diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2023-10-23 17:08:00 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-11-07 03:39:11 -0500 |
| commit | 221d2cfbdb5301f8f0cfbf26baf76544a5d71c27 (patch) | |
| tree | 6c2b63f3d477503f6a0e4f0873ba1a31e9577348 /include | |
| parent | 892e3479d7283a38b50e06f42624f5a1ce61d24a (diff) | |
hw/cxl/mbox: Add support for background operations
Support background commands in the mailbox, and update
cmd_infostat_bg_op_sts() accordingly. This patch does not implement mbox
interrupts upon completion, so the kernel driver must rely on polling to
know when the operation is done.
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20231023160806.13206-12-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/cxl/cxl_device.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index fa73ed03e5..124ff969ec 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -149,6 +149,16 @@ typedef struct CXLCCI { } cel_log[1 << 16]; size_t cel_size; + /* background command handling (times in ms) */ + struct { + uint16_t opcode; + uint16_t complete_pct; + uint16_t ret_code; /* Current value of retcode */ + uint64_t starttime; + /* set by each bg cmd, cleared by the bg_timer when complete */ + uint64_t runtime; + QEMUTimer *timer; + } bg; size_t payload_max; /* Pointer to device hosting the CCI */ DeviceState *d; |