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Diffstat (limited to 'sys/compat/linux/linux_ipc.c')
-rw-r--r--sys/compat/linux/linux_ipc.c225
1 files changed, 99 insertions, 126 deletions
diff --git a/sys/compat/linux/linux_ipc.c b/sys/compat/linux/linux_ipc.c
index e68580f..de9b47a 100644
--- a/sys/compat/linux/linux_ipc.c
+++ b/sys/compat/linux/linux_ipc.c
@@ -40,18 +40,18 @@
#include <compat/linux/linux_ipc.h>
#include <compat/linux/linux_util.h>
-struct linux_ipc_perm {
- linux_key_t key;
- unsigned short uid;
- unsigned short gid;
- unsigned short cuid;
- unsigned short cgid;
- unsigned short mode;
- unsigned short seq;
+struct l_ipc_perm {
+ l_key_t key;
+ l_uid16_t uid;
+ l_gid16_t gid;
+ l_uid16_t cuid;
+ l_gid16_t cgid;
+ l_ushort mode;
+ l_ushort seq;
};
static void
-linux_to_bsd_ipc_perm(struct linux_ipc_perm *lpp, struct ipc_perm *bpp)
+linux_to_bsd_ipc_perm(struct l_ipc_perm *lpp, struct ipc_perm *bpp)
{
bpp->key = lpp->key;
bpp->uid = lpp->uid;
@@ -64,7 +64,7 @@ linux_to_bsd_ipc_perm(struct linux_ipc_perm *lpp, struct ipc_perm *bpp)
static void
-bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct linux_ipc_perm *lpp)
+bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct l_ipc_perm *lpp)
{
lpp->key = bpp->key;
lpp->uid = bpp->uid;
@@ -75,33 +75,33 @@ bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct linux_ipc_perm *lpp)
lpp->seq = bpp->seq;
}
-struct linux_semid_ds {
- struct linux_ipc_perm sem_perm;
- linux_time_t sem_otime;
- linux_time_t sem_ctime;
+struct l_semid_ds {
+ struct l_ipc_perm sem_perm;
+ l_time_t sem_otime;
+ l_time_t sem_ctime;
void *sem_base;
void *sem_pending;
void *sem_pending_last;
void *undo;
- ushort sem_nsems;
+ l_ushort sem_nsems;
};
-struct linux_shmid_ds {
- struct linux_ipc_perm shm_perm;
- int shm_segsz;
- linux_time_t shm_atime;
- linux_time_t shm_dtime;
- linux_time_t shm_ctime;
- ushort shm_cpid;
- ushort shm_lpid;
- short shm_nattch;
- ushort private1;
- void *private2;
- void *private3;
+struct l_shmid_ds {
+ struct l_ipc_perm shm_perm;
+ l_int shm_segsz;
+ l_time_t shm_atime;
+ l_time_t shm_dtime;
+ l_time_t shm_ctime;
+ l_ushort shm_cpid;
+ l_ushort shm_lpid;
+ l_short shm_nattch;
+ l_ushort private1;
+ void *private2;
+ void *private3;
};
static void
-linux_to_bsd_semid_ds(struct linux_semid_ds *lsp, struct semid_ds *bsp)
+linux_to_bsd_semid_ds(struct l_semid_ds *lsp, struct semid_ds *bsp)
{
linux_to_bsd_ipc_perm(&lsp->sem_perm, &bsp->sem_perm);
bsp->sem_otime = lsp->sem_otime;
@@ -111,7 +111,7 @@ linux_to_bsd_semid_ds(struct linux_semid_ds *lsp, struct semid_ds *bsp)
}
static void
-bsd_to_linux_semid_ds(struct semid_ds *bsp, struct linux_semid_ds *lsp)
+bsd_to_linux_semid_ds(struct semid_ds *bsp, struct l_semid_ds *lsp)
{
bsd_to_linux_ipc_perm(&bsp->sem_perm, &lsp->sem_perm);
lsp->sem_otime = bsp->sem_otime;
@@ -121,7 +121,7 @@ bsd_to_linux_semid_ds(struct semid_ds *bsp, struct linux_semid_ds *lsp)
}
static void
-linux_to_bsd_shmid_ds(struct linux_shmid_ds *lsp, struct shmid_ds *bsp)
+linux_to_bsd_shmid_ds(struct l_shmid_ds *lsp, struct shmid_ds *bsp)
{
linux_to_bsd_ipc_perm(&lsp->shm_perm, &bsp->shm_perm);
bsp->shm_segsz = lsp->shm_segsz;
@@ -135,7 +135,7 @@ linux_to_bsd_shmid_ds(struct linux_shmid_ds *lsp, struct shmid_ds *bsp)
}
static void
-bsd_to_linux_shmid_ds(struct shmid_ds *bsp, struct linux_shmid_ds *lsp)
+bsd_to_linux_shmid_ds(struct shmid_ds *bsp, struct l_shmid_ds *lsp)
{
bsd_to_linux_ipc_perm(&bsp->shm_perm, &lsp->shm_perm);
lsp->shm_segsz = bsp->shm_segsz;
@@ -157,9 +157,9 @@ linux_semop(struct proc *p, struct linux_semop_args *args)
int nsops;
} */ bsd_args;
- bsd_args.semid = args->arg1;
- bsd_args.sops = (struct sembuf *)args->ptr;
- bsd_args.nsops = args->arg2;
+ bsd_args.semid = args->semid;
+ bsd_args.sops = (struct sembuf *)args->tsops;
+ bsd_args.nsops = args->nsops;
return semop(p, &bsd_args);
}
@@ -172,33 +172,32 @@ linux_semget(struct proc *p, struct linux_semget_args *args)
int semflg;
} */ bsd_args;
- bsd_args.key = args->arg1;
- bsd_args.nsems = args->arg2;
- bsd_args.semflg = args->arg3;
+ bsd_args.key = args->key;
+ bsd_args.nsems = args->nsems;
+ bsd_args.semflg = args->semflg;
return semget(p, &bsd_args);
}
int
linux_semctl(struct proc *p, struct linux_semctl_args *args)
{
- struct linux_semid_ds linux_semid;
- struct semid_ds bsd_semid;
+ struct l_semid_ds linux_semid;
struct __semctl_args /* {
- int semid;
- int semnum;
- int cmd;
- union semun *arg;
+ int semid;
+ int semnum;
+ int cmd;
+ union semun *arg;
} */ bsd_args;
- int error;
- caddr_t sg, unptr, dsp, ldsp;
+ int error;
+ union semun *unptr;
+ caddr_t sg;
sg = stackgap_init();
- bsd_args.semid = args->arg1;
- bsd_args.semnum = args->arg2;
- bsd_args.cmd = args->arg3;
- bsd_args.arg = (union semun *)args->ptr;
+ bsd_args.semid = args->semid;
+ bsd_args.semnum = args->semnum;
+ bsd_args.arg = (union semun *)&args->arg;
- switch (args->arg3) {
+ switch (args->cmd) {
case LINUX_IPC_RMID:
bsd_args.cmd = IPC_RMID;
break;
@@ -219,48 +218,32 @@ linux_semctl(struct proc *p, struct linux_semctl_args *args)
break;
case LINUX_IPC_SET:
bsd_args.cmd = IPC_SET;
- error = copyin(args->ptr, &ldsp, sizeof(ldsp));
+ error = copyin((caddr_t)args->arg.buf, &linux_semid,
+ sizeof(linux_semid));
if (error)
- return error;
- error = copyin(ldsp, (caddr_t)&linux_semid, sizeof(linux_semid));
- if (error)
- return error;
- linux_to_bsd_semid_ds(&linux_semid, &bsd_semid);
+ return (error);
unptr = stackgap_alloc(&sg, sizeof(union semun));
- dsp = stackgap_alloc(&sg, sizeof(struct semid_ds));
- error = copyout((caddr_t)&bsd_semid, dsp, sizeof(bsd_semid));
- if (error)
- return error;
- error = copyout((caddr_t)&dsp, unptr, sizeof(dsp));
- if (error)
- return error;
- bsd_args.arg = (union semun *)unptr;
+ unptr->buf = stackgap_alloc(&sg, sizeof(struct semid_ds));
+ linux_to_bsd_semid_ds(&linux_semid, unptr->buf);
+ bsd_args.arg = unptr;
return __semctl(p, &bsd_args);
case LINUX_IPC_STAT:
bsd_args.cmd = IPC_STAT;
- unptr = stackgap_alloc(&sg, sizeof(union semun *));
- dsp = stackgap_alloc(&sg, sizeof(struct semid_ds));
- error = copyout((caddr_t)&dsp, unptr, sizeof(dsp));
- if (error)
- return error;
- bsd_args.arg = (union semun *)unptr;
+ unptr = stackgap_alloc(&sg, sizeof(union semun));
+ unptr->buf = stackgap_alloc(&sg, sizeof(struct semid_ds));
+ bsd_args.arg = unptr;
error = __semctl(p, &bsd_args);
if (error)
return error;
- error = copyin(dsp, (caddr_t)&bsd_semid, sizeof(bsd_semid));
- if (error)
- return error;
- bsd_to_linux_semid_ds(&bsd_semid, &linux_semid);
- error = copyin(args->ptr, &ldsp, sizeof(ldsp));
- if (error)
- return error;
- return copyout((caddr_t)&linux_semid, ldsp, sizeof(linux_semid));
+ bsd_to_linux_semid_ds(unptr->buf, &linux_semid);
+ return copyout(&linux_semid, (caddr_t)args->arg.buf,
+ sizeof(linux_semid));
case LINUX_GETALL:
/* FALLTHROUGH */
case LINUX_SETALL:
/* FALLTHROUGH */
default:
- uprintf("LINUX: 'ipc' typ=%d not implemented\n", args->arg3);
+ uprintf("linux: 'ipc' typ=%d not implemented\n", args->cmd);
return EINVAL;
}
return __semctl(p, &bsd_args);
@@ -276,10 +259,10 @@ linux_msgsnd(struct proc *p, struct linux_msgsnd_args *args)
int msgflg;
} */ bsd_args;
- bsd_args.msqid = args->arg1;
- bsd_args.msgp = args->ptr;
- bsd_args.msgsz = args->arg2;
- bsd_args.msgflg = args->arg3;
+ bsd_args.msqid = args->msqid;
+ bsd_args.msgp = args->msgp;
+ bsd_args.msgsz = args->msgsz;
+ bsd_args.msgflg = args->msgflg;
return msgsnd(p, &bsd_args);
}
@@ -294,11 +277,11 @@ linux_msgrcv(struct proc *p, struct linux_msgrcv_args *args)
int msgflg;
} */ bsd_args;
- bsd_args.msqid = args->arg1;
- bsd_args.msgp = args->ptr;
- bsd_args.msgsz = args->arg2;
- bsd_args.msgtyp = 0;
- bsd_args.msgflg = args->arg3;
+ bsd_args.msqid = args->msqid;
+ bsd_args.msgp = args->msgp;
+ bsd_args.msgsz = args->msgsz;
+ bsd_args.msgtyp = 0; /* XXX - args->msgtyp; */
+ bsd_args.msgflg = args->msgflg;
return msgrcv(p, &bsd_args);
}
@@ -310,8 +293,8 @@ linux_msgget(struct proc *p, struct linux_msgget_args *args)
int msgflg;
} */ bsd_args;
- bsd_args.key = args->arg1;
- bsd_args.msgflg = args->arg2;
+ bsd_args.key = args->key;
+ bsd_args.msgflg = args->msgflg;
return msgget(p, &bsd_args);
}
@@ -325,11 +308,11 @@ linux_msgctl(struct proc *p, struct linux_msgctl_args *args)
} */ bsd_args;
int error;
- bsd_args.msqid = args->arg1;
- bsd_args.cmd = args->arg2;
- bsd_args.buf = (struct msqid_ds *)args->ptr;
+ bsd_args.msqid = args->msqid;
+ bsd_args.cmd = args->cmd;
+ bsd_args.buf = (struct msqid_ds *)args->buf;
error = msgctl(p, &bsd_args);
- return ((args->arg2 == LINUX_IPC_RMID && error == EINVAL) ? 0 : error);
+ return ((args->cmd == LINUX_IPC_RMID && error == EINVAL) ? 0 : error);
}
int
@@ -342,13 +325,13 @@ linux_shmat(struct proc *p, struct linux_shmat_args *args)
} */ bsd_args;
int error;
- bsd_args.shmid = args->arg1;
- bsd_args.shmaddr = args->ptr;
- bsd_args.shmflg = args->arg2;
+ bsd_args.shmid = args->shmid;
+ bsd_args.shmaddr = args->shmaddr;
+ bsd_args.shmflg = args->shmflg;
if ((error = shmat(p, &bsd_args)))
return error;
#ifdef __i386__
- if ((error = copyout(p->p_retval, (caddr_t)args->arg3, sizeof(int))))
+ if ((error = copyout(p->p_retval, (caddr_t)args->raddr, sizeof(l_ulong))))
return error;
p->p_retval[0] = 0;
#endif
@@ -362,7 +345,7 @@ linux_shmdt(struct proc *p, struct linux_shmdt_args *args)
void *shmaddr;
} */ bsd_args;
- bsd_args.shmaddr = args->ptr;
+ bsd_args.shmaddr = args->shmaddr;
return shmdt(p, &bsd_args);
}
@@ -375,17 +358,16 @@ linux_shmget(struct proc *p, struct linux_shmget_args *args)
int shmflg;
} */ bsd_args;
- bsd_args.key = args->arg1;
- bsd_args.size = args->arg2;
- bsd_args.shmflg = args->arg3;
+ bsd_args.key = args->key;
+ bsd_args.size = args->size;
+ bsd_args.shmflg = args->shmflg;
return shmget(p, &bsd_args);
}
int
linux_shmctl(struct proc *p, struct linux_shmctl_args *args)
{
- struct shmid_ds bsd_shmid;
- struct linux_shmid_ds linux_shmid;
+ struct l_shmid_ds linux_shmid;
struct shmctl_args /* {
int shmid;
int cmd;
@@ -394,46 +376,37 @@ linux_shmctl(struct proc *p, struct linux_shmctl_args *args)
int error;
caddr_t sg = stackgap_init();
- switch (args->arg2) {
+ switch (args->cmd) {
case LINUX_IPC_STAT:
- bsd_args.shmid = args->arg1;
+ bsd_args.shmid = args->shmid;
bsd_args.cmd = IPC_STAT;
bsd_args.buf = (struct shmid_ds*)stackgap_alloc(&sg, sizeof(struct shmid_ds));
if ((error = shmctl(p, &bsd_args)))
return error;
- if ((error = copyin((caddr_t)bsd_args.buf, (caddr_t)&bsd_shmid,
- sizeof(struct shmid_ds))))
- return error;
- bsd_to_linux_shmid_ds(&bsd_shmid, &linux_shmid);
- return copyout((caddr_t)&linux_shmid, args->ptr, sizeof(linux_shmid));
+ bsd_to_linux_shmid_ds(bsd_args.buf, &linux_shmid);
+ return copyout(&linux_shmid, (caddr_t)args->buf, sizeof(linux_shmid));
case LINUX_IPC_SET:
- if ((error = copyin(args->ptr, (caddr_t)&linux_shmid,
- sizeof(linux_shmid))))
+ if ((error = copyin((caddr_t)args->buf, &linux_shmid,
+ sizeof(linux_shmid))))
return error;
- linux_to_bsd_shmid_ds(&linux_shmid, &bsd_shmid);
bsd_args.buf = (struct shmid_ds*)stackgap_alloc(&sg, sizeof(struct shmid_ds));
- if ((error = copyout((caddr_t)&bsd_shmid, (caddr_t)bsd_args.buf,
- sizeof(struct shmid_ds))))
- return error;
- bsd_args.shmid = args->arg1;
+ linux_to_bsd_shmid_ds(&linux_shmid, bsd_args.buf);
+ bsd_args.shmid = args->shmid;
bsd_args.cmd = IPC_SET;
return shmctl(p, &bsd_args);
case LINUX_IPC_RMID:
- bsd_args.shmid = args->arg1;
+ bsd_args.shmid = args->shmid;
bsd_args.cmd = IPC_RMID;
- if (NULL == args->ptr)
+ if (args->buf == NULL)
bsd_args.buf = NULL;
else {
- if ((error = copyin(args->ptr, (caddr_t)&linux_shmid,
+ if ((error = copyin((caddr_t)args->buf, &linux_shmid,
sizeof(linux_shmid))))
return error;
- linux_to_bsd_shmid_ds(&linux_shmid, &bsd_shmid);
bsd_args.buf = (struct shmid_ds*)stackgap_alloc(&sg, sizeof(struct shmid_ds));
- if ((error = copyout((caddr_t)&bsd_shmid, (caddr_t)bsd_args.buf,
- sizeof(struct shmid_ds))))
- return error;
+ linux_to_bsd_shmid_ds(&linux_shmid, bsd_args.buf);
}
return shmctl(p, &bsd_args);
@@ -443,7 +416,7 @@ linux_shmctl(struct proc *p, struct linux_shmctl_args *args)
case LINUX_SHM_LOCK:
case LINUX_SHM_UNLOCK:
default:
- uprintf("LINUX: 'ipc' typ=%d not implemented\n", args->arg2);
+ uprintf("linux: 'ipc' typ=%d not implemented\n", args->cmd);
return EINVAL;
}
}
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