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Merge tag 'hw-misc-accel-20240604' of https://github.com/philmd/qemu into staging

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Misc HW & accelerators patch queue

- Use async exit in debugexit model (Thomas)
- Fixed bug reading xlnx_dpdma descriptor (Peter)
- Initialise plugin state before vCPU/thread creation (Alex)
- Few sprintf() calls removed (Richard & Philippe)
- Few deprecated QMP events removed (Philippe)
- Housekeeping in Xen (Edgar & Philippe)
- Split USB HID/HUB & update MAINTAINERS (Gerd)

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# gpg: Signature made Tue 04 Jun 2024 04:54:27 AM CDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'hw-misc-accel-20240604' of https://github.com/philmd/qemu: (32 commits)
  usb: add config options for the hub and hid devices
  qga: Remove deprecated 'blacklist' argument / config key
  trace: Remove deprecated 'vcpu' field from QMP trace events
  hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event
  hw/dma/xlnx_dpdma: Read descriptor into buffer, not into pointer-to-buffer
  hw/misc/debugexit: use runstate API instead of plain exit()
  hw/xen: Register framebuffer backend via xen_backend_init()
  hw/xen: Make XenDevOps structures const
  hw/xen: Constify xenstore_be::XenDevOps
  hw/xen: Constify XenLegacyDevice::XenDevOps
  physmem: Replace check for RAMBlock offset 0 with xen_mr_is_memory
  physmem: Always pass offset + addr to xen_map_cache
  xen: Add xen_mr_is_memory()
  core/cpu-common: initialise plugin state before thread creation
  plugins: remove special casing for cpu->realized
  cpu-target: don't set cpu->thread_id to bogus value
  cpu: move Qemu[Thread|Cond] setup into common code
  hw/core: expand on the alignment of CPUState
  accel/kvm: Fix two lines with hard-coded tabs
  accel/tcg: Move common declarations to 'internal-common.h'
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2024-06-04 14:53:05 -05:00
parent 6e47f7cfcd 7c2397643c
commit d16cab541a
53 changed files with 216 additions and 265 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MAINTAINERS
+1 -3
View File
@@ -2142,8 +2142,7 @@ F: tests/qtest/fuzz-sdcard-test.c
F: tests/qtest/sdhci-test.c
USB
M: Gerd Hoffmann <kraxel@redhat.com>
S: Odd Fixes
S: Orphan
F: hw/usb/*
F: stubs/usb-dev-stub.c
F: tests/qtest/usb-*-test.c
@@ -2152,7 +2151,6 @@ F: include/hw/usb.h
F: include/hw/usb/
USB (serial adapter)
R: Gerd Hoffmann <kraxel@redhat.com>
M: Samuel Thibault <samuel.thibault@ens-lyon.org>
S: Maintained
F: hw/usb/dev-serial.c
accel/dummy-cpus.c
-3
View File
@@ -68,9 +68,6 @@ void dummy_start_vcpu_thread(CPUState *cpu)
{
char thread_name[VCPU_THREAD_NAME_SIZE];
cpu->thread = g_malloc0(sizeof(QemuThread));
cpu->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(cpu->halt_cond);
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/DUMMY",
cpu->cpu_index);
qemu_thread_create(cpu->thread, thread_name, dummy_cpu_thread_fn, cpu,
accel/hvf/hvf-accel-ops.c
-4
View File
@@ -463,10 +463,6 @@ static void hvf_start_vcpu_thread(CPUState *cpu)
*/
assert(hvf_enabled());
cpu->thread = g_malloc0(sizeof(QemuThread));
cpu->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(cpu->halt_cond);
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HVF",
cpu->cpu_index);
qemu_thread_create(cpu->thread, thread_name, hvf_cpu_thread_fn,
accel/kvm/kvm-accel-ops.c
-3
View File
@@ -66,9 +66,6 @@ static void kvm_start_vcpu_thread(CPUState *cpu)
{
char thread_name[VCPU_THREAD_NAME_SIZE];
cpu->thread = g_malloc0(sizeof(QemuThread));
cpu->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(cpu->halt_cond);
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/KVM",
cpu->cpu_index);
qemu_thread_create(cpu->thread, thread_name, kvm_vcpu_thread_fn,
accel/kvm/kvm-all.c
+2 -2
View File
@@ -2893,7 +2893,7 @@ int kvm_convert_memory(hwaddr start, hwaddr size, bool to_private)
!memory_region_is_ram_device(mr) &&
!memory_region_is_rom(mr) &&
!memory_region_is_romd(mr)) {
ret = 0;
ret = 0;
} else {
error_report("Convert non guest_memfd backed memory region "
"(0x%"HWADDR_PRIx" ,+ 0x%"HWADDR_PRIx") to %s",
@@ -2964,7 +2964,7 @@ int kvm_cpu_exec(CPUState *cpu)
kvm_arch_pre_run(cpu, run);
if (qatomic_read(&cpu->exit_request)) {
trace_kvm_interrupt_exit_request();
trace_kvm_interrupt_exit_request();
/*
* KVM requires us to reenter the kernel after IO exits to complete
* instruction emulation. This self-signal will ensure that we
accel/tcg/internal-common.h
+15
View File
@@ -15,6 +15,8 @@
extern int64_t max_delay;
extern int64_t max_advance;
extern bool one_insn_per_tb;
/*
* Return true if CS is not running in parallel with other cpus, either
* because there are no other cpus or we are within an exclusive context.
@@ -41,4 +43,17 @@ static inline bool cpu_plugin_mem_cbs_enabled(const CPUState *cpu)
#endif
}
TranslationBlock *tb_gen_code(CPUState *cpu, vaddr pc,
uint64_t cs_base, uint32_t flags,
int cflags);
void page_init(void);
void tb_htable_init(void);
void tb_reset_jump(TranslationBlock *tb, int n);
TranslationBlock *tb_link_page(TranslationBlock *tb);
void cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
uintptr_t host_pc);
bool tcg_exec_realizefn(CPUState *cpu, Error **errp);
void tcg_exec_unrealizefn(CPUState *cpu);
#endif
accel/tcg/internal-target.h
-14
View File
@@ -69,19 +69,7 @@ void tb_invalidate_phys_range_fast(ram_addr_t ram_addr,
G_NORETURN void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr);
#endif /* CONFIG_SOFTMMU */
TranslationBlock *tb_gen_code(CPUState *cpu, vaddr pc,
uint64_t cs_base, uint32_t flags,
int cflags);
void page_init(void);
void tb_htable_init(void);
void tb_reset_jump(TranslationBlock *tb, int n);
TranslationBlock *tb_link_page(TranslationBlock *tb);
bool tb_invalidate_phys_page_unwind(tb_page_addr_t addr, uintptr_t pc);
void cpu_restore_state_from_tb(CPUState *cpu, TranslationBlock *tb,
uintptr_t host_pc);
bool tcg_exec_realizefn(CPUState *cpu, Error **errp);
void tcg_exec_unrealizefn(CPUState *cpu);
/* Return the current PC from CPU, which may be cached in TB. */
static inline vaddr log_pc(CPUState *cpu, const TranslationBlock *tb)
@@ -93,8 +81,6 @@ static inline vaddr log_pc(CPUState *cpu, const TranslationBlock *tb)
}
}
extern bool one_insn_per_tb;
/**
* tcg_req_mo:
* @type: TCGBar
accel/tcg/tcg-accel-ops-mttcg.c
-4
View File
@@ -137,10 +137,6 @@ void mttcg_start_vcpu_thread(CPUState *cpu)
g_assert(tcg_enabled());
tcg_cpu_init_cflags(cpu, current_machine->smp.max_cpus > 1);
cpu->thread = g_new0(QemuThread, 1);
cpu->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(cpu->halt_cond);
/* create a thread per vCPU with TCG (MTTCG) */
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/TCG",
cpu->cpu_index);
accel/tcg/tcg-accel-ops-rr.c
+7 -7
View File
@@ -317,22 +317,22 @@ void rr_start_vcpu_thread(CPUState *cpu)
tcg_cpu_init_cflags(cpu, false);
if (!single_tcg_cpu_thread) {
cpu->thread = g_new0(QemuThread, 1);
cpu->halt_cond = g_new0(QemuCond, 1);
qemu_cond_init(cpu->halt_cond);
single_tcg_halt_cond = cpu->halt_cond;
single_tcg_cpu_thread = cpu->thread;
/* share a single thread for all cpus with TCG */
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "ALL CPUs/TCG");
qemu_thread_create(cpu->thread, thread_name,
rr_cpu_thread_fn,
cpu, QEMU_THREAD_JOINABLE);
single_tcg_halt_cond = cpu->halt_cond;
single_tcg_cpu_thread = cpu->thread;
} else {
/* we share the thread */
/* we share the thread, dump spare data */
g_free(cpu->thread);
qemu_cond_destroy(cpu->halt_cond);
cpu->thread = single_tcg_cpu_thread;
cpu->halt_cond = single_tcg_halt_cond;
/* copy the stuff done at start of rr_cpu_thread_fn */
cpu->thread_id = first_cpu->thread_id;
cpu->neg.can_do_io = 1;
cpu->created = true;
accel/tcg/tcg-all.c
+1 -1
View File
@@ -38,7 +38,7 @@
#if !defined(CONFIG_USER_ONLY)
#include "hw/boards.h"
#endif
#include "internal-target.h"
#include "internal-common.h"
struct TCGState {
AccelState parent_obj;
cpu-target.c
-1
View File
@@ -241,7 +241,6 @@ void cpu_exec_initfn(CPUState *cpu)
cpu->num_ases = 0;
#ifndef CONFIG_USER_ONLY
cpu->thread_id = qemu_get_thread_id();
cpu->memory = get_system_memory();
object_ref(OBJECT(cpu->memory));
#endif
disas/m68k.c
+1 -1
View File
@@ -1000,7 +1000,7 @@ print_indexed (int basereg,
/* Generate the text for the index register.
Where this will be output is not yet determined. */
sprintf (buf, "%s:%c%s",
snprintf(buf, sizeof(buf), "%s:%c%s",
reg_names[(word >> 12) & 0xf],
(word & 0x800) ? 'l' : 'w',
scales[(word >> 9) & 3]);
disas/microblaze.c
+16 -9
View File
@@ -600,7 +600,8 @@ static char *
get_field (long instr, long mask, unsigned short low)
{
char tmpstr[25];
sprintf(tmpstr, "%s%d", register_prefix, (int)((instr & mask) >> low));
snprintf(tmpstr, sizeof(tmpstr), "%s%d", register_prefix,
(int)((instr & mask) >> low));
return(strdup(tmpstr));
}
@@ -608,7 +609,8 @@ static char *
get_field_imm (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%d", (short)((instr & IMM_MASK) >> IMM_LOW));
snprintf(tmpstr, sizeof(tmpstr), "%d",
(short)((instr & IMM_MASK) >> IMM_LOW));
return(strdup(tmpstr));
}
@@ -616,7 +618,8 @@ static char *
get_field_imm5 (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%d", (short)((instr & IMM5_MASK) >> IMM_LOW));
snprintf(tmpstr, sizeof(tmpstr), "%d",
(short)((instr & IMM5_MASK) >> IMM_LOW));
return(strdup(tmpstr));
}
@@ -624,7 +627,8 @@ static char *
get_field_rfsl (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%s%d", fsl_register_prefix, (short)((instr & RFSL_MASK) >> IMM_LOW));
snprintf(tmpstr, sizeof(tmpstr), "%s%d", fsl_register_prefix,
(short)((instr & RFSL_MASK) >> IMM_LOW));
return(strdup(tmpstr));
}
@@ -632,7 +636,8 @@ static char *
get_field_imm15 (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%d", (short)((instr & IMM15_MASK) >> IMM_LOW));
snprintf(tmpstr, sizeof(tmpstr), "%d",
(short)((instr & IMM15_MASK) >> IMM_LOW));
return(strdup(tmpstr));
}
@@ -641,7 +646,8 @@ static char *
get_field_unsigned_imm (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%d", (int)((instr & IMM_MASK) >> IMM_LOW));
snprintf(tmpstr, sizeof(tmpstr), "%d",
(int)((instr & IMM_MASK) >> IMM_LOW));
return(strdup(tmpstr));
}
#endif
@@ -653,7 +659,8 @@ get_field_unsigned_imm (long instr)
{
char tmpstr[25];
sprintf(tmpstr, "%s%s", register_prefix, (((instr & IMM_MASK) >> IMM_LOW) & REG_MSR_MASK) == 0 ? "pc" : "msr");
snprintf(tmpstr, sizeof(tmpstr), "%s%s", register_prefix,
(((instr & IMM_MASK) >> IMM_LOW) & REG_MSR_MASK) == 0 ? "pc" : "msr");
return(strdup(tmpstr));
}
@@ -709,7 +716,7 @@ get_field_special(long instr, const struct op_code_struct *op)
default :
{
if ( ((((instr & IMM_MASK) >> IMM_LOW) ^ op->immval_mask) & 0xE000) == REG_PVR_MASK) {
sprintf(tmpstr, "%s%u", pvr_register_prefix,
snprintf(tmpstr, sizeof(tmpstr), "%s%u", pvr_register_prefix,
(unsigned short)(((instr & IMM_MASK) >> IMM_LOW) ^
op->immval_mask) ^ REG_PVR_MASK);
return(strdup(tmpstr));
@@ -720,7 +727,7 @@ get_field_special(long instr, const struct op_code_struct *op)
break;
}
sprintf(tmpstr, "%s%s", register_prefix, spr);
snprintf(tmpstr, sizeof(tmpstr), "%s%s", register_prefix, spr);
return(strdup(tmpstr));
}
docs/about/deprecated.rst
-34
View File
@@ -148,22 +148,6 @@ accepted incorrect commands will return an error. Users should make sure that
all arguments passed to ``device_add`` are consistent with the documented
property types.
QEMU Machine Protocol (QMP) events
----------------------------------
``MEM_UNPLUG_ERROR`` (since 6.2)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''
Use the more generic event ``DEVICE_UNPLUG_GUEST_ERROR`` instead.
``vcpu`` trace events (since 8.1)
'''''''''''''''''''''''''''''''''
The ability to instrument QEMU helper functions with vCPU-aware trace
points was removed in 7.0. However QMP still exposed the vcpu
parameter. This argument has now been deprecated and the remaining
remaining trace points that used it are selected just by name.
Host Architectures
------------------
@@ -478,24 +462,6 @@ versions, aliases will point to newer CPU model versions
depending on the machine type, so management software must
resolve CPU model aliases before starting a virtual machine.
QEMU guest agent
----------------
``--blacklist`` command line option (since 7.2)
'''''''''''''''''''''''''''''''''''''''''''''''
``--blacklist`` has been replaced by ``--block-rpcs`` (which is a better
wording for what this option does). The short form ``-b`` still stays
the same and thus is the preferred way for scripts that should run with
both, older and future versions of QEMU.
``blacklist`` config file option (since 7.2)
''''''''''''''''''''''''''''''''''''''''''''
The ``blacklist`` config file option has been renamed to ``block-rpcs``
(to be in sync with the renaming of the corresponding command line
option).
Migration
---------
docs/about/removed-features.rst
+33
View File
@@ -671,6 +671,21 @@ Use ``multifd-channels`` instead.
Use ``multifd-compression`` instead.
QEMU Machine Protocol (QMP) events
----------------------------------
``MEM_UNPLUG_ERROR`` (removed in 9.1)
'''''''''''''''''''''''''''''''''''''
MEM_UNPLUG_ERROR has been replaced by the more generic ``DEVICE_UNPLUG_GUEST_ERROR`` event.
``vcpu`` trace events (removed in 9.1)
''''''''''''''''''''''''''''''''''''''
The ability to instrument QEMU helper functions with vCPU-aware trace
points was removed in 7.0.
Human Monitor Protocol (HMP) commands
-------------------------------------
@@ -1129,4 +1144,22 @@ stable for some time and is now widely used.
The command line and feature set is very close to the removed
C implementation.
QEMU guest agent
----------------
``--blacklist`` command line option (removed in 9.1)
''''''''''''''''''''''''''''''''''''''''''''''''''''
``--blacklist`` has been replaced by ``--block-rpcs`` (which is a better
wording for what this option does). The short form ``-b`` still stays
the same and thus is the preferred way for scripts that should run with
both, older and future versions of QEMU.
``blacklist`` config file option (removed in 9.1)
'''''''''''''''''''''''''''''''''''''''''''''''''
The ``blacklist`` config file option has been renamed to ``block-rpcs``
(to be in sync with the renaming of the corresponding command line
option).
.. _Intel discontinuance notification: https://www.intel.com/content/www/us/en/content-details/781327/intel-is-discontinuing-ip-ordering-codes-listed-in-pdn2312-for-nios-ii-ip.html
hw/9pfs/xen-9p-backend.c
+1 -1
View File
@@ -513,7 +513,7 @@ static void xen_9pfs_alloc(struct XenLegacyDevice *xendev)
xenstore_write_be_int(xendev, "max-ring-page-order", MAX_RING_ORDER);
}
static struct XenDevOps xen_9pfs_ops = {
static const struct XenDevOps xen_9pfs_ops = {
.size = sizeof(Xen9pfsDev),
.flags = DEVOPS_FLAG_NEED_GNTDEV,
.alloc = xen_9pfs_alloc,
hw/acpi/memory_hotplug.c
-8
View File
@@ -178,14 +178,6 @@ static void acpi_memory_hotplug_write(void *opaque, hwaddr addr, uint64_t data,
hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
if (local_err) {
trace_mhp_acpi_pc_dimm_delete_failed(mem_st->selector);
/*
* Send both MEM_UNPLUG_ERROR and DEVICE_UNPLUG_GUEST_ERROR
* while the deprecation of MEM_UNPLUG_ERROR is
* pending.
*/
qapi_event_send_mem_unplug_error(dev->id ? : "",
error_get_pretty(local_err));
qapi_event_send_device_unplug_guest_error(dev->id,
dev->canonical_path);
error_free(local_err);
hw/core/cpu-common.c
+17 -8
View File
@@ -222,14 +222,6 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp)
cpu_resume(cpu);
}
/* Plugin initialization must wait until the cpu start executing code */
#ifdef CONFIG_PLUGIN
if (tcg_enabled()) {
cpu->plugin_state = qemu_plugin_create_vcpu_state();
async_run_on_cpu(cpu, qemu_plugin_vcpu_init__async, RUN_ON_CPU_NULL);
}
#endif
/* NOTE: latest generic point where the cpu is fully realized */
}
@@ -261,6 +253,11 @@ static void cpu_common_initfn(Object *obj)
cpu->nr_threads = 1;
cpu->cflags_next_tb = -1;
/* allocate storage for thread info, initialise condition variables */
cpu->thread = g_new0(QemuThread, 1);
cpu->halt_cond = g_new0(QemuCond, 1);
qemu_cond_init(cpu->halt_cond);
qemu_mutex_init(&cpu->work_mutex);
qemu_lockcnt_init(&cpu->in_ioctl_lock);
QSIMPLEQ_INIT(&cpu->work_list);
@@ -268,6 +265,18 @@ static void cpu_common_initfn(Object *obj)
QTAILQ_INIT(&cpu->watchpoints);
cpu_exec_initfn(cpu);
/*
* Plugin initialization must wait until the cpu start executing
* code, but we must queue this work before the threads are
* created to ensure we don't race.
*/
#ifdef CONFIG_PLUGIN
if (tcg_enabled()) {
cpu->plugin_state = qemu_plugin_create_vcpu_state();
async_run_on_cpu(cpu, qemu_plugin_vcpu_init__async, RUN_ON_CPU_NULL);
}
#endif
}
static void cpu_common_finalize(Object *obj)
hw/display/xenfb.c
+9 -4
View File
@@ -29,6 +29,7 @@
#include "ui/input.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"
#include "hw/xen/xen-legacy-backend.h"
#include "hw/xen/interface/io/fbif.h"
@@ -972,7 +973,7 @@ static void fb_event(struct XenLegacyDevice *xendev)
/* -------------------------------------------------------------------- */
static struct XenDevOps xen_kbdmouse_ops = {
static const struct XenDevOps xen_kbdmouse_ops = {
.size = sizeof(struct XenInput),
.init = input_init,
.initialise = input_initialise,
@@ -981,7 +982,7 @@ static struct XenDevOps xen_kbdmouse_ops = {
.event = input_event,
};
struct XenDevOps xen_framebuffer_ops = {
const struct XenDevOps xen_framebuffer_ops = {
.size = sizeof(struct XenFB),
.init = fb_init,
.initialise = fb_initialise,
@@ -996,8 +997,12 @@ static const GraphicHwOps xenfb_ops = {
.ui_info = xenfb_ui_info,
};
static void xen_vkbd_register_backend(void)
static void xen_ui_register_backend(void)
{
xen_be_register("vkbd", &xen_kbdmouse_ops);
if (vga_interface_type == VGA_XENFB) {
xen_be_register("vfb", &xen_framebuffer_ops);
}
}
xen_backend_init(xen_vkbd_register_backend);
xen_backend_init(xen_ui_register_backend);
hw/dma/xlnx_dpdma.c
+1 -1
View File
@@ -619,7 +619,7 @@ static MemTxResult xlnx_dpdma_read_descriptor(XlnxDPDMAState *s,
DPDMADescriptor *desc)
{
MemTxResult res = dma_memory_read(&address_space_memory, desc_addr,
&desc, sizeof(DPDMADescriptor),
desc, sizeof(DPDMADescriptor),
MEMTXATTRS_UNSPECIFIED);
if (res) {
return res;

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