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hw/cxl/mbox: Add Get Background Operation Status Command 

For now, provide this command on type 3 main mailbox only.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20231023160806.13206-15-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:
Jonathan Cameron 2023-10-23 17:08:03 +01:00 committed by Michael S. Tsirkin
parent 25a52959f9
commit 9dd15ab6e6
1 changed files with 33 additions and 0 deletions
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33
hw/cxl/cxl-mailbox-utils.c
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@ -50,6 +50,7 @@
enum {
INFOSTAT = 0x00,
#define IS_IDENTIFY 0x1
#define BACKGROUND_OPERATION_STATUS 0x2
EVENTS = 0x01,
#define GET_RECORDS 0x0
#define CLEAR_RECORDS 0x1
@ -452,6 +453,36 @@ static CXLRetCode cmd_get_physical_port_state(const struct cxl_cmd *cmd,
return CXL_MBOX_SUCCESS;
}
/* CXL r3.0 8.2.9.1.2 */
static CXLRetCode cmd_infostat_bg_op_sts(const struct cxl_cmd *cmd,
uint8_t *payload_in,
size_t len_in,
uint8_t *payload_out,
size_t *len_out,
CXLCCI *cci)
{
struct {
uint8_t status;
uint8_t rsvd;
uint16_t opcode;
uint16_t returncode;
uint16_t vendor_ext_status;
} QEMU_PACKED *bg_op_status;
QEMU_BUILD_BUG_ON(sizeof(*bg_op_status) != 8);
bg_op_status = (void *)payload_out;
memset(bg_op_status, 0, sizeof(*bg_op_status));
bg_op_status->status = cci->bg.complete_pct << 1;
if (cci->bg.runtime > 0) {
bg_op_status->status |= 1U << 0;
}
bg_op_status->opcode = cci->bg.opcode;
bg_op_status->returncode = cci->bg.ret_code;
*len_out = sizeof(*bg_op_status);
return CXL_MBOX_SUCCESS;
}
/* 8.2.9.2.1 */
static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
uint8_t *payload_in,
@ -1111,6 +1142,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = {
static const struct cxl_cmd cxl_cmd_set_sw[256][256] = {
[INFOSTAT][IS_IDENTIFY] = { "IDENTIFY", cmd_infostat_identify, 0, 0 },
[INFOSTAT][BACKGROUND_OPERATION_STATUS] = { "BACKGROUND_OPERATION_STATUS",
cmd_infostat_bg_op_sts, 0, 0 },
[TIMESTAMP][GET] = { "TIMESTAMP_GET", cmd_timestamp_get, 0, 0 },
[TIMESTAMP][SET] = { "TIMESTAMP_SET", cmd_timestamp_set, 0,
IMMEDIATE_POLICY_CHANGE },