tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
12extern int pnv_ocxl_get_actag(struct pci_dev *dev, u16 *base, u16 *enabled,
13 u16 *supported);
14extern int pnv_ocxl_get_pasid_count(struct pci_dev *dev, int *count);
15
16extern int pnv_ocxl_get_tl_cap(struct pci_dev *dev, long *cap,
17 char *rate_buf, int rate_buf_size);
18extern int pnv_ocxl_set_tl_conf(struct pci_dev *dev, long cap,
19 uint64_t rate_buf_phys, int rate_buf_size);
20
21extern int pnv_ocxl_get_xsl_irq(struct pci_dev *dev, int *hwirq);
22extern void pnv_ocxl_unmap_xsl_regs(void __iomem *dsisr, void __iomem *dar,
23 void __iomem *tfc, void __iomem *pe_handle);
24extern 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
28extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
29 void **platform_data);
30extern void pnv_ocxl_spa_release(void *platform_data);
31extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
32
33extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
34extern void pnv_ocxl_free_xive_irq(u32 irq);
35
36#endif /* _ASM_PNV_OCXL_H */