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qemu-e2k
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* Build system fixes and cleanups 

* DMA support in the multiboot option ROM
 * Rename default-bus-bypass-iommu
 * Deprecate -watchdog and cleanup -watchdog-action
 * HVF fix for <PAGE_SIZE regions
 * Support TSC scaling for AMD nested virtualization
 * Fix for ESP fuzzing bug
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Build system fixes and cleanups
* DMA support in the multiboot option ROM
* Rename default-bus-bypass-iommu
* Deprecate -watchdog and cleanup -watchdog-action
* HVF fix for <PAGE_SIZE regions
* Support TSC scaling for AMD nested virtualization
* Fix for ESP fuzzing bug

# gpg: Signature made Tue 02 Nov 2021 10:57:37 AM EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* remotes/bonzini/tags/for-upstream: (27 commits)
  configure: fix --audio-drv-list help message
  configure: Remove the check for the __thread keyword
  Move the l2tpv3 test from configure to meson.build
  meson: remove unnecessary coreaudio test program
  meson: remove pointless warnings
  meson.build: Allow to disable OSS again
  meson: bump submodule to 0.59.3
  qtest/am53c974-test: add test for cancelling in-flight requests
  esp: ensure in-flight SCSI requests are always cancelled
  KVM: SVM: add migration support for nested TSC scaling
  hw/i386: fix vmmouse registration
  watchdog: remove select_watchdog_action
  vl: deprecate -watchdog
  watchdog: add information from -watchdog help to -device help
  hw/i386: Rename default_bus_bypass_iommu
  hvf: Avoid mapping regions < PAGE_SIZE as ram
  configure: do not duplicate CPU_CFLAGS into QEMU_LDFLAGS
  configure: remove useless NPTL probe
  target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types
  optionrom: add a DMA-enabled multiboot ROM
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-11-03 13:07:30 -04:00
parent c55e3370c3 16bfbc70f3
commit b1fd92137e
47 changed files with 293 additions and 204 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
View File

@ -1611,7 +1611,7 @@ microvm
M: Sergio Lopez <slp@redhat.com>
M: Paolo Bonzini <pbonzini@redhat.com>
S: Maintained
F: docs/microvm.rst
F: docs/system/i386/microvm.rst
F: hw/i386/microvm.c
F: include/hw/i386/microvm.h
F: pc-bios/bios-microvm.bin

5
Makefile
View File

@ -235,7 +235,8 @@ distclean: clean
rm -f linux-headers/asm
rm -Rf .sdk
find-src-path = find "$(SRC_PATH)/" -path "$(SRC_PATH)/meson" -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
find-src-path = find "$(SRC_PATH)" -path "$(SRC_PATH)/meson" -prune -o \
-type l -prune -o \( -name "*.[chsS]" -o -name "*.[ch].inc" \)
.PHONY: ctags
ctags:
@ -256,7 +257,7 @@ gtags:
"GTAGS", "Remove old $@ files")
$(call quiet-command, \
(cd $(SRC_PATH) && \
$(find-src-path) | gtags -f -), \
$(find-src-path) -print | gtags -f -), \
"GTAGS", "Re-index $(SRC_PATH)")
.PHONY: TAGS

7
accel/hvf/hvf-accel-ops.c
View File

@ -122,6 +122,7 @@ static void hvf_set_phys_mem(MemoryRegionSection *section, bool add)
MemoryRegion *area = section->mr;
bool writeable = !area->readonly && !area->rom_device;
hv_memory_flags_t flags;
uint64_t page_size = qemu_real_host_page_size;
if (!memory_region_is_ram(area)) {
if (writeable) {
@ -135,6 +136,12 @@ static void hvf_set_phys_mem(MemoryRegionSection *section, bool add)
}
}
if (!QEMU_IS_ALIGNED(int128_get64(section->size), page_size) ||
!QEMU_IS_ALIGNED(section->offset_within_address_space, page_size)) {
/* Not page aligned, so we can not map as RAM */
add = false;
}
mem = hvf_find_overlap_slot(
section->offset_within_address_space,
int128_get64(section->size));

113
configure vendored
View File

@ -1259,45 +1259,20 @@ firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
localedir="${localedir:-$datadir/locale}"
case "$cpu" in
ppc)
CPU_CFLAGS="-m32"
QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
;;
ppc64)
CPU_CFLAGS="-m64"
QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
sparc)
CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
;;
sparc64)
CPU_CFLAGS="-m64 -mcpu=ultrasparc"
QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
s390)
CPU_CFLAGS="-m31"
QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
;;
s390x)
CPU_CFLAGS="-m64"
QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
i386)
CPU_CFLAGS="-m32"
QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
;;
x86_64)
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
CPU_CFLAGS="-m64 -mcx16"
QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
x32)
CPU_CFLAGS="-mx32"
QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
;;
ppc) CPU_CFLAGS="-m32" ;;
ppc64) CPU_CFLAGS="-m64" ;;
sparc) CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
sparc64) CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
s390) CPU_CFLAGS="-m31" ;;
s390x) CPU_CFLAGS="-m64" ;;
i386) CPU_CFLAGS="-m32" ;;
x32) CPU_CFLAGS="-mx32" ;;
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
x86_64) CPU_CFLAGS="-m64 -mcx16" ;;
# No special flags required for other host CPUs
esac
@ -1411,7 +1386,7 @@ Advanced options (experts only):
--disable-strip disable stripping binaries
--disable-werror disable compilation abort on warning
--disable-stack-protector disable compiler-provided stack protection
--audio-drv-list=LIST set audio drivers list
--audio-drv-list=LIST set audio drivers to try if -audiodev is not used
--block-drv-whitelist=L Same as --block-drv-rw-whitelist=L
--block-drv-rw-whitelist=L
set block driver read-write whitelist
@ -1521,7 +1496,7 @@ python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0]
python="$python -B"
if test -z "$meson"; then
if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.2; then
if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then
meson=meson
elif test $git_submodules_action != 'ignore' ; then
meson=git
@ -1745,17 +1720,6 @@ if test "$static" = "yes" ; then
fi
fi
# Unconditional check for compiler __thread support
cat > $TMPC << EOF
static __thread int tls_var;
int main(void) { return tls_var; }
EOF
if ! compile_prog "-Werror" "" ; then
error_exit "Your compiler does not support the __thread specifier for " \
"Thread-Local Storage (TLS). Please upgrade to a version that does."
fi
cat > $TMPC << EOF
#ifdef __linux__
@ -1767,9 +1731,11 @@ static THREAD int tls_var;
int main(void) { return tls_var; }
EOF
# Check we support --no-pie first; we will need this for building ROMs.
# Check we support -fno-pie and -no-pie first; we will need the former for
# building ROMs, and both for everything if --disable-pie is passed.
if compile_prog "-Werror -fno-pie" "-no-pie"; then
CFLAGS_NOPIE="-fno-pie"
LDFLAGS_NOPIE="-no-pie"
fi
if test "$static" = "yes"; then
@ -1785,6 +1751,7 @@ if test "$static" = "yes"; then
fi
elif test "$pie" = "no"; then
CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS"
CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS"
elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS"
CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS"
@ -1914,20 +1881,6 @@ if test -z "$want_tools"; then
fi
fi
##########################################
# L2TPV3 probe
cat > $TMPC <<EOF
#include <sys/socket.h>
#include <linux/ip.h>
int main(void) { return sizeof(struct mmsghdr); }
EOF
if compile_prog "" "" ; then
l2tpv3=yes
else
l2tpv3=no
fi
#########################################
# vhost interdependencies and host support
@ -1987,25 +1940,6 @@ if ! has "$pkg_config_exe"; then
error_exit "pkg-config binary '$pkg_config_exe' not found"
fi
##########################################
# NPTL probe
if test "$linux_user" = "yes"; then
cat > $TMPC <<EOF
#include <sched.h>
#include <linux/futex.h>
int main(void) {
#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
#error bork
#endif
return 0;
}
EOF
if ! compile_object ; then
feature_not_found "nptl" "Install glibc and linux kernel headers."
fi
fi
##########################################
# xen probe
@ -3551,9 +3485,6 @@ if test "$slirp_smbd" = "yes" ; then
echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak
echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
fi
if test "$l2tpv3" = "yes" ; then
echo "CONFIG_L2TPV3=y" >> $config_host_mak
fi
if test "$gprof" = "yes" ; then
echo "CONFIG_GPROF=y" >> $config_host_mak
fi
@ -3956,6 +3887,10 @@ for rom in seabios; do
echo "RANLIB=$ranlib" >> $config_mak
done
config_mak=pc-bios/optionrom/config.mak
echo "# Automatically generated by configure - do not modify" > $config_mak
echo "TOPSRC_DIR=$source_path" >> $config_mak
if test "$skip_meson" = no; then
cross="config-meson.cross.new"
meson_quote() {

5
docs/about/deprecated.rst
View File

@ -160,6 +160,11 @@ Use ``-display sdl`` instead.
Use ``-display curses`` instead.
``-watchdog`` (since 6.2)
'''''''''''''''''''''''''
Use ``-device`` instead.
``-smp`` ("parameter=0" SMP configurations) (since 6.2)
'''''''''''''''''''''''''''''''''''''''''''''''''''''''

2
hw/i386/intel_iommu.c
View File

@ -1105,7 +1105,7 @@ static int vtd_page_walk_one(IOMMUTLBEvent *event, vtd_page_walk_info *info)
.translated_addr = entry->translated_addr,
.perm = entry->perm,
};
DMAMap *mapped = iova_tree_find(as->iova_tree, &target);
const DMAMap *mapped = iova_tree_find(as->iova_tree, &target);
if (event->type == IOMMU_NOTIFIER_UNMAP && !info->notify_unmap) {
trace_vtd_page_walk_one_skip_unmap(entry->iova, entry->addr_mask);

5
hw/i386/microvm.c
View File

@ -332,7 +332,7 @@ static void microvm_memory_init(MicrovmMachineState *mms)
rom_set_fw(fw_cfg);
if (machine->kernel_filename != NULL) {
x86_load_linux(x86ms, fw_cfg, 0, true, true);
x86_load_linux(x86ms, fw_cfg, 0, true);
}
if (mms->option_roms) {
@ -669,6 +669,7 @@ static void microvm_machine_initfn(Object *obj)
static void microvm_class_init(ObjectClass *oc, void *data)
{
X86MachineClass *x86mc = X86_MACHINE_CLASS(oc);
MachineClass *mc = MACHINE_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
@ -699,6 +700,8 @@ static void microvm_class_init(ObjectClass *oc, void *data)
hc->unplug_request = microvm_device_unplug_request_cb;
hc->unplug = microvm_device_unplug_cb;
x86mc->fwcfg_dma_enabled = true;
object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto",
microvm_machine_get_pic,
microvm_machine_set_pic,

10
hw/i386/multiboot.c
View File

@ -143,7 +143,8 @@ static void mb_add_mod(MultibootState *s,
s->mb_mods_count++;
}
int load_multiboot(FWCfgState *fw_cfg,
int load_multiboot(X86MachineState *x86ms,
FWCfgState *fw_cfg,
FILE *f,
const char *kernel_filename,
const char *initrd_filename,
@ -151,6 +152,7 @@ int load_multiboot(FWCfgState *fw_cfg,
int kernel_file_size,
uint8_t *header)
{
bool multiboot_dma_enabled = X86_MACHINE_GET_CLASS(x86ms)->fwcfg_dma_enabled;
int i, is_multiboot = 0;
uint32_t flags = 0;
uint32_t mh_entry_addr;
@ -401,7 +403,11 @@ int load_multiboot(FWCfgState *fw_cfg,
fw_cfg_add_bytes(fw_cfg, FW_CFG_INITRD_DATA, mb_bootinfo_data,
sizeof(bootinfo));
option_rom[nb_option_roms].name = "multiboot.bin";
if (multiboot_dma_enabled) {
option_rom[nb_option_roms].name = "multiboot_dma.bin";
} else {
option_rom[nb_option_roms].name = "multiboot.bin";
}
option_rom[nb_option_roms].bootindex = 0;
nb_option_roms++;

4
hw/i386/multiboot.h
View File

@ -2,8 +2,10 @@
#define QEMU_MULTIBOOT_H
#include "hw/nvram/fw_cfg.h"
#include "hw/i386/x86.h"
int load_multiboot(FWCfgState *fw_cfg,
int load_multiboot(X86MachineState *x86ms,
FWCfgState *fw_cfg,
FILE *f,
const char *kernel_filename,
const char *initrd_filename,

10
hw/i386/pc.c
View File

@ -776,12 +776,13 @@ void xen_load_linux(PCMachineState *pcms)
rom_set_fw(fw_cfg);
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled);
pcmc->pvh_enabled);
for (i = 0; i < nb_option_roms; i++) {
assert(!strcmp(option_rom[i].name, "linuxboot.bin") ||
!strcmp(option_rom[i].name, "linuxboot_dma.bin") ||
!strcmp(option_rom[i].name, "pvh.bin") ||
!strcmp(option_rom[i].name, "multiboot.bin"));
!strcmp(option_rom[i].name, "multiboot.bin") ||
!strcmp(option_rom[i].name, "multiboot_dma.bin"));
rom_add_option(option_rom[i].name, option_rom[i].bootindex);
}
x86ms->fw_cfg = fw_cfg;
@ -928,7 +929,7 @@ void pc_memory_init(PCMachineState *pcms,
if (linux_boot) {
x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size,
pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled);
pcmc->pvh_enabled);
}
for (i = 0; i < nb_option_roms; i++) {
@ -1688,7 +1689,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
/* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported
* to be used at the moment, 32K should be enough for a while. */
pcmc->acpi_data_size = 0x20000 + 0x8000;
pcmc->linuxboot_dma_enabled = true;
pcmc->pvh_enabled = true;
pcmc->kvmclock_create_always = true;
assert(!mc->get_hotplug_handler);
@ -1742,7 +1742,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
object_class_property_add_bool(oc, "hpet",
pc_machine_get_hpet, pc_machine_set_hpet);
object_class_property_add_bool(oc, "default_bus_bypass_iommu",
object_class_property_add_bool(oc, "default-bus-bypass-iommu",
pc_machine_get_default_bus_bypass_iommu,
pc_machine_set_default_bus_bypass_iommu);

3
hw/i386/pc_piix.c
View File

@ -620,11 +620,12 @@ DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL,
static void pc_i440fx_2_6_machine_options(MachineClass *m)
{
X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_i440fx_2_7_machine_options(m);
pcmc->legacy_cpu_hotplug = true;
pcmc->linuxboot_dma_enabled = false;
x86mc->fwcfg_dma_enabled = false;
compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
}

3
hw/i386/pc_q35.c
View File

@ -573,11 +573,12 @@ DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
static void pc_q35_2_6_machine_options(MachineClass *m)
{
X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
pc_q35_2_7_machine_options(m);
pcmc->legacy_cpu_hotplug = true;
pcmc->linuxboot_dma_enabled = false;
x86mc->fwcfg_dma_enabled = false;
compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
}

7
hw/i386/x86.c
View File

@ -764,9 +764,9 @@ static bool load_elfboot(const char *kernel_filename,
void x86_load_linux(X86MachineState *x86ms,
FWCfgState *fw_cfg,
int acpi_data_size,
bool pvh_enabled,
bool linuxboot_dma_enabled)
bool pvh_enabled)
{
bool linuxboot_dma_enabled = X86_MACHINE_GET_CLASS(x86ms)->fwcfg_dma_enabled;
uint16_t protocol;
int setup_size, kernel_size, cmdline_size;
int dtb_size, setup_data_offset;
@ -814,7 +814,7 @@ void x86_load_linux(X86MachineState *x86ms,
* PVH), so we try multiboot first since we check the multiboot magic
* header before to load it.
*/
if (load_multiboot(fw_cfg, f, kernel_filename, initrd_filename,
if (load_multiboot(x86ms, fw_cfg, f, kernel_filename, initrd_filename,
kernel_cmdline, kernel_size, header)) {
return;
}
@ -1332,6 +1332,7 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids;
x86mc->compat_apic_id_mode = false;
x86mc->save_tsc_khz = true;
x86mc->fwcfg_dma_enabled = true;
nc->nmi_monitor_handler = x86_nmi;
object_class_property_add(oc, X86_MACHINE_SMM, "OnOffAuto",

10
hw/scsi/esp.c
View File

@ -204,11 +204,6 @@ static int esp_select(ESPState *s)
s->ti_size = 0;
fifo8_reset(&s->fifo);
if (s->current_req) {
/* Started a new command before the old one finished. Cancel it. */
scsi_req_cancel(s->current_req);
}
s->current_dev = scsi_device_find(&s->bus, 0, target, 0);
if (!s->current_dev) {
/* No such drive */
@ -235,6 +230,11 @@ static uint32_t get_cmd(ESPState *s, uint32_t maxlen)
uint32_t dmalen, n;
int target;
if (s->current_req) {
/* Started a new command before the old one finished. Cancel it. */
scsi_req_cancel(s->current_req);
}
target = s->wregs[ESP_WBUSID] & BUSID_DID;
if (s->dma) {
dmalen = MIN(esp_get_tc(s), maxlen);

3
hw/watchdog/sbsa_gwdt.c
View File

@ -273,8 +273,9 @@ static void wdt_sbsa_gwdt_class_init(ObjectClass *klass, void *data)
dc->realize = wdt_sbsa_gwdt_realize;
dc->reset = wdt_sbsa_gwdt_reset;
dc->hotpluggable = false;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
dc->vmsd = &vmstate_sbsa_gwdt;
dc->desc = "SBSA-compliant generic watchdog device";
}
static const TypeInfo wdt_sbsa_gwdt_info = {

14
hw/watchdog/watchdog.c
View File

@ -76,20 +76,6 @@ int select_watchdog(const char *p)
return 1;
}
int select_watchdog_action(const char *p)
{
int action;
char *qapi_value;
qapi_value = g_ascii_strdown(p, -1);
action = qapi_enum_parse(&WatchdogAction_lookup, qapi_value, -1, NULL);
g_free(qapi_value);
if (action < 0)
return -1;
qmp_watchdog_set_action(action, &error_abort);
return 0;
}
WatchdogAction get_watchdog_action(void)
{
return watchdog_action;

3
hw/watchdog/wdt_aspeed.c
View File

@ -293,9 +293,10 @@ static void aspeed_wdt_class_init(ObjectClass *klass, void *data)
dc->desc = "ASPEED Watchdog Controller";
dc->realize = aspeed_wdt_realize;
dc->reset = aspeed_wdt_reset;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
dc->vmsd = &vmstate_aspeed_wdt;
device_class_set_props(dc, aspeed_wdt_properties);
dc->desc = "Aspeed watchdog device";
}
static const TypeInfo aspeed_wdt_info = {

3
hw/watchdog/wdt_diag288.c
View File

@ -122,9 +122,10 @@ static void wdt_diag288_class_init(ObjectClass *klass, void *data)
dc->unrealize = wdt_diag288_unrealize;
dc->reset = wdt_diag288_reset;
dc->hotpluggable = false;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
dc->vmsd = &vmstate_diag288;
diag288->handle_timer = wdt_diag288_handle_timer;
dc->desc = "diag288 device for s390x platform";
}
static const TypeInfo wdt_diag288_info = {

3
hw/watchdog/wdt_i6300esb.c
View File

@ -476,7 +476,8 @@ static void i6300esb_class_init(ObjectClass *klass, void *data)
k->class_id = PCI_CLASS_SYSTEM_OTHER;
dc->reset = i6300esb_reset;
dc->vmsd = &vmstate_i6300esb;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
dc->desc = "Intel 6300ESB";
}
static const TypeInfo i6300esb_info = {

3
hw/watchdog/wdt_ib700.c
View File

@ -140,7 +140,8 @@ static void wdt_ib700_class_init(ObjectClass *klass, void *data)
dc->realize = wdt_ib700_realize;
dc->reset = wdt_ib700_reset;
dc->vmsd = &vmstate_ib700;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
dc->desc = "iBASE 700";
}
static const TypeInfo wdt_ib700_info = {

4
hw/watchdog/wdt_imx2.c
View File

@ -280,8 +280,8 @@ static void imx2_wdt_class_init(ObjectClass *klass, void *data)
dc->realize = imx2_wdt_realize;
dc->reset = imx2_wdt_reset;
dc->vmsd = &vmstate_imx2_wdt;
dc->desc = "i.MX watchdog timer";
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
dc->desc = "i.MX2 watchdog timer";
set_bit(DEVICE_CATEGORY_WATCHDOG, dc->categories);
}
static const TypeInfo imx2_wdt_info = {

3
include/hw/i386/pc.h
View File

@ -117,9 +117,6 @@ struct PCMachineClass {
/* generate legacy CPU hotplug AML */
bool legacy_cpu_hotplug;
/* use DMA capable linuxboot option rom */
bool linuxboot_dma_enabled;
/* use PVH to load kernels that support this feature */
bool pvh_enabled;

5
include/hw/i386/x86.h
View File

@ -38,6 +38,8 @@ struct X86MachineClass {
bool save_tsc_khz;
/* Enables contiguous-apic-ID mode */
bool compat_apic_id_mode;
/* use DMA capable linuxboot option rom */
bool fwcfg_dma_enabled;
};
struct X86MachineState {
@ -120,8 +122,7 @@ void x86_bios_rom_init(MachineState *ms, const char *default_firmware,
void x86_load_linux(X86MachineState *x86ms,
FWCfgState *fw_cfg,
int acpi_data_size,
bool pvh_enabled,
bool linuxboot_dma_enabled);
bool pvh_enabled);
bool x86_machine_is_smm_enabled(const X86MachineState *x86ms);
bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);

1
include/hw/qdev-core.h
View File

@ -26,6 +26,7 @@ typedef enum DeviceCategory {
DEVICE_CATEGORY_SOUND,
DEVICE_CATEGORY_MISC,
DEVICE_CATEGORY_CPU,
DEVICE_CATEGORY_WATCHDOG,
DEVICE_CATEGORY_MAX
} DeviceCategory;

8
include/qemu/iova-tree.h
View File

@ -59,7 +59,7 @@ IOVATree *iova_tree_new(void);
*
* Return: 0 if succeeded, or <0 if error.
*/
int iova_tree_insert(IOVATree *tree, DMAMap *map);
int iova_tree_insert(IOVATree *tree, const DMAMap *map);
/**
* iova_tree_remove:
@ -74,7 +74,7 @@ int iova_tree_insert(IOVATree *tree, DMAMap *map);
*
* Return: 0 if succeeded, or <0 if error.
*/
int iova_tree_remove(IOVATree *tree, DMAMap *map);
int iova_tree_remove(IOVATree *tree, const DMAMap *map);
/**
* iova_tree_find:
@ -92,7 +92,7 @@ int iova_tree_remove(IOVATree *tree, DMAMap *map);
* user is responsible to make sure the pointer is valid (say, no
* concurrent deletion in progress).
*/
DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map);
const DMAMap *iova_tree_find(const IOVATree *tree, const DMAMap *map);
/**
* iova_tree_find_address:
@ -105,7 +105,7 @@ DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map);
*
* Return: same as iova_tree_find().
*/
DMAMap *iova_tree_find_address(IOVATree *tree, hwaddr iova);
const DMAMap *iova_tree_find_address(const IOVATree *tree, hwaddr iova);
/**
* iova_tree_foreach:

1
include/sysemu/watchdog.h
View File

@ -37,7 +37,6 @@ typedef struct WatchdogTimerModel WatchdogTimerModel;
/* in hw/watchdog.c */
int select_watchdog(const char *p);
int select_watchdog_action(const char *action);
WatchdogAction get_watchdog_action(void);
void watchdog_add_model(WatchdogTimerModel *model);
void watchdog_perform_action(void);

2
meson

@ -1 +1 @@
Subproject commit b25d94e7c77fda05a7fdfe8afe562cf9760d69da
Subproject commit 12f9f04ba0decfda425dbbf9a501084c153a2d18

30
meson.build
View File

@ -909,7 +909,7 @@ if liblzfse.found() and not cc.links('''
endif
oss = not_found
if not get_option('oss').auto() or have_system
if have_system and not get_option('oss').disabled()
if not cc.has_header('sys/soundcard.h')
# not found
elif targetos == 'netbsd'
@ -922,8 +922,6 @@ if not get_option('oss').auto() or have_system
if not oss.found()
if get_option('oss').enabled()
error('OSS not found')
else
warning('OSS not found, disabling')
endif
endif
endif
@ -936,8 +934,6 @@ if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
if not dsound.found()
if get_option('dsound').enabled()
error('DirectSound not found')
else
warning('DirectSound not found, disabling')
endif
endif
endif
@ -946,22 +942,6 @@ coreaudio = not_found
if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
required: get_option('coreaudio'))
if coreaudio.found() and not cc.links('''
#include <CoreAudio/CoreAudio.h>
int main(void)
{
return (int)AudioGetCurrentHostTime();
}''')
coreaudio = not_found
endif
if not coreaudio.found()
if get_option('coreaudio').enabled()
error('CoreAudio not found')
else
warning('CoreAudio not found, disabling')
endif
endif
endif
opengl = not_found
@ -1676,6 +1656,13 @@ config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
return mlockall(MCL_FUTURE);
}'''))
have_l2tpv3 = false
if not get_option('l2tpv3').disabled() and have_system
have_l2tpv3 = (cc.has_header_symbol('sys/socket.h', 'struct mmsghdr')
and cc.has_header('linux/ip.h'))
endif
config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
have_netmap = false
if not get_option('netmap').disabled() and have_system
have_netmap = cc.compiles('''
@ -3395,6 +3382,7 @@ summary_info += {'JACK support': jack}
summary_info += {'brlapi support': brlapi}
summary_info += {'vde support': vde}
summary_info += {'netmap support': have_netmap}
summary_info += {'l2tpv3 support': have_l2tpv3}
summary_info += {'Linux AIO support': libaio}
summary_info += {'Linux io_uring support': linux_io_uring}
summary_info += {'ATTR/XATTR support': libattr}

2
meson_options.txt
View File

@ -141,6 +141,8 @@ option('u2f', type : 'feature', value : 'auto',
description: 'U2F emulation support')
option('usb_redir', type : 'feature', value : 'auto',
description: 'libusbredir support')
option('l2tpv3', type : 'feature', value : 'auto',
description: 'l2tpv3 network backend support')
option('netmap', type : 'feature', value : 'auto',
description: 'netmap network backend support')
option('vde', type : 'feature', value : 'auto',

15
monitor/misc.c
View File

@ -70,6 +70,7 @@
#include "qapi/qapi-commands-migration.h"
#include "qapi/qapi-commands-misc.h"
#include "qapi/qapi-commands-qom.h"
#include "qapi/qapi-commands-run-state.h"
#include "qapi/qapi-commands-trace.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-init-commands.h"
@ -472,10 +473,18 @@ static void hmp_gdbserver(Monitor *mon, const QDict *qdict)
static void hmp_watchdog_action(Monitor *mon, const QDict *qdict)
{
const char *action = qdict_get_str(qdict, "action");
if (select_watchdog_action(action) == -1) {
monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
Error *err = NULL;
WatchdogAction action;
char *qapi_value;
qapi_value = g_ascii_strdown(qdict_get_str(qdict, "action"), -1);
action = qapi_enum_parse(&WatchdogAction_lookup, qapi_value, -1, &err);
g_free(qapi_value);
if (err) {
hmp_handle_error(mon, err);
return;
}
qmp_watchdog_set_action(action, &error_abort);
}
static void monitor_printc(Monitor *mon, int c)

4
net/meson.build
View File

@ -18,7 +18,9 @@ softmmu_ss.add(files(
softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('filter-replay.c'))
softmmu_ss.add(when: 'CONFIG_L2TPV3', if_true: files('l2tpv3.c'))
if have_l2tpv3
softmmu_ss.add(files('l2tpv3.c'))
endif
softmmu_ss.add(when: slirp, if_true: files('slirp.c'))
softmmu_ss.add(when: vde, if_true: files('vde.c'))
if have_netmap

1
pc-bios/meson.build
View File

@ -63,6 +63,7 @@ blobs = files(
'petalogix-s3adsp1800.dtb',
'petalogix-ml605.dtb',
'multiboot.bin',
'multiboot_dma.bin',
'linuxboot.bin',
'linuxboot_dma.bin',
'kvmvapic.bin',

BIN
pc-bios/multiboot_dma.bin Normal file
View File

Binary file not shown.

9
pc-bios/optionrom/Makefile
View File

@ -1,9 +1,8 @@
CURRENT_MAKEFILE := $(realpath $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))
SRC_DIR := $(dir $(CURRENT_MAKEFILE))
TOPSRC_DIR := $(SRC_DIR)/../..
include config.mak
SRC_DIR := $(TOPSRC_DIR)/pc-bios/optionrom
VPATH = $(SRC_DIR)
all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
all: multiboot.bin multiboot_dma.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
# Dummy command so that make thinks it has done something
@true
@ -42,8 +41,6 @@ override CFLAGS += $(call cc-option, $(Wa)-32)
LD_I386_EMULATION ?= elf_i386
override LDFLAGS = -m $(LD_I386_EMULATION) -T $(SRC_DIR)/flat.lds
all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
pvh.img: pvh.o pvh_main.o
%.o: %.S

4
pc-bios/optionrom/multiboot.S
View File

@ -68,7 +68,7 @@ run_multiboot:
mov %eax, %es
/* Read the bootinfo struct into RAM */
read_fw_blob(FW_CFG_INITRD)
read_fw_blob_dma(FW_CFG_INITRD)
/* FS = bootinfo_struct */
read_fw FW_CFG_INITRD_ADDR
@ -188,7 +188,7 @@ prot_mode:
movl %eax, %gs
/* Read the kernel and modules into RAM */
read_fw_blob(FW_CFG_KERNEL)
read_fw_blob_dma(FW_CFG_KERNEL)
/* Jump off to the kernel */
read_fw FW_CFG_KERNEL_ENTRY

2
pc-bios/optionrom/multiboot_dma.S Normal file
View File

@ -0,0 +1,2 @@
#define USE_FW_CFG_DMA 1
#include "multiboot.S"

66
pc-bios/optionrom/optionrom.h
View File

@ -37,6 +37,17 @@
#define BIOS_CFG_IOPORT_CFG 0x510
#define BIOS_CFG_IOPORT_DATA 0x511
#define FW_CFG_DMA_CTL_ERROR 0x01
#define FW_CFG_DMA_CTL_READ 0x02
#define FW_CFG_DMA_CTL_SKIP 0x04
#define FW_CFG_DMA_CTL_SELECT 0x08
#define FW_CFG_DMA_CTL_WRITE 0x10
#define FW_CFG_DMA_SIGNATURE 0x51454d5520434647ULL /* "QEMU CFG" */
#define BIOS_CFG_DMA_ADDR_HIGH 0x514
#define BIOS_CFG_DMA_ADDR_LOW 0x518
/* Break the translation block flow so -d cpu shows us values */
#define DEBUG_HERE \
jmp 1f; \
@ -62,6 +73,61 @@
bswap %eax
.endm
/*
* Read data from the fw_cfg device using DMA.
* Clobbers: %edx, %eax, ADDR, SIZE, memory[%esp-16] to memory[%esp]
*/
.macro read_fw_dma VAR, SIZE, ADDR
/* Address */
bswapl \ADDR
pushl \ADDR
/* We only support 32 bit target addresses */
xorl %eax, %eax
pushl %eax
mov $BIOS_CFG_DMA_ADDR_HIGH, %dx
outl %eax, (%dx)
/* Size */
bswapl \SIZE
pushl \SIZE
/* Control */
movl $(\VAR << 16) | (FW_CFG_DMA_CTL_READ | FW_CFG_DMA_CTL_SELECT), %eax
bswapl %eax
pushl %eax
movl %esp, %eax /* Address of the struct we generated */
bswapl %eax
mov $BIOS_CFG_DMA_ADDR_LOW, %dx
outl %eax, (%dx) /* Initiate DMA */
1: mov (%esp), %eax /* Wait for completion */
bswapl %eax
testl $~FW_CFG_DMA_CTL_ERROR, %eax
jnz 1b
addl $16, %esp
.endm
/*
* Read a blob from the fw_cfg device using DMA
* Requires _ADDR, _SIZE and _DATA values for the parameter.
*
* Clobbers: %eax, %edx, %es, %ecx, %edi and adresses %esp-20 to %esp
*/
#ifdef USE_FW_CFG_DMA
#define read_fw_blob_dma(var) \
read_fw var ## _SIZE; \
mov %eax, %ecx; \
read_fw var ## _ADDR; \
mov %eax, %edi ;\
read_fw_dma var ## _DATA, %ecx, %edi
#else
#define read_fw_blob_dma(var) read_fw_blob(var)
#endif
#define read_fw_blob_pre(var) \
read_fw var ## _SIZE; \
mov %eax, %ecx; \

16
scripts/meson-buildoptions.py
View File

@ -150,23 +150,7 @@ def print_parse(options):
print("}")
def fixup_options(options):
# Meson <= 0.60 does not include the choices in array options, fix that up
for opt in options:
if opt["name"] == "trace_backends":
opt["choices"] = [
"dtrace",
"ftrace",
"log",
"nop",
"simple",
"syslog",
"ust",
]
options = load_options(json.load(sys.stdin))
fixup_options(options)
print("# This file is generated by meson-buildoptions.py, do not edit!")
print_help(options)
print_parse(options)

3
scripts/meson-buildoptions.sh
View File

@ -49,6 +49,7 @@ meson_options_help() {
printf "%s\n" ' iconv Font glyph conversion support'
printf "%s\n" ' jack JACK sound support'
printf "%s\n" ' kvm KVM acceleration support'
printf "%s\n" ' l2tpv3 l2tpv3 network backend support'
printf "%s\n" ' libdaxctl libdaxctl support'
printf "%s\n" ' libiscsi libiscsi userspace initiator'
printf "%s\n" ' libnfs libnfs block device driver'
@ -166,6 +167,8 @@ _meson_option_parse() {
--disable-jack) printf "%s" -Djack=disabled ;;
--enable-kvm) printf "%s" -Dkvm=enabled ;;
--disable-kvm) printf "%s" -Dkvm=disabled ;;
--enable-l2tpv3) printf "%s" -Dl2tpv3=enabled ;;
--disable-l2tpv3) printf "%s" -Dl2tpv3=disabled ;;
--enable-libdaxctl) printf "%s" -Dlibdaxctl=enabled ;;
--disable-libdaxctl) printf "%s" -Dlibdaxctl=disabled ;;
--enable-libiscsi) printf "%s" -Dlibiscsi=enabled ;;

1
softmmu/qdev-monitor.c
View File

@ -165,6 +165,7 @@ static void qdev_print_devinfos(bool show_no_user)
[DEVICE_CATEGORY_SOUND] = "Sound",
[DEVICE_CATEGORY_MISC] = "Misc",
[DEVICE_CATEGORY_CPU] = "CPU",
[DEVICE_CATEGORY_WATCHDOG]= "Watchdog",
[DEVICE_CATEGORY_MAX] = "Uncategorized",
};
GSList *list, *elt;

11
softmmu/vl.c
View File

@ -3256,6 +3256,7 @@ void qemu_init(int argc, char **argv, char **envp)
error_report("only one watchdog option may be given");
exit(1);
}
warn_report("-watchdog is deprecated; use -device instead.");
watchdog = optarg;
break;
case QEMU_OPTION_action:
@ -3264,12 +3265,12 @@ void qemu_init(int argc, char **argv, char **envp)
exit(1);
}
break;
case QEMU_OPTION_watchdog_action:
if (select_watchdog_action(optarg) == -1) {
error_report("unknown -watchdog-action parameter");
exit(1);
}
case QEMU_OPTION_watchdog_action: {
QemuOpts *opts;
opts = qemu_opts_create(qemu_find_opts("action"), NULL, 0, &error_abort);
qemu_opt_set(opts, "watchdog", optarg, &error_abort);
break;
}
case QEMU_OPTION_parallel:
add_device_config(DEV_PARALLEL, optarg);
default_parallel = 0;

5
target/i386/cpu.c
View File

@ -5928,6 +5928,11 @@ static void x86_cpu_reset(DeviceState *dev)
}
x86_cpu_set_sgxlepubkeyhash(env);
if (env->features[FEAT_SVM] & CPUID_SVM_TSCSCALE) {
env->amd_tsc_scale_msr = MSR_AMD64_TSC_RATIO_DEFAULT;
}
#endif
}

4
target/i386/cpu.h
View File

@ -499,6 +499,9 @@ typedef enum X86Seg {
#define MSR_GSBASE 0xc0000101
#define MSR_KERNELGSBASE 0xc0000102
#define MSR_TSC_AUX 0xc0000103
#define MSR_AMD64_TSC_RATIO 0xc0000104
#define MSR_AMD64_TSC_RATIO_DEFAULT 0x100000000ULL
#define MSR_VM_HSAVE_PA 0xc0010117
@ -1536,6 +1539,7 @@ typedef struct CPUX86State {
uint32_t tsx_ctrl;
uint64_t spec_ctrl;
uint64_t amd_tsc_scale_msr;
uint64_t virt_ssbd;
/* End of state preserved by INIT (dummy marker). */

15
target/i386/kvm/kvm.c
View File

@ -105,6 +105,7 @@ static bool has_msr_hv_reenlightenment;
static bool has_msr_xss;
static bool has_msr_umwait;
static bool has_msr_spec_ctrl;
static bool has_tsc_scale_msr;
static bool has_msr_tsx_ctrl;
static bool has_msr_virt_ssbd;
static bool has_msr_smi_count;
@ -2216,6 +2217,9 @@ static int kvm_get_supported_msrs(KVMState *s)
case MSR_IA32_SPEC_CTRL:
has_msr_spec_ctrl = true;
break;
case MSR_AMD64_TSC_RATIO:
has_tsc_scale_msr = true;
break;
case MSR_IA32_TSX_CTRL:
has_msr_tsx_ctrl = true;
break;
@ -2972,6 +2976,10 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
if (has_msr_spec_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_SPEC_CTRL, env->spec_ctrl);
}
if (has_tsc_scale_msr) {
kvm_msr_entry_add(cpu, MSR_AMD64_TSC_RATIO, env->amd_tsc_scale_msr);
}
if (has_msr_tsx_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_TSX_CTRL, env->tsx_ctrl);
}
@ -3377,6 +3385,10 @@ static int kvm_get_msrs(X86CPU *cpu)
if (has_msr_spec_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_SPEC_CTRL, 0);
}
if (has_tsc_scale_msr) {
kvm_msr_entry_add(cpu, MSR_AMD64_TSC_RATIO, 0);
}
if (has_msr_tsx_ctrl) {
kvm_msr_entry_add(cpu, MSR_IA32_TSX_CTRL, 0);
}
@ -3788,6 +3800,9 @@ static int kvm_get_msrs(X86CPU *cpu)
case MSR_IA32_SPEC_CTRL:
env->spec_ctrl = msrs[i].data;
break;
case MSR_AMD64_TSC_RATIO:
env->amd_tsc_scale_msr = msrs[i].data;
break;
case MSR_IA32_TSX_CTRL:
env->tsx_ctrl = msrs[i].data;
break;

22
target/i386/machine.c
View File

@ -1280,6 +1280,27 @@ static const VMStateDescription vmstate_spec_ctrl = {
}
};
static bool amd_tsc_scale_msr_needed(void *opaque)
{
X86CPU *cpu = opaque;
CPUX86State *env = &cpu->env;
return (env->features[FEAT_SVM] & CPUID_SVM_TSCSCALE);
}
static const VMStateDescription amd_tsc_scale_msr_ctrl = {
.name = "cpu/amd_tsc_scale_msr",
.version_id = 1,
.minimum_version_id = 1,
.needed = amd_tsc_scale_msr_needed,
.fields = (VMStateField[]){
VMSTATE_UINT64(env.amd_tsc_scale_msr, X86CPU),
VMSTATE_END_OF_LIST()
}
};
static bool intel_pt_enable_needed(void *opaque)
{
X86CPU *cpu = opaque;
@ -1558,6 +1579,7 @@ const VMStateDescription vmstate_x86_cpu = {
&vmstate_pkru,
&vmstate_pkrs,
&vmstate_spec_ctrl,
&amd_tsc_scale_msr_ctrl,
&vmstate_mcg_ext_ctl,
&vmstate_msr_intel_pt,
&vmstate_msr_virt_ssbd,

36
tests/qtest/am53c974-test.c
View File

@ -189,6 +189,40 @@ static void test_cancelled_request_ok(void)
qtest_quit(s);
}
static void test_inflight_cancel_ok(void)
{
QTestState *s = qtest_init(
"-device am53c974,id=scsi "
"-device scsi-hd,drive=disk0 -drive "
"id=disk0,if=none,file=null-co://,format=raw -nodefaults");
qtest_outl(s, 0xcf8, 0x80001000);
qtest_inw(s, 0xcfc);
qtest_outl(s, 0xcf8, 0x80001010);
qtest_outl(s, 0xcfc, 0xffffffff);
qtest_outl(s, 0xcf8, 0x80001010);
qtest_inl(s, 0xcfc);
qtest_outl(s, 0xcf8, 0x80001010);
qtest_outl(s, 0xcfc, 0xc001);
qtest_outl(s, 0xcf8, 0x80001004);
qtest_inw(s, 0xcfc);
qtest_outl(s, 0xcf8, 0x80001004);
qtest_outw(s, 0xcfc, 0x7);
qtest_outl(s, 0xcf8, 0x80001004);
qtest_inw(s, 0xcfc);
qtest_inb(s, 0xc000);
qtest_outb(s, 0xc008, 0x8);
qtest_outw(s, 0xc00b, 0x4100);
qtest_outb(s, 0xc009, 0x0);
qtest_outb(s, 0xc009, 0x0);
qtest_outw(s, 0xc00b, 0xc212);
qtest_outl(s, 0xc042, 0x2c2c5a88);
qtest_outw(s, 0xc00b, 0xc212);
qtest_outw(s, 0xc00b, 0x415a);
qtest_outl(s, 0xc03f, 0x3060303);
qtest_outl(s, 0xc00b, 0x5afa9054);
qtest_quit(s);
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
@ -212,6 +246,8 @@ int main(int argc, char **argv)
test_fifo_underflow_on_write_ok);
qtest_add_func("am53c974/test_cancelled_request_ok",
test_cancelled_request_ok);
qtest_add_func("am53c974/test_inflight_cancel_ok",
test_inflight_cancel_ok);
}
return g_test_run();

12
util/iova-tree.c
View File

@ -42,14 +42,14 @@ IOVATree *iova_tree_new(void)
return iova_tree;
}
DMAMap *iova_tree_find(IOVATree *tree, DMAMap *map)
const DMAMap *iova_tree_find(const IOVATree *tree, const DMAMap *map)
{
return g_tree_lookup(tree->tree, map);
}
DMAMap *iova_tree_find_address(IOVATree *tree, hwaddr iova)
const DMAMap *iova_tree_find_address(const IOVATree *tree, hwaddr iova)
{
DMAMap map = { .iova = iova, .size = 0 };
const DMAMap map = { .iova = iova, .size = 0 };
return iova_tree_find(tree, &map);
}
@ -60,7 +60,7 @@ static inline void iova_tree_insert_internal(GTree *gtree, DMAMap *range)
g_tree_insert(gtree, range, range);
}
int iova_tree_insert(IOVATree *tree, DMAMap *map)
int iova_tree_insert(IOVATree *tree, const DMAMap *map)
{
DMAMap *new;
@ -96,9 +96,9 @@ void iova_tree_foreach(IOVATree *tree, iova_tree_iterator iterator)
g_tree_foreach(tree->tree, iova_tree_traverse, iterator);
}
int iova_tree_remove(IOVATree *tree, DMAMap *map)
int iova_tree_remove(IOVATree *tree, const DMAMap *map)
{
DMAMap *overlap;
const DMAMap *overlap;
while ((overlap = iova_tree_find(tree, map))) {
g_tree_remove(tree->tree, overlap);