#include <console/console.h>
#include <device/device.h>
#include <memrange.h>
#include <post.h>

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Macros
#define	res_printk(depth, str, ...) printk(BIOS_DEBUG, "%*c"str, depth, ' ', __VA_ARGS__)

Functions
static resource_t	round (resource_t val, unsigned long pow)
	Round a number up to an alignment. More...

static const char *	resource2str (const struct resource *res)

static bool	dev_has_children (const struct device *dev)

static void	update_bridge_resource (const struct device bridge, struct resource bridge_res, unsigned long type_match, int print_depth)

static void	compute_bridge_resources (const struct device *bridge, unsigned long type_match, int print_depth)

static void	compute_domain_resources (const struct device *domain)

static unsigned char	get_alignment_by_resource_type (const struct resource *res)

static bool	is_resource_invalid (const struct resource *res)

static void	initialize_domain_io_resource_memranges (struct memranges ranges, const struct resource res, unsigned long memrange_type)

static void	initialize_domain_mem_resource_memranges (struct memranges ranges, const struct resource res, unsigned long memrange_type)

static void	initialize_domain_memranges (struct memranges ranges, const struct resource res, unsigned long memrange_type)

static void	initialize_bridge_memranges (struct memranges ranges, const struct resource res, unsigned long memrange_type)

static void	print_resource_ranges (const struct device dev, const struct memranges ranges)

static void	allocate_child_resources (struct bus bus, struct memranges ranges, unsigned long type_mask, unsigned long type_match)

static void	update_constraints (struct memranges ranges, const struct device dev, const struct resource *res)

static void	avoid_fixed_resources (struct memranges ranges, const struct device dev, unsigned long mask_match)

static void	constrain_domain_resources (const struct device domain, struct memranges ranges, unsigned long type)

static void	setup_resource_ranges (const struct device dev, const struct resource res, unsigned long type, struct memranges *ranges)

static void	cleanup_resource_ranges (const struct device dev, struct memranges ranges, const struct resource *res)

static void	allocate_bridge_resources (const struct device *bridge)

static const struct resource *	find_domain_resource (const struct device *domain, unsigned long type)

static void	allocate_domain_resources (const struct device *domain)

void	allocate_resources (const struct device *root)

Macro Definition Documentation

◆ res_printk

#define res_printk	(	depth,
		str,
		...
	)	printk(BIOS_DEBUG, "%*c"str, depth, ' ', __VA_ARGS__)

Definition at line 37 of file resource_allocator_v4.c.

Function Documentation

◆ allocate_bridge_resources()

static void allocate_bridge_resources ( const struct device * bridge )

static

Definition at line 511 of file resource_allocator_v4.c.

References allocate_child_resources(), bridge, bus::children, cleanup_resource_ranges(), dev_has_children(), resource::flags, IORESOURCE_BRIDGE, IORESOURCE_PREFETCH, IORESOURCE_TYPE_MASK, resource::next, setup_resource_ranges(), device::sibling, and resource::size.

Referenced by allocate_domain_resources().

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◆ allocate_child_resources()

static void allocate_child_resources	(	struct bus *	bus,
		struct memranges *	ranges,
		unsigned long	type_mask,
		unsigned long	type_match
	)

static

Definition at line 365 of file resource_allocator_v4.c.

References resource::align, resource::base, BIOS_DEBUG, BIOS_ERR, dev_path(), resource::flags, resource::index, IORESOURCE_ASSIGNED, largest_resource(), resource::limit, memranges_steal(), NULL, printk, resource2str(), and resource::size.

Referenced by allocate_bridge_resources(), and allocate_domain_resources().

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◆ allocate_domain_resources()

static void allocate_domain_resources ( const struct device * domain )

static

Definition at line 569 of file resource_allocator_v4.c.

References allocate_bridge_resources(), allocate_child_resources(), bus::children, cleanup_resource_ranges(), dev_has_children(), find_domain_resource(), IORESOURCE_ABOVE_4G, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_TYPE_MASK, device::link_list, setup_resource_ranges(), and device::sibling.

Referenced by allocate_resources().

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◆ allocate_resources()

void allocate_resources ( const struct device * root )

Definition at line 658 of file resource_allocator_v4.c.

References allocate_domain_resources(), BIOS_INFO, bus::children, compute_domain_resources(), dev_path(), DEVICE_PATH_DOMAIN, device::link_list, NULL, device::path, post_log_path(), printk, device::sibling, and device_path::type.

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◆ avoid_fixed_resources()

static void avoid_fixed_resources	(	struct memranges *	ranges,
		const struct device *	dev,
		unsigned long	mask_match
	)

static

Definition at line 417 of file resource_allocator_v4.c.

References bus::children, bus::dev, resource::flags, device::link_list, resource::next, NULL, device::resource_list, device::sibling, and update_constraints().

Referenced by constrain_domain_resources().

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◆ cleanup_resource_ranges()

static void cleanup_resource_ranges	(	const struct device *	dev,
		struct memranges *	ranges,
		const struct resource *	res
	)

static

Definition at line 488 of file resource_allocator_v4.c.

References resource::align, resource::base, BIOS_DEBUG, bus::dev, dev_path(), resource::gran, resource::limit, memranges_teardown(), printk, resource2str(), and resource::size.

Referenced by allocate_bridge_resources(), and allocate_domain_resources().

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◆ compute_bridge_resources()

static void compute_bridge_resources	(	const struct device *	bridge,
		unsigned long	type_match,
		int	print_depth
	)

static

Definition at line 151 of file resource_allocator_v4.c.

References bridge, bus::children, dev_has_children(), resource::flags, IORESOURCE_BRIDGE, IORESOURCE_PREFETCH, IORESOURCE_TYPE_MASK, resource::next, device::sibling, and update_bridge_resource().

Referenced by compute_domain_resources().

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◆ compute_domain_resources()

static void compute_domain_resources ( const struct device * domain )

static

Definition at line 197 of file resource_allocator_v4.c.

References bus::children, compute_bridge_resources(), dev_has_children(), IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_PREFETCH, device::link_list, NULL, and device::sibling.

Referenced by allocate_resources().

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◆ constrain_domain_resources()

static void constrain_domain_resources	(	const struct device *	domain,
		struct memranges *	ranges,
		unsigned long	type
	)

static

Definition at line 438 of file resource_allocator_v4.c.

References avoid_fixed_resources(), IORESOURCE_FIXED, IORESOURCE_IO, memranges_create_hole(), and type.

Referenced by setup_resource_ranges().

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◆ dev_has_children()

static bool dev_has_children ( const struct device * dev )

static

Definition at line 31 of file resource_allocator_v4.c.

References bus::children, bus::dev, and device::link_list.

Referenced by allocate_bridge_resources(), allocate_domain_resources(), compute_bridge_resources(), and compute_domain_resources().

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◆ find_domain_resource()

static const struct resource* find_domain_resource	(	const struct device *	domain,
		unsigned long	type
	)

static

Definition at line 542 of file resource_allocator_v4.c.

References resource::flags, IORESOURCE_FIXED, IORESOURCE_TYPE_MASK, resource::next, NULL, device::resource_list, and type.

Referenced by allocate_domain_resources().

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◆ get_alignment_by_resource_type()

static unsigned char get_alignment_by_resource_type ( const struct resource * res )

static

Definition at line 218 of file resource_allocator_v4.c.

References die(), resource::flags, IORESOURCE_IO, and IORESOURCE_MEM.

Referenced by initialize_bridge_memranges(), and initialize_domain_memranges().

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◆ initialize_bridge_memranges()

static void initialize_bridge_memranges	(	struct memranges *	ranges,
		const struct resource *	res,
		unsigned long	memrange_type
	)

static

Definition at line 330 of file resource_allocator_v4.c.

References resource::base, get_alignment_by_resource_type(), is_resource_invalid(), resource::limit, memranges_init_empty_with_alignment(), memranges_insert(), and NULL.

Referenced by setup_resource_ranges().

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◆ initialize_domain_io_resource_memranges()

static void initialize_domain_io_resource_memranges	(	struct memranges *	ranges,
		const struct resource *	res,
		unsigned long	memrange_type
	)

static

Definition at line 237 of file resource_allocator_v4.c.

References resource::base, resource::limit, and memranges_insert().

Referenced by initialize_domain_memranges().

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◆ initialize_domain_mem_resource_memranges()

static void initialize_domain_mem_resource_memranges	(	struct memranges *	ranges,
		const struct resource *	res,
		unsigned long	memrange_type
	)

static

Definition at line 244 of file resource_allocator_v4.c.

References resource::base, IORESOURCE_ABOVE_4G, resource::limit, memranges_insert(), and MIN.

Referenced by initialize_domain_memranges().

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◆ initialize_domain_memranges()

static void initialize_domain_memranges	(	struct memranges *	ranges,
		const struct resource *	res,
		unsigned long	memrange_type
	)

static

Definition at line 302 of file resource_allocator_v4.c.

References resource::flags, get_alignment_by_resource_type(), initialize_domain_io_resource_memranges(), initialize_domain_mem_resource_memranges(), IORESOURCE_IO, is_resource_invalid(), memranges_init_empty_with_alignment(), and NULL.

Referenced by setup_resource_ranges().

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◆ is_resource_invalid()

static bool is_resource_invalid ( const struct resource * res )

static

Definition at line 232 of file resource_allocator_v4.c.

References resource::flags, IORESOURCE_ASSIGNED, and NULL.

Referenced by initialize_bridge_memranges(), and initialize_domain_memranges().

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◆ print_resource_ranges()

static void print_resource_ranges	(	const struct device *	dev,
		const struct memranges *	ranges
	)

static

Definition at line 343 of file resource_allocator_v4.c.

References BIOS_INFO, dev_path(), memranges_each_entry, memranges_is_empty(), printk, range_entry_base(), range_entry_size(), and range_entry_tag().

Referenced by setup_resource_ranges().

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◆ resource2str()

static const char* resource2str ( const struct resource * res )

static

Definition at line 20 of file resource_allocator_v4.c.

References resource::flags, IORESOURCE_IO, IORESOURCE_MEM, and IORESOURCE_PREFETCH.

Referenced by allocate_child_resources(), cleanup_resource_ranges(), setup_resource_ranges(), update_bridge_resource(), and update_constraints().

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◆ round()

static resource_t round	(	resource_t	val,
		unsigned long	pow
	)

static

Round a number up to an alignment.

Parameters

val	The starting value.
pow	Alignment as a power of two.

Returns: Rounded up number.

Definition at line 15 of file resource_allocator_v4.c.

References ALIGN_UP, POWER_OF_2, and val.

Referenced by update_bridge_resource().

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◆ setup_resource_ranges()

static void setup_resource_ranges	(	const struct device *	dev,
		const struct resource *	res,
		unsigned long	type,
		struct memranges *	ranges
	)

static

Definition at line 471 of file resource_allocator_v4.c.

References resource::align, resource::base, BIOS_DEBUG, constrain_domain_resources(), bus::dev, dev_path(), DEVICE_PATH_DOMAIN, resource::gran, initialize_bridge_memranges(), initialize_domain_memranges(), resource::limit, device::path, print_resource_ranges(), printk, resource2str(), resource::size, device_path::type, and type.

Referenced by allocate_bridge_resources(), and allocate_domain_resources().

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◆ update_bridge_resource()

static void update_bridge_resource	(	const struct device *	bridge,
		struct resource *	bridge_res,
		unsigned long	type_match,
		int	print_depth
	)

static

Definition at line 50 of file resource_allocator_v4.c.

References resource::align, base, bridge, dev_path(), resource::flags, resource::gran, resource::index, IORESOURCE_ABOVE_4G, IORESOURCE_PREFETCH, IORESOURCE_TYPE_MASK, largest_resource(), resource::limit, NULL, res_printk, resource2str(), round(), and resource::size.

Referenced by compute_bridge_resources().

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◆ update_constraints()

static void update_constraints	(	struct memranges *	ranges,
		const struct device *	dev,
		const struct resource *	res
	)

static

Definition at line 395 of file resource_allocator_v4.c.

References resource::base, BIOS_DEBUG, dev_path(), resource::index, memranges_create_hole(), printk, resource2str(), and resource::size.

Referenced by avoid_fixed_resources().

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Macros

Functions

Macro Definition Documentation

◆ res_printk

Function Documentation

◆ allocate_bridge_resources()

◆ allocate_child_resources()

◆ allocate_domain_resources()

◆ allocate_resources()

◆ avoid_fixed_resources()

◆ cleanup_resource_ranges()

◆ compute_bridge_resources()

◆ compute_domain_resources()

◆ constrain_domain_resources()

◆ dev_has_children()

◆ find_domain_resource()

◆ get_alignment_by_resource_type()

◆ initialize_bridge_memranges()

◆ initialize_domain_io_resource_memranges()

◆ initialize_domain_mem_resource_memranges()

◆ initialize_domain_memranges()

◆ is_resource_invalid()

◆ print_resource_ranges()

◆ resource2str()

◆ round()

◆ setup_resource_ranges()

◆ update_bridge_resource()

◆ update_constraints()