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xen/pciback: Support pci_reset_function, aka FLR or D3 support.

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We use the __pci_reset_function_locked to perform the action.
Also on attaching ("bind") and detaching ("unbind") we save and
restore the configuration states. When the device is disconnected
from a guest we use the "pci_reset_function" to also reset the
device before being passed to another guest.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk
2012-01-04 14:30:58 -05:00
parent a96d627aba
commit cd9db80e52
2 changed files with 39 additions and 3 deletions
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drivers/xen/xen-pciback/pciback.h
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@@ -41,6 +41,7 @@ struct xen_pcibk_device {
struct xen_pcibk_dev_data {
struct list_head config_fields;
struct pci_saved_state *pci_saved_state;
unsigned int permissive:1;
unsigned int warned_on_write:1;
unsigned int enable_intx:1;