diff options
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_profile.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_profile.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c index cfd6f70c8df..fd3f167e646 100644 --- a/drivers/infiniband/hw/mthca/mthca_profile.c +++ b/drivers/infiniband/hw/mthca/mthca_profile.c @@ -223,9 +223,10 @@ u64 mthca_make_profile(struct mthca_dev *dev, init_hca->mc_hash_sz = 1 << (profile[i].log_num - 1); break; case MTHCA_RES_MPT: - dev->limits.num_mpts = profile[i].num; - init_hca->mpt_base = profile[i].start; - init_hca->log_mpt_sz = profile[i].log_num; + dev->limits.num_mpts = profile[i].num; + dev->mr_table.mpt_base = profile[i].start; + init_hca->mpt_base = profile[i].start; + init_hca->log_mpt_sz = profile[i].log_num; break; case MTHCA_RES_MTT: dev->limits.num_mtt_segs = profile[i].num; @@ -259,6 +260,18 @@ u64 mthca_make_profile(struct mthca_dev *dev, */ dev->limits.num_pds = MTHCA_NUM_PDS; + /* + * For Tavor, FMRs use ioremapped PCI memory. For 32 bit + * systems it may use too much vmalloc space to map all MTT + * memory, so we reserve some MTTs for FMR access, taking them + * out of the MR pool. They don't use additional memory, but + * we assign them as part of the HCA profile anyway. + */ + if (dev->hca_type == ARBEL_NATIVE) + dev->limits.fmr_reserved_mtts = 0; + else + dev->limits.fmr_reserved_mtts = request->fmr_reserved_mtts; + kfree(profile); return total_size; } |