Coyote/driver/hypervisor/hypervisor_interrupts.h

43 lines
2.1 KiB
C

/**
* Copyright (c) 2023, Systems Group, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __HYPERVISOR_INTERRUPTS_H__
#define __HYPERVISOR_INTERRUPTS_H__
#include "../coyote_dev.h"
/* MSIX header set up */
void set_up_msix_header(struct pci_config_space *cfg, uint8_t offset, uint16_t regs);
size_t write_to_msix_header(void *cfg, uint8_t offset, uint32_t val, uint8_t count);
/* MSIX management */
void msix_unset_all_interrupts(struct m_fpga_dev *d);
int handle_set_irq_msix(struct m_fpga_dev *d, struct vfio_irq_set *irq_set);
uint64_t fire_interrupt(struct msix_interrupt *inter);
irqreturn_t hypervisor_tlb_miss_isr(int irq, void *dev_id);
#endif