1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 // Copyright 2017 IBM Corp. 3 #ifndef _ASM_PNV_OCXL_H 4 #define _ASM_PNV_OCXL_H 5 6 #include <linux/pci.h> 7 8 #define PNV_OCXL_TL_MAX_TEMPLATE 63 9 #define PNV_OCXL_TL_BITS_PER_RATE 4 10 #define PNV_OCXL_TL_RATE_BUF_SIZE ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8) 11 12 extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled, 13 u16 *supported); 14 extern int pnv_ocxl_get_pasid_count(struct pci_dev *dev, int *count); 15 16 extern int pnv_ocxl_get_tl_cap(struct pci_dev *dev, long *cap, 17 char *rate_buf, int rate_buf_size); 18 extern int pnv_ocxl_set_tl_conf(struct pci_dev *dev, long cap, 19 uint64_t rate_buf_phys, int rate_buf_size); 20 21 extern int pnv_ocxl_get_xsl_irq(struct pci_dev *dev, int *hwirq); 22 extern void pnv_ocxl_unmap_xsl_regs(void __iomem *dsisr, void __iomem *dar, 23 void __iomem *tfc, void __iomem *pe_handle); 24 extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr, 25 void __iomem **dar, void __iomem **tfc, 26 void __iomem **pe_handle); 27 28 extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask, 29 void **platform_data); 30 extern void pnv_ocxl_spa_release(void *platform_data); 31 extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle); 32 33 extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr); 34 extern void pnv_ocxl_free_xive_irq(u32 irq); 35 36 #endif /* _ASM_PNV_OCXL_H */ 37