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hw/xen: Add foreignmem operations to allow redirection to internal emulation

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Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
This commit is contained in:
David Woodhouse 2023-01-02 01:13:46 +00:00
parent f80fad16af
commit 15e283c5b6
7 changed files with 88 additions and 26 deletions
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8
hw/char/xen_console.c
View file

@ -237,9 +237,9 @@ static int con_initialise(struct XenLegacyDevice *xendev)
if (!xendev->dev) {
xen_pfn_t mfn = con->ring_ref;
con->sring = xenforeignmemory_map(xen_fmem, con->xendev.dom,
PROT_READ | PROT_WRITE,
1, &mfn, NULL);
con->sring = qemu_xen_foreignmem_map(con->xendev.dom, NULL,
PROT_READ | PROT_WRITE,
1, &mfn, NULL);
} else {
con->sring = xen_be_map_grant_ref(xendev, con->ring_ref,
PROT_READ | PROT_WRITE);
@ -269,7 +269,7 @@ static void con_disconnect(struct XenLegacyDevice *xendev)
if (con->sring) {
if (!xendev->dev) {
xenforeignmemory_unmap(xen_fmem, con->sring, 1);
qemu_xen_foreignmem_unmap(con->sring, 1);
} else {
xen_be_unmap_grant_ref(xendev, con->sring, con->ring_ref);
}