@@ -127,17 +127,54 @@ cache_flush_buf(__rte_unused struct rte_mbuf **array,
#endif
}
+static int
+vchan_data_populate(uint32_t dev_id, struct rte_dma_vchan_conf *qconf,
+ struct test_configure *cfg)
+{
+ struct rte_dma_info info;
+
+ qconf->direction = cfg->transfer_dir;
+
+ rte_dma_info_get(dev_id, &info);
+ if (!(RTE_BIT64(qconf->direction) & info.dev_capa))
+ return -1;
+
+ qconf->nb_desc = cfg->ring_size.cur;
+
+ switch (qconf->direction) {
+ case RTE_DMA_DIR_MEM_TO_DEV:
+ qconf->dst_port.pcie.vfen = 1;
+ qconf->dst_port.port_type = RTE_DMA_PORT_PCIE;
+ qconf->dst_port.pcie.coreid = cfg->dcoreid;
+ qconf->dst_port.pcie.vfid = cfg->vfid;
+ qconf->dst_port.pcie.pfid = cfg->pfid;
+ break;
+ case RTE_DMA_DIR_DEV_TO_MEM:
+ qconf->src_port.pcie.vfen = 1;
+ qconf->src_port.port_type = RTE_DMA_PORT_PCIE;
+ qconf->src_port.pcie.coreid = cfg->scoreid;
+ qconf->src_port.pcie.vfid = cfg->vfid;
+ qconf->src_port.pcie.pfid = cfg->pfid;
+ break;
+ case RTE_DMA_DIR_MEM_TO_MEM:
+ case RTE_DMA_DIR_DEV_TO_DEV:
+ break;
+ }
+
+ return 0;
+}
+
/* Configuration of device. */
static void
-configure_dmadev_queue(uint32_t dev_id, uint32_t ring_size)
+configure_dmadev_queue(uint32_t dev_id, struct test_configure *cfg)
{
uint16_t vchan = 0;
struct rte_dma_info info;
struct rte_dma_conf dev_config = { .nb_vchans = 1 };
- struct rte_dma_vchan_conf qconf = {
- .direction = RTE_DMA_DIR_MEM_TO_MEM,
- .nb_desc = ring_size
- };
+ struct rte_dma_vchan_conf qconf = { 0 };
+
+ if (vchan_data_populate(dev_id, &qconf, cfg) != 0)
+ rte_exit(EXIT_FAILURE, "Error with vchan data populate.\n");
if (rte_dma_configure(dev_id, &dev_config) != 0)
rte_exit(EXIT_FAILURE, "Error with dma configure.\n");
@@ -159,7 +196,6 @@ configure_dmadev_queue(uint32_t dev_id, uint32_t ring_size)
static int
config_dmadevs(struct test_configure *cfg)
{
- uint32_t ring_size = cfg->ring_size.cur;
struct lcore_dma_map_t *ldm = &cfg->lcore_dma_map;
uint32_t nb_workers = ldm->cnt;
uint32_t i;
@@ -176,7 +212,7 @@ config_dmadevs(struct test_configure *cfg)
}
ldm->dma_ids[i] = dev_id;
- configure_dmadev_queue(dev_id, ring_size);
+ configure_dmadev_queue(dev_id, cfg);
++nb_dmadevs;
}
@@ -302,13 +338,22 @@ do_cpu_mem_copy(void *p)
return 0;
}
+static void
+dummy_free_ext_buf(void *addr, void *opaque)
+{
+ RTE_SET_USED(addr);
+ RTE_SET_USED(opaque);
+}
+
static int
setup_memory_env(struct test_configure *cfg, struct rte_mbuf ***srcs,
struct rte_mbuf ***dsts)
{
+ static struct rte_mbuf_ext_shared_info *ext_buf_info;
unsigned int buf_size = cfg->buf_size.cur;
unsigned int nr_sockets;
uint32_t nr_buf = cfg->nr_buf;
+ uint32_t i;
nr_sockets = rte_socket_count();
if (cfg->src_numa_node >= nr_sockets ||
@@ -361,16 +406,47 @@ setup_memory_env(struct test_configure *cfg, struct rte_mbuf ***srcs,
return -1;
}
+ if (cfg->transfer_dir == RTE_DMA_DIR_DEV_TO_MEM ||
+ cfg->transfer_dir == RTE_DMA_DIR_MEM_TO_DEV) {
+ ext_buf_info = rte_malloc(NULL, sizeof(struct rte_mbuf_ext_shared_info), 0);
+ if (ext_buf_info == NULL) {
+ printf("Error: ext_buf_info malloc failed.\n");
+ return -1;
+ }
+ }
+
+ if (cfg->transfer_dir == RTE_DMA_DIR_DEV_TO_MEM) {
+ ext_buf_info->free_cb = dummy_free_ext_buf;
+ ext_buf_info->fcb_opaque = NULL;
+ for (i = 0; i < nr_buf; i++) {
+ /* Using mbuf structure to hold remote iova address. */
+ rte_pktmbuf_attach_extbuf((*srcs)[i], (void *)cfg->raddr,
+ (rte_iova_t)cfg->raddr, 0, ext_buf_info);
+ rte_mbuf_ext_refcnt_update(ext_buf_info, 1);
+ }
+ }
+
+ if (cfg->transfer_dir == RTE_DMA_DIR_MEM_TO_DEV) {
+ ext_buf_info->free_cb = dummy_free_ext_buf;
+ ext_buf_info->fcb_opaque = NULL;
+ for (i = 0; i < nr_buf; i++) {
+ /* Using mbuf structure to hold remote iova address. */
+ rte_pktmbuf_attach_extbuf((*dsts)[i], (void *)cfg->raddr,
+ (rte_iova_t)cfg->raddr, 0, ext_buf_info);
+ rte_mbuf_ext_refcnt_update(ext_buf_info, 1);
+ }
+ }
+
return 0;
}
void
mem_copy_benchmark(struct test_configure *cfg, bool is_dma)
{
- uint16_t i;
+ uint32_t i;
uint32_t offset;
unsigned int lcore_id = 0;
- struct rte_mbuf **srcs = NULL, **dsts = NULL;
+ struct rte_mbuf **srcs = NULL, **dsts = NULL, **m = NULL;
struct lcore_dma_map_t *ldm = &cfg->lcore_dma_map;
unsigned int buf_size = cfg->buf_size.cur;
uint16_t kick_batch = cfg->kick_batch.cur;
@@ -476,6 +552,20 @@ mem_copy_benchmark(struct test_configure *cfg, bool is_dma)
avg_cycles_total / nb_workers, bandwidth_total, mops_total);
out:
+
+ if (cfg->transfer_dir == RTE_DMA_DIR_DEV_TO_MEM)
+ m = srcs;
+ else if (cfg->transfer_dir == RTE_DMA_DIR_MEM_TO_DEV)
+ m = dsts;
+
+ if (m) {
+ for (i = 0; i < nr_buf; i++)
+ rte_pktmbuf_detach_extbuf(m[i]);
+
+ if (m[0]->shinfo && rte_mbuf_ext_refcnt_read(m[0]->shinfo) == 0)
+ rte_free(m[0]->shinfo);
+ }
+
/* free mbufs used in the test */
if (srcs != NULL)
rte_pktmbuf_free_bulk(srcs, nr_buf);
@@ -38,6 +38,23 @@
; "skip" To skip a test-case set skip to 1.
+; Parameters to be configured for data transfers from "mem to dev" and "dev to mem":
+; ==================================================================================
+; "direction" denotes the direction of data transfer. It can take 3 values:
+; 0 - mem to mem transfer
+; 1 - mem to dev transfer
+; 2 - dev to mem transfer
+; If not specified the default value is 0 (mem to mem transfer).
+
+; "raddr" remote iova address for "mem to dev" and "dev to mem" transfer.
+
+; "scoreid" denotes source PCIe core index.
+; "dcoreid" denotes destination PCIe core index.
+; "pfid" denotes PF-id to be used for data transfer
+; "vfid" denotes VF-id of PF-id to be used for data transfer.
+
+; =========== End of "mem to dev" and "dev to mem" config parameters. ==============
+
[case1]
type=DMA_MEM_COPY
mem_size=10
@@ -52,6 +69,26 @@ lcore_dma=lcore10@0000:00:04.2, lcore11@0000:00:04.3
eal_args=--in-memory --file-prefix=test
[case2]
+skip=1
+type=DMA_MEM_COPY
+direction=2
+raddr=0x200000000
+scoreid=0
+dcoreid=0
+pfid=0
+vfid=0
+mem_size=10
+buf_size=64,4096,2,MUL
+dma_ring_size=1024
+kick_batch=32
+src_numa_node=0
+dst_numa_node=0
+cache_flush=0
+test_seconds=2
+lcore_dma=lcore10@0000:00:04.2, lcore11@0000:00:04.3
+eal_args=--in-memory --file-prefix=test
+
+[case3]
type=CPU_MEM_COPY
mem_size=10
buf_size=64,8192,2,MUL
@@ -16,6 +16,7 @@
#include <rte_cfgfile.h>
#include <rte_string_fns.h>
#include <rte_lcore.h>
+#include <rte_dmadev.h>
#include "main.h"
@@ -318,9 +319,11 @@ load_configs(const char *path)
struct test_configure *test_case;
char section_name[CFG_NAME_LEN];
const char *case_type;
+ const char *transfer_dir;
const char *lcore_dma;
const char *mem_size_str, *buf_size_str, *ring_size_str, *kick_batch_str;
const char *skip;
+ const char *raddr, *scoreid, *dcoreid, *vfid, *pfid;
int args_nr, nb_vp;
bool is_dma;
@@ -358,6 +361,20 @@ load_configs(const char *path)
if (strcmp(case_type, DMA_MEM_COPY) == 0) {
test_case->test_type = TEST_TYPE_DMA_MEM_COPY;
test_case->test_type_str = DMA_MEM_COPY;
+
+ transfer_dir = rte_cfgfile_get_entry(cfgfile, section_name, "direction");
+ if (transfer_dir == NULL) {
+ printf("Transfer direction not configured."
+ " Defaulting it to MEM to MEM transfer.\n");
+ test_case->transfer_dir = RTE_DMA_DIR_MEM_TO_MEM;
+ } else
+ test_case->transfer_dir = (uint8_t)atoi(transfer_dir);
+
+ if (test_case->transfer_dir >= RTE_DMA_DIR_DEV_TO_DEV) {
+ printf("Error: Invalid transfer direction configured.\n");
+ test_case->is_valid = false;
+ continue;
+ }
is_dma = true;
} else if (strcmp(case_type, CPU_MEM_COPY) == 0) {
test_case->test_type = TEST_TYPE_CPU_MEM_COPY;
@@ -369,6 +386,56 @@ load_configs(const char *path)
continue;
}
+ if (test_case->transfer_dir == RTE_DMA_DIR_MEM_TO_DEV ||
+ test_case->transfer_dir == RTE_DMA_DIR_DEV_TO_MEM) {
+ char *endptr;
+
+ raddr = rte_cfgfile_get_entry(cfgfile, section_name, "raddr");
+ if (raddr == NULL) {
+ printf("Error: No raddr configured for case%d.\n", i + 1);
+ test_case->is_valid = false;
+ continue;
+ }
+ test_case->raddr = strtoull(raddr, &endptr, 16);
+
+ vfid = rte_cfgfile_get_entry(cfgfile, section_name, "vfid");
+ if (vfid == NULL) {
+ printf("Error: No vfid configured for case%d.\n", i + 1);
+ test_case->is_valid = false;
+ continue;
+ }
+ test_case->vfid = (uint16_t)atoi(vfid);
+
+ pfid = rte_cfgfile_get_entry(cfgfile, section_name, "pfid");
+ if (pfid == NULL) {
+ printf("Error: No pfid configured for case%d.\n", i + 1);
+ test_case->is_valid = false;
+ continue;
+ }
+ test_case->pfid = (uint8_t)atoi(pfid);
+
+ }
+
+ if (test_case->transfer_dir == RTE_DMA_DIR_DEV_TO_MEM) {
+ scoreid = rte_cfgfile_get_entry(cfgfile, section_name, "scoreid");
+ if (scoreid == NULL) {
+ printf("Error: No scoreid configured for case%d.\n", i + 1);
+ test_case->is_valid = false;
+ continue;
+ }
+ test_case->scoreid = (uint8_t)atoi(scoreid);
+ }
+
+ if (test_case->transfer_dir == RTE_DMA_DIR_MEM_TO_DEV) {
+ dcoreid = rte_cfgfile_get_entry(cfgfile, section_name, "dcoreid");
+ if (dcoreid == NULL) {
+ printf("Error: No dcoreid configured for case%d.\n", i + 1);
+ test_case->is_valid = false;
+ continue;
+ }
+ test_case->dcoreid = (uint8_t)atoi(dcoreid);
+ }
+
test_case->src_numa_node = (int)atoi(rte_cfgfile_get_entry(cfgfile,
section_name, "src_numa_node"));
test_case->dst_numa_node = (int)atoi(rte_cfgfile_get_entry(cfgfile,
@@ -42,6 +42,7 @@ struct test_configure {
bool is_valid;
bool is_skip;
uint8_t test_type;
+ uint8_t transfer_dir;
const char *test_type_str;
uint16_t src_numa_node;
uint16_t dst_numa_node;
@@ -57,6 +58,11 @@ struct test_configure {
uint16_t test_secs;
const char *eal_args;
uint8_t scenario_id;
+ uint8_t scoreid;
+ uint8_t dcoreid;
+ uint8_t pfid;
+ uint16_t vfid;
+ uintptr_t raddr;
};
void mem_copy_benchmark(struct test_configure *cfg, bool is_dma);