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| author | Shiraz Saleem <shiraz.saleem@intel.com> | 2016-06-14 16:54:19 -0500 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-06-23 10:35:34 -0400 |
| commit | 7748e4990de42ea796543c0ffd34118c3a5e6a98 (patch) | |
| tree | 732cbcac813768990cc1dd5e9013e533d1883d53 | |
| parent | 0477e18145c565f9ca74c6df4112f818f673fcaa (diff) | |
| download | linux-stable-7748e4990de42ea796543c0ffd34118c3a5e6a98.tar.gz linux-stable-7748e4990de42ea796543c0ffd34118c3a5e6a98.tar.bz2 linux-stable-7748e4990de42ea796543c0ffd34118c3a5e6a98.zip | |
i40iw: Enable level-1 PBL for fast memory registration
Set the chunk_size to enable level-1 PBL support when the fast memory
page count is more than one.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_verbs.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw.h b/drivers/infiniband/hw/i40iw/i40iw.h index 14f16a2dcbed..b738acdb9b02 100644 --- a/drivers/infiniband/hw/i40iw/i40iw.h +++ b/drivers/infiniband/hw/i40iw/i40iw.h @@ -114,6 +114,7 @@ #define IW_HMC_OBJ_TYPE_NUM ARRAY_SIZE(iw_hmc_obj_types) #define IW_CFG_FPM_QP_COUNT 32768 #define I40IW_MAX_PAGES_PER_FMR 512 +#define I40IW_MIN_PAGES_PER_FMR 1 #define I40IW_MTU_TO_MSS 40 #define I40IW_DEFAULT_MSS 1460 diff --git a/drivers/infiniband/hw/i40iw/i40iw_verbs.c b/drivers/infiniband/hw/i40iw/i40iw_verbs.c index 31eda323fcbf..33959ed14563 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_verbs.c +++ b/drivers/infiniband/hw/i40iw/i40iw_verbs.c @@ -2150,6 +2150,7 @@ static int i40iw_post_send(struct ib_qp *ibqp, struct i40iw_sc_dev *dev = &iwqp->iwdev->sc_dev; struct i40iw_fast_reg_stag_info info; + memset(&info, 0, sizeof(info)); info.access_rights = I40IW_ACCESS_FLAGS_LOCALREAD; info.access_rights |= i40iw_get_user_access(flags); info.stag_key = reg_wr(ib_wr)->key & 0xff; @@ -2159,10 +2160,14 @@ static int i40iw_post_send(struct ib_qp *ibqp, info.addr_type = I40IW_ADDR_TYPE_VA_BASED; info.va = (void *)(uintptr_t)iwmr->ibmr.iova; info.total_len = iwmr->ibmr.length; + info.reg_addr_pa = *(u64 *)palloc->level1.addr; info.first_pm_pbl_index = palloc->level1.idx; info.local_fence = ib_wr->send_flags & IB_SEND_FENCE; info.signaled = ib_wr->send_flags & IB_SEND_SIGNALED; + if (iwmr->npages > I40IW_MIN_PAGES_PER_FMR) + info.chunk_size = 1; + if (page_shift == 21) info.page_size = 1; /* 2M page */ |