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Merge branch 'mlx5-next' 

Eli Cohen says:

====================
mlx5 batch of patches for net-next

This series contains small fixes to the mlx5 core driver and also
preparation steps towards adding Ethernet support for ConnectX4
devices which will be part of mlx5 driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-04-02 16:33:43 -04:00
parent c448b5e785 64613d9499
commit 11a9c7821c
38 changed files with 247 additions and 188 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/mlx5/ah.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

14
drivers/infiniband/hw/mlx5/cq.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -572,11 +572,15 @@ int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
{
struct mlx5_core_dev *mdev = to_mdev(ibcq->device)->mdev;
void __iomem *uar_page = mdev->priv.uuari.uars[0].map;
mlx5_cq_arm(&to_mcq(ibcq)->mcq,
(flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ?
MLX5_CQ_DB_REQ_NOT_SOL : MLX5_CQ_DB_REQ_NOT,
to_mdev(ibcq->device)->mdev->priv.uuari.uars[0].map,
MLX5_GET_DOORBELL_LOCK(&to_mdev(ibcq->device)->mdev->priv.cq_uar_lock));
uar_page,
MLX5_GET_DOORBELL_LOCK(&mdev->priv.cq_uar_lock),
to_mcq(ibcq)->mcq.cons_index);
return 0;
}
@ -697,8 +701,6 @@ static int create_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
cq->mcq.set_ci_db = cq->db.db;
cq->mcq.arm_db = cq->db.db + 1;
*cq->mcq.set_ci_db = 0;
*cq->mcq.arm_db = 0;
cq->mcq.cqe_sz = cqe_size;
err = alloc_cq_buf(dev, &cq->buf, entries, cqe_size);
@ -782,7 +784,7 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries,
cq->cqe_size = cqe_size;
cqb->ctx.cqe_sz_flags = cqe_sz_to_mlx_sz(cqe_size) << 5;
cqb->ctx.log_sz_usr_page = cpu_to_be32((ilog2(entries) << 24) | index);
err = mlx5_vector2eqn(dev, vector, &eqn, &irqn);
err = mlx5_vector2eqn(dev->mdev, vector, &eqn, &irqn);
if (err)
goto err_cqb;

2
drivers/infiniband/hw/mlx5/doorbell.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/infiniband/hw/mlx5/mad.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

107
drivers/infiniband/hw/mlx5/main.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -62,95 +62,6 @@ static char mlx5_version[] =
DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v"
DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn)
{
struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
struct mlx5_eq *eq, *n;
int err = -ENOENT;
spin_lock(&table->lock);
list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
if (eq->index == vector) {
*eqn = eq->eqn;
*irqn = eq->irqn;
err = 0;
break;
}
}
spin_unlock(&table->lock);
return err;
}
static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
{
struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
char name[MLX5_MAX_EQ_NAME];
struct mlx5_eq *eq, *n;
int ncomp_vec;
int nent;
int err;
int i;
INIT_LIST_HEAD(&dev->eqs_list);
ncomp_vec = table->num_comp_vectors;
nent = MLX5_COMP_EQ_SIZE;
for (i = 0; i < ncomp_vec; i++) {
eq = kzalloc(sizeof(*eq), GFP_KERNEL);
if (!eq) {
err = -ENOMEM;
goto clean;
}
snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
err = mlx5_create_map_eq(dev->mdev, eq,
i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
name, &dev->mdev->priv.uuari.uars[0]);
if (err) {
kfree(eq);
goto clean;
}
mlx5_ib_dbg(dev, "allocated completion EQN %d\n", eq->eqn);
eq->index = i;
spin_lock(&table->lock);
list_add_tail(&eq->list, &dev->eqs_list);
spin_unlock(&table->lock);
}
dev->num_comp_vectors = ncomp_vec;
return 0;
clean:
spin_lock(&table->lock);
list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
list_del(&eq->list);
spin_unlock(&table->lock);
if (mlx5_destroy_unmap_eq(dev->mdev, eq))
mlx5_ib_warn(dev, "failed to destroy EQ 0x%x\n", eq->eqn);
kfree(eq);
spin_lock(&table->lock);
}
spin_unlock(&table->lock);
return err;
}
static void free_comp_eqs(struct mlx5_ib_dev *dev)
{
struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
struct mlx5_eq *eq, *n;
spin_lock(&table->lock);
list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
list_del(&eq->list);
spin_unlock(&table->lock);
if (mlx5_destroy_unmap_eq(dev->mdev, eq))
mlx5_ib_warn(dev, "failed to destroy EQ 0x%x\n", eq->eqn);
kfree(eq);
spin_lock(&table->lock);
}
spin_unlock(&table->lock);
}
static int mlx5_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props)
{
@ -1291,10 +1202,6 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
get_ext_port_caps(dev);
err = alloc_comp_eqs(dev);
if (err)
goto err_dealloc;
MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock);
strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
@ -1303,7 +1210,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
dev->ib_dev.local_dma_lkey = mdev->caps.gen.reserved_lkey;
dev->num_ports = mdev->caps.gen.num_ports;
dev->ib_dev.phys_port_cnt = dev->num_ports;
dev->ib_dev.num_comp_vectors = dev->num_comp_vectors;
dev->ib_dev.num_comp_vectors =
dev->mdev->priv.eq_table.num_comp_vectors;
dev->ib_dev.dma_device = &mdev->pdev->dev;
dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION;
@ -1390,13 +1298,13 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
err = init_node_data(dev);
if (err)
goto err_eqs;
goto err_dealloc;
mutex_init(&dev->cap_mask_mutex);
err = create_dev_resources(&dev->devr);
if (err)
goto err_eqs;
goto err_dealloc;
err = mlx5_ib_odp_init_one(dev);
if (err)
@ -1433,9 +1341,6 @@ err_odp:
err_rsrc:
destroy_dev_resources(&dev->devr);
err_eqs:
free_comp_eqs(dev);
err_dealloc:
ib_dealloc_device((struct ib_device *)dev);
@ -1450,7 +1355,6 @@ static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
destroy_umrc_res(dev);
mlx5_ib_odp_remove_one(dev);
destroy_dev_resources(&dev->devr);
free_comp_eqs(dev);
ib_dealloc_device(&dev->ib_dev);
}
@ -1458,6 +1362,7 @@ static struct mlx5_interface mlx5_ib_interface = {
.add = mlx5_ib_add,
.remove = mlx5_ib_remove,
.event = mlx5_ib_event,
.protocol = MLX5_INTERFACE_PROTOCOL_IB,
};
static int __init mlx5_ib_init(void)

2
drivers/infiniband/hw/mlx5/mem.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

5
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -421,9 +421,7 @@ struct mlx5_ib_dev {
struct ib_device ib_dev;
struct mlx5_core_dev *mdev;
MLX5_DECLARE_DOORBELL_LOCK(uar_lock);
struct list_head eqs_list;
int num_ports;
int num_comp_vectors;
/* serialize update of capability mask
*/
struct mutex cap_mask_mutex;
@ -594,7 +592,6 @@ struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata);
int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd);
int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn);
int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,

2
drivers/infiniband/hw/mlx5/mr.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/infiniband/hw/mlx5/odp.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014 Mellanox Technologies. All rights reserved.
* Copyright (c) 2013-2015, 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

8
drivers/infiniband/hw/mlx5/qp.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -796,9 +796,6 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
goto err_free;
}
qp->db.db[0] = 0;
qp->db.db[1] = 0;
qp->sq.wrid = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wrid), GFP_KERNEL);
qp->sq.wr_data = kmalloc(qp->sq.wqe_cnt * sizeof(*qp->sq.wr_data), GFP_KERNEL);
qp->rq.wrid = kmalloc(qp->rq.wqe_cnt * sizeof(*qp->rq.wrid), GFP_KERNEL);
@ -1162,10 +1159,11 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
in = kzalloc(sizeof(*in), GFP_KERNEL);
if (!in)
return;
if (qp->state != IB_QPS_RESET) {
mlx5_ib_qp_disable_pagefaults(qp);
if (mlx5_core_qp_modify(dev->mdev, to_mlx5_state(qp->state),
MLX5_QP_STATE_RST, in, sizeof(*in), &qp->mqp))
MLX5_QP_STATE_RST, in, 0, &qp->mqp))
mlx5_ib_warn(dev, "mlx5_ib: modify QP %06x to RESET failed\n",
qp->mqp.qpn);
}

4
drivers/infiniband/hw/mlx5/srq.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -165,8 +165,6 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq,
return err;
}
*srq->db.db = 0;
if (mlx5_buf_alloc(dev->mdev, buf_size, PAGE_SIZE * 2, &srq->buf)) {
mlx5_ib_dbg(dev, "buf alloc failed\n");
err = -ENOMEM;

2
drivers/infiniband/hw/mlx5/user.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

5
drivers/net/ethernet/mellanox/mlx5/core/alloc.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -171,6 +171,9 @@ static int mlx5_alloc_db_from_pgdir(struct mlx5_db_pgdir *pgdir,
db->db = pgdir->db_page + offset / sizeof(*pgdir->db_page);
db->dma = pgdir->db_dma + offset;
db->db[0] = 0;
db->db[1] = 0;
return 0;
}

85
drivers/net/ethernet/mellanox/mlx5/core/cmd.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -125,7 +125,10 @@ static u8 alloc_token(struct mlx5_cmd *cmd)
u8 token;
spin_lock(&cmd->token_lock);
token = cmd->token++ % 255 + 1;
cmd->token++;
if (cmd->token == 0)
cmd->token++;
token = cmd->token;
spin_unlock(&cmd->token_lock);
return token;
@ -515,10 +518,11 @@ static void cmd_work_handler(struct work_struct *work)
ent->ts1 = ktime_get_ns();
/* ring doorbell after the descriptor is valid */
mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx);
wmb();
iowrite32be(1 << ent->idx, &dev->iseg->cmd_dbell);
mlx5_core_dbg(dev, "write 0x%x to command doorbell\n", 1 << ent->idx);
mmiowb();
/* if not in polling don't use ent after this point */
if (cmd->mode == CMD_MODE_POLLING) {
poll_timeout(ent);
/* make sure we read the descriptor after ownership is SW */
@ -1236,7 +1240,8 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
goto out_out;
}
err = mlx5_copy_from_msg(out, outb, out_size);
if (!callback)
err = mlx5_copy_from_msg(out, outb, out_size);
out_out:
if (!callback)
@ -1319,6 +1324,45 @@ ex_err:
return err;
}
static int alloc_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd)
{
struct device *ddev = &dev->pdev->dev;
cmd->cmd_alloc_buf = dma_zalloc_coherent(ddev, MLX5_ADAPTER_PAGE_SIZE,
&cmd->alloc_dma, GFP_KERNEL);
if (!cmd->cmd_alloc_buf)
return -ENOMEM;
/* make sure it is aligned to 4K */
if (!((uintptr_t)cmd->cmd_alloc_buf & (MLX5_ADAPTER_PAGE_SIZE - 1))) {
cmd->cmd_buf = cmd->cmd_alloc_buf;
cmd->dma = cmd->alloc_dma;
cmd->alloc_size = MLX5_ADAPTER_PAGE_SIZE;
return 0;
}
dma_free_coherent(ddev, MLX5_ADAPTER_PAGE_SIZE, cmd->cmd_alloc_buf,
cmd->alloc_dma);
cmd->cmd_alloc_buf = dma_zalloc_coherent(ddev,
2 * MLX5_ADAPTER_PAGE_SIZE - 1,
&cmd->alloc_dma, GFP_KERNEL);
if (!cmd->cmd_alloc_buf)
return -ENOMEM;
cmd->cmd_buf = PTR_ALIGN(cmd->cmd_alloc_buf, MLX5_ADAPTER_PAGE_SIZE);
cmd->dma = ALIGN(cmd->alloc_dma, MLX5_ADAPTER_PAGE_SIZE);
cmd->alloc_size = 2 * MLX5_ADAPTER_PAGE_SIZE - 1;
return 0;
}
static void free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd)
{
struct device *ddev = &dev->pdev->dev;
dma_free_coherent(ddev, cmd->alloc_size, cmd->cmd_alloc_buf,
cmd->alloc_dma);
}
int mlx5_cmd_init(struct mlx5_core_dev *dev)
{
int size = sizeof(struct mlx5_cmd_prot_block);
@ -1341,17 +1385,9 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
if (!cmd->pool)
return -ENOMEM;
cmd->cmd_buf = (void *)__get_free_pages(GFP_ATOMIC, 0);
if (!cmd->cmd_buf) {
err = -ENOMEM;
err = alloc_cmd_page(dev, cmd);
if (err)
goto err_free_pool;
}
cmd->dma = dma_map_single(&dev->pdev->dev, cmd->cmd_buf, PAGE_SIZE,
DMA_BIDIRECTIONAL);
if (dma_mapping_error(&dev->pdev->dev, cmd->dma)) {
err = -ENOMEM;
goto err_free;
}
cmd_l = ioread32be(&dev->iseg->cmdq_addr_l_sz) & 0xff;
cmd->log_sz = cmd_l >> 4 & 0xf;
@ -1360,13 +1396,13 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
dev_err(&dev->pdev->dev, "firmware reports too many outstanding commands %d\n",
1 << cmd->log_sz);
err = -EINVAL;
goto err_map;
goto err_free_page;
}
if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) {
dev_err(&dev->pdev->dev, "command queue size overflow\n");
err = -EINVAL;
goto err_map;
goto err_free_page;
}
cmd->checksum_disabled = 1;
@ -1378,7 +1414,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
dev_err(&dev->pdev->dev, "driver does not support command interface version. driver %d, firmware %d\n",
CMD_IF_REV, cmd->cmdif_rev);
err = -ENOTSUPP;
goto err_map;
goto err_free_page;
}
spin_lock_init(&cmd->alloc_lock);
@ -1394,7 +1430,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
if (cmd_l & 0xfff) {
dev_err(&dev->pdev->dev, "invalid command queue address\n");
err = -ENOMEM;
goto err_map;
goto err_free_page;
}
iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h);
@ -1410,7 +1446,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
err = create_msg_cache(dev);
if (err) {
dev_err(&dev->pdev->dev, "failed to create command cache\n");
goto err_map;
goto err_free_page;
}
set_wqname(dev);
@ -1435,11 +1471,8 @@ err_wq:
err_cache:
destroy_msg_cache(dev);
err_map:
dma_unmap_single(&dev->pdev->dev, cmd->dma, PAGE_SIZE,
DMA_BIDIRECTIONAL);
err_free:
free_pages((unsigned long)cmd->cmd_buf, 0);
err_free_page:
free_cmd_page(dev, cmd);
err_free_pool:
pci_pool_destroy(cmd->pool);
@ -1455,9 +1488,7 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
clean_debug_files(dev);
destroy_workqueue(cmd->wq);
destroy_msg_cache(dev);
dma_unmap_single(&dev->pdev->dev, cmd->dma, PAGE_SIZE,
DMA_BIDIRECTIONAL);
free_pages((unsigned long)cmd->cmd_buf, 0);
free_cmd_page(dev, cmd);
pci_pool_destroy(cmd->pool);
}
EXPORT_SYMBOL(mlx5_cmd_cleanup);

2
drivers/net/ethernet/mellanox/mlx5/core/cq.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/eq.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/fw.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/health.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/mad.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

123
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -48,11 +48,11 @@
#include "mlx5_core.h"
#define DRIVER_NAME "mlx5_core"
#define DRIVER_VERSION "2.2-1"
#define DRIVER_RELDATE "Feb 2014"
#define DRIVER_VERSION "3.0"
#define DRIVER_RELDATE "January 2015"
MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
MODULE_DESCRIPTION("Mellanox ConnectX-IB HCA core library");
MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(DRIVER_VERSION);
@ -288,8 +288,6 @@ static void copy_rw_fields(void *to, struct mlx5_caps *from)
MLX5_SET(cmd_hca_cap, to, log_max_ra_req_qp, from->gen.log_max_ra_req_qp);
MLX5_SET(cmd_hca_cap, to, log_max_ra_res_qp, from->gen.log_max_ra_res_qp);
MLX5_SET(cmd_hca_cap, to, pkey_table_size, from->gen.pkey_table_size);
MLX5_SET(cmd_hca_cap, to, log_max_ra_req_dc, from->gen.log_max_ra_req_dc);
MLX5_SET(cmd_hca_cap, to, log_max_ra_res_dc, from->gen.log_max_ra_res_dc);
MLX5_SET(cmd_hca_cap, to, pkey_table_size, to_fw_pkey_sz(from->gen.pkey_table_size));
MLX5_SET(cmd_hca_cap, to, log_uar_page_sz, PAGE_SHIFT - 12);
v64 = from->gen.flags & MLX5_CAP_BITS_RW_MASK;
@ -509,6 +507,87 @@ static int mlx5_core_disable_hca(struct mlx5_core_dev *dev)
return 0;
}
int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn)
{
struct mlx5_eq_table *table = &dev->priv.eq_table;
struct mlx5_eq *eq, *n;
int err = -ENOENT;
spin_lock(&table->lock);
list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) {
if (eq->index == vector) {
*eqn = eq->eqn;
*irqn = eq->irqn;
err = 0;
break;
}
}
spin_unlock(&table->lock);
return err;
}
EXPORT_SYMBOL(mlx5_vector2eqn);
static void free_comp_eqs(struct mlx5_core_dev *dev)
{
struct mlx5_eq_table *table = &dev->priv.eq_table;
struct mlx5_eq *eq, *n;
spin_lock(&table->lock);
list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) {
list_del(&eq->list);
spin_unlock(&table->lock);
if (mlx5_destroy_unmap_eq(dev, eq))
mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n",
eq->eqn);
kfree(eq);
spin_lock(&table->lock);
}
spin_unlock(&table->lock);
}
static int alloc_comp_eqs(struct mlx5_core_dev *dev)
{
struct mlx5_eq_table *table = &dev->priv.eq_table;
char name[MLX5_MAX_EQ_NAME];
struct mlx5_eq *eq;
int ncomp_vec;
int nent;
int err;
int i;
INIT_LIST_HEAD(&table->comp_eqs_list);
ncomp_vec = table->num_comp_vectors;
nent = MLX5_COMP_EQ_SIZE;
for (i = 0; i < ncomp_vec; i++) {
eq = kzalloc(sizeof(*eq), GFP_KERNEL);
if (!eq) {
err = -ENOMEM;
goto clean;
}
snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
err = mlx5_create_map_eq(dev, eq,
i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
name, &dev->priv.uuari.uars[0]);
if (err) {
kfree(eq);
goto clean;
}
mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn);
eq->index = i;
spin_lock(&table->lock);
list_add_tail(&eq->list, &table->comp_eqs_list);
spin_unlock(&table->lock);
}
return 0;
clean:
free_comp_eqs(dev);
return err;
}
static int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev)
{
struct mlx5_priv *priv = &dev->priv;
@ -645,6 +724,12 @@ static int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev)
goto err_free_uar;
}
err = alloc_comp_eqs(dev);
if (err) {
dev_err(&pdev->dev, "Failed to alloc completion EQs\n");
goto err_stop_eqs;
}
MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock);
mlx5_init_cq_table(dev);
@ -654,6 +739,9 @@ static int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev)
return 0;
err_stop_eqs:
mlx5_stop_eqs(dev);
err_free_uar:
mlx5_free_uuars(dev, &priv->uuari);
@ -705,6 +793,7 @@ static void mlx5_dev_cleanup(struct mlx5_core_dev *dev)
mlx5_cleanup_srq_table(dev);
mlx5_cleanup_qp_table(dev);
mlx5_cleanup_cq_table(dev);
free_comp_eqs(dev);
mlx5_stop_eqs(dev);
mlx5_free_uuars(dev, &priv->uuari);
mlx5_eq_cleanup(dev);
@ -819,6 +908,28 @@ void mlx5_unregister_interface(struct mlx5_interface *intf)
}
EXPORT_SYMBOL(mlx5_unregister_interface);
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol)
{
struct mlx5_priv *priv = &mdev->priv;
struct mlx5_device_context *dev_ctx;
unsigned long flags;
void *result = NULL;
spin_lock_irqsave(&priv->ctx_lock, flags);
list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list)
if ((dev_ctx->intf->protocol == protocol) &&
dev_ctx->intf->get_dev) {
result = dev_ctx->intf->get_dev(dev_ctx->context);
break;
}
spin_unlock_irqrestore(&priv->ctx_lock, flags);
return result;
}
EXPORT_SYMBOL(mlx5_get_protocol_dev);
static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
unsigned long param)
{

2
drivers/net/ethernet/mellanox/mlx5/core/mcg.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

4
drivers/net/ethernet/mellanox/mlx5/core/mr.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -141,7 +141,7 @@ EXPORT_SYMBOL(mlx5_core_destroy_mkey);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_query_mkey_mbox_out *out, int outlen)
{
struct mlx5_destroy_mkey_mbox_in in;
struct mlx5_query_mkey_mbox_in in;
int err;
memset(&in, 0, sizeof(in));

5
drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -243,8 +243,9 @@ static int alloc_system_page(struct mlx5_core_dev *dev, u16 func_id)
struct page *page;
u64 addr;
int err;
int nid = dev_to_node(&dev->pdev->dev);
page = alloc_page(GFP_HIGHUSER);
page = alloc_pages_node(nid, GFP_HIGHUSER, 0);
if (!page) {
mlx5_core_warn(dev, "failed to allocate page\n");
return -ENOMEM;

2
drivers/net/ethernet/mellanox/mlx5/core/pd.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/port.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/qp.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/srq.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
drivers/net/ethernet/mellanox/mlx5/core/uar.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
include/linux/mlx5/cmd.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

7
include/linux/mlx5/cq.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -137,14 +137,15 @@ enum {
static inline void mlx5_cq_arm(struct mlx5_core_cq *cq, u32 cmd,
void __iomem *uar_page,
spinlock_t *doorbell_lock)
spinlock_t *doorbell_lock,
u32 cons_index)
{
__be32 doorbell[2];
u32 sn;
u32 ci;
sn = cq->arm_sn & 3;
ci = cq->cons_index & 0xffffff;
ci = cons_index & 0xffffff;
*cq->arm_db = cpu_to_be32(sn << 28 | cmd | ci);

2
include/linux/mlx5/device.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
include/linux/mlx5/doorbell.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

16
include/linux/mlx5/driver.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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
@ -232,6 +232,9 @@ struct mlx5_cmd_stats {
};
struct mlx5_cmd {
void *cmd_alloc_buf;
dma_addr_t alloc_dma;
int alloc_size;
void *cmd_buf;
dma_addr_t dma;
u16 cmdif_rev;
@ -407,7 +410,7 @@ struct mlx5_core_srq {
struct mlx5_eq_table {
void __iomem *update_ci;
void __iomem *update_arm_ci;
struct list_head *comp_eq_head;
struct list_head comp_eqs_list;
struct mlx5_eq pages_eq;
struct mlx5_eq async_eq;
struct mlx5_eq cmd_eq;
@ -722,6 +725,7 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx,
int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
int mlx5_start_eqs(struct mlx5_core_dev *dev);
int mlx5_stop_eqs(struct mlx5_core_dev *dev);
int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn);
int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
@ -777,14 +781,22 @@ enum {
MAX_MR_CACHE_ENTRIES = 16,
};
enum {
MLX5_INTERFACE_PROTOCOL_IB = 0,
MLX5_INTERFACE_PROTOCOL_ETH = 1,
};
struct mlx5_interface {
void * (*add)(struct mlx5_core_dev *dev);
void (*remove)(struct mlx5_core_dev *dev, void *context);
void (*event)(struct mlx5_core_dev *dev, void *context,
enum mlx5_dev_event event, unsigned long param);
void * (*get_dev)(void *context);
int protocol;
struct list_head list;
};
void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);

2
include/linux/mlx5/mlx5_ifc.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
include/linux/mlx5/qp.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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

2
include/linux/mlx5/srq.h
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Mellanox Technologies inc. All rights reserved.
* Copyright (c) 2013-2015, 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