We are going to support VFIO on NPU PHB type which will share some code
with the normal IODA2 PHB.
This exports pnv_pci_ioda2_create_table and pnv_pci_ioda2_get_table_size.
This exports debugging helper pe_level_printk() as well.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 13 +++----------
arch/powerpc/platforms/powernv/pci.h | 15 +++++++++++++++
2 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c
b/arch/powerpc/platforms/powernv/pci-ioda.c
index becd168..1a96498 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -56,7 +56,7 @@
static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl);
-static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
+void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
const char *fmt, ...)
{
struct va_format vaf;
@@ -87,13 +87,6 @@ static void pe_level_printk(const struct pnv_ioda_pe *pe,
const char *level,
va_end(args);
}
-#define pe_err(pe, fmt, ...) \
- pe_level_printk(pe, KERN_ERR, fmt, ##__VA_ARGS__)
-#define pe_warn(pe, fmt, ...) \
- pe_level_printk(pe, KERN_WARNING, fmt, ##__VA_ARGS__)
-#define pe_info(pe, fmt, ...) \
- pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__)
-
static bool pnv_iommu_bypass_disabled __read_mostly;
static int __init iommu_setup(char *str)
@@ -2130,7 +2123,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid,
__u64 bus_offset,
__u32 page_shift, __u64 window_size, __u32 levels,
struct iommu_table *tbl);
-static long pnv_pci_ioda2_create_table(struct iommu_table_group *table_group,
+long pnv_pci_ioda2_create_table(struct iommu_table_group *table_group,
int num, __u32 page_shift, __u64 window_size, __u32 levels,
struct iommu_table **ptbl)
{
@@ -2246,7 +2239,7 @@ static long pnv_pci_ioda2_unset_window(struct
iommu_table_group *table_group,
#endif
#ifdef CONFIG_IOMMU_API
-static unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
+unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
__u64 window_size, __u32 levels)
{
unsigned long bytes = 0;
diff --git a/arch/powerpc/platforms/powernv/pci.h
b/arch/powerpc/platforms/powernv/pci.h
index 0c0083a..3017717d 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -232,6 +232,21 @@ extern void pnv_pci_dma_bus_setup(struct pci_bus *bus);
extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type);
extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);
+extern unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
+ __u64 window_size, __u32 levels);
+extern long pnv_pci_ioda2_create_table(struct iommu_table_group *table_group,
+ int num, __u32 page_shift, __u64 window_size, __u32 levels,
+ struct iommu_table **ptbl);
+
+extern void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
+ const char *fmt, ...);
+#define pe_err(pe, fmt, ...) \
+ pe_level_printk(pe, KERN_ERR, fmt, ##__VA_ARGS__)
+#define pe_warn(pe, fmt, ...) \
+ pe_level_printk(pe, KERN_WARNING, fmt, ##__VA_ARGS__)
+#define pe_info(pe, fmt, ...) \
+ pe_level_printk(pe, KERN_INFO, fmt, ##__VA_ARGS__)
+
/* Nvlink functions */
extern void pnv_npu_try_dma_set_bypass(struct pci_dev *gpdev, bool bypass);
extern void pnv_pci_ioda2_tce_invalidate_entire(struct pnv_phb *phb, bool rm);
--
2.5.0.rc3
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