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nvmf_tgt: assign different core for subsystems under RPC mode

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Change-Id: Ib751c45f916f66b682d3011397f1f8fe794b08d8
Signed-off-by: GangCao <gang.cao@intel.com>
This commit is contained in:
GangCao 2017-01-24 12:52:23 +08:00 committed by Daniel Verkamp
parent 2ea9823c8a
commit 4f752e1d75
4 changed files with 10 additions and 3 deletions
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8
app/nvmf_tgt/conf.c
View File

@ -84,6 +84,7 @@ struct spdk_nvmf_probe_ctx {
#define SPDK_NVMF_CONFIG_MAX_IO_SIZE_MAX 131072
struct spdk_nvmf_tgt_conf g_spdk_nvmf_tgt_conf;
static int32_t g_last_rpc_lcore = -1;
static int
spdk_get_numa_node_value(char *path)
@ -659,7 +660,7 @@ spdk_nvmf_parse_conf(void)
int
spdk_nvmf_parse_subsystem_for_rpc(const char *name,
const char *mode_str, uint32_t lcore,
const char *mode_str, int32_t lcore,
int num_listen_addresses, struct rpc_listen_address *addresses,
int num_hosts, char *hosts[], const char *bdf,
const char *sn, int num_devs, char *dev_list[])
@ -685,9 +686,14 @@ spdk_nvmf_parse_subsystem_for_rpc(const char *name,
return -1;
}
if (lcore < 0) {
lcore = ++g_last_rpc_lcore;
}
/* Determine which core to assign to the subsystem */
mask = spdk_app_get_core_mask();
lcore = spdk_nvmf_allocate_lcore(mask, lcore);
g_last_rpc_lcore = lcore;
/* Determine the mode the subsysem will operate in */
if (mode_str == NULL) {

1
app/nvmf_tgt/nvmf_rpc.c
View File

@ -294,6 +294,7 @@ spdk_rpc_construct_nvmf_subsystem(struct spdk_jsonrpc_server_conn *conn,
struct rpc_subsystem req = {};
struct spdk_json_write_ctx *w;
int ret;
req.core = -1; /* Explicitly set the core as the uninitialized value */
if (spdk_json_decode_object(params, rpc_subsystem_decoders,
sizeof(rpc_subsystem_decoders) / sizeof(*rpc_subsystem_decoders),

2
app/nvmf_tgt/nvmf_tgt.h
View File

@ -78,7 +78,7 @@ struct nvmf_tgt_subsystem *nvmf_tgt_create_subsystem(const char *name,
int
spdk_nvmf_parse_subsystem_for_rpc(const char *name,
const char *mode, uint32_t lcore,
const char *mode, int32_t lcore,
int num_listen_addresses, struct rpc_listen_address *addresses,
int num_hosts, char *hosts[], const char *bdf,
const char *sn, int num_devs, char *dev_list[]);

2
scripts/rpc.py
View File

@ -375,7 +375,7 @@ def construct_nvmf_subsystem(args):
jsonrpc_call('construct_nvmf_subsystem', params)
p = subparsers.add_parser('construct_nvmf_subsystem', help='Add a nvmf subsystem')
p.add_argument("-c", "--core", help='The core Nvmf target run on', type=int, default=0)
p.add_argument("-c", "--core", help='The core Nvmf target run on', type=int, default=-1)
p.add_argument('mode', help='Target mode: Virtual or Direct')
p.add_argument('nqn', help='Target nqn(ASCII)')
p.add_argument('listen', help="""comma-separated list of Listen <transport:transport_name traddr:address trsvcid:port_id> pairs enclosed