/* SPDX-License-Identifier: GPL-2.0+ */
// Copyright 2017 IBM Corp.
#ifndef _ASM_PNV_OCXL_H
#define _ASM_PNV_OCXL_H

#include <linux/pci.h>

#define PNV_OCXL_TL_MAX_TEMPLATE        63
#define PNV_OCXL_TL_BITS_PER_RATE       4
#define PNV_OCXL_TL_RATE_BUF_SIZE       ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8)

extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled,
			u16 *supported);
extern int pnv_ocxl_get_pasid_count(struct pci_dev *dev, int *count);

extern int pnv_ocxl_get_tl_cap(struct pci_dev *dev, long *cap,
			char *rate_buf, int rate_buf_size);
extern int pnv_ocxl_set_tl_conf(struct pci_dev *dev, long cap,
			uint64_t rate_buf_phys, int rate_buf_size);

extern int pnv_ocxl_get_xsl_irq(struct pci_dev *dev, int *hwirq);
extern void pnv_ocxl_unmap_xsl_regs(void __iomem *dsisr, void __iomem *dar,
				void __iomem *tfc, void __iomem *pe_handle);
extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
				void __iomem **dar, void __iomem **tfc,
				void __iomem **pe_handle);

extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
			void **platform_data);
extern void pnv_ocxl_spa_release(void *platform_data);
extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);

extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
extern void pnv_ocxl_free_xive_irq(u32 irq);

#endif /* _ASM_PNV_OCXL_H */