2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2012-2013 Intel Corporation
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include "nvme_private.h"
35 nvme_ctrlr_cmd_identify_controller(struct nvme_controller *ctrlr, void *payload,
36 nvme_cb_fn_t cb_fn, void *cb_arg)
38 struct nvme_request *req;
39 struct nvme_command *cmd;
41 req = nvme_allocate_request_vaddr(payload,
42 sizeof(struct nvme_controller_data), cb_fn, cb_arg);
45 cmd->opc = NVME_OPC_IDENTIFY;
48 * TODO: create an identify command data structure, which
49 * includes this CNS bit in cdw10.
53 nvme_ctrlr_submit_admin_request(ctrlr, req);
57 nvme_ctrlr_cmd_identify_namespace(struct nvme_controller *ctrlr, uint32_t nsid,
58 void *payload, nvme_cb_fn_t cb_fn, void *cb_arg)
60 struct nvme_request *req;
61 struct nvme_command *cmd;
63 req = nvme_allocate_request_vaddr(payload,
64 sizeof(struct nvme_namespace_data), cb_fn, cb_arg);
67 cmd->opc = NVME_OPC_IDENTIFY;
70 * TODO: create an identify command data structure
74 nvme_ctrlr_submit_admin_request(ctrlr, req);
78 nvme_ctrlr_cmd_create_io_cq(struct nvme_controller *ctrlr,
79 struct nvme_qpair *io_que, uint16_t vector, nvme_cb_fn_t cb_fn,
82 struct nvme_request *req;
83 struct nvme_command *cmd;
85 req = nvme_allocate_request_null(cb_fn, cb_arg);
88 cmd->opc = NVME_OPC_CREATE_IO_CQ;
91 * TODO: create a create io completion queue command data
94 cmd->cdw10 = ((io_que->num_entries-1) << 16) | io_que->id;
95 /* 0x3 = interrupts enabled | physically contiguous */
96 cmd->cdw11 = (vector << 16) | 0x3;
97 cmd->prp1 = io_que->cpl_bus_addr;
99 nvme_ctrlr_submit_admin_request(ctrlr, req);
103 nvme_ctrlr_cmd_create_io_sq(struct nvme_controller *ctrlr,
104 struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
106 struct nvme_request *req;
107 struct nvme_command *cmd;
109 req = nvme_allocate_request_null(cb_fn, cb_arg);
112 cmd->opc = NVME_OPC_CREATE_IO_SQ;
115 * TODO: create a create io submission queue command data
118 cmd->cdw10 = ((io_que->num_entries-1) << 16) | io_que->id;
119 /* 0x1 = physically contiguous */
120 cmd->cdw11 = (io_que->id << 16) | 0x1;
121 cmd->prp1 = io_que->cmd_bus_addr;
123 nvme_ctrlr_submit_admin_request(ctrlr, req);
127 nvme_ctrlr_cmd_delete_io_cq(struct nvme_controller *ctrlr,
128 struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
130 struct nvme_request *req;
131 struct nvme_command *cmd;
133 req = nvme_allocate_request_null(cb_fn, cb_arg);
136 cmd->opc = NVME_OPC_DELETE_IO_CQ;
139 * TODO: create a delete io completion queue command data
142 cmd->cdw10 = io_que->id;
144 nvme_ctrlr_submit_admin_request(ctrlr, req);
148 nvme_ctrlr_cmd_delete_io_sq(struct nvme_controller *ctrlr,
149 struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
151 struct nvme_request *req;
152 struct nvme_command *cmd;
154 req = nvme_allocate_request_null(cb_fn, cb_arg);
157 cmd->opc = NVME_OPC_DELETE_IO_SQ;
160 * TODO: create a delete io submission queue command data
163 cmd->cdw10 = io_que->id;
165 nvme_ctrlr_submit_admin_request(ctrlr, req);
169 nvme_ctrlr_cmd_set_feature(struct nvme_controller *ctrlr, uint8_t feature,
170 uint32_t cdw11, void *payload, uint32_t payload_size,
171 nvme_cb_fn_t cb_fn, void *cb_arg)
173 struct nvme_request *req;
174 struct nvme_command *cmd;
176 req = nvme_allocate_request_null(cb_fn, cb_arg);
179 cmd->opc = NVME_OPC_SET_FEATURES;
180 cmd->cdw10 = feature;
183 nvme_ctrlr_submit_admin_request(ctrlr, req);
187 nvme_ctrlr_cmd_get_feature(struct nvme_controller *ctrlr, uint8_t feature,
188 uint32_t cdw11, void *payload, uint32_t payload_size,
189 nvme_cb_fn_t cb_fn, void *cb_arg)
191 struct nvme_request *req;
192 struct nvme_command *cmd;
194 req = nvme_allocate_request_null(cb_fn, cb_arg);
197 cmd->opc = NVME_OPC_GET_FEATURES;
198 cmd->cdw10 = feature;
201 nvme_ctrlr_submit_admin_request(ctrlr, req);
205 nvme_ctrlr_cmd_set_num_queues(struct nvme_controller *ctrlr,
206 uint32_t num_queues, nvme_cb_fn_t cb_fn, void *cb_arg)
210 cdw11 = ((num_queues - 1) << 16) | (num_queues - 1);
211 nvme_ctrlr_cmd_set_feature(ctrlr, NVME_FEAT_NUMBER_OF_QUEUES, cdw11,
212 NULL, 0, cb_fn, cb_arg);
216 nvme_ctrlr_cmd_set_async_event_config(struct nvme_controller *ctrlr,
217 union nvme_critical_warning_state state, nvme_cb_fn_t cb_fn,
223 nvme_ctrlr_cmd_set_feature(ctrlr,
224 NVME_FEAT_ASYNC_EVENT_CONFIGURATION, cdw11, NULL, 0, cb_fn,
229 nvme_ctrlr_cmd_set_interrupt_coalescing(struct nvme_controller *ctrlr,
230 uint32_t microseconds, uint32_t threshold, nvme_cb_fn_t cb_fn, void *cb_arg)
234 if ((microseconds/100) >= 0x100) {
235 nvme_printf(ctrlr, "invalid coal time %d, disabling\n",
241 if (threshold >= 0x100) {
242 nvme_printf(ctrlr, "invalid threshold %d, disabling\n",
248 cdw11 = ((microseconds/100) << 8) | threshold;
249 nvme_ctrlr_cmd_set_feature(ctrlr, NVME_FEAT_INTERRUPT_COALESCING, cdw11,
250 NULL, 0, cb_fn, cb_arg);
254 nvme_ctrlr_cmd_get_log_page(struct nvme_controller *ctrlr, uint8_t log_page,
255 uint32_t nsid, void *payload, uint32_t payload_size, nvme_cb_fn_t cb_fn,
258 struct nvme_request *req;
259 struct nvme_command *cmd;
261 req = nvme_allocate_request_vaddr(payload, payload_size, cb_fn, cb_arg);
264 cmd->opc = NVME_OPC_GET_LOG_PAGE;
266 cmd->cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
267 cmd->cdw10 |= log_page;
269 nvme_ctrlr_submit_admin_request(ctrlr, req);
273 nvme_ctrlr_cmd_get_error_page(struct nvme_controller *ctrlr,
274 struct nvme_error_information_entry *payload, uint32_t num_entries,
275 nvme_cb_fn_t cb_fn, void *cb_arg)
278 KASSERT(num_entries > 0, ("%s called with num_entries==0\n", __func__));
280 /* Controller's error log page entries is 0-based. */
281 KASSERT(num_entries <= (ctrlr->cdata.elpe + 1),
282 ("%s called with num_entries=%d but (elpe+1)=%d\n", __func__,
283 num_entries, ctrlr->cdata.elpe + 1));
285 if (num_entries > (ctrlr->cdata.elpe + 1))
286 num_entries = ctrlr->cdata.elpe + 1;
288 nvme_ctrlr_cmd_get_log_page(ctrlr, NVME_LOG_ERROR,
289 NVME_GLOBAL_NAMESPACE_TAG, payload, sizeof(*payload) * num_entries,
294 nvme_ctrlr_cmd_get_health_information_page(struct nvme_controller *ctrlr,
295 uint32_t nsid, struct nvme_health_information_page *payload,
296 nvme_cb_fn_t cb_fn, void *cb_arg)
299 nvme_ctrlr_cmd_get_log_page(ctrlr, NVME_LOG_HEALTH_INFORMATION,
300 nsid, payload, sizeof(*payload), cb_fn, cb_arg);
304 nvme_ctrlr_cmd_get_firmware_page(struct nvme_controller *ctrlr,
305 struct nvme_firmware_page *payload, nvme_cb_fn_t cb_fn, void *cb_arg)
308 nvme_ctrlr_cmd_get_log_page(ctrlr, NVME_LOG_FIRMWARE_SLOT,
309 NVME_GLOBAL_NAMESPACE_TAG, payload, sizeof(*payload), cb_fn,
314 nvme_ctrlr_cmd_abort(struct nvme_controller *ctrlr, uint16_t cid,
315 uint16_t sqid, nvme_cb_fn_t cb_fn, void *cb_arg)
317 struct nvme_request *req;
318 struct nvme_command *cmd;
320 req = nvme_allocate_request_null(cb_fn, cb_arg);
323 cmd->opc = NVME_OPC_ABORT;
324 cmd->cdw10 = (cid << 16) | sqid;
326 nvme_ctrlr_submit_admin_request(ctrlr, req);