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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 12:03:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 12:03:52 -0800
commit269b012321f2f1f8e4648c43a93bf432b42c6668 (patch)
treee30ec565db50d4aec570cb52e9b29bd584beb2fd /arch/x86/include
parentf60a0a79846abed04ad5abddb5dafd14b66e1ab0 (diff)
parent065a6d68c71af2a3bdd080fa5aa353b76eede8f5 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu: (89 commits) AMD IOMMU: remove now unnecessary #ifdefs AMD IOMMU: prealloc_protection_domains should be static kvm/iommu: fix compile warning AMD IOMMU: add statistics about total number of map requests AMD IOMMU: add statistics about allocated io memory AMD IOMMU: add stats counter for domain tlb flushes AMD IOMMU: add stats counter for single iommu domain tlb flushes AMD IOMMU: add stats counter for cross-page request AMD IOMMU: add stats counter for free_coherent requests AMD IOMMU: add stats counter for alloc_coherent requests AMD IOMMU: add stats counter for unmap_sg requests AMD IOMMU: add stats counter for map_sg requests AMD IOMMU: add stats counter for unmap_single requests AMD IOMMU: add stats counter for map_single requests AMD IOMMU: add stats counter for completion wait events AMD IOMMU: add init code for statistic collection AMD IOMMU: add necessary header defines for stats counting AMD IOMMU: add Kconfig entry for statistic collection code AMD IOMMU: use dev_name in iommu_enable function AMD IOMMU: use calc_devid in prealloc_protection_domains ...
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/amd_iommu_types.h61
-rw-r--r--arch/x86/include/asm/kvm_host.h2
2 files changed, 43 insertions, 20 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index ac302a2fa33..95c8cd9d22b 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -190,16 +190,23 @@
/* FIXME: move this macro to <linux/pci.h> */
#define PCI_BUS(x) (((x) >> 8) & 0xff)
+/* Protection domain flags */
+#define PD_DMA_OPS_MASK (1UL << 0) /* domain used for dma_ops */
+#define PD_DEFAULT_MASK (1UL << 1) /* domain is a default dma_ops
+ domain for an IOMMU */
+
/*
* This structure contains generic data for IOMMU protection domains
* independent of their use.
*/
struct protection_domain {
- spinlock_t lock; /* mostly used to lock the page table*/
- u16 id; /* the domain id written to the device table */
- int mode; /* paging mode (0-6 levels) */
- u64 *pt_root; /* page table root pointer */
- void *priv; /* private data */
+ spinlock_t lock; /* mostly used to lock the page table*/
+ u16 id; /* the domain id written to the device table */
+ int mode; /* paging mode (0-6 levels) */
+ u64 *pt_root; /* page table root pointer */
+ unsigned long flags; /* flags to find out type of domain */
+ unsigned dev_cnt; /* devices assigned to this domain */
+ void *priv; /* private data */
};
/*
@@ -295,7 +302,7 @@ struct amd_iommu {
bool int_enabled;
/* if one, we need to send a completion wait command */
- int need_sync;
+ bool need_sync;
/* default dma_ops domain for that IOMMU */
struct dma_ops_domain *default_dom;
@@ -374,7 +381,7 @@ extern struct protection_domain **amd_iommu_pd_table;
extern unsigned long *amd_iommu_pd_alloc_bitmap;
/* will be 1 if device isolation is enabled */
-extern int amd_iommu_isolate;
+extern bool amd_iommu_isolate;
/*
* If true, the addresses will be flushed on unmap time, not when
@@ -382,18 +389,6 @@ extern int amd_iommu_isolate;
*/
extern bool amd_iommu_unmap_flush;
-/* takes a PCI device id and prints it out in a readable form */
-static inline void print_devid(u16 devid, int nl)
-{
- int bus = devid >> 8;
- int dev = devid >> 3 & 0x1f;
- int fn = devid & 0x07;
-
- printk("%02x:%02x.%x", bus, dev, fn);
- if (nl)
- printk("\n");
-}
-
/* takes bus and device/function and returns the device id
* FIXME: should that be in generic PCI code? */
static inline u16 calc_devid(u8 bus, u8 devfn)
@@ -401,4 +396,32 @@ static inline u16 calc_devid(u8 bus, u8 devfn)
return (((u16)bus) << 8) | devfn;
}
+#ifdef CONFIG_AMD_IOMMU_STATS
+
+struct __iommu_counter {
+ char *name;
+ struct dentry *dent;
+ u64 value;
+};
+
+#define DECLARE_STATS_COUNTER(nm) \
+ static struct __iommu_counter nm = { \
+ .name = #nm, \
+ }
+
+#define INC_STATS_COUNTER(name) name.value += 1
+#define ADD_STATS_COUNTER(name, x) name.value += (x)
+#define SUB_STATS_COUNTER(name, x) name.value -= (x)
+
+#else /* CONFIG_AMD_IOMMU_STATS */
+
+#define DECLARE_STATS_COUNTER(name)
+#define INC_STATS_COUNTER(name)
+#define ADD_STATS_COUNTER(name, x)
+#define SUB_STATS_COUNTER(name, x)
+
+static inline void amd_iommu_stats_init(void) { }
+
+#endif /* CONFIG_AMD_IOMMU_STATS */
+
#endif /* _ASM_X86_AMD_IOMMU_TYPES_H */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 97215a458e5..730843d1d2f 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -360,7 +360,7 @@ struct kvm_arch{
struct list_head active_mmu_pages;
struct list_head assigned_dev_head;
struct list_head oos_global_pages;
- struct dmar_domain *intel_iommu_domain;
+ struct iommu_domain *iommu_domain;
struct kvm_pic *vpic;
struct kvm_ioapic *vioapic;
struct kvm_pit *vpit;