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Merge branches 'cxgb4', 'mlx4' and 'ocrdma' into for-linus

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This commit is contained in:
Roland Dreier 2012-06-06 10:08:11 -07:00
commit 20952cdd8e
10 changed files with 35 additions and 41 deletions
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21
drivers/infiniband/hw/mlx4/main.c
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@ -140,7 +140,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->max_mr_size = ~0ull;
props->page_size_cap = dev->dev->caps.page_size_cap;
props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps;
props->max_qp_wr = dev->dev->caps.max_wqes;
props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
props->max_sge = min(dev->dev->caps.max_sq_sg,
dev->dev->caps.max_rq_sg);
props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs;
@ -1084,12 +1084,9 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
int total_eqs = 0;
int i, j, eq;
/* Init eq table */
ibdev->eq_table = NULL;
ibdev->eq_added = 0;
/* Legacy mode? */
if (dev->caps.comp_pool == 0)
/* Legacy mode or comp_pool is not large enough */
if (dev->caps.comp_pool == 0 ||
dev->caps.num_ports > dev->caps.comp_pool)
return;
eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/
@ -1135,7 +1132,10 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
{
int i;
int total_eqs;
/* no additional eqs were added */
if (!ibdev->eq_table)
return;
/* Reset the advertised EQ number */
ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
@ -1148,12 +1148,7 @@ static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
mlx4_release_eq(dev, ibdev->eq_table[i]);
}
total_eqs = dev->caps.num_comp_vectors + ibdev->eq_added;
memset(ibdev->eq_table, 0, total_eqs * sizeof(int));
kfree(ibdev->eq_table);
ibdev->eq_table = NULL;
ibdev->eq_added = 0;
}
static void *mlx4_ib_add(struct mlx4_dev *dev)

8
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -44,6 +44,14 @@
#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>
enum {
MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
MLX4_IB_MAX_HEADROOM = 2048
};
#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
struct mlx4_ib_ucontext {
struct ib_ucontext ibucontext;
struct mlx4_uar uar;

17
drivers/infiniband/hw/mlx4/qp.c
View File

@ -310,8 +310,8 @@ static int set_rq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
int is_user, int has_rq, struct mlx4_ib_qp *qp)
{
/* Sanity check RQ size before proceeding */
if (cap->max_recv_wr > dev->dev->caps.max_wqes ||
cap->max_recv_sge > dev->dev->caps.max_rq_sg)
if (cap->max_recv_wr > dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE ||
cap->max_recv_sge > min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg))
return -EINVAL;
if (!has_rq) {
@ -329,8 +329,17 @@ static int set_rq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
qp->rq.wqe_shift = ilog2(qp->rq.max_gs * sizeof (struct mlx4_wqe_data_seg));
}
/* leave userspace return values as they were, so as not to break ABI */
if (is_user) {
cap->max_recv_wr = qp->rq.max_post = qp->rq.wqe_cnt;
cap->max_recv_sge = qp->rq.max_gs;
} else {
cap->max_recv_wr = qp->rq.max_post =
min(dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE, qp->rq.wqe_cnt);
cap->max_recv_sge = min(qp->rq.max_gs,
min(dev->dev->caps.max_sq_sg,
dev->dev->caps.max_rq_sg));
}
return 0;
}
@ -341,8 +350,8 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap,
int s;
/* Sanity check SQ size before proceeding */
if (cap->max_send_wr > dev->dev->caps.max_wqes ||
cap->max_send_sge > dev->dev->caps.max_sq_sg ||
if (cap->max_send_wr > (dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE) ||
cap->max_send_sge > min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg) ||
cap->max_inline_data + send_wqe_overhead(type, qp->flags) +
sizeof (struct mlx4_wqe_inline_seg) > dev->dev->caps.max_sq_desc_sz)
return -EINVAL;

1
drivers/infiniband/hw/ocrdma/ocrdma.h
View File

@ -231,7 +231,6 @@ struct ocrdma_qp_hwq_info {
u32 entry_size;
u32 max_cnt;
u32 max_wqe_idx;
u32 free_delta;
u16 dbid; /* qid, where to ring the doorbell. */
u32 len;
dma_addr_t pa;

5
drivers/infiniband/hw/ocrdma/ocrdma_abi.h
View File

@ -101,8 +101,6 @@ struct ocrdma_create_qp_uresp {
u32 rsvd1;
u32 num_wqe_allocated;
u32 num_rqe_allocated;
u32 free_wqe_delta;
u32 free_rqe_delta;
u32 db_sq_offset;
u32 db_rq_offset;
u32 db_shift;
@ -126,8 +124,7 @@ struct ocrdma_create_srq_uresp {
u32 db_rq_offset;
u32 db_shift;
u32 free_rqe_delta;
u32 rsvd2;
u64 rsvd2;
u64 rsvd3;
} __packed;

9
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -732,7 +732,7 @@ static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev,
break;
case OCRDMA_SRQ_LIMIT_EVENT:
ib_evt.element.srq = &qp->srq->ibsrq;
ib_evt.event = IB_EVENT_QP_LAST_WQE_REACHED;
ib_evt.event = IB_EVENT_SRQ_LIMIT_REACHED;
srq_event = 1;
qp_event = 0;
break;
@ -1990,19 +1990,12 @@ static void ocrdma_get_create_qp_rsp(struct ocrdma_create_qp_rsp *rsp,
max_wqe_allocated = 1 << max_wqe_allocated;
max_rqe_allocated = 1 << ((u16)rsp->max_wqe_rqe);
if (qp->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
qp->sq.free_delta = 0;
qp->rq.free_delta = 1;
} else
qp->sq.free_delta = 1;
qp->sq.max_cnt = max_wqe_allocated;
qp->sq.max_wqe_idx = max_wqe_allocated - 1;
if (!attrs->srq) {
qp->rq.max_cnt = max_rqe_allocated;
qp->rq.max_wqe_idx = max_rqe_allocated - 1;
qp->rq.free_delta = 1;
}
}

1
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -26,7 +26,6 @@
*******************************************************************/
#include <linux/module.h>
#include <linux/version.h>
#include <linux/idr.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_user_verbs.h>

5
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -940,8 +940,6 @@ static int ocrdma_copy_qp_uresp(struct ocrdma_qp *qp,
uresp.db_rq_offset = OCRDMA_DB_RQ_OFFSET;
uresp.db_shift = 16;
}
uresp.free_wqe_delta = qp->sq.free_delta;
uresp.free_rqe_delta = qp->rq.free_delta;
if (qp->dpp_enabled) {
uresp.dpp_credit = dpp_credit_lmt;
@ -1307,8 +1305,6 @@ static int ocrdma_hwq_free_cnt(struct ocrdma_qp_hwq_info *q)
free_cnt = (q->max_cnt - q->head) + q->tail;
else
free_cnt = q->tail - q->head;
if (q->free_delta)
free_cnt -= q->free_delta;
return free_cnt;
}
@ -1501,7 +1497,6 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_srq *srq, struct ib_udata *udata)
(srq->pd->id * srq->dev->nic_info.db_page_size);
uresp.db_page_size = srq->dev->nic_info.db_page_size;
uresp.num_rqe_allocated = srq->rq.max_cnt;
uresp.free_rqe_delta = 1;
if (srq->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ1_OFFSET;
uresp.db_shift = 24;

1
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -28,7 +28,6 @@
#ifndef __OCRDMA_VERBS_H__
#define __OCRDMA_VERBS_H__
#include <linux/version.h>
int ocrdma_post_send(struct ib_qp *, struct ib_send_wr *,
struct ib_send_wr **bad_wr);
int ocrdma_post_recv(struct ib_qp *, struct ib_recv_wr *,

4
drivers/net/ethernet/mellanox/mlx4/port.c
View File

@ -697,10 +697,10 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
if (slave != dev->caps.function)
memset(inbox->buf, 0, 256);
if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
*(u8 *) inbox->buf = !!reset_qkey_viols << 6;
*(u8 *) inbox->buf |= !!reset_qkey_viols << 6;
((__be32 *) inbox->buf)[2] = agg_cap_mask;
} else {
((u8 *) inbox->buf)[3] = !!reset_qkey_viols;
((u8 *) inbox->buf)[3] |= !!reset_qkey_viols;
((__be32 *) inbox->buf)[1] = agg_cap_mask;
}