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Re: [PATCH 2/3] libvhost-user: Adopt new backend naming
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH 2/3] libvhost-user: Adopt new backend naming |
Date: |
Mon, 30 Jan 2023 06:11:11 -0500 |
On Mon, Jan 30, 2023 at 11:45:47AM +0100, Maxime Coquelin wrote:
> In order to get rid of harmful language, the Vhost-user
> specification changed features and requests naming from
> _SLAVE_ to _BACKEND_.
let's drop "to get rid of the remaining harmful language"
as don't get rid of it. consistency is sufficient motivation.
> This patch adopts the new naming convention.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> subprojects/libvhost-user/libvhost-user.c | 20 ++++++++++----------
> subprojects/libvhost-user/libvhost-user.h | 20 ++++++++++----------
> 2 files changed, 20 insertions(+), 20 deletions(-)
>
> diff --git a/subprojects/libvhost-user/libvhost-user.c
> b/subprojects/libvhost-user/libvhost-user.c
> index fc69783d2b..f661af7c85 100644
> --- a/subprojects/libvhost-user/libvhost-user.c
> +++ b/subprojects/libvhost-user/libvhost-user.c
> @@ -140,7 +140,7 @@ vu_request_to_string(unsigned int req)
> REQ(VHOST_USER_SET_VRING_ENABLE),
> REQ(VHOST_USER_SEND_RARP),
> REQ(VHOST_USER_NET_SET_MTU),
> - REQ(VHOST_USER_SET_SLAVE_REQ_FD),
> + REQ(VHOST_USER_SET_BACKEND_REQ_FD),
> REQ(VHOST_USER_IOTLB_MSG),
> REQ(VHOST_USER_SET_VRING_ENDIAN),
> REQ(VHOST_USER_GET_CONFIG),
> @@ -1365,7 +1365,7 @@ bool vu_set_queue_host_notifier(VuDev *dev, VuVirtq
> *vq, int fd,
> int qidx = vq - dev->vq;
> int fd_num = 0;
> VhostUserMsg vmsg = {
> - .request = VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG,
> + .request = VHOST_USER_BACKEND_VRING_HOST_NOTIFIER_MSG,
> .flags = VHOST_USER_VERSION | VHOST_USER_NEED_REPLY_MASK,
> .size = sizeof(vmsg.payload.area),
> .payload.area = {
> @@ -1383,7 +1383,7 @@ bool vu_set_queue_host_notifier(VuDev *dev, VuVirtq
> *vq, int fd,
>
> vmsg.fd_num = fd_num;
>
> - if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD)) {
> + if (!vu_has_protocol_feature(dev,
> VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD)) {
> return false;
> }
>
> @@ -1461,9 +1461,9 @@ vu_get_protocol_features_exec(VuDev *dev, VhostUserMsg
> *vmsg)
> */
> uint64_t features = 1ULL << VHOST_USER_PROTOCOL_F_MQ |
> 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD |
> - 1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ |
> + 1ULL << VHOST_USER_PROTOCOL_F_BACKEND_REQ |
> 1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER |
> - 1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD |
> + 1ULL << VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD |
> 1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK |
> 1ULL << VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS;
>
> @@ -1494,7 +1494,7 @@ vu_set_protocol_features_exec(VuDev *dev, VhostUserMsg
> *vmsg)
>
> if (vu_has_protocol_feature(dev,
> VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS)
> &&
> - (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_SLAVE_REQ) ||
> + (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_BACKEND_REQ) ||
> !vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_REPLY_ACK))) {
> /*
> * The use case for using messages for kick/call is simulation, to
> make
> @@ -1507,7 +1507,7 @@ vu_set_protocol_features_exec(VuDev *dev, VhostUserMsg
> *vmsg)
> * that actually enables the simulation case.
> */
> vu_panic(dev,
> - "F_IN_BAND_NOTIFICATIONS requires F_SLAVE_REQ &&
> F_REPLY_ACK");
> + "F_IN_BAND_NOTIFICATIONS requires F_BACKEND_REQ &&
> F_REPLY_ACK");
> return false;
> }
>
> @@ -1910,7 +1910,7 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg)
> return vu_get_queue_num_exec(dev, vmsg);
> case VHOST_USER_SET_VRING_ENABLE:
> return vu_set_vring_enable_exec(dev, vmsg);
> - case VHOST_USER_SET_SLAVE_REQ_FD:
> + case VHOST_USER_SET_BACKEND_REQ_FD:
> return vu_set_slave_req_fd(dev, vmsg);
> case VHOST_USER_GET_CONFIG:
> return vu_get_config(dev, vmsg);
> @@ -2416,9 +2416,9 @@ static void _vu_queue_notify(VuDev *dev, VuVirtq *vq,
> bool sync)
> if (vq->call_fd < 0 &&
> vu_has_protocol_feature(dev,
> VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS)
> &&
> - vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_SLAVE_REQ)) {
> + vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_BACKEND_REQ)) {
> VhostUserMsg vmsg = {
> - .request = VHOST_USER_SLAVE_VRING_CALL,
> + .request = VHOST_USER_BACKEND_VRING_CALL,
> .flags = VHOST_USER_VERSION,
> .size = sizeof(vmsg.payload.state),
> .payload.state = {
> diff --git a/subprojects/libvhost-user/libvhost-user.h
> b/subprojects/libvhost-user/libvhost-user.h
> index 8cda9b8f57..8c5a2719e3 100644
> --- a/subprojects/libvhost-user/libvhost-user.h
> +++ b/subprojects/libvhost-user/libvhost-user.h
> @@ -54,12 +54,12 @@ enum VhostUserProtocolFeature {
> VHOST_USER_PROTOCOL_F_RARP = 2,
> VHOST_USER_PROTOCOL_F_REPLY_ACK = 3,
> VHOST_USER_PROTOCOL_F_NET_MTU = 4,
> - VHOST_USER_PROTOCOL_F_SLAVE_REQ = 5,
> + VHOST_USER_PROTOCOL_F_BACKEND_REQ = 5,
> VHOST_USER_PROTOCOL_F_CROSS_ENDIAN = 6,
> VHOST_USER_PROTOCOL_F_CRYPTO_SESSION = 7,
> VHOST_USER_PROTOCOL_F_PAGEFAULT = 8,
> VHOST_USER_PROTOCOL_F_CONFIG = 9,
> - VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD = 10,
> + VHOST_USER_PROTOCOL_F_BACKEND_SEND_FD = 10,
> VHOST_USER_PROTOCOL_F_HOST_NOTIFIER = 11,
> VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD = 12,
> VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14,
> @@ -92,7 +92,7 @@ typedef enum VhostUserRequest {
> VHOST_USER_SET_VRING_ENABLE = 18,
> VHOST_USER_SEND_RARP = 19,
> VHOST_USER_NET_SET_MTU = 20,
> - VHOST_USER_SET_SLAVE_REQ_FD = 21,
> + VHOST_USER_SET_BACKEND_REQ_FD = 21,
> VHOST_USER_IOTLB_MSG = 22,
> VHOST_USER_SET_VRING_ENDIAN = 23,
> VHOST_USER_GET_CONFIG = 24,
> @@ -113,13 +113,13 @@ typedef enum VhostUserRequest {
> } VhostUserRequest;
>
> typedef enum VhostUserSlaveRequest {
> - VHOST_USER_SLAVE_NONE = 0,
> - VHOST_USER_SLAVE_IOTLB_MSG = 1,
> - VHOST_USER_SLAVE_CONFIG_CHANGE_MSG = 2,
> - VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3,
> - VHOST_USER_SLAVE_VRING_CALL = 4,
> - VHOST_USER_SLAVE_VRING_ERR = 5,
> - VHOST_USER_SLAVE_MAX
> + VHOST_USER_BACKEND_NONE = 0,
> + VHOST_USER_BACKEND_IOTLB_MSG = 1,
> + VHOST_USER_BACKEND_CONFIG_CHANGE_MSG = 2,
> + VHOST_USER_BACKEND_VRING_HOST_NOTIFIER_MSG = 3,
> + VHOST_USER_BACKEND_VRING_CALL = 4,
> + VHOST_USER_BACKEND_VRING_ERR = 5,
> + VHOST_USER_BACKEND_MAX
> } VhostUserSlaveRequest;
>
> typedef struct VhostUserMemoryRegion {
> --
> 2.39.1
- [PATCH 0/3] Vhost-user: replace _SLAVE_ with _BACKEND_, Maxime Coquelin, 2023/01/30
- [PATCH 3/3] vhost-user: Adopt new backend naming, Maxime Coquelin, 2023/01/30
- [PATCH 1/3] docs: vhost-user: replace _SLAVE_ with _BACKEND_, Maxime Coquelin, 2023/01/30
- [PATCH 2/3] libvhost-user: Adopt new backend naming, Maxime Coquelin, 2023/01/30
- Re: [PATCH 2/3] libvhost-user: Adopt new backend naming,
Michael S. Tsirkin <=
- Re: [PATCH 0/3] Vhost-user: replace _SLAVE_ with _BACKEND_, Michael S. Tsirkin, 2023/01/30
- Re: [PATCH 0/3] Vhost-user: replace _SLAVE_ with _BACKEND_, Stephen Hemminger, 2023/01/30