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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 | ||
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 | ||
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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 | ||
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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); | |
19df3958 | 31 | extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle); |
6914c757 | 32 | |
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33 | extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr); |
34 | extern void pnv_ocxl_free_xive_irq(u32 irq); | |
35 | ||
6914c757 | 36 | #endif /* _ASM_PNV_OCXL_H */ |