freebsd-dev/sys/dev/vmware/vmci/vmci.h

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