xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / dev / memdev.c

diff --git a/bsd/dev/memdev.c b/bsd/dev/memdev.c
index ffac54d040b1af511af242afe46fc1478f795216..fd7e8fa3df0624e32996014851f9739b6852d007 100644 (file)
--- a/bsd/dev/memdev.c
+++ b/bsd/dev/memdev.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2019 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
@@ -130,31 +130,31 @@ extern ppnum_t  pmap_find_phys(pmap_t pmap, addr64_t va);
  *     D_CANFREE       We support B_FREEBUF
  */
 
-static struct bdevsw mdevbdevsw = {
-       /* open */ mdevopen,
-       /* close */ mdevclose,
-       /* strategy */ mdevstrategy,
-       /* ioctl */ mdevbioctl,
-       /* dump */ eno_dump,
-       /* psize */ mdevsize,
-       /* flags */ D_DISK,
+static const struct bdevsw mdevbdevsw = {
+       .d_open     = mdevopen,
+       .d_close    = mdevclose,
+       .d_strategy = mdevstrategy,
+       .d_ioctl    = mdevbioctl,
+       .d_dump     = eno_dump,
+       .d_psize    = mdevsize,
+       .d_type     = D_DISK,
 };
 
-static struct cdevsw mdevcdevsw = {
-       /* open */ mdevopen,
-       /* close */ mdevclose,
-       /* read */ mdevrw,
-       /* write */ mdevrw,
-       /* ioctl */ mdevcioctl,
-       /* stop */ eno_stop,
-       /* reset */ eno_reset,
-       /* ttys */ NULL,
-       /* select */ eno_select,
-       /* mmap */ eno_mmap,
-       /* strategy */ eno_strat,
-       /* getc */ eno_getc,
-       /* putc */ eno_putc,
-       /* flags */ D_DISK,
+static const struct cdevsw mdevcdevsw = {
+       .d_open       = mdevopen,
+       .d_close      = mdevclose,
+       .d_read       = mdevrw,
+       .d_write      = mdevrw,
+       .d_ioctl      = mdevcioctl,
+       .d_stop       = eno_stop,
+       .d_reset      = eno_reset,
+       .d_ttys       = NULL,
+       .d_select     = eno_select,
+       .d_mmap       = eno_mmap,
+       .d_strategy   = eno_strat,
+       .d_reserved_1 = eno_getc,
+       .d_reserved_2 = eno_putc,
+       .d_type       = D_DISK,
 };
 
 struct mdev {
@@ -239,7 +239,7 @@ mdevrw(dev_t dev, struct uio *uio, __unused int ioflag)
                        uio->uio_segflg = UIO_PHYS_USERSPACE;
                }
        }
-       status = uiomove64(mdata, uio_resid(uio), uio);         /* Move the data */
+       status = uiomove64(mdata, (int)uio_resid(uio), uio);    /* Move the data */
        uio->uio_segflg = saveflag;                                                     /* Restore the flag */
 
        return status;
@@ -280,7 +280,7 @@ mdevstrategy(struct buf *bp)
        }
 
        if ((blkoff + buf_count(bp)) > (mdev[devid].mdSize << 12)) {            /* Will this read go past end? */
-               buf_setcount(bp, ((mdev[devid].mdSize << 12) - blkoff));        /* Yes, trim to max */
+               buf_setcount(bp, (uint32_t)((mdev[devid].mdSize << 12) - blkoff));  /* Yes, trim to max */
        }
        /*
         * make sure the buffer's data area is
@@ -308,7 +308,7 @@ mdevstrategy(struct buf *bp)
                                }
                                paddr = (addr64_t)(((addr64_t)pp << 12) | (addr64_t)(vaddr & 4095));    /* Get actual address */
                                bcopy_phys(fvaddr, paddr, csize);               /* Copy this on in */
-                               mapping_set_mod(paddr >> 12);                   /* Make sure we know that it is modified */
+                               mapping_set_mod((ppnum_t)(paddr >> 12));        /* Make sure we know that it is modified */
 
                                left = left - csize;                                    /* Calculate what is left */
                                vaddr = vaddr + csize;                                  /* Move to next sink address */
@@ -441,7 +441,7 @@ mdevioctl(dev_t dev, u_long cmd, caddr_t data, __unused int flag,
                }
                memdev_info->mi_mdev = TRUE;
                memdev_info->mi_phys = (mdev[devid].mdFlags & mdPhys) ? TRUE : FALSE;
-               memdev_info->mi_base = mdev[devid].mdBase;
+               memdev_info->mi_base = (uint32_t)mdev[devid].mdBase;
                memdev_info->mi_size = mdev[devid].mdSize;
                break;