Spdk/lib/nvme/nvme_ctrlr_cmd.c
Ben Walker 888014289c nvme: No longer abstract away pthread calls
pthreads are widely supported and are available on any
platform we currently foresee porting to. Use that API
instead of attempting to abstract it away to simplify
the code.

Change-Id: I822f9c10910020719e94cce6fca4e1600a2d9f2a
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2016-08-19 10:53:06 -07:00

539 lines
14 KiB
C

/*-
* 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.
*/
#include "nvme_internal.h"
int
spdk_nvme_ctrlr_cmd_io_raw(struct spdk_nvme_ctrlr *ctrlr,
struct spdk_nvme_qpair *qpair,
struct spdk_nvme_cmd *cmd,
void *buf, uint32_t len,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
req = nvme_allocate_request_contig(buf, len, cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
memcpy(&req->cmd, cmd, sizeof(req->cmd));
return nvme_qpair_submit_request(qpair, req);
}
int
spdk_nvme_ctrlr_cmd_admin_raw(struct spdk_nvme_ctrlr *ctrlr,
struct spdk_nvme_cmd *cmd,
void *buf, uint32_t len,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(buf, len, cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
memcpy(&req->cmd, cmd, sizeof(req->cmd));
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_identify_controller(struct spdk_nvme_ctrlr *ctrlr, void *payload,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_contig(payload,
sizeof(struct spdk_nvme_ctrlr_data),
cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_IDENTIFY;
/*
* TODO: create an identify command data structure, which
* includes this CNS bit in cdw10.
*/
cmd->cdw10 = SPDK_NVME_IDENTIFY_CTRLR;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_identify_namespace(struct spdk_nvme_ctrlr *ctrlr, uint16_t nsid,
void *payload, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_contig(payload,
sizeof(struct spdk_nvme_ns_data),
cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_IDENTIFY;
/*
* TODO: create an identify command data structure
*/
cmd->cdw10 = SPDK_NVME_IDENTIFY_NS;
cmd->nsid = nsid;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_create_io_cq(struct spdk_nvme_ctrlr *ctrlr,
struct spdk_nvme_qpair *io_que, spdk_nvme_cmd_cb cb_fn,
void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_CREATE_IO_CQ;
/*
* TODO: create a create io completion queue command data
* structure.
*/
cmd->cdw10 = ((io_que->num_entries - 1) << 16) | io_que->id;
/*
* 0x2 = interrupts enabled
* 0x1 = physically contiguous
*/
cmd->cdw11 = 0x1;
cmd->dptr.prp.prp1 = io_que->cpl_bus_addr;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_create_io_sq(struct spdk_nvme_ctrlr *ctrlr,
struct spdk_nvme_qpair *io_que, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_CREATE_IO_SQ;
/*
* TODO: create a create io submission queue command data
* structure.
*/
cmd->cdw10 = ((io_que->num_entries - 1) << 16) | io_que->id;
/* 0x1 = physically contiguous */
cmd->cdw11 = (io_que->id << 16) | (io_que->qprio << 1) | 0x1;
cmd->dptr.prp.prp1 = io_que->cmd_bus_addr;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_delete_io_cq(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_DELETE_IO_CQ;
cmd->cdw10 = qpair->id;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_delete_io_sq(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_DELETE_IO_SQ;
cmd->cdw10 = qpair->id;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_attach_ns(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
struct spdk_nvme_ctrlr_list *payload, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(payload, sizeof(struct spdk_nvme_ctrlr_list),
cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_NS_ATTACHMENT;
cmd->nsid = nsid;
cmd->cdw10 = SPDK_NVME_NS_CTRLR_ATTACH;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_detach_ns(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
struct spdk_nvme_ctrlr_list *payload, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(payload, sizeof(struct spdk_nvme_ctrlr_list),
cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_NS_ATTACHMENT;
cmd->nsid = nsid;
cmd->cdw10 = SPDK_NVME_NS_CTRLR_DETACH;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_create_ns(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_ns_data *payload,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(payload, sizeof(struct spdk_nvme_ns_data),
cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_NS_MANAGEMENT;
cmd->cdw10 = SPDK_NVME_NS_MANAGEMENT_CREATE;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_delete_ns(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid, spdk_nvme_cmd_cb cb_fn,
void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_NS_MANAGEMENT;
cmd->cdw10 = SPDK_NVME_NS_MANAGEMENT_DELETE;
cmd->nsid = nsid;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_format(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid, struct spdk_nvme_format *format,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_FORMAT_NVM;
cmd->nsid = nsid;
memcpy(&cmd->cdw10, format, sizeof(uint32_t));
nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return 0;
}
int
spdk_nvme_ctrlr_cmd_set_feature(struct spdk_nvme_ctrlr *ctrlr, uint8_t feature,
uint32_t cdw11, uint32_t cdw12, void *payload, uint32_t payload_size,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_SET_FEATURES;
cmd->cdw10 = feature;
cmd->cdw11 = cdw11;
cmd->cdw12 = cdw12;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
spdk_nvme_ctrlr_cmd_get_feature(struct spdk_nvme_ctrlr *ctrlr, uint8_t feature,
uint32_t cdw11, void *payload, uint32_t payload_size,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_GET_FEATURES;
cmd->cdw10 = feature;
cmd->cdw11 = cdw11;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_set_num_queues(struct spdk_nvme_ctrlr *ctrlr,
uint32_t num_queues, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
uint32_t cdw11;
cdw11 = ((num_queues - 1) << 16) | (num_queues - 1);
return spdk_nvme_ctrlr_cmd_set_feature(ctrlr, SPDK_NVME_FEAT_NUMBER_OF_QUEUES, cdw11, 0,
NULL, 0, cb_fn, cb_arg);
}
int
nvme_ctrlr_cmd_set_async_event_config(struct spdk_nvme_ctrlr *ctrlr,
union spdk_nvme_critical_warning_state state, spdk_nvme_cmd_cb cb_fn,
void *cb_arg)
{
uint32_t cdw11;
cdw11 = state.raw;
return spdk_nvme_ctrlr_cmd_set_feature(ctrlr, SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION, cdw11, 0,
NULL, 0,
cb_fn, cb_arg);
}
int
spdk_nvme_ctrlr_cmd_get_log_page(struct spdk_nvme_ctrlr *ctrlr, uint8_t log_page,
uint32_t nsid, void *payload, uint32_t payload_size, spdk_nvme_cmd_cb cb_fn,
void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(payload, payload_size, cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_GET_LOG_PAGE;
cmd->nsid = nsid;
cmd->cdw10 = ((payload_size / sizeof(uint32_t)) - 1) << 16;
cmd->cdw10 |= log_page;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_abort(struct spdk_nvme_ctrlr *ctrlr, uint16_t cid,
uint16_t sqid, spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_ABORT;
cmd->cdw10 = (cid << 16) | sqid;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
int
nvme_ctrlr_cmd_fw_commit(struct spdk_nvme_ctrlr *ctrlr,
const struct spdk_nvme_fw_commit *fw_commit,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_null(cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_FIRMWARE_COMMIT;
memcpy(&cmd->cdw10, fw_commit, sizeof(uint32_t));
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
int
nvme_ctrlr_cmd_fw_image_download(struct spdk_nvme_ctrlr *ctrlr,
uint32_t size, uint32_t offset, void *payload,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
pthread_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_contig(payload, size,
cb_fn, cb_arg);
if (req == NULL) {
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
cmd->cdw10 = (size >> 2) - 1;
cmd->cdw11 = offset >> 2;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
pthread_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}