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nvmf: refactor controller creation

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Simplify the initialization of controller identify data and properties.
This is mostly common between discovery and NVM subsystems.

Change-Id: Id8074d5260213e32892fd77845884a80071c9d88
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/374534
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Daniel Verkamp 2017-08-16 14:03:42 -07:00
parent d7e194f235
commit 2d1a2926c5
7 changed files with 141 additions and 189 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

258
lib/nvmf/ctrlr.c
View File

@ -41,34 +41,68 @@
#include "spdk/trace.h"
#include "spdk/nvme_spec.h"
#include "spdk/string.h"
#include "spdk/util.h"
#include "spdk_internal/log.h"
#define MIN_KEEP_ALIVE_TIMEOUT 10000
static void
nvmf_init_discovery_ctrlr_properties(struct spdk_nvmf_ctrlr *ctrlr)
#define MODEL_NUMBER "SPDK bdev Controller"
#define FW_VERSION "FFFFFFFF"
static uint16_t spdk_nvmf_ctrlr_gen_cntlid(void);
static struct spdk_nvmf_ctrlr *
spdk_nvmf_ctrlr_create(struct spdk_nvmf_subsystem *subsystem,
struct spdk_nvmf_qpair *admin_qpair,
struct spdk_nvmf_fabric_connect_cmd *connect_cmd,
struct spdk_nvmf_fabric_connect_data *connect_data)
{
ctrlr->vcdata.maxcmd = g_nvmf_tgt.max_queue_depth;
/* extended data for get log page supportted */
ctrlr->vcdata.lpa.edlp = 1;
ctrlr->vcdata.cntlid = ctrlr->cntlid;
ctrlr->vcdata.nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16;
ctrlr->vcdata.nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16;
ctrlr->vcdata.nvmf_specific.icdoff = 0; /* offset starts directly after SQE */
ctrlr->vcdata.nvmf_specific.ctrattr.ctrlr_model = SPDK_NVMF_CTRLR_MODEL_DYNAMIC;
ctrlr->vcdata.nvmf_specific.msdbd = 1; /* target supports single SGL in capsule */
ctrlr->vcdata.sgls.keyed_sgl = 1;
ctrlr->vcdata.sgls.sgl_offset = 1;
struct spdk_nvmf_ctrlr *ctrlr;
strncpy((char *)ctrlr->vcdata.subnqn, SPDK_NVMF_DISCOVERY_NQN, sizeof(ctrlr->vcdata.subnqn));
ctrlr = calloc(1, sizeof(*ctrlr));
if (ctrlr == NULL) {
SPDK_ERRLOG("Memory allocation failed\n");
return NULL;
}
ctrlr->group = spdk_nvmf_transport_poll_group_create(admin_qpair->transport);
if (ctrlr->group == NULL) {
SPDK_ERRLOG("spdk_nvmf_transport_poll_group_create() failed\n");
free(ctrlr);
return NULL;
}
ctrlr->cntlid = spdk_nvmf_ctrlr_gen_cntlid();
if (ctrlr->cntlid == 0) {
/* Unable to get a cntlid */
SPDK_ERRLOG("Reached max simultaneous ctrlrs\n");
spdk_nvmf_transport_poll_group_destroy(ctrlr->group);
free(ctrlr);
return NULL;
}
TAILQ_INIT(&ctrlr->qpairs);
ctrlr->kato = connect_cmd->kato;
ctrlr->async_event_config.raw = 0;
ctrlr->num_qpairs = 0;
ctrlr->subsys = subsystem;
ctrlr->max_qpairs_allowed = g_nvmf_tgt.max_qpairs_per_ctrlr;
memcpy(ctrlr->hostid, connect_data->hostid, sizeof(ctrlr->hostid));
if (spdk_nvmf_transport_poll_group_add(ctrlr->group, admin_qpair)) {
spdk_nvmf_transport_poll_group_destroy(ctrlr->group);
free(ctrlr);
return NULL;
}
/* Properties */
ctrlr->vcprop.cap.raw = 0;
ctrlr->vcprop.cap.bits.cqr = 1; /* NVMe-oF specification required */
ctrlr->vcprop.cap.bits.mqes = ctrlr->vcdata.maxcmd - 1; /* max queue depth */
ctrlr->vcprop.cap.bits.mqes = g_nvmf_tgt.max_queue_depth - 1; /* max queue depth */
ctrlr->vcprop.cap.bits.ams = 0; /* optional arb mechanisms */
ctrlr->vcprop.cap.bits.to = 1; /* ready timeout - 500 msec units */
ctrlr->vcprop.cap.bits.dstrd = 0; /* fixed to 0 for NVMe-oF */
ctrlr->vcprop.cap.bits.css_nvm = 1; /* NVM command set */
ctrlr->vcprop.cap.bits.mpsmin = 0; /* 2 ^ (12 + mpsmin) == 4k */
@ -78,73 +112,6 @@ nvmf_init_discovery_ctrlr_properties(struct spdk_nvmf_ctrlr *ctrlr)
ctrlr->vcprop.vs.bits.mjr = 1;
ctrlr->vcprop.vs.bits.mnr = 2;
ctrlr->vcprop.vs.bits.ter = 1;
ctrlr->vcdata.ver = ctrlr->vcprop.vs;
ctrlr->vcprop.cc.raw = 0;
ctrlr->vcprop.csts.raw = 0;
ctrlr->vcprop.csts.bits.rdy = 0; /* Init controller as not ready */
}
static void
nvmf_init_nvme_ctrlr_properties(struct spdk_nvmf_ctrlr *ctrlr)
{
assert((g_nvmf_tgt.max_io_size % 4096) == 0);
/* Init the controller details */
ctrlr->subsys->ops->ctrlr_get_data(ctrlr);
ctrlr->vcdata.aerl = 0;
ctrlr->vcdata.cntlid = ctrlr->cntlid;
ctrlr->vcdata.kas = 10;
ctrlr->vcdata.maxcmd = g_nvmf_tgt.max_queue_depth;
ctrlr->vcdata.mdts = spdk_u32log2(g_nvmf_tgt.max_io_size / 4096);
ctrlr->vcdata.sgls.keyed_sgl = 1;
ctrlr->vcdata.sgls.sgl_offset = 1;
ctrlr->vcdata.nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16;
ctrlr->vcdata.nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16;
ctrlr->vcdata.nvmf_specific.icdoff = 0; /* offset starts directly after SQE */
ctrlr->vcdata.nvmf_specific.ctrattr.ctrlr_model = SPDK_NVMF_CTRLR_MODEL_DYNAMIC;
ctrlr->vcdata.nvmf_specific.msdbd = 1; /* target supports single SGL in capsule */
/* TODO: this should be set by the transport */
ctrlr->vcdata.nvmf_specific.ioccsz += g_nvmf_tgt.in_capsule_data_size / 16;
strncpy((char *)ctrlr->vcdata.subnqn, ctrlr->subsys->subnqn, sizeof(ctrlr->vcdata.subnqn));
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ctrlr data: maxcmd %x\n",
ctrlr->vcdata.maxcmd);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ext ctrlr data: ioccsz %x\n",
ctrlr->vcdata.nvmf_specific.ioccsz);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ext ctrlr data: iorcsz %x\n",
ctrlr->vcdata.nvmf_specific.iorcsz);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ext ctrlr data: icdoff %x\n",
ctrlr->vcdata.nvmf_specific.icdoff);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ext ctrlr data: ctrattr %x\n",
*(uint8_t *)&ctrlr->vcdata.nvmf_specific.ctrattr);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " ext ctrlr data: msdbd %x\n",
ctrlr->vcdata.nvmf_specific.msdbd);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " sgls data: 0x%x\n",
*(uint32_t *)&ctrlr->vcdata.sgls);
ctrlr->vcprop.cap.raw = 0;
ctrlr->vcprop.cap.bits.cqr = 1;
ctrlr->vcprop.cap.bits.mqes = ctrlr->vcdata.maxcmd - 1; /* max queue depth */
ctrlr->vcprop.cap.bits.ams = 0; /* optional arb mechanisms */
ctrlr->vcprop.cap.bits.to = 1; /* ready timeout - 500 msec units */
ctrlr->vcprop.cap.bits.dstrd = 0; /* fixed to 0 for NVMe-oF */
ctrlr->vcprop.cap.bits.css_nvm = 1; /* NVM command set */
ctrlr->vcprop.cap.bits.mpsmin = 0; /* 2 ^ (12 + mpsmin) == 4k */
ctrlr->vcprop.cap.bits.mpsmax = 0; /* 2 ^ (12 + mpsmax) == 4k */
/* Report at least version 1.2.1 */
if (ctrlr->vcprop.vs.raw < SPDK_NVME_VERSION(1, 2, 1)) {
ctrlr->vcprop.vs.bits.mjr = 1;
ctrlr->vcprop.vs.bits.mnr = 2;
ctrlr->vcprop.vs.bits.ter = 1;
ctrlr->vcdata.ver = ctrlr->vcprop.vs;
}
ctrlr->vcprop.cc.raw = 0;
ctrlr->vcprop.cc.bits.en = 0; /* Init controller disabled */
@ -152,12 +119,78 @@ nvmf_init_nvme_ctrlr_properties(struct spdk_nvmf_ctrlr *ctrlr)
ctrlr->vcprop.csts.raw = 0;
ctrlr->vcprop.csts.bits.rdy = 0; /* Init controller as not ready */
SPDK_TRACELOG(SPDK_TRACE_NVMF, " cap %" PRIx64 "\n",
ctrlr->vcprop.cap.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " vs %x\n", ctrlr->vcprop.vs.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " cc %x\n", ctrlr->vcprop.cc.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, " csts %x\n",
ctrlr->vcprop.csts.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "cap 0x%" PRIx64 "\n", ctrlr->vcprop.cap.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "vs 0x%x\n", ctrlr->vcprop.vs.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "cc 0x%x\n", ctrlr->vcprop.cc.raw);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "csts 0x%x\n", ctrlr->vcprop.csts.raw);
/*
* Common fields for discovery and NVM subsystems
*/
spdk_strcpy_pad(ctrlr->vcdata.fr, FW_VERSION, sizeof(ctrlr->vcdata.fr), ' ');
assert((g_nvmf_tgt.max_io_size % 4096) == 0);
ctrlr->vcdata.mdts = spdk_u32log2(g_nvmf_tgt.max_io_size / 4096);
ctrlr->vcdata.cntlid = ctrlr->cntlid;
ctrlr->vcdata.ver = ctrlr->vcprop.vs;
ctrlr->vcdata.lpa.edlp = 1;
ctrlr->vcdata.elpe = 127;
ctrlr->vcdata.maxcmd = g_nvmf_tgt.max_queue_depth;
ctrlr->vcdata.sgls.supported = 1;
ctrlr->vcdata.sgls.keyed_sgl = 1;
ctrlr->vcdata.sgls.sgl_offset = 1;
spdk_strcpy_pad(ctrlr->vcdata.subnqn, subsystem->subnqn, sizeof(ctrlr->vcdata.subnqn), '\0');
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ctrlr data: maxcmd 0x%x\n", ctrlr->vcdata.maxcmd);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "sgls data: 0x%x\n", *(uint32_t *)&ctrlr->vcdata.sgls);
/*
* NVM subsystem fields (reserved for discovery subsystems)
*/
if (subsystem->subtype == SPDK_NVMF_SUBTYPE_NVME) {
spdk_strcpy_pad(ctrlr->vcdata.mn, MODEL_NUMBER, sizeof(ctrlr->vcdata.mn), ' ');
spdk_strcpy_pad(ctrlr->vcdata.sn, spdk_nvmf_subsystem_get_sn(subsystem),
sizeof(ctrlr->vcdata.sn), ' ');
ctrlr->vcdata.aerl = 0;
ctrlr->vcdata.kas = 10;
ctrlr->vcdata.rab = 6;
ctrlr->vcdata.ctratt.host_id_exhid_supported = 1;
ctrlr->vcdata.aerl = 0;
ctrlr->vcdata.frmw.slot1_ro = 1;
ctrlr->vcdata.frmw.num_slots = 1;
ctrlr->vcdata.sqes.min = 6;
ctrlr->vcdata.sqes.max = 6;
ctrlr->vcdata.cqes.min = 4;
ctrlr->vcdata.cqes.max = 4;
ctrlr->vcdata.nn = subsystem->dev.max_nsid;
ctrlr->vcdata.vwc.present = 1;
ctrlr->vcdata.nvmf_specific.ioccsz = sizeof(struct spdk_nvme_cmd) / 16;
ctrlr->vcdata.nvmf_specific.iorcsz = sizeof(struct spdk_nvme_cpl) / 16;
ctrlr->vcdata.nvmf_specific.icdoff = 0; /* offset starts directly after SQE */
ctrlr->vcdata.nvmf_specific.ctrattr.ctrlr_model = SPDK_NVMF_CTRLR_MODEL_DYNAMIC;
ctrlr->vcdata.nvmf_specific.msdbd = 1; /* target supports single SGL in capsule */
/* TODO: this should be set by the transport */
ctrlr->vcdata.nvmf_specific.ioccsz += g_nvmf_tgt.in_capsule_data_size / 16;
spdk_nvmf_ctrlr_set_dsm(ctrlr);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ext ctrlr data: ioccsz 0x%x\n",
ctrlr->vcdata.nvmf_specific.ioccsz);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ext ctrlr data: iorcsz 0x%x\n",
ctrlr->vcdata.nvmf_specific.iorcsz);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ext ctrlr data: icdoff 0x%x\n",
ctrlr->vcdata.nvmf_specific.icdoff);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ext ctrlr data: ctrattr 0x%x\n",
*(uint8_t *)&ctrlr->vcdata.nvmf_specific.ctrattr);
SPDK_TRACELOG(SPDK_TRACE_NVMF, "ext ctrlr data: msdbd 0x%x\n",
ctrlr->vcdata.nvmf_specific.msdbd);
}
TAILQ_INSERT_TAIL(&subsystem->ctrlrs, ctrlr, link);
return ctrlr;
}
static void ctrlr_destruct(struct spdk_nvmf_ctrlr *ctrlr)
@ -289,55 +322,12 @@ spdk_nvmf_ctrlr_connect(struct spdk_nvmf_qpair *qpair,
}
/* Establish a new ctrlr */
ctrlr = calloc(1, sizeof(*ctrlr));
ctrlr = spdk_nvmf_ctrlr_create(subsystem, qpair, cmd, data);
if (!ctrlr) {
SPDK_ERRLOG("Memory allocation failure\n");
SPDK_ERRLOG("spdk_nvmf_ctrlr_create() failed\n");
rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
return;
}
ctrlr->group = spdk_nvmf_transport_poll_group_create(qpair->transport);
if (ctrlr->group == NULL) {
SPDK_ERRLOG("Memory allocation failure\n");
rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
free(ctrlr);
return;
}
TAILQ_INIT(&ctrlr->qpairs);
ctrlr->cntlid = spdk_nvmf_ctrlr_gen_cntlid();
if (ctrlr->cntlid == 0) {
/* Unable to get a cntlid */
SPDK_ERRLOG("Reached max simultaneous ctrlrs\n");
rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
spdk_nvmf_transport_poll_group_destroy(ctrlr->group);
free(ctrlr);
return;
}
ctrlr->kato = cmd->kato;
ctrlr->async_event_config.raw = 0;
ctrlr->num_qpairs = 0;
ctrlr->subsys = subsystem;
ctrlr->max_qpairs_allowed = g_nvmf_tgt.max_qpairs_per_ctrlr;
memcpy(ctrlr->hostid, data->hostid, sizeof(ctrlr->hostid));
if (spdk_nvmf_transport_poll_group_add(ctrlr->group, qpair)) {
rsp->status.sc = SPDK_NVME_SC_INTERNAL_DEVICE_ERROR;
spdk_nvmf_transport_poll_group_destroy(ctrlr->group);
free(ctrlr);
return;
}
if (subsystem->subtype == SPDK_NVMF_SUBTYPE_NVME) {
nvmf_init_nvme_ctrlr_properties(ctrlr);
} else {
nvmf_init_discovery_ctrlr_properties(ctrlr);
}
TAILQ_INSERT_TAIL(&subsystem->ctrlrs, ctrlr, link);
} else {
struct spdk_nvmf_ctrlr *tmp;

2
lib/nvmf/ctrlr.h
View File

@ -134,4 +134,6 @@ int spdk_nvmf_ctrlr_get_features_async_event_configuration(struct spdk_nvmf_requ
int spdk_nvmf_ctrlr_async_event_request(struct spdk_nvmf_request *req);
void spdk_nvmf_ctrlr_set_dsm(struct spdk_nvmf_ctrlr *ctrlr);
#endif

39
lib/nvmf/ctrlr_bdev.c
View File

@ -49,9 +49,6 @@
#include "spdk_internal/log.h"
#define MODEL_NUMBER "SPDK bdev Controller"
#define FW_VERSION "FFFFFFFF"
/* read command dword 12 */
struct __attribute__((packed)) nvme_read_cdw12 {
uint16_t nlb; /* number of logical blocks */
@ -61,7 +58,8 @@ struct __attribute__((packed)) nvme_read_cdw12 {
uint8_t lr : 1; /* limited retry */
};
static void nvmf_bdev_set_dsm(struct spdk_nvmf_ctrlr *ctrlr)
void
spdk_nvmf_ctrlr_set_dsm(struct spdk_nvmf_ctrlr *ctrlr)
{
uint32_t i;
@ -85,38 +83,6 @@ static void nvmf_bdev_set_dsm(struct spdk_nvmf_ctrlr *ctrlr)
ctrlr->vcdata.oncs.dsm = 1;
}
static void
nvmf_bdev_ctrlr_get_data(struct spdk_nvmf_ctrlr *ctrlr)
{
struct spdk_nvmf_subsystem *subsys = ctrlr->subsys;
memset(&ctrlr->vcdata, 0, sizeof(struct spdk_nvme_ctrlr_data));
spdk_strcpy_pad(ctrlr->vcdata.fr, FW_VERSION, sizeof(ctrlr->vcdata.fr), ' ');
spdk_strcpy_pad(ctrlr->vcdata.mn, MODEL_NUMBER, sizeof(ctrlr->vcdata.mn), ' ');
spdk_strcpy_pad(ctrlr->vcdata.sn, spdk_nvmf_subsystem_get_sn(subsys),
sizeof(ctrlr->vcdata.sn), ' ');
ctrlr->vcdata.rab = 6;
ctrlr->vcdata.ver.bits.mjr = 1;
ctrlr->vcdata.ver.bits.mnr = 2;
ctrlr->vcdata.ver.bits.ter = 1;
ctrlr->vcdata.ctratt.host_id_exhid_supported = 1;
ctrlr->vcdata.aerl = 0;
ctrlr->vcdata.frmw.slot1_ro = 1;
ctrlr->vcdata.frmw.num_slots = 1;
ctrlr->vcdata.lpa.edlp = 1;
ctrlr->vcdata.elpe = 127;
ctrlr->vcdata.sqes.min = 0x06;
ctrlr->vcdata.sqes.max = 0x06;
ctrlr->vcdata.cqes.min = 0x04;
ctrlr->vcdata.cqes.max = 0x04;
ctrlr->vcdata.maxcmd = 1024;
ctrlr->vcdata.nn = subsys->dev.max_nsid;
ctrlr->vcdata.vwc.present = 1;
ctrlr->vcdata.sgls.supported = 1;
strncpy(ctrlr->vcdata.subnqn, ctrlr->subsys->subnqn, sizeof(ctrlr->vcdata.subnqn));
nvmf_bdev_set_dsm(ctrlr);
}
static void
nvmf_bdev_ctrlr_poll_for_completions(struct spdk_nvmf_subsystem *subsystem)
{
@ -692,7 +658,6 @@ nvmf_bdev_ctrlr_detach(struct spdk_nvmf_subsystem *subsystem)
const struct spdk_nvmf_ctrlr_ops spdk_nvmf_bdev_ctrlr_ops = {
.attach = nvmf_bdev_ctrlr_attach,
.ctrlr_get_data = nvmf_bdev_ctrlr_get_data,
.process_admin_cmd = nvmf_bdev_ctrlr_process_admin_cmd,
.process_io_cmd = nvmf_bdev_ctrlr_process_io_cmd,
.poll_for_completions = nvmf_bdev_ctrlr_poll_for_completions,

6
lib/nvmf/ctrlr_discovery.c
View File

@ -224,11 +224,6 @@ nvmf_discovery_ctrlr_process_io_cmd(struct spdk_nvmf_request *req)
abort();
}
static void
nvmf_discovery_ctrlr_get_data(struct spdk_nvmf_ctrlr *ctrlr)
{
}
static void
nvmf_discovery_ctrlr_detach(struct spdk_nvmf_subsystem *subsystem)
{
@ -242,7 +237,6 @@ nvmf_discovery_ctrlr_attach(struct spdk_nvmf_subsystem *subsystem)
const struct spdk_nvmf_ctrlr_ops spdk_nvmf_discovery_ctrlr_ops = {
.attach = nvmf_discovery_ctrlr_attach,
.ctrlr_get_data = nvmf_discovery_ctrlr_get_data,
.process_admin_cmd = nvmf_discovery_ctrlr_process_admin_cmd,
.process_io_cmd = nvmf_discovery_ctrlr_process_io_cmd,
.detach = nvmf_discovery_ctrlr_detach,

5
lib/nvmf/nvmf_internal.h
View File

@ -50,11 +50,6 @@ struct spdk_nvmf_ctrlr_ops {
*/
int (*attach)(struct spdk_nvmf_subsystem *subsystem);
/**
* Get NVMe identify controller data.
*/
void (*ctrlr_get_data)(struct spdk_nvmf_ctrlr *ctrlr);
/**
* Process admin command.
*/

13
test/unit/lib/nvmf/ctrlr.c/ctrlr_ut.c
View File

@ -95,6 +95,19 @@ spdk_nvmf_transport_qpair_poll(struct spdk_nvmf_qpair *qpair)
return 0;
}
const char *
spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
{
abort();
return NULL;
}
void
spdk_nvmf_ctrlr_set_dsm(struct spdk_nvmf_ctrlr *ctrlr)
{
abort();
}
static void
test_foobar(void)
{

7
test/unit/lib/nvmf/ctrlr_bdev.c/ctrlr_bdev_ut.c
View File

@ -214,13 +214,6 @@ const char *spdk_nvmf_subsystem_get_nqn(struct spdk_nvmf_subsystem *subsystem)
return NULL;
}
const char *
spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
{
abort();
return NULL;
}
void spdk_bdev_io_get_nvme_status(const struct spdk_bdev_io *bdev_io, int *sct, int *sc)
{
}