/*
- * rdma engine
+ * RDMA I/O engine
*
- * RDMA IO engine using OFED library.
- * Support both RDMA memory semantic and channel semantic
- * in InfiniBand, RoCE and iWarp environment.
+ * RDMA I/O engine based on the IB verbs and RDMA/CM user space libraries.
+ * Supports both RDMA memory semantics and channel semantics
+ * for the InfiniBand, RoCE and iWARP protocols.
*
- * This is currently disabled. To enable it, execute:
+ * This I/O engine is disabled by default. To enable it, execute:
*
* $ export EXTFLAGS="-DFIO_HAVE_RDMA"
* $ export EXTLIBS="-libverbs -lrdmacm"
*
- * before running make. You'll need the OFED as well:
+ * before running make. You will need the Linux RDMA software as well, either
+ * from your Linux distributor or directly from openfabrics.org:
*
* http://www.openfabrics.org/downloads/OFED/
*
#include <rdma/rdma_cma.h>
#include <infiniband/arch.h>
-#define FIO_RDMA_MAX_IO_DPETH 128
+#define FIO_RDMA_MAX_IO_DEPTH 128
enum rdma_io_mode {
FIO_RDMA_UNKNOWN = 0,
uint32_t nr; /* client: io depth
server: number of records for memory semantic
*/
- struct remote_u rmt_us[FIO_RDMA_MAX_IO_DPETH];
+ struct remote_u rmt_us[FIO_RDMA_MAX_IO_DEPTH];
};
struct rdma_io_u_data {
{
struct rdmaio_data *rd = td->io_ops->data;
- if (wc->wr_id == FIO_RDMA_MAX_IO_DPETH) {
+ if (wc->wr_id == FIO_RDMA_MAX_IO_DEPTH) {
rd->rdma_protocol = ntohl(rd->recv_buf.mode);
/* CHANNEL semantic, do nothing */
else
server_recv(td, &wc);
- if (wc.wr_id == FIO_RDMA_MAX_IO_DPETH)
+ if (wc.wr_id == FIO_RDMA_MAX_IO_DEPTH)
break;
for (i = 0; i < rd->io_u_flight_nr; i++) {
}
}
if (i == rd->io_u_flight_nr)
- log_err("fio: recv wr %ld not found\n",
+ log_err("fio: recv wr %" PRId64 " not found\n",
wc.wr_id);
else {
/* put the last one into middle of the list */
case IBV_WC_SEND:
case IBV_WC_RDMA_WRITE:
case IBV_WC_RDMA_READ:
- if (wc.wr_id == FIO_RDMA_MAX_IO_DPETH)
+ if (wc.wr_id == FIO_RDMA_MAX_IO_DEPTH)
break;
for (i = 0; i < rd->io_u_flight_nr; i++) {
}
}
if (i == rd->io_u_flight_nr)
- log_err("fio: send wr %ld not found\n",
+ log_err("fio: send wr %" PRId64 " not found\n",
wc.wr_id);
else {
/* put the last one into middle of the list */
rd->recv_sgl.lkey = rd->recv_mr->lkey;
rd->rq_wr.sg_list = &rd->recv_sgl;
rd->rq_wr.num_sge = 1;
- rd->rq_wr.wr_id = FIO_RDMA_MAX_IO_DPETH;
+ rd->rq_wr.wr_id = FIO_RDMA_MAX_IO_DEPTH;
/* send wq */
rd->send_sgl.addr = (uint64_t) (unsigned long)&rd->send_buf;
rd->sq_wr.send_flags = IBV_SEND_SIGNALED;
rd->sq_wr.sg_list = &rd->send_sgl;
rd->sq_wr.num_sge = 1;
- rd->sq_wr.wr_id = FIO_RDMA_MAX_IO_DPETH;
+ rd->sq_wr.wr_id = FIO_RDMA_MAX_IO_DEPTH;
return 0;
}
{
struct rdmaio_data *rd = td->io_ops->data;
struct ibv_send_wr *bad_wr;
+#if 0
enum ibv_wc_opcode comp_opcode;
comp_opcode = IBV_WC_RDMA_WRITE;
+#endif
int i, index;
struct rdma_io_u_data *r_io_u_d;
/* soft limit */
if ((rl.rlim_cur != RLIM_INFINITY)
&& (rl.rlim_cur < td->orig_buffer_size)) {
- log_err("fio: soft RLIMIT_MEMLOCK is: %ld\n", rl.rlim_cur);
- log_err("fio: total block size is: %ld\n",
+ log_err("fio: soft RLIMIT_MEMLOCK is: %" PRId64 "\n",
+ rl.rlim_cur);
+ log_err("fio: total block size is: %zd\n",
td->orig_buffer_size);
/* try to set larger RLIMIT_MEMLOCK */
rl.rlim_cur = rl.rlim_max;
if ((rd->rdma_protocol == FIO_RDMA_MEM_WRITE) ||
(rd->rdma_protocol == FIO_RDMA_MEM_READ)) {
rd->rmt_us =
- malloc(FIO_RDMA_MAX_IO_DPETH * sizeof(struct remote_u));
+ malloc(FIO_RDMA_MAX_IO_DEPTH * sizeof(struct remote_u));
memset(rd->rmt_us, 0,
- FIO_RDMA_MAX_IO_DPETH * sizeof(struct remote_u));
+ FIO_RDMA_MAX_IO_DEPTH * sizeof(struct remote_u));
rd->rmt_nr = 0;
}