/*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <vm/pmap.h>
#include <vm/vm_pager.h>
#include <mach/memory_object_types.h>
+#include <kern/debug.h>
#include <miscfs/devfs/devfs.h>
static int mdevbioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
static int mdevcioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
static int mdevrw(dev_t dev, struct uio *uio, int ioflag);
+
+#ifdef CONFIG_MEMDEV_INSECURE
+
static char * nonspace(char *pos, char *end);
static char * getspace(char *pos, char *end);
static char * cvtnum(char *pos, char *end, unsigned int *num);
+#endif /* CONFIG_MEMDEV_INSECURE */
+
extern void bcopy_phys(addr64_t from, addr64_t to, vm_size_t bytes);
extern void mapping_set_mod(ppnum_t pn);
extern ppnum_t pmap_find_phys(pmap_t pmap, addr64_t va);
/* ioctl */ mdevcioctl,
/* stop */ eno_stop,
/* reset */ eno_reset,
- /* ttys */ 0,
+ /* ttys */ NULL,
/* select */ eno_select,
/* mmap */ eno_mmap,
/* strategy */ eno_strat,
};
struct mdev {
- vm_offset_t mdBase; /* file size in bytes */
+ uint64_t mdBase; /* file size in bytes */
uint32_t mdSize; /* file size in bytes */
int mdFlags; /* flags */
int mdSecsize; /* sector size */
static int mdevioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p, int is_char);
dev_t mdevadd(int devid, ppnum_t base, unsigned int size, int phys);
dev_t mdevlookup(int devid);
+void mdevremoveall(void);
static int mdevclose(__unused dev_t dev, __unused int flags,
__unused int devtype, __unused struct proc *p) {
saveflag = uio->uio_segflg; /* Remember what the request is */
#if LP64_DEBUG
- if (IS_VALID_UIO_SEGFLG(uio->uio_segflg) == 0) {
+ if (UIO_IS_USER_SPACE(uio) == 0 && UIO_IS_SYS_SPACE(uio) == 0) {
panic("mdevrw - invalid uio_segflg\n");
}
#endif /* LP64_DEBUG */
lop = min((4096 - (vaddr & 4095)), (4096 - (fvaddr & 4095))); /* Get smallest amount left on sink and source */
csize = min(lop, left); /* Don't move more than we need to */
- pp = pmap_find_phys(kernel_pmap, (addr64_t)((unsigned int)vaddr)); /* Get the sink physical address */
+ pp = pmap_find_phys(kernel_pmap, (addr64_t)((uintptr_t)vaddr)); /* Get the sink physical address */
if(!pp) { /* Not found, what gives? */
- panic("mdevstrategy: sink address %016llX not mapped\n", (addr64_t)((unsigned int)vaddr));
+ panic("mdevstrategy: sink address %016llX not mapped\n", (addr64_t)((uintptr_t)vaddr));
}
paddr = (addr64_t)(((addr64_t)pp << 12) | (addr64_t)(vaddr & 4095)); /* Get actual address */
bcopy_phys(fvaddr, paddr, csize); /* Copy this on in */
lop = min((4096 - (vaddr & 4095)), (4096 - (fvaddr & 4095))); /* Get smallest amount left on sink and source */
csize = min(lop, left); /* Don't move more than we need to */
- pp = pmap_find_phys(kernel_pmap, (addr64_t)((unsigned int)vaddr)); /* Get the source physical address */
+ pp = pmap_find_phys(kernel_pmap, (addr64_t)((uintptr_t)vaddr)); /* Get the source physical address */
if(!pp) { /* Not found, what gives? */
- panic("mdevstrategy: source address %016llX not mapped\n", (addr64_t)((unsigned int)vaddr));
+ panic("mdevstrategy: source address %016llX not mapped\n", (addr64_t)((uintptr_t)vaddr));
}
paddr = (addr64_t)(((addr64_t)pp << 12) | (addr64_t)(vaddr & 4095)); /* Get actual address */
static int mdevioctl(dev_t dev, u_long cmd, caddr_t data, __unused int flag,
struct proc *p, int is_char) {
int error;
- u_long *f;
+ u_int32_t *f;
u_int64_t *o;
int devid;
error = proc_suser(p); /* Are we superman? */
if (error) return (error); /* Nope... */
- f = (u_long*)data;
+ f = (u_int32_t*)data;
o = (u_int64_t *)data;
switch (cmd) {
void mdevinit(__unused int the_cnt) {
+#ifdef CONFIG_MEMDEV_INSECURE
+
int devid, phys;
ppnum_t base;
unsigned int size;
dev = mdevadd(devid, base >> 12, size >> 12, phys); /* Go add the device */
}
+#endif /* CONFIG_MEMDEV_INSECURE */
+
return;
}
+#ifdef CONFIG_MEMDEV_INSECURE
+
char *nonspace(char *pos, char *end) { /* Find next non-space in string */
if(pos >= end) return end; /* Don't go past end */
}
}
+#endif /* CONFIG_MEMDEV_INSECURE */
+
dev_t mdevadd(int devid, ppnum_t base, unsigned int size, int phys) {
int i;
continue; /* Skip check */
}
if(!(((base + size -1 ) < mdev[i].mdBase) || ((mdev[i].mdBase + mdev[i].mdSize - 1) < base))) { /* Is there any overlap? */
- panic("mdevadd: attempt to add overlapping memory device at %08X-%08X\n", mdev[i].mdBase, mdev[i].mdBase + mdev[i].mdSize - 1);
+ panic("mdevadd: attempt to add overlapping memory device at %08lX-%08lX\n", (long) mdev[i].mdBase, (long) mdev[i].mdBase + mdev[i].mdSize - 1);
}
}
if(devid < 0) { /* Do we have free slots? */
}
else {
if(devid >= 16) { /* Giving us something bogus? */
- panic("mdevadd: attempt to explicitly add a bogus memory device: &08X\n", devid);
+ panic("mdevadd: attempt to explicitly add a bogus memory device: %08X\n", devid);
}
if(mdev[devid].mdFlags &mdInited) { /* Already there? */
- panic("mdevadd: attempt to explicitly add a previously defined memory device: &08X\n", devid);
+ panic("mdevadd: attempt to explicitly add a previously defined memory device: %08X\n", devid);
}
}
if(!(mdev[devid].mdFlags & mdInited)) return -1; /* This one hasn't been defined */
return mdev[devid].mdBDev; /* Return the device number */
}
+
+void mdevremoveall(void) {
+
+ int i;
+
+ for(i = 0; i < 16; i++) {
+ if(!(mdev[i].mdFlags & mdInited)) continue; /* Ignore unused mdevs */
+
+ devfs_remove(mdev[i].mdbdevb); /* Remove the block device */
+ devfs_remove(mdev[i].mdcdevb); /* Remove the character device */
+
+ mdev[i].mdBase = 0; /* Clear the mdev's storage */
+ mdev[i].mdSize = 0;
+ mdev[i].mdSecsize = 0;
+ mdev[i].mdFlags = 0;
+ mdev[i].mdBDev = 0;
+ mdev[i].mdCDev = 0;
+ mdev[i].mdbdevb = 0;
+ mdev[i].mdcdevb = 0;
+ }
+}
projects / apple / xnu.git / blobdiff