79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
/*-
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* Copyright (c) 2018 VMware, Inc. All Rights Reserved.
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*
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* SPDX-License-Identifier: (BSD-2-Clause OR GPL-2.0)
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*
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* $FreeBSD$
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*/
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/* Driver for VMware Virtual Machine Communication Interface (VMCI) device. */
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#ifndef _VMCI_H_
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#define _VMCI_H_
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/taskqueue.h>
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#include <machine/bus.h>
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#include "vmci_datagram.h"
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#include "vmci_kernel_if.h"
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/* VMCI device vendor and device ID */
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#define VMCI_VMWARE_VENDOR_ID 0x15AD
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#define VMCI_VMWARE_DEVICE_ID 0x0740
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#define VMCI_VERSION 1
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struct vmci_dma_alloc {
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bus_dma_tag_t dma_tag;
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caddr_t dma_vaddr;
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bus_addr_t dma_paddr;
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bus_dmamap_t dma_map;
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bus_size_t dma_size;
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};
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struct vmci_interrupt {
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struct resource *vmci_irq;
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int vmci_rid;
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void *vmci_handler;
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};
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struct vmci_softc {
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device_t vmci_dev;
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struct mtx vmci_spinlock;
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struct resource *vmci_res0;
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bus_space_tag_t vmci_iot0;
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bus_space_handle_t vmci_ioh0;
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unsigned int vmci_ioaddr;
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struct resource *vmci_res1;
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bus_space_tag_t vmci_iot1;
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bus_space_handle_t vmci_ioh1;
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struct vmci_dma_alloc vmci_notifications_bitmap;
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int vmci_num_intr;
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vmci_intr_type vmci_intr_type;
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struct vmci_interrupt vmci_intrs[VMCI_MAX_INTRS];
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struct task vmci_interrupt_dq_task;
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struct task vmci_interrupt_bm_task;
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struct task vmci_delayed_work_task;
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struct mtx vmci_delayed_work_lock;
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vmci_list(vmci_delayed_work_info) vmci_delayed_work_infos;
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unsigned int capabilities;
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};
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int vmci_dma_malloc(bus_size_t size, bus_size_t align,
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struct vmci_dma_alloc *dma);
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void vmci_dma_free(struct vmci_dma_alloc *);
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int vmci_schedule_delayed_work_fn(vmci_work_fn *work_fn, void *data);
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#endif /* !_VMCI_H_ */
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