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authorKeir Fraser <keir.fraser@citrix.com>2008-10-09 12:47:31 +0100
committerKeir Fraser <keir.fraser@citrix.com>2008-10-09 12:47:31 +0100
commitb79e6e11f8aee9491f6cf60ae21669ce66d4b4e4 (patch)
tree4639a38cc62af9e8844a56dc3412e193a85f3ed5 /xen/arch/x86/pci.c
parentaa2c2fc5085c008e6401037eca683a55be374ec5 (diff)
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vtd: Make some pci access functions architecture independent.
Signed-off-by: Anthony Xu <anthony.xu@intel.com> Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Diffstat (limited to 'xen/arch/x86/pci.c')
-rw-r--r--xen/arch/x86/pci.c61
1 files changed, 1 insertions, 60 deletions
diff --git a/xen/arch/x86/pci.c b/xen/arch/x86/pci.c
index e139313e5f..e7e5f81dd4 100644
--- a/xen/arch/x86/pci.c
+++ b/xen/arch/x86/pci.c
@@ -1,12 +1,9 @@
/******************************************************************************
* pci.c
*
- * PCI access functions.
+ * Architecture-dependent PCI access functions.
*/
-#include <xen/config.h>
-#include <xen/pci.h>
-#include <xen/pci_regs.h>
#include <xen/spinlock.h>
#include <asm/io.h>
@@ -118,59 +115,3 @@ void pci_conf_write32(
pci_conf_write(PCI_CONF_ADDRESS(bus, dev, func, reg), 0, 4, data);
}
-int pci_find_cap_offset(u8 bus, u8 dev, u8 func, u8 cap)
-{
- u8 id;
- int max_cap = 48;
- u8 pos = PCI_CAPABILITY_LIST;
- u16 status;
-
- status = pci_conf_read16(bus, dev, func, PCI_STATUS);
- if ( (status & PCI_STATUS_CAP_LIST) == 0 )
- return 0;
-
- while ( max_cap-- )
- {
- pos = pci_conf_read8(bus, dev, func, pos);
- if ( pos < 0x40 )
- break;
-
- pos &= ~3;
- id = pci_conf_read8(bus, dev, func, pos + PCI_CAP_LIST_ID);
-
- if ( id == 0xff )
- break;
- else if ( id == cap )
- return pos;
-
- pos += PCI_CAP_LIST_NEXT;
- }
-
- return 0;
-}
-
-int pci_find_next_cap(u8 bus, unsigned int devfn, u8 pos, int cap)
-{
- u8 id;
- int ttl = 48;
-
- while ( ttl-- )
- {
- pos = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn), pos);
- if ( pos < 0x40 )
- break;
-
- pos &= ~3;
- id = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn),
- pos + PCI_CAP_LIST_ID);
-
- if ( id == 0xff )
- break;
- if ( id == cap )
- return pos;
-
- pos += PCI_CAP_LIST_NEXT;
- }
- return 0;
-}
-