diff options
| author |   Jorgen Hansen <jhansen@vmware.com> | 2022-02-07 02:27:23 -0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-08 12:15:59 +0100 |
| commit | 5ee109828e73bbe4213c373988608d8f33e03d78 (patch) | |
| tree | e03da780d68741add39b34448ae4b459cc7bbc89 /include/linux/vmw_vmci_defs.h | |
| parent | VMCI: dma dg: register dummy IRQ handlers for DMA datagrams (diff) | |
| download | wireguard-linux-5ee109828e73bbe4213c373988608d8f33e03d78.tar.xz wireguard-linux-5ee109828e73bbe4213c373988608d8f33e03d78.zip | |
VMCI: dma dg: allocate send and receive buffers for DMA datagrams
If DMA datagrams are used, allocate send and receive buffers
in coherent DMA memory.
This is done in preparation for the send and receive datagram
operations, where the buffers are used for the exchange of data
between driver and device.
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Jorgen Hansen <jhansen@vmware.com>
Link: https://lore.kernel.org/r/20220207102725.2742-7-jhansen@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/vmw_vmci_defs.h')
| -rw-r--r-- | include/linux/vmw_vmci_defs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h index 2b70c024dacb..8bc37d8244a8 100644 --- a/include/linux/vmw_vmci_defs.h +++ b/include/linux/vmw_vmci_defs.h @@ -21,6 +21,10 @@ #define VMCI_CAPS_ADDR 0x18 #define VMCI_RESULT_LOW_ADDR 0x1c #define VMCI_RESULT_HIGH_ADDR 0x20 +#define VMCI_DATA_OUT_LOW_ADDR 0x24 +#define VMCI_DATA_OUT_HIGH_ADDR 0x28 +#define VMCI_DATA_IN_LOW_ADDR 0x2c +#define VMCI_DATA_IN_HIGH_ADDR 0x30 #define VMCI_GUEST_PAGE_SHIFT 0x34 /* Max number of devices. */ |