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xen/include: introduce resource.h
Move resource definitions to a new architecture-agnostic shared header file. Signed-off-by: Denis Mukhin <dmukhin@ford.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
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Denis Mukhin authored and Stefano Stabellini committed
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@@ -24,6 +24,7 @@
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#include <xen/ctype.h>
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#include <asm/setup.h>
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#include <xen/err.h>
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#include <xen/resource.h>
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const void *device_tree_flattened;
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dt_irq_xlate_func dt_irq_xlate;
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@@ -535,26 +536,6 @@ int dt_child_n_size_cells(const struct dt_device_node *parent)
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return __dt_n_size_cells(parent, true);
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}
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/*
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* These are defined in Linux where much of this code comes from, but
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* are currently unused outside this file in the context of Xen.
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*/
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#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
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#define IORESOURCE_TYPE_BITS 0x00001f00 /* Resource type */
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#define IORESOURCE_IO 0x00000100 /* PCI/ISA I/O ports */
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#define IORESOURCE_MEM 0x00000200
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#define IORESOURCE_REG 0x00000300 /* Register offsets */
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#define IORESOURCE_IRQ 0x00000400
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#define IORESOURCE_DMA 0x00000800
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#define IORESOURCE_BUS 0x00001000
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#define IORESOURCE_PREFETCH 0x00002000 /* No side effects */
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#define IORESOURCE_READONLY 0x00004000
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#define IORESOURCE_CACHEABLE 0x00008000
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#define IORESOURCE_RANGELENGTH 0x00010000
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#define IORESOURCE_SHADOWABLE 0x00020000
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/*
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* Default translator (generic bus)
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*/
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@@ -50,6 +50,7 @@
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#include <xen/rbtree.h>
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#include <xen/sched.h>
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#include <xen/sizes.h>
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#include <xen/resource.h>
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#include <asm/atomic.h>
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#include <asm/device.h>
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#include <asm/io.h>
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@@ -64,6 +65,8 @@
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/* Alias to Xen device tree helpers */
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#define device_node dt_device_node
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#define platform_device dt_device_node
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#define of_phandle_args dt_phandle_args
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#define of_device_id dt_device_match
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#define of_match_node dt_match_node
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@@ -71,21 +74,6 @@
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#define of_property_read_bool dt_property_read_bool
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#define of_parse_phandle_with_args dt_parse_phandle_with_args
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/* Xen: Helpers to get device MMIO and IRQs */
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struct resource
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{
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paddr_t addr;
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paddr_t size;
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unsigned int type;
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};
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#define resource_size(res) (res)->size;
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#define platform_device dt_device_node
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#define IORESOURCE_MEM 0
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#define IORESOURCE_IRQ 1
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static struct resource *platform_get_resource(struct platform_device *pdev,
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unsigned int type,
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unsigned int num)
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@@ -0,0 +1,34 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* System resource description.
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*/
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#ifndef XEN__RESOURCE_H
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#define XEN__RESOURCE_H
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#define IORESOURCE_BITS 0x000000FFU /* Bus-specific bits */
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#define IORESOURCE_TYPE_BITS 0x00001F00U /* Resource type */
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#define IORESOURCE_IO 0x00000100U /* PCI/ISA I/O ports */
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#define IORESOURCE_MEM 0x00000200U
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#define IORESOURCE_REG 0x00000300U /* Register offsets */
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#define IORESOURCE_IRQ 0x00000400U
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#define IORESOURCE_DMA 0x00000800U
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#define IORESOURCE_BUS 0x00001000U
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#define IORESOURCE_PREFETCH 0x00002000U /* No side effects */
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#define IORESOURCE_READONLY 0x00004000U
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#define IORESOURCE_CACHEABLE 0x00008000U
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#define IORESOURCE_RANGELENGTH 0x00010000U
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#define IORESOURCE_SHADOWABLE 0x00020000U
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#define IORESOURCE_UNKNOWN (~0U)
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struct resource {
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paddr_t addr;
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paddr_t size;
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unsigned int type;
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};
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#define resource_size(res) ((res)->size)
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#endif /* XEN__RESOURCE_H */
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