116 lines
2.5 KiB
C
116 lines
2.5 KiB
C
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#ifndef _CONFIG_MANAGER_H
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#define _CONFIG_MANAGER_H
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#include <module.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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B_ISA_BUS,
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B_PCI_BUS,
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B_PCMCIA_BUS,
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B_UNKNOWN_BUS = 0x80
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} bus_type;
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typedef struct {
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uchar base;
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uchar subtype;
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uchar interface;
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} device_type;
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typedef struct {
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uint32 mask;
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uint32 flags;
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uint32 cookie;
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} resource_mask_descriptor;
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typedef struct {
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uint32 minbase;
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uint32 maxbase;
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uint32 basealign;
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uint32 len;
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uint32 flags;
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uint32 cookie;
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} resource_range_descriptor;
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typedef enum {
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B_IRQ_RESOURCE,
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B_DMA_RESOURCE,
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B_IO_PORT_RESOURCE,
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B_MEMORY_RESOURCE
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} resource_type;
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typedef struct {
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resource_type type;
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union {
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resource_mask_descriptor m;
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resource_range_descriptor r;
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uint32 for_padding[7];
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} d;
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} resource_descriptor;
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struct device_configuration {
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uint32 flags;
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uint32 num_resources;
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resource_descriptor resources[0];
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};
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struct possible_device_configurations {
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uint32 flags;
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uint32 num_possible;
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struct device_configuration possible[0];
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};
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struct device_info {
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uint32 size;
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uint32 bus_dependent_info_offset;
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bus_type bus;
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device_type devtype;
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uint32 id[4]; /* unique (per-bus) normally-persistent id for device */
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uint32 flags;
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status_t config_status;
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/* bus-dependent data goes here... */
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};
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#define B_DEVICE_INFO_ENABLED 1
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#define B_DEVICE_INFO_CONFIGURED 2
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#define B_DEVICE_INFO_CAN_BE_DISABLED 4
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typedef struct config_manager_for_driver_module_info {
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module_info minfo;
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status_t (*get_next_device_info)(bus_type bus, uint64 *cookie,
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struct device_info *info, uint32 len);
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status_t (*get_device_info_for)(uint64 device,
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struct device_info *info, uint32 len);
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status_t (*get_size_of_current_configuration_for)(uint64 device);
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status_t (*get_current_configuration_for)(uint64 device,
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struct device_configuration *config, uint32 len);
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status_t (*get_size_of_possible_configurations_for)(uint64 device);
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status_t (*get_possible_configurations_for)(uint64 device,
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struct possible_device_configurations *possible,
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uint32 len);
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/* helper routines for drivers */
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status_t (*count_resource_descriptors_of_type)(
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const struct device_configuration *config,
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resource_type type);
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status_t (*get_nth_resource_descriptor_of_type)(
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const struct device_configuration *config, uint32 n,
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resource_type type, resource_descriptor *descriptor,
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uint32 len);
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} config_manager_for_driver_module_info;
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#define B_CONFIG_MANAGER_FOR_DRIVER_MODULE_NAME "bus_managers/config_manager/driver/v1"
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CONFIG_MANAGER_H */
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