Differential D18346 Diff 52966 head/sys/dev/nvdimm/nvdimm_var.h

Changeset View

Standalone View

head/sys/dev/nvdimm/nvdimm_var.h

/*-		/*-
* Copyright (c) 2017 The FreeBSD Foundation		* Copyright (c) 2017 The FreeBSD Foundation
* All rights reserved.		* All rights reserved.
		* Copyright (c) 2018, 2019 Intel Corporation
*		*
* This software was developed by Konstantin Belousov <kib@FreeBSD.org>		* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation.		* under sponsorship from the FreeBSD Foundation.
*		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions		* modification, are permitted provided that the following conditions
* are met:		* are met:
* 1. Redistributions of source code must retain the above copyright		* 1. Redistributions of source code must retain the above copyright
Show All 17 Lines
* $FreeBSD$		* $FreeBSD$
*/		*/

#ifndef __DEV_NVDIMM_VAR_H__		#ifndef __DEV_NVDIMM_VAR_H__
#define __DEV_NVDIMM_VAR_H__		#define __DEV_NVDIMM_VAR_H__

typedef uint32_t nfit_handle_t;		typedef uint32_t nfit_handle_t;

		enum nvdimm_root_ivar {
		NVDIMM_ROOT_IVAR_ACPI_HANDLE,
		NVDIMM_ROOT_IVAR_DEVICE_HANDLE,
		NVDIMM_ROOT_IVAR_MAX,
		};
		__BUS_ACCESSOR(nvdimm_root, acpi_handle, NVDIMM_ROOT, ACPI_HANDLE, ACPI_HANDLE)
		__BUS_ACCESSOR(nvdimm_root, device_handle, NVDIMM_ROOT, DEVICE_HANDLE,
		nfit_handle_t)

struct nvdimm_dev {		struct nvdimm_dev {
device_t nv_dev;		device_t nv_dev;
nfit_handle_t nv_handle;		nfit_handle_t nv_handle;
uint64_t **nv_flush_addr;		uint64_t **nv_flush_addr;
int nv_flush_addr_cnt;		int nv_flush_addr_cnt;
int nv_devs_idx;
};		};

enum SPA_mapping_type {		enum SPA_mapping_type {
SPA_TYPE_VOLATILE_MEMORY = 0,		SPA_TYPE_VOLATILE_MEMORY = 0,
SPA_TYPE_PERSISTENT_MEMORY = 1,		SPA_TYPE_PERSISTENT_MEMORY = 1,
SPA_TYPE_CONTROL_REGION = 2,		SPA_TYPE_CONTROL_REGION = 2,
SPA_TYPE_DATA_REGION = 3,		SPA_TYPE_DATA_REGION = 3,
SPA_TYPE_VOLATILE_VIRTUAL_DISK = 4,		SPA_TYPE_VOLATILE_VIRTUAL_DISK = 4,
Show All 16 Lines	struct SPA_mapping {
struct bio_queue_head spa_g_queue;		struct bio_queue_head spa_g_queue;
struct mtx spa_g_mtx;		struct mtx spa_g_mtx;
struct mtx spa_g_stat_mtx;		struct mtx spa_g_stat_mtx;
struct devstat *spa_g_devstat;		struct devstat *spa_g_devstat;
struct proc *spa_g_proc;		struct proc *spa_g_proc;
struct vm_object *spa_obj;		struct vm_object *spa_obj;
bool spa_g_proc_run;		bool spa_g_proc_run;
bool spa_g_proc_exiting;		bool spa_g_proc_exiting;
};

struct nvdimm_ns_walk_ctx {
ACPI_STATUS (func)(ACPI_HANDLE, void );
void *arg;
};		};

extern struct SPA_mapping *spa_mappings;		extern struct SPA_mapping *spa_mappings;
extern int spa_mappings_cnt;		extern int spa_mappings_cnt;

MALLOC_DECLARE(M_NVDIMM);		MALLOC_DECLARE(M_NVDIMM);

struct nvdimm_dev *nvdimm_find_by_handle(nfit_handle_t nv_handle);		struct nvdimm_dev *nvdimm_find_by_handle(nfit_handle_t nv_handle);
int nvdimm_iterate_nfit(ACPI_TABLE_NFIT *nfitbl, enum AcpiNfitType type,		int nvdimm_iterate_nfit(ACPI_TABLE_NFIT *nfitbl, enum AcpiNfitType type,
int (cb)(void , void ), void arg);		int (cb)(void , void ), void arg);

#endif /* __DEV_NVDIMM_VAR_H__ */		#endif /* __DEV_NVDIMM_VAR_H__ */