Rename paramctl to setgrant.

include/minix/com.h

@@ -289,7 +289,7 @@
 #  define SYS_SAFECOPYFROM (KERNEL_CALL + 31)	/* sys_safecopyfrom() */
 #  define SYS_SAFECOPYTO   (KERNEL_CALL + 32)	/* sys_safecopyto() */
 #  define SYS_VSAFECOPY  (KERNEL_CALL + 33)	/* sys_vsafecopy() */
-#  define SYS_PARAMCTL   (KERNEL_CALL + 34)	/* sys_paramctl() */
+#  define SYS_SETGRANT   (KERNEL_CALL + 34)	/* sys_setgrant() */
 
 #define NR_SYS_CALLS	35	/* number of system calls */ 
 
@@ -303,7 +303,7 @@
 					 */
 #define SYS_PRIV_ADD_IRQ	4	/* Add IRQ */
 
-/* Subfunctions for SYS_PARAMCTL */
+/* Subfunctions for SYS_SETGRANT */
 #define SYS_PARAM_SET_GRANT	1	/* Set address and size of grant table */
 
 /* Field names for SYS_MEMSET, SYS_SEGCTL. */
@@ -447,11 +447,9 @@
 #define CTL_ADDRESS    m2_l1	/* address at traced process' space */
 #define CTL_DATA       m2_l2	/* data field for tracing */
 
-/* Field names for SYS_PARAMCTL */
-#define PCTL_REQ	m2_i1	/* request code */
-#define PCTL_INT1	m2_i2	/* int param 1 */
-#define PCTL_INT2	m2_i3	/* int param 2 */
-#define PCTL_ADDR1	m2_p1	/* address param 1 */
+/* Field names for SYS_SETGRANT */
+#define SG_ADDR		m2_p1	/* address */
+#define SG_SIZE		m2_i2	/* no. of entries */
 
 /* Field names for SYS_KILL, SYS_SIGCTL */
 #define SIG_REQUEST    m2_l2	/* PM signal control request */

include/minix/syslib.h

@@ -37,7 +37,7 @@ _PROTOTYPE( int sys_exit, (endpoint_t proc));
 _PROTOTYPE( int sys_trace, (int req, endpoint_t proc, long addr, long *data_p));
 
 _PROTOTYPE( int sys_privctl, (endpoint_t proc, int req, int i, void *p));
-_PROTOTYPE( int sys_paramctl, (int req, int int1, void *addr1, int int2));
+_PROTOTYPE( int sys_setgrant, (cp_grant_t *grants, int ngrants));
 _PROTOTYPE( int sys_nice, (endpoint_t proc, int priority));
 
 _PROTOTYPE( int sys_int86, (struct reg86u *reg86p));

kernel/system.c

@@ -148,7 +148,7 @@ PRIVATE void initialize(void)
   map(SYS_NICE, do_nice);		/* set scheduling priority */
   map(SYS_PRIVCTL, do_privctl);		/* system privileges control */
   map(SYS_TRACE, do_trace);		/* request a trace operation */
-  map(SYS_PARAMCTL, do_paramctl);	/* get/set own parameters */
+  map(SYS_SETGRANT, do_setgrant);	/* get/set own parameters */
 
   /* Signal handling. */
   map(SYS_KILL, do_kill); 		/* cause a process to be signaled */

kernel/system.h

@@ -176,7 +176,7 @@ _PROTOTYPE( int do_setalarm, (message *m_ptr) );
 _PROTOTYPE( int do_safecopy, (message *m_ptr) );	
 _PROTOTYPE( int do_vsafecopy, (message *m_ptr) );	
 _PROTOTYPE( int do_iopenable, (message *m_ptr) );	
-_PROTOTYPE( int do_paramctl, (message *m_ptr) );	
+_PROTOTYPE( int do_setgrant, (message *m_ptr) );	
 
 #endif	/* SYSTEM_H */
 

kernel/system/Makefile

@@ -35,7 +35,7 @@ OBJECTS	= \
 	$(SYSTEM)(do_vcopy.o) \
 	$(SYSTEM)(do_umap.o) \
 	$(SYSTEM)(do_memset.o) \
-	$(SYSTEM)(do_paramctl.o) \
+	$(SYSTEM)(do_setgrant.o) \
 	$(SYSTEM)(do_privctl.o) \
 	$(SYSTEM)(do_segctl.o) \
 	$(SYSTEM)(do_safecopy.o) \
@@ -138,8 +138,8 @@ $(SYSTEM)(do_getinfo.o):	do_getinfo.c
 $(SYSTEM)(do_abort.o):	do_abort.c
 	$(CC) do_abort.c
 
-$(SYSTEM)(do_paramctl.o):	do_paramctl.c
-	$(CC) do_paramctl.c
+$(SYSTEM)(do_setgrant.o):	do_setgrant.c
+	$(CC) do_setgrant.c
 
 $(SYSTEM)(do_privctl.o):	do_privctl.c
 	$(CC) do_privctl.c

kernel/system/do_paramctl.c

@@ -1,45 +0,0 @@
-/* The kernel call implemented in this file:
- *   m_type:	SYS_PARAMCTL
- *
- * The parameters for this kernel call are:
- *      PCTL_REQ	request code (SYS_PARAM_*)
- *      PCTL_INT[12]	integer parameters
- *	PCTL_ADDR1	address parameter
- */
-
-#include "../system.h"
-#include <minix/safecopies.h>
-
-/*===========================================================================*
- *				do_paramctl				     *
- *===========================================================================*/
-PUBLIC int do_paramctl(m_ptr)
-message *m_ptr;
-{
-	struct proc *rp;
-	int r;
-
-	/* Who wants to set a parameter? */
-	rp = proc_addr(who_p);
-
-	/* Which parameter is it? */
-	switch(m_ptr->PCTL_REQ) {
-
-		case SYS_PARAM_SET_GRANT:
-			/* Copy grant table set in priv. struct. */
-			if ((rp->p_rts_flags & NO_PRIV) || !(priv(rp))) {
-				r = EPERM;
-			} else {
-				_K_SET_GRANT_TABLE(rp, 
-					(vir_bytes) m_ptr->PCTL_ADDR1,
-					m_ptr->PCTL_INT1);
-				r = OK;
-			}
-			break;
-		default:
-			r = EINVAL;
-			break;
-	}
-
-	return r;
-}

kernel/system/do_setgrant.c

@@ -0,0 +1,35 @@
+/* The kernel call implemented in this file:
+ *   m_type:	SYS_SETGRANT
+ *
+ * The parameters for this kernel call are:
+ *      SG_ADDR	address of grant table in own address space
+ *	SG_SIZE	number of entries
+ */
+
+#include "../system.h"
+#include <minix/safecopies.h>
+
+/*===========================================================================*
+ *				do_setgrant				     *
+ *===========================================================================*/
+PUBLIC int do_setgrant(m_ptr)
+message *m_ptr;
+{
+	struct proc *rp;
+	int r;
+
+	/* Who wants to set a parameter? */
+	rp = proc_addr(who_p);
+
+	/* Copy grant table set in priv. struct. */
+	if ((rp->p_rts_flags & NO_PRIV) || !(priv(rp))) {
+		r = EPERM;
+	} else {
+		_K_SET_GRANT_TABLE(rp, 
+			(vir_bytes) m_ptr->SG_ADDR,
+			m_ptr->SG_SIZE);
+		r = OK;
+	}
+
+	return r;
+}

lib/syslib/Makefile.in

@@ -49,7 +49,7 @@ libsys_FILES=" \
 	sys_sigreturn.c \
 	sys_sigsend.c \
 	sys_privctl.c \
-	sys_paramctl.c \
+	sys_setgrant.c \
 	sys_times.c \
 	sys_trace.c \
 	sys_umap.c \

lib/syslib/safecopies.c

@@ -35,7 +35,7 @@ cpf_preallocate(cp_grant_t *new_grants, int new_ngrants)
 	}
 
 	/* Update kernel about the table. */
-	if((s=sys_paramctl(SYS_PARAM_SET_GRANT, new_ngrants, new_grants, 0))) {
+	if((s=sys_setgrant(new_grants, new_ngrants))) {
 		return -1;
 	}
 
@@ -80,7 +80,7 @@ cpf_grow(void)
 		new_grants[g].cp_flags = 0;
 
 	/* Inform kernel about new size (and possibly new location). */
-	if((sys_paramctl(SYS_PARAM_SET_GRANT, new_size, new_grants, 0))) {
+	if((sys_setgrant(new_grants, new_size))) {
 		free(new_grants);
 		return;	/* Failed - don't grow then. */
 	}

lib/syslib/sys_setgrant.c

@@ -0,0 +1,14 @@
+
+#include "syslib.h"
+
+#include <minix/safecopies.h>
+
+int sys_setgrant(cp_grant_t *grants, int ngrants)
+{
+  message m;
+
+  m.SG_ADDR = (char *) grants;
+  m.SG_SIZE = ngrants;
+
+  return _taskcall(SYSTASK, SYS_SETGRANT, &m);
+}