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author | Jag Raman <jag.raman@oracle.com> | 2022-06-07 16:21:40 -0400 |
---|---|---|
committer | GitHub <noreply@github.com> | 2022-06-07 21:21:40 +0100 |
commit | a767ebd126157c4aa55ff0fe5786681507fb7ea8 (patch) | |
tree | 6876e347860a2ab1871d0e413312fe507fd006d6 /test/py | |
parent | d307dbcab74aef3680ba99d7f836f2bc0b4bc81e (diff) | |
download | libvfio-user-a767ebd126157c4aa55ff0fe5786681507fb7ea8.zip libvfio-user-a767ebd126157c4aa55ff0fe5786681507fb7ea8.tar.gz libvfio-user-a767ebd126157c4aa55ff0fe5786681507fb7ea8.tar.bz2 |
irq: inform device of IRQ mask & unmask via callback (#694)
Client masks or unmasks a device IRQ using the
VFIO_USER_DEVICE_SET_IRQS message. Inform the device of such changes to
the IRQ state.
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: John Levon <john.levon@nutanix.com>
Diffstat (limited to 'test/py')
-rw-r--r-- | test/py/libvfio_user.py | 19 | ||||
-rw-r--r-- | test/py/test_device_set_irqs.py | 19 |
2 files changed, 38 insertions, 0 deletions
diff --git a/test/py/libvfio_user.py b/test/py/libvfio_user.py index 4bdb761..76d9315 100644 --- a/test/py/libvfio_user.py +++ b/test/py/libvfio_user.py @@ -624,6 +624,11 @@ lib.vfu_create_ioeventfd.argtypes = (c.c_void_p, c.c_uint32, c.c_int, lib.vfu_device_quiesced.argtypes = (c.c_void_p, c.c_int) +vfu_dev_irq_state_cb_t = c.CFUNCTYPE(None, c.c_void_p, c.c_uint32, + c.c_bool, use_errno=True) +lib.vfu_setup_irq_state_callback.argtypes = (c.c_void_p, c.c_int, + vfu_dev_irq_state_cb_t) + def to_byte(val): """Cast an int to a byte value.""" @@ -1030,6 +1035,20 @@ def vfu_setup_device_nr_irqs(ctx, irqtype, count): return lib.vfu_setup_device_nr_irqs(ctx, irqtype, count) +def irq_state(ctx, vector, mask): + pass + + +@vfu_dev_irq_state_cb_t +def __irq_state(ctx, vector, mask): + irq_state(ctx, vector, mask) + + +def vfu_setup_irq_state_callback(ctx, irqtype, cb=__irq_state): + assert ctx is not None + return lib.vfu_setup_irq_state_callback(ctx, irqtype, cb) + + def vfu_pci_init(ctx, pci_type=VFU_PCI_TYPE_EXPRESS, hdr_type=PCI_HEADER_TYPE_NORMAL): assert ctx is not None diff --git a/test/py/test_device_set_irqs.py b/test/py/test_device_set_irqs.py index 382804a..7525b30 100644 --- a/test/py/test_device_set_irqs.py +++ b/test/py/test_device_set_irqs.py @@ -27,6 +27,8 @@ # DAMAGE. # +from unittest.mock import patch + from libvfio_user import * import errno import os @@ -53,6 +55,9 @@ def test_device_set_irqs_setup(): ret = vfu_setup_device_nr_irqs(ctx, VFU_DEV_MSIX_IRQ, 2048) assert ret == 0 + vfu_setup_irq_state_callback(ctx, VFU_DEV_MSIX_IRQ) + assert ret == 0 + ret = vfu_realize_ctx(ctx) assert ret == 0 @@ -308,6 +313,20 @@ def test_device_set_irqs_enable_trigger_bool(): assert struct.unpack("Q", os.read(fd2, 8))[0] == 9 +@patch('libvfio_user.irq_state') +def test_irq_state(mock_irq_state): + assert mock_irq_state.call_count == 0 + + payload = vfio_irq_set(argsz=argsz, flags=VFIO_IRQ_SET_DATA_NONE | + VFIO_IRQ_SET_ACTION_MASK, + index=VFU_DEV_MSIX_IRQ, + start=0, count=1) + + msg(ctx, sock, VFIO_USER_DEVICE_SET_IRQS, payload) + + assert mock_irq_state.call_count == 1 + + def test_device_set_irqs_cleanup(): vfu_destroy_ctx(ctx) |