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Diffstat (limited to 'arch/powerpc/platforms/powernv/pci.h')
-rw-r--r--arch/powerpc/platforms/powernv/pci.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index 8bc479634643..7cfb7c883deb 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -17,9 +17,14 @@ enum pnv_phb_model {
};
#define PNV_PCI_DIAG_BUF_SIZE 4096
+#define PNV_IODA_PE_DEV (1 << 0) /* PE has single PCI device */
+#define PNV_IODA_PE_BUS (1 << 1) /* PE has primary PCI bus */
+#define PNV_IODA_PE_BUS_ALL (1 << 2) /* PE has subordinate buses */
/* Data associated with a PE, including IOMMU tracking etc.. */
struct pnv_ioda_pe {
+ unsigned long flags;
+
/* A PE can be associated with a single device or an
* entire bus (& children). In the former case, pdev
* is populated, in the later case, pbus is.
@@ -40,11 +45,6 @@ struct pnv_ioda_pe {
*/
unsigned int dma_weight;
- /* This is a PCI-E -> PCI-X bridge, this points to the
- * corresponding bus PE
- */
- struct pnv_ioda_pe *bus_pe;
-
/* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */
int tce32_seg;
int tce32_segcount;
@@ -59,7 +59,8 @@ struct pnv_ioda_pe {
int mve_number;
/* Link in list of PE#s */
- struct list_head link;
+ struct list_head dma_link;
+ struct list_head list;
};
struct pnv_phb {
@@ -68,6 +69,7 @@ struct pnv_phb {
enum pnv_phb_model model;
u64 opal_id;
void __iomem *regs;
+ int initialized;
spinlock_t lock;
#ifdef CONFIG_PCI_MSI
@@ -107,6 +109,11 @@ struct pnv_phb {
unsigned int *io_segmap;
struct pnv_ioda_pe *pe_array;
+ /* Sorted list of used PE's based
+ * on the sequence of creation
+ */
+ struct list_head pe_list;
+
/* Reverse map of PEs, will have to extend if
* we are to support more than 256 PEs, indexed
* bus { bus, devfn }
@@ -125,7 +132,7 @@ struct pnv_phb {
/* Sorted list of used PE's, sorted at
* boot for resource allocation purposes
*/
- struct list_head pe_list;
+ struct list_head pe_dma_list;
} ioda;
};