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authorYinghai Lu <yinghai@kernel.org>2012-04-03 05:31:54 +0400
committerBjorn Helgaas <bhelgaas@google.com>2012-05-01 00:52:43 +0400
commitd28e5ac2a07e27638cf5ac061721b7969e17fe78 (patch)
tree4ae91ae8d95f3ef23d8fa9be5f1d02b8cdc53715 /arch/x86/pci/bus_numa.h
parent35cb05e5bdac209cfdfafbe50d89ee7069cb6237 (diff)
downloadlinux-d28e5ac2a07e27638cf5ac061721b7969e17fe78.tar.xz
x86/PCI: dynamically allocate pci_root_info for native host bridge drivers
This dynamically allocates struct pci_root_info instead of using a static array. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/x86/pci/bus_numa.h')
-rw-r--r--arch/x86/pci/bus_numa.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
index 804a4b40c31a..226a466b2b2b 100644
--- a/arch/x86/pci/bus_numa.h
+++ b/arch/x86/pci/bus_numa.h
@@ -4,22 +4,24 @@
* sub bus (transparent) will use entres from 3 to store extra from
* root, so need to make sure we have enough slot there.
*/
-#define RES_NUM 16
+struct pci_root_res {
+ struct list_head list;
+ struct resource res;
+};
+
struct pci_root_info {
+ struct list_head list;
char name[12];
- unsigned int res_num;
- struct resource res[RES_NUM];
+ struct list_head resources;
int bus_min;
int bus_max;
int node;
int link;
};
-/* 4 at this time, it may become to 32 */
-#define PCI_ROOT_NR 4
-extern int pci_root_num;
-extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
-
+extern struct list_head pci_root_infos;
+struct pci_root_info *alloc_pci_root_info(int bus_min, int bus_max,
+ int node, int link);
extern void update_res(struct pci_root_info *info, resource_size_t start,
resource_size_t end, unsigned long flags, int merge);
#endif