diff options
Diffstat (limited to 'hw/cxl')
| -rw-r--r-- | hw/cxl/cxl-component-utils.c | 18 | ||||
| -rw-r--r-- | hw/cxl/cxl-mailbox-utils.c | 46 |
2 files changed, 64 insertions, 0 deletions
diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c index 9457a1b..afc97b1 100644 --- a/hw/cxl/cxl-component-utils.c +++ b/hw/cxl/cxl-component-utils.c @@ -252,6 +252,24 @@ void cxl_component_create_dvsec(CXLComponentState *cxl, /* Configure write masks */ switch (type) { case PCIE_CXL_DEVICE_DVSEC: + /* Cntrl RW Lock - so needs explicit blocking when lock is set */ + wmask[offset + offsetof(CXLDVSECDevice, ctrl)] = 0xFD; + wmask[offset + offsetof(CXLDVSECDevice, ctrl) + 1] = 0x4F; + /* Status is RW1CS */ + wmask[offset + offsetof(CXLDVSECDevice, ctrl2)] = 0x0F; + /* Lock is RW Once */ + wmask[offset + offsetof(CXLDVSECDevice, lock)] = 0x01; + /* range1/2_base_high/low is RW Lock */ + wmask[offset + offsetof(CXLDVSECDevice, range1_base_hi)] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range1_base_hi) + 1] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range1_base_hi) + 2] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range1_base_hi) + 3] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range1_base_lo) + 3] = 0xF0; + wmask[offset + offsetof(CXLDVSECDevice, range2_base_hi)] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range2_base_hi) + 1] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range2_base_hi) + 2] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range2_base_hi) + 3] = 0xFF; + wmask[offset + offsetof(CXLDVSECDevice, range2_base_lo) + 3] = 0xF0; break; case NON_CXL_FUNCTION_MAP_DVSEC: break; /* Not yet implemented */ diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index db47313..4ae0561 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -50,6 +50,8 @@ enum { LOGS = 0x04, #define GET_SUPPORTED 0x0 #define GET_LOG 0x1 + IDENTIFY = 0x40, + #define MEMORY_DEVICE 0x0 }; /* 8.2.8.4.5.1 Command Return Codes */ @@ -214,6 +216,48 @@ static ret_code cmd_logs_get_log(struct cxl_cmd *cmd, return CXL_MBOX_SUCCESS; } +/* 8.2.9.5.1.1 */ +static ret_code cmd_identify_memory_device(struct cxl_cmd *cmd, + CXLDeviceState *cxl_dstate, + uint16_t *len) +{ + struct { + char fw_revision[0x10]; + uint64_t total_capacity; + uint64_t volatile_capacity; + uint64_t persistent_capacity; + uint64_t partition_align; + uint16_t info_event_log_size; + uint16_t warning_event_log_size; + uint16_t failure_event_log_size; + uint16_t fatal_event_log_size; + uint32_t lsa_size; + uint8_t poison_list_max_mer[3]; + uint16_t inject_poison_limit; + uint8_t poison_caps; + uint8_t qos_telemetry_caps; + } QEMU_PACKED *id; + QEMU_BUILD_BUG_ON(sizeof(*id) != 0x43); + + uint64_t size = cxl_dstate->pmem_size; + + if (!QEMU_IS_ALIGNED(size, 256 << 20)) { + return CXL_MBOX_INTERNAL_ERROR; + } + + id = (void *)cmd->payload; + memset(id, 0, sizeof(*id)); + + /* PMEM only */ + snprintf(id->fw_revision, 0x10, "BWFW VERSION %02d", 0); + + id->total_capacity = size / (256 << 20); + id->persistent_capacity = size / (256 << 20); + + *len = sizeof(*id); + return CXL_MBOX_SUCCESS; +} + #define IMMEDIATE_CONFIG_CHANGE (1 << 1) #define IMMEDIATE_POLICY_CHANGE (1 << 3) #define IMMEDIATE_LOG_CHANGE (1 << 4) @@ -231,6 +275,8 @@ static struct cxl_cmd cxl_cmd_set[256][256] = { [TIMESTAMP][SET] = { "TIMESTAMP_SET", cmd_timestamp_set, 8, IMMEDIATE_POLICY_CHANGE }, [LOGS][GET_SUPPORTED] = { "LOGS_GET_SUPPORTED", cmd_logs_get_supported, 0, 0 }, [LOGS][GET_LOG] = { "LOGS_GET_LOG", cmd_logs_get_log, 0x18, 0 }, + [IDENTIFY][MEMORY_DEVICE] = { "IDENTIFY_MEMORY_DEVICE", + cmd_identify_memory_device, 0, 0 }, }; void cxl_process_mailbox(CXLDeviceState *cxl_dstate) |