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author | Roland Dreier <roland@purestorage.com> | 2012-10-23 09:03:49 -0700 |
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committer | Roland Dreier <roland@purestorage.com> | 2012-10-23 09:03:49 -0700 |
commit | 1e3474d1de922ea3df176a0efbef843ada2dd43b (patch) | |
tree | 2580a2ef5a333d4c6220e0fec5402d91f972e218 /drivers/infiniband | |
parent | 32c631f9f2566d09d32abc2f4c7aa24c6d8b5641 (diff) | |
parent | 41929ed2656bab8af1734bf5d0088385e72e294f (diff) | |
download | linux-stable-1e3474d1de922ea3df176a0efbef843ada2dd43b.tar.gz linux-stable-1e3474d1de922ea3df176a0efbef843ada2dd43b.tar.bz2 linux-stable-1e3474d1de922ea3df176a0efbef843ada2dd43b.zip |
Merge branches 'cxgb4' and 'mlx4' into for-next
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/hw/mlx4/alias_GUID.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/mad.c | 85 | ||||
-rw-r--r-- | drivers/infiniband/hw/mlx4/mcg.c | 18 |
3 files changed, 51 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c index d2fb38d43571..2f215b93db6b 100644 --- a/drivers/infiniband/hw/mlx4/alias_GUID.c +++ b/drivers/infiniband/hw/mlx4/alias_GUID.c @@ -107,7 +107,7 @@ static __be64 get_cached_alias_guid(struct mlx4_ib_dev *dev, int port, int index { if (index >= NUM_ALIAS_GUID_PER_PORT) { pr_err("%s: ERROR: asked for index:%d\n", __func__, index); - return (__force __be64) ((u64) 0xFFFFFFFFFFFFFFFFUL); + return (__force __be64) -1; } return *(__be64 *)&dev->sriov.demux[port - 1].guid_cache[index]; } diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 21a794152d15..0a903c129f0a 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -409,38 +409,45 @@ int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid) } -static int get_pkey_phys_indices(struct mlx4_ib_dev *ibdev, u8 port, u8 ph_pkey_ix, - u8 *full_pk_ix, u8 *partial_pk_ix, - int *is_full_member) +static int find_slave_port_pkey_ix(struct mlx4_ib_dev *dev, int slave, + u8 port, u16 pkey, u16 *ix) { - u16 search_pkey; - int fm; - int err = 0; - u16 pk; + int i, ret; + u8 unassigned_pkey_ix, pkey_ix, partial_ix = 0xFF; + u16 slot_pkey; - err = ib_get_cached_pkey(&ibdev->ib_dev, port, ph_pkey_ix, &search_pkey); - if (err) - return err; + if (slave == mlx4_master_func_num(dev->dev)) + return ib_find_cached_pkey(&dev->ib_dev, port, pkey, ix); - fm = (search_pkey & 0x8000) ? 1 : 0; - if (fm) { - *full_pk_ix = ph_pkey_ix; - search_pkey &= 0x7FFF; - } else { - *partial_pk_ix = ph_pkey_ix; - search_pkey |= 0x8000; - } + unassigned_pkey_ix = dev->dev->phys_caps.pkey_phys_table_len[port] - 1; - if (ib_find_exact_cached_pkey(&ibdev->ib_dev, port, search_pkey, &pk)) - pk = 0xFFFF; + for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) { + if (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == unassigned_pkey_ix) + continue; - if (fm) - *partial_pk_ix = (pk & 0xFF); - else - *full_pk_ix = (pk & 0xFF); + pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][i]; - *is_full_member = fm; - return err; + ret = ib_get_cached_pkey(&dev->ib_dev, port, pkey_ix, &slot_pkey); + if (ret) + continue; + if ((slot_pkey & 0x7FFF) == (pkey & 0x7FFF)) { + if (slot_pkey & 0x8000) { + *ix = (u16) pkey_ix; + return 0; + } else { + /* take first partial pkey index found */ + if (partial_ix == 0xFF) + partial_ix = pkey_ix; + } + } + } + + if (partial_ix < 0xFF) { + *ix = (u16) partial_ix; + return 0; + } + + return -EINVAL; } int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, @@ -458,10 +465,8 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, unsigned tun_tx_ix = 0; int dqpn; int ret = 0; - int i; - int is_full_member = 0; u16 tun_pkey_ix; - u8 ph_pkey_ix, full_pk_ix = 0, partial_pk_ix = 0; + u16 cached_pkey; if (dest_qpt > IB_QPT_GSI) return -EINVAL; @@ -481,27 +486,17 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, else tun_qp = &tun_ctx->qp[1]; - /* compute pkey index for slave */ - /* get physical pkey -- virtualized Dom0 pkey to phys*/ + /* compute P_Key index to put in tunnel header for slave */ if (dest_qpt) { - ph_pkey_ix = - dev->pkeys.virt2phys_pkey[mlx4_master_func_num(dev->dev)][port - 1][wc->pkey_index]; - - /* now, translate this to the slave pkey index */ - ret = get_pkey_phys_indices(dev, port, ph_pkey_ix, &full_pk_ix, - &partial_pk_ix, &is_full_member); + u16 pkey_ix; + ret = ib_get_cached_pkey(&dev->ib_dev, port, wc->pkey_index, &cached_pkey); if (ret) return -EINVAL; - for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) { - if ((dev->pkeys.virt2phys_pkey[slave][port - 1][i] == full_pk_ix) || - (is_full_member && - (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == partial_pk_ix))) - break; - } - if (i == dev->dev->caps.pkey_table_len[port]) + ret = find_slave_port_pkey_ix(dev, slave, port, cached_pkey, &pkey_ix); + if (ret) return -EINVAL; - tun_pkey_ix = i; + tun_pkey_ix = pkey_ix; } else tun_pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][0]; diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index 3c3b54c3fdd9..25b2cdff00f8 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -233,7 +233,8 @@ static int send_mad_to_slave(int slave, struct mlx4_ib_demux_ctx *ctx, ib_query_ah(dev->sm_ah[ctx->port - 1], &ah_attr); - wc.pkey_index = 0; + if (ib_find_cached_pkey(&dev->ib_dev, ctx->port, IB_DEFAULT_PKEY_FULL, &wc.pkey_index)) + return -EINVAL; wc.sl = 0; wc.dlid_path_bits = 0; wc.port_num = ctx->port; @@ -1074,10 +1075,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy unsigned long end; int count; - if (ctx->flushing) - return; - - ctx->flushing = 1; for (i = 0; i < MAX_VFS; ++i) clean_vf_mcast(ctx, i); @@ -1107,9 +1104,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy force_clean_group(group); } mutex_unlock(&ctx->mcg_table_lock); - - if (!destroy_wq) - ctx->flushing = 0; } struct clean_work { @@ -1123,6 +1117,7 @@ static void mcg_clean_task(struct work_struct *work) struct clean_work *cw = container_of(work, struct clean_work, work); _mlx4_ib_mcg_port_cleanup(cw->ctx, cw->destroy_wq); + cw->ctx->flushing = 0; kfree(cw); } @@ -1130,13 +1125,20 @@ void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq) { struct clean_work *work; + if (ctx->flushing) + return; + + ctx->flushing = 1; + if (destroy_wq) { _mlx4_ib_mcg_port_cleanup(ctx, destroy_wq); + ctx->flushing = 0; return; } work = kmalloc(sizeof *work, GFP_KERNEL); if (!work) { + ctx->flushing = 0; mcg_warn("failed allocating work for cleanup\n"); return; } |