Applied, thanks!
Mike Kelly, le dim. 26 oct. 2025 16:26:06 +0000, a ecrit:
> ddekit_pci_irq_enable now translates the PCI interrupt line IRQ into the GSI
>
> ---
> libddekit/Makefile | 2 +-
> libddekit/pci.c | 40 +++++++++++++++++++++++++++++++++++++++-
> 2 files changed, 40 insertions(+), 2 deletions(-)
>
> diff --git a/libddekit/Makefile b/libddekit/Makefile
> index c74ec1128..f31733c21 100644
> --- a/libddekit/Makefile
> +++ b/libddekit/Makefile
> @@ -21,7 +21,7 @@ makemode := library
> libname = libddekit
> SRCS= condvar.c init.c interrupt.c lock.c malloc.c memory.c \
> pci.c pgtab.c printf.c resources.c list.c panic.c \
> - thread.c timer.c initcall.c
> + thread.c timer.c initcall.c acpiUser.c
> installhdrs = ddekit/condvar.h ddekit/lock.h \
> ddekit/semaphore.h ddekit/debug.h \
> ddekit/inline.h ddekit/panic.h \
> diff --git a/libddekit/pci.c b/libddekit/pci.c
> index ca16b6f9a..6655787e6 100644
> --- a/libddekit/pci.c
> +++ b/libddekit/pci.c
> @@ -8,6 +8,10 @@
> #include "ddekit/pci.h"
> #include "config.h"
>
> +#include <hurd.h>
> +#include <device/device.h>
> +#include "acpi_U.h"
> +
> #define dbg_this 0
>
> /** PCI descriptor */
> @@ -399,7 +403,41 @@ void ddekit_pci_set_master(struct ddekit_pci_dev *dev)
> //TODO l4io_pci_set_master(dev->l4dev.handle);
> }
>
> +static error_t
> +find_gsi_from_acpi(int bus, int slot, int func, int *irq)
> +{
> + mach_port_t devices, acpi;
> +
> + error_t err = get_privileged_ports(NULL, &devices);
> + if (err)
> + return err;
> +
> + if (devices == MACH_PORT_NULL)
> + return ENODEV;
> +
> + err = device_open(devices, D_READ, "acpi", &acpi);
> + mach_port_deallocate(mach_task_self(), devices);
> + if (!err)
> + {
> + err = acpi_get_pci_irq(acpi, bus, slot, func, irq);
> + device_close(acpi);
> + }
> +
> + return err;
> +}
> +
> int ddekit_pci_irq_enable(int bus, int slot, int func, int pin, int *irq)
> {
> - return 0;
> + int gsi = -1;
> +
> + if (find_gsi_from_acpi(bus, slot, func, &gsi))
> + {
> + ddekit_printf("Cannot find gsi for: %d:%d:%d\n", bus, slot, func);
> + }
> + else if (gsi >= 0)
> + {
> + *irq = gsi;
> + }
> +
> + return 0;
> }
> --
> 2.39.5
>
>
--
Samuel
<y> le y est un animal discret se logeant facilement dans un terminal
*** c has changed the topic on channel #ens-mim to ne pas jeter de cacahuetes
aux ys, svp
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