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

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>
pull/1/head
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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7
src/arch/i386/drivers/net/undi.c
View File

@ -66,7 +66,6 @@ static int undipci_probe ( struct pci_device *pci,
const struct pci_device_id *id __unused ) {
struct undi_device *undi;
struct undi_rom *undirom;
unsigned int busdevfn = PCI_BUSDEVFN ( pci->bus, pci->devfn );
int rc;
/* Ignore non-network devices */
@ -80,7 +79,7 @@ static int undipci_probe ( struct pci_device *pci,
pci_set_drvdata ( pci, undi );
/* Find/create our pixie */
if ( preloaded_undi.pci_busdevfn == busdevfn ) {
if ( preloaded_undi.pci_busdevfn == pci->busdevfn ) {
/* Claim preloaded UNDI device */
DBGC ( undi, "UNDI %p using preloaded UNDI device\n", undi );
memcpy ( undi, &preloaded_undi, sizeof ( *undi ) );
@ -93,8 +92,10 @@ static int undipci_probe ( struct pci_device *pci,
}
/* Call UNDI ROM loader to create pixie */
if ( ( rc = undi_load_pci ( undi, undirom, busdevfn ) ) != 0 )
if ( ( rc = undi_load_pci ( undi, undirom,
pci->busdevfn ) ) != 0 ) {
goto err_load_pci;
}
}
/* Add to device hierarchy */

5
src/arch/i386/interface/pcbios/pcibios.c
View File

@ -73,7 +73,7 @@ int pcibios_read ( struct pci_device *pci, uint32_t command, uint32_t *value ){
: "=a" ( status ), "=b" ( discard_b ),
"=c" ( *value ), "=D" ( discard_D )
: "a" ( command >> 16 ), "D" ( command ),
"b" ( PCI_BUSDEVFN ( pci->bus, pci->devfn ) )
"b" ( pci->busdevfn )
: "edx" );
return ( ( status >> 8 ) & 0xff );
@ -99,8 +99,7 @@ int pcibios_write ( struct pci_device *pci, uint32_t command, uint32_t value ){
: "=a" ( status ), "=b" ( discard_b ),
"=c" ( discard_c ), "=D" ( discard_D )
: "a" ( command >> 16 ), "D" ( command ),
"b" ( PCI_BUSDEVFN ( pci->bus, pci->devfn ) ),
"c" ( value )
"b" ( pci->busdevfn ), "c" ( value )
: "edx" );
return ( ( status >> 8 ) & 0xff );

4
src/arch/x86/core/pcidirect.c
View File

@ -34,8 +34,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
* @v where Location within PCI configuration space
*/
void pcidirect_prepare ( struct pci_device *pci, int where ) {
outl ( ( 0x80000000 | ( pci->bus << 16 ) | ( pci->devfn << 8 ) |
( where & ~3 ) ), PCIDIRECT_CONFIG_ADDRESS );
outl ( ( 0x80000000 | ( pci->busdevfn << 8 ) | ( where & ~3 ) ),
PCIDIRECT_CONFIG_ADDRESS );
}
PROVIDE_PCIAPI_INLINE ( direct, pci_max_bus );

117
src/drivers/bus/pci.c
View File

@ -228,75 +228,72 @@ static void pci_remove ( struct pci_device *pci ) {
*/
static int pcibus_probe ( struct root_device *rootdev ) {
struct pci_device *pci = NULL;
unsigned int max_bus;
unsigned int bus;
unsigned int devfn;
unsigned int num_bus;
unsigned int busdevfn;
uint8_t hdrtype = 0;
uint32_t tmp;
int rc;
max_bus = pci_max_bus();
for ( bus = 0 ; bus <= max_bus ; bus++ ) {
for ( devfn = 0 ; devfn <= 0xff ; devfn++ ) {
num_bus = ( pci_max_bus() + 1 );
for ( busdevfn = 0 ; busdevfn < PCI_BUSDEVFN ( num_bus, 0, 0 ) ;
busdevfn++ ) {
/* Allocate struct pci_device */
if ( ! pci )
pci = malloc ( sizeof ( *pci ) );
if ( ! pci ) {
rc = -ENOMEM;
goto err;
}
memset ( pci, 0, sizeof ( *pci ) );
pci->bus = bus;
pci->devfn = devfn;
/* Allocate struct pci_device */
if ( ! pci )
pci = malloc ( sizeof ( *pci ) );
if ( ! pci ) {
rc = -ENOMEM;
goto err;
}
memset ( pci, 0, sizeof ( *pci ) );
pci->busdevfn = busdevfn;
/* Skip all but the first function on
* non-multifunction cards
*/
if ( PCI_FUNC ( devfn ) == 0 ) {
pci_read_config_byte ( pci, PCI_HEADER_TYPE,
&hdrtype );
} else if ( ! ( hdrtype & 0x80 ) ) {
continue;
}
/* Skip all but the first function on
* non-multifunction cards
*/
if ( PCI_FUNC ( busdevfn ) == 0 ) {
pci_read_config_byte ( pci, PCI_HEADER_TYPE,
&hdrtype );
} else if ( ! ( hdrtype & 0x80 ) ) {
continue;
}
/* Check for physical device presence */
pci_read_config_dword ( pci, PCI_VENDOR_ID, &tmp );
if ( ( tmp == 0xffffffff ) || ( tmp == 0 ) )
continue;
/* Check for physical device presence */
pci_read_config_dword ( pci, PCI_VENDOR_ID, &tmp );
if ( ( tmp == 0xffffffff ) || ( tmp == 0 ) )
continue;
/* Populate struct pci_device */
pci->vendor = ( tmp & 0xffff );
pci->device = ( tmp >> 16 );
pci_read_config_dword ( pci, PCI_REVISION, &tmp );
pci->class = ( tmp >> 8 );
pci_read_config_byte ( pci, PCI_INTERRUPT_LINE,
&pci->irq );
pci_read_bases ( pci );
/* Populate struct pci_device */
pci->vendor = ( tmp & 0xffff );
pci->device = ( tmp >> 16 );
pci_read_config_dword ( pci, PCI_REVISION, &tmp );
pci->class = ( tmp >> 8 );
pci_read_config_byte ( pci, PCI_INTERRUPT_LINE,
&pci->irq );
pci_read_bases ( pci );
/* Add to device hierarchy */
snprintf ( pci->dev.name, sizeof ( pci->dev.name ),
"PCI%02x:%02x.%x", bus,
PCI_SLOT ( devfn ), PCI_FUNC ( devfn ) );
pci->dev.desc.bus_type = BUS_TYPE_PCI;
pci->dev.desc.location = PCI_BUSDEVFN (bus, devfn);
pci->dev.desc.vendor = pci->vendor;
pci->dev.desc.device = pci->device;
pci->dev.desc.class = pci->class;
pci->dev.desc.ioaddr = pci->ioaddr;
pci->dev.desc.irq = pci->irq;
pci->dev.parent = &rootdev->dev;
list_add ( &pci->dev.siblings, &rootdev->dev.children);
INIT_LIST_HEAD ( &pci->dev.children );
/* Look for a driver */
if ( pci_probe ( pci ) == 0 ) {
/* pcidev registered, we can drop our ref */
pci = NULL;
} else {
/* Not registered; re-use struct pci_device */
list_del ( &pci->dev.siblings );
}
/* Add to device hierarchy */
snprintf ( pci->dev.name, sizeof ( pci->dev.name ),
"PCI%02x:%02x.%x", PCI_BUS ( busdevfn ),
PCI_SLOT ( busdevfn ), PCI_FUNC ( busdevfn ) );
pci->dev.desc.bus_type = BUS_TYPE_PCI;
pci->dev.desc.location = pci->busdevfn;
pci->dev.desc.vendor = pci->vendor;
pci->dev.desc.device = pci->device;
pci->dev.desc.class = pci->class;
pci->dev.desc.ioaddr = pci->ioaddr;
pci->dev.desc.irq = pci->irq;
pci->dev.parent = &rootdev->dev;
list_add ( &pci->dev.siblings, &rootdev->dev.children);
INIT_LIST_HEAD ( &pci->dev.children );
/* Look for a driver */
if ( pci_probe ( pci ) == 0 ) {
/* pcidev registered, we can drop our ref */
pci = NULL;
} else {
/* Not registered; re-use struct pci_device */
list_del ( &pci->dev.siblings );
}
}

16
src/drivers/net/phantom/phantom.c
View File

@ -1792,9 +1792,8 @@ static int phantom_map_crb ( struct phantom_nic *phantom,
bar0_start = pci_bar_start ( pci, PCI_BASE_ADDRESS_0 );
bar0_size = pci_bar_size ( pci, PCI_BASE_ADDRESS_0 );
DBGC ( phantom, "Phantom %p is PCI %02x:%02x.%x with BAR0 at "
"%08lx+%lx\n", phantom, pci->bus, PCI_SLOT ( pci->devfn ),
PCI_FUNC ( pci->devfn ), bar0_start, bar0_size );
DBGC ( phantom, "Phantom %p is " PCI_FMT " with BAR0 at %08lx+%lx\n",
phantom, PCI_ARGS ( pci ), bar0_start, bar0_size );
if ( ! bar0_start ) {
DBGC ( phantom, "Phantom %p BAR not assigned; ignoring\n",
@ -2057,7 +2056,7 @@ static int phantom_probe ( struct pci_device *pci,
pci_set_drvdata ( pci, netdev );
netdev->dev = &pci->dev;
memset ( phantom, 0, sizeof ( *phantom ) );
phantom->port = PCI_FUNC ( pci->devfn );
phantom->port = PCI_FUNC ( pci->busdevfn );
assert ( phantom->port < PHN_MAX_NUM_PORTS );
settings_init ( &phantom->settings,
&phantom_settings_operations,
@ -2074,16 +2073,19 @@ static int phantom_probe ( struct pci_device *pci,
* B2 will have this fixed; remove this hack when B1 is no
* longer in use.
*/
if ( PCI_FUNC ( pci->devfn ) == 0 ) {
if ( PCI_FUNC ( pci->busdevfn ) == 0 ) {
unsigned int i;
for ( i = 0 ; i < 8 ; i++ ) {
uint32_t temp;
pci->devfn = PCI_DEVFN ( PCI_SLOT ( pci->devfn ), i );
pci->busdevfn =
PCI_BUSDEVFN ( PCI_BUS ( pci->busdevfn ),
PCI_SLOT ( pci->busdevfn ), i );
pci_read_config_dword ( pci, 0xc8, &temp );
pci_read_config_dword ( pci, 0xc8, &temp );
pci_write_config_dword ( pci, 0xc8, 0xf1000 );
}
pci->devfn = PCI_DEVFN ( PCI_SLOT ( pci->devfn ), 0 );
pci->busdevfn = PCI_BUSDEVFN ( PCI_BUS ( pci->busdevfn ),
PCI_SLOT ( pci->busdevfn ), 0 );
}
/* Initialise the command PEG */

2
src/drivers/net/tg3.c
View File

@ -2909,7 +2909,7 @@ static int tg3_get_device_address(struct tg3 *tp)
struct nic *nic = tp->nic;
uint32_t hi, lo, mac_offset;
if (PCI_FUNC(tp->pdev->devfn) == 0)
if (PCI_FUNC(tp->pdev->busdevfn) == 0)
mac_offset = 0x7c;
else
mac_offset = 0xcc;

5
src/drivers/net/vxge/vxge_main.c
View File

@ -511,9 +511,8 @@ vxge_probe(struct pci_device *pdev, const struct pci_device_id *id __unused)
struct vxge_hw_device_hw_info hw_info;
struct vxge_hw_device_version *fw_version;
vxge_debug(VXGE_INFO, "vxge_probe for device %02X:%02X.%X\n",
pdev->bus, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
vxge_debug(VXGE_INFO, "vxge_probe for device " PCI_FMT "\n",
PCI_ARGS(pdev));
pci_read_config_byte(pdev, PCI_REVISION_ID, &revision);
titan1 = is_titan1(pdev->device, revision);

21
src/include/ipxe/pci.h
View File

@ -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,

19
src/interface/efi/efi_pci.c
View File

@ -35,8 +35,9 @@ EFI_REQUIRE_PROTOCOL ( EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL, &efipci );
static unsigned long efipci_address ( struct pci_device *pci,
unsigned long location ) {
return EFI_PCI_ADDRESS ( pci->bus, PCI_SLOT ( pci->devfn ),
PCI_FUNC ( pci->devfn ),
return EFI_PCI_ADDRESS ( PCI_BUS ( pci->busdevfn ),
PCI_SLOT ( pci->busdevfn ),
PCI_FUNC ( pci->busdevfn ),
EFIPCI_OFFSET ( location ) );
}
@ -47,10 +48,9 @@ int efipci_read ( struct pci_device *pci, unsigned long location,
if ( ( efirc = efipci->Pci.Read ( efipci, EFIPCI_WIDTH ( location ),
efipci_address ( pci, location ), 1,
value ) ) != 0 ) {
DBG ( "EFIPCI config read from %02x:%02x.%x offset %02lx "
"failed: %s\n", pci->bus, PCI_SLOT ( pci->devfn ),
PCI_FUNC ( pci->devfn ), EFIPCI_OFFSET ( location ),
efi_strerror ( efirc ) );
DBG ( "EFIPCI config read from " PCI_FMT " offset %02lx "
"failed: %s\n", PCI_ARGS ( pci ),
EFIPCI_OFFSET ( location ), efi_strerror ( efirc ) );
return -EIO;
}
@ -64,10 +64,9 @@ int efipci_write ( struct pci_device *pci, unsigned long location,
if ( ( efirc = efipci->Pci.Write ( efipci, EFIPCI_WIDTH ( location ),
efipci_address ( pci, location ), 1,
&value ) ) != 0 ) {
DBG ( "EFIPCI config write to %02x:%02x.%x offset %02lx "
"failed: %s\n", pci->bus, PCI_SLOT ( pci->devfn ),
PCI_FUNC ( pci->devfn ), EFIPCI_OFFSET ( location ),
efi_strerror ( efirc ) );
DBG ( "EFIPCI config write to " PCI_FMT " offset %02lx "
"failed: %s\n", PCI_ARGS ( pci ),
EFIPCI_OFFSET ( location ), efi_strerror ( efirc ) );
return -EIO;
}

2
src/interface/efi/efi_snp.c
View File

@ -794,7 +794,7 @@ efi_snp_netdev ( EFI_DRIVER_BINDING_PROTOCOL *driver, EFI_HANDLE device ) {
( ( unsigned long ) pci_fn ) );
/* Look up corresponding network device */
pci_busdevfn = PCI_BUSDEVFN ( pci_bus, PCI_DEVFN ( pci_dev, pci_fn ) );
pci_busdevfn = PCI_BUSDEVFN ( pci_bus, pci_dev, pci_fn );
if ( ( netdev = find_netdev_by_location ( BUS_TYPE_PCI,
pci_busdevfn ) ) == NULL ) {
DBGCP ( driver, "SNPDRV %p device %p is not a iPXE network "