[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v4 3/4] xen/arm: add support for PCI child bus
- To: Mykyta Poturai <Mykyta_Poturai@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
- Date: Thu, 24 Apr 2025 11:16:26 -0400
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=epam.com smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0)
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=HLkqiYHz/dfTOq+gF9FZyxmHm5M1bod8XoHvUSWEMi4=; b=bP1lmph9NeqplazCKlBzcjAEUQXDy6RaVdcOej1UkMLRyKKALwxDRdrq4QxK6tx6C2vgYOPX7pMPmU4f+CghnGrTtjqFvl8iJxN/tShYLdK8IEoZuOg42WAvRR7ctYsny0HSsUgjVy1NBqmY1KjkfGIUmVFOwV5QbdQOek3q8fQ1RmDYAs+jNKfZEQiebMjlfi/VLb2VVvJUY1Q4JWgRidwZrQYlnxyaiAlnm4w7gXpUuHDOEk/4m6KfY5usd23aT3IYgr0REttY/N9Hx3P9NSgwlMJseAXisocodUYPo64BDeZzV1H9J1jnssvOtsnNM9EPXqofL34iMng7Ti58hw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ZwSwtPn7DZKYRV9piqPRtSIIwuUihQtskVHwvaUlpDQp7OcFOAeuaZotHvkj9+srz+GlQ/E/GGNzN17FHooKqqvOfnqwrskSa2ObfsujtD7rJ5Sovy5+cH79fwHqaic8DkJ89uKGrauk6OyOjyLT94MHvJ2AKzOIKajzu4fr+6m4lfo8GDH10Hes1swVEImqXaWa5EM/VuoDNX7Tbx/apOUAk9D4KAtgKsrpxigcer7Y8kOLBwJbbxrI9nfzp4TLWe4h+gGDdPpedY2KMZ01CBO5pAgTMXWTk4qHqImERessgcD/gM7P++3o+J445jZ2lYp6CNoozIlqW/jHl2Kykg==
- Cc: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>, "Stefano Stabellini" <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, "Bertrand Marquis" <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 24 Apr 2025 15:16:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 4/23/25 07:08, Mykyta Poturai wrote:
> diff --git a/xen/arch/arm/pci/pci-access.c b/xen/arch/arm/pci/pci-access.c
> index 9f9aac43d7..91271973fb 100644
> --- a/xen/arch/arm/pci/pci-access.c
> +++ b/xen/arch/arm/pci/pci-access.c
> @@ -18,10 +18,31 @@
> #define INVALID_VALUE (~0U)
> #define PCI_ERR_VALUE(len) GENMASK(0, len * 8)
>
> +static const struct pci_ops *get_ops(struct pci_host_bridge *bridge,
> + pci_sbdf_t sbdf)
> +{
> + if ( bridge->child_ops )
> + {
> + struct pci_config_window *cfg = bridge->child_cfg;
> +
> + if ( (sbdf.bus >= cfg->busn_start) && (sbdf.bus <= cfg->busn_end) )
> + return bridge->child_ops;
> + }
> + return bridge->ops;
> +}
> +
> +static inline void __iomem *map_bus(struct pci_host_bridge *bridge,
> pci_sbdf_t sbdf,
Line too long
|
