diff options
| author | Muli Ben-Yehuda <muli@il.ibm.com> | 2007-07-22 00:23:39 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-21 18:37:14 -0700 |
| commit | 08f1c192c3c32797068bfe97738babb3295bbf42 (patch) | |
| tree | e875b7b97b081ddc1eb9db8e4435d5ecf65ebadc /include | |
| parent | 7557244ba27f63404236cb27277b98c27d856692 (diff) | |
| download | op-kernel-dev-08f1c192c3c32797068bfe97738babb3295bbf42.zip op-kernel-dev-08f1c192c3c32797068bfe97738babb3295bbf42.tar.gz | |
x86-64: introduce struct pci_sysdata to facilitate sharing of ->sysdata
This patch introduces struct pci_sysdata to x86 and x86-64, and
converts the existing two users (NUMA, Calgary) to use it.
This lays the groundwork for having other users of sysdata, such as
the PCI domains work.
The Calgary bits are tested, the NUMA bits just look ok.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-i386/pci.h | 5 | ||||
| -rw-r--r-- | include/asm-i386/topology.h | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/pci.h | 19 | ||||
| -rw-r--r-- | include/asm-x86_64/topology.h | 2 |
4 files changed, 26 insertions, 2 deletions
diff --git a/include/asm-i386/pci.h b/include/asm-i386/pci.h index 392d3fe..d790343 100644 --- a/include/asm-i386/pci.h +++ b/include/asm-i386/pci.h @@ -3,6 +3,11 @@ #ifdef __KERNEL__ + +struct pci_sysdata { + int node; /* NUMA node */ +}; + #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h index 7fc512d..19b2dafd 100644 --- a/include/asm-i386/topology.h +++ b/include/asm-i386/topology.h @@ -67,7 +67,7 @@ static inline int node_to_first_cpu(int node) return first_cpu(mask); } -#define pcibus_to_node(bus) ((long) (bus)->sysdata) +#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)) /* sched_domains SD_NODE_INIT for NUMAQ machines */ diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index bda94fd..88926eb 100644 --- a/include/asm-x86_64/pci.h +++ b/include/asm-x86_64/pci.h @@ -5,6 +5,25 @@ #ifdef __KERNEL__ +struct pci_sysdata { + int node; /* NUMA node */ + void* iommu; /* IOMMU private data */ +}; + +#ifdef CONFIG_CALGARY_IOMMU +static inline void* pci_iommu(struct pci_bus *bus) +{ + struct pci_sysdata *sd = bus->sysdata; + return sd->iommu; +} + +static inline void set_pci_iommu(struct pci_bus *bus, void *val) +{ + struct pci_sysdata *sd = bus->sysdata; + sd->iommu = val; +} +#endif /* CONFIG_CALGARY_IOMMU */ + #include <linux/mm.h> /* for struct page */ /* Can be used to override the logic in pci_scan_bus for skipping diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index 4fd6fb2..36e52fb 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -22,7 +22,7 @@ extern int __node_distance(int, int); #define parent_node(node) (node) #define node_to_first_cpu(node) (first_cpu(node_to_cpumask[node])) #define node_to_cpumask(node) (node_to_cpumask[node]) -#define pcibus_to_node(bus) ((long)(bus->sysdata)) +#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); #define numa_node_id() read_pda(nodenumber) |
