diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2020-09-04 19:41:58 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-09-11 10:24:54 -0300 |
| commit | 1d4299ed774205cfe4218a351834a137853fa9c2 (patch) | |
| tree | de78e2b3362b5ba65407d1dd202cc1b46c328370 /drivers/infiniband/hw/ocrdma/ocrdma_hw.c | |
| parent | b3003a74456f0c1f614a46c07e16abe33bfdd087 (diff) | |
RDMA/ocrdma: Remove fbo from MR
This is always the same value as IOVA masked by the page size, just use
that clearer calculation directly.
It is unclear of ocrdma hardware can actually support a true fbo, if so it
could use a different algorithm to compute the best page size.
Link: https://lore.kernel.org/r/17-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_hw.c')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index e07bf0b2209a..c51c3f40700e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1962,6 +1962,7 @@ static int ocrdma_mbx_reg_mr(struct ocrdma_dev *dev, struct ocrdma_hw_mr *hwmr, int i; struct ocrdma_reg_nsmr *cmd; struct ocrdma_reg_nsmr_rsp *rsp; + u64 fbo = hwmr->va & (hwmr->pbe_size - 1); cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_REGISTER_NSMR, sizeof(*cmd)); if (!cmd) @@ -1987,8 +1988,8 @@ static int ocrdma_mbx_reg_mr(struct ocrdma_dev *dev, struct ocrdma_hw_mr *hwmr, OCRDMA_REG_NSMR_HPAGE_SIZE_SHIFT; cmd->totlen_low = hwmr->len; cmd->totlen_high = upper_32_bits(hwmr->len); - cmd->fbo_low = (u32) (hwmr->fbo & 0xffffffff); - cmd->fbo_high = (u32) upper_32_bits(hwmr->fbo); + cmd->fbo_low = lower_32_bits(fbo); + cmd->fbo_high = upper_32_bits(fbo); cmd->va_loaddr = (u32) hwmr->va; cmd->va_hiaddr = (u32) upper_32_bits(hwmr->va); |