIN) { |
|
mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n"); |
|
mdev->mthca_flags |= MTHCA_FLAG_NO_LAM; |
|
} else if (err) { |
|
mthca_err(mdev, "ENABLE_LAM returned %d, aborting.\n", err); |
|
return err; |
|
} |
|
|
|
err = mthca_load_fw(mdev); |
|
if (err) { |
|
mthca_err(mdev, "Loading FW returned %d, aborting.\n", err); |
|
goto err_disable; |
|
} |
|
|
|
err = mthca_dev_lim(mdev, &dev_lim); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_DEV_LIM returned %d, aborting.\n", err); |
|
goto err_stop_fw; |
|
} |
|
|
|
profile = hca_profile; |
|
profile.num_uar = dev_lim.uar_size / PAGE_SIZE; |
|
profile.num_udav = 0; |
|
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
|
profile.num_srq = dev_lim.max_srqs; |
|
|
|
icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); |
|
if (icm_size < 0) { |
|
err = icm_size; |
|
goto err_stop_fw; |
|
} |
|
|
|
err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size); |
|
if (err) |
|
goto err_stop_fw; |
|
|
|
err = mthca_INIT_HCA(mdev, &init_hca); |
|
if (err) { |
|
mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err); |
|
goto err_free_icm; |
|
} |
|
|
|
return 0; |
|
|
|
err_free_icm: |
|
mthca_free_icms(mdev); |
|
|
|
err_stop_fw: |
|
mthca_UNMAP_FA(mdev); |
|
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
|
|
|
err_disable: |
|
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) |
|
mthca_DISABLE_LAM(mdev); |
|
|
|
return err; |
|
} |
|
|
|
static void mthca_close_hca(struct mthca_dev *mdev) |
|
{ |
|
mthca_CLOSE_HCA(mdev, 0); |
|
|
|
if (mthca_is_memfree(mdev)) { |
|
mthca_free_icms(mdev); |
|
|
|
mthca_UNMAP_FA(mdev); |
|
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
|
|
|
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) |
|
mthca_DISABLE_LAM(mdev); |
|
} else |
|
mthca_SYS_DIS(mdev); |
|
} |
|
|
|
static int mthca_init_hca(struct mthca_dev *mdev) |
|
{ |
|
int err; |
|
struct mthca_adapter adapter; |
|
|
|
if (mthca_is_memfree(mdev)) |
|
err = mthca_init_arbel(mdev); |
|
else |
|
err = mthca_init_tavor(mdev); |
|
|
|
if (err) |
|
return err; |
|
|
|
err = mthca_QUERY_ADAPTER(mdev, &adapter); |
|
if (err) { |
|
mthca_err(mdev, "QUERY_ADAPTER command returned %d, aborting.\n", err); |
|
goto err_close; |
|
} |
|
|
|
mdev->eq_table.inta_pin = adapter.inta_pin; |
|
if (!mthca_is_memfree(mdev)) |
|
mdev->rev_id = adapter.revision_id; |
|
memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id); |
|
|
|
return 0; |
|
|
|
err_close: |
|
mthca_close_hca(mdev); |
|
return err; |
|
} |
|
|
|
static int mthca_setup_hca(struct mthca_dev *dev) |
|
{ |
|
int err; |
|
|
|
MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock); |
|
|
|
err = mthca_init_uar_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"user access region table, aborting.\n"); |
|
return err; |
|
} |
|
|
|
err = mthca_uar_alloc(dev, &dev->driver_uar); |
|
if (err) { |
|
mthca_err(dev, "Failed to allocate driver access region, " |
|
"aborting.\n"); |
|
goto err_uar_table_free; |
|
} |
|
|
|
dev->kar = ioremap((phys_addr_t) dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
|
if (!dev->kar) { |
|
mthca_err(dev, "Couldn't map kernel access region, " |
|
"aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_uar_free; |
|
} |
|
|
|
err = mthca_init_pd_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"protection domain table, aborting.\n"); |
|
goto err_kar_unmap; |
|
} |
|
|
|
err = mthca_init_mr_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"memory region table, aborting.\n"); |
|
goto err_pd_table_free; |
|
} |
|
|
|
err = mthca_pd_alloc(dev, 1, &dev->driver_pd); |
|
if (err) { |
|
mthca_err(dev, "Failed to create driver PD, " |
|
"aborting.\n"); |
|
goto err_mr_table_free; |
|
} |
|
|
|
err = mthca_init_eq_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"event queue table, aborting.\n"); |
|
goto err_pd_free; |
|
} |
|
|
|
err = mthca_cmd_use_events(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to switch to event-driven " |
|
"firmware commands, aborting.\n"); |
|
goto err_eq_table_free; |
|
} |
|
|
|
err = mthca_NOP(dev); |
|
if (err) { |
|
if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { |
|
mthca_warn(dev, "NOP command failed to generate interrupt " |
|
"(IRQ %d).\n", |
|
dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector); |
|
mthca_warn(dev, "Trying again with MSI-X disabled.\n"); |
|
} else { |
|
mthca_err(dev, "NOP command failed to generate interrupt " |
|
"(IRQ %d), aborting.\n", |
|
dev->pdev->irq); |
|
mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
|
} |
|
|
|
goto err_cmd_poll; |
|
} |
|
|
|
mthca_dbg(dev, "NOP command IRQ test passed\n"); |
|
|
|
err = mthca_init_cq_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"completion queue table, aborting.\n"); |
|
goto err_cmd_poll; |
|
} |
|
|
|
err = mthca_init_srq_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"shared receive queue table, aborting.\n"); |
|
goto err_cq_table_free; |
|
} |
|
|
|
err = mthca_init_qp_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"queue pair table, aborting.\n"); |
|
goto err_srq_table_free; |
|
} |
|
|
|
err = mthca_init_av_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"address vector table, aborting.\n"); |
|
goto err_qp_table_free; |
|
} |
|
|
|
err = mthca_init_mcg_table(dev); |
|
if (err) { |
|
mthca_err(dev, "Failed to initialize " |
|
"multicast group table, aborting.\n"); |
|
goto err_av_table_free; |
|
} |
|
|
|
return 0; |
|
|
|
err_av_table_free: |
|
mthca_cleanup_av_table(dev); |
|
|
|
err_qp_table_free: |
|
mthca_cleanup_qp_table(dev); |
|
|
|
err_srq_table_free: |
|
mthca_cleanup_srq_table(dev); |
|
|
|
err_cq_table_free: |
|
mthca_cleanup_cq_table(dev); |
|
|
|
err_cmd_poll: |
|
mthca_cmd_use_polling(dev); |
|
|
|
err_eq_table_free: |
|
mthca_cleanup_eq_table(dev); |
|
|
|
err_pd_free: |
|
mthca_pd_free(dev, &dev->driver_pd); |
|
|
|
err_mr_table_free: |
|
mthca_cleanup_mr_table(dev); |
|
|
|
err_pd_table_free: |
|
mthca_cleanup_pd_table(dev); |
|
|
|
err_kar_unmap: |
|
iounmap(dev->kar); |
|
|
|
err_uar_free: |
|
mthca_uar_free(dev, &dev->driver_uar); |
|
|
|
err_uar_table_free: |
|
mthca_cleanup_uar_table(dev); |
|
return err; |
|
} |
|
|
|
static int mthca_enable_msi_x(struct mthca_dev *mdev) |
|
{ |
|
int err; |
|
|
|
err = pci_alloc_irq_vectors(mdev->pdev, 3, 3, PCI_IRQ_MSIX); |
|
if (err < 0) |
|
return err; |
|
|
|
mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = |
|
pci_irq_vector(mdev->pdev, 0); |
|
mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = |
|
pci_irq_vector(mdev->pdev, 1); |
|
mdev->eq_table.eq[MTHCA_EQ_CMD ].msi_x_vector = |
|
pci_irq_vector(mdev->pdev, 2); |
|
|
|
return 0; |
|
} |
|
|
|
/* Types of supported HCA */ |
|
enum { |
|
TAVOR, /* MT23108 */ |
|
ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ |
|
ARBEL_NATIVE, /* MT25208 with extended features */ |
|
SINAI /* MT25204 */ |
|
}; |
|
|
|
#define MTHCA_FW_VER(major, minor, subminor) \ |
|
(((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor)) |
|
|
|
static struct { |
|
u64 latest_fw; |
|
u32 flags; |
|
} mthca_hca_table[] = { |
|
[TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0), |
|
.flags = 0 }, |
|
[ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200), |
|
.flags = MTHCA_FLAG_PCIE }, |
|
[ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0), |
|
.flags = MTHCA_FLAG_MEMFREE | |
|
MTHCA_FLAG_PCIE }, |
|
[SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0), |
|
.flags = MTHCA_FLAG_MEMFREE | |
|
MTHCA_FLAG_PCIE | |
|
MTHCA_FLAG_SINAI_OPT } |
|
}; |
|
|
|
static int __mthca_init_one(struct pci_dev *pdev, int hca_type) |
|
{ |
|
int ddr_hidden = 0; |
|
int err; |
|
struct mthca_dev *mdev; |
|
|
|
printk(KERN_INFO PFX "Initializing %s\n", |
|
pci_name(pdev)); |
|
|
|
err = pci_enable_device(pdev); |
|
if (err) { |
|
dev_err(&pdev->dev, "Cannot enable PCI device, " |
|
"aborting.\n"); |
|
return err; |
|
} |
|
|
|
/* |
|
* Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not |
|
* be present) |
|
*/ |
|
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || |
|
pci_resource_len(pdev, 0) != 1 << 20) { |
|
dev_err(&pdev->dev, "Missing DCS, aborting.\n"); |
|
err = -ENODEV; |
|
goto err_disable_pdev; |
|
} |
|
if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
|
dev_err(&pdev->dev, "Missing UAR, aborting.\n"); |
|
err = -ENODEV; |
|
goto err_disable_pdev; |
|
} |
|
if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM)) |
|
ddr_hidden = 1; |
|
|
|
err = pci_request_regions(pdev, DRV_NAME); |
|
if (err) { |
|
dev_err(&pdev->dev, "Cannot obtain PCI resources, " |
|
"aborting.\n"); |
|
goto err_disable_pdev; |
|
} |
|
|
|
pci_set_master(pdev); |
|
|
|
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
|
if (err) { |
|
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); |
|
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
|
if (err) { |
|
dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); |
|
goto err_free_res; |
|
} |
|
} |
|
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
|
if (err) { |
|
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " |
|
"consistent PCI DMA mask.\n"); |
|
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
|
if (err) { |
|
dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " |
|
"aborting.\n"); |
|
goto err_free_res; |
|
} |
|
} |
|
|
|
/* We can handle large RDMA requests, so allow larger segments. */ |
|
dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); |
|
|
|
mdev = ib_alloc_device(mthca_dev, ib_dev); |
|
if (!mdev) { |
|
dev_err(&pdev->dev, "Device struct alloc failed, " |
|
"aborting.\n"); |
|
err = -ENOMEM; |
|
goto err_free_res; |
|
} |
|
|
|
mdev->pdev = pdev; |
|
|
|
mdev->mthca_flags = mthca_hca_table[hca_type].flags; |
|
if (ddr_hidden) |
|
mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN; |
|
|
|
/* |
|
* Now reset the HCA before we touch the PCI capabilities or |
|
* attempt a firmware command, since a boot ROM may have left |
|
* the HCA in an undefined state. |
|
*/ |
|
err = mthca_reset(mdev); |
|
if (err) { |
|
mthca_err(mdev, "Failed to reset HCA, aborting.\n"); |
|
goto err_free_dev; |
|
} |
|
|
|
err = mthca_cmd_init(mdev); |
|
if (err) { |
|
mthca_err(mdev, "Failed to init command interface, aborting.\n"); |
|
goto err_free_dev; |
|
} |
|
|
|
err = mthca_tune_pci(mdev); |
|
if (err) |
|
goto err_cmd; |
|
|
|
err = mthca_init_hca(mdev); |
|
if (err) |
|
goto err_cmd; |
|
|
|
if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) { |
|
mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n", |
|
(int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff, |
|
(int) (mdev->fw_ver & 0xffff), |
|
(int) (mthca_hca_table[hca_type].latest_fw >> 32), |
|
(int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff, |
|
(int) (mthca_hca_table[hca_type].latest_fw & 0xffff)); |
|
mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n"); |
|
} |
|
|
|
if (msi_x && !mthca_enable_msi_x(mdev)) |
|
mdev->mthca_flags |= MTHCA_FLAG_MSI_X; |
|
|
|
err = mthca_setup_hca(mdev); |
|
if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) { |
|
pci_free_irq_vectors(pdev); |
|
mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X; |
|
|
|
err = mthca_setup_hca(mdev); |
|
} |
|
|
|
if (err) |
|
goto err_close; |
|
|
|
err = mthca_register_device(mdev); |
|
if (err) |
|
goto err_cleanup; |
|
|
|
err = mthca_create_agents(mdev); |
|
if (err) |
|
goto err_unregister; |
|
|
|
pci_set_drvdata(pdev, mdev); |
|
mdev->hca_type = hca_type; |
|
|
|
mdev->active = true; |
|
|
|
return 0; |
|
|
|
err_unregister: |
|
mthca_unregister_device(mdev); |
|
|
|
err_cleanup: |
|
mthca_cleanup_mcg_table(mdev); |
|
mthca_cleanup_av_table(mdev); |
|
mthca_cleanup_qp_table(mdev); |
|
mthca_cleanup_srq_table(mdev); |
|
mthca_cleanup_cq_table(mdev); |
|
mthca_cmd_use_polling(mdev); |
|
mthca_cleanup_eq_table(mdev); |
|
|
|
mthca_pd_free(mdev, &mdev->driver_pd); |
|
|
|
mthca_cleanup_mr_table(mdev); |
|
mthca_cleanup_pd_table(mdev); |
|
mthca_cleanup_uar_table(mdev); |
|
|
|
err_close: |
|
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) |
|
pci_free_irq_vectors(pdev); |
|
|
|
mthca_close_hca(mdev); |
|
|
|
err_cmd: |
|
mthca_cmd_cleanup(mdev); |
|
|
|
err_free_dev: |
|
ib_dealloc_device(&mdev->ib_dev); |
|
|
|
err_free_res: |
|
pci_release_regions(pdev); |
|
|
|
err_disable_pdev: |
|
pci_disable_device(pdev); |
|
pci_set_drvdata(pdev, NULL); |
|
return err; |
|
} |
|
|
|
static void __mthca_remove_one(struct pci_dev *pdev) |
|
{ |
|
struct mthca_dev *mdev = pci_get_drvdata(pdev); |
|
int p; |
|
|
|
if (mdev) { |
|
mthca_free_agents(mdev); |
|
mthca_unregister_device(mdev); |
|
|
|
for (p = 1; p <= mdev->limits.num_ports; ++p) |
|
mthca_CLOSE_IB(mdev, p); |
|
|
|
mthca_cleanup_mcg_table(mdev); |
|
mthca_cleanup_av_table(mdev); |
|
mthca_cleanup_qp_table(mdev); |
|
mthca_cleanup_srq_table(mdev); |
|
mthca_cleanup_cq_table(mdev); |
|
mthca_cmd_use_polling(mdev); |
|
mthca_cleanup_eq_table(mdev); |
|
|
|
mthca_pd_free(mdev, &mdev->driver_pd); |
|
|
|
mthca_cleanup_mr_table(mdev); |
|
mthca_cleanup_pd_table(mdev); |
|
|
|
iounmap(mdev->kar); |
|
mthca_uar_free(mdev, &mdev->driver_uar); |
|
mthca_cleanup_uar_table(mdev); |
|
mthca_close_hca(mdev); |
|
mthca_cmd_cleanup(mdev); |
|
|
|
if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) |
|
pci_free_irq_vectors(pdev); |
|
|
|
ib_dealloc_device(&mdev->ib_dev); |
|
pci_release_regions(pdev); |
|
pci_disable_device(pdev); |
|
pci_set_drvdata(pdev, NULL); |
|
} |
|
} |
|
|
|
int __mthca_restart_one(struct pci_dev *pdev) |
|
{ |
|
struct mthca_dev *mdev; |
|
int hca_type; |
|
|
|
mdev = pci_get_drvdata(pdev); |
|
if (!mdev) |
|
return -ENODEV; |
|
hca_type = mdev->hca_type; |
|
__mthca_remove_one(pdev); |
|
return __mthca_init_one(pdev, hca_type); |
|
} |
|
|
|
static int mthca_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
|
{ |
|
int ret; |
|
|
|
mutex_lock(&mthca_device_mutex); |
|
|
|
printk_once(KERN_INFO "%s", mthca_version); |
|
|
|
if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) { |
|
printk(KERN_ERR PFX "%s has invalid driver data %lx\n", |
|
pci_name(pdev), id->driver_data); |
|
mutex_unlock(&mthca_device_mutex); |
|
return -ENODEV; |
|
} |
|
|
|
ret = __mthca_init_one(pdev, id->driver_data); |
|
|
|
mutex_unlock(&mthca_device_mutex); |
|
|
|
return ret; |
|
} |
|
|
|
static void mthca_remove_one(struct pci_dev *pdev) |
|
{ |
|
mutex_lock(&mthca_device_mutex); |
|
__mthca_remove_one(pdev); |
|
mutex_unlock(&mthca_device_mutex); |
|
} |
|
|
|
static const struct pci_device_id mthca_pci_table[] = { |
|
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR), |
|
.driver_data = TAVOR }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR), |
|
.driver_data = TAVOR }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), |
|
.driver_data = ARBEL_COMPAT }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), |
|
.driver_data = ARBEL_COMPAT }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL), |
|
.driver_data = ARBEL_NATIVE }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL), |
|
.driver_data = ARBEL_NATIVE }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI), |
|
.driver_data = SINAI }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI), |
|
.driver_data = SINAI }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), |
|
.driver_data = SINAI }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), |
|
.driver_data = SINAI }, |
|
{ 0, } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(pci, mthca_pci_table); |
|
|
|
static struct pci_driver mthca_driver = { |
|
.name = DRV_NAME, |
|
.id_table = mthca_pci_table, |
|
.probe = mthca_init_one, |
|
.remove = mthca_remove_one, |
|
}; |
|
|
|
static void __init __mthca_check_profile_val(const char *name, int *pval, |
|
int pval_default) |
|
{ |
|
/* value must be positive and power of 2 */ |
|
int old_pval = *pval; |
|
|
|
if (old_pval <= 0) |
|
*pval = pval_default; |
|
else |
|
*pval = roundup_pow_of_two(old_pval); |
|
|
|
if (old_pval != *pval) { |
|
printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n", |
|
old_pval, name); |
|
printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval); |
|
} |
|
} |
|
|
|
#define mthca_check_profile_val(name, default) \ |
|
__mthca_check_profile_val(#name, &hca_profile.name, default) |
|
|
|
static void __init mthca_validate_profile(void) |
|
{ |
|
mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP); |
|
mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP); |
|
mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ); |
|
mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG); |
|
mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT); |
|
mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT); |
|
mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV); |
|
mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS); |
|
|
|
if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) { |
|
printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n", |
|
hca_profile.fmr_reserved_mtts); |
|
printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n", |
|
hca_profile.num_mtt); |
|
hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2; |
|
printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n", |
|
hca_profile.fmr_reserved_mtts); |
|
} |
|
|
|
if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { |
|
printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n", |
|
log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8)); |
|
log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8); |
|
} |
|
} |
|
|
|
static int __init mthca_init(void) |
|
{ |
|
int ret; |
|
|
|
mthca_validate_profile(); |
|
|
|
ret = mthca_catas_init(); |
|
if (ret) |
|
return ret; |
|
|
|
ret = pci_register_driver(&mthca_driver); |
|
if (ret < 0) { |
|
mthca_catas_cleanup(); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void __exit mthca_cleanup(void) |
|
{ |
|
pci_unregister_driver(&mthca_driver); |
|
mthca_catas_cleanup(); |
|
} |
|
|
|
module_init(mthca_init); |
|
module_exit(mthca_cleanup);
|
|
|