nvme.h (a6a5149b10ec8ab8b4a9479a8230265c1b573be0) nvme.h (c5017e85705bfea721732e153305d1988ff965c2)
1/*
2 * Copyright (c) 2011-2014, Intel Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT

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133 struct blk_mq_tag_set *admin_tagset;
134 struct list_head namespaces;
135 struct mutex namespaces_mutex;
136 struct device ctrl_device;
137 struct device *device; /* char device */
138 struct cdev cdev;
139 struct ida ns_ida;
140 struct work_struct reset_work;
1/*
2 * Copyright (c) 2011-2014, Intel Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT

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133 struct blk_mq_tag_set *admin_tagset;
134 struct list_head namespaces;
135 struct mutex namespaces_mutex;
136 struct device ctrl_device;
137 struct device *device; /* char device */
138 struct cdev cdev;
139 struct ida ns_ida;
140 struct work_struct reset_work;
141 struct work_struct delete_work;
141
142 struct opal_dev *opal_dev;
143
144 char name[12];
145 char serial[20];
146 char model[40];
147 char firmware_rev[8];
148 char subnqn[NVMF_NQN_SIZE];

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231 unsigned int flags;
232#define NVME_F_FABRICS (1 << 0)
233#define NVME_F_METADATA_SUPPORTED (1 << 1)
234 int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val);
235 int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val);
236 int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
237 void (*free_ctrl)(struct nvme_ctrl *ctrl);
238 void (*submit_async_event)(struct nvme_ctrl *ctrl, int aer_idx);
142
143 struct opal_dev *opal_dev;
144
145 char name[12];
146 char serial[20];
147 char model[40];
148 char firmware_rev[8];
149 char subnqn[NVMF_NQN_SIZE];

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232 unsigned int flags;
233#define NVME_F_FABRICS (1 << 0)
234#define NVME_F_METADATA_SUPPORTED (1 << 1)
235 int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val);
236 int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val);
237 int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
238 void (*free_ctrl)(struct nvme_ctrl *ctrl);
239 void (*submit_async_event)(struct nvme_ctrl *ctrl, int aer_idx);
239 int (*delete_ctrl)(struct nvme_ctrl *ctrl);
240 void (*delete_ctrl)(struct nvme_ctrl *ctrl);
240 int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size);
241 int (*reinit_request)(void *data, struct request *rq);
242};
243
244static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl)
245{
246 u32 val = 0;
247

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334 void *buf, unsigned bufflen);
335int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
336 union nvme_result *result, void *buffer, unsigned bufflen,
337 unsigned timeout, int qid, int at_head, int flags);
338int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
339void nvme_start_keep_alive(struct nvme_ctrl *ctrl);
340void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
341int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
241 int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size);
242 int (*reinit_request)(void *data, struct request *rq);
243};
244
245static inline bool nvme_ctrl_ready(struct nvme_ctrl *ctrl)
246{
247 u32 val = 0;
248

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335 void *buf, unsigned bufflen);
336int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,
337 union nvme_result *result, void *buffer, unsigned bufflen,
338 unsigned timeout, int qid, int at_head, int flags);
339int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count);
340void nvme_start_keep_alive(struct nvme_ctrl *ctrl);
341void nvme_stop_keep_alive(struct nvme_ctrl *ctrl);
342int nvme_reset_ctrl(struct nvme_ctrl *ctrl);
343int nvme_delete_ctrl(struct nvme_ctrl *ctrl);
344int nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl);
342
343#ifdef CONFIG_NVM
344int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node);
345void nvme_nvm_unregister(struct nvme_ns *ns);
346int nvme_nvm_register_sysfs(struct nvme_ns *ns);
347void nvme_nvm_unregister_sysfs(struct nvme_ns *ns);
348int nvme_nvm_ioctl(struct nvme_ns *ns, unsigned int cmd, unsigned long arg);
349#else

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346#ifdef CONFIG_NVM
347int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node);
348void nvme_nvm_unregister(struct nvme_ns *ns);
349int nvme_nvm_register_sysfs(struct nvme_ns *ns);
350void nvme_nvm_unregister_sysfs(struct nvme_ns *ns);
351int nvme_nvm_ioctl(struct nvme_ns *ns, unsigned int cmd, unsigned long arg);
352#else

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