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[pci] Use single "busdevfn" field in struct pci_device

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Merge the "bus" and "devfn" fields into a single "busdevfn" field, to
match the format used by the majority of external code.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-02-09 00:32:58 +00:00
parent 00f5ba701f
commit f9b3fae8d4
10 changed files with 97 additions and 101 deletions
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21
src/include/ipxe/pci.h
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@@ -302,10 +302,8 @@ struct pci_device {
uint32_t class;
/** Interrupt number */
uint8_t irq;
/** Bus number */
uint8_t bus;
/** Device and function number */
uint8_t devfn;
/** Bus, device, and function (bus:dev.fn) number */
uint16_t busdevfn;
/** Driver for this device */
struct pci_driver *driver;
/** Driver-private data
@@ -347,11 +345,11 @@ struct pci_driver {
/** Declare a PCI driver */
#define __pci_driver __table_entry ( 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_BUS( busdevfn ) ( (busdevfn) >> 8 )
#define PCI_BUSDEVFN( bus, devfn ) ( ( (bus) << 8 ) | (devfn) )
#define PCI_BUS( busdevfn ) ( ( (busdevfn) >> 8 ) & 0xff )
#define PCI_SLOT( busdevfn ) ( ( (busdevfn) >> 3 ) & 0x1f )
#define PCI_FUNC( busdevfn ) ( ( (busdevfn) >> 0 ) & 0x07 )
#define PCI_BUSDEVFN( bus, slot, func ) \
( ( (bus) << 8 ) | ( (slot) << 3 ) | ( (func) << 0 ) )
#define PCI_BASE_CLASS( class ) ( (class) >> 16 )
#define PCI_SUB_CLASS( class ) ( ( (class) >> 8 ) & 0xff )
@@ -378,8 +376,9 @@ struct pci_driver {
#define PCI_FMT "PCI %02x:%02x.%x"
/** PCI device debug message arguments */
#define PCI_ARGS( pci ) \
(pci)->bus, PCI_SLOT ( (pci)->devfn ), PCI_FUNC ( (pci)->devfn )
#define PCI_ARGS( pci ) \
PCI_BUS ( (pci)->busdevfn ), PCI_SLOT ( (pci)->busdevfn ), \
PCI_FUNC ( (pci)->busdevfn )
extern void adjust_pci_device ( struct pci_device *pci );
extern unsigned long pci_bar_start ( struct pci_device *pci,