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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1212aa1c8c
Turning snoops on is the last step in CAPP recovery. Sapphire is expected to have reinitialized the PHB and done the previous recovery steps. Add mode argument to opal call to do this. Driver can turn snoops off although it does not currently. Signed-off-by: Ryan Grimm <grimm@linux.vnet.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
32 lines
1006 B
C
32 lines
1006 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_mode(struct pci_dev *dev, uint64_t mode);
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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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