From 4305d4825c729222926ef498189e03cdccf125ae Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 21 Oct 2019 23:31:20 +0200 Subject: serial-pci-multi: factor out multi_serial_get_port_count() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Common function to be reused in next patch. Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial-pci-multi.c | 35 ++++++++++++++++++----------------- 1 file changed, 18 insertions(+), 17 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c index 5f13b5663b..5c553c30d0 100644 --- a/hw/char/serial-pci-multi.c +++ b/hw/char/serial-pci-multi.c @@ -77,33 +77,34 @@ static void multi_serial_irq_mux(void *opaque, int n, int level) pci_set_irq(&pci->dev, pending); } +static size_t multi_serial_get_port_count(PCIDeviceClass *pc) +{ + switch (pc->device_id) { + case 0x0003: + return 2; + case 0x0004: + return 4; + } + + g_assert_not_reached(); +} + + static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) { PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); PCIMultiSerialState *pci = DO_UPCAST(PCIMultiSerialState, dev, dev); SerialState *s; Error *err = NULL; - int i, nr_ports = 0; - - switch (pc->device_id) { - case 0x0003: - nr_ports = 2; - break; - case 0x0004: - nr_ports = 4; - break; - } - assert(nr_ports > 0); - assert(nr_ports <= PCI_SERIAL_MAX_PORTS); + size_t i, nports = multi_serial_get_port_count(pc); pci->dev.config[PCI_CLASS_PROG] = pci->prog_if; pci->dev.config[PCI_INTERRUPT_PIN] = 0x01; - memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * nr_ports); + memory_region_init(&pci->iobar, OBJECT(pci), "multiserial", 8 * nports); pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &pci->iobar); - pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci, - nr_ports); + pci->irqs = qemu_allocate_irqs(multi_serial_irq_mux, pci, nports); - for (i = 0; i < nr_ports; i++) { + for (i = 0; i < nports; i++) { s = pci->state + i; s->baudbase = 115200; serial_realize_core(s, &err); @@ -113,7 +114,7 @@ static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) return; } s->irq = pci->irqs[i]; - pci->name[i] = g_strdup_printf("uart #%d", i + 1); + pci->name[i] = g_strdup_printf("uart #%zu", i + 1); memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, pci->name[i], 8); memory_region_add_subregion(&pci->iobar, 8 * i, &s->io); -- cgit v1.2.3 From 7781b88ee458ff933459503ade0b0a6ddaad08de Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 21 Oct 2019 23:32:12 +0200 Subject: serial: initial qom-ification MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make SerialState a device (the following patches will introduce IO/MM sysbus serial devices) None of the serial_{,mm}_init() callers actually free the returned value (even if they did, it would be quite harmless), so we can change the object allocation at will. However, the devices that embed SerialState must now have their field QOM-initialized manually (isa, pci, pci-multi). Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell --- hw/char/serial-isa.c | 9 +++++++++ hw/char/serial-pci-multi.c | 15 +++++++++++++++ hw/char/serial-pci.c | 13 ++++++++++++- hw/char/serial.c | 34 ++++++++++++++++++++++++++++------ 4 files changed, 64 insertions(+), 7 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial-isa.c b/hw/char/serial-isa.c index 9e31c51bb6..9a5928b3ee 100644 --- a/hw/char/serial-isa.c +++ b/hw/char/serial-isa.c @@ -111,10 +111,19 @@ static void serial_isa_class_initfn(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_INPUT, dc->categories); } +static void serial_isa_initfn(Object *o) +{ + ISASerialState *self = ISA_SERIAL(o); + + object_initialize_child(o, "serial", &self->state, sizeof(self->state), + TYPE_SERIAL, &error_abort, NULL); +} + static const TypeInfo serial_isa_info = { .name = TYPE_ISA_SERIAL, .parent = TYPE_ISA_DEVICE, .instance_size = sizeof(ISASerialState), + .instance_init = serial_isa_initfn, .class_init = serial_isa_class_initfn, }; diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c index 5c553c30d0..edfbfdca9e 100644 --- a/hw/char/serial-pci-multi.c +++ b/hw/char/serial-pci-multi.c @@ -181,10 +181,24 @@ static void multi_4x_serial_pci_class_initfn(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_INPUT, dc->categories); } +static void multi_serial_init(Object *o) +{ + PCIDevice *dev = PCI_DEVICE(o); + PCIMultiSerialState *pms = DO_UPCAST(PCIMultiSerialState, dev, dev); + size_t i, nports = multi_serial_get_port_count(PCI_DEVICE_GET_CLASS(dev)); + + for (i = 0; i < nports; i++) { + object_initialize_child(o, "serial[*]", &pms->state[i], + sizeof(pms->state[i]), + TYPE_SERIAL, &error_abort, NULL); + } +} + static const TypeInfo multi_2x_serial_pci_info = { .name = "pci-serial-2x", .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCIMultiSerialState), + .instance_init = multi_serial_init, .class_init = multi_2x_serial_pci_class_initfn, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, @@ -196,6 +210,7 @@ static const TypeInfo multi_4x_serial_pci_info = { .name = "pci-serial-4x", .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCIMultiSerialState), + .instance_init = multi_serial_init, .class_init = multi_4x_serial_pci_class_initfn, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c index cb9b76e22b..f99b6c19e0 100644 --- a/hw/char/serial-pci.c +++ b/hw/char/serial-pci.c @@ -40,6 +40,8 @@ typedef struct PCISerialState { uint8_t prog_if; } PCISerialState; +#define TYPE_PCI_SERIAL "pci-serial" +#define PCI_SERIAL(s) OBJECT_CHECK(PCISerialState, (s), TYPE_PCI_SERIAL) static void serial_pci_realize(PCIDevice *dev, Error **errp) { @@ -103,10 +105,19 @@ static void serial_pci_class_initfn(ObjectClass *klass, void *data) set_bit(DEVICE_CATEGORY_INPUT, dc->categories); } +static void serial_pci_init(Object *o) +{ + PCISerialState *ps = PCI_SERIAL(o); + + object_initialize_child(o, "serial", &ps->state, sizeof(ps->state), + TYPE_SERIAL, &error_abort, NULL); +} + static const TypeInfo serial_pci_info = { - .name = "pci-serial", + .name = TYPE_PCI_SERIAL, .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCISerialState), + .instance_init = serial_pci_init, .class_init = serial_pci_class_initfn, .interfaces = (InterfaceInfo[]) { { INTERFACE_CONVENTIONAL_PCI_DEVICE }, diff --git a/hw/char/serial.c b/hw/char/serial.c index b4aa250950..233a9e2076 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -983,9 +983,8 @@ const MemoryRegionOps serial_io_ops = { SerialState *serial_init(int base, qemu_irq irq, int baudbase, Chardev *chr, MemoryRegion *system_io) { - SerialState *s; - - s = g_malloc0(sizeof(SerialState)); + DeviceState *dev = DEVICE(object_new(TYPE_SERIAL)); + SerialState *s = SERIAL(dev); s->irq = irq; s->baudbase = baudbase; @@ -993,6 +992,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, serial_realize_core(s, &error_fatal); vmstate_register(NULL, base, &vmstate_serial, s); + qdev_init_nofail(dev); memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8); memory_region_add_subregion(system_io, base, &s->io); @@ -1000,6 +1000,21 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, return s; } +static void serial_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + /* internal device for serialio/serialmm, not user-creatable */ + dc->user_creatable = false; +} + +static const TypeInfo serial_info = { + .name = TYPE_SERIAL, + .parent = TYPE_DEVICE, + .instance_size = sizeof(SerialState), + .class_init = serial_class_init, +}; + /* Memory mapped interface */ static uint64_t serial_mm_read(void *opaque, hwaddr addr, unsigned size) @@ -1045,9 +1060,8 @@ SerialState *serial_mm_init(MemoryRegion *address_space, qemu_irq irq, int baudbase, Chardev *chr, enum device_endian end) { - SerialState *s; - - s = g_malloc0(sizeof(SerialState)); + DeviceState *dev = DEVICE(object_new(TYPE_SERIAL)); + SerialState *s = SERIAL(dev); s->it_shift = it_shift; s->irq = irq; @@ -1056,9 +1070,17 @@ SerialState *serial_mm_init(MemoryRegion *address_space, serial_realize_core(s, &error_fatal); vmstate_register(NULL, base, &vmstate_serial, s); + qdev_init_nofail(dev); memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], s, "serial", 8 << it_shift); memory_region_add_subregion(address_space, base, &s->io); return s; } + +static void serial_register_types(void) +{ + type_register_static(&serial_info); +} + +type_init(serial_register_types) -- cgit v1.2.3 From 4cc017e505df7e5344e4dfe7fc17711117c5f11f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 22 Oct 2019 00:32:41 +0200 Subject: serial: register vmsd with DeviceClass MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Migration from old to new code works, however the other way fails for devices that use serial_init/serial_mm_init with "base", used as instance_id previously. (with qdev_set_legacy_instance_id, the alias_id is only used in savevm.c:find_se(), and thus can only be used to match against "legacy" instance id values. On new code, instance_id is generated incrementally from 0 with calculate_new_instance_id(), based on "qdev-path/vmsd-name") Signed-off-by: Marc-André Lureau Reviewed-by: xiaoqiang zhao --- hw/char/serial.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index 233a9e2076..e926845843 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -990,8 +990,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, s->baudbase = baudbase; qemu_chr_fe_init(&s->chr, chr, &error_abort); serial_realize_core(s, &error_fatal); - - vmstate_register(NULL, base, &vmstate_serial, s); + qdev_set_legacy_instance_id(dev, base, 2); qdev_init_nofail(dev); memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8); @@ -1006,6 +1005,7 @@ static void serial_class_init(ObjectClass *klass, void *data) /* internal device for serialio/serialmm, not user-creatable */ dc->user_creatable = false; + dc->vmsd = &vmstate_serial; } static const TypeInfo serial_info = { @@ -1069,7 +1069,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space, qemu_chr_fe_init(&s->chr, chr, &error_abort); serial_realize_core(s, &error_fatal); - vmstate_register(NULL, base, &vmstate_serial, s); + qdev_set_legacy_instance_id(dev, base, 2); qdev_init_nofail(dev); memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], s, -- cgit v1.2.3 From ff22c588f474c6799015365d25548ab845a4f5cd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 22 Oct 2019 00:32:57 +0200 Subject: serial: add "chardev" property MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is more QOM-friendly, callers may set/get the property themself. Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Peter Maydell --- hw/char/serial.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index e926845843..1746dbc1c4 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -34,6 +34,7 @@ #include "sysemu/runstate.h" #include "qemu/error-report.h" #include "trace.h" +#include "hw/qdev-properties.h" //#define DEBUG_SERIAL @@ -988,7 +989,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, s->irq = irq; s->baudbase = baudbase; - qemu_chr_fe_init(&s->chr, chr, &error_abort); + qdev_prop_set_chr(dev, "chardev", chr); serial_realize_core(s, &error_fatal); qdev_set_legacy_instance_id(dev, base, 2); qdev_init_nofail(dev); @@ -999,13 +1000,19 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, return s; } -static void serial_class_init(ObjectClass *klass, void *data) +static Property serial_properties[] = { + DEFINE_PROP_CHR("chardev", SerialState, chr), + DEFINE_PROP_END_OF_LIST(), +}; + +static void serial_class_init(ObjectClass *klass, void* data) { DeviceClass *dc = DEVICE_CLASS(klass); /* internal device for serialio/serialmm, not user-creatable */ dc->user_creatable = false; dc->vmsd = &vmstate_serial; + dc->props = serial_properties; } static const TypeInfo serial_info = { @@ -1066,7 +1073,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space, s->it_shift = it_shift; s->irq = irq; s->baudbase = baudbase; - qemu_chr_fe_init(&s->chr, chr, &error_abort); + qdev_prop_set_chr(dev, "chardev", chr); serial_realize_core(s, &error_fatal); qdev_set_legacy_instance_id(dev, base, 2); -- cgit v1.2.3 From 96651db423a0a25466629d35c775531f5145a66a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 22 Oct 2019 00:35:36 +0200 Subject: serial: add "baudbase" property MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Peter Maydell --- hw/char/serial-isa.c | 1 - hw/char/serial-pci-multi.c | 1 - hw/char/serial-pci.c | 1 - hw/char/serial.c | 5 +++-- 4 files changed, 3 insertions(+), 5 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial-isa.c b/hw/char/serial-isa.c index 9a5928b3ee..2a4c8de1bf 100644 --- a/hw/char/serial-isa.c +++ b/hw/char/serial-isa.c @@ -73,7 +73,6 @@ static void serial_isa_realizefn(DeviceState *dev, Error **errp) } index++; - s->baudbase = 115200; isa_init_irq(isadev, &s->irq, isa->isairq); serial_realize_core(s, errp); qdev_set_legacy_instance_id(dev, isa->iobase, 3); diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c index edfbfdca9e..4891f32230 100644 --- a/hw/char/serial-pci-multi.c +++ b/hw/char/serial-pci-multi.c @@ -106,7 +106,6 @@ static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) for (i = 0; i < nports; i++) { s = pci->state + i; - s->baudbase = 115200; serial_realize_core(s, &err); if (err != NULL) { error_propagate(errp, err); diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c index f99b6c19e0..db2c17aafd 100644 --- a/hw/char/serial-pci.c +++ b/hw/char/serial-pci.c @@ -49,7 +49,6 @@ static void serial_pci_realize(PCIDevice *dev, Error **errp) SerialState *s = &pci->state; Error *err = NULL; - s->baudbase = 115200; serial_realize_core(s, &err); if (err != NULL) { error_propagate(errp, err); diff --git a/hw/char/serial.c b/hw/char/serial.c index 1746dbc1c4..a4f0566865 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -988,7 +988,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, SerialState *s = SERIAL(dev); s->irq = irq; - s->baudbase = baudbase; + qdev_prop_set_uint32(dev, "baudbase", baudbase); qdev_prop_set_chr(dev, "chardev", chr); serial_realize_core(s, &error_fatal); qdev_set_legacy_instance_id(dev, base, 2); @@ -1002,6 +1002,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, static Property serial_properties[] = { DEFINE_PROP_CHR("chardev", SerialState, chr), + DEFINE_PROP_UINT32("baudbase", SerialState, baudbase, 115200), DEFINE_PROP_END_OF_LIST(), }; @@ -1072,7 +1073,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space, s->it_shift = it_shift; s->irq = irq; - s->baudbase = baudbase; + qdev_prop_set_uint32(dev, "baudbase", baudbase); qdev_prop_set_chr(dev, "chardev", chr); serial_realize_core(s, &error_fatal); -- cgit v1.2.3 From c9808d602813bce4fada7bf9ecc463aa779b73f7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 22 Oct 2019 01:02:50 +0200 Subject: serial: realize the serial device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of calling serial_realize_core(), use the QDev realize callback. Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial-isa.c | 2 +- hw/char/serial-pci-multi.c | 2 +- hw/char/serial-pci.c | 2 +- hw/char/serial.c | 8 ++++---- 4 files changed, 7 insertions(+), 7 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial-isa.c b/hw/char/serial-isa.c index 2a4c8de1bf..db8644551e 100644 --- a/hw/char/serial-isa.c +++ b/hw/char/serial-isa.c @@ -74,7 +74,7 @@ static void serial_isa_realizefn(DeviceState *dev, Error **errp) index++; isa_init_irq(isadev, &s->irq, isa->isairq); - serial_realize_core(s, errp); + object_property_set_bool(OBJECT(s), true, "realized", errp); qdev_set_legacy_instance_id(dev, isa->iobase, 3); memory_region_init_io(&s->io, OBJECT(isa), &serial_io_ops, s, "serial", 8); diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c index 4891f32230..0e1fdb75d2 100644 --- a/hw/char/serial-pci-multi.c +++ b/hw/char/serial-pci-multi.c @@ -106,7 +106,7 @@ static void multi_serial_pci_realize(PCIDevice *dev, Error **errp) for (i = 0; i < nports; i++) { s = pci->state + i; - serial_realize_core(s, &err); + object_property_set_bool(OBJECT(s), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); multi_serial_pci_exit(dev); diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c index db2c17aafd..4b6a217365 100644 --- a/hw/char/serial-pci.c +++ b/hw/char/serial-pci.c @@ -49,7 +49,7 @@ static void serial_pci_realize(PCIDevice *dev, Error **errp) SerialState *s = &pci->state; Error *err = NULL; - serial_realize_core(s, &err); + object_property_set_bool(OBJECT(s), true, "realized", &err); if (err != NULL) { error_propagate(errp, err); return; diff --git a/hw/char/serial.c b/hw/char/serial.c index a4f0566865..8328cc62c3 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -934,8 +934,10 @@ static int serial_be_change(void *opaque) return 0; } -void serial_realize_core(SerialState *s, Error **errp) +static void serial_realize(DeviceState *dev, Error **errp) { + SerialState *s = SERIAL(dev); + s->modem_status_poll = timer_new_ns(QEMU_CLOCK_VIRTUAL, (QEMUTimerCB *) serial_update_msl, s); s->fifo_timeout_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, (QEMUTimerCB *) fifo_timeout_int, s); @@ -990,7 +992,6 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase, s->irq = irq; qdev_prop_set_uint32(dev, "baudbase", baudbase); qdev_prop_set_chr(dev, "chardev", chr); - serial_realize_core(s, &error_fatal); qdev_set_legacy_instance_id(dev, base, 2); qdev_init_nofail(dev); @@ -1012,6 +1013,7 @@ static void serial_class_init(ObjectClass *klass, void* data) /* internal device for serialio/serialmm, not user-creatable */ dc->user_creatable = false; + dc->realize = serial_realize; dc->vmsd = &vmstate_serial; dc->props = serial_properties; } @@ -1075,8 +1077,6 @@ SerialState *serial_mm_init(MemoryRegion *address_space, s->irq = irq; qdev_prop_set_uint32(dev, "baudbase", baudbase); qdev_prop_set_chr(dev, "chardev", chr); - - serial_realize_core(s, &error_fatal); qdev_set_legacy_instance_id(dev, base, 2); qdev_init_nofail(dev); -- cgit v1.2.3 From b9975000a008c5b0801e3d24ed113a1bd2767ed5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 22 Oct 2019 01:14:43 +0200 Subject: serial: replace serial_exit_core() with unrealize MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of calling serial_exit_core() directly, use the QDev unrealize callback. Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial-pci-multi.c | 2 +- hw/char/serial-pci.c | 2 +- hw/char/serial.c | 5 ++++- 3 files changed, 6 insertions(+), 3 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial-pci-multi.c b/hw/char/serial-pci-multi.c index 0e1fdb75d2..e343a1235c 100644 --- a/hw/char/serial-pci-multi.c +++ b/hw/char/serial-pci-multi.c @@ -56,7 +56,7 @@ static void multi_serial_pci_exit(PCIDevice *dev) for (i = 0; i < pci->ports; i++) { s = pci->state + i; - serial_exit_core(s); + object_property_set_bool(OBJECT(s), false, "realized", NULL); memory_region_del_subregion(&pci->iobar, &s->io); g_free(pci->name[i]); } diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c index 4b6a217365..b6a73c65a9 100644 --- a/hw/char/serial-pci.c +++ b/hw/char/serial-pci.c @@ -68,7 +68,7 @@ static void serial_pci_exit(PCIDevice *dev) PCISerialState *pci = DO_UPCAST(PCISerialState, dev, dev); SerialState *s = &pci->state; - serial_exit_core(s); + object_property_set_bool(OBJECT(s), false, "realized", NULL); qemu_free_irq(s->irq); } diff --git a/hw/char/serial.c b/hw/char/serial.c index 8328cc62c3..ec388f3876 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -950,8 +950,10 @@ static void serial_realize(DeviceState *dev, Error **errp) serial_reset(s); } -void serial_exit_core(SerialState *s) +static void serial_unrealize(DeviceState *dev, Error **errp) { + SerialState *s = SERIAL(dev); + qemu_chr_fe_deinit(&s->chr, false); timer_del(s->modem_status_poll); @@ -1014,6 +1016,7 @@ static void serial_class_init(ObjectClass *klass, void* data) /* internal device for serialio/serialmm, not user-creatable */ dc->user_creatable = false; dc->realize = serial_realize; + dc->unrealize = serial_unrealize; dc->vmsd = &vmstate_serial; dc->props = serial_properties; } -- cgit v1.2.3 From 490a9d9b36bfa22a6b46b27e6e9e84e1bac44c68 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 23 Oct 2019 17:50:06 +0200 Subject: serial: start making SerialMM a sysbus device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Memory mapped serial device is in fact a sysbus device. The following patches will make use of sysbus facilities for resource and registration. In particular, "serial-mm: use sysbus facilities" will move internal serial realization to serial_mm_realize callback to follow qdev best practices. Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell --- hw/char/omap_uart.c | 2 +- hw/char/serial.c | 72 ++++++++++++++++++++++++++++++++++++++++------------- 2 files changed, 56 insertions(+), 18 deletions(-) (limited to 'hw/char') diff --git a/hw/char/omap_uart.c b/hw/char/omap_uart.c index 13e4f43c4c..e8da933378 100644 --- a/hw/char/omap_uart.c +++ b/hw/char/omap_uart.c @@ -27,7 +27,7 @@ struct omap_uart_s { MemoryRegion iomem; hwaddr base; - SerialState *serial; /* TODO */ + SerialMM *serial; /* TODO */ struct omap_target_agent_s *ta; omap_clk fclk; qemu_irq irq; diff --git a/hw/char/serial.c b/hw/char/serial.c index ec388f3876..824390817c 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1032,16 +1032,28 @@ static const TypeInfo serial_info = { static uint64_t serial_mm_read(void *opaque, hwaddr addr, unsigned size) { - SerialState *s = opaque; - return serial_ioport_read(s, addr >> s->it_shift, 1); + SerialMM *s = SERIAL_MM(opaque); + return serial_ioport_read(&s->serial, addr >> s->it_shift, 1); } static void serial_mm_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { - SerialState *s = opaque; + SerialMM *s = SERIAL_MM(opaque); value &= 255; - serial_ioport_write(s, addr >> s->it_shift, value, 1); + serial_ioport_write(&s->serial, addr >> s->it_shift, value, 1); +} + +static void serial_mm_realize(DeviceState *dev, Error **errp) +{ + SerialMM *s = SERIAL_MM(dev); + Error *local_err = NULL; + + object_property_set_bool(OBJECT(&s->serial), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } } static const MemoryRegionOps serial_mm_ops[3] = { @@ -1068,30 +1080,56 @@ static const MemoryRegionOps serial_mm_ops[3] = { }, }; -SerialState *serial_mm_init(MemoryRegion *address_space, - hwaddr base, int it_shift, - qemu_irq irq, int baudbase, - Chardev *chr, enum device_endian end) +SerialMM *serial_mm_init(MemoryRegion *address_space, + hwaddr base, int it_shift, + qemu_irq irq, int baudbase, + Chardev *chr, enum device_endian end) { - DeviceState *dev = DEVICE(object_new(TYPE_SERIAL)); - SerialState *s = SERIAL(dev); + SerialMM *smm = SERIAL_MM(qdev_create(NULL, TYPE_SERIAL_MM)); + SerialState *s = &smm->serial; - s->it_shift = it_shift; + smm->it_shift = it_shift; s->irq = irq; - qdev_prop_set_uint32(dev, "baudbase", baudbase); - qdev_prop_set_chr(dev, "chardev", chr); - qdev_set_legacy_instance_id(dev, base, 2); - qdev_init_nofail(dev); + qdev_prop_set_uint32(DEVICE(s), "baudbase", baudbase); + qdev_prop_set_chr(DEVICE(s), "chardev", chr); + qdev_set_legacy_instance_id(DEVICE(s), base, 2); - memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], s, + qdev_init_nofail(DEVICE(smm)); + + memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], smm, "serial", 8 << it_shift); memory_region_add_subregion(address_space, base, &s->io); - return s; + + return smm; +} + +static void serial_mm_instance_init(Object *o) +{ + SerialMM *smm = SERIAL_MM(o); + + object_initialize_child(o, "serial", &smm->serial, sizeof(smm->serial), + TYPE_SERIAL, &error_abort, NULL); } +static void serial_mm_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = serial_mm_realize; +} + +static const TypeInfo serial_mm_info = { + .name = TYPE_SERIAL_MM, + .parent = TYPE_SYS_BUS_DEVICE, + .class_init = serial_mm_class_init, + .instance_init = serial_mm_instance_init, + .instance_size = sizeof(SerialMM), +}; + static void serial_register_types(void) { type_register_static(&serial_info); + type_register_static(&serial_mm_info); } type_init(serial_register_types) -- cgit v1.2.3 From 17fd1a6490b1d66cdfa60c67060e63da71a43a51 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 21 Oct 2019 20:14:02 +0200 Subject: serial-mm: add "regshift" property MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit And a property and rename "it_shift" field to "regshift", as it seems to be more popular (and I don't know what "it" stands for). Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell --- hw/char/serial.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index 824390817c..f11f2cdbf3 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1033,7 +1033,7 @@ static uint64_t serial_mm_read(void *opaque, hwaddr addr, unsigned size) { SerialMM *s = SERIAL_MM(opaque); - return serial_ioport_read(&s->serial, addr >> s->it_shift, 1); + return serial_ioport_read(&s->serial, addr >> s->regshift, 1); } static void serial_mm_write(void *opaque, hwaddr addr, @@ -1041,7 +1041,7 @@ static void serial_mm_write(void *opaque, hwaddr addr, { SerialMM *s = SERIAL_MM(opaque); value &= 255; - serial_ioport_write(&s->serial, addr >> s->it_shift, value, 1); + serial_ioport_write(&s->serial, addr >> s->regshift, value, 1); } static void serial_mm_realize(DeviceState *dev, Error **errp) @@ -1081,14 +1081,14 @@ static const MemoryRegionOps serial_mm_ops[3] = { }; SerialMM *serial_mm_init(MemoryRegion *address_space, - hwaddr base, int it_shift, + hwaddr base, int regshift, qemu_irq irq, int baudbase, Chardev *chr, enum device_endian end) { SerialMM *smm = SERIAL_MM(qdev_create(NULL, TYPE_SERIAL_MM)); SerialState *s = &smm->serial; - smm->it_shift = it_shift; + qdev_prop_set_uint8(DEVICE(smm), "regshift", regshift); s->irq = irq; qdev_prop_set_uint32(DEVICE(s), "baudbase", baudbase); qdev_prop_set_chr(DEVICE(s), "chardev", chr); @@ -1097,7 +1097,7 @@ SerialMM *serial_mm_init(MemoryRegion *address_space, qdev_init_nofail(DEVICE(smm)); memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], smm, - "serial", 8 << it_shift); + "serial", 8 << regshift); memory_region_add_subregion(address_space, base, &s->io); return smm; @@ -1111,10 +1111,21 @@ static void serial_mm_instance_init(Object *o) TYPE_SERIAL, &error_abort, NULL); } +static Property serial_mm_properties[] = { + /* + * Set the spacing between adjacent memory-mapped UART registers. + * Each register will be at (1 << regshift) bytes after the + * previous one. + */ + DEFINE_PROP_UINT8("regshift", SerialMM, regshift, 0), + DEFINE_PROP_END_OF_LIST(), +}; + static void serial_mm_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); + dc->props = serial_mm_properties; dc->realize = serial_mm_realize; } @@ -1124,6 +1135,7 @@ static const TypeInfo serial_mm_info = { .class_init = serial_mm_class_init, .instance_init = serial_mm_instance_init, .instance_size = sizeof(SerialMM), + .class_init = serial_mm_class_init, }; static void serial_register_types(void) -- cgit v1.2.3 From 80b2eed95dd6397541cc4d7ec36db0e182a8f402 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 23 Oct 2019 18:07:03 +0200 Subject: serial-mm: add endianness property MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a qdev property for endianness, so memory region setup can be done in realize. Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index f11f2cdbf3..1d350a851b 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1093,6 +1093,7 @@ SerialMM *serial_mm_init(MemoryRegion *address_space, qdev_prop_set_uint32(DEVICE(s), "baudbase", baudbase); qdev_prop_set_chr(DEVICE(s), "chardev", chr); qdev_set_legacy_instance_id(DEVICE(s), base, 2); + qdev_prop_set_uint8(DEVICE(self), "endianness", end); qdev_init_nofail(DEVICE(smm)); @@ -1118,6 +1119,7 @@ static Property serial_mm_properties[] = { * previous one. */ DEFINE_PROP_UINT8("regshift", SerialMM, regshift, 0), + DEFINE_PROP_UINT8("endianness", SerialMM, endianness, DEVICE_NATIVE_ENDIAN), DEFINE_PROP_END_OF_LIST(), }; -- cgit v1.2.3 From 9bc7176c8c30760d2dc0e5b560a6c14f5f9aa08d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 20 Nov 2019 12:28:15 +0400 Subject: serial-mm: use sysbus facilities MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make SerialMM a regular sysbus device, by registering the irq, and the mmio region. Reexport the internal serial properties. Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell --- hw/char/serial.c | 50 ++++++++++++++++++++++++++++---------------------- 1 file changed, 28 insertions(+), 22 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index 1d350a851b..b3927c7198 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1044,18 +1044,6 @@ static void serial_mm_write(void *opaque, hwaddr addr, serial_ioport_write(&s->serial, addr >> s->regshift, value, 1); } -static void serial_mm_realize(DeviceState *dev, Error **errp) -{ - SerialMM *s = SERIAL_MM(dev); - Error *local_err = NULL; - - object_property_set_bool(OBJECT(&s->serial), true, "realized", &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } -} - static const MemoryRegionOps serial_mm_ops[3] = { [DEVICE_NATIVE_ENDIAN] = { .read = serial_mm_read, @@ -1080,26 +1068,42 @@ static const MemoryRegionOps serial_mm_ops[3] = { }, }; +static void serial_mm_realize(DeviceState *dev, Error **errp) +{ + SerialMM *smm = SERIAL_MM(dev); + SerialState *s = &smm->serial; + Error *local_err = NULL; + + object_property_set_bool(OBJECT(s), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + memory_region_init_io(&s->io, NULL, &serial_mm_ops[smm->endianness], smm, + "serial", 8 << smm->regshift); + sysbus_init_mmio(SYS_BUS_DEVICE(smm), &s->io); + sysbus_init_irq(SYS_BUS_DEVICE(smm), &smm->serial.irq); +} + SerialMM *serial_mm_init(MemoryRegion *address_space, hwaddr base, int regshift, qemu_irq irq, int baudbase, Chardev *chr, enum device_endian end) { SerialMM *smm = SERIAL_MM(qdev_create(NULL, TYPE_SERIAL_MM)); - SerialState *s = &smm->serial; + MemoryRegion *mr; qdev_prop_set_uint8(DEVICE(smm), "regshift", regshift); - s->irq = irq; - qdev_prop_set_uint32(DEVICE(s), "baudbase", baudbase); - qdev_prop_set_chr(DEVICE(s), "chardev", chr); - qdev_set_legacy_instance_id(DEVICE(s), base, 2); - qdev_prop_set_uint8(DEVICE(self), "endianness", end); - + qdev_prop_set_uint32(DEVICE(smm), "baudbase", baudbase); + qdev_prop_set_chr(DEVICE(smm), "chardev", chr); + qdev_set_legacy_instance_id(DEVICE(smm), base, 2); + qdev_prop_set_uint8(DEVICE(smm), "endianness", end); qdev_init_nofail(DEVICE(smm)); - memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], smm, - "serial", 8 << regshift); - memory_region_add_subregion(address_space, base, &s->io); + sysbus_connect_irq(SYS_BUS_DEVICE(smm), 0, irq); + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(smm), 0); + memory_region_add_subregion(address_space, base, mr); return smm; } @@ -1110,6 +1114,8 @@ static void serial_mm_instance_init(Object *o) object_initialize_child(o, "serial", &smm->serial, sizeof(smm->serial), TYPE_SERIAL, &error_abort, NULL); + + qdev_alias_all_properties(DEVICE(&smm->serial), o); } static Property serial_mm_properties[] = { -- cgit v1.2.3 From 10315a70896fb82000cc4b2a1198b70c775c7a59 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 23 Oct 2019 18:37:33 +0200 Subject: serial: make SerialIO a sysbus device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make serial IO a proper sysbus device, similar to serial MM. Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 53 insertions(+), 11 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index b3927c7198..3bcb7a6268 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -985,22 +985,63 @@ const MemoryRegionOps serial_io_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -SerialState *serial_init(int base, qemu_irq irq, int baudbase, - Chardev *chr, MemoryRegion *system_io) +static void serial_io_realize(DeviceState *dev, Error **errp) { - DeviceState *dev = DEVICE(object_new(TYPE_SERIAL)); - SerialState *s = SERIAL(dev); + SerialIO *sio = SERIAL_IO(dev); + SerialState *s = &sio->serial; + Error *local_err = NULL; - s->irq = irq; - qdev_prop_set_uint32(dev, "baudbase", baudbase); - qdev_prop_set_chr(dev, "chardev", chr); - qdev_set_legacy_instance_id(dev, base, 2); - qdev_init_nofail(dev); + object_property_set_bool(OBJECT(s), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8); - memory_region_add_subregion(system_io, base, &s->io); + sysbus_init_irq(SYS_BUS_DEVICE(sio), &s->irq); +} + +static void serial_io_class_init(ObjectClass *klass, void* data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = serial_io_realize; + /* No dc->vmsd: class has no migratable state */ +} + +static void serial_io_instance_init(Object *o) +{ + SerialIO *sio = SERIAL_IO(o); + + object_initialize_child(o, "serial", &sio->serial, sizeof(sio->serial), + TYPE_SERIAL, &error_abort, NULL); + + qdev_alias_all_properties(DEVICE(&sio->serial), o); +} + + +static const TypeInfo serial_io_info = { + .name = TYPE_SERIAL_IO, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SerialIO), + .instance_init = serial_io_instance_init, + .class_init = serial_io_class_init, +}; + +SerialIO *serial_init(int base, qemu_irq irq, int baudbase, + Chardev *chr, MemoryRegion *system_io) +{ + SerialIO *sio = SERIAL_IO(qdev_create(NULL, TYPE_SERIAL_IO)); + + qdev_prop_set_uint32(DEVICE(sio), "baudbase", baudbase); + qdev_prop_set_chr(DEVICE(sio), "chardev", chr); + qdev_set_legacy_instance_id(DEVICE(sio), base, 2); + qdev_init_nofail(DEVICE(sio)); + + sysbus_connect_irq(SYS_BUS_DEVICE(sio), 0, irq); + memory_region_add_subregion(system_io, base, &sio->serial.io); - return s; + return sio; } static Property serial_properties[] = { @@ -1149,6 +1190,7 @@ static const TypeInfo serial_mm_info = { static void serial_register_types(void) { type_register_static(&serial_info); + type_register_static(&serial_io_info); type_register_static(&serial_mm_info); } -- cgit v1.2.3 From 9fac5d88ee1a81dca643a62bfce5a2364b437bfa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 23 Oct 2019 15:29:55 +0200 Subject: mips: inline serial_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The function is specific to mipssim, let's inline it. (when inlining, we use a DeviceState variable instead of SerialIO, as it is the most common type used, and avoids having too many casts) Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Aleksandar Markovic --- hw/char/serial.c | 16 ---------------- 1 file changed, 16 deletions(-) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index 3bcb7a6268..7746dfcee8 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -1028,22 +1028,6 @@ static const TypeInfo serial_io_info = { .class_init = serial_io_class_init, }; -SerialIO *serial_init(int base, qemu_irq irq, int baudbase, - Chardev *chr, MemoryRegion *system_io) -{ - SerialIO *sio = SERIAL_IO(qdev_create(NULL, TYPE_SERIAL_IO)); - - qdev_prop_set_uint32(DEVICE(sio), "baudbase", baudbase); - qdev_prop_set_chr(DEVICE(sio), "chardev", chr); - qdev_set_legacy_instance_id(DEVICE(sio), base, 2); - qdev_init_nofail(DEVICE(sio)); - - sysbus_connect_irq(SYS_BUS_DEVICE(sio), 0, irq); - memory_region_add_subregion(system_io, base, &sio->serial.io); - - return sio; -} - static Property serial_properties[] = { DEFINE_PROP_CHR("chardev", SerialState, chr), DEFINE_PROP_UINT32("baudbase", SerialState, baudbase, 115200), -- cgit v1.2.3 From d9259178fe51a0a550fe50561eb0c346ad4518a4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Wed, 20 Nov 2019 15:16:29 +0400 Subject: mips: use sysbus_mmio_get_region() instead of internal fields MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Register the memory region with sysbus_init_mmio() and look it up with sysbus_mmio_get_region() to avoid accessing internal device fields. Suggested-by: Peter Maydell Signed-off-by: Marc-André Lureau Reviewed-by: Peter Maydell Reviewed-by: Aleksandar Markovic Reviewed-by: Philippe Mathieu-Daudé --- hw/char/serial.c | 1 + 1 file changed, 1 insertion(+) (limited to 'hw/char') diff --git a/hw/char/serial.c b/hw/char/serial.c index 7746dfcee8..6c327183c7 100644 --- a/hw/char/serial.c +++ b/hw/char/serial.c @@ -998,6 +998,7 @@ static void serial_io_realize(DeviceState *dev, Error **errp) } memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8); + sysbus_init_mmio(SYS_BUS_DEVICE(sio), &s->io); sysbus_init_irq(SYS_BUS_DEVICE(sio), &s->irq); } -- cgit v1.2.3