| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |