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Message type for SYS_IOPENABLE

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Change-Id: I8b089c30c7f9ae75e404f63495bbb199d583f1cd
This commit is contained in:
Lionel Sambuc 2014-05-21 16:59:30 +02:00
parent e412a58209
commit 05f155c0a9
4 changed files with 12 additions and 7 deletions
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3
include/minix/com.h
View File

@ -310,9 +310,6 @@
# define IRQ_WORD 0x200 /* word values */
# define IRQ_LONG 0x400 /* long values */
/* Field names for SYS_IOPENABLE. */
#define IOP_ENDPT m2_l1 /* target endpoint */
/* Field names for _UMAP, _VIRCOPY, _PHYSCOPY. */
#define CP_SRC_ENDPT m5_i1 /* process to copy from */
#define CP_SRC_ADDR m5_l1 /* address where data come from */

8
include/minix/ipc.h
View File

@ -707,6 +707,13 @@ typedef struct {
} mess_lsys_krn_sys_abort;
_ASSERT_MSG_SIZE(mess_lsys_krn_sys_abort);
typedef struct {
endpoint_t endpt;
uint8_t padding[52];
} mess_lsys_krn_sys_iopenable;
_ASSERT_MSG_SIZE(mess_lsys_krn_sys_iopenable);
typedef struct {
int request;
int vector;
@ -1489,6 +1496,7 @@ typedef struct {
mess_lsys_krn_schedctl m_lsys_krn_schedctl;
mess_lsys_krn_schedule m_lsys_krn_schedule;
mess_lsys_krn_sys_abort m_lsys_krn_sys_abort;
mess_lsys_krn_sys_iopenable m_lsys_krn_sys_iopenable;
mess_lsys_krn_sys_irqctl m_lsys_krn_sys_irqctl;
mess_lsys_krn_sys_memset m_lsys_krn_sys_memset;
mess_lsys_krn_sys_sdevio m_lsys_krn_sys_sdevio;

6
kernel/arch/i386/do_iopenable.c
View File

@ -2,7 +2,7 @@
* m_type: SYS_IOPENABLE
*
* The parameters for this system call are:
* m2_i2: IOP_ENDPT (process to give I/O Protection Level bits)
* m_lsys_krn_sys_iopenable.endpt (process to give I/O Protection Level bits)
*
* Author:
* Jorrit N. Herder <jnherder@cs.vu.nl>
@ -22,9 +22,9 @@ int do_iopenable(struct proc * caller, message * m_ptr)
int proc_nr;
#if 1 /* ENABLE_USERPRIV && ENABLE_USERIOPL */
if (m_ptr->IOP_ENDPT == SELF) {
if (m_ptr->m_lsys_krn_sys_iopenable.endpt == SELF) {
okendpt(caller->p_endpoint, &proc_nr);
} else if(!isokendpt(m_ptr->IOP_ENDPT, &proc_nr))
} else if(!isokendpt(m_ptr->m_lsys_krn_sys_iopenable.endpt, &proc_nr))
return(EINVAL);
enable_iop(proc_addr(proc_nr));
return(OK);

2
lib/libsys/arch/i386/sys_eniop.c
View File

@ -7,7 +7,7 @@ int sys_enable_iop(proc_ep)
endpoint_t proc_ep; /* number of process to allow I/O */
{
message m_iop;
m_iop.IOP_ENDPT = proc_ep;
m_iop.m_lsys_krn_sys_iopenable.endpt = proc_ep;
return _kernel_call(SYS_IOPENABLE, &m_iop);
}