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| author | Ira Weiny <ira.weiny@intel.com> | 2023-04-23 17:20:09 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-05-19 10:30:46 -0400 |
| commit | 547a652fd1e10c2b6a2b9b91084e4c1cea8665a2 (patch) | |
| tree | 4986d29ce7fd11630c34381911a9f8508ed308b4 /hw | |
| parent | b6aab4597173f5d112a8aa0f3ded502cfb7042a9 (diff) | |
| download | qemu-547a652fd1e10c2b6a2b9b91084e4c1cea8665a2.zip qemu-547a652fd1e10c2b6a2b9b91084e4c1cea8665a2.tar.gz qemu-547a652fd1e10c2b6a2b9b91084e4c1cea8665a2.tar.bz2 | |
hw/cxl: Introduce cxl_device_get_timestamp() utility function
There are new users of this functionality coming shortly so factor
it out from the GET_TIMESTAMP mailbox command handling.
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230423162013.4535-3-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/cxl/cxl-device-utils.c | 15 | ||||
| -rw-r--r-- | hw/cxl/cxl-mailbox-utils.c | 11 |
2 files changed, 16 insertions, 10 deletions
diff --git a/hw/cxl/cxl-device-utils.c b/hw/cxl/cxl-device-utils.c index 4c5e88a..86e1cea 100644 --- a/hw/cxl/cxl-device-utils.c +++ b/hw/cxl/cxl-device-utils.c @@ -269,3 +269,18 @@ void cxl_device_register_init_common(CXLDeviceState *cxl_dstate) cxl_initialize_mailbox(cxl_dstate); } + +uint64_t cxl_device_get_timestamp(CXLDeviceState *cxl_dstate) +{ + uint64_t time, delta; + uint64_t final_time = 0; + + if (cxl_dstate->timestamp.set) { + /* Find the delta from the last time the host set the time. */ + time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + delta = time - cxl_dstate->timestamp.last_set; + final_time = cxl_dstate->timestamp.host_set + delta; + } + + return final_time; +} diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 7b2aef0..702e16c 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -163,17 +163,8 @@ static CXLRetCode cmd_timestamp_get(struct cxl_cmd *cmd, CXLDeviceState *cxl_dstate, uint16_t *len) { - uint64_t time, delta; - uint64_t final_time = 0; - - if (cxl_dstate->timestamp.set) { - /* First find the delta from the last time the host set the time. */ - time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - delta = time - cxl_dstate->timestamp.last_set; - final_time = cxl_dstate->timestamp.host_set + delta; - } + uint64_t final_time = cxl_device_get_timestamp(cxl_dstate); - /* Then adjust the actual time */ stq_le_p(cmd->payload, final_time); *len = 8; |