From 36ad84ecb26d6a28c78d079dc51063d972600592 Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 7 Mar 2025 09:34:41 +0800 Subject: hw/intc/loongarch_ipi: Add reset support Add reset support with ipi object, register reset callback and clear internal registers when virt machine resets. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_ipi.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'hw/intc') diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c index 2f8bb57828..74372a2039 100644 --- a/hw/intc/loongarch_ipi.c +++ b/hw/intc/loongarch_ipi.c @@ -93,6 +93,32 @@ static void loongarch_ipi_realize(DeviceState *dev, Error **errp) } } +static void loongarch_ipi_reset_hold(Object *obj, ResetType type) +{ + int i; + LoongarchIPIClass *lic = LOONGARCH_IPI_GET_CLASS(obj); + LoongsonIPICommonState *lics = LOONGSON_IPI_COMMON(obj); + IPICore *core; + + if (lic->parent_phases.hold) { + lic->parent_phases.hold(obj, type); + } + + for (i = 0; i < lics->num_cpu; i++) { + core = lics->cpu + i; + /* IPI with targeted CPU available however not present */ + if (!core->cpu) { + continue; + } + + core->status = 0; + core->en = 0; + core->set = 0; + core->clear = 0; + memset(core->buf, 0, sizeof(core->buf)); + } +} + static void loongarch_ipi_cpu_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -145,10 +171,13 @@ static void loongarch_ipi_class_init(ObjectClass *klass, const void *data) LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_CLASS(klass); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); LoongarchIPIClass *lic = LOONGARCH_IPI_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); device_class_set_parent_realize(dc, loongarch_ipi_realize, &lic->parent_realize); + resettable_class_set_parent_phases(rc, NULL, loongarch_ipi_reset_hold, + NULL, &lic->parent_phases); licc->get_iocsr_as = get_iocsr_as; licc->cpu_by_arch_id = loongarch_cpu_by_arch_id; hc->plug = loongarch_ipi_cpu_plug; -- cgit 1.4.1 From 86e4a64751a728aae24fa95d76d6c313aa82cf82 Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 7 Mar 2025 10:12:09 +0800 Subject: hw/intc/loongarch_extioi: Add reset support Add reset support with extioi irqchip, and register reset callback support with new API resettable_class_set_parent_phases(). Clear internal HW registers and SW state when virt machine resets. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_extioi_common.c | 41 +++++++++++++++++++++++++++++++ include/hw/intc/loongarch_extioi_common.h | 1 + 2 files changed, 42 insertions(+) (limited to 'hw/intc') diff --git a/hw/intc/loongarch_extioi_common.c b/hw/intc/loongarch_extioi_common.c index 9e1589060c..4a904b3bc1 100644 --- a/hw/intc/loongarch_extioi_common.c +++ b/hw/intc/loongarch_extioi_common.c @@ -108,6 +108,43 @@ static void loongarch_extioi_common_realize(DeviceState *dev, Error **errp) } } +static void loongarch_extioi_common_reset_hold(Object *obj, ResetType type) +{ + LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_GET_CLASS(obj); + LoongArchExtIOICommonState *s = LOONGARCH_EXTIOI_COMMON(obj); + ExtIOICore *core; + int i; + + if (lecc->parent_phases.hold) { + lecc->parent_phases.hold(obj, type); + } + + /* Clear HW registers for the board */ + memset(s->nodetype, 0, sizeof(s->nodetype)); + memset(s->bounce, 0, sizeof(s->bounce)); + memset(s->isr, 0, sizeof(s->isr)); + memset(s->enable, 0, sizeof(s->enable)); + memset(s->ipmap, 0, sizeof(s->ipmap)); + memset(s->coremap, 0, sizeof(s->coremap)); + memset(s->sw_pending, 0, sizeof(s->sw_pending)); + memset(s->sw_ipmap, 0, sizeof(s->sw_ipmap)); + memset(s->sw_coremap, 0, sizeof(s->sw_coremap)); + + for (i = 0; i < s->num_cpu; i++) { + core = s->cpu + i; + /* EXTIOI with targeted CPU available however not present */ + if (!core->cpu) { + continue; + } + + /* Clear HW registers for CPUs */ + memset(core->coreisr, 0, sizeof(core->coreisr)); + memset(core->sw_isr, 0, sizeof(core->sw_isr)); + } + + s->status = 0; +} + static int loongarch_extioi_common_pre_save(void *opaque) { LoongArchExtIOICommonState *s = (LoongArchExtIOICommonState *)opaque; @@ -180,9 +217,13 @@ static void loongarch_extioi_common_class_init(ObjectClass *klass, DeviceClass *dc = DEVICE_CLASS(klass); LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_CLASS(klass); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); device_class_set_parent_realize(dc, loongarch_extioi_common_realize, &lecc->parent_realize); + resettable_class_set_parent_phases(rc, NULL, + loongarch_extioi_common_reset_hold, + NULL, &lecc->parent_phases); device_class_set_props(dc, extioi_properties); dc->vmsd = &vmstate_loongarch_extioi; hc->plug = loongarch_extioi_cpu_plug; diff --git a/include/hw/intc/loongarch_extioi_common.h b/include/hw/intc/loongarch_extioi_common.h index 22d7880977..735bfee80a 100644 --- a/include/hw/intc/loongarch_extioi_common.h +++ b/include/hw/intc/loongarch_extioi_common.h @@ -94,6 +94,7 @@ struct LoongArchExtIOICommonClass { SysBusDeviceClass parent_class; DeviceRealize parent_realize; + ResettablePhases parent_phases; int (*pre_save)(void *s); int (*post_load)(void *s, int version_id); }; -- cgit 1.4.1 From bba709ff694cc6f844ca32d333b6be7adc7bd6b4 Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 7 Mar 2025 10:23:21 +0800 Subject: hw/intc/loongarch_extioi: Replace legacy reset callback with new api Replace legacy reset callback register device_class_set_legacy_reset() with new function resettable_class_set_parent_phases(). With new API, it will call reset callback of parent object and then itself. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_extioi.c | 12 ++++++++---- include/hw/intc/loongarch_extioi.h | 1 + 2 files changed, 9 insertions(+), 4 deletions(-) (limited to 'hw/intc') diff --git a/hw/intc/loongarch_extioi.c b/hw/intc/loongarch_extioi.c index f4fe961a98..7c38c4c9b7 100644 --- a/hw/intc/loongarch_extioi.c +++ b/hw/intc/loongarch_extioi.c @@ -377,11 +377,13 @@ static void loongarch_extioi_unrealize(DeviceState *dev) g_free(s->cpu); } -static void loongarch_extioi_reset(DeviceState *d) +static void loongarch_extioi_reset_hold(Object *obj, ResetType type) { - LoongArchExtIOICommonState *s = LOONGARCH_EXTIOI_COMMON(d); + LoongArchExtIOIClass *lec = LOONGARCH_EXTIOI_GET_CLASS(obj); - s->status = 0; + if (lec->parent_phases.hold) { + lec->parent_phases.hold(obj, type); + } } static int vmstate_extioi_post_load(void *opaque, int version_id) @@ -406,12 +408,14 @@ static void loongarch_extioi_class_init(ObjectClass *klass, const void *data) DeviceClass *dc = DEVICE_CLASS(klass); LoongArchExtIOIClass *lec = LOONGARCH_EXTIOI_CLASS(klass); LoongArchExtIOICommonClass *lecc = LOONGARCH_EXTIOI_COMMON_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); device_class_set_parent_realize(dc, loongarch_extioi_realize, &lec->parent_realize); device_class_set_parent_unrealize(dc, loongarch_extioi_unrealize, &lec->parent_unrealize); - device_class_set_legacy_reset(dc, loongarch_extioi_reset); + resettable_class_set_parent_phases(rc, NULL, loongarch_extioi_reset_hold, + NULL, &lec->parent_phases); lecc->post_load = vmstate_extioi_post_load; } diff --git a/include/hw/intc/loongarch_extioi.h b/include/hw/intc/loongarch_extioi.h index 351f18afcf..4a6ae903e9 100644 --- a/include/hw/intc/loongarch_extioi.h +++ b/include/hw/intc/loongarch_extioi.h @@ -22,6 +22,7 @@ struct LoongArchExtIOIClass { DeviceRealize parent_realize; DeviceUnrealize parent_unrealize; + ResettablePhases parent_phases; }; #endif /* LOONGARCH_EXTIOI_H */ -- cgit 1.4.1 From 5101435e6d784c6d5bb267ca019b721a028dbc47 Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 7 Mar 2025 11:57:31 +0800 Subject: hw/intc/loongarch_pch: Add reset support Add reset support with LoongArch pci irqchip, and register reset callback support with new API resettable_class_set_parent_phases(). Clear internal HW registers and SW state when virt machine resets. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_pic_common.c | 25 +++++++++++++++++++++++++ include/hw/intc/loongarch_pic_common.h | 1 + 2 files changed, 26 insertions(+) (limited to 'hw/intc') diff --git a/hw/intc/loongarch_pic_common.c b/hw/intc/loongarch_pic_common.c index fdb250c418..6dccacc741 100644 --- a/hw/intc/loongarch_pic_common.c +++ b/hw/intc/loongarch_pic_common.c @@ -44,6 +44,27 @@ static void loongarch_pic_common_realize(DeviceState *dev, Error **errp) } } +static void loongarch_pic_common_reset_hold(Object *obj, ResetType type) +{ + LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(obj); + int i; + + s->int_mask = UINT64_MAX; + s->htmsi_en = 0x0; + s->intedge = 0x0; + s->intclr = 0x0; + s->auto_crtl0 = 0x0; + s->auto_crtl1 = 0x0; + for (i = 0; i < 64; i++) { + s->route_entry[i] = 0x1; + s->htmsi_vector[i] = 0x0; + } + s->intirr = 0x0; + s->intisr = 0x0; + s->last_intirr = 0x0; + s->int_polarity = 0x0; +} + static const Property loongarch_pic_common_properties[] = { DEFINE_PROP_UINT32("pch_pic_irq_num", LoongArchPICCommonState, irq_num, 0), }; @@ -76,9 +97,13 @@ static void loongarch_pic_common_class_init(ObjectClass *klass, { DeviceClass *dc = DEVICE_CLASS(klass); LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); device_class_set_parent_realize(dc, loongarch_pic_common_realize, &lpcc->parent_realize); + resettable_class_set_parent_phases(rc, NULL, + loongarch_pic_common_reset_hold, + NULL, &lpcc->parent_phases); device_class_set_props(dc, loongarch_pic_common_properties); dc->vmsd = &vmstate_loongarch_pic_common; } diff --git a/include/hw/intc/loongarch_pic_common.h b/include/hw/intc/loongarch_pic_common.h index 43cce48978..d301377cd7 100644 --- a/include/hw/intc/loongarch_pic_common.h +++ b/include/hw/intc/loongarch_pic_common.h @@ -76,6 +76,7 @@ struct LoongArchPICCommonClass { SysBusDeviceClass parent_class; DeviceRealize parent_realize; + ResettablePhases parent_phases; int (*pre_save)(LoongArchPICCommonState *s); int (*post_load)(LoongArchPICCommonState *s, int version_id); }; -- cgit 1.4.1 From a41a74ca5323f4d30ac7eb48ec1d54a09fae5baa Mon Sep 17 00:00:00 2001 From: Bibo Mao Date: Fri, 7 Mar 2025 14:20:13 +0800 Subject: hw/intc/loongarch_pch: Replace legacy reset callback with new api Replace legacy reset callback register device_class_set_legacy_reset() with new function resettable_class_set_parent_phases(). With new API, it will call reset callback of parent object. The internal state has been cleared in parent object LOONGARCH_PIC_COMMON, here parent_phases.hold() is directly called. Signed-off-by: Bibo Mao Reviewed-by: Song Gao --- hw/intc/loongarch_pch_pic.c | 26 ++++++++------------------ include/hw/intc/loongarch_pch_pic.h | 1 + 2 files changed, 9 insertions(+), 18 deletions(-) (limited to 'hw/intc') diff --git a/hw/intc/loongarch_pch_pic.c b/hw/intc/loongarch_pch_pic.c index 6c2b6de3f0..834096265a 100644 --- a/hw/intc/loongarch_pch_pic.c +++ b/hw/intc/loongarch_pch_pic.c @@ -354,25 +354,13 @@ static const MemoryRegionOps loongarch_pch_pic_reg8_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -static void loongarch_pch_pic_reset(DeviceState *d) +static void loongarch_pic_reset_hold(Object *obj, ResetType type) { - LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(d); - int i; - - s->int_mask = -1; - s->htmsi_en = 0x0; - s->intedge = 0x0; - s->intclr = 0x0; - s->auto_crtl0 = 0x0; - s->auto_crtl1 = 0x0; - for (i = 0; i < 64; i++) { - s->route_entry[i] = 0x1; - s->htmsi_vector[i] = 0x0; + LoongarchPICClass *lpc = LOONGARCH_PIC_GET_CLASS(obj); + + if (lpc->parent_phases.hold) { + lpc->parent_phases.hold(obj, type); } - s->intirr = 0x0; - s->intisr = 0x0; - s->last_intirr = 0x0; - s->int_polarity = 0x0; } static void loongarch_pic_realize(DeviceState *dev, Error **errp) @@ -408,8 +396,10 @@ static void loongarch_pic_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); LoongarchPICClass *lpc = LOONGARCH_PIC_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); - device_class_set_legacy_reset(dc, loongarch_pch_pic_reset); + resettable_class_set_parent_phases(rc, NULL, loongarch_pic_reset_hold, + NULL, &lpc->parent_phases); device_class_set_parent_realize(dc, loongarch_pic_realize, &lpc->parent_realize); } diff --git a/include/hw/intc/loongarch_pch_pic.h b/include/hw/intc/loongarch_pch_pic.h index 481cc58aed..839a59a43b 100644 --- a/include/hw/intc/loongarch_pch_pic.h +++ b/include/hw/intc/loongarch_pch_pic.h @@ -22,6 +22,7 @@ struct LoongarchPICClass { LoongArchPICCommonClass parent_class; DeviceRealize parent_realize; + ResettablePhases parent_phases; }; #endif /* HW_LOONGARCH_PCH_PIC_H */ -- cgit 1.4.1