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Re: [RFC XEN PATCH 6/6] tools/libs/light: pci: translate irq to gsi
- To: Huang Rui <ray.huang@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 14 Mar 2023 17:39:07 +0100
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- Cc: Alex Deucher <alexander.deucher@xxxxxxx>, Christian König <christian.koenig@xxxxxxx>, Stewart Hildebrand <Stewart.Hildebrand@xxxxxxx>, Xenia Ragiadakou <burzalodowa@xxxxxxxxx>, Honglei Huang <honglei1.huang@xxxxxxx>, Julia Zhang <julia.zhang@xxxxxxx>, Chen Jiqian <Jiqian.Chen@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 14 Mar 2023 16:39:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12.03.2023 08:54, Huang Rui wrote:
> From: Chen Jiqian <Jiqian.Chen@xxxxxxx>
>
> Use new xc_physdev_gsi_from_irq to get the GSI number
Apart from again the "Why?", ...
> --- a/tools/libs/light/libxl_pci.c
> +++ b/tools/libs/light/libxl_pci.c
> @@ -1486,6 +1486,7 @@ static void pci_add_dm_done(libxl__egc *egc,
> goto out_no_irq;
> }
> if ((fscanf(f, "%u", &irq) == 1) && irq) {
> + irq = xc_physdev_gsi_from_irq(ctx->xch, irq);
> r = xc_physdev_map_pirq(ctx->xch, domid, irq, &irq);
> if (r < 0) {
> LOGED(ERROR, domainid, "xc_physdev_map_pirq irq=%d (error=%d)",
... aren't you breaking existing use cases this way?
Jan
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