diff options
Diffstat (limited to 'drivers/cxl/cxlmem.h')
| -rw-r--r-- | drivers/cxl/cxlmem.h | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 7df0b053373a..88e3a8e54b6a 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -50,6 +50,24 @@ static inline struct cxl_memdev *to_cxl_memdev(struct device *dev) return container_of(dev, struct cxl_memdev, dev); } +static inline struct cxl_port *cxled_to_port(struct cxl_endpoint_decoder *cxled) +{ + return to_cxl_port(cxled->cxld.dev.parent); +} + +static inline struct cxl_port *cxlrd_to_port(struct cxl_root_decoder *cxlrd) +{ + return to_cxl_port(cxlrd->cxlsd.cxld.dev.parent); +} + +static inline struct cxl_memdev * +cxled_to_memdev(struct cxl_endpoint_decoder *cxled) +{ + struct cxl_port *port = to_cxl_port(cxled->cxld.dev.parent); + + return to_cxl_memdev(port->uport); +} + bool is_cxl_memdev(struct device *dev); static inline bool is_cxl_endpoint(struct cxl_port *port) { @@ -178,8 +196,9 @@ struct cxl_endpoint_dvsec_info { * @firmware_version: Firmware version for the memory device. * @enabled_cmds: Hardware commands found enabled in CEL. * @exclusive_cmds: Commands that are kernel-internal only - * @pmem_range: Active Persistent memory capacity configuration - * @ram_range: Active Volatile memory capacity configuration + * @dpa_res: Overall DPA resource tree for the device + * @pmem_res: Active Persistent memory capacity configuration + * @ram_res: Active Volatile memory capacity configuration * @total_bytes: sum of all possible capacities * @volatile_only_bytes: hard volatile capacity * @persistent_only_bytes: hard persistent capacity @@ -191,6 +210,7 @@ struct cxl_endpoint_dvsec_info { * @component_reg_phys: register base of component registers * @info: Cached DVSEC information about the device. * @serial: PCIe Device Serial Number + * @doe_mbs: PCI DOE mailbox array * @mbox_send: @dev specific transport for transmitting mailbox commands * * See section 8.2.9.5.2 Capacity Configuration and Label Storage for @@ -209,8 +229,9 @@ struct cxl_dev_state { DECLARE_BITMAP(enabled_cmds, CXL_MEM_COMMAND_ID_MAX); DECLARE_BITMAP(exclusive_cmds, CXL_MEM_COMMAND_ID_MAX); - struct range pmem_range; - struct range ram_range; + struct resource dpa_res; + struct resource pmem_res; + struct resource ram_res; u64 total_bytes; u64 volatile_only_bytes; u64 persistent_only_bytes; @@ -224,6 +245,8 @@ struct cxl_dev_state { resource_size_t component_reg_phys; u64 serial; + struct xarray doe_mbs; + int (*mbox_send)(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd); }; @@ -299,6 +322,13 @@ struct cxl_mbox_identify { u8 qos_telemetry_caps; } __packed; +struct cxl_mbox_get_partition_info { + __le64 active_volatile_cap; + __le64 active_persistent_cap; + __le64 next_volatile_cap; + __le64 next_persistent_cap; +} __packed; + struct cxl_mbox_get_lsa { __le32 offset; __le32 length; @@ -370,4 +400,8 @@ struct cxl_hdm { unsigned int interleave_mask; struct cxl_port *port; }; + +struct seq_file; +struct dentry *cxl_debugfs_create_dir(const char *dir); +void cxl_dpa_debug(struct seq_file *file, struct cxl_dev_state *cxlds); #endif /* __CXL_MEM_H__ */ |