diff options
| author |   Jorgen Hansen <jhansen@vmware.com> | 2022-02-07 02:27:22 -0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-08 12:15:59 +0100 |
| commit | cc68f2177fcbfe2dbe5e9514789b96ba5995ec1e (patch) | |
| tree | 078cb72a081dcbe47065327ba5a7a7ff700f3443 /include/linux/vmw_vmci_defs.h | |
| parent | VMCI: dma dg: set OS page size (diff) | |
| download | wireguard-linux-cc68f2177fcbfe2dbe5e9514789b96ba5995ec1e.tar.xz wireguard-linux-cc68f2177fcbfe2dbe5e9514789b96ba5995ec1e.zip | |
VMCI: dma dg: register dummy IRQ handlers for DMA datagrams
Register dummy interrupt handlers for DMA datagrams in preparation for
DMA datagram receive operations.
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Jorgen Hansen <jhansen@vmware.com>
Link: https://lore.kernel.org/r/20220207102725.2742-6-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 | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h index 4167779469fd..2b70c024dacb 100644 --- a/include/linux/vmw_vmci_defs.h +++ b/include/linux/vmw_vmci_defs.h @@ -45,13 +45,22 @@ /* Interrupt Cause register bits. */ #define VMCI_ICR_DATAGRAM BIT(0) #define VMCI_ICR_NOTIFICATION BIT(1) +#define VMCI_ICR_DMA_DATAGRAM BIT(2) /* Interrupt Mask register bits. */ #define VMCI_IMR_DATAGRAM BIT(0) #define VMCI_IMR_NOTIFICATION BIT(1) +#define VMCI_IMR_DMA_DATAGRAM BIT(2) -/* Maximum MSI/MSI-X interrupt vectors in the device. */ -#define VMCI_MAX_INTRS 2 +/* + * Maximum MSI/MSI-X interrupt vectors in the device. + * If VMCI_CAPS_DMA_DATAGRAM is supported by the device, + * VMCI_MAX_INTRS_DMA_DATAGRAM vectors are available, + * otherwise only VMCI_MAX_INTRS_NOTIFICATION. + */ +#define VMCI_MAX_INTRS_NOTIFICATION 2 +#define VMCI_MAX_INTRS_DMA_DATAGRAM 3 +#define VMCI_MAX_INTRS VMCI_MAX_INTRS_DMA_DATAGRAM /* * Supported interrupt vectors. There is one for each ICR value above, @@ -60,6 +69,7 @@ enum { VMCI_INTR_DATAGRAM = 0, VMCI_INTR_NOTIFICATION = 1, + VMCI_INTR_DMA_DATAGRAM = 2, }; /* |