| 20,6 → 20,7 |
|---|
| resource_size_t end; |
| const char *name; |
| unsigned long flags; |
| unsigned long desc; |
| struct resource *parent, *sibling, *child; |
| }; |
| |
| 49,12 → 50,19 |
|---|
| #define IORESOURCE_WINDOW 0x00200000 /* forwarded by bridge */ |
| #define IORESOURCE_MUXED 0x00400000 /* Resource is software muxed */ |
| |
| #define IORESOURCE_EXT_TYPE_BITS 0x01000000 /* Resource extended types */ |
| #define IORESOURCE_SYSRAM 0x01000000 /* System RAM (modifier) */ |
| |
| #define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ |
| |
| #define IORESOURCE_DISABLED 0x10000000 |
| #define IORESOURCE_UNSET 0x20000000 /* No address assigned yet */ |
| #define IORESOURCE_AUTO 0x40000000 |
| #define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */ |
| |
| /* I/O resource extended types */ |
| #define IORESOURCE_SYSTEM_RAM (IORESOURCE_MEM|IORESOURCE_SYSRAM) |
| |
| /* PnP IRQ specific bits (IORESOURCE_BITS) */ |
| #define IORESOURCE_IRQ_HIGHEDGE (1<<0) |
| #define IORESOURCE_IRQ_LOWEDGE (1<<1) |
| 98,13 → 106,27 |
|---|
| |
| /* PCI ROM control bits (IORESOURCE_BITS) */ |
| #define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */ |
| #define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */ |
| #define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */ |
| #define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */ |
| #define IORESOURCE_ROM_SHADOW (1<<1) /* Use RAM image, not ROM BAR */ |
| |
| /* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */ |
| #define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */ |
| |
| /* |
| * I/O Resource Descriptors |
| * |
| * Descriptors are used by walk_iomem_res_desc() and region_intersects() |
| * for searching a specific resource range in the iomem table. Assign |
| * a new descriptor when a resource range supports the search interfaces. |
| * Otherwise, resource.desc must be set to IORES_DESC_NONE (0). |
| */ |
| enum { |
| IORES_DESC_NONE = 0, |
| IORES_DESC_CRASH_KERNEL = 1, |
| IORES_DESC_ACPI_TABLES = 2, |
| IORES_DESC_ACPI_NV_STORAGE = 3, |
| IORES_DESC_PERSISTENT_MEMORY = 4, |
| IORES_DESC_PERSISTENT_MEMORY_LEGACY = 5, |
| }; |
| |
| /* helpers to define resources */ |
| #define DEFINE_RES_NAMED(_start, _size, _name, _flags) \ |
| 113,6 → 135,7 |
|---|
| .end = (_start) + (_size) - 1, \ |
| .name = (_name), \ |
| .flags = (_flags), \ |
| .desc = IORES_DESC_NONE, \ |
| } |
| |
| #define DEFINE_RES_IO_NAMED(_start, _size, _name) \ |
| 149,6 → 172,7 |
|---|
| extern struct resource *insert_resource_conflict(struct resource *parent, struct resource *new); |
| extern int insert_resource(struct resource *parent, struct resource *new); |
| extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); |
| extern int remove_resource(struct resource *old); |
| extern void arch_remove_reservations(struct resource *avail); |
| extern int allocate_resource(struct resource *root, struct resource *new, |
| resource_size_t size, resource_size_t min, |
| 170,6 → 194,10 |
|---|
| { |
| return res->flags & IORESOURCE_TYPE_BITS; |
| } |
| static inline unsigned long resource_ext_type(const struct resource *res) |
| { |
| return res->flags & IORESOURCE_EXT_TYPE_BITS; |
| } |
| /* True iff r1 completely contains r2 */ |
| static inline bool resource_contains(struct resource *r1, struct resource *r2) |
| { |