From: Alistair Francis <alistair23@gmail.com> To: Yifei Jiang <jiangyifei@huawei.com> Cc: "open list:RISC-V" <qemu-riscv@nongnu.org>, Zhanghailiang <zhang.zhanghailiang@huawei.com>, Sagar Karandikar <sagark@eecs.berkeley.edu>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, "Zhangxiaofeng \(F\)" <victor.zhangxiaofeng@huawei.com>, Richard Henderson <richard.henderson@linaro.org>, "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>, Alistair Francis <Alistair.Francis@wdc.com>, yinyipeng <yinyipeng1@huawei.com>, Palmer Dabbelt <palmer@dabbelt.com>, "Wubin \(H\)" <wu.wubin@huawei.com>, "dengkai \(A\)" <dengkai1@huawei.com> Subject: Re: [PATCH V3 6/6] target/riscv: Add sifive_plic vmstate Date: Fri, 23 Oct 2020 17:02:06 -0700 [thread overview] Message-ID: <CAKmqyKNg5__hB+tMm3z0S9EH7FG9fMLpvFmwz5BoBKZ0Ag_Ruw@mail.gmail.com> (raw) In-Reply-To: <20201023091225.224-7-jiangyifei@huawei.com> On Fri, Oct 23, 2020 at 2:13 AM Yifei Jiang <jiangyifei@huawei.com> wrote: > > Add sifive_plic vmstate for supporting sifive_plic migration. > Current vmstate framework only supports one structure parameter > as num field to describe variable length arrays, so introduce > num_enables. > > Signed-off-by: Yifei Jiang <jiangyifei@huawei.com> > Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > hw/intc/sifive_plic.c | 26 +++++++++++++++++++++++++- > hw/intc/sifive_plic.h | 1 + > 2 files changed, 26 insertions(+), 1 deletion(-) > > diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c > index f42fd695d8..97a1a27a9a 100644 > --- a/hw/intc/sifive_plic.c > +++ b/hw/intc/sifive_plic.c > @@ -30,6 +30,7 @@ > #include "hw/intc/sifive_plic.h" > #include "target/riscv/cpu.h" > #include "sysemu/sysemu.h" > +#include "migration/vmstate.h" > > #define RISCV_DEBUG_PLIC 0 > > @@ -448,11 +449,12 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) > TYPE_SIFIVE_PLIC, plic->aperture_size); > parse_hart_config(plic); > plic->bitfield_words = (plic->num_sources + 31) >> 5; > + plic->num_enables = plic->bitfield_words * plic->num_addrs; > plic->source_priority = g_new0(uint32_t, plic->num_sources); > plic->target_priority = g_new(uint32_t, plic->num_addrs); > plic->pending = g_new0(uint32_t, plic->bitfield_words); > plic->claimed = g_new0(uint32_t, plic->bitfield_words); > - plic->enable = g_new0(uint32_t, plic->bitfield_words * plic->num_addrs); > + plic->enable = g_new0(uint32_t, plic->num_enables); > sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio); > qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources); > > @@ -472,12 +474,34 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) > msi_nonbroken = true; > } > > +static const VMStateDescription vmstate_sifive_plic = { > + .name = "riscv_sifive_plic", > + .version_id = 1, > + .minimum_version_id = 1, > + .fields = (VMStateField[]) { > + VMSTATE_VARRAY_UINT32(source_priority, SiFivePLICState, > + num_sources, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(target_priority, SiFivePLICState, > + num_addrs, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(pending, SiFivePLICState, bitfield_words, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(claimed, SiFivePLICState, bitfield_words, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(enable, SiFivePLICState, num_enables, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_END_OF_LIST() > + } > +}; > + > static void sifive_plic_class_init(ObjectClass *klass, void *data) > { > DeviceClass *dc = DEVICE_CLASS(klass); > > device_class_set_props(dc, sifive_plic_properties); > dc->realize = sifive_plic_realize; > + dc->vmsd = &vmstate_sifive_plic; > } > > static const TypeInfo sifive_plic_info = { > diff --git a/hw/intc/sifive_plic.h b/hw/intc/sifive_plic.h > index b75b1f145d..1e451a270c 100644 > --- a/hw/intc/sifive_plic.h > +++ b/hw/intc/sifive_plic.h > @@ -52,6 +52,7 @@ struct SiFivePLICState { > uint32_t num_addrs; > uint32_t num_harts; > uint32_t bitfield_words; > + uint32_t num_enables; > PLICAddr *addr_config; > uint32_t *source_priority; > uint32_t *target_priority; > -- > 2.19.1 > >
WARNING: multiple messages have this Message-ID (diff)
From: Alistair Francis <alistair23@gmail.com> To: Yifei Jiang <jiangyifei@huawei.com> Cc: "qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>, "open list:RISC-V" <qemu-riscv@nongnu.org>, Zhanghailiang <zhang.zhanghailiang@huawei.com>, Sagar Karandikar <sagark@eecs.berkeley.edu>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, "Zhangxiaofeng (F)" <victor.zhangxiaofeng@huawei.com>, Richard Henderson <richard.henderson@linaro.org>, Alistair Francis <Alistair.Francis@wdc.com>, yinyipeng <yinyipeng1@huawei.com>, Palmer Dabbelt <palmer@dabbelt.com>, "Wubin (H)" <wu.wubin@huawei.com>, "dengkai (A)" <dengkai1@huawei.com> Subject: Re: [PATCH V3 6/6] target/riscv: Add sifive_plic vmstate Date: Fri, 23 Oct 2020 17:02:06 -0700 [thread overview] Message-ID: <CAKmqyKNg5__hB+tMm3z0S9EH7FG9fMLpvFmwz5BoBKZ0Ag_Ruw@mail.gmail.com> (raw) In-Reply-To: <20201023091225.224-7-jiangyifei@huawei.com> On Fri, Oct 23, 2020 at 2:13 AM Yifei Jiang <jiangyifei@huawei.com> wrote: > > Add sifive_plic vmstate for supporting sifive_plic migration. > Current vmstate framework only supports one structure parameter > as num field to describe variable length arrays, so introduce > num_enables. > > Signed-off-by: Yifei Jiang <jiangyifei@huawei.com> > Signed-off-by: Yipeng Yin <yinyipeng1@huawei.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > hw/intc/sifive_plic.c | 26 +++++++++++++++++++++++++- > hw/intc/sifive_plic.h | 1 + > 2 files changed, 26 insertions(+), 1 deletion(-) > > diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c > index f42fd695d8..97a1a27a9a 100644 > --- a/hw/intc/sifive_plic.c > +++ b/hw/intc/sifive_plic.c > @@ -30,6 +30,7 @@ > #include "hw/intc/sifive_plic.h" > #include "target/riscv/cpu.h" > #include "sysemu/sysemu.h" > +#include "migration/vmstate.h" > > #define RISCV_DEBUG_PLIC 0 > > @@ -448,11 +449,12 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) > TYPE_SIFIVE_PLIC, plic->aperture_size); > parse_hart_config(plic); > plic->bitfield_words = (plic->num_sources + 31) >> 5; > + plic->num_enables = plic->bitfield_words * plic->num_addrs; > plic->source_priority = g_new0(uint32_t, plic->num_sources); > plic->target_priority = g_new(uint32_t, plic->num_addrs); > plic->pending = g_new0(uint32_t, plic->bitfield_words); > plic->claimed = g_new0(uint32_t, plic->bitfield_words); > - plic->enable = g_new0(uint32_t, plic->bitfield_words * plic->num_addrs); > + plic->enable = g_new0(uint32_t, plic->num_enables); > sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio); > qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources); > > @@ -472,12 +474,34 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) > msi_nonbroken = true; > } > > +static const VMStateDescription vmstate_sifive_plic = { > + .name = "riscv_sifive_plic", > + .version_id = 1, > + .minimum_version_id = 1, > + .fields = (VMStateField[]) { > + VMSTATE_VARRAY_UINT32(source_priority, SiFivePLICState, > + num_sources, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(target_priority, SiFivePLICState, > + num_addrs, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(pending, SiFivePLICState, bitfield_words, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(claimed, SiFivePLICState, bitfield_words, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_VARRAY_UINT32(enable, SiFivePLICState, num_enables, 0, > + vmstate_info_uint32, uint32_t), > + VMSTATE_END_OF_LIST() > + } > +}; > + > static void sifive_plic_class_init(ObjectClass *klass, void *data) > { > DeviceClass *dc = DEVICE_CLASS(klass); > > device_class_set_props(dc, sifive_plic_properties); > dc->realize = sifive_plic_realize; > + dc->vmsd = &vmstate_sifive_plic; > } > > static const TypeInfo sifive_plic_info = { > diff --git a/hw/intc/sifive_plic.h b/hw/intc/sifive_plic.h > index b75b1f145d..1e451a270c 100644 > --- a/hw/intc/sifive_plic.h > +++ b/hw/intc/sifive_plic.h > @@ -52,6 +52,7 @@ struct SiFivePLICState { > uint32_t num_addrs; > uint32_t num_harts; > uint32_t bitfield_words; > + uint32_t num_enables; > PLICAddr *addr_config; > uint32_t *source_priority; > uint32_t *target_priority; > -- > 2.19.1 > >
next prev parent reply other threads:[~2020-10-24 0:15 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-23 9:12 [PATCH V3 0/6] Support RISC-V migration Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-23 9:12 ` [PATCH V3 1/6] target/riscv: Merge m/vsstatus and m/vsstatush into one uint64_t unit Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-23 9:41 ` Jiangyifei 2020-10-23 9:41 ` Jiangyifei 2020-10-23 23:50 ` Alistair Francis 2020-10-23 23:50 ` Alistair Francis 2020-10-23 9:12 ` [PATCH V3 2/6] target/riscv: Add basic vmstate description of CPU Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-23 23:52 ` Alistair Francis 2020-10-23 23:52 ` Alistair Francis 2020-10-23 9:12 ` [PATCH V3 3/6] target/riscv: Add PMP state description Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-23 23:59 ` Alistair Francis 2020-10-23 23:59 ` Alistair Francis 2020-10-23 9:12 ` [PATCH V3 4/6] target/riscv: Add H extension " Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-24 0:00 ` Alistair Francis 2020-10-24 0:00 ` Alistair Francis 2020-10-23 9:12 ` [PATCH V3 5/6] target/riscv: Add V " Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-24 0:01 ` Alistair Francis 2020-10-24 0:01 ` Alistair Francis 2020-10-23 9:12 ` [PATCH V3 6/6] target/riscv: Add sifive_plic vmstate Yifei Jiang 2020-10-23 9:12 ` Yifei Jiang 2020-10-24 0:02 ` Alistair Francis [this message] 2020-10-24 0:02 ` Alistair Francis
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