Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
37 lines
1014 B
C
37 lines
1014 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2023, Intel Corporation. */
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#ifndef _ICE_IRQ_H_
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#define _ICE_IRQ_H_
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struct ice_irq_entry {
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unsigned int index;
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bool dynamic; /* allocation type flag */
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};
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struct ice_irq_tracker {
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struct xarray entries;
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u16 num_entries; /* total vectors available */
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u16 num_static; /* preallocated entries */
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};
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struct ice_virt_irq_tracker {
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unsigned long *bm; /* bitmap to track irq usage */
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u32 num_entries;
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/* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
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* number of MSIX vectors needed for all SR-IOV VFs from the number of
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* MSIX vectors allowed on this PF.
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*/
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u32 base;
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};
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int ice_init_interrupt_scheme(struct ice_pf *pf);
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void ice_clear_interrupt_scheme(struct ice_pf *pf);
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struct msi_map ice_alloc_irq(struct ice_pf *pf, bool dyn_only);
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void ice_free_irq(struct ice_pf *pf, struct msi_map map);
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int ice_virt_get_irqs(struct ice_pf *pf, u32 needed);
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void ice_virt_free_irqs(struct ice_pf *pf, u32 index, u32 irqs);
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#endif
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