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authorRichard Henderson <richard.henderson@linaro.org>2024-06-19 10:54:31 -0700
committerRichard Henderson <richard.henderson@linaro.org>2024-06-19 10:54:31 -0700
commit80748eb4fbc70f0a3ae423f2c01cb5a4584d803f (patch)
treee71beaeef6c2dbcb179b039c6a0c541d41c438f6 /hw/intc/loongarch_ipi.c
parent223696363bb117241ad9c2facbff0c474afa4104 (diff)
parentfc0870c180872d0f40e63507cc6bf8565ffd8d98 (diff)
downloadfocaccia-qemu-80748eb4fbc70f0a3ae423f2c01cb5a4584d803f.tar.gz
focaccia-qemu-80748eb4fbc70f0a3ae423f2c01cb5a4584d803f.zip
Merge tag 'misc-20240619' of https://github.com/philmd/qemu into staging
Misc patches queue

. Remove deprecated pc-i440fx-2.0 -> 2.3 machines (Phil)
. Always use little endian audio format in virtio-snd (Phil)
. Avoid using Monitor in INTERRUPT_STATS_PROVIDER::print_info (Phil)
. Introduce x-query-interrupt-controllers QMP command (Phil)
. Introduce pnv_chip_foreach_cpu() to remove one CPU_FOREACH use (Cédric)
. Constify few uses of IOMMUTLBEvent (Phil)
. Wire loongson_ipi device to loongson3_virt/TCG (Jiaxun)
. Fix inclusion of tracing headers on s390x/TCG (Phil)
. Add few shortcuts missing to readline (Manos)
. Update ui/display entries in MAINTAINERS (Gerd)
. Use qemu_add_mouse_change_notifier on Cocoa (Akihiko)
. Fix Standard VGA screen blanking and cleanups (Gerd)
. Fix USB/MTP reported "free space" value (Fabio)
. Cast size_memop() returned value (Roman)

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# gpg: Signature made Wed 19 Jun 2024 03:53:26 AM PDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'misc-20240619' of https://github.com/philmd/qemu: (74 commits)
  exec: Make the MemOp enum cast explicit
  ui+display: rename is_buffer_shared() -> surface_is_allocated()
  ui+display: rename is_placeholder() -> surface_is_placeholder()
  stdvga: fix screen blanking
  ui/cocoa: Use qemu_add_mouse_change_notifier
  MAINTAINERS: drop spice+ui maintainership
  MAINTAINERS: drop virtio-gpu maintainership
  util/readline: Add C-u shortcut
  util/readline: Add C-n, C-p shortcuts
  util/readline: Fix lints for readline_handle_byte
  target/s390x: Use s390_skeys_get|set() helper
  hw/s390x: Introduce s390_skeys_get|set() helpers
  hw/mips/loongson3_virt: Wire up loongson_ipi device
  hw/intc/loongson_ipi: Replace ipi_getcpu with cpu_by_arch_id
  hw/intc/loongson_ipi: Provide per core MMIO address spaces
  hw/intc: Remove loongarch_ipi.c
  hw/usb/dev-mtp: Correctly report free space
  hw/usb: Remove unused 'host.h' header
  hw/i386/iommu: Constify IOMMUTLBEvent in vtd_page_walk_hook prototype
  memory: Constify IOMMUTLBEvent in memory_region_notify_iommu()
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/intc/loongarch_ipi.c')
-rw-r--r--hw/intc/loongarch_ipi.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c
deleted file mode 100644
index 44b3b9c138..0000000000
--- a/hw/intc/loongarch_ipi.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * LoongArch ipi interrupt support
- *
- * Copyright (C) 2021 Loongson Technology Corporation Limited
- */
-
-#include "qemu/osdep.h"
-#include "hw/boards.h"
-#include "hw/sysbus.h"
-#include "hw/intc/loongarch_ipi.h"
-#include "hw/irq.h"
-#include "hw/qdev-properties.h"
-#include "qapi/error.h"
-#include "qemu/log.h"
-#include "exec/address-spaces.h"
-#include "migration/vmstate.h"
-#include "target/loongarch/cpu.h"
-#include "trace.h"
-
-static MemTxResult loongarch_ipi_readl(void *opaque, hwaddr addr,
-                                       uint64_t *data,
-                                       unsigned size, MemTxAttrs attrs)
-{
-    IPICore *s;
-    LoongArchIPI *ipi = opaque;
-    uint64_t ret = 0;
-    int index = 0;
-
-    s = &ipi->cpu[attrs.requester_id];
-    addr &= 0xff;
-    switch (addr) {
-    case CORE_STATUS_OFF:
-        ret = s->status;
-        break;
-    case CORE_EN_OFF:
-        ret = s->en;
-        break;
-    case CORE_SET_OFF:
-        ret = 0;
-        break;
-    case CORE_CLEAR_OFF:
-        ret = 0;
-        break;
-    case CORE_BUF_20 ... CORE_BUF_38 + 4:
-        index = (addr - CORE_BUF_20) >> 2;
-        ret = s->buf[index];
-        break;
-    default:
-        qemu_log_mask(LOG_UNIMP, "invalid read: %x", (uint32_t)addr);
-        break;
-    }
-
-    trace_loongarch_ipi_read(size, (uint64_t)addr, ret);
-    *data = ret;
-    return MEMTX_OK;
-}
-
-static void send_ipi_data(CPULoongArchState *env, uint64_t val, hwaddr addr,
-                          MemTxAttrs attrs)
-{
-    int i, mask = 0, data = 0;
-
-    /*
-     * bit 27-30 is mask for byte writing,
-     * if the mask is 0, we need not to do anything.
-     */
-    if ((val >> 27) & 0xf) {
-        data = address_space_ldl(env->address_space_iocsr, addr,
-                                 attrs, NULL);
-        for (i = 0; i < 4; i++) {
-            /* get mask for byte writing */
-            if (val & (0x1 << (27 + i))) {
-                mask |= 0xff << (i * 8);
-            }
-        }
-    }
-
-    data &= mask;
-    data |= (val >> 32) & ~mask;
-    address_space_stl(env->address_space_iocsr, addr,
-                      data, attrs, NULL);
-}
-
-static int archid_cmp(const void *a, const void *b)
-{
-   CPUArchId *archid_a = (CPUArchId *)a;
-   CPUArchId *archid_b = (CPUArchId *)b;
-
-   return archid_a->arch_id - archid_b->arch_id;
-}
-
-static CPUArchId *find_cpu_by_archid(MachineState *ms, uint32_t id)
-{
-    CPUArchId apic_id, *found_cpu;
-
-    apic_id.arch_id = id;
-    found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus,
-        ms->possible_cpus->len, sizeof(*ms->possible_cpus->cpus),
-        archid_cmp);
-
-    return found_cpu;
-}
-
-static CPUState *ipi_getcpu(int arch_id)
-{
-    MachineState *machine = MACHINE(qdev_get_machine());
-    CPUArchId *archid;
-
-    archid = find_cpu_by_archid(machine, arch_id);
-    if (archid) {
-        return CPU(archid->cpu);
-    }
-
-    return NULL;
-}
-
-static MemTxResult mail_send(uint64_t val, MemTxAttrs attrs)
-{
-    uint32_t cpuid;
-    hwaddr addr;
-    CPUState *cs;
-
-    cpuid = extract32(val, 16, 10);
-    cs = ipi_getcpu(cpuid);
-    if (cs == NULL) {
-        return MEMTX_DECODE_ERROR;
-    }
-
-    /* override requester_id */
-    addr = SMP_IPI_MAILBOX + CORE_BUF_20 + (val & 0x1c);
-    attrs.requester_id = cs->cpu_index;
-    send_ipi_data(&LOONGARCH_CPU(cs)->env, val, addr, attrs);
-    return MEMTX_OK;
-}
-
-static MemTxResult any_send(uint64_t val, MemTxAttrs attrs)
-{
-    uint32_t cpuid;
-    hwaddr addr;
-    CPUState *cs;
-
-    cpuid = extract32(val, 16, 10);
-    cs = ipi_getcpu(cpuid);
-    if (cs == NULL) {
-        return MEMTX_DECODE_ERROR;
-    }
-
-    /* override requester_id */
-    addr = val & 0xffff;
-    attrs.requester_id = cs->cpu_index;
-    send_ipi_data(&LOONGARCH_CPU(cs)->env, val, addr, attrs);
-    return MEMTX_OK;
-}
-
-static MemTxResult loongarch_ipi_writel(void *opaque, hwaddr addr, uint64_t val,
-                                        unsigned size, MemTxAttrs attrs)
-{
-    LoongArchIPI *ipi = opaque;
-    IPICore *s;
-    int index = 0;
-    uint32_t cpuid;
-    uint8_t vector;
-    CPUState *cs;
-
-    s = &ipi->cpu[attrs.requester_id];
-    addr &= 0xff;
-    trace_loongarch_ipi_write(size, (uint64_t)addr, val);
-    switch (addr) {
-    case CORE_STATUS_OFF:
-        qemu_log_mask(LOG_GUEST_ERROR, "can not be written");
-        break;
-    case CORE_EN_OFF:
-        s->en = val;
-        break;
-    case CORE_SET_OFF:
-        s->status |= val;
-        if (s->status != 0 && (s->status & s->en) != 0) {
-            qemu_irq_raise(s->irq);
-        }
-        break;
-    case CORE_CLEAR_OFF:
-        s->status &= ~val;
-        if (s->status == 0 && s->en != 0) {
-            qemu_irq_lower(s->irq);
-        }
-        break;
-    case CORE_BUF_20 ... CORE_BUF_38 + 4:
-        index = (addr - CORE_BUF_20) >> 2;
-        s->buf[index] = val;
-        break;
-    case IOCSR_IPI_SEND:
-        cpuid = extract32(val, 16, 10);
-        /* IPI status vector */
-        vector = extract8(val, 0, 5);
-        cs = ipi_getcpu(cpuid);
-        if (cs == NULL) {
-            return MEMTX_DECODE_ERROR;
-        }
-
-        /* override requester_id */
-        attrs.requester_id = cs->cpu_index;
-        loongarch_ipi_writel(ipi, CORE_SET_OFF, BIT(vector), 4, attrs);
-        break;
-    default:
-        qemu_log_mask(LOG_UNIMP, "invalid write: %x", (uint32_t)addr);
-        break;
-    }
-
-    return MEMTX_OK;
-}
-
-static const MemoryRegionOps loongarch_ipi_ops = {
-    .read_with_attrs = loongarch_ipi_readl,
-    .write_with_attrs = loongarch_ipi_writel,
-    .impl.min_access_size = 4,
-    .impl.max_access_size = 4,
-    .valid.min_access_size = 4,
-    .valid.max_access_size = 8,
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-/* mail send and any send only support writeq */
-static MemTxResult loongarch_ipi_writeq(void *opaque, hwaddr addr, uint64_t val,
-                                        unsigned size, MemTxAttrs attrs)
-{
-    MemTxResult ret = MEMTX_OK;
-
-    addr &= 0xfff;
-    switch (addr) {
-    case MAIL_SEND_OFFSET:
-        ret = mail_send(val, attrs);
-        break;
-    case ANY_SEND_OFFSET:
-        ret = any_send(val, attrs);
-        break;
-    default:
-       break;
-    }
-
-    return ret;
-}
-
-static const MemoryRegionOps loongarch_ipi64_ops = {
-    .write_with_attrs = loongarch_ipi_writeq,
-    .impl.min_access_size = 8,
-    .impl.max_access_size = 8,
-    .valid.min_access_size = 8,
-    .valid.max_access_size = 8,
-    .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static void loongarch_ipi_realize(DeviceState *dev, Error **errp)
-{
-    LoongArchIPI *s = LOONGARCH_IPI(dev);
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-    int i;
-
-    if (s->num_cpu == 0) {
-        error_setg(errp, "num-cpu must be at least 1");
-        return;
-    }
-
-    memory_region_init_io(&s->ipi_iocsr_mem, OBJECT(dev), &loongarch_ipi_ops,
-                          s, "loongarch_ipi_iocsr", 0x48);
-
-    /* loongarch_ipi_iocsr performs re-entrant IO through ipi_send */
-    s->ipi_iocsr_mem.disable_reentrancy_guard = true;
-
-    sysbus_init_mmio(sbd, &s->ipi_iocsr_mem);
-
-    memory_region_init_io(&s->ipi64_iocsr_mem, OBJECT(dev),
-                          &loongarch_ipi64_ops,
-                          s, "loongarch_ipi64_iocsr", 0x118);
-    sysbus_init_mmio(sbd, &s->ipi64_iocsr_mem);
-
-    s->cpu = g_new0(IPICore, s->num_cpu);
-    if (s->cpu == NULL) {
-        error_setg(errp, "Memory allocation for ExtIOICore faile");
-        return;
-    }
-
-    for (i = 0; i < s->num_cpu; i++) {
-        qdev_init_gpio_out(dev, &s->cpu[i].irq, 1);
-    }
-}
-
-static const VMStateDescription vmstate_ipi_core = {
-    .name = "ipi-single",
-    .version_id = 2,
-    .minimum_version_id = 2,
-    .fields = (const VMStateField[]) {
-        VMSTATE_UINT32(status, IPICore),
-        VMSTATE_UINT32(en, IPICore),
-        VMSTATE_UINT32(set, IPICore),
-        VMSTATE_UINT32(clear, IPICore),
-        VMSTATE_UINT32_ARRAY(buf, IPICore, IPI_MBX_NUM * 2),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static const VMStateDescription vmstate_loongarch_ipi = {
-    .name = TYPE_LOONGARCH_IPI,
-    .version_id = 2,
-    .minimum_version_id = 2,
-    .fields = (const VMStateField[]) {
-        VMSTATE_STRUCT_VARRAY_POINTER_UINT32(cpu, LoongArchIPI, num_cpu,
-                         vmstate_ipi_core, IPICore),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static Property ipi_properties[] = {
-    DEFINE_PROP_UINT32("num-cpu", LoongArchIPI, num_cpu, 1),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void loongarch_ipi_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = loongarch_ipi_realize;
-    device_class_set_props(dc, ipi_properties);
-    dc->vmsd = &vmstate_loongarch_ipi;
-}
-
-static void loongarch_ipi_finalize(Object *obj)
-{
-    LoongArchIPI *s = LOONGARCH_IPI(obj);
-
-    g_free(s->cpu);
-}
-
-static const TypeInfo loongarch_ipi_info = {
-    .name          = TYPE_LOONGARCH_IPI,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(LoongArchIPI),
-    .class_init    = loongarch_ipi_class_init,
-    .instance_finalize = loongarch_ipi_finalize,
-};
-
-static void loongarch_ipi_register_types(void)
-{
-    type_register_static(&loongarch_ipi_info);
-}
-
-type_init(loongarch_ipi_register_types)