rust: split "util" crate

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20250827104147.717203-7-marcandre.lureau@redhat.com
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

6 files changed, 10 insertions, 7 deletions

diff --git a/rust/hw/char/pl011/Cargo.toml b/rust/hw/char/pl011/Cargo.toml
index 6d15f107df..0cf9943fe8 100644
--- a/rust/hw/char/pl011/Cargo.toml
+++ b/rust/hw/char/pl011/Cargo.toml
@@ -17,6 +17,7 @@ bilge = { version = "0.2.0" }
 bilge-impl = { version = "0.2.0" }
 bits = { path = "../../../bits" }
 common = { path = "../../../common" }
+util = { path = "../../../util" }
 qemu_api = { path = "../../../qemu-api" }
 qemu_api_macros = { path = "../../../qemu-api-macros" }
 
diff --git a/rust/hw/char/pl011/meson.build b/rust/hw/char/pl011/meson.build
index c4a9f531f7..8a931a4d03 100644
--- a/rust/hw/char/pl011/meson.build
+++ b/rust/hw/char/pl011/meson.build
@@ -9,6 +9,7 @@ _libpl011_rs = static_library(
     bits_rs,
     common_rs,
     qemu_api_rs,
+    util_rs,
     qemu_api_macros,
   ],
 )
diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs
index b4aa6c45f8..ab38d57fc4 100644
--- a/rust/hw/char/pl011/src/device.rs
+++ b/rust/hw/char/pl011/src/device.rs
@@ -9,8 +9,6 @@ use qemu_api::{
     chardev::{CharBackend, Chardev, Event},
     impl_vmstate_forward, impl_vmstate_struct,
     irq::{IRQState, InterruptSource},
-    log::Log,
-    log_mask_ln,
     memory::{hwaddr, MemoryRegion, MemoryRegionOps, MemoryRegionOpsBuilder},
     prelude::*,
     qdev::{Clock, ClockEvent, DeviceImpl, DeviceState, ResetType, ResettablePhasesImpl},
@@ -19,6 +17,7 @@ use qemu_api::{
     vmstate::{self, VMStateDescription, VMStateDescriptionBuilder},
     vmstate_fields, vmstate_of, vmstate_subsections, vmstate_unused,
 };
+use util::{log::Log, log_mask_ln};
 
 use crate::registers::{self, Interrupt, RegisterOffset};
 
@@ -172,7 +171,7 @@ impl ObjectImpl for PL011State {
 
 impl DeviceImpl for PL011State {
     const VMSTATE: Option<VMStateDescription<Self>> = Some(VMSTATE_PL011);
-    const REALIZE: Option<fn(&Self) -> qemu_api::Result<()>> = Some(Self::realize);
+    const REALIZE: Option<fn(&Self) -> util::Result<()>> = Some(Self::realize);
 }
 
 impl ResettablePhasesImpl for PL011State {
@@ -623,7 +622,7 @@ impl PL011State {
         }
     }
 
-    fn realize(&self) -> qemu_api::Result<()> {
+    fn realize(&self) -> util::Result<()> {
         self.char_backend
             .enable_handlers(self, Self::can_receive, Self::receive, Self::event);
         Ok(())
diff --git a/rust/hw/timer/hpet/Cargo.toml b/rust/hw/timer/hpet/Cargo.toml
index ba7354f07e..dd9a5ed3d4 100644
--- a/rust/hw/timer/hpet/Cargo.toml
+++ b/rust/hw/timer/hpet/Cargo.toml
@@ -12,6 +12,7 @@ rust-version.workspace = true
 
 [dependencies]
 common = { path = "../../../common" }
+util = { path = "../../../util" }
 qemu_api = { path = "../../../qemu-api" }
 qemu_api_macros = { path = "../../../qemu-api-macros" }
 
diff --git a/rust/hw/timer/hpet/meson.build b/rust/hw/timer/hpet/meson.build
index c91d330439..ca09660bf4 100644
--- a/rust/hw/timer/hpet/meson.build
+++ b/rust/hw/timer/hpet/meson.build
@@ -6,6 +6,7 @@ _libhpet_rs = static_library(
   dependencies: [
     common_rs,
     qemu_api_rs,
+    util_rs,
     qemu_api_macros,
   ],
 )
diff --git a/rust/hw/timer/hpet/src/device.rs b/rust/hw/timer/hpet/src/device.rs
index 72375d3155..2be180fded 100644
--- a/rust/hw/timer/hpet/src/device.rs
+++ b/rust/hw/timer/hpet/src/device.rs
@@ -27,10 +27,10 @@ use qemu_api::{
     qom::{ObjectImpl, ObjectType, ParentField, ParentInit},
     qom_isa,
     sysbus::{SysBusDevice, SysBusDeviceImpl},
-    timer::{Timer, CLOCK_VIRTUAL, NANOSECONDS_PER_SECOND},
     vmstate::{self, VMStateDescription, VMStateDescriptionBuilder},
     vmstate_fields, vmstate_of, vmstate_subsections, vmstate_validate,
 };
+use util::timer::{Timer, CLOCK_VIRTUAL, NANOSECONDS_PER_SECOND};
 
 use crate::fw_cfg::HPETFwConfig;
 
@@ -728,7 +728,7 @@ impl HPETState {
         }
     }
 
-    fn realize(&self) -> qemu_api::Result<()> {
+    fn realize(&self) -> util::Result<()> {
         if self.num_timers < HPET_MIN_TIMERS || self.num_timers > HPET_MAX_TIMERS {
             Err(format!(
                 "hpet.num_timers must be between {HPET_MIN_TIMERS} and {HPET_MAX_TIMERS}"
@@ -1013,7 +1013,7 @@ unsafe impl qemu_api::qdev::DevicePropertiesImpl for HPETState {
 
 impl DeviceImpl for HPETState {
     const VMSTATE: Option<VMStateDescription<Self>> = Some(VMSTATE_HPET);
-    const REALIZE: Option<fn(&Self) -> qemu_api::Result<()>> = Some(Self::realize);
+    const REALIZE: Option<fn(&Self) -> util::Result<()>> = Some(Self::realize);
 }
 
 impl ResettablePhasesImpl for HPETState {