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| author | Dotan Barak <dotanb@dev.mellanox.co.il> | 2007-06-26 15:55:28 +0300 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-07-09 20:12:26 -0700 |
| commit | 149983af609e8f5c57157467baf8545d17b8a6a1 (patch) | |
| tree | 4a8ea99e670a6e74b7b03122408a82d4c6e29518 | |
| parent | 87427da55bc03dbce7906a5b09ed50279d654d28 (diff) | |
| download | op-kernel-dev-149983af609e8f5c57157467baf8545d17b8a6a1.zip op-kernel-dev-149983af609e8f5c57157467baf8545d17b8a6a1.tar.gz | |
mlx4_core: Get the maximum message size from reported device capabilities
Get the maximum message size from the device capabilities returned
from the QUERY_DEV_CAP firmware command, rather than hard-coding 2 GB.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 2 | ||||
| -rw-r--r-- | drivers/net/mlx4/fw.c | 3 | ||||
| -rw-r--r-- | drivers/net/mlx4/fw.h | 1 | ||||
| -rw-r--r-- | drivers/net/mlx4/main.c | 1 | ||||
| -rw-r--r-- | include/linux/mlx4/device.h | 1 |
5 files changed, 7 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index c591616..2fc8cce 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -169,7 +169,7 @@ static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, props->phys_state = out_mad->data[33] >> 4; props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; - props->max_msg_sz = 0x80000000; + props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c index d2b0653..c45cbe4 100644 --- a/drivers/net/mlx4/fw.c +++ b/drivers/net/mlx4/fw.c @@ -138,6 +138,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 +#define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f @@ -220,6 +221,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->local_ca_ack_delay = field & 0x1f; MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); dev_cap->num_ports = field & 0xf; + MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); + dev_cap->max_msg_sz = 1 << (field & 0x1f); MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); dev_cap->stat_rate_support = stat_rate; MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h index 296254a..7e1dd9e 100644 --- a/drivers/net/mlx4/fw.h +++ b/drivers/net/mlx4/fw.h @@ -60,6 +60,7 @@ struct mlx4_dev_cap { int max_rdma_global; int local_ca_ack_delay; int num_ports; + u32 max_msg_sz; int max_mtu[MLX4_MAX_PORTS + 1]; int max_port_width[MLX4_MAX_PORTS + 1]; int max_vl[MLX4_MAX_PORTS + 1]; diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index c3da2a2..a4f2e04 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -154,6 +154,7 @@ static int __devinit mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev dev->caps.reserved_uars = dev_cap->reserved_uars; dev->caps.reserved_pds = dev_cap->reserved_pds; dev->caps.mtt_entry_sz = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz; + dev->caps.max_msg_sz = dev_cap->max_msg_sz; dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); dev->caps.flags = dev_cap->flags; dev->caps.stat_rate_support = dev_cap->stat_rate_support; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index b372f59..8209387 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -172,6 +172,7 @@ struct mlx4_caps { int num_pds; int reserved_pds; int mtt_entry_sz; + u32 max_msg_sz; u32 page_size_cap; u32 flags; u16 stat_rate_support; |
