123 lines
3.6 KiB
Python
123 lines
3.6 KiB
Python
#
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# Copyright (c) 2021 Nutanix Inc. All rights reserved.
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#
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# Authors: John Levon <john.levon@nutanix.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Nutanix nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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# DAMAGE.
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#
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import errno
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from libvfio_user import *
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def test_vfu_realize_ctx_twice():
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ctx = vfu_create_ctx()
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assert ctx is not None
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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vfu_destroy_ctx(ctx)
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def test_vfu_unrealized_ctx():
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ctx = vfu_create_ctx()
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assert ctx is not None
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vfu_run_ctx(ctx, errno.EINVAL)
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vfu_destroy_ctx(ctx)
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def test_vfu_realize_ctx_default():
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ctx = vfu_create_ctx()
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assert ctx is not None
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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vfu_destroy_ctx(ctx)
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def test_vfu_realize_ctx_pci_bars():
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ctx = vfu_create_ctx()
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assert ctx is not None
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ret = vfu_setup_region(ctx, index=VFU_PCI_DEV_BAR0_REGION_IDX, size=4096,
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flags=VFU_REGION_FLAG_RW)
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assert ret == 0
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ret = vfu_setup_region(ctx, index=VFU_PCI_DEV_BAR1_REGION_IDX, size=4096,
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flags=(VFU_REGION_FLAG_RW | VFU_REGION_FLAG_MEM))
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assert ret == 0
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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# region_type should be set non-MEM BAR, unset otherwise
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hdr = get_pci_header(ctx)
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assert hdr.bars[0].io == 0x1
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assert hdr.bars[1].io == 0
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vfu_destroy_ctx(ctx)
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def test_vfu_realize_ctx_irqs():
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ctx = vfu_create_ctx()
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assert ctx is not None
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ret = vfu_setup_device_nr_irqs(ctx, VFU_DEV_INTX_IRQ, 1)
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assert ret == 0
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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# verify INTA# is available
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hdr = get_pci_header(ctx)
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assert hdr.intr.ipin == 0x1
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vfu_destroy_ctx(ctx)
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def test_vfu_realize_ctx_caps():
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ctx = vfu_create_ctx()
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assert ctx is not None
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ret = vfu_pci_init(ctx)
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assert ret == 0
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pos = vfu_pci_add_capability(ctx, pos=0, flags=0, data=struct.pack(
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"ccHH", to_byte(PCI_CAP_ID_PM), b'\0', 0, 0))
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assert pos == PCI_STD_HEADER_SIZEOF
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ret = vfu_realize_ctx(ctx)
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assert ret == 0
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# hdr.sts.cl should be 0x1
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hdr = get_pci_header(ctx)
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assert hdr.sts == (1 << 4)
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vfu_destroy_ctx(ctx)
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