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support McKernel's sysfs tree

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This commit is contained in:
NAKAMURA Gou
2015-11-20 16:46:08 +09:00
parent e805249651
commit 8cb72df663
14 changed files with 2625 additions and 10 deletions
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43
kernel/include/syscall.h
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@@ -46,6 +46,27 @@
#define SCD_MSG_DEBUG_LOG 0x20
#define SCD_MSG_SYSFS_REQ_CREATE 0x30
/* #define SCD_MSG_SYSFS_RESP_CREATE 0x31 */
#define SCD_MSG_SYSFS_REQ_MKDIR 0x32
/* #define SCD_MSG_SYSFS_RESP_MKDIR 0x33 */
#define SCD_MSG_SYSFS_REQ_SYMLINK 0x34
/* #define SCD_MSG_SYSFS_RESP_SYMLINK 0x35 */
#define SCD_MSG_SYSFS_REQ_LOOKUP 0x36
/* #define SCD_MSG_SYSFS_RESP_LOOKUP 0x37 */
#define SCD_MSG_SYSFS_REQ_UNLINK 0x38
/* #define SCD_MSG_SYSFS_RESP_UNLINK 0x39 */
#define SCD_MSG_SYSFS_REQ_SHOW 0x3a
#define SCD_MSG_SYSFS_RESP_SHOW 0x3b
#define SCD_MSG_SYSFS_REQ_STORE 0x3c
#define SCD_MSG_SYSFS_RESP_STORE 0x3d
#define SCD_MSG_SYSFS_REQ_RELEASE 0x3e
#define SCD_MSG_SYSFS_RESP_RELEASE 0x3f
#define SCD_MSG_SYSFS_REQ_SETUP 0x40
#define SCD_MSG_SYSFS_RESP_SETUP 0x41
/* #define SCD_MSG_SYSFS_REQ_CLEANUP 0x42 */
/* #define SCD_MSG_SYSFS_RESP_CLEANUP 0x43 */
#define ARCH_SET_GS 0x1001
#define ARCH_SET_FS 0x1002
#define ARCH_GET_FS 0x1003
@@ -94,13 +115,27 @@ struct user_desc {
unsigned int useable:1;
unsigned int lm:1;
};
struct ikc_scd_packet {
int msg;
int ref;
int osnum;
int pid;
int err;
unsigned long arg;
union {
/* for traditional SCD_MSG_* */
struct {
int ref;
int osnum;
int pid;
int padding;
unsigned long arg;
};
/* for SCD_MSG_SYSFS_* */
struct {
long sysfs_arg1;
long sysfs_arg2;
long sysfs_arg3;
};
};
};
struct program_image_section {

48
kernel/include/sysfs.h Normal file
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@@ -0,0 +1,48 @@
/**
* \file sysfs.h
* License details are found in the file LICENSE.
* \brief
* sysfs framework API definitions
* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com> \par
* Copyright (C) 2015 RIKEN AICS
*/
/*
* HISTORY:
*/
#ifndef MCKERNEL_SYSFS_H
#define MCKERNEL_SYSFS_H
#define SYSFS_PATH_MAX 1024
/* for sysfs_unlinkf() */
#define SYSFS_UNLINK_KEEP_ANCESTOR 0x01
struct sysfs_ops {
ssize_t (*show)(struct sysfs_ops *ops, void *instance, void *buf,
size_t bufsize);
ssize_t (*store)(struct sysfs_ops *ops, void *instance, void *buf,
size_t bufsize);
void (*release)(struct sysfs_ops *ops, void *instance);
};
struct sysfs_handle {
long handle;
};
typedef struct sysfs_handle sysfs_handle_t;
extern int sysfs_createf(struct sysfs_ops *ops, void *instance, int mode,
const char *fmt, ...);
extern int sysfs_mkdirf(sysfs_handle_t *dirhp, const char *fmt, ...);
extern int sysfs_symlinkf(sysfs_handle_t targeth, const char *fmt, ...);
extern int sysfs_lookupf(sysfs_handle_t *objhp, const char *fmt, ...);
extern int sysfs_unlinkf(int flags, const char *fmt, ...);
extern void sysfs_init(void);
struct ihk_ikc_channel_desc;
extern void sysfss_packet_handler(struct ihk_ikc_channel_desc *ch, int msg,
int error, long arg1, long arg2, long arg3);
#endif /* MCKERNEL_SYSFS_H */

76
kernel/include/sysfs_msg.h Normal file
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@@ -0,0 +1,76 @@
/**
* \file sysfs_msg.h
* License details are found in the file LICENSE.
* \brief
* message declarations for sysfs framework
* \author Gou Nakamura <go.nakamura.yw@hitachi-solutions.com> \par
* Copyright (C) 2015 RIKEN AICS
*/
/*
* HISTORY:
*/
#ifndef MCKERNEL_SYSFS_MSG_H
#define MCKERNEL_SYSFS_MSG_H
#define SYSFS_PATH_MAX 1024
struct sysfs_req_create_param {
int mode;
int error;
long client_ops;
long client_instance;
char path[SYSFS_PATH_MAX];
int padding;
int busy;
}; /* struct sysfs_req_create_param */
struct sysfs_req_mkdir_param {
int error;
int padding;
long handle;
char path[SYSFS_PATH_MAX];
int padding2;
int busy;
}; /* struct sysfs_req_mkdir_param */
struct sysfs_req_symlink_param {
int error;
int padding;
long target;
char path[SYSFS_PATH_MAX];
int padding2;
int busy;
}; /* struct sysfs_req_symlink_param */
struct sysfs_req_lookup_param {
int error;
int padding;
long handle;
char path[SYSFS_PATH_MAX];
int padding2;
int busy;
}; /* struct sysfs_req_lookup_param */
/* for sysfs_req_unlink_param.flags */
#define SYSFS_UNLINK_KEEP_ANCESTOR 0x01
struct sysfs_req_unlink_param {
int flags;
int error;
char path[SYSFS_PATH_MAX];
int padding;
int busy;
}; /* struct sysfs_req_unlink_param */
struct sysfs_req_setup_param {
int error;
int padding;
long buf_rpa;
long bufsize;
char padding3[SYSFS_PATH_MAX];
int padding2;
int busy;
}; /* struct sysfs_req_setup_param */
#endif /* MCKERNEL_SYSFS_MSG_H */