![Yevgeny Petrilin](/assets/img/avatar_default.png)
On the error path of mlx4_init_hca(), mlx4_close_hca() is called, followed by mlx4_free_icms() and mlx4_UNMAP_FA(). But both those functions are also called from mlx4_close_hca(), which leads to a double free. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
1342 lines
35 KiB
C
1342 lines
35 KiB
C
/*
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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, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2006, 2007 Cisco Systems, Inc. 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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#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/dma-mapping.h>
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#include <linux/mlx4/device.h>
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#include <linux/mlx4/doorbell.h>
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#include "mlx4.h"
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#include "fw.h"
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#include "icm.h"
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MODULE_AUTHOR("Roland Dreier");
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MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_VERSION(DRV_VERSION);
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struct workqueue_struct *mlx4_wq;
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#ifdef CONFIG_MLX4_DEBUG
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int mlx4_debug_level = 0;
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module_param_named(debug_level, mlx4_debug_level, int, 0644);
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MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
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#endif /* CONFIG_MLX4_DEBUG */
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#ifdef CONFIG_PCI_MSI
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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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#else /* CONFIG_PCI_MSI */
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#define msi_x (0)
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#endif /* CONFIG_PCI_MSI */
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static char mlx4_version[] __devinitdata =
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DRV_NAME ": Mellanox ConnectX core driver v"
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DRV_VERSION " (" DRV_RELDATE ")\n";
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static struct mlx4_profile default_profile = {
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.num_qp = 1 << 17,
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.num_srq = 1 << 16,
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.rdmarc_per_qp = 1 << 4,
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.num_cq = 1 << 16,
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.num_mcg = 1 << 13,
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.num_mpt = 1 << 17,
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.num_mtt = 1 << 20,
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};
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static int log_num_mac = 2;
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module_param_named(log_num_mac, log_num_mac, int, 0444);
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MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
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static int log_num_vlan;
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module_param_named(log_num_vlan, log_num_vlan, int, 0444);
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MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
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static int use_prio;
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module_param_named(use_prio, use_prio, bool, 0444);
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MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
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"(0/1, default 0)");
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static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
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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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int mlx4_check_port_params(struct mlx4_dev *dev,
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enum mlx4_port_type *port_type)
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{
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int i;
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for (i = 0; i < dev->caps.num_ports - 1; i++) {
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if (port_type[i] != port_type[i + 1]) {
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if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
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mlx4_err(dev, "Only same port types supported "
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"on this HCA, aborting.\n");
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return -EINVAL;
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}
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if (port_type[i] == MLX4_PORT_TYPE_ETH &&
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port_type[i + 1] == MLX4_PORT_TYPE_IB)
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return -EINVAL;
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}
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}
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for (i = 0; i < dev->caps.num_ports; i++) {
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if (!(port_type[i] & dev->caps.supported_type[i+1])) {
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mlx4_err(dev, "Requested port type for port %d is not "
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"supported on this HCA\n", i + 1);
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return -EINVAL;
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}
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}
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return 0;
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}
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static void mlx4_set_port_mask(struct mlx4_dev *dev)
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{
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int i;
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dev->caps.port_mask = 0;
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for (i = 1; i <= dev->caps.num_ports; ++i)
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if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB)
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dev->caps.port_mask |= 1 << (i - 1);
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}
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static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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{
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int err;
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int i;
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err = mlx4_QUERY_DEV_CAP(dev, dev_cap);
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if (err) {
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mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
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return err;
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}
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if (dev_cap->min_page_sz > PAGE_SIZE) {
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mlx4_err(dev, "HCA minimum page size of %d bigger than "
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"kernel PAGE_SIZE of %ld, aborting.\n",
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dev_cap->min_page_sz, PAGE_SIZE);
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return -ENODEV;
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}
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if (dev_cap->num_ports > MLX4_MAX_PORTS) {
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mlx4_err(dev, "HCA has %d ports, but we only support %d, "
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"aborting.\n",
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dev_cap->num_ports, MLX4_MAX_PORTS);
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return -ENODEV;
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}
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if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) {
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mlx4_err(dev, "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_cap->uar_size,
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(unsigned long long) pci_resource_len(dev->pdev, 2));
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return -ENODEV;
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}
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dev->caps.num_ports = dev_cap->num_ports;
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for (i = 1; i <= dev->caps.num_ports; ++i) {
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dev->caps.vl_cap[i] = dev_cap->max_vl[i];
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dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i];
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dev->caps.gid_table_len[i] = dev_cap->max_gids[i];
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dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
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dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
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dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i];
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dev->caps.def_mac[i] = dev_cap->def_mac[i];
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dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
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}
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dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE;
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dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay;
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dev->caps.bf_reg_size = dev_cap->bf_reg_size;
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dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page;
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dev->caps.max_sq_sg = dev_cap->max_sq_sg;
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dev->caps.max_rq_sg = dev_cap->max_rq_sg;
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dev->caps.max_wqes = dev_cap->max_qp_sz;
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dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp;
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dev->caps.max_srq_wqes = dev_cap->max_srq_sz;
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dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1;
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dev->caps.reserved_srqs = dev_cap->reserved_srqs;
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dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz;
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dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
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dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM;
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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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dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
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dev->caps.reserved_cqs = dev_cap->reserved_cqs;
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dev->caps.reserved_eqs = dev_cap->reserved_eqs;
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dev->caps.mtts_per_seg = 1 << log_mtts_per_seg;
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dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts,
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dev->caps.mtts_per_seg);
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dev->caps.reserved_mrws = dev_cap->reserved_mrws;
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dev->caps.reserved_uars = dev_cap->reserved_uars;
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dev->caps.reserved_pds = dev_cap->reserved_pds;
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dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz;
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dev->caps.max_msg_sz = dev_cap->max_msg_sz;
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dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
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dev->caps.flags = dev_cap->flags;
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dev->caps.bmme_flags = dev_cap->bmme_flags;
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dev->caps.reserved_lkey = dev_cap->reserved_lkey;
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dev->caps.stat_rate_support = dev_cap->stat_rate_support;
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dev->caps.max_gso_sz = dev_cap->max_gso_sz;
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dev->caps.log_num_macs = log_num_mac;
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dev->caps.log_num_vlans = log_num_vlan;
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dev->caps.log_num_prios = use_prio ? 3 : 0;
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for (i = 1; i <= dev->caps.num_ports; ++i) {
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if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH)
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dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
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else
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dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
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dev->caps.possible_type[i] = dev->caps.port_type[i];
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mlx4_priv(dev)->sense.sense_allowed[i] =
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dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO;
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if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
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dev->caps.log_num_macs = dev_cap->log_max_macs[i];
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mlx4_warn(dev, "Requested number of MACs is too much "
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"for port %d, reducing to %d.\n",
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i, 1 << dev->caps.log_num_macs);
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}
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if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) {
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dev->caps.log_num_vlans = dev_cap->log_max_vlans[i];
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mlx4_warn(dev, "Requested number of VLANs is too much "
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"for port %d, reducing to %d.\n",
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i, 1 << dev->caps.log_num_vlans);
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}
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}
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mlx4_set_port_mask(dev);
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
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(1 << dev->caps.log_num_macs) *
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(1 << dev->caps.log_num_vlans) *
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(1 << dev->caps.log_num_prios) *
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dev->caps.num_ports;
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH;
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dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] +
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] +
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
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dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
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return 0;
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}
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/*
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* Change the port configuration of the device.
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* Every user of this function must hold the port mutex.
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*/
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int mlx4_change_port_types(struct mlx4_dev *dev,
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enum mlx4_port_type *port_types)
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{
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int err = 0;
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int change = 0;
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int port;
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for (port = 0; port < dev->caps.num_ports; port++) {
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/* Change the port type only if the new type is different
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* from the current, and not set to Auto */
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if (port_types[port] != dev->caps.port_type[port + 1]) {
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change = 1;
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dev->caps.port_type[port + 1] = port_types[port];
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}
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}
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if (change) {
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mlx4_unregister_device(dev);
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for (port = 1; port <= dev->caps.num_ports; port++) {
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mlx4_CLOSE_PORT(dev, port);
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err = mlx4_SET_PORT(dev, port);
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if (err) {
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mlx4_err(dev, "Failed to set port %d, "
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"aborting\n", port);
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goto out;
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}
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}
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mlx4_set_port_mask(dev);
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err = mlx4_register_device(dev);
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}
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out:
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return err;
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}
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static ssize_t show_port_type(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
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port_attr);
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struct mlx4_dev *mdev = info->dev;
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char type[8];
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sprintf(type, "%s",
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(mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ?
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"ib" : "eth");
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if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO)
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sprintf(buf, "auto (%s)\n", type);
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else
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sprintf(buf, "%s\n", type);
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return strlen(buf);
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}
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static ssize_t set_port_type(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
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port_attr);
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struct mlx4_dev *mdev = info->dev;
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struct mlx4_priv *priv = mlx4_priv(mdev);
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enum mlx4_port_type types[MLX4_MAX_PORTS];
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enum mlx4_port_type new_types[MLX4_MAX_PORTS];
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int i;
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int err = 0;
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if (!strcmp(buf, "ib\n"))
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info->tmp_type = MLX4_PORT_TYPE_IB;
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else if (!strcmp(buf, "eth\n"))
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info->tmp_type = MLX4_PORT_TYPE_ETH;
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else if (!strcmp(buf, "auto\n"))
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info->tmp_type = MLX4_PORT_TYPE_AUTO;
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else {
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mlx4_err(mdev, "%s is not supported port type\n", buf);
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return -EINVAL;
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}
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mlx4_stop_sense(mdev);
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mutex_lock(&priv->port_mutex);
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/* Possible type is always the one that was delivered */
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mdev->caps.possible_type[info->port] = info->tmp_type;
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for (i = 0; i < mdev->caps.num_ports; i++) {
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types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
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mdev->caps.possible_type[i+1];
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if (types[i] == MLX4_PORT_TYPE_AUTO)
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types[i] = mdev->caps.port_type[i+1];
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}
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if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
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for (i = 1; i <= mdev->caps.num_ports; i++) {
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if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
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mdev->caps.possible_type[i] = mdev->caps.port_type[i];
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err = -EINVAL;
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}
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}
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}
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if (err) {
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mlx4_err(mdev, "Auto sensing is not supported on this HCA. "
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"Set only 'eth' or 'ib' for both ports "
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"(should be the same)\n");
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goto out;
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}
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mlx4_do_sense_ports(mdev, new_types, types);
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err = mlx4_check_port_params(mdev, new_types);
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if (err)
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goto out;
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/* We are about to apply the changes after the configuration
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* was verified, no need to remember the temporary types
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* any more */
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for (i = 0; i < mdev->caps.num_ports; i++)
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priv->port[i + 1].tmp_type = 0;
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err = mlx4_change_port_types(mdev, new_types);
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out:
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mlx4_start_sense(mdev);
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mutex_unlock(&priv->port_mutex);
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return err ? err : count;
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}
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static int mlx4_load_fw(struct mlx4_dev *dev)
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{
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struct mlx4_priv *priv = mlx4_priv(dev);
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int err;
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priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages,
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GFP_HIGHUSER | __GFP_NOWARN, 0);
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if (!priv->fw.fw_icm) {
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mlx4_err(dev, "Couldn't allocate FW area, aborting.\n");
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return -ENOMEM;
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}
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err = mlx4_MAP_FA(dev, priv->fw.fw_icm);
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if (err) {
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mlx4_err(dev, "MAP_FA command failed, aborting.\n");
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goto err_free;
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}
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err = mlx4_RUN_FW(dev);
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if (err) {
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mlx4_err(dev, "RUN_FW command failed, aborting.\n");
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goto err_unmap_fa;
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|
}
|
|
|
|
return 0;
|
|
|
|
err_unmap_fa:
|
|
mlx4_UNMAP_FA(dev);
|
|
|
|
err_free:
|
|
mlx4_free_icm(dev, priv->fw.fw_icm, 0);
|
|
return err;
|
|
}
|
|
|
|
static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
|
|
int cmpt_entry_sz)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
int err;
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table,
|
|
cmpt_base +
|
|
((u64) (MLX4_CMPT_TYPE_QP *
|
|
cmpt_entry_sz) << MLX4_CMPT_SHIFT),
|
|
cmpt_entry_sz, dev->caps.num_qps,
|
|
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
|
|
0, 0);
|
|
if (err)
|
|
goto err;
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table,
|
|
cmpt_base +
|
|
((u64) (MLX4_CMPT_TYPE_SRQ *
|
|
cmpt_entry_sz) << MLX4_CMPT_SHIFT),
|
|
cmpt_entry_sz, dev->caps.num_srqs,
|
|
dev->caps.reserved_srqs, 0, 0);
|
|
if (err)
|
|
goto err_qp;
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table,
|
|
cmpt_base +
|
|
((u64) (MLX4_CMPT_TYPE_CQ *
|
|
cmpt_entry_sz) << MLX4_CMPT_SHIFT),
|
|
cmpt_entry_sz, dev->caps.num_cqs,
|
|
dev->caps.reserved_cqs, 0, 0);
|
|
if (err)
|
|
goto err_srq;
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table,
|
|
cmpt_base +
|
|
((u64) (MLX4_CMPT_TYPE_EQ *
|
|
cmpt_entry_sz) << MLX4_CMPT_SHIFT),
|
|
cmpt_entry_sz,
|
|
dev->caps.num_eqs, dev->caps.num_eqs, 0, 0);
|
|
if (err)
|
|
goto err_cq;
|
|
|
|
return 0;
|
|
|
|
err_cq:
|
|
mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
|
|
|
|
err_srq:
|
|
mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
|
|
|
|
err_qp:
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
|
|
|
|
err:
|
|
return err;
|
|
}
|
|
|
|
static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
|
|
struct mlx4_init_hca_param *init_hca, u64 icm_size)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
u64 aux_pages;
|
|
int err;
|
|
|
|
err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages);
|
|
if (err) {
|
|
mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n");
|
|
return err;
|
|
}
|
|
|
|
mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n",
|
|
(unsigned long long) icm_size >> 10,
|
|
(unsigned long long) aux_pages << 2);
|
|
|
|
priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages,
|
|
GFP_HIGHUSER | __GFP_NOWARN, 0);
|
|
if (!priv->fw.aux_icm) {
|
|
mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm);
|
|
if (err) {
|
|
mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n");
|
|
goto err_free_aux;
|
|
}
|
|
|
|
err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n");
|
|
goto err_unmap_aux;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->eq_table.table,
|
|
init_hca->eqc_base, dev_cap->eqc_entry_sz,
|
|
dev->caps.num_eqs, dev->caps.num_eqs,
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map EQ context memory, aborting.\n");
|
|
goto err_unmap_cmpt;
|
|
}
|
|
|
|
/*
|
|
* Reserved MTT entries must be aligned up to a cacheline
|
|
* boundary, since the FW will write to them, while the driver
|
|
* writes to all other MTT entries. (The variable
|
|
* dev->caps.mtt_entry_sz below is really the MTT segment
|
|
* size, not the raw entry size)
|
|
*/
|
|
dev->caps.reserved_mtts =
|
|
ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz,
|
|
dma_get_cache_alignment()) / dev->caps.mtt_entry_sz;
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table,
|
|
init_hca->mtt_base,
|
|
dev->caps.mtt_entry_sz,
|
|
dev->caps.num_mtt_segs,
|
|
dev->caps.reserved_mtts, 1, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map MTT context memory, aborting.\n");
|
|
goto err_unmap_eq;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table,
|
|
init_hca->dmpt_base,
|
|
dev_cap->dmpt_entry_sz,
|
|
dev->caps.num_mpts,
|
|
dev->caps.reserved_mrws, 1, 1);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n");
|
|
goto err_unmap_mtt;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table,
|
|
init_hca->qpc_base,
|
|
dev_cap->qpc_entry_sz,
|
|
dev->caps.num_qps,
|
|
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map QP context memory, aborting.\n");
|
|
goto err_unmap_dmpt;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table,
|
|
init_hca->auxc_base,
|
|
dev_cap->aux_entry_sz,
|
|
dev->caps.num_qps,
|
|
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n");
|
|
goto err_unmap_qp;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table,
|
|
init_hca->altc_base,
|
|
dev_cap->altc_entry_sz,
|
|
dev->caps.num_qps,
|
|
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n");
|
|
goto err_unmap_auxc;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table,
|
|
init_hca->rdmarc_base,
|
|
dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift,
|
|
dev->caps.num_qps,
|
|
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n");
|
|
goto err_unmap_altc;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->cq_table.table,
|
|
init_hca->cqc_base,
|
|
dev_cap->cqc_entry_sz,
|
|
dev->caps.num_cqs,
|
|
dev->caps.reserved_cqs, 0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map CQ context memory, aborting.\n");
|
|
goto err_unmap_rdmarc;
|
|
}
|
|
|
|
err = mlx4_init_icm_table(dev, &priv->srq_table.table,
|
|
init_hca->srqc_base,
|
|
dev_cap->srq_entry_sz,
|
|
dev->caps.num_srqs,
|
|
dev->caps.reserved_srqs, 0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n");
|
|
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.
|
|
*/
|
|
err = mlx4_init_icm_table(dev, &priv->mcg_table.table,
|
|
init_hca->mc_base, MLX4_MGM_ENTRY_SIZE,
|
|
dev->caps.num_mgms + dev->caps.num_amgms,
|
|
dev->caps.num_mgms + dev->caps.num_amgms,
|
|
0, 0);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to map MCG context memory, aborting.\n");
|
|
goto err_unmap_srq;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_unmap_srq:
|
|
mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
|
|
|
|
err_unmap_cq:
|
|
mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
|
|
|
|
err_unmap_rdmarc:
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
|
|
|
|
err_unmap_altc:
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
|
|
|
|
err_unmap_auxc:
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
|
|
|
|
err_unmap_qp:
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
|
|
|
|
err_unmap_dmpt:
|
|
mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
|
|
|
|
err_unmap_mtt:
|
|
mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
|
|
|
|
err_unmap_eq:
|
|
mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
|
|
|
|
err_unmap_cmpt:
|
|
mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
|
|
|
|
err_unmap_aux:
|
|
mlx4_UNMAP_ICM_AUX(dev);
|
|
|
|
err_free_aux:
|
|
mlx4_free_icm(dev, priv->fw.aux_icm, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void mlx4_free_icms(struct mlx4_dev *dev)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
|
|
mlx4_cleanup_icm_table(dev, &priv->mcg_table.table);
|
|
mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
|
|
mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
|
|
mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
|
|
mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
|
|
|
|
mlx4_UNMAP_ICM_AUX(dev);
|
|
mlx4_free_icm(dev, priv->fw.aux_icm, 0);
|
|
}
|
|
|
|
static void mlx4_close_hca(struct mlx4_dev *dev)
|
|
{
|
|
mlx4_CLOSE_HCA(dev, 0);
|
|
mlx4_free_icms(dev);
|
|
mlx4_UNMAP_FA(dev);
|
|
mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0);
|
|
}
|
|
|
|
static int mlx4_init_hca(struct mlx4_dev *dev)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
struct mlx4_adapter adapter;
|
|
struct mlx4_dev_cap dev_cap;
|
|
struct mlx4_mod_stat_cfg mlx4_cfg;
|
|
struct mlx4_profile profile;
|
|
struct mlx4_init_hca_param init_hca;
|
|
u64 icm_size;
|
|
int err;
|
|
|
|
err = mlx4_QUERY_FW(dev);
|
|
if (err) {
|
|
if (err == -EACCES)
|
|
mlx4_info(dev, "non-primary physical function, skipping.\n");
|
|
else
|
|
mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
|
|
return err;
|
|
}
|
|
|
|
err = mlx4_load_fw(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to start FW, aborting.\n");
|
|
return err;
|
|
}
|
|
|
|
mlx4_cfg.log_pg_sz_m = 1;
|
|
mlx4_cfg.log_pg_sz = 0;
|
|
err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg);
|
|
if (err)
|
|
mlx4_warn(dev, "Failed to override log_pg_sz parameter\n");
|
|
|
|
err = mlx4_dev_cap(dev, &dev_cap);
|
|
if (err) {
|
|
mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
|
|
goto err_stop_fw;
|
|
}
|
|
|
|
profile = default_profile;
|
|
|
|
icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca);
|
|
if ((long long) icm_size < 0) {
|
|
err = icm_size;
|
|
goto err_stop_fw;
|
|
}
|
|
|
|
init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
|
|
|
|
err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
|
|
if (err)
|
|
goto err_stop_fw;
|
|
|
|
err = mlx4_INIT_HCA(dev, &init_hca);
|
|
if (err) {
|
|
mlx4_err(dev, "INIT_HCA command failed, aborting.\n");
|
|
goto err_free_icm;
|
|
}
|
|
|
|
err = mlx4_QUERY_ADAPTER(dev, &adapter);
|
|
if (err) {
|
|
mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n");
|
|
goto err_close;
|
|
}
|
|
|
|
priv->eq_table.inta_pin = adapter.inta_pin;
|
|
memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
|
|
|
|
return 0;
|
|
|
|
err_close:
|
|
mlx4_CLOSE_HCA(dev, 0);
|
|
|
|
err_free_icm:
|
|
mlx4_free_icms(dev);
|
|
|
|
err_stop_fw:
|
|
mlx4_UNMAP_FA(dev);
|
|
mlx4_free_icm(dev, priv->fw.fw_icm, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int mlx4_setup_hca(struct mlx4_dev *dev)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
int err;
|
|
int port;
|
|
__be32 ib_port_default_caps;
|
|
|
|
err = mlx4_init_uar_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"user access region table, aborting.\n");
|
|
return err;
|
|
}
|
|
|
|
err = mlx4_uar_alloc(dev, &priv->driver_uar);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to allocate driver access region, "
|
|
"aborting.\n");
|
|
goto err_uar_table_free;
|
|
}
|
|
|
|
priv->kar = ioremap(priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
|
|
if (!priv->kar) {
|
|
mlx4_err(dev, "Couldn't map kernel access region, "
|
|
"aborting.\n");
|
|
err = -ENOMEM;
|
|
goto err_uar_free;
|
|
}
|
|
|
|
err = mlx4_init_pd_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"protection domain table, aborting.\n");
|
|
goto err_kar_unmap;
|
|
}
|
|
|
|
err = mlx4_init_mr_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"memory region table, aborting.\n");
|
|
goto err_pd_table_free;
|
|
}
|
|
|
|
err = mlx4_init_eq_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"event queue table, aborting.\n");
|
|
goto err_mr_table_free;
|
|
}
|
|
|
|
err = mlx4_cmd_use_events(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to switch to event-driven "
|
|
"firmware commands, aborting.\n");
|
|
goto err_eq_table_free;
|
|
}
|
|
|
|
err = mlx4_NOP(dev);
|
|
if (err) {
|
|
if (dev->flags & MLX4_FLAG_MSI_X) {
|
|
mlx4_warn(dev, "NOP command failed to generate MSI-X "
|
|
"interrupt IRQ %d).\n",
|
|
priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
|
|
mlx4_warn(dev, "Trying again without MSI-X.\n");
|
|
} else {
|
|
mlx4_err(dev, "NOP command failed to generate interrupt "
|
|
"(IRQ %d), aborting.\n",
|
|
priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
|
|
mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
|
|
}
|
|
|
|
goto err_cmd_poll;
|
|
}
|
|
|
|
mlx4_dbg(dev, "NOP command IRQ test passed\n");
|
|
|
|
err = mlx4_init_cq_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"completion queue table, aborting.\n");
|
|
goto err_cmd_poll;
|
|
}
|
|
|
|
err = mlx4_init_srq_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"shared receive queue table, aborting.\n");
|
|
goto err_cq_table_free;
|
|
}
|
|
|
|
err = mlx4_init_qp_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"queue pair table, aborting.\n");
|
|
goto err_srq_table_free;
|
|
}
|
|
|
|
err = mlx4_init_mcg_table(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to initialize "
|
|
"multicast group table, aborting.\n");
|
|
goto err_qp_table_free;
|
|
}
|
|
|
|
for (port = 1; port <= dev->caps.num_ports; port++) {
|
|
ib_port_default_caps = 0;
|
|
err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
|
|
if (err)
|
|
mlx4_warn(dev, "failed to get port %d default "
|
|
"ib capabilities (%d). Continuing with "
|
|
"caps = 0\n", port, err);
|
|
dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
|
|
err = mlx4_SET_PORT(dev, port);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to set port %d, aborting\n",
|
|
port);
|
|
goto err_mcg_table_free;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_mcg_table_free:
|
|
mlx4_cleanup_mcg_table(dev);
|
|
|
|
err_qp_table_free:
|
|
mlx4_cleanup_qp_table(dev);
|
|
|
|
err_srq_table_free:
|
|
mlx4_cleanup_srq_table(dev);
|
|
|
|
err_cq_table_free:
|
|
mlx4_cleanup_cq_table(dev);
|
|
|
|
err_cmd_poll:
|
|
mlx4_cmd_use_polling(dev);
|
|
|
|
err_eq_table_free:
|
|
mlx4_cleanup_eq_table(dev);
|
|
|
|
err_mr_table_free:
|
|
mlx4_cleanup_mr_table(dev);
|
|
|
|
err_pd_table_free:
|
|
mlx4_cleanup_pd_table(dev);
|
|
|
|
err_kar_unmap:
|
|
iounmap(priv->kar);
|
|
|
|
err_uar_free:
|
|
mlx4_uar_free(dev, &priv->driver_uar);
|
|
|
|
err_uar_table_free:
|
|
mlx4_cleanup_uar_table(dev);
|
|
return err;
|
|
}
|
|
|
|
static void mlx4_enable_msi_x(struct mlx4_dev *dev)
|
|
{
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
struct msix_entry *entries;
|
|
int nreq;
|
|
int err;
|
|
int i;
|
|
|
|
if (msi_x) {
|
|
nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
|
|
num_possible_cpus() + 1);
|
|
entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
|
|
if (!entries)
|
|
goto no_msi;
|
|
|
|
for (i = 0; i < nreq; ++i)
|
|
entries[i].entry = i;
|
|
|
|
retry:
|
|
err = pci_enable_msix(dev->pdev, entries, nreq);
|
|
if (err) {
|
|
/* Try again if at least 2 vectors are available */
|
|
if (err > 1) {
|
|
mlx4_info(dev, "Requested %d vectors, "
|
|
"but only %d MSI-X vectors available, "
|
|
"trying again\n", nreq, err);
|
|
nreq = err;
|
|
goto retry;
|
|
}
|
|
kfree(entries);
|
|
goto no_msi;
|
|
}
|
|
|
|
dev->caps.num_comp_vectors = nreq - 1;
|
|
for (i = 0; i < nreq; ++i)
|
|
priv->eq_table.eq[i].irq = entries[i].vector;
|
|
|
|
dev->flags |= MLX4_FLAG_MSI_X;
|
|
|
|
kfree(entries);
|
|
return;
|
|
}
|
|
|
|
no_msi:
|
|
dev->caps.num_comp_vectors = 1;
|
|
|
|
for (i = 0; i < 2; ++i)
|
|
priv->eq_table.eq[i].irq = dev->pdev->irq;
|
|
}
|
|
|
|
static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
|
|
{
|
|
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
|
|
int err = 0;
|
|
|
|
info->dev = dev;
|
|
info->port = port;
|
|
mlx4_init_mac_table(dev, &info->mac_table);
|
|
mlx4_init_vlan_table(dev, &info->vlan_table);
|
|
|
|
sprintf(info->dev_name, "mlx4_port%d", port);
|
|
info->port_attr.attr.name = info->dev_name;
|
|
info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
|
|
info->port_attr.show = show_port_type;
|
|
info->port_attr.store = set_port_type;
|
|
|
|
err = device_create_file(&dev->pdev->dev, &info->port_attr);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to create file for port %d\n", port);
|
|
info->port = -1;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
|
|
{
|
|
if (info->port < 0)
|
|
return;
|
|
|
|
device_remove_file(&info->dev->pdev->dev, &info->port_attr);
|
|
}
|
|
|
|
static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct mlx4_priv *priv;
|
|
struct mlx4_dev *dev;
|
|
int err;
|
|
int port;
|
|
|
|
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
|
|
*/
|
|
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;
|
|
}
|
|
|
|
err = pci_request_regions(pdev, DRV_NAME);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Couldn't get 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_release_regions;
|
|
}
|
|
}
|
|
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_release_regions;
|
|
}
|
|
}
|
|
|
|
priv = kzalloc(sizeof *priv, GFP_KERNEL);
|
|
if (!priv) {
|
|
dev_err(&pdev->dev, "Device struct alloc failed, "
|
|
"aborting.\n");
|
|
err = -ENOMEM;
|
|
goto err_release_regions;
|
|
}
|
|
|
|
dev = &priv->dev;
|
|
dev->pdev = pdev;
|
|
INIT_LIST_HEAD(&priv->ctx_list);
|
|
spin_lock_init(&priv->ctx_lock);
|
|
|
|
mutex_init(&priv->port_mutex);
|
|
|
|
INIT_LIST_HEAD(&priv->pgdir_list);
|
|
mutex_init(&priv->pgdir_mutex);
|
|
|
|
/*
|
|
* 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 = mlx4_reset(dev);
|
|
if (err) {
|
|
mlx4_err(dev, "Failed to reset HCA, aborting.\n");
|
|
goto err_free_dev;
|
|
}
|
|
|
|
if (mlx4_cmd_init(dev)) {
|
|
mlx4_err(dev, "Failed to init command interface, aborting.\n");
|
|
goto err_free_dev;
|
|
}
|
|
|
|
err = mlx4_init_hca(dev);
|
|
if (err)
|
|
goto err_cmd;
|
|
|
|
err = mlx4_alloc_eq_table(dev);
|
|
if (err)
|
|
goto err_close;
|
|
|
|
mlx4_enable_msi_x(dev);
|
|
|
|
err = mlx4_setup_hca(dev);
|
|
if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) {
|
|
dev->flags &= ~MLX4_FLAG_MSI_X;
|
|
pci_disable_msix(pdev);
|
|
err = mlx4_setup_hca(dev);
|
|
}
|
|
|
|
if (err)
|
|
goto err_free_eq;
|
|
|
|
for (port = 1; port <= dev->caps.num_ports; port++) {
|
|
err = mlx4_init_port_info(dev, port);
|
|
if (err)
|
|
goto err_port;
|
|
}
|
|
|
|
err = mlx4_register_device(dev);
|
|
if (err)
|
|
goto err_port;
|
|
|
|
mlx4_sense_init(dev);
|
|
mlx4_start_sense(dev);
|
|
|
|
pci_set_drvdata(pdev, dev);
|
|
|
|
return 0;
|
|
|
|
err_port:
|
|
for (port = 1; port <= dev->caps.num_ports; port++)
|
|
mlx4_cleanup_port_info(&priv->port[port]);
|
|
|
|
mlx4_cleanup_mcg_table(dev);
|
|
mlx4_cleanup_qp_table(dev);
|
|
mlx4_cleanup_srq_table(dev);
|
|
mlx4_cleanup_cq_table(dev);
|
|
mlx4_cmd_use_polling(dev);
|
|
mlx4_cleanup_eq_table(dev);
|
|
mlx4_cleanup_mr_table(dev);
|
|
mlx4_cleanup_pd_table(dev);
|
|
mlx4_cleanup_uar_table(dev);
|
|
|
|
err_free_eq:
|
|
mlx4_free_eq_table(dev);
|
|
|
|
err_close:
|
|
if (dev->flags & MLX4_FLAG_MSI_X)
|
|
pci_disable_msix(pdev);
|
|
|
|
mlx4_close_hca(dev);
|
|
|
|
err_cmd:
|
|
mlx4_cmd_cleanup(dev);
|
|
|
|
err_free_dev:
|
|
kfree(priv);
|
|
|
|
err_release_regions:
|
|
pci_release_regions(pdev);
|
|
|
|
err_disable_pdev:
|
|
pci_disable_device(pdev);
|
|
pci_set_drvdata(pdev, NULL);
|
|
return err;
|
|
}
|
|
|
|
static int __devinit mlx4_init_one(struct pci_dev *pdev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
static int mlx4_version_printed;
|
|
|
|
if (!mlx4_version_printed) {
|
|
printk(KERN_INFO "%s", mlx4_version);
|
|
++mlx4_version_printed;
|
|
}
|
|
|
|
return __mlx4_init_one(pdev, id);
|
|
}
|
|
|
|
static void mlx4_remove_one(struct pci_dev *pdev)
|
|
{
|
|
struct mlx4_dev *dev = pci_get_drvdata(pdev);
|
|
struct mlx4_priv *priv = mlx4_priv(dev);
|
|
int p;
|
|
|
|
if (dev) {
|
|
mlx4_stop_sense(dev);
|
|
mlx4_unregister_device(dev);
|
|
|
|
for (p = 1; p <= dev->caps.num_ports; p++) {
|
|
mlx4_cleanup_port_info(&priv->port[p]);
|
|
mlx4_CLOSE_PORT(dev, p);
|
|
}
|
|
|
|
mlx4_cleanup_mcg_table(dev);
|
|
mlx4_cleanup_qp_table(dev);
|
|
mlx4_cleanup_srq_table(dev);
|
|
mlx4_cleanup_cq_table(dev);
|
|
mlx4_cmd_use_polling(dev);
|
|
mlx4_cleanup_eq_table(dev);
|
|
mlx4_cleanup_mr_table(dev);
|
|
mlx4_cleanup_pd_table(dev);
|
|
|
|
iounmap(priv->kar);
|
|
mlx4_uar_free(dev, &priv->driver_uar);
|
|
mlx4_cleanup_uar_table(dev);
|
|
mlx4_free_eq_table(dev);
|
|
mlx4_close_hca(dev);
|
|
mlx4_cmd_cleanup(dev);
|
|
|
|
if (dev->flags & MLX4_FLAG_MSI_X)
|
|
pci_disable_msix(pdev);
|
|
|
|
kfree(priv);
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
pci_set_drvdata(pdev, NULL);
|
|
}
|
|
}
|
|
|
|
int mlx4_restart_one(struct pci_dev *pdev)
|
|
{
|
|
mlx4_remove_one(pdev);
|
|
return __mlx4_init_one(pdev, NULL);
|
|
}
|
|
|
|
static struct pci_device_id mlx4_pci_table[] = {
|
|
{ PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */
|
|
{ PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */
|
|
{ PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */
|
|
{ PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
|
|
{ PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/
|
|
{ 0, }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, mlx4_pci_table);
|
|
|
|
static struct pci_driver mlx4_driver = {
|
|
.name = DRV_NAME,
|
|
.id_table = mlx4_pci_table,
|
|
.probe = mlx4_init_one,
|
|
.remove = __devexit_p(mlx4_remove_one)
|
|
};
|
|
|
|
static int __init mlx4_verify_params(void)
|
|
{
|
|
if ((log_num_mac < 0) || (log_num_mac > 7)) {
|
|
printk(KERN_WARNING "mlx4_core: bad num_mac: %d\n", log_num_mac);
|
|
return -1;
|
|
}
|
|
|
|
if ((log_num_vlan < 0) || (log_num_vlan > 7)) {
|
|
printk(KERN_WARNING "mlx4_core: bad num_vlan: %d\n", log_num_vlan);
|
|
return -1;
|
|
}
|
|
|
|
if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
|
|
printk(KERN_WARNING "mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __init mlx4_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (mlx4_verify_params())
|
|
return -EINVAL;
|
|
|
|
mlx4_catas_init();
|
|
|
|
mlx4_wq = create_singlethread_workqueue("mlx4");
|
|
if (!mlx4_wq)
|
|
return -ENOMEM;
|
|
|
|
ret = pci_register_driver(&mlx4_driver);
|
|
return ret < 0 ? ret : 0;
|
|
}
|
|
|
|
static void __exit mlx4_cleanup(void)
|
|
{
|
|
pci_unregister_driver(&mlx4_driver);
|
|
destroy_workqueue(mlx4_wq);
|
|
}
|
|
|
|
module_init(mlx4_init);
|
|
module_exit(mlx4_cleanup);
|