diff mbox series

[v4,42/47] hw/sparc/sun4m: use qemu_find_nic_info()

Message ID 20240126173228.394202-43-dwmw2@infradead.org
State New
Headers show
Series Rework matching of network devices to -nic options | expand

Commit Message

David Woodhouse Jan. 26, 2024, 5:25 p.m. UTC 
From: David Woodhouse <dwmw@amazon.co.uk>

Obtain the MAC address from the NIC configuration if there is one, or
generate one explicitly so that it can be placed in the PROM.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
 hw/sparc/sun4m.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

Comments

Thomas Huth Jan. 31, 2024, 12:06 p.m. UTC | #1 
On 26/01/2024 18.25, David Woodhouse wrote:
> From: David Woodhouse <dwmw@amazon.co.uk>
> 
> Obtain the MAC address from the NIC configuration if there is one, or
> generate one explicitly so that it can be placed in the PROM.
> 
> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
> ---
>   hw/sparc/sun4m.c | 20 ++++++++++++++------
>   1 file changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
> index 550af01690..e782c8ec7a 100644
> --- a/hw/sparc/sun4m.c
> +++ b/hw/sparc/sun4m.c
> @@ -299,13 +299,15 @@ static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
>   
>   static void *sparc32_dma_init(hwaddr dma_base,
>                                 hwaddr esp_base, qemu_irq espdma_irq,
> -                              hwaddr le_base, qemu_irq ledma_irq, NICInfo *nd)
> +                              hwaddr le_base, qemu_irq ledma_irq,
> +                              MACAddr *mac)
>   {
>       DeviceState *dma;
>       ESPDMADeviceState *espdma;
>       LEDMADeviceState *ledma;
>       SysBusESPState *esp;
>       SysBusPCNetState *lance;
> +    NICInfo *nd = qemu_find_nic_info("lance", true, NULL);
>   
>       dma = qdev_new(TYPE_SPARC32_DMA);
>       espdma = SPARC32_ESPDMA_DEVICE(object_resolve_path_component(
> @@ -320,7 +322,14 @@ static void *sparc32_dma_init(hwaddr dma_base,
>   
>       lance = SYSBUS_PCNET(object_resolve_path_component(
>                            OBJECT(ledma), "lance"));
> -    qdev_set_nic_properties(DEVICE(lance), nd);
> +
> +    if (nd) {
> +        qdev_set_nic_properties(DEVICE(lance), nd);
> +        memcpy(mac->a, nd->macaddr.a, sizeof(mac->a));
> +    } else {
> +        qemu_macaddr_default_if_unset(mac);
> +        qdev_prop_set_macaddr(DEVICE(lance), "mac", mac->a);
> +    }
>   
>       sysbus_realize_and_unref(SYS_BUS_DEVICE(dma), &error_fatal);
>       sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, dma_base);
> @@ -823,7 +832,7 @@ static void sun4m_hw_init(MachineState *machine)
>       unsigned int smp_cpus = machine->smp.cpus;
>       unsigned int max_cpus = machine->smp.max_cpus;
>       HostMemoryBackend *ram_memdev = machine->memdev;
> -    NICInfo *nd = &nd_table[0];
> +    MACAddr hostid;
>   
>       if (machine->ram_size > hwdef->max_mem) {
>           error_report("Too much memory for this machine: %" PRId64 ","
> @@ -884,10 +893,9 @@ static void sun4m_hw_init(MachineState *machine)
>                           hwdef->iommu_pad_base, hwdef->iommu_pad_len);
>       }
>   
> -    qemu_check_nic_model(nd, TYPE_LANCE);
>       sparc32_dma_init(hwdef->dma_base,
>                        hwdef->esp_base, slavio_irq[18],
> -                     hwdef->le_base, slavio_irq[16], nd);
> +                     hwdef->le_base, slavio_irq[16], &hostid);
>   
>       if (graphic_depth != 8 && graphic_depth != 24) {
>           error_report("Unsupported depth: %d", graphic_depth);
> @@ -1039,7 +1047,7 @@ static void sun4m_hw_init(MachineState *machine)
>                                       machine->initrd_filename,
>                                       machine->ram_size, &initrd_size);
>   
> -    nvram_init(nvram, (uint8_t *)&nd->macaddr, machine->kernel_cmdline,
> +    nvram_init(nvram, hostid.a, machine->kernel_cmdline,
>                  machine->boot_config.order, machine->ram_size, kernel_size,
>                  graphic_width, graphic_height, graphic_depth,
>                  hwdef->nvram_machine_id, "Sun4m");

Reviewed-by: Thomas Huth <thuth@redhat.com>
diff mbox series

Patch

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 550af01690..e782c8ec7a 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -299,13 +299,15 @@  static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
 
 static void *sparc32_dma_init(hwaddr dma_base,
                               hwaddr esp_base, qemu_irq espdma_irq,
-                              hwaddr le_base, qemu_irq ledma_irq, NICInfo *nd)
+                              hwaddr le_base, qemu_irq ledma_irq,
+                              MACAddr *mac)
 {
     DeviceState *dma;
     ESPDMADeviceState *espdma;
     LEDMADeviceState *ledma;
     SysBusESPState *esp;
     SysBusPCNetState *lance;
+    NICInfo *nd = qemu_find_nic_info("lance", true, NULL);
 
     dma = qdev_new(TYPE_SPARC32_DMA);
     espdma = SPARC32_ESPDMA_DEVICE(object_resolve_path_component(
@@ -320,7 +322,14 @@  static void *sparc32_dma_init(hwaddr dma_base,
 
     lance = SYSBUS_PCNET(object_resolve_path_component(
                          OBJECT(ledma), "lance"));
-    qdev_set_nic_properties(DEVICE(lance), nd);
+
+    if (nd) {
+        qdev_set_nic_properties(DEVICE(lance), nd);
+        memcpy(mac->a, nd->macaddr.a, sizeof(mac->a));
+    } else {
+        qemu_macaddr_default_if_unset(mac);
+        qdev_prop_set_macaddr(DEVICE(lance), "mac", mac->a);
+    }
 
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dma), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(dma), 0, dma_base);
@@ -823,7 +832,7 @@  static void sun4m_hw_init(MachineState *machine)
     unsigned int smp_cpus = machine->smp.cpus;
     unsigned int max_cpus = machine->smp.max_cpus;
     HostMemoryBackend *ram_memdev = machine->memdev;
-    NICInfo *nd = &nd_table[0];
+    MACAddr hostid;
 
     if (machine->ram_size > hwdef->max_mem) {
         error_report("Too much memory for this machine: %" PRId64 ","
@@ -884,10 +893,9 @@  static void sun4m_hw_init(MachineState *machine)
                         hwdef->iommu_pad_base, hwdef->iommu_pad_len);
     }
 
-    qemu_check_nic_model(nd, TYPE_LANCE);
     sparc32_dma_init(hwdef->dma_base,
                      hwdef->esp_base, slavio_irq[18],
-                     hwdef->le_base, slavio_irq[16], nd);
+                     hwdef->le_base, slavio_irq[16], &hostid);
 
     if (graphic_depth != 8 && graphic_depth != 24) {
         error_report("Unsupported depth: %d", graphic_depth);
@@ -1039,7 +1047,7 @@  static void sun4m_hw_init(MachineState *machine)
                                     machine->initrd_filename,
                                     machine->ram_size, &initrd_size);
 
-    nvram_init(nvram, (uint8_t *)&nd->macaddr, machine->kernel_cmdline,
+    nvram_init(nvram, hostid.a, machine->kernel_cmdline,
                machine->boot_config.order, machine->ram_size, kernel_size,
                graphic_width, graphic_height, graphic_depth,
                hwdef->nvram_machine_id, "Sun4m");