admin-cmd.c (546121b65f47384e11ec1fa2e55449fc9f4846b2) admin-cmd.c (013b7ebe5a0d70e2a02fd225174595e79c591b3e)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * NVMe admin command implementation.
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
5 */
6#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7#include <linux/module.h>
8#include <linux/rculist.h>

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317 return nvmet_execute_get_log_page_ana(req);
318 }
319 pr_err("unhandled lid %d on qid %d\n",
320 req->cmd->get_log_page.lid, req->sq->qid);
321 req->error_loc = offsetof(struct nvme_get_log_page_command, lid);
322 nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
323}
324
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * NVMe admin command implementation.
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
5 */
6#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7#include <linux/module.h>
8#include <linux/rculist.h>

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317 return nvmet_execute_get_log_page_ana(req);
318 }
319 pr_err("unhandled lid %d on qid %d\n",
320 req->cmd->get_log_page.lid, req->sq->qid);
321 req->error_loc = offsetof(struct nvme_get_log_page_command, lid);
322 nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
323}
324
325static void nvmet_id_set_model_number(struct nvme_id_ctrl *id,
326 struct nvmet_subsys *subsys)
327{
328 const char *model = NVMET_DEFAULT_CTRL_MODEL;
329 struct nvmet_subsys_model *subsys_model;
330
331 rcu_read_lock();
332 subsys_model = rcu_dereference(subsys->model);
333 if (subsys_model)
334 model = subsys_model->number;
335 memcpy_and_pad(id->mn, sizeof(id->mn), model, strlen(model), ' ');
336 rcu_read_unlock();
337}
338
325static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
326{
327 struct nvmet_ctrl *ctrl = req->sq->ctrl;
328 struct nvme_id_ctrl *id;
329 u16 status = 0;
339static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
340{
341 struct nvmet_ctrl *ctrl = req->sq->ctrl;
342 struct nvme_id_ctrl *id;
343 u16 status = 0;
330 const char model[] = "Linux";
331
332 id = kzalloc(sizeof(*id), GFP_KERNEL);
333 if (!id) {
334 status = NVME_SC_INTERNAL;
335 goto out;
336 }
337
338 /* XXX: figure out how to assign real vendors IDs. */
339 id->vid = 0;
340 id->ssvid = 0;
341
342 memset(id->sn, ' ', sizeof(id->sn));
343 bin2hex(id->sn, &ctrl->subsys->serial,
344 min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
344
345 id = kzalloc(sizeof(*id), GFP_KERNEL);
346 if (!id) {
347 status = NVME_SC_INTERNAL;
348 goto out;
349 }
350
351 /* XXX: figure out how to assign real vendors IDs. */
352 id->vid = 0;
353 id->ssvid = 0;
354
355 memset(id->sn, ' ', sizeof(id->sn));
356 bin2hex(id->sn, &ctrl->subsys->serial,
357 min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2));
345 memcpy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1, ' ');
358 nvmet_id_set_model_number(id, ctrl->subsys);
346 memcpy_and_pad(id->fr, sizeof(id->fr),
347 UTS_RELEASE, strlen(UTS_RELEASE), ' ');
348
349 id->rab = 6;
350
351 /*
352 * XXX: figure out how we can assign a IEEE OUI, but until then
353 * the safest is to leave it as zeroes.

--- 576 unchanged lines hidden --- 		359 memcpy_and_pad(id->fr, sizeof(id->fr),
360 UTS_RELEASE, strlen(UTS_RELEASE), ' ');
361
362 id->rab = 6;
363
364 /*
365 * XXX: figure out how we can assign a IEEE OUI, but until then
366 * the safest is to leave it as zeroes.

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