diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2019-09-11 14:51:22 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2019-09-15 21:37:16 +0200 |
| commit | 27eca5c474f8c669fec3079db652df7533d83b55 (patch) | |
| tree | aba9928f3ab92d792845fdcd7cc0d661a97c5a82 /arch/um/drivers/vhost_user.h | |
| parent | 2cd097ba8c05c8d06f8a28daf400303ad0e75e41 (diff) | |
um: virtio: Implement VHOST_USER_PROTOCOL_F_REPLY_ACK
Implement the VHOST_USER_PROTOCOL_F_REPLY_ACK extension for both
slave requests (previous patch) where we have to reply and our
own requests where it helps understand if the slave failed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/drivers/vhost_user.h')
| -rw-r--r-- | arch/um/drivers/vhost_user.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/drivers/vhost_user.h b/arch/um/drivers/vhost_user.h index 8aee9919581e..45ff5ea22fea 100644 --- a/arch/um/drivers/vhost_user.h +++ b/arch/um/drivers/vhost_user.h @@ -6,9 +6,11 @@ /* Message flags */ #define VHOST_USER_FLAG_REPLY BIT(2) +#define VHOST_USER_FLAG_NEED_REPLY BIT(3) /* Feature bits */ #define VHOST_USER_F_PROTOCOL_FEATURES 30 /* Protocol feature bits */ +#define VHOST_USER_PROTOCOL_F_REPLY_ACK 3 #define VHOST_USER_PROTOCOL_F_SLAVE_REQ 5 #define VHOST_USER_PROTOCOL_F_CONFIG 9 /* Vring state index masks */ @@ -20,7 +22,8 @@ /* Supported transport features */ #define VHOST_USER_SUPPORTED_F BIT_ULL(VHOST_USER_F_PROTOCOL_FEATURES) /* Supported protocol features */ -#define VHOST_USER_SUPPORTED_PROTOCOL_F (BIT_ULL(VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \ +#define VHOST_USER_SUPPORTED_PROTOCOL_F (BIT_ULL(VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ + BIT_ULL(VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \ BIT_ULL(VHOST_USER_PROTOCOL_F_CONFIG)) enum vhost_user_request { |