motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 16:23:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

util: Introduce vfio helpers

Browse source 
This is a library to manage the host vfio interface, which could be used
to implement userspace device driver code in QEMU such as NVMe or net
controllers.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180116060901.17413-3-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Fam Zheng 2018-01-16 14:08:54 +08:00
parent a37eaa53f9
commit 418026ca43
4 changed files with 772 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
util/trace-events
View file

@ -60,3 +60,14 @@ lockcnt_futex_wake(const void *lockcnt) "lockcnt %p waking up one waiter"
qemu_mutex_lock(void *mutex, const char *file, const int line) "waiting on mutex %p (%s:%d)"
qemu_mutex_locked(void *mutex, const char *file, const int line) "taken mutex %p (%s:%d)"
qemu_mutex_unlock(void *mutex, const char *file, const int line) "released mutex %p (%s:%d)"
# util/vfio-helpers.c
qemu_vfio_dma_reset_temporary(void *s) "s %p"
qemu_vfio_ram_block_added(void *s, void *p, size_t size) "s %p host %p size 0x%zx"
qemu_vfio_ram_block_removed(void *s, void *p, size_t size) "s %p host %p size 0x%zx"
qemu_vfio_find_mapping(void *s, void *p) "s %p host %p"
qemu_vfio_new_mapping(void *s, void *host, size_t size, int index, uint64_t iova) "s %p host %p size %zu index %d iova 0x%"PRIx64
qemu_vfio_do_mapping(void *s, void *host, size_t size, uint64_t iova) "s %p host %p size %zu iova 0x%"PRIx64
qemu_vfio_dma_map(void *s, void *host, size_t size, bool temporary, uint64_t *iova) "s %p host %p size %zu temporary %d iova %p"
qemu_vfio_dma_map_invalid(void *s, void *mapping_host, size_t mapping_size, void *host, size_t size) "s %p mapping %p %zu requested %p %zu"
qemu_vfio_dma_unmap(void *s, void *host) "s %p host %p"