mirror of
https://github.com/clearlinux/kvmtool.git
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James Hunt
a36ca0db8f
This will allow the OCI code to make use of it, rather than just the options-parsing code. Signed-off-by: James Hunt <james.o.hunt@intel.com>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
#ifndef KVM__VIRTIO_9P_H
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#define KVM__VIRTIO_9P_H
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#include "kvm/virtio.h"
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#include "kvm/pci.h"
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#include "kvm/threadpool.h"
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#include "kvm/parse-options.h"
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#include <sys/types.h>
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#include <dirent.h>
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#define NUM_VIRT_QUEUES 1
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#define VIRTQUEUE_NUM 128
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#define VIRTIO_9P_DEFAULT_TAG "kvm_9p"
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#define VIRTIO_9P_HDR_LEN (sizeof(u32)+sizeof(u8)+sizeof(u16))
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#define VIRTIO_9P_VERSION_DOTL "9P2000.L"
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#define MAX_TAG_LEN 32
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struct p9_msg {
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u32 size;
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u8 cmd;
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u16 tag;
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u8 msg[0];
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} __attribute__((packed));
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struct p9_fid {
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u32 fid;
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u32 uid;
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char abs_path[PATH_MAX];
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char *path;
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DIR *dir;
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int fd;
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struct rb_node node;
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};
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struct p9_dev_job {
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struct virt_queue *vq;
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struct p9_dev *p9dev;
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struct thread_pool__job job_id;
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};
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struct p9_dev {
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struct list_head list;
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struct virtio_device vdev;
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struct rb_root fids;
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struct virtio_9p_config *config;
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u32 features;
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/* virtio queue */
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struct virt_queue vqs[NUM_VIRT_QUEUES];
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struct p9_dev_job jobs[NUM_VIRT_QUEUES];
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char root_dir[PATH_MAX];
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};
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struct p9_pdu {
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u32 queue_head;
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size_t read_offset;
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size_t write_offset;
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u16 out_iov_cnt;
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u16 in_iov_cnt;
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struct iovec in_iov[VIRTQUEUE_NUM];
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struct iovec out_iov[VIRTQUEUE_NUM];
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};
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struct kvm;
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int virtio_9p_rootdir_handle(struct kvm *kvm, const char *arg);
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int virtio_9p_rootdir_parser(const struct option *opt, const char *arg, int unset);
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int virtio_9p_img_name_parser(const struct option *opt, const char *arg, int unset);
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int virtio_9p__register(struct kvm *kvm, const char *root, const char *tag_name);
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int virtio_9p__init(struct kvm *kvm);
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int virtio_p9_pdu_readf(struct p9_pdu *pdu, const char *fmt, ...);
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int virtio_p9_pdu_writef(struct p9_pdu *pdu, const char *fmt, ...);
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#endif
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