Message ID | 20231213234345.779722-4-volodymyr_babchuk@epam.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Series |
Make vSBDF configurable by toolstack
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expand
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diff --git a/tools/libs/light/libxl_pci.c b/tools/libs/light/libxl_pci.c index 723e577ef5..13c7b12343 100644 --- a/tools/libs/light/libxl_pci.c +++ b/tools/libs/light/libxl_pci.c @@ -1421,6 +1421,7 @@ static void pci_add_dm_done(libxl__egc *egc, uint32_t flag = XEN_DOMCTL_DEV_RDM_RELAXED; uint32_t domainid = domid; bool isstubdom = libxl_is_stubdom(ctx, domid, &domainid); + uint32_t vsbdf = XEN_DOMCTL_DEV_SDBF_ANY; /* Convenience aliases */ bool starting = pas->starting; @@ -1524,12 +1525,16 @@ out_no_irq: rc = ERROR_FAIL; goto out; } - r = xc_assign_device(ctx->xch, domid, pci_encode_bdf(pci), NULL, flag); + if (pci->vdevfn) + vsbdf = pci->vdevfn; + + r = xc_assign_device(ctx->xch, domid, pci_encode_bdf(pci), &vsbdf, flag); if (r < 0 && (hvm || errno != ENOSYS)) { LOGED(ERROR, domainid, "xc_assign_device failed"); rc = ERROR_FAIL; goto out; } + LOGD(DEBUG, domainid, "Got vSBDF %x", vsbdf); } if (!libxl_get_stubdom_id(CTX, domid))
Now, when "assign_device" domctl supports providing a virtual SBDF, we can leverage "vslot" option from PCI_SPEC_STRING and pass user requested function number to the hypervisor. Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com> --- tools/libs/light/libxl_pci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)