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cryptodev: support QoS

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Add 'throttle-bps' and 'throttle-ops' limitation to set QoS. The
two arguments work with both QEMU command line and QMP command.

Example of QEMU command line:
-object cryptodev-backend-builtin,id=cryptodev1,throttle-bps=1600,\
throttle-ops=100

Example of QMP command:
virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \
throttle-ops 100

or cancel limitation:
virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \
throttle-ops 0

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-11-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
zhenwei pi 2023-03-01 18:58:45 +08:00 • committed by Michael S. Tsirkin
parent e7a775fd9f
commit 2580b452ff
3 changed files with 152 additions and 1 deletions
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7
include/sysemu/cryptodev.h
View file

@ -24,6 +24,7 @@
#define CRYPTODEV_H
#include "qemu/queue.h"
#include "qemu/throttle.h"
#include "qom/object.h"
#include "qapi/qapi-types-cryptodev.h"
@ -187,6 +188,7 @@ typedef struct CryptoDevBackendOpInfo {
CryptoDevBackendSymOpInfo *sym_op_info;
CryptoDevBackendAsymOpInfo *asym_op_info;
} u;
QTAILQ_ENTRY(CryptoDevBackendOpInfo) next;
} CryptoDevBackendOpInfo;
struct CryptoDevBackendClass {
@ -273,6 +275,11 @@ struct CryptoDevBackend {
CryptoDevBackendConf conf;
CryptodevBackendSymStat *sym_stat;
CryptodevBackendAsymStat *asym_stat;
ThrottleState ts;
ThrottleTimers tt;
ThrottleConfig tc;
QTAILQ_HEAD(, CryptoDevBackendOpInfo) opinfos;
};
#define CryptodevSymStatInc(be, op, bytes) do { \