1 /* 2 * Copyright 2014 IBM Corp. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 */ 9 10 #ifndef _ASM_PNV_PCI_H 11 #define _ASM_PNV_PCI_H 12 13 #include <linux/pci.h> 14 #include <misc/cxl-base.h> 15 16 #define PCI_SLOT_ID_PREFIX 0x8000000000000000 17 #define PCI_SLOT_ID(phb_id, bdfn) \ 18 (PCI_SLOT_ID_PREFIX | ((uint64_t)(bdfn) << 16) | (phb_id)) 19 20 extern int pnv_pci_get_slot_id(struct device_node *np, uint64_t *id); 21 22 int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode); 23 int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq, 24 unsigned int virq); 25 int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num); 26 void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num); 27 int pnv_cxl_get_irq_count(struct pci_dev *dev); 28 struct device_node *pnv_pci_get_phb_node(struct pci_dev *dev); 29 30 #ifdef CONFIG_CXL_BASE 31 int pnv_cxl_alloc_hwirq_ranges(struct cxl_irq_ranges *irqs, 32 struct pci_dev *dev, int num); 33 void pnv_cxl_release_hwirq_ranges(struct cxl_irq_ranges *irqs, 34 struct pci_dev *dev); 35 #endif 36 37 #endif 38