[Xen-API] [PATCH 1 of 5] CA-36384: [experimental PCI passthrough]: add a "-priv" cmdline argument to qemu when a PCI device is to be passed through

[David Scott <dave.scott@xxxxxxxxxxxxx>]

# HG changeset patch
# User David Scott <dave.scott@xxxxxxxxxxxxx>
# Date 1263336660 0
# Node ID a55bf5604cb881b788f10433f66ced392e0d31a2
# Parent  fd0e562dcc4a31cdef6d1c1db2898d217463567e
CA-36384: [experimental PCI passthrough]: add a "-priv" cmdline argument to 
qemu when a PCI device is to be passed through.

This is necessary because the depriv'ed qemu cannot read /sys

Signed-off-by: David Scott <dave.scott@xxxxxxxxxxxxx>

diff -r fd0e562dcc4a -r a55bf5604cb8 ocaml/xapi/vmops.ml
--- a/ocaml/xapi/vmops.ml       Tue Jan 12 22:50:59 2010 +0000
+++ b/ocaml/xapi/vmops.ml       Tue Jan 12 22:51:00 2010 +0000
@@ -595,6 +595,7 @@
                        Device.Dm.usb = usb;
                        Device.Dm.acpi = acpi;
                        Device.Dm.disp = disp;
+                       Device.Dm.pci_passthrough = List.mem_assoc "pci" 
other_config;
 
                        
Device.Dm.xenclient_enabled=Xapi_globs.xenclient_enabled;
                        Device.Dm.hvm=hvm;
diff -r fd0e562dcc4a -r a55bf5604cb8 ocaml/xenops/device.ml
--- a/ocaml/xenops/device.ml    Tue Jan 12 22:50:59 2010 +0000
+++ b/ocaml/xenops/device.ml    Tue Jan 12 22:51:00 2010 +0000
@@ -1312,7 +1312,8 @@
        acpi: bool;
        disp: disp_opt;
        pci_emulations: string list;
-
+       pci_passthrough: bool;
+       
        (* Xenclient extras *)
        xenclient_enabled : bool;
        hvm : bool;
@@ -1479,6 +1480,7 @@
           @ (if info.acpi then [ "-acpi" ] else [])
           @ (if restore then [ "-loadvm"; restorefile ] else [])
           @ (List.fold_left (fun l pci -> "-pciemulation" :: pci :: l) [] 
(List.rev info.pci_emulations))
+          @ (if info.pci_passthrough then ["-priv"] else [])
           @ xenclient_specific_options
           @ (List.fold_left (fun l (k, v) -> ("-" ^ k) :: (match v with None 
-> l | Some v -> v :: l)) [] info.extras)
                in
diff -r fd0e562dcc4a -r a55bf5604cb8 ocaml/xenops/device.mli
--- a/ocaml/xenops/device.mli   Tue Jan 12 22:50:59 2010 +0000
+++ b/ocaml/xenops/device.mli   Tue Jan 12 22:51:00 2010 +0000
@@ -178,6 +178,7 @@
                acpi: bool;
                disp: disp_opt;
                pci_emulations: string list;
+               pci_passthrough: bool;
 
                (* Xenclient extras *)
                xenclient_enabled: bool;
diff -r fd0e562dcc4a -r a55bf5604cb8 ocaml/xenops/xenops.ml
--- a/ocaml/xenops/xenops.ml    Tue Jan 12 22:50:59 2010 +0000
+++ b/ocaml/xenops/xenops.ml    Tue Jan 12 22:51:00 2010 +0000
@@ -294,6 +294,7 @@
          Device.Dm.vcpus = vcpus;
          Device.Dm.nics = [];
          Device.Dm.pci_emulations = [];
+         Device.Dm.pci_passthrough = false;
          Device.Dm.usb = [];
          Device.Dm.acpi = true;
          Device.Dm.disp = Device.Dm.NONE;
4 files changed, 6 insertions(+), 1 deletion(-)
ocaml/xapi/vmops.ml     |    1 +
ocaml/xenops/device.ml  |    4 +++-
ocaml/xenops/device.mli |    1 +
ocaml/xenops/xenops.ml  |    1 +

Attachment: xen-api.hg-5.patch
Description: Text Data

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