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80c49c7e4a
This adds a number of functions for allocating IRQs under powernv PCIe for cxl. Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
32 lines
986 B
C
32 lines
986 B
C
/*
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* Copyright 2014 IBM Corp.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_PNV_PCI_H
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#define _ASM_PNV_PCI_H
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#include <linux/pci.h>
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#include <misc/cxl.h>
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int pnv_phb_to_cxl(struct pci_dev *dev);
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int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq,
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unsigned int virq);
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int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num);
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void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num);
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int pnv_cxl_get_irq_count(struct pci_dev *dev);
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struct device_node *pnv_pci_to_phb_node(struct pci_dev *dev);
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#ifdef CONFIG_CXL_BASE
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int pnv_cxl_alloc_hwirq_ranges(struct cxl_irq_ranges *irqs,
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struct pci_dev *dev, int num);
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void pnv_cxl_release_hwirq_ranges(struct cxl_irq_ranges *irqs,
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struct pci_dev *dev);
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#endif
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#endif
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