diff options
| author | Konstantin Taranov <[email protected]> | 2025-04-14 09:00:33 +0000 |
|---|---|---|
| committer | Leon Romanovsky <[email protected]> | 2025-04-20 10:32:35 +0000 |
| commit | 8f49682d94f3a12a6a3e636a07bbe57c80329d1d (patch) | |
| tree | 3c7f2b04f2007dc8bced58675fd5da6de67cad82 /drivers/infiniband/hw/mana/mr.c | |
| parent | RDMA/mana_ib: Access remote atomic for MRs (diff) | |
| download | kernel-8f49682d94f3a12a6a3e636a07bbe57c80329d1d.tar.gz kernel-8f49682d94f3a12a6a3e636a07bbe57c80329d1d.zip | |
RDMA/mana_ib: support of the zero based MRs
Add IB_ZERO_BASED to the valid flags and use
the corresponding MR creation request for the zero
based memory.
Signed-off-by: Konstantin Taranov <[email protected]>
Link: https://patch.msgid.link/[email protected]
Reviewed-by: Long Li <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Diffstat (limited to 'drivers/infiniband/hw/mana/mr.c')
| -rw-r--r-- | drivers/infiniband/hw/mana/mr.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c index e4a9f537a6d0..6d974d0a8400 100644 --- a/drivers/infiniband/hw/mana/mr.c +++ b/drivers/infiniband/hw/mana/mr.c @@ -6,7 +6,7 @@ #include "mana_ib.h" #define VALID_MR_FLAGS (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ |\ - IB_ACCESS_REMOTE_ATOMIC) + IB_ACCESS_REMOTE_ATOMIC | IB_ZERO_BASED) #define VALID_DMA_MR_FLAGS (IB_ACCESS_LOCAL_WRITE) @@ -51,7 +51,10 @@ static int mana_ib_gd_create_mr(struct mana_ib_dev *dev, struct mana_ib_mr *mr, req.gva.virtual_address = mr_params->gva.virtual_address; req.gva.access_flags = mr_params->gva.access_flags; break; - + case GDMA_MR_TYPE_ZBVA: + req.zbva.dma_region_handle = mr_params->zbva.dma_region_handle; + req.zbva.access_flags = mr_params->zbva.access_flags; + break; default: ibdev_dbg(&dev->ib_dev, "invalid param (GDMA_MR_TYPE) passed, type %d\n", @@ -147,11 +150,18 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length, dma_region_handle); mr_params.pd_handle = pd->pd_handle; - mr_params.mr_type = GDMA_MR_TYPE_GVA; - mr_params.gva.dma_region_handle = dma_region_handle; - mr_params.gva.virtual_address = iova; - mr_params.gva.access_flags = - mana_ib_verbs_to_gdma_access_flags(access_flags); + if (access_flags & IB_ZERO_BASED) { + mr_params.mr_type = GDMA_MR_TYPE_ZBVA; + mr_params.zbva.dma_region_handle = dma_region_handle; + mr_params.zbva.access_flags = + mana_ib_verbs_to_gdma_access_flags(access_flags); + } else { + mr_params.mr_type = GDMA_MR_TYPE_GVA; + mr_params.gva.dma_region_handle = dma_region_handle; + mr_params.gva.virtual_address = iova; + mr_params.gva.access_flags = + mana_ib_verbs_to_gdma_access_flags(access_flags); + } err = mana_ib_gd_create_mr(dev, mr, &mr_params); if (err) |