pnv-ocxl.h 1.4 KB

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  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. #include <linux/pci.h>
  6. #define PNV_OCXL_TL_MAX_TEMPLATE 63
  7. #define PNV_OCXL_TL_BITS_PER_RATE 4
  8. #define PNV_OCXL_TL_RATE_BUF_SIZE ((PNV_OCXL_TL_MAX_TEMPLATE+1) * PNV_OCXL_TL_BITS_PER_RATE / 8)
  9. extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled,
  10. u16 *supported);
  11. extern int pnv_ocxl_get_pasid_count(struct pci_dev *dev, int *count);
  12. extern int pnv_ocxl_get_tl_cap(struct pci_dev *dev, long *cap,
  13. char *rate_buf, int rate_buf_size);
  14. extern int pnv_ocxl_set_tl_conf(struct pci_dev *dev, long cap,
  15. uint64_t rate_buf_phys, int rate_buf_size);
  16. extern int pnv_ocxl_get_xsl_irq(struct pci_dev *dev, int *hwirq);
  17. extern void pnv_ocxl_unmap_xsl_regs(void __iomem *dsisr, void __iomem *dar,
  18. void __iomem *tfc, void __iomem *pe_handle);
  19. extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
  20. void __iomem **dar, void __iomem **tfc,
  21. void __iomem **pe_handle);
  22. extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
  23. void **platform_data);
  24. extern void pnv_ocxl_spa_release(void *platform_data);
  25. extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
  26. extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
  27. extern void pnv_ocxl_free_xive_irq(u32 irq);
  28. #endif /* _ASM_PNV_OCXL_H */