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authorAnthony Liguori <aliguori@amazon.com>2013-11-21 07:09:52 -0800
committerAnthony Liguori <aliguori@amazon.com>2013-11-21 07:09:52 -0800
commit0a3c738507cef91bd751d8507676109bc7985e1a (patch)
tree4837d9bdeb7d07238e9f9b6942e3865bec5a6a64 /hw/i386/kvm/pci-assign.c
parentffb62da7a23b1d13a3582bee6b2df599baa6ecfb (diff)
parentef4cbe14342c1f63b3c754e306218f004f4e26c4 (diff)
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Merge remote-tracking branch 'qemu-kvm/uq/master' into staging
# By Jan Kiszka (1) and others # Via Gleb Natapov * qemu-kvm/uq/master: kvm: Fix uninitialized cpuid_data pci-assign: Remove dead code for direct I/O region access from userspace KVM: x86: fix typo in KVM_GET_XCRS Message-id: cover.1385040432.git.gleb@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Diffstat (limited to 'hw/i386/kvm/pci-assign.c')
-rw-r--r--hw/i386/kvm/pci-assign.c56
1 files changed, 10 insertions, 46 deletions
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index aae4309..9686801 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -154,55 +154,19 @@ static uint64_t assigned_dev_ioport_rw(AssignedDevRegion *dev_region,
uint64_t val = 0;
int fd = dev_region->region->resource_fd;
- if (fd >= 0) {
- if (data) {
- DEBUG("pwrite data=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
- ", addr="TARGET_FMT_plx"\n", *data, size, addr, addr);
- if (pwrite(fd, data, size, addr) != size) {
- error_report("%s - pwrite failed %s",
- __func__, strerror(errno));
- }
- } else {
- if (pread(fd, &val, size, addr) != size) {
- error_report("%s - pread failed %s",
- __func__, strerror(errno));
- val = (1UL << (size * 8)) - 1;
- }
- DEBUG("pread val=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
- ", addr=" TARGET_FMT_plx "\n", val, size, addr, addr);
+ if (data) {
+ DEBUG("pwrite data=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
+ ", addr="TARGET_FMT_plx"\n", *data, size, addr, addr);
+ if (pwrite(fd, data, size, addr) != size) {
+ error_report("%s - pwrite failed %s", __func__, strerror(errno));
}
} else {
- uint32_t port = addr + dev_region->u.r_baseport;
-
- if (data) {
- DEBUG("out data=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
- ", host=%x\n", *data, size, addr, port);
- switch (size) {
- case 1:
- outb(*data, port);
- break;
- case 2:
- outw(*data, port);
- break;
- case 4:
- outl(*data, port);
- break;
- }
- } else {
- switch (size) {
- case 1:
- val = inb(port);
- break;
- case 2:
- val = inw(port);
- break;
- case 4:
- val = inl(port);
- break;
- }
- DEBUG("in data=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
- ", host=%x\n", val, size, addr, port);
+ if (pread(fd, &val, size, addr) != size) {
+ error_report("%s - pread failed %s", __func__, strerror(errno));
+ val = (1UL << (size * 8)) - 1;
}
+ DEBUG("pread val=%" PRIx64 ", size=%d, e_phys=" TARGET_FMT_plx
+ ", addr=" TARGET_FMT_plx "\n", val, size, addr, addr);
}
return val;
}