Pass back provider-specific meta data for user mr registration. The
infrastructure is there to do this in the kernel, but not in the
libibverbs cmd interface.
This is (hopefully) a short term requirement for the driver I'm working
on, but if it has utility for others, we should add it. I guess the
downside is it impacts all the libs...
Signed-off-by: Steve Wise <[EMAIL PROTECTED]>
Index: libibverbs/include/infiniband/driver.h
===================================================================
--- libibverbs/include/infiniband/driver.h (revision 9349)
+++ libibverbs/include/infiniband/driver.h (working copy)
@@ -85,7 +85,8 @@
int ibv_cmd_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
uint64_t hca_va, enum ibv_access_flags access,
struct ibv_mr *mr, struct ibv_reg_mr *cmd,
- size_t cmd_size);
+ size_t cmd_size,
+ struct ibv_reg_mr_resp *resp, size_t resp_size);
int ibv_cmd_dereg_mr(struct ibv_mr *mr);
int ibv_cmd_create_cq(struct ibv_context *context, int cqe,
struct ibv_comp_channel *channel,
Index: libibverbs/src/cmd.c
===================================================================
--- libibverbs/src/cmd.c (revision 9349)
+++ libibverbs/src/cmd.c (working copy)
@@ -221,11 +221,11 @@
int ibv_cmd_reg_mr(struct ibv_pd *pd, void *addr, size_t length,
uint64_t hca_va, enum ibv_access_flags access,
struct ibv_mr *mr, struct ibv_reg_mr *cmd,
- size_t cmd_size)
+ size_t cmd_size,
+ struct ibv_reg_mr_resp *resp, size_t resp_size)
{
- struct ibv_reg_mr_resp resp;
- IBV_INIT_CMD_RESP(cmd, cmd_size, REG_MR, &resp, sizeof resp);
+ IBV_INIT_CMD_RESP(cmd, cmd_size, REG_MR, resp, resp_size);
cmd->start = (uintptr_t) addr;
cmd->length = length;
@@ -236,9 +236,9 @@
if (write(pd->context->cmd_fd, cmd, cmd_size) != cmd_size)
return errno;
- mr->handle = resp.mr_handle;
- mr->lkey = resp.lkey;
- mr->rkey = resp.rkey;
+ mr->handle = resp->mr_handle;
+ mr->lkey = resp->lkey;
+ mr->rkey = resp->rkey;
return 0;
}
_______________________________________________
openib-general mailing list
[email protected]
http://openib.org/mailman/listinfo/openib-general
To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
