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Re: [PATCH v2 09/16] xen/riscv: introduce register_intc_ops() and intc_hw_ops.
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 15 May 2025 10:06:45 +0200
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Romain Caritey <Romain.Caritey@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 15 May 2025 08:06:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06.05.2025 18:51, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/include/asm/intc.h
> +++ b/xen/arch/riscv/include/asm/intc.h
> @@ -8,6 +8,8 @@
> #ifndef ASM__RISCV__INTERRUPT_CONTOLLER_H
> #define ASM__RISCV__INTERRUPT_CONTOLLER_H
>
> +#include <xen/irq.h>
If you need this include anyway, why ...
> @@ -17,6 +19,26 @@ struct intc_info {
> const struct dt_device_node *node;
> };
>
> +struct irq_desc;
... this "forward" decl for something that's then already fully defined?
I can't, however, spot why xen/irq.h would be needed for anything ...
> +struct intc_hw_operations {
> + /* Hold intc hw information */
> + const struct intc_info *info;
> + /* Initialize the intc and the boot CPU */
> + int (*init)(void);
> +
> + /* hw_irq_controller to enable/disable/eoi host irq */
> + const hw_irq_controller *host_irq_type;
> +
> + /* Set IRQ type */
> + void (*set_irq_type)(struct irq_desc *desc, unsigned int type);
> + /* Set IRQ priority */
> + void (*set_irq_priority)(struct irq_desc *desc, unsigned int priority);
> +
> +};
> +
> void intc_preinit(void);
>
> +void register_intc_ops(struct intc_hw_operations *ops);
> +
> #endif /* ASM__RISCV__INTERRUPT_CONTOLLER_H */
... throughout here.
> --- a/xen/arch/riscv/intc.c
> +++ b/xen/arch/riscv/intc.c
> @@ -5,6 +5,15 @@
> #include <xen/init.h>
> #include <xen/lib.h>
>
> +#include <asm/intc.h>
> +
> +static struct __ro_after_init intc_hw_operations *intc_hw_ops;
Nit: Attributes between type and identifier please. Also shouldn't both
this and ...
> +void __init register_intc_ops(struct intc_hw_operations *ops)
... the parameter here be pointer-to-const?
Jan
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