ocxl: Split pci.c

In preparation for making core code available for external drivers,
move the core code out of pci.c and into core.c
Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

drivers/misc/ocxl/Makefile

@@ -3,6 +3,7 @@ ccflags-$(CONFIG_PPC_WERROR)	+= -Werror
 
 ocxl-y				+= main.o pci.o config.o file.o pasid.o
 ocxl-y				+= link.o context.o afu_irq.o sysfs.o trace.o
+ocxl-y				+= core.o
 obj-$(CONFIG_OCXL)		+= ocxl.o
 
 # For tracepoints to include our trace.h from tracepoint infrastructure:

drivers/misc/ocxl/ocxl_internal.h

@@ -150,4 +150,9 @@ int ocxl_afu_irq_set_fd(struct ocxl_context *ctx, u64 irq_offset,
 			int eventfd);
 u64 ocxl_afu_irq_get_addr(struct ocxl_context *ctx, u64 irq_offset);
 
+struct ocxl_fn *init_function(struct pci_dev *dev);
+void remove_function(struct ocxl_fn *fn);
+int init_afu(struct pci_dev *dev, struct ocxl_fn *fn, u8 afu_idx);
+void remove_afu(struct ocxl_afu *afu);
+
 #endif /* _OCXL_INTERNAL_H_ */