/*
* Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2007, 2008 Mellanox Technologies. 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
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/errno.h>
#include <rdma/ib_smi.h>
props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
IB_DEVICE_PORT_ACTIVE_EVENT |
IB_DEVICE_SYS_IMAGE_GUID |
- IB_DEVICE_RC_RNR_NAK_GEN;
+ IB_DEVICE_RC_RNR_NAK_GEN |
+ IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR)
props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
- if (dev->dev->caps.max_gso_sz)
+ if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)
props->device_cap_flags |= IB_DEVICE_UD_TSO;
+ if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY)
+ props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
+ if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) &&
+ (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) &&
+ (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR))
+ props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
0xffffff;
props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
props->max_srq_sge = dev->dev->caps.max_srq_sge;
+ props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64);
props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
struct mlx4_ib_alloc_ucontext_resp resp;
int err;
+ if (!dev->ib_active)
+ return ERR_PTR(-EAGAIN);
+
resp.qp_tab_size = dev->dev->caps.num_qps;
resp.bf_reg_size = dev->dev->caps.bf_reg_size;
resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
PAGE_SIZE, vma->vm_page_prot))
return -EAGAIN;
} else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) {
- /* FIXME want pgprot_writecombine() for BlueFlame pages */
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
if (io_remap_pfn_range(vma, vma->vm_start,
to_mucontext(context)->uar.pfn +
static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
return mlx4_multicast_attach(to_mdev(ibqp->device)->dev,
- &to_mqp(ibqp)->mqp, gid->raw);
+ &to_mqp(ibqp)->mqp, gid->raw,
+ !!(to_mqp(ibqp)->flags &
+ MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK));
}
static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
static void *mlx4_ib_add(struct mlx4_dev *dev)
{
- static int mlx4_ib_version_printed;
struct mlx4_ib_dev *ibdev;
+ int num_ports = 0;
int i;
+ printk_once(KERN_INFO "%s", mlx4_ib_version);
- if (!mlx4_ib_version_printed) {
- printk(KERN_INFO "%s", mlx4_ib_version);
- ++mlx4_ib_version_printed;
- }
+ mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+ num_ports++;
+
+ /* No point in registering a device with no ports... */
+ if (num_ports == 0)
+ return NULL;
ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
if (!ibdev) {
goto err_uar;
MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
- INIT_LIST_HEAD(&ibdev->pgdir_list);
- mutex_init(&ibdev->pgdir_mutex);
-
ibdev->dev = dev;
strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX);
ibdev->ib_dev.owner = THIS_MODULE;
ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
- ibdev->ib_dev.phys_port_cnt = dev->caps.num_ports;
- ibdev->ib_dev.num_comp_vectors = 1;
+ ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey;
+ ibdev->num_ports = num_ports;
+ ibdev->ib_dev.phys_port_cnt = ibdev->num_ports;
+ ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
ibdev->ib_dev.dma_device = &dev->pdev->dev;
ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr;
ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
+ ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr;
+ ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
+ ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
goto err_reg;
}
+ ibdev->ib_active = true;
+
return ibdev;
err_reg:
struct mlx4_ib_dev *ibdev = ibdev_ptr;
int p;
- for (p = 1; p <= dev->caps.num_ports; ++p)
- mlx4_CLOSE_PORT(dev, p);
-
mlx4_ib_mad_cleanup(ibdev);
ib_unregister_device(&ibdev->ib_dev);
+
+ for (p = 1; p <= ibdev->num_ports; ++p)
+ mlx4_CLOSE_PORT(dev, p);
+
iounmap(ibdev->uar_map);
mlx4_uar_free(dev, &ibdev->priv_uar);
mlx4_pd_free(dev, ibdev->priv_pdn);
enum mlx4_dev_event event, int port)
{
struct ib_event ibev;
+ struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
+
+ if (port > ibdev->num_ports)
+ return;
switch (event) {
case MLX4_DEV_EVENT_PORT_UP:
break;
case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
+ ibdev->ib_active = false;
ibev.event = IB_EVENT_DEVICE_FATAL;
break;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff