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Add device description fields to struct device.

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This commit is contained in:
Michael Brown
2007-01-10 15:27:48 +00:00
parent 489a4004d7
commit fdc97499bf
10 changed files with 116 additions and 24 deletions
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48
src/include/gpxe/device.h
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@@ -11,10 +11,58 @@
#include <gpxe/list.h>
#include <gpxe/tables.h>
/** A PCI device description */
struct pci_device_description {
/** Bus type
*
* Must be @c BUS_TYPE_PCI.
*/
unsigned int bus_type;
/** Bus:dev.fn address
*
* As constructed by PCI_BUSDEVFN().
*/
unsigned int busdevfn;
/** Vendor ID */
unsigned int vendor;
/** Device ID */
unsigned int device;
};
/** PCI bus type */
#define BUS_TYPE_PCI 1
/** An ISAPnP device description */
struct isapnp_device_description {
/** Bus type
*
* Must be @c BUS_TYPE_ISAPNP.
*/
unsigned int bus_type;
};
/** PCI bus type */
#define BUS_TYPE_ISAPNP 2
/** A hardware device description */
union device_description {
/** Bus type
*
* This must be a BUS_TYPE_XXX constant.
*/
unsigned int bus_type;
/** PCI device description */
struct pci_device_description pci;
/** ISAPnP device description */
struct isapnp_device_description isapnp;
};
/** A hardware device */
struct device {
/** Name */
char name[16];
/** Device description */
union device_description desc;
/** Devices on the same bus */
struct list_head siblings;
/** Devices attached to this device */

7
src/include/gpxe/pci.h
View File

@@ -307,9 +307,10 @@ struct pci_driver {
/** Declare a PCI driver */
#define __pci_driver __table ( struct pci_driver, pci_drivers, 01 )
#define PCI_DEVFN( slot, func ) ( ( (slot) << 3 ) | (func) )
#define PCI_SLOT( devfn ) ( ( (devfn) >> 3 ) & 0x1f )
#define PCI_FUNC( devfn ) ( (devfn) & 0x07 )
#define PCI_DEVFN( slot, func ) ( ( (slot) << 3 ) | (func) )
#define PCI_SLOT( devfn ) ( ( (devfn) >> 3 ) & 0x1f )
#define PCI_FUNC( devfn ) ( (devfn) & 0x07 )
#define PCI_BUSDEVFN( bus, devfn ) ( ( (bus) << 8 ) | (devfn) )
#define PCI_BASE_CLASS( class ) ( (class) >> 16 )