diff mbox series

[v3,02/16] aspeed/sli: Add AST2700 support

Message ID 20240416091904.935283-3-jamin_lin@aspeedtech.com (mailing list archive)
State New
Headers show
Series Add AST2700 support | expand

Commit Message

Jamin Lin April 16, 2024, 9:18 a.m. UTC 
AST2700 SLI engine is designed to accelerate the
throughput between cross-die connections.
It have CPU_SLI at CPU die and IO_SLI at IO die.

Introduce dummy AST2700 SLI and SLIIO models.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
---
 hw/misc/aspeed_sli.c         | 178 +++++++++++++++++++++++++++++++++++
 hw/misc/meson.build          |   3 +-
 hw/misc/trace-events         |   7 ++
 include/hw/misc/aspeed_sli.h |  31 ++++++
 4 files changed, 218 insertions(+), 1 deletion(-)
 create mode 100644 hw/misc/aspeed_sli.c
 create mode 100644 include/hw/misc/aspeed_sli.h

Comments

Cédric Le Goater April 16, 2024, 3:29 p.m. UTC | #1 
Hello Jamin,

On 4/16/24 11:18, Jamin Lin wrote:
> AST2700 SLI engine is designed to accelerate the
> throughput between cross-die connections.
> It have CPU_SLI at CPU die and IO_SLI at IO die.
> 
> Introduce dummy AST2700 SLI and SLIIO models.
> 
> Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
> Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
> ---
>   hw/misc/aspeed_sli.c         | 178 +++++++++++++++++++++++++++++++++++
>   hw/misc/meson.build          |   3 +-
>   hw/misc/trace-events         |   7 ++
>   include/hw/misc/aspeed_sli.h |  31 ++++++
>   4 files changed, 218 insertions(+), 1 deletion(-)
>   create mode 100644 hw/misc/aspeed_sli.c
>   create mode 100644 include/hw/misc/aspeed_sli.h
> 
> diff --git a/hw/misc/aspeed_sli.c b/hw/misc/aspeed_sli.c
> new file mode 100644
> index 0000000000..e84fd6a4ca
> --- /dev/null
> +++ b/hw/misc/aspeed_sli.c
> @@ -0,0 +1,178 @@
> +/*
> + * ASPEED SLI Controller
> + *
> + * Copyright (C) 2024 ASPEED Technology Inc.
> + *
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qemu/log.h"
> +#include "qemu/error-report.h"
> +#include "hw/qdev-properties.h"
> +#include "hw/misc/aspeed_sli.h"
> +#include "qapi/error.h"
> +#include "migration/vmstate.h"
> +#include "trace.h"
> +
> +#define SLI_REGION_SIZE 0x500
> +#define TO_REG(addr) ((addr) >> 2)
> +
> +static uint64_t aspeed_sli_read(void *opaque, hwaddr addr, unsigned int size)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(opaque);
> +    int reg = TO_REG(addr);
> +
> +    if (reg >= ARRAY_SIZE(s->regs)) {
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n",
> +                      __func__, addr);
> +        return 0;
> +    }
> +
> +    trace_aspeed_sli_read(addr, size, s->regs[reg]);
> +    return s->regs[reg];
> +}
> +
> +static void aspeed_sli_write(void *opaque, hwaddr addr, uint64_t data,
> +                              unsigned int size)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(opaque);
> +    int reg = TO_REG(addr);
> +
> +    if (reg >= ARRAY_SIZE(s->regs)) {
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n",
> +                      __func__, addr);
> +        return;
> +    }
> +
> +    trace_aspeed_sli_write(addr, size, data);
> +    s->regs[reg] = data;
> +}
> +
> +static uint64_t aspeed_sliio_read(void *opaque, hwaddr addr, unsigned int size)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(opaque);
> +    int reg = TO_REG(addr);
> +
> +    if (reg >= ARRAY_SIZE(s->regs)) {
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n",
> +                      __func__, addr);
> +        return 0;
> +    }
> +
> +    trace_aspeed_sliio_read(addr, size, s->regs[reg]);
> +    return s->regs[reg];
> +}
> +
> +static void aspeed_sliio_write(void *opaque, hwaddr addr, uint64_t data,
> +                              unsigned int size)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(opaque);
> +    int reg = TO_REG(addr);
> +
> +    if (reg >= ARRAY_SIZE(s->regs)) {
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n",
> +                      __func__, addr);
> +        return;
> +    }
> +
> +    trace_aspeed_sliio_write(addr, size, data);
> +    s->regs[reg] = data;
> +}
> +
> +static const MemoryRegionOps aspeed_sli_ops = {
> +    .read = aspeed_sli_read,
> +    .write = aspeed_sli_write,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
> +    .valid = {
> +        .min_access_size = 1,
> +        .max_access_size = 4,
> +    },
> +};
> +
> +static const MemoryRegionOps aspeed_sliio_ops = {
> +    .read = aspeed_sliio_read,
> +    .write = aspeed_sliio_write,
> +    .endianness = DEVICE_LITTLE_ENDIAN,
> +    .valid = {
> +        .min_access_size = 1,
> +        .max_access_size = 4,
> +    },
> +};
> +
> +static void aspeed_sli_realize(DeviceState *dev, Error **errp)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(dev);
> +    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
> +
> +    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sli_ops, s,
> +                          TYPE_ASPEED_SLI, SLI_REGION_SIZE);
> +    sysbus_init_mmio(sbd, &s->iomem);
> +}
> +
> +static void aspeed_sliio_realize(DeviceState *dev, Error **errp)
> +{
> +    AspeedSLIState *s = ASPEED_SLI(dev);
> +    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
> +
> +    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sliio_ops, s,
> +                          TYPE_ASPEED_SLI, SLI_REGION_SIZE);
> +    sysbus_init_mmio(sbd, &s->iomem);
> +}
> +
> +static void aspeed_sli_class_init(ObjectClass *klass, void *data)
> +{
> +    DeviceClass *dc = DEVICE_CLASS(klass);
> +
> +    dc->desc = "Aspeed SLI Controller";
> +    dc->realize = aspeed_sli_realize;
> +}
> +
> +static const TypeInfo aspeed_sli_info = {
> +    .name          = TYPE_ASPEED_SLI,
> +    .parent        = TYPE_SYS_BUS_DEVICE,
> +    .instance_size = sizeof(AspeedSLIState),
> +    .class_init    = aspeed_sli_class_init,
> +    .class_size    = sizeof(AspeedSLIClass),
> +    .abstract      = true,
> +};
> +
> +static void aspeed_2700_sli_class_init(ObjectClass *klass, void *data)
> +{
> +    DeviceClass *dc = DEVICE_CLASS(klass);
> +
> +    dc->desc = "AST2700 SLI Controller";
> +}
> +
> +static void aspeed_2700_sliio_class_init(ObjectClass *klass, void *data)
> +{
> +    DeviceClass *dc = DEVICE_CLASS(klass);
> +
> +    dc->desc = "AST2700 I/O SLI Controller";
> +    dc->realize = aspeed_sliio_realize;
> +}
> +
> +static const TypeInfo aspeed_2700_sli_info = {
> +    .name           = TYPE_ASPEED_2700_SLI,
> +    .parent         = TYPE_ASPEED_SLI,
> +    .class_init     = aspeed_2700_sli_class_init,
> +};
> +
> +static const TypeInfo aspeed_2700_sliio_info = {
> +    .name           = TYPE_ASPEED_2700_SLIIO,
> +    .parent         = TYPE_ASPEED_SLI,
> +    .class_init     = aspeed_2700_sliio_class_init,
> +};
> +
> +static void aspeed_sli_register_types(void)
> +{
> +    type_register_static(&aspeed_sli_info);
> +    type_register_static(&aspeed_2700_sli_info);
> +    type_register_static(&aspeed_2700_sliio_info);
> +}
> +
> +type_init(aspeed_sli_register_types);
> diff --git a/hw/misc/meson.build b/hw/misc/meson.build
> index 86596a3888..2ca8717be2 100644
> --- a/hw/misc/meson.build
> +++ b/hw/misc/meson.build
> @@ -136,7 +136,8 @@ system_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files(
>     'aspeed_sbc.c',
>     'aspeed_sdmc.c',
>     'aspeed_xdma.c',
> -  'aspeed_peci.c'))
> +  'aspeed_peci.c',
> +  'aspeed_sli.c'))
>   
>   system_ss.add(when: 'CONFIG_MSF2', if_true: files('msf2-sysreg.c'))
>   system_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_rng.c'))
> diff --git a/hw/misc/trace-events b/hw/misc/trace-events
> index 5d241cb40a..e13b648221 100644
> --- a/hw/misc/trace-events
> +++ b/hw/misc/trace-events
> @@ -351,3 +351,10 @@ djmemc_write(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRI
>   # iosb.c
>   iosb_read(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRIx64" size=%u"
>   iosb_write(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRIx64" size=%u"
> +
> +# aspeed_sli.c
> +aspeed_sli_write(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
> +aspeed_sli_read(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
> +aspeed_sliio_write(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
> +aspeed_sliio_read(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
> +
> diff --git a/include/hw/misc/aspeed_sli.h b/include/hw/misc/aspeed_sli.h
> new file mode 100644
> index 0000000000..2329002b84
> --- /dev/null
> +++ b/include/hw/misc/aspeed_sli.h
> @@ -0,0 +1,31 @@
> +/*
> + * ASPEED SLI Controller
> + *
> + * Copyright (C) 2024 ASPEED Technology Inc.
> + *
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + */
> +#ifndef ASPEED_SLI_H
> +#define ASPEED_SLI_H
> +
> +#include "hw/sysbus.h"
> +
> +#define TYPE_ASPEED_SLI "aspeed.sli"
> +#define TYPE_ASPEED_2700_SLI TYPE_ASPEED_SLI "-ast2700"
> +#define TYPE_ASPEED_2700_SLIIO TYPE_ASPEED_SLI "io" "-ast2700"
> +OBJECT_DECLARE_TYPE(AspeedSLIState, AspeedSLIClass, ASPEED_SLI)
> +
> +#define ASPEED_SLI_NR_REGS  (0x500 >> 2)
> +
> +struct AspeedSLIState {
> +    SysBusDevice parent;
> +    MemoryRegion iomem;
> +
> +    uint32_t regs[ASPEED_SLI_NR_REGS];
> +};
> +
> +struct AspeedSLIClass {
> +    SysBusDeviceClass parent_class;
> +};

May be use OBJECT_DECLARE_SIMPLE_TYPE() to avoid the empty class.

Anyhow,


Reviewed-by: Cédric Le Goater <clg@kaod.org>

Thanks,

C.
diff mbox series

Patch

diff --git a/hw/misc/aspeed_sli.c b/hw/misc/aspeed_sli.c
new file mode 100644
index 0000000000..e84fd6a4ca
--- /dev/null
+++ b/hw/misc/aspeed_sli.c
@@ -0,0 +1,178 @@ 
+/*
+ * ASPEED SLI Controller
+ *
+ * Copyright (C) 2024 ASPEED Technology Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qemu/error-report.h"
+#include "hw/qdev-properties.h"
+#include "hw/misc/aspeed_sli.h"
+#include "qapi/error.h"
+#include "migration/vmstate.h"
+#include "trace.h"
+
+#define SLI_REGION_SIZE 0x500
+#define TO_REG(addr) ((addr) >> 2)
+
+static uint64_t aspeed_sli_read(void *opaque, hwaddr addr, unsigned int size)
+{
+    AspeedSLIState *s = ASPEED_SLI(opaque);
+    int reg = TO_REG(addr);
+
+    if (reg >= ARRAY_SIZE(s->regs)) {
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, addr);
+        return 0;
+    }
+
+    trace_aspeed_sli_read(addr, size, s->regs[reg]);
+    return s->regs[reg];
+}
+
+static void aspeed_sli_write(void *opaque, hwaddr addr, uint64_t data,
+                              unsigned int size)
+{
+    AspeedSLIState *s = ASPEED_SLI(opaque);
+    int reg = TO_REG(addr);
+
+    if (reg >= ARRAY_SIZE(s->regs)) {
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, addr);
+        return;
+    }
+
+    trace_aspeed_sli_write(addr, size, data);
+    s->regs[reg] = data;
+}
+
+static uint64_t aspeed_sliio_read(void *opaque, hwaddr addr, unsigned int size)
+{
+    AspeedSLIState *s = ASPEED_SLI(opaque);
+    int reg = TO_REG(addr);
+
+    if (reg >= ARRAY_SIZE(s->regs)) {
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, addr);
+        return 0;
+    }
+
+    trace_aspeed_sliio_read(addr, size, s->regs[reg]);
+    return s->regs[reg];
+}
+
+static void aspeed_sliio_write(void *opaque, hwaddr addr, uint64_t data,
+                              unsigned int size)
+{
+    AspeedSLIState *s = ASPEED_SLI(opaque);
+    int reg = TO_REG(addr);
+
+    if (reg >= ARRAY_SIZE(s->regs)) {
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, addr);
+        return;
+    }
+
+    trace_aspeed_sliio_write(addr, size, data);
+    s->regs[reg] = data;
+}
+
+static const MemoryRegionOps aspeed_sli_ops = {
+    .read = aspeed_sli_read,
+    .write = aspeed_sli_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .valid = {
+        .min_access_size = 1,
+        .max_access_size = 4,
+    },
+};
+
+static const MemoryRegionOps aspeed_sliio_ops = {
+    .read = aspeed_sliio_read,
+    .write = aspeed_sliio_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .valid = {
+        .min_access_size = 1,
+        .max_access_size = 4,
+    },
+};
+
+static void aspeed_sli_realize(DeviceState *dev, Error **errp)
+{
+    AspeedSLIState *s = ASPEED_SLI(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sli_ops, s,
+                          TYPE_ASPEED_SLI, SLI_REGION_SIZE);
+    sysbus_init_mmio(sbd, &s->iomem);
+}
+
+static void aspeed_sliio_realize(DeviceState *dev, Error **errp)
+{
+    AspeedSLIState *s = ASPEED_SLI(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sliio_ops, s,
+                          TYPE_ASPEED_SLI, SLI_REGION_SIZE);
+    sysbus_init_mmio(sbd, &s->iomem);
+}
+
+static void aspeed_sli_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "Aspeed SLI Controller";
+    dc->realize = aspeed_sli_realize;
+}
+
+static const TypeInfo aspeed_sli_info = {
+    .name          = TYPE_ASPEED_SLI,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(AspeedSLIState),
+    .class_init    = aspeed_sli_class_init,
+    .class_size    = sizeof(AspeedSLIClass),
+    .abstract      = true,
+};
+
+static void aspeed_2700_sli_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "AST2700 SLI Controller";
+}
+
+static void aspeed_2700_sliio_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "AST2700 I/O SLI Controller";
+    dc->realize = aspeed_sliio_realize;
+}
+
+static const TypeInfo aspeed_2700_sli_info = {
+    .name           = TYPE_ASPEED_2700_SLI,
+    .parent         = TYPE_ASPEED_SLI,
+    .class_init     = aspeed_2700_sli_class_init,
+};
+
+static const TypeInfo aspeed_2700_sliio_info = {
+    .name           = TYPE_ASPEED_2700_SLIIO,
+    .parent         = TYPE_ASPEED_SLI,
+    .class_init     = aspeed_2700_sliio_class_init,
+};
+
+static void aspeed_sli_register_types(void)
+{
+    type_register_static(&aspeed_sli_info);
+    type_register_static(&aspeed_2700_sli_info);
+    type_register_static(&aspeed_2700_sliio_info);
+}
+
+type_init(aspeed_sli_register_types);
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 86596a3888..2ca8717be2 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -136,7 +136,8 @@  system_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files(
   'aspeed_sbc.c',
   'aspeed_sdmc.c',
   'aspeed_xdma.c',
-  'aspeed_peci.c'))
+  'aspeed_peci.c',
+  'aspeed_sli.c'))
 
 system_ss.add(when: 'CONFIG_MSF2', if_true: files('msf2-sysreg.c'))
 system_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_rng.c'))
diff --git a/hw/misc/trace-events b/hw/misc/trace-events
index 5d241cb40a..e13b648221 100644
--- a/hw/misc/trace-events
+++ b/hw/misc/trace-events
@@ -351,3 +351,10 @@  djmemc_write(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRI
 # iosb.c
 iosb_read(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRIx64" size=%u"
 iosb_write(int reg, uint64_t value, unsigned int size) "reg=0x%x value=0x%"PRIx64" size=%u"
+
+# aspeed_sli.c
+aspeed_sli_write(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
+aspeed_sli_read(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
+aspeed_sliio_write(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
+aspeed_sliio_read(uint64_t offset, unsigned int size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
+
diff --git a/include/hw/misc/aspeed_sli.h b/include/hw/misc/aspeed_sli.h
new file mode 100644
index 0000000000..2329002b84
--- /dev/null
+++ b/include/hw/misc/aspeed_sli.h
@@ -0,0 +1,31 @@ 
+/*
+ * ASPEED SLI Controller
+ *
+ * Copyright (C) 2024 ASPEED Technology Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef ASPEED_SLI_H
+#define ASPEED_SLI_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_ASPEED_SLI "aspeed.sli"
+#define TYPE_ASPEED_2700_SLI TYPE_ASPEED_SLI "-ast2700"
+#define TYPE_ASPEED_2700_SLIIO TYPE_ASPEED_SLI "io" "-ast2700"
+OBJECT_DECLARE_TYPE(AspeedSLIState, AspeedSLIClass, ASPEED_SLI)
+
+#define ASPEED_SLI_NR_REGS  (0x500 >> 2)
+
+struct AspeedSLIState {
+    SysBusDevice parent;
+    MemoryRegion iomem;
+
+    uint32_t regs[ASPEED_SLI_NR_REGS];
+};
+
+struct AspeedSLIClass {
+    SysBusDeviceClass parent_class;
+};
+
+#endif /* ASPEED_SLI_H */