> diff -ur hurd.orig/libddekit/pci.c hurd-0.9.git20250801/libddekit/pci.c
> --- hurd.orig/libddekit/pci.c 2025-10-23 05:36:08.000000000 +0100
> +++ hurd-0.9.git20250801/libddekit/pci.c 2025-10-23 05:38:19.000000000
> +0100
> @@ -399,7 +399,21 @@
> //TODO l4io_pci_set_master(dev->l4dev.handle);
> }
>
> +#include "libirqhelp/irqhelp.h"
> +#include <hurd.h>
There shouldn't be a need for including <hurd.h>?
> +
> int ddekit_pci_irq_enable(int bus, int slot, int func, int pin, int *irq)
> {
> - return 0;
> + int gsi = -1;
> +
> + if (irqhelp_gsi_from_acpi(bus, slot, func, &gsi))
Indeed, that looks fine.
> + {
> + ddekit_printf("Cannot find gsi for: %d:%d:%d\n", bus, slot, func);
> + }
> + else if (gsi >= 0)
> + {
> + *irq = gsi;
> + }
> +
> + return 0;
> }
> diff -ur hurd.orig/libirqhelp/irqhelp.c
> hurd-0.9.git20250801/libirqhelp/irqhelp.c
> --- hurd.orig/libirqhelp/irqhelp.c 2025-10-23 05:36:53.000000000 +0100
> +++ hurd-0.9.git20250801/libirqhelp/irqhelp.c 2025-10-23 05:37:19.000000000
> +0100
> @@ -355,6 +355,18 @@
> }
>
> error_t
> +irqhelp_gsi_from_acpi(int bus, int dev, int fun, int* gsi)
> +{
> + if (acpi_missing)
> + return EIO;
> +
> + if ((bus < 0) || (dev < 0) || (fun < 0))
> + return EINVAL;
> +
> + return acpi_get_pci_irq (acpidev, bus, dev, fun, gsi);
> +}
> +
> +error_t
> irqhelp_remove_interrupt_handler(struct irq *irq)
> {
> if (!irq)
> diff -ur hurd.orig/libirqhelp/irqhelp.h
> hurd-0.9.git20250801/libirqhelp/irqhelp.h
> --- hurd.orig/libirqhelp/irqhelp.h 2025-10-23 05:37:01.000000000 +0100
> +++ hurd-0.9.git20250801/libirqhelp/irqhelp.h 2025-10-23 05:37:19.000000000
> +0100
> @@ -34,6 +34,11 @@
> Returns a pointer to be used with other functions. */
> struct irq * irqhelp_install_interrupt_handler(int gsi, int bus, int dev,
> int fun,
> void (*handler)(void *), void
> *context);
> +
> +/* Lookup the required GSI for the device via ACPI */
> +error_t
> +irqhelp_gsi_from_acpi(int bus, int dev, int fun, int* gsi);
> +
> /* Install as pthread */
> void * irqhelp_server_loop(void *arg);
>
> --- acpi_init.c.orig 2025-10-18 12:40:48.000000000 +0100
> +++ acpi_init.c 2025-10-18 13:13:03.000000000 +0100
I don't know acpi enough to be able to say anything about this change.
Samuel