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path: root/drivers/infiniband/hw/mthca/mthca_av.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_av.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_av.c94
1 files changed, 48 insertions, 46 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_av.c b/drivers/infiniband/hw/mthca/mthca_av.c
index 32f6c6315454..3df1f5ff7932 100644
--- a/drivers/infiniband/hw/mthca/mthca_av.c
+++ b/drivers/infiniband/hw/mthca/mthca_av.c
@@ -91,7 +91,7 @@ static enum ib_rate tavor_rate_to_ib(u8 mthca_rate, u8 port_rate)
}
}
-enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u8 port)
+enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u32 port)
{
if (mthca_is_memfree(dev)) {
/* Handle old Arbel FW */
@@ -115,7 +115,7 @@ static u8 ib_rate_to_memfree(u8 req_rate, u8 cur_rate)
switch ((cur_rate - 1) / req_rate) {
case 0: return MTHCA_RATE_MEMFREE_FULL;
case 1: return MTHCA_RATE_MEMFREE_HALF;
- case 2: /* fall through */
+ case 2:
case 3: return MTHCA_RATE_MEMFREE_QUARTER;
default: return MTHCA_RATE_MEMFREE_EIGHTH;
}
@@ -131,7 +131,7 @@ static u8 ib_rate_to_tavor(u8 static_rate)
}
}
-u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u8 port)
+u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u32 port)
{
u8 rate;
@@ -152,7 +152,7 @@ u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u8 port)
int mthca_create_ah(struct mthca_dev *dev,
struct mthca_pd *pd,
- struct ib_ah_attr *ah_attr,
+ struct rdma_ah_attr *ah_attr,
struct mthca_ah *ah)
{
u32 index = -1;
@@ -186,8 +186,8 @@ int mthca_create_ah(struct mthca_dev *dev,
on_hca_fail:
if (ah->type == MTHCA_AH_PCI_POOL) {
- ah->av = pci_pool_alloc(dev->av_table.pool,
- GFP_ATOMIC, &ah->avdma);
+ ah->av = dma_pool_zalloc(dev->av_table.pool,
+ GFP_ATOMIC, &ah->avdma);
if (!ah->av)
return -ENOMEM;
@@ -196,23 +196,26 @@ on_hca_fail:
ah->key = pd->ntmr.ibmr.lkey;
- memset(av, 0, MTHCA_AV_SIZE);
-
- av->port_pd = cpu_to_be32(pd->pd_num | (ah_attr->port_num << 24));
- av->g_slid = ah_attr->src_path_bits;
- av->dlid = cpu_to_be16(ah_attr->dlid);
+ av->port_pd = cpu_to_be32(pd->pd_num |
+ (rdma_ah_get_port_num(ah_attr) << 24));
+ av->g_slid = rdma_ah_get_path_bits(ah_attr);
+ av->dlid = cpu_to_be16(rdma_ah_get_dlid(ah_attr));
av->msg_sr = (3 << 4) | /* 2K message */
- mthca_get_rate(dev, ah_attr->static_rate, ah_attr->port_num);
- av->sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);
- if (ah_attr->ah_flags & IB_AH_GRH) {
+ mthca_get_rate(dev, rdma_ah_get_static_rate(ah_attr),
+ rdma_ah_get_port_num(ah_attr));
+ av->sl_tclass_flowlabel = cpu_to_be32(rdma_ah_get_sl(ah_attr) << 28);
+ if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) {
+ const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
+
av->g_slid |= 0x80;
- av->gid_index = (ah_attr->port_num - 1) * dev->limits.gid_table_len +
- ah_attr->grh.sgid_index;
- av->hop_limit = ah_attr->grh.hop_limit;
+ av->gid_index = (rdma_ah_get_port_num(ah_attr) - 1) *
+ dev->limits.gid_table_len +
+ grh->sgid_index;
+ av->hop_limit = grh->hop_limit;
av->sl_tclass_flowlabel |=
- cpu_to_be32((ah_attr->grh.traffic_class << 20) |
- ah_attr->grh.flow_label);
- memcpy(av->dgid, ah_attr->grh.dgid.raw, 16);
+ cpu_to_be32((grh->traffic_class << 20) |
+ grh->flow_label);
+ memcpy(av->dgid, grh->dgid.raw, 16);
} else {
/* Arbel workaround -- low byte of GID must be 2 */
av->dgid[3] = cpu_to_be32(2);
@@ -247,7 +250,7 @@ int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
break;
case MTHCA_AH_PCI_POOL:
- pci_pool_free(dev->av_table.pool, ah->av, ah->avdma);
+ dma_pool_free(dev->av_table.pool, ah->av, ah->avdma);
break;
case MTHCA_AH_KMALLOC:
@@ -278,10 +281,7 @@ int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
header->grh.flow_label =
ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff);
header->grh.hop_limit = ah->av->hop_limit;
- ib_get_cached_gid(&dev->ib_dev,
- be32_to_cpu(ah->av->port_pd) >> 24,
- ah->av->gid_index % dev->limits.gid_table_len,
- &header->grh.source_gid);
+ header->grh.source_gid = ah->ibah.sgid_attr->gid;
memcpy(header->grh.destination_gid.raw,
ah->av->dgid, 16);
}
@@ -289,33 +289,35 @@ int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
return 0;
}
-int mthca_ah_query(struct ib_ah *ibah, struct ib_ah_attr *attr)
+int mthca_ah_query(struct ib_ah *ibah, struct rdma_ah_attr *attr)
{
struct mthca_ah *ah = to_mah(ibah);
struct mthca_dev *dev = to_mdev(ibah->device);
+ u32 port_num = be32_to_cpu(ah->av->port_pd) >> 24;
/* Only implement for MAD and memfree ah for now. */
if (ah->type == MTHCA_AH_ON_HCA)
return -ENOSYS;
memset(attr, 0, sizeof *attr);
- attr->dlid = be16_to_cpu(ah->av->dlid);
- attr->sl = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
- attr->port_num = be32_to_cpu(ah->av->port_pd) >> 24;
- attr->static_rate = mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
- attr->port_num);
- attr->src_path_bits = ah->av->g_slid & 0x7F;
- attr->ah_flags = mthca_ah_grh_present(ah) ? IB_AH_GRH : 0;
-
- if (attr->ah_flags) {
- attr->grh.traffic_class =
- be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20;
- attr->grh.flow_label =
- be32_to_cpu(ah->av->sl_tclass_flowlabel) & 0xfffff;
- attr->grh.hop_limit = ah->av->hop_limit;
- attr->grh.sgid_index = ah->av->gid_index &
- (dev->limits.gid_table_len - 1);
- memcpy(attr->grh.dgid.raw, ah->av->dgid, 16);
+ attr->type = ibah->type;
+ rdma_ah_set_dlid(attr, be16_to_cpu(ah->av->dlid));
+ rdma_ah_set_sl(attr, be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28);
+ rdma_ah_set_port_num(attr, port_num);
+ rdma_ah_set_static_rate(attr,
+ mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
+ port_num));
+ rdma_ah_set_path_bits(attr, ah->av->g_slid & 0x7F);
+ if (mthca_ah_grh_present(ah)) {
+ u32 tc_fl = be32_to_cpu(ah->av->sl_tclass_flowlabel);
+
+ rdma_ah_set_grh(attr, NULL,
+ tc_fl & 0xfffff,
+ ah->av->gid_index &
+ (dev->limits.gid_table_len - 1),
+ ah->av->hop_limit,
+ (tc_fl >> 20) & 0xff);
+ rdma_ah_set_dgid_raw(attr, ah->av->dgid);
}
return 0;
@@ -335,7 +337,7 @@ int mthca_init_av_table(struct mthca_dev *dev)
if (err)
return err;
- dev->av_table.pool = pci_pool_create("mthca_av", dev->pdev,
+ dev->av_table.pool = dma_pool_create("mthca_av", &dev->pdev->dev,
MTHCA_AV_SIZE,
MTHCA_AV_SIZE, 0);
if (!dev->av_table.pool)
@@ -355,7 +357,7 @@ int mthca_init_av_table(struct mthca_dev *dev)
return 0;
out_free_pool:
- pci_pool_destroy(dev->av_table.pool);
+ dma_pool_destroy(dev->av_table.pool);
out_free_alloc:
mthca_alloc_cleanup(&dev->av_table.alloc);
@@ -369,6 +371,6 @@ void mthca_cleanup_av_table(struct mthca_dev *dev)
if (dev->av_table.av_map)
iounmap(dev->av_table.av_map);
- pci_pool_destroy(dev->av_table.pool);
+ dma_pool_destroy(dev->av_table.pool);
mthca_alloc_cleanup(&dev->av_table.alloc);
}
generated by cgit (git 2.34.1) at 2025-12-25 19:31:45 +0000