--- /dev/null
+/*
+ * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $Id: mthca_provider.c 1397 2004-12-28 05:09:00Z roland $
+ */
+
+#include <ib_smi.h>
+
+#include "mthca_dev.h"
+#include "mthca_cmd.h"
+
+static int mthca_query_device(struct ib_device *ibdev,
+ struct ib_device_attr *props)
+{
+ struct ib_smp *in_mad = NULL;
+ struct ib_smp *out_mad = NULL;
+ int err = -ENOMEM;
+ u8 status;
+
+ in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+ if (!in_mad || !out_mad)
+ goto out;
+
+ props->fw_ver = to_mdev(ibdev)->fw_ver;
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->base_version = 1;
+ in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+ in_mad->class_version = 1;
+ in_mad->method = IB_MGMT_METHOD_GET;
+ in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
+
+ err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
+ 1, NULL, NULL, in_mad, out_mad,
+ &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) &
+ 0xffffff;
+ props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30));
+ props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32));
+ memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
+ memcpy(&props->node_guid, out_mad->data + 12, 8);
+
+ err = 0;
+ out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
+}
+
+static int mthca_query_port(struct ib_device *ibdev,
+ u8 port, struct ib_port_attr *props)
+{
+ struct ib_smp *in_mad = NULL;
+ struct ib_smp *out_mad = NULL;
+ int err = -ENOMEM;
+ u8 status;
+
+ in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+ if (!in_mad || !out_mad)
+ goto out;
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->base_version = 1;
+ in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+ in_mad->class_version = 1;
+ in_mad->method = IB_MGMT_METHOD_GET;
+ in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
+ in_mad->attr_mod = cpu_to_be32(port);
+
+ err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
+ port, NULL, NULL, in_mad, out_mad,
+ &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ props->lid = be16_to_cpup((u16 *) (out_mad->data + 16));
+ props->lmc = out_mad->data[34] & 0x7;
+ props->sm_lid = be16_to_cpup((u16 *) (out_mad->data + 18));
+ props->sm_sl = out_mad->data[36] & 0xf;
+ props->state = out_mad->data[32] & 0xf;
+ props->phys_state = out_mad->data[33] >> 4;
+ props->port_cap_flags = be32_to_cpup((u32 *) (out_mad->data + 20));
+ props->gid_tbl_len = to_mdev(ibdev)->limits.gid_table_len;
+ props->pkey_tbl_len = to_mdev(ibdev)->limits.pkey_table_len;
+ props->qkey_viol_cntr = be16_to_cpup((u16 *) (out_mad->data + 48));
+ props->active_width = out_mad->data[31] & 0xf;
+ props->active_speed = out_mad->data[35] >> 4;
+
+ out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
+}
+
+static int mthca_modify_port(struct ib_device *ibdev,
+ u8 port, int port_modify_mask,
+ struct ib_port_modify *props)
+{
+ struct mthca_set_ib_param set_ib;
+ struct ib_port_attr attr;
+ int err;
+ u8 status;
+
+ if (down_interruptible(&to_mdev(ibdev)->cap_mask_mutex))
+ return -ERESTARTSYS;
+
+ err = mthca_query_port(ibdev, port, &attr);
+ if (err)
+ goto out;
+
+ set_ib.set_si_guid = 0;
+ set_ib.reset_qkey_viol = !!(port_modify_mask & IB_PORT_RESET_QKEY_CNTR);
+
+ set_ib.cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
+ ~props->clr_port_cap_mask;
+
+ err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port, &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+out:
+ up(&to_mdev(ibdev)->cap_mask_mutex);
+ return err;
+}
+
+static int mthca_query_pkey(struct ib_device *ibdev,
+ u8 port, u16 index, u16 *pkey)
+{
+ struct ib_smp *in_mad = NULL;
+ struct ib_smp *out_mad = NULL;
+ int err = -ENOMEM;
+ u8 status;
+
+ in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+ if (!in_mad || !out_mad)
+ goto out;
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->base_version = 1;
+ in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+ in_mad->class_version = 1;
+ in_mad->method = IB_MGMT_METHOD_GET;
+ in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
+ in_mad->attr_mod = cpu_to_be32(index / 32);
+
+ err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
+ port, NULL, NULL, in_mad, out_mad,
+ &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ *pkey = be16_to_cpu(((u16 *) out_mad->data)[index % 32]);
+
+ out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
+}
+
+static int mthca_query_gid(struct ib_device *ibdev, u8 port,
+ int index, union ib_gid *gid)
+{
+ struct ib_smp *in_mad = NULL;
+ struct ib_smp *out_mad = NULL;
+ int err = -ENOMEM;
+ u8 status;
+
+ in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+ if (!in_mad || !out_mad)
+ goto out;
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->base_version = 1;
+ in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+ in_mad->class_version = 1;
+ in_mad->method = IB_MGMT_METHOD_GET;
+ in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
+ in_mad->attr_mod = cpu_to_be32(port);
+
+ err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
+ port, NULL, NULL, in_mad, out_mad,
+ &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ memcpy(gid->raw, out_mad->data + 8, 8);
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->base_version = 1;
+ in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
+ in_mad->class_version = 1;
+ in_mad->method = IB_MGMT_METHOD_GET;
+ in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
+ in_mad->attr_mod = cpu_to_be32(index / 8);
+
+ err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1,
+ port, NULL, NULL, in_mad, out_mad,
+ &status);
+ if (err)
+ goto out;
+ if (status) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8);
+
+ out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
+}
+
+static struct ib_pd *mthca_alloc_pd(struct ib_device *ibdev)
+{
+ struct mthca_pd *pd;
+ int err;
+
+ pd = kmalloc(sizeof *pd, GFP_KERNEL);
+ if (!pd)
+ return ERR_PTR(-ENOMEM);
+
+ err = mthca_pd_alloc(to_mdev(ibdev), pd);
+ if (err) {
+ kfree(pd);
+ return ERR_PTR(err);
+ }
+
+ 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;
+
+ ah = kmalloc(sizeof *ah, GFP_KERNEL);
+ 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,
+ struct ib_qp_init_attr *init_attr)
+{
+ struct mthca_qp *qp;
+ int err;
+
+ switch (init_attr->qp_type) {
+ case IB_QPT_RC:
+ case IB_QPT_UC:
+ case IB_QPT_UD:
+ {
+ qp = kmalloc(sizeof *qp, GFP_KERNEL);
+ if (!qp)
+ return ERR_PTR(-ENOMEM);
+
+ qp->sq.max = init_attr->cap.max_send_wr;
+ qp->rq.max = init_attr->cap.max_recv_wr;
+ qp->sq.max_gs = init_attr->cap.max_send_sge;
+ qp->rq.max_gs = init_attr->cap.max_recv_sge;
+
+ 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,
+ init_attr->rq_sig_type, qp);
+ qp->ibqp.qp_num = qp->qpn;
+ break;
+ }
+ case IB_QPT_SMI:
+ case IB_QPT_GSI:
+ {
+ qp = kmalloc(sizeof (struct mthca_sqp), GFP_KERNEL);
+ if (!qp)
+ return ERR_PTR(-ENOMEM);
+
+ qp->sq.max = init_attr->cap.max_send_wr;
+ qp->rq.max = init_attr->cap.max_recv_wr;
+ qp->sq.max_gs = init_attr->cap.max_send_sge;
+ qp->rq.max_gs = init_attr->cap.max_recv_sge;
+
+ 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),
+ init_attr->sq_sig_type, init_attr->rq_sig_type,
+ 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);
+ }
+
+ init_attr->cap.max_inline_data = 0;
+
+ return &qp->ibqp;
+}
+
+static int mthca_destroy_qp(struct ib_qp *qp)
+{
+ mthca_free_qp(to_mdev(qp->device), to_mqp(qp));
+ kfree(qp);
+ return 0;
+}
+
+static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries)
+{
+ struct mthca_cq *cq;
+ int nent;
+ int err;
+
+ cq = kmalloc(sizeof *cq, GFP_KERNEL);
+ if (!cq)
+ return ERR_PTR(-ENOMEM);
+
+ for (nent = 1; nent <= entries; nent <<= 1)
+ ; /* nothing */
+
+ err = mthca_init_cq(to_mdev(ibdev), nent, cq);
+ if (err) {
+ kfree(cq);
+ cq = ERR_PTR(err);
+ } else
+ cq->ibcq.cqe = nent - 1;
+
+ return &cq->ibcq;
+}
+
+static int mthca_destroy_cq(struct ib_cq *cq)
+{
+ mthca_free_cq(to_mdev(cq->device), to_mcq(cq));
+ kfree(cq);
+
+ return 0;
+}
+
+static int mthca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify notify)
+{
+ mthca_arm_cq(to_mdev(cq->device), to_mcq(cq),
+ notify == IB_CQ_SOLICITED);
+ 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) {
+ if (buffer_list[i].addr & ~PAGE_MASK)
+ 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) {
+ kfree(mr);
+ return ERR_PTR(err);
+ }
+
+ kfree(page_list);
+ return &mr->ibmr;
+}
+
+static int mthca_dereg_mr(struct ib_mr *mr)
+{
+ mthca_free_mr(to_mdev(mr->device), to_mmr(mr));
+ kfree(mr);
+ return 0;
+}
+
+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);
+ switch (dev->hca_type) {
+ case TAVOR: return sprintf(buf, "MT23108\n");
+ case ARBEL_COMPAT: return sprintf(buf, "MT25208 (MT23108 compat mode)\n");
+ case ARBEL_NATIVE: return sprintf(buf, "MT25208\n");
+ default: return sprintf(buf, "unknown\n");
+ }
+}
+
+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);
+ 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;
+ 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.post_send = mthca_post_send;
+ dev->ib_dev.post_recv = mthca_post_receive;
+ 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.req_notify_cq = mthca_req_notify_cq;
+ dev->ib_dev.get_dma_mr = mthca_get_dma_mr;
+ dev->ib_dev.reg_phys_mr = mthca_reg_phys_mr;
+ dev->ib_dev.dereg_mr = mthca_dereg_mr;
+ dev->ib_dev.attach_mcast = mthca_multicast_attach;
+ dev->ib_dev.detach_mcast = mthca_multicast_detach;
+ dev->ib_dev.process_mad = mthca_process_mad;
+
+ 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);
+}
git://git.onelab.eu / linux-2.6.git / blobdiff