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92 lines
2.3 KiB
Plaintext
92 lines
2.3 KiB
Plaintext
$NetBSD: patch-qemu-phy-devices,v 1.1 2011/05/20 17:09:21 bouyer Exp $
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This does 2 things:
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- use the correct way to get the size of a disk device or partition (from
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haad@NetBSD.org)
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- if given a block device, use the character device instead.
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--- ioemu/block-raw.c.orig 2009-08-06 14:56:33.000000000 +0200
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+++ ioemu/block-raw.c 2011-05-20 18:55:59.000000000 +0200
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@@ -63,6 +63,13 @@
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#include <sys/disklabel.h>
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#include <sys/dkio.h>
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#endif
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+#if defined(__NetBSD__)
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+#include <sys/ioctl.h>
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+#include <sys/disklabel.h>
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+#include <sys/dkio.h>
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+#include <sys/disk.h>
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+#include <sys/param.h>
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+#endif
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//#define DEBUG_FLOPPY
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@@ -101,6 +108,33 @@
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{
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BDRVRawState *s = bs->opaque;
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int fd, open_flags, ret;
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+#ifdef __NetBSD__
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+ struct stat sb;
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+ static char namebuf[MAXPATHLEN];
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+ const char *dp;
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+
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+ if (lstat(filename, &sb) < 0) {
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+ fprintf(stderr, "%s: stat failed: %s\n", filename, strerror(errno));
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+ return -errno;
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+ }
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+ if (S_ISLNK(sb.st_mode)) {
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+ fprintf(stderr, "%s: symolink links not supported by qemu-dm\n",
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+ filename);
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+ return -EINVAL;
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+ }
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+ if (S_ISBLK(sb.st_mode)) {
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+ dp = strrchr(filename, '/');
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+ if (dp == NULL) {
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+ snprintf(namebuf, MAXPATHLEN, "r%s", filename);
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+ } else {
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+ snprintf(namebuf, MAXPATHLEN, "%.*s/r%s",
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+ (int)(dp - filename), filename, dp + 1);
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+ }
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+ fprintf(stderr, "%s is a block device", filename);
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+ filename = namebuf;
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+ fprintf(stderr, ", using %s\n", filename);
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+ }
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+#endif
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s->lseek_err_cnt = 0;
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@@ -533,7 +567,7 @@
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return 0;
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}
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-#ifdef __OpenBSD__
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+#if defined(__OpenBSD__) || defined(__NetBSD__)
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static int64_t raw_getlength(BlockDriverState *bs)
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{
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int fd = ((BDRVRawState*)bs->opaque)->fd;
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@@ -541,11 +575,24 @@
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if(fstat(fd, &st))
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return -1;
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if(S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)){
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+#ifdef __OpenBSD__
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struct disklabel dl;
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if(ioctl(fd, DIOCGDINFO, &dl))
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return -1;
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return (uint64_t)dl.d_secsize *
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dl.d_partitions[DISKPART(st.st_rdev)].p_size;
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+#else
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+ struct dkwedge_info dkw;
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+ if (ioctl(fd, DIOCGWEDGEINFO, &dkw) != -1) {
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+ return dkw.dkw_size * 512;
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+ } else {
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+ struct disklabel dl;
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+ if(ioctl(fd, DIOCGDINFO, &dl))
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+ return -1;
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+ return (uint64_t)dl.d_secsize *
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+ dl.d_partitions[DISKPART(st.st_rdev)].p_size;
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+ }
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+#endif
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}else
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return st.st_size;
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}
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