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feat: taken qsort from PDCLIB, Sorting drivers. Generic driver

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structure. Driver ranking
This commit is contained in:
Rick Rongen
2021-03-07 14:43:35 +01:00
parent 01efc5e98a
commit f6e720bad9
11 changed files with 255 additions and 44 deletions
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37
kernel/drivers/pci.h
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@@ -10,10 +10,15 @@
#include <stdbool.h>
#include <attributes.h>
#define PCI_CLASS_MASS_STORAGE 0x01
#define PCI_CLASS_MASS_STORAGE 0x01
#define PCI_CLASS_BRIDGE 0x06
// class MASS STORAGE 1
#define PCI_SUB_CLASS_IDE 0x01
// class MASS STORAGE 0x01
#define PCI_SUB_CLASS_IDE 0x01
// class BRIDGE 0x06
#define PCI_SUB_CLASS_PCI_PCI_BRIDGE_4 0x04
#define PCI_SUB_CLASS_PCI_PCI_BRIDGE_9 0x09
#define PCI_REGISTER_OK 0
#define PCI_REGISTER_ERR_FULL (-1)
@@ -24,6 +29,9 @@
#define PCI_INIT_OK 0
#define PCI_INIT_FAIL 1
#define PCI_USE_OK 0
#define PCI_USE_FAIL 1
#define PCI_HEADER_TYPE_MULTI_FUNC 0x80
#define PCI_HEADER_TYPE_ENDPOINT 0x00
#define PCI_HEADER_TYPE_PCI_PCI_BRIDGE 0x01
@@ -79,6 +87,8 @@
typedef struct pci_device pci_device;
typedef uint8_t (*pci_driver_use)(const pci_device *);
typedef uint8_t (*pci_driver_validate)(const pci_device *);
typedef uint8_t (*pci_driver_initialize)(pci_device *);
@@ -86,14 +96,27 @@ typedef uint8_t (*pci_driver_initialize)(pci_device *);
struct pci_driver {
const char *name;
const char *description;
uint8_t order;
uint8_t pci_class;
uint8_t pci_subclass;
uint16_t rank;
struct {
bool pci_use_subclass: 1;
uint8_t class;
uint8_t subclass;
uint8_t interface;
uint16_t vendor;
uint16_t device;
} match;
struct {
bool class: 1;
bool subclass: 1;
bool interface: 1;
bool vendor: 1;
bool device: 1;
} mask;
struct {
bool direct_use: 1;
bool validatable: 1;
bool initialisable: 1;
};
pci_driver_use use;
pci_driver_validate validate;
pci_driver_initialize initialize;
} __attribute__((__aligned__(STRUCT_ALIGNMENT)));