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[skip ci]kernel: Migrating KPM to ioctl

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This commit is contained in:
ShirkNeko
2025-11-04 00:09:42 +08:00
parent 7103779a11
commit d286f49e11
5 changed files with 51 additions and 35 deletions
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13
kernel/kpm/kpm.c
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@@ -209,3 +209,16 @@ int sukisu_is_kpm_control_code(unsigned long arg2) {
return (arg2 >= CMD_KPM_CONTROL &&
arg2 <= CMD_KPM_CONTROL_MAX) ? 1 : 0;
}
int do_kpm(void __user *arg)
{
struct ksu_kpm_cmd cmd;
if (copy_from_user(&cmd, arg, sizeof(cmd))) {
pr_err("kpm: copy_from_user failed\n");
return -EFAULT;
}
return sukisu_handle_kpm(cmd.arg2, cmd.arg3, cmd.arg4, cmd.arg5);
}

50
kernel/kpm/kpm.h
View File

@@ -1,58 +1,70 @@
#ifndef __SUKISU_KPM_H
#define __SUKISU_KPM_H
extern int sukisu_handle_kpm(unsigned long arg2, unsigned long arg3, unsigned long arg4,
unsigned long arg5);
extern int sukisu_is_kpm_control_code(unsigned long arg2);
#include <linux/types.h>
#include <linux/ioctl.h>
struct ksu_kpm_cmd {
__aligned_u64 arg2;
__aligned_u64 arg3;
__aligned_u64 arg4;
__aligned_u64 arg5;
};
int sukisu_handle_kpm(unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5);
int sukisu_is_kpm_control_code(unsigned long arg2);
int do_kpm(void __user *arg);
#define KSU_IOCTL_KPM _IOC(_IOC_READ|_IOC_WRITE, 'K', 200, 0)
/* KPM Control Code */
#define CMD_KPM_CONTROL 28
#define CMD_KPM_CONTROL_MAX 35
#define CMD_KPM_CONTROL 1
#define CMD_KPM_CONTROL_MAX 10
/* Control Code */
/*
* prctl(xxx, 28, "PATH", "ARGS")
* prctl(xxx, 1, "PATH", "ARGS")
* success return 0, error return -N
*/
#define SUKISU_KPM_LOAD 28
#define SUKISU_KPM_LOAD 1
/*
* prctl(xxx, 29, "NAME")
* prctl(xxx, 2, "NAME")
* success return 0, error return -N
*/
#define SUKISU_KPM_UNLOAD 29
#define SUKISU_KPM_UNLOAD 2
/*
* num = prctl(xxx, 30)
* num = prctl(xxx, 3)
* error return -N
* success return +num or 0
*/
#define SUKISU_KPM_NUM 30
#define SUKISU_KPM_NUM 3
/*
* prctl(xxx, 31, Buffer, BufferSize)
* prctl(xxx, 4, Buffer, BufferSize)
* success return +out, error return -N
*/
#define SUKISU_KPM_LIST 31
#define SUKISU_KPM_LIST 4
/*
* prctl(xxx, 32, "NAME", Buffer[256])
* prctl(xxx, 5, "NAME", Buffer[256])
* success return +out, error return -N
*/
#define SUKISU_KPM_INFO 32
#define SUKISU_KPM_INFO 5
/*
* prctl(xxx, 33, "NAME", "ARGS")
* prctl(xxx, 6, "NAME", "ARGS")
* success return KPM's result value
* error return -N
*/
#define SUKISU_KPM_CONTROL 33
#define SUKISU_KPM_CONTROL 6
/*
* prctl(xxx, 34, buffer, bufferSize)
* prctl(xxx, 7, buffer, bufferSize)
* success return KPM's result value
* error return -N
*/
#define SUKISU_KPM_VERSION 34
#define SUKISU_KPM_VERSION 7
#endif