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hw/cxl/events: Add event interrupt support

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Replace the stubbed out CXL Get/Set Event interrupt policy mailbox
commands.  Enable those commands to control interrupts for each of the
event log types.

Skip the standard input mailbox length on the Set command due to DCD
being optional.  Perform the checks separately.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230530133603.16934-5-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Ira Weiny 2023-05-30 14:36:00 +01:00 • committed by Michael S. Tsirkin
parent 22d7e3be07
commit 6676bb973b
5 changed files with 147 additions and 25 deletions
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6
include/hw/cxl/cxl_device.h
View file

@ -121,6 +121,8 @@ typedef struct CXLEventLog {
uint16_t overflow_err_count;
uint64_t first_overflow_timestamp;
uint64_t last_overflow_timestamp;
bool irq_enabled;
int irq_vec;
QemuMutex lock;
QSIMPLEQ_HEAD(, CXLEvent) events;
} CXLEventLog;
@ -369,7 +371,7 @@ MemTxResult cxl_type3_write(PCIDevice *d, hwaddr host_addr, uint64_t data,
uint64_t cxl_device_get_timestamp(CXLDeviceState *cxlds);
void cxl_event_init(CXLDeviceState *cxlds);
void cxl_event_init(CXLDeviceState *cxlds, int start_msg_num);
bool cxl_event_insert(CXLDeviceState *cxlds, CXLEventLogType log_type,
CXLEventRecordRaw *event);
CXLRetCode cxl_event_get_records(CXLDeviceState *cxlds, CXLGetEventPayload *pl,
@ -378,6 +380,8 @@ CXLRetCode cxl_event_get_records(CXLDeviceState *cxlds, CXLGetEventPayload *pl,
CXLRetCode cxl_event_clear_records(CXLDeviceState *cxlds,
CXLClearEventPayload *pl);
void cxl_event_irq_assert(CXLType3Dev *ct3d);
void cxl_set_poison_list_overflowed(CXLType3Dev *ct3d);
#endif