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nvme/rdma: factor out NVMe-oF Property Get/Set

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These functions are generic and may be used for other NVMe-oF
transports.

Change-Id: Idb3aa30d9b0b1be7b60b85ab4911b28db35977a4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/416575
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Daniel Verkamp 2018-06-22 13:54:04 -07:00
parent fccd03b1f0
commit d81d3fa935
4 changed files with 149 additions and 82 deletions
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2
lib/nvme/Makefile
View File

@ -34,7 +34,7 @@
SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
C_SRCS = nvme_ctrlr_cmd.c nvme_ctrlr.c nvme_ns_cmd.c nvme_ns.c nvme_pcie.c nvme_qpair.c nvme.c nvme_quirks.c nvme_transport.c nvme_uevent.c nvme_ctrlr_ocssd_cmd.c \
C_SRCS = nvme_ctrlr_cmd.c nvme_ctrlr.c nvme_fabric.c nvme_ns_cmd.c nvme_ns.c nvme_pcie.c nvme_qpair.c nvme.c nvme_quirks.c nvme_transport.c nvme_uevent.c nvme_ctrlr_ocssd_cmd.c \
nvme_ns_ocssd_cmd.c
C_SRCS-$(CONFIG_RDMA) += nvme_rdma.c
LIBNAME = nvme

139
lib/nvme/nvme_fabric.c Normal file
View File

@ -0,0 +1,139 @@
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* NVMe over Fabrics transport-independent functions
*/
#include "nvme_internal.h"
static int
nvme_fabric_prop_set_cmd(struct spdk_nvme_ctrlr *ctrlr,
uint32_t offset, uint8_t size, uint64_t value)
{
struct spdk_nvmf_fabric_prop_set_cmd cmd = {};
struct nvme_completion_poll_status status;
int rc;
assert(size == SPDK_NVMF_PROP_SIZE_4 || size == SPDK_NVMF_PROP_SIZE_8);
cmd.opcode = SPDK_NVME_OPC_FABRIC;
cmd.fctype = SPDK_NVMF_FABRIC_COMMAND_PROPERTY_SET;
cmd.ofst = offset;
cmd.attrib.size = size;
cmd.value.u64 = value;
rc = spdk_nvme_ctrlr_cmd_admin_raw(ctrlr, (struct spdk_nvme_cmd *)&cmd,
NULL, 0,
nvme_completion_poll_cb, &status);
if (rc < 0) {
return rc;
}
if (spdk_nvme_wait_for_completion(ctrlr->adminq, &status)) {
SPDK_ERRLOG("Property Set failed\n");
return -1;
}
return 0;
}
static int
nvme_fabric_prop_get_cmd(struct spdk_nvme_ctrlr *ctrlr,
uint32_t offset, uint8_t size, uint64_t *value)
{
struct spdk_nvmf_fabric_prop_set_cmd cmd = {};
struct nvme_completion_poll_status status;
struct spdk_nvmf_fabric_prop_get_rsp *response;
int rc;
assert(size == SPDK_NVMF_PROP_SIZE_4 || size == SPDK_NVMF_PROP_SIZE_8);
cmd.opcode = SPDK_NVME_OPC_FABRIC;
cmd.fctype = SPDK_NVMF_FABRIC_COMMAND_PROPERTY_GET;
cmd.ofst = offset;
cmd.attrib.size = size;
rc = spdk_nvme_ctrlr_cmd_admin_raw(ctrlr, (struct spdk_nvme_cmd *)&cmd,
NULL, 0, nvme_completion_poll_cb,
&status);
if (rc < 0) {
return rc;
}
if (spdk_nvme_wait_for_completion(ctrlr->adminq, &status)) {
SPDK_ERRLOG("Property Get failed\n");
return -1;
}
response = (struct spdk_nvmf_fabric_prop_get_rsp *)&status.cpl;
if (size == SPDK_NVMF_PROP_SIZE_4) {
*value = response->value.u32.low;
} else {
*value = response->value.u64;
}
return 0;
}
int
nvme_fabric_ctrlr_set_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t value)
{
return nvme_fabric_prop_set_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_4, value);
}
int
nvme_fabric_ctrlr_set_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t value)
{
return nvme_fabric_prop_set_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_8, value);
}
int
nvme_fabric_ctrlr_get_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t *value)
{
uint64_t tmp_value;
int rc;
rc = nvme_fabric_prop_get_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_4, &tmp_value);
if (!rc) {
*value = (uint32_t)tmp_value;
}
return rc;
}
int
nvme_fabric_ctrlr_get_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t *value)
{
return nvme_fabric_prop_get_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_8, value);
}

5
lib/nvme/nvme_internal.h
View File

@ -680,6 +680,11 @@ int nvme_ns_construct(struct spdk_nvme_ns *ns, uint32_t id,
struct spdk_nvme_ctrlr *ctrlr);
void nvme_ns_destruct(struct spdk_nvme_ns *ns);
int nvme_fabric_ctrlr_set_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t value);
int nvme_fabric_ctrlr_set_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t value);
int nvme_fabric_ctrlr_get_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t *value);
int nvme_fabric_ctrlr_get_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t *value);
static inline struct nvme_request *
nvme_allocate_request(struct spdk_nvme_qpair *qpair,
const struct nvme_payload *payload, uint32_t payload_size,

85
lib/nvme/nvme_rdma.c
View File

@ -1003,76 +1003,6 @@ nvme_rdma_req_init(struct nvme_rdma_qpair *rqpair, struct nvme_request *req,
return 0;
}
static int
nvme_rdma_fabric_prop_set_cmd(struct spdk_nvme_ctrlr *ctrlr,
uint32_t offset, uint8_t size, uint64_t value)
{
struct spdk_nvmf_fabric_prop_set_cmd cmd = {};
struct nvme_completion_poll_status status;
int rc;
cmd.opcode = SPDK_NVME_OPC_FABRIC;
cmd.fctype = SPDK_NVMF_FABRIC_COMMAND_PROPERTY_SET;
cmd.ofst = offset;
cmd.attrib.size = size;
cmd.value.u64 = value;
rc = spdk_nvme_ctrlr_cmd_admin_raw(ctrlr, (struct spdk_nvme_cmd *)&cmd,
NULL, 0,
nvme_completion_poll_cb, &status);
if (rc < 0) {
SPDK_ERRLOG("failed to send nvmf_fabric_prop_set_cmd\n");
return -1;
}
if (spdk_nvme_wait_for_completion(ctrlr->adminq, &status)) {
SPDK_ERRLOG("nvme_rdma_fabric_prop_get_cmd failed\n");
return -1;
}
return 0;
}
static int
nvme_rdma_fabric_prop_get_cmd(struct spdk_nvme_ctrlr *ctrlr,
uint32_t offset, uint8_t size, uint64_t *value)
{
struct spdk_nvmf_fabric_prop_set_cmd cmd = {};
struct nvme_completion_poll_status status;
struct spdk_nvmf_fabric_prop_get_rsp *response;
int rc;
cmd.opcode = SPDK_NVME_OPC_FABRIC;
cmd.fctype = SPDK_NVMF_FABRIC_COMMAND_PROPERTY_GET;
cmd.ofst = offset;
cmd.attrib.size = size;
rc = spdk_nvme_ctrlr_cmd_admin_raw(ctrlr, (struct spdk_nvme_cmd *)&cmd,
NULL, 0, nvme_completion_poll_cb,
&status);
if (rc < 0) {
SPDK_ERRLOG("failed to send nvme_rdma_fabric_prop_get_cmd\n");
return -1;
}
if (spdk_nvme_wait_for_completion(ctrlr->adminq, &status)) {
SPDK_ERRLOG("nvme_rdma_fabric_prop_get_cmd failed\n");
return -1;
}
response = (struct spdk_nvmf_fabric_prop_get_rsp *)&status.cpl;
if (!size) {
*value = response->value.u32.low;
} else {
*value = response->value.u64;
}
return 0;
}
static struct spdk_nvme_qpair *
nvme_rdma_ctrlr_create_qpair(struct spdk_nvme_ctrlr *ctrlr,
uint16_t qid, uint32_t qsize,
@ -1424,32 +1354,25 @@ nvme_rdma_ctrlr_destruct(struct spdk_nvme_ctrlr *ctrlr)
int
nvme_rdma_ctrlr_set_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t value)
{
return nvme_rdma_fabric_prop_set_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_4, value);
return nvme_fabric_ctrlr_set_reg_4(ctrlr, offset, value);
}
int
nvme_rdma_ctrlr_set_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t value)
{
return nvme_rdma_fabric_prop_set_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_8, value);
return nvme_fabric_ctrlr_set_reg_8(ctrlr, offset, value);
}
int
nvme_rdma_ctrlr_get_reg_4(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint32_t *value)
{
uint64_t tmp_value;
int rc;
rc = nvme_rdma_fabric_prop_get_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_4, &tmp_value);
if (!rc) {
*value = (uint32_t)tmp_value;
}
return rc;
return nvme_fabric_ctrlr_get_reg_4(ctrlr, offset, value);
}
int
nvme_rdma_ctrlr_get_reg_8(struct spdk_nvme_ctrlr *ctrlr, uint32_t offset, uint64_t *value)
{
return nvme_rdma_fabric_prop_get_cmd(ctrlr, offset, SPDK_NVMF_PROP_SIZE_8, value);
return nvme_fabric_ctrlr_get_reg_8(ctrlr, offset, value);
}
int