2005-04-16 22:20:36 +00:00
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/*
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* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
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2005-06-27 21:36:37 +00:00
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
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2005-07-08 00:57:16 +00:00
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* Copyright (c) 2005 Cisco Systems. All rights reserved.
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2005-04-16 22:20:36 +00:00
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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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* $Id: mthca_provider.c 1397 2004-12-28 05:09:00Z roland $
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*/
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#include <ib_smi.h>
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2005-07-08 00:57:17 +00:00
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#include <linux/mm.h>
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2005-04-16 22:20:36 +00:00
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#include "mthca_dev.h"
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#include "mthca_cmd.h"
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2005-07-08 00:57:16 +00:00
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#include "mthca_user.h"
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#include "mthca_memfree.h"
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2005-04-16 22:20:36 +00:00
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static int mthca_query_device(struct ib_device *ibdev,
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struct ib_device_attr *props)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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struct mthca_dev* mdev = to_mdev(ibdev);
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u8 status;
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in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
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out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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2005-06-27 21:36:42 +00:00
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memset(props, 0, sizeof *props);
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2005-04-16 22:26:14 +00:00
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2005-04-16 22:20:36 +00:00
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props->fw_ver = mdev->fw_ver;
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memset(in_mad, 0, sizeof *in_mad);
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in_mad->base_version = 1;
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in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
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in_mad->class_version = 1;
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in_mad->method = IB_MGMT_METHOD_GET;
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in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
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err = mthca_MAD_IFC(mdev, 1, 1,
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1, NULL, NULL, in_mad, out_mad,
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&status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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2005-04-16 22:26:14 +00:00
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props->device_cap_flags = mdev->device_cap_flags;
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props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) &
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2005-04-16 22:20:36 +00:00
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0xffffff;
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2005-04-16 22:26:14 +00:00
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props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30));
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props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32));
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2005-04-16 22:20:36 +00:00
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memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
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memcpy(&props->node_guid, out_mad->data + 12, 8);
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2005-04-16 22:26:14 +00:00
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props->max_mr_size = ~0ull;
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props->max_qp = mdev->limits.num_qps - mdev->limits.reserved_qps;
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props->max_qp_wr = 0xffff;
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props->max_sge = mdev->limits.max_sg;
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props->max_cq = mdev->limits.num_cqs - mdev->limits.reserved_cqs;
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props->max_cqe = 0xffff;
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props->max_mr = mdev->limits.num_mpts - mdev->limits.reserved_mrws;
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props->max_pd = mdev->limits.num_pds - mdev->limits.reserved_pds;
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props->max_qp_rd_atom = 1 << mdev->qp_table.rdb_shift;
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props->max_qp_init_rd_atom = 1 << mdev->qp_table.rdb_shift;
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props->local_ca_ack_delay = mdev->limits.local_ca_ack_delay;
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2005-04-16 22:20:36 +00:00
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err = 0;
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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static int mthca_query_port(struct ib_device *ibdev,
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u8 port, struct ib_port_attr *props)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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u8 status;
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in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
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out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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memset(in_mad, 0, sizeof *in_mad);
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in_mad->base_version = 1;
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in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
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in_mad->class_version = 1;
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in_mad->method = IB_MGMT_METHOD_GET;
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in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
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in_mad->attr_mod = cpu_to_be32(port);
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err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
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port, NULL, NULL, in_mad, out_mad,
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&status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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props->lid = be16_to_cpup((u16 *) (out_mad->data + 16));
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props->lmc = out_mad->data[34] & 0x7;
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props->sm_lid = be16_to_cpup((u16 *) (out_mad->data + 18));
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props->sm_sl = out_mad->data[36] & 0xf;
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props->state = out_mad->data[32] & 0xf;
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props->phys_state = out_mad->data[33] >> 4;
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props->port_cap_flags = be32_to_cpup((u32 *) (out_mad->data + 20));
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props->gid_tbl_len = to_mdev(ibdev)->limits.gid_table_len;
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props->pkey_tbl_len = to_mdev(ibdev)->limits.pkey_table_len;
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props->qkey_viol_cntr = be16_to_cpup((u16 *) (out_mad->data + 48));
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props->active_width = out_mad->data[31] & 0xf;
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props->active_speed = out_mad->data[35] >> 4;
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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static int mthca_modify_port(struct ib_device *ibdev,
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u8 port, int port_modify_mask,
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struct ib_port_modify *props)
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{
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struct mthca_set_ib_param set_ib;
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struct ib_port_attr attr;
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int err;
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u8 status;
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if (down_interruptible(&to_mdev(ibdev)->cap_mask_mutex))
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return -ERESTARTSYS;
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err = mthca_query_port(ibdev, port, &attr);
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if (err)
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goto out;
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set_ib.set_si_guid = 0;
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set_ib.reset_qkey_viol = !!(port_modify_mask & IB_PORT_RESET_QKEY_CNTR);
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set_ib.cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
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~props->clr_port_cap_mask;
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err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port, &status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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out:
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up(&to_mdev(ibdev)->cap_mask_mutex);
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return err;
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}
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static int mthca_query_pkey(struct ib_device *ibdev,
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u8 port, u16 index, u16 *pkey)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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u8 status;
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in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
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out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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memset(in_mad, 0, sizeof *in_mad);
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in_mad->base_version = 1;
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in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
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in_mad->class_version = 1;
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in_mad->method = IB_MGMT_METHOD_GET;
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in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
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in_mad->attr_mod = cpu_to_be32(index / 32);
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err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
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port, NULL, NULL, in_mad, out_mad,
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&status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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*pkey = be16_to_cpu(((u16 *) out_mad->data)[index % 32]);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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static int mthca_query_gid(struct ib_device *ibdev, u8 port,
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int index, union ib_gid *gid)
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{
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struct ib_smp *in_mad = NULL;
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struct ib_smp *out_mad = NULL;
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int err = -ENOMEM;
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u8 status;
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in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
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out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
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if (!in_mad || !out_mad)
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goto out;
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memset(in_mad, 0, sizeof *in_mad);
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in_mad->base_version = 1;
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in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
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in_mad->class_version = 1;
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in_mad->method = IB_MGMT_METHOD_GET;
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in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
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in_mad->attr_mod = cpu_to_be32(port);
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err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
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port, NULL, NULL, in_mad, out_mad,
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&status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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memcpy(gid->raw, out_mad->data + 8, 8);
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memset(in_mad, 0, sizeof *in_mad);
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in_mad->base_version = 1;
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in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
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in_mad->class_version = 1;
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in_mad->method = IB_MGMT_METHOD_GET;
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in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
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in_mad->attr_mod = cpu_to_be32(index / 8);
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err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
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port, NULL, NULL, in_mad, out_mad,
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&status);
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if (err)
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goto out;
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if (status) {
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err = -EINVAL;
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goto out;
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}
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memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
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out:
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kfree(in_mad);
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kfree(out_mad);
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return err;
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}
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|
2005-07-08 00:57:16 +00:00
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static struct ib_ucontext *mthca_alloc_ucontext(struct ib_device *ibdev,
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struct ib_udata *udata)
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{
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struct mthca_alloc_ucontext_resp uresp;
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struct mthca_ucontext *context;
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int err;
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memset(&uresp, 0, sizeof uresp);
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uresp.qp_tab_size = to_mdev(ibdev)->limits.num_qps;
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if (mthca_is_memfree(to_mdev(ibdev)))
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uresp.uarc_size = to_mdev(ibdev)->uar_table.uarc_size;
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else
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uresp.uarc_size = 0;
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context = kmalloc(sizeof *context, GFP_KERNEL);
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if (!context)
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return ERR_PTR(-ENOMEM);
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err = mthca_uar_alloc(to_mdev(ibdev), &context->uar);
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if (err) {
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kfree(context);
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return ERR_PTR(err);
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}
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context->db_tab = mthca_init_user_db_tab(to_mdev(ibdev));
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if (IS_ERR(context->db_tab)) {
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err = PTR_ERR(context->db_tab);
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mthca_uar_free(to_mdev(ibdev), &context->uar);
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kfree(context);
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return ERR_PTR(err);
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}
|
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|
|
if (ib_copy_to_udata(udata, &uresp, sizeof uresp)) {
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|
mthca_cleanup_user_db_tab(to_mdev(ibdev), &context->uar, context->db_tab);
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mthca_uar_free(to_mdev(ibdev), &context->uar);
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|
kfree(context);
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|
return ERR_PTR(-EFAULT);
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}
|
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return &context->ibucontext;
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}
|
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|
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|
|
static int mthca_dealloc_ucontext(struct ib_ucontext *context)
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|
|
|
{
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|
|
|
mthca_cleanup_user_db_tab(to_mdev(context->device), &to_mucontext(context)->uar,
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|
|
to_mucontext(context)->db_tab);
|
|
|
|
mthca_uar_free(to_mdev(context->device), &to_mucontext(context)->uar);
|
|
|
|
kfree(to_mucontext(context));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:17 +00:00
|
|
|
static int mthca_mmap_uar(struct ib_ucontext *context,
|
|
|
|
struct vm_area_struct *vma)
|
|
|
|
{
|
|
|
|
if (vma->vm_end - vma->vm_start != PAGE_SIZE)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
|
|
|
|
|
2005-07-27 21:42:45 +00:00
|
|
|
if (io_remap_pfn_range(vma, vma->vm_start,
|
|
|
|
to_mucontext(context)->uar.pfn,
|
|
|
|
PAGE_SIZE, vma->vm_page_prot))
|
2005-07-08 00:57:17 +00:00
|
|
|
return -EAGAIN;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:11 +00:00
|
|
|
static struct ib_pd *mthca_alloc_pd(struct ib_device *ibdev,
|
|
|
|
struct ib_ucontext *context,
|
|
|
|
struct ib_udata *udata)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct mthca_pd *pd;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
pd = kmalloc(sizeof *pd, GFP_KERNEL);
|
|
|
|
if (!pd)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
2005-07-08 00:57:18 +00:00
|
|
|
err = mthca_pd_alloc(to_mdev(ibdev), !context, pd);
|
2005-04-16 22:20:36 +00:00
|
|
|
if (err) {
|
|
|
|
kfree(pd);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:18 +00:00
|
|
|
if (context) {
|
|
|
|
if (ib_copy_to_udata(udata, &pd->pd_num, sizeof (__u32))) {
|
|
|
|
mthca_pd_free(to_mdev(ibdev), pd);
|
|
|
|
kfree(pd);
|
|
|
|
return ERR_PTR(-EFAULT);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
return &pd->ibpd;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_dealloc_pd(struct ib_pd *pd)
|
|
|
|
{
|
|
|
|
mthca_pd_free(to_mdev(pd->device), to_mpd(pd));
|
|
|
|
kfree(pd);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ib_ah *mthca_ah_create(struct ib_pd *pd,
|
|
|
|
struct ib_ah_attr *ah_attr)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
struct mthca_ah *ah;
|
|
|
|
|
2005-04-16 22:26:26 +00:00
|
|
|
ah = kmalloc(sizeof *ah, GFP_ATOMIC);
|
2005-04-16 22:20:36 +00:00
|
|
|
if (!ah)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
err = mthca_create_ah(to_mdev(pd->device), to_mpd(pd), ah_attr, ah);
|
|
|
|
if (err) {
|
|
|
|
kfree(ah);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
return &ah->ibah;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_ah_destroy(struct ib_ah *ah)
|
|
|
|
{
|
|
|
|
mthca_destroy_ah(to_mdev(ah->device), to_mah(ah));
|
|
|
|
kfree(ah);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
|
2005-07-08 00:57:11 +00:00
|
|
|
struct ib_qp_init_attr *init_attr,
|
|
|
|
struct ib_udata *udata)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2005-07-08 00:57:20 +00:00
|
|
|
struct mthca_create_qp ucmd;
|
2005-04-16 22:20:36 +00:00
|
|
|
struct mthca_qp *qp;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
switch (init_attr->qp_type) {
|
|
|
|
case IB_QPT_RC:
|
|
|
|
case IB_QPT_UC:
|
|
|
|
case IB_QPT_UD:
|
|
|
|
{
|
2005-07-08 00:57:20 +00:00
|
|
|
struct mthca_ucontext *context;
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
qp = kmalloc(sizeof *qp, GFP_KERNEL);
|
|
|
|
if (!qp)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
2005-07-08 00:57:20 +00:00
|
|
|
if (pd->uobject) {
|
|
|
|
context = to_mucontext(pd->uobject->context);
|
|
|
|
|
|
|
|
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
|
|
|
|
return ERR_PTR(-EFAULT);
|
|
|
|
|
|
|
|
err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
|
|
|
|
context->db_tab,
|
|
|
|
ucmd.sq_db_index, ucmd.sq_db_page);
|
|
|
|
if (err) {
|
|
|
|
kfree(qp);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
|
|
|
|
context->db_tab,
|
|
|
|
ucmd.rq_db_index, ucmd.rq_db_page);
|
|
|
|
if (err) {
|
|
|
|
mthca_unmap_user_db(to_mdev(pd->device),
|
|
|
|
&context->uar,
|
|
|
|
context->db_tab,
|
|
|
|
ucmd.sq_db_index);
|
|
|
|
kfree(qp);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
qp->mr.ibmr.lkey = ucmd.lkey;
|
|
|
|
qp->sq.db_index = ucmd.sq_db_index;
|
|
|
|
qp->rq.db_index = ucmd.rq_db_index;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
err = mthca_alloc_qp(to_mdev(pd->device), to_mpd(pd),
|
|
|
|
to_mcq(init_attr->send_cq),
|
|
|
|
to_mcq(init_attr->recv_cq),
|
|
|
|
init_attr->qp_type, init_attr->sq_sig_type,
|
2005-07-08 00:57:20 +00:00
|
|
|
&init_attr->cap, qp);
|
|
|
|
|
|
|
|
if (err && pd->uobject) {
|
|
|
|
context = to_mucontext(pd->uobject->context);
|
|
|
|
|
|
|
|
mthca_unmap_user_db(to_mdev(pd->device),
|
|
|
|
&context->uar,
|
|
|
|
context->db_tab,
|
|
|
|
ucmd.sq_db_index);
|
|
|
|
mthca_unmap_user_db(to_mdev(pd->device),
|
|
|
|
&context->uar,
|
|
|
|
context->db_tab,
|
|
|
|
ucmd.rq_db_index);
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
qp->ibqp.qp_num = qp->qpn;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case IB_QPT_SMI:
|
|
|
|
case IB_QPT_GSI:
|
|
|
|
{
|
2005-07-08 00:57:20 +00:00
|
|
|
/* Don't allow userspace to create special QPs */
|
|
|
|
if (pd->uobject)
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
qp = kmalloc(sizeof (struct mthca_sqp), GFP_KERNEL);
|
|
|
|
if (!qp)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
qp->ibqp.qp_num = init_attr->qp_type == IB_QPT_SMI ? 0 : 1;
|
|
|
|
|
|
|
|
err = mthca_alloc_sqp(to_mdev(pd->device), to_mpd(pd),
|
|
|
|
to_mcq(init_attr->send_cq),
|
|
|
|
to_mcq(init_attr->recv_cq),
|
2005-07-08 00:57:20 +00:00
|
|
|
init_attr->sq_sig_type, &init_attr->cap,
|
2005-04-16 22:20:36 +00:00
|
|
|
qp->ibqp.qp_num, init_attr->port_num,
|
|
|
|
to_msqp(qp));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
/* Don't support raw QPs */
|
|
|
|
return ERR_PTR(-ENOSYS);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (err) {
|
|
|
|
kfree(qp);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:20 +00:00
|
|
|
init_attr->cap.max_inline_data = 0;
|
|
|
|
init_attr->cap.max_send_wr = qp->sq.max;
|
|
|
|
init_attr->cap.max_recv_wr = qp->rq.max;
|
|
|
|
init_attr->cap.max_send_sge = qp->sq.max_gs;
|
|
|
|
init_attr->cap.max_recv_sge = qp->rq.max_gs;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
return &qp->ibqp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_destroy_qp(struct ib_qp *qp)
|
|
|
|
{
|
2005-07-08 00:57:20 +00:00
|
|
|
if (qp->uobject) {
|
|
|
|
mthca_unmap_user_db(to_mdev(qp->device),
|
|
|
|
&to_mucontext(qp->uobject->context)->uar,
|
|
|
|
to_mucontext(qp->uobject->context)->db_tab,
|
|
|
|
to_mqp(qp)->sq.db_index);
|
|
|
|
mthca_unmap_user_db(to_mdev(qp->device),
|
|
|
|
&to_mucontext(qp->uobject->context)->uar,
|
|
|
|
to_mucontext(qp->uobject->context)->db_tab,
|
|
|
|
to_mqp(qp)->rq.db_index);
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
mthca_free_qp(to_mdev(qp->device), to_mqp(qp));
|
|
|
|
kfree(qp);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:11 +00:00
|
|
|
static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries,
|
|
|
|
struct ib_ucontext *context,
|
|
|
|
struct ib_udata *udata)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2005-07-08 00:57:19 +00:00
|
|
|
struct mthca_create_cq ucmd;
|
2005-04-16 22:20:36 +00:00
|
|
|
struct mthca_cq *cq;
|
|
|
|
int nent;
|
|
|
|
int err;
|
|
|
|
|
2005-07-08 00:57:19 +00:00
|
|
|
if (context) {
|
|
|
|
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
|
|
|
|
return ERR_PTR(-EFAULT);
|
|
|
|
|
|
|
|
err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
|
|
|
|
to_mucontext(context)->db_tab,
|
|
|
|
ucmd.set_db_index, ucmd.set_db_page);
|
|
|
|
if (err)
|
|
|
|
return ERR_PTR(err);
|
|
|
|
|
|
|
|
err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
|
|
|
|
to_mucontext(context)->db_tab,
|
|
|
|
ucmd.arm_db_index, ucmd.arm_db_page);
|
|
|
|
if (err)
|
|
|
|
goto err_unmap_set;
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
cq = kmalloc(sizeof *cq, GFP_KERNEL);
|
2005-07-08 00:57:19 +00:00
|
|
|
if (!cq) {
|
|
|
|
err = -ENOMEM;
|
|
|
|
goto err_unmap_arm;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (context) {
|
|
|
|
cq->mr.ibmr.lkey = ucmd.lkey;
|
|
|
|
cq->set_ci_db_index = ucmd.set_db_index;
|
|
|
|
cq->arm_db_index = ucmd.arm_db_index;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
for (nent = 1; nent <= entries; nent <<= 1)
|
|
|
|
; /* nothing */
|
|
|
|
|
2005-07-08 00:57:19 +00:00
|
|
|
err = mthca_init_cq(to_mdev(ibdev), nent,
|
|
|
|
context ? to_mucontext(context) : NULL,
|
|
|
|
context ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
|
|
|
|
cq);
|
|
|
|
if (err)
|
|
|
|
goto err_free;
|
|
|
|
|
|
|
|
if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {
|
|
|
|
mthca_free_cq(to_mdev(ibdev), cq);
|
|
|
|
goto err_free;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return &cq->ibcq;
|
2005-07-08 00:57:19 +00:00
|
|
|
|
|
|
|
err_free:
|
|
|
|
kfree(cq);
|
|
|
|
|
|
|
|
err_unmap_arm:
|
|
|
|
if (context)
|
|
|
|
mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
|
|
|
|
to_mucontext(context)->db_tab, ucmd.arm_db_index);
|
|
|
|
|
|
|
|
err_unmap_set:
|
|
|
|
if (context)
|
|
|
|
mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
|
|
|
|
to_mucontext(context)->db_tab, ucmd.set_db_index);
|
|
|
|
|
|
|
|
return ERR_PTR(err);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_destroy_cq(struct ib_cq *cq)
|
|
|
|
{
|
2005-07-08 00:57:19 +00:00
|
|
|
if (cq->uobject) {
|
|
|
|
mthca_unmap_user_db(to_mdev(cq->device),
|
|
|
|
&to_mucontext(cq->uobject->context)->uar,
|
|
|
|
to_mucontext(cq->uobject->context)->db_tab,
|
|
|
|
to_mcq(cq)->arm_db_index);
|
|
|
|
mthca_unmap_user_db(to_mdev(cq->device),
|
|
|
|
&to_mucontext(cq->uobject->context)->uar,
|
|
|
|
to_mucontext(cq->uobject->context)->db_tab,
|
|
|
|
to_mcq(cq)->set_ci_db_index);
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
mthca_free_cq(to_mdev(cq->device), to_mcq(cq));
|
|
|
|
kfree(cq);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline u32 convert_access(int acc)
|
|
|
|
{
|
|
|
|
return (acc & IB_ACCESS_REMOTE_ATOMIC ? MTHCA_MPT_FLAG_ATOMIC : 0) |
|
|
|
|
(acc & IB_ACCESS_REMOTE_WRITE ? MTHCA_MPT_FLAG_REMOTE_WRITE : 0) |
|
|
|
|
(acc & IB_ACCESS_REMOTE_READ ? MTHCA_MPT_FLAG_REMOTE_READ : 0) |
|
|
|
|
(acc & IB_ACCESS_LOCAL_WRITE ? MTHCA_MPT_FLAG_LOCAL_WRITE : 0) |
|
|
|
|
MTHCA_MPT_FLAG_LOCAL_READ;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ib_mr *mthca_get_dma_mr(struct ib_pd *pd, int acc)
|
|
|
|
{
|
|
|
|
struct mthca_mr *mr;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
mr = kmalloc(sizeof *mr, GFP_KERNEL);
|
|
|
|
if (!mr)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
err = mthca_mr_alloc_notrans(to_mdev(pd->device),
|
|
|
|
to_mpd(pd)->pd_num,
|
|
|
|
convert_access(acc), mr);
|
|
|
|
|
|
|
|
if (err) {
|
|
|
|
kfree(mr);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
return &mr->ibmr;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ib_mr *mthca_reg_phys_mr(struct ib_pd *pd,
|
|
|
|
struct ib_phys_buf *buffer_list,
|
|
|
|
int num_phys_buf,
|
|
|
|
int acc,
|
|
|
|
u64 *iova_start)
|
|
|
|
{
|
|
|
|
struct mthca_mr *mr;
|
|
|
|
u64 *page_list;
|
|
|
|
u64 total_size;
|
|
|
|
u64 mask;
|
|
|
|
int shift;
|
|
|
|
int npages;
|
|
|
|
int err;
|
|
|
|
int i, j, n;
|
|
|
|
|
|
|
|
/* First check that we have enough alignment */
|
|
|
|
if ((*iova_start & ~PAGE_MASK) != (buffer_list[0].addr & ~PAGE_MASK))
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
|
|
|
|
if (num_phys_buf > 1 &&
|
|
|
|
((buffer_list[0].addr + buffer_list[0].size) & ~PAGE_MASK))
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
|
|
|
|
mask = 0;
|
|
|
|
total_size = 0;
|
|
|
|
for (i = 0; i < num_phys_buf; ++i) {
|
2005-04-16 22:26:16 +00:00
|
|
|
if (i != 0 && buffer_list[i].addr & ~PAGE_MASK)
|
2005-04-16 22:20:36 +00:00
|
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
if (i != 0 && i != num_phys_buf - 1 &&
|
|
|
|
(buffer_list[i].size & ~PAGE_MASK))
|
|
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
|
|
|
|
total_size += buffer_list[i].size;
|
|
|
|
if (i > 0)
|
|
|
|
mask |= buffer_list[i].addr;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Find largest page shift we can use to cover buffers */
|
|
|
|
for (shift = PAGE_SHIFT; shift < 31; ++shift)
|
|
|
|
if (num_phys_buf > 1) {
|
|
|
|
if ((1ULL << shift) & mask)
|
|
|
|
break;
|
|
|
|
} else {
|
|
|
|
if (1ULL << shift >=
|
|
|
|
buffer_list[0].size +
|
|
|
|
(buffer_list[0].addr & ((1ULL << shift) - 1)))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
buffer_list[0].size += buffer_list[0].addr & ((1ULL << shift) - 1);
|
|
|
|
buffer_list[0].addr &= ~0ull << shift;
|
|
|
|
|
|
|
|
mr = kmalloc(sizeof *mr, GFP_KERNEL);
|
|
|
|
if (!mr)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
npages = 0;
|
|
|
|
for (i = 0; i < num_phys_buf; ++i)
|
|
|
|
npages += (buffer_list[i].size + (1ULL << shift) - 1) >> shift;
|
|
|
|
|
|
|
|
if (!npages)
|
|
|
|
return &mr->ibmr;
|
|
|
|
|
|
|
|
page_list = kmalloc(npages * sizeof *page_list, GFP_KERNEL);
|
|
|
|
if (!page_list) {
|
|
|
|
kfree(mr);
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
}
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
for (i = 0; i < num_phys_buf; ++i)
|
|
|
|
for (j = 0;
|
|
|
|
j < (buffer_list[i].size + (1ULL << shift) - 1) >> shift;
|
|
|
|
++j)
|
|
|
|
page_list[n++] = buffer_list[i].addr + ((u64) j << shift);
|
|
|
|
|
|
|
|
mthca_dbg(to_mdev(pd->device), "Registering memory at %llx (iova %llx) "
|
|
|
|
"in PD %x; shift %d, npages %d.\n",
|
|
|
|
(unsigned long long) buffer_list[0].addr,
|
|
|
|
(unsigned long long) *iova_start,
|
|
|
|
to_mpd(pd)->pd_num,
|
|
|
|
shift, npages);
|
|
|
|
|
|
|
|
err = mthca_mr_alloc_phys(to_mdev(pd->device),
|
|
|
|
to_mpd(pd)->pd_num,
|
|
|
|
page_list, shift, npages,
|
|
|
|
*iova_start, total_size,
|
|
|
|
convert_access(acc), mr);
|
|
|
|
|
|
|
|
if (err) {
|
2005-06-27 21:36:44 +00:00
|
|
|
kfree(page_list);
|
2005-04-16 22:20:36 +00:00
|
|
|
kfree(mr);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
kfree(page_list);
|
|
|
|
return &mr->ibmr;
|
|
|
|
}
|
|
|
|
|
2005-07-08 00:57:19 +00:00
|
|
|
static struct ib_mr *mthca_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
|
|
|
|
int acc, struct ib_udata *udata)
|
|
|
|
{
|
|
|
|
struct mthca_dev *dev = to_mdev(pd->device);
|
|
|
|
struct ib_umem_chunk *chunk;
|
|
|
|
struct mthca_mr *mr;
|
|
|
|
u64 *pages;
|
|
|
|
int shift, n, len;
|
|
|
|
int i, j, k;
|
|
|
|
int err = 0;
|
|
|
|
|
|
|
|
shift = ffs(region->page_size) - 1;
|
|
|
|
|
|
|
|
mr = kmalloc(sizeof *mr, GFP_KERNEL);
|
|
|
|
if (!mr)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
n = 0;
|
|
|
|
list_for_each_entry(chunk, ®ion->chunk_list, list)
|
|
|
|
n += chunk->nents;
|
|
|
|
|
|
|
|
mr->mtt = mthca_alloc_mtt(dev, n);
|
|
|
|
if (IS_ERR(mr->mtt)) {
|
|
|
|
err = PTR_ERR(mr->mtt);
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
pages = (u64 *) __get_free_page(GFP_KERNEL);
|
|
|
|
if (!pages) {
|
|
|
|
err = -ENOMEM;
|
|
|
|
goto err_mtt;
|
|
|
|
}
|
|
|
|
|
|
|
|
i = n = 0;
|
|
|
|
|
|
|
|
list_for_each_entry(chunk, ®ion->chunk_list, list)
|
|
|
|
for (j = 0; j < chunk->nmap; ++j) {
|
|
|
|
len = sg_dma_len(&chunk->page_list[j]) >> shift;
|
|
|
|
for (k = 0; k < len; ++k) {
|
|
|
|
pages[i++] = sg_dma_address(&chunk->page_list[j]) +
|
|
|
|
region->page_size * k;
|
|
|
|
/*
|
|
|
|
* Be friendly to WRITE_MTT command
|
|
|
|
* and leave two empty slots for the
|
|
|
|
* index and reserved fields of the
|
|
|
|
* mailbox.
|
|
|
|
*/
|
|
|
|
if (i == PAGE_SIZE / sizeof (u64) - 2) {
|
|
|
|
err = mthca_write_mtt(dev, mr->mtt,
|
|
|
|
n, pages, i);
|
|
|
|
if (err)
|
|
|
|
goto mtt_done;
|
|
|
|
n += i;
|
|
|
|
i = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i)
|
|
|
|
err = mthca_write_mtt(dev, mr->mtt, n, pages, i);
|
|
|
|
mtt_done:
|
|
|
|
free_page((unsigned long) pages);
|
|
|
|
if (err)
|
|
|
|
goto err_mtt;
|
|
|
|
|
|
|
|
err = mthca_mr_alloc(dev, to_mpd(pd)->pd_num, shift, region->virt_base,
|
|
|
|
region->length, convert_access(acc), mr);
|
|
|
|
|
|
|
|
if (err)
|
|
|
|
goto err_mtt;
|
|
|
|
|
|
|
|
return &mr->ibmr;
|
|
|
|
|
|
|
|
err_mtt:
|
|
|
|
mthca_free_mtt(dev, mr->mtt);
|
|
|
|
|
|
|
|
err:
|
|
|
|
kfree(mr);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
static int mthca_dereg_mr(struct ib_mr *mr)
|
|
|
|
{
|
2005-04-16 22:26:17 +00:00
|
|
|
struct mthca_mr *mmr = to_mmr(mr);
|
|
|
|
mthca_free_mr(to_mdev(mr->device), mmr);
|
|
|
|
kfree(mmr);
|
2005-04-16 22:20:36 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:26:30 +00:00
|
|
|
static struct ib_fmr *mthca_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
|
|
|
|
struct ib_fmr_attr *fmr_attr)
|
|
|
|
{
|
|
|
|
struct mthca_fmr *fmr;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
fmr = kmalloc(sizeof *fmr, GFP_KERNEL);
|
|
|
|
if (!fmr)
|
|
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
|
|
|
|
memcpy(&fmr->attr, fmr_attr, sizeof *fmr_attr);
|
|
|
|
err = mthca_fmr_alloc(to_mdev(pd->device), to_mpd(pd)->pd_num,
|
|
|
|
convert_access(mr_access_flags), fmr);
|
|
|
|
|
|
|
|
if (err) {
|
|
|
|
kfree(fmr);
|
|
|
|
return ERR_PTR(err);
|
|
|
|
}
|
|
|
|
|
|
|
|
return &fmr->ibmr;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_dealloc_fmr(struct ib_fmr *fmr)
|
|
|
|
{
|
|
|
|
struct mthca_fmr *mfmr = to_mfmr(fmr);
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = mthca_free_fmr(to_mdev(fmr->device), mfmr);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
kfree(mfmr);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mthca_unmap_fmr(struct list_head *fmr_list)
|
|
|
|
{
|
|
|
|
struct ib_fmr *fmr;
|
|
|
|
int err;
|
|
|
|
u8 status;
|
|
|
|
struct mthca_dev *mdev = NULL;
|
|
|
|
|
|
|
|
list_for_each_entry(fmr, fmr_list, list) {
|
|
|
|
if (mdev && to_mdev(fmr->device) != mdev)
|
|
|
|
return -EINVAL;
|
|
|
|
mdev = to_mdev(fmr->device);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!mdev)
|
|
|
|
return 0;
|
|
|
|
|
2005-04-16 22:26:32 +00:00
|
|
|
if (mthca_is_memfree(mdev)) {
|
2005-04-16 22:26:30 +00:00
|
|
|
list_for_each_entry(fmr, fmr_list, list)
|
|
|
|
mthca_arbel_fmr_unmap(mdev, to_mfmr(fmr));
|
|
|
|
|
|
|
|
wmb();
|
|
|
|
} else
|
|
|
|
list_for_each_entry(fmr, fmr_list, list)
|
|
|
|
mthca_tavor_fmr_unmap(mdev, to_mfmr(fmr));
|
|
|
|
|
|
|
|
err = mthca_SYNC_TPT(mdev, &status);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
if (status)
|
|
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
static ssize_t show_rev(struct class_device *cdev, char *buf)
|
|
|
|
{
|
|
|
|
struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
|
|
|
|
return sprintf(buf, "%x\n", dev->rev_id);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
|
|
|
|
{
|
|
|
|
struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
|
|
|
|
return sprintf(buf, "%x.%x.%x\n", (int) (dev->fw_ver >> 32),
|
|
|
|
(int) (dev->fw_ver >> 16) & 0xffff,
|
|
|
|
(int) dev->fw_ver & 0xffff);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t show_hca(struct class_device *cdev, char *buf)
|
|
|
|
{
|
|
|
|
struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
|
2005-04-16 22:26:34 +00:00
|
|
|
switch (dev->pdev->device) {
|
|
|
|
case PCI_DEVICE_ID_MELLANOX_TAVOR:
|
|
|
|
return sprintf(buf, "MT23108\n");
|
|
|
|
case PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT:
|
|
|
|
return sprintf(buf, "MT25208 (MT23108 compat mode)\n");
|
|
|
|
case PCI_DEVICE_ID_MELLANOX_ARBEL:
|
|
|
|
return sprintf(buf, "MT25208\n");
|
|
|
|
case PCI_DEVICE_ID_MELLANOX_SINAI:
|
|
|
|
case PCI_DEVICE_ID_MELLANOX_SINAI_OLD:
|
|
|
|
return sprintf(buf, "MT25204\n");
|
|
|
|
default:
|
|
|
|
return sprintf(buf, "unknown\n");
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
|
|
|
|
static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
|
|
|
|
static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
|
|
|
|
|
|
|
|
static struct class_device_attribute *mthca_class_attributes[] = {
|
|
|
|
&class_device_attr_hw_rev,
|
|
|
|
&class_device_attr_fw_ver,
|
|
|
|
&class_device_attr_hca_type
|
|
|
|
};
|
|
|
|
|
|
|
|
int mthca_register_device(struct mthca_dev *dev)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
strlcpy(dev->ib_dev.name, "mthca%d", IB_DEVICE_NAME_MAX);
|
2005-07-08 00:57:11 +00:00
|
|
|
dev->ib_dev.owner = THIS_MODULE;
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->ib_dev.node_type = IB_NODE_CA;
|
|
|
|
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
|
|
|
|
dev->ib_dev.dma_device = &dev->pdev->dev;
|
|
|
|
dev->ib_dev.class_dev.dev = &dev->pdev->dev;
|
|
|
|
dev->ib_dev.query_device = mthca_query_device;
|
|
|
|
dev->ib_dev.query_port = mthca_query_port;
|
|
|
|
dev->ib_dev.modify_port = mthca_modify_port;
|
|
|
|
dev->ib_dev.query_pkey = mthca_query_pkey;
|
|
|
|
dev->ib_dev.query_gid = mthca_query_gid;
|
2005-07-08 00:57:16 +00:00
|
|
|
dev->ib_dev.alloc_ucontext = mthca_alloc_ucontext;
|
|
|
|
dev->ib_dev.dealloc_ucontext = mthca_dealloc_ucontext;
|
2005-07-08 00:57:17 +00:00
|
|
|
dev->ib_dev.mmap = mthca_mmap_uar;
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->ib_dev.alloc_pd = mthca_alloc_pd;
|
|
|
|
dev->ib_dev.dealloc_pd = mthca_dealloc_pd;
|
|
|
|
dev->ib_dev.create_ah = mthca_ah_create;
|
|
|
|
dev->ib_dev.destroy_ah = mthca_ah_destroy;
|
|
|
|
dev->ib_dev.create_qp = mthca_create_qp;
|
|
|
|
dev->ib_dev.modify_qp = mthca_modify_qp;
|
|
|
|
dev->ib_dev.destroy_qp = mthca_destroy_qp;
|
|
|
|
dev->ib_dev.create_cq = mthca_create_cq;
|
|
|
|
dev->ib_dev.destroy_cq = mthca_destroy_cq;
|
|
|
|
dev->ib_dev.poll_cq = mthca_poll_cq;
|
|
|
|
dev->ib_dev.get_dma_mr = mthca_get_dma_mr;
|
|
|
|
dev->ib_dev.reg_phys_mr = mthca_reg_phys_mr;
|
2005-07-08 00:57:19 +00:00
|
|
|
dev->ib_dev.reg_user_mr = mthca_reg_user_mr;
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->ib_dev.dereg_mr = mthca_dereg_mr;
|
2005-04-16 22:26:30 +00:00
|
|
|
|
|
|
|
if (dev->mthca_flags & MTHCA_FLAG_FMR) {
|
|
|
|
dev->ib_dev.alloc_fmr = mthca_alloc_fmr;
|
|
|
|
dev->ib_dev.unmap_fmr = mthca_unmap_fmr;
|
|
|
|
dev->ib_dev.dealloc_fmr = mthca_dealloc_fmr;
|
2005-04-16 22:26:32 +00:00
|
|
|
if (mthca_is_memfree(dev))
|
2005-04-16 22:26:30 +00:00
|
|
|
dev->ib_dev.map_phys_fmr = mthca_arbel_map_phys_fmr;
|
|
|
|
else
|
|
|
|
dev->ib_dev.map_phys_fmr = mthca_tavor_map_phys_fmr;
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->ib_dev.attach_mcast = mthca_multicast_attach;
|
|
|
|
dev->ib_dev.detach_mcast = mthca_multicast_detach;
|
|
|
|
dev->ib_dev.process_mad = mthca_process_mad;
|
|
|
|
|
2005-04-16 22:26:32 +00:00
|
|
|
if (mthca_is_memfree(dev)) {
|
2005-04-16 22:20:36 +00:00
|
|
|
dev->ib_dev.req_notify_cq = mthca_arbel_arm_cq;
|
|
|
|
dev->ib_dev.post_send = mthca_arbel_post_send;
|
|
|
|
dev->ib_dev.post_recv = mthca_arbel_post_receive;
|
|
|
|
} else {
|
|
|
|
dev->ib_dev.req_notify_cq = mthca_tavor_arm_cq;
|
|
|
|
dev->ib_dev.post_send = mthca_tavor_post_send;
|
|
|
|
dev->ib_dev.post_recv = mthca_tavor_post_receive;
|
|
|
|
}
|
|
|
|
|
|
|
|
init_MUTEX(&dev->cap_mask_mutex);
|
|
|
|
|
|
|
|
ret = ib_register_device(&dev->ib_dev);
|
|
|
|
if (ret)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mthca_class_attributes); ++i) {
|
|
|
|
ret = class_device_create_file(&dev->ib_dev.class_dev,
|
|
|
|
mthca_class_attributes[i]);
|
|
|
|
if (ret) {
|
|
|
|
ib_unregister_device(&dev->ib_dev);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void mthca_unregister_device(struct mthca_dev *dev)
|
|
|
|
{
|
|
|
|
ib_unregister_device(&dev->ib_dev);
|
|
|
|
}
|