blob: 901e1e628f890cdd541ed31c83bcaa074ca12a47 [file]
/* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
#ifndef _PDS_CORE_IF_H_
#define _PDS_CORE_IF_H_
#define PCI_VENDOR_ID_PENSANDO 0x1dd8
#define PCI_DEVICE_ID_PENSANDO_CORE_PF 0x100c
#define PCI_DEVICE_ID_VIRTIO_NET_TRANS 0x1000
#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF 0x1003
#define PCI_DEVICE_ID_PENSANDO_VDPA_VF 0x100b
#define PDS_CORE_BARS_MAX 4
#define PDS_CORE_PCI_BAR_DBELL 1
/* Bar0 */
#define PDS_CORE_DEV_INFO_SIGNATURE 0x44455649 /* 'DEVI' */
#define PDS_CORE_BAR0_SIZE 0x8000
#define PDS_CORE_BAR0_DEV_INFO_REGS_OFFSET 0x0000
#define PDS_CORE_BAR0_DEV_CMD_REGS_OFFSET 0x0800
#define PDS_CORE_BAR0_DEV_CMD_DATA_REGS_OFFSET 0x0c00
#define PDS_CORE_BAR0_INTR_STATUS_OFFSET 0x1000
#define PDS_CORE_BAR0_INTR_CTRL_OFFSET 0x2000
#define PDS_CORE_DEV_CMD_DONE 0x00000001
#define PDS_CORE_DEVCMD_TIMEOUT 5
#define PDS_CORE_CLIENT_ID 0
#define PDS_CORE_ASIC_TYPE_CAPRI 0
/*
* enum pds_core_cmd_opcode - Device commands
*/
enum pds_core_cmd_opcode {
/* Core init */
PDS_CORE_CMD_NOP = 0,
PDS_CORE_CMD_IDENTIFY = 1,
PDS_CORE_CMD_RESET = 2,
PDS_CORE_CMD_INIT = 3,
PDS_CORE_CMD_FW_DOWNLOAD = 4,
PDS_CORE_CMD_FW_CONTROL = 5,
PDS_CORE_CMD_GET_COMPONENT_INFO = 6,
PDS_CORE_CMD_SEND_PKG_DATA = 7,
PDS_CORE_CMD_SEND_COMPONENT_TBL = 8,
PDS_CORE_CMD_SEND_COMPONENT = 9,
PDS_CORE_CMD_FINALIZE_UPDATE = 10,
PDS_CORE_CMD_MATCH_RECORD_DESC = 11,
PDS_CORE_CMD_HOST_MEM = 12,
/* SR/IOV commands */
PDS_CORE_CMD_VF_GETATTR = 60,
PDS_CORE_CMD_VF_SETATTR = 61,
PDS_CORE_CMD_VF_CTRL = 62,
/* Add commands before this line */
PDS_CORE_CMD_MAX,
PDS_CORE_CMD_COUNT
};
/*
* enum pds_core_status_code - Device command return codes
*/
enum pds_core_status_code {
PDS_RC_SUCCESS = 0, /* Success */
PDS_RC_EVERSION = 1, /* Incorrect version for request */
PDS_RC_EOPCODE = 2, /* Invalid cmd opcode */
PDS_RC_EIO = 3, /* I/O error */
PDS_RC_EPERM = 4, /* Permission denied */
PDS_RC_EQID = 5, /* Bad qid */
PDS_RC_EQTYPE = 6, /* Bad qtype */
PDS_RC_ENOENT = 7, /* No such element */
PDS_RC_EINTR = 8, /* operation interrupted */
PDS_RC_EAGAIN = 9, /* Try again */
PDS_RC_ENOMEM = 10, /* Out of memory */
PDS_RC_EFAULT = 11, /* Bad address */
PDS_RC_EBUSY = 12, /* Device or resource busy */
PDS_RC_EEXIST = 13, /* object already exists */
PDS_RC_EINVAL = 14, /* Invalid argument */
PDS_RC_ENOSPC = 15, /* No space left or alloc failure */
PDS_RC_ERANGE = 16, /* Parameter out of range */
PDS_RC_BAD_ADDR = 17, /* Descriptor contains a bad ptr */
PDS_RC_DEV_CMD = 18, /* Device cmd attempted on AdminQ */
PDS_RC_ENOSUPP = 19, /* Operation not supported */
PDS_RC_ERROR = 29, /* Generic error */
PDS_RC_ERDMA = 30, /* Generic RDMA error */
PDS_RC_EVFID = 31, /* VF ID does not exist */
PDS_RC_BAD_FW = 32, /* FW file is invalid or corrupted */
PDS_RC_ECLIENT = 33, /* No such client id */
PDS_RC_BAD_PCI = 255, /* Broken PCI when reading status */
};
/**
* struct pds_core_drv_identity - Driver identity information
* @drv_type: Driver type (enum pds_core_driver_type)
* @os_dist: OS distribution, numeric format
* @os_dist_str: OS distribution, string format
* @kernel_ver: Kernel version, numeric format
* @kernel_ver_str: Kernel version, string format
* @driver_ver_str: Driver version, string format
*/
struct pds_core_drv_identity {
__le32 drv_type;
__le32 os_dist;
char os_dist_str[128];
__le32 kernel_ver;
char kernel_ver_str[32];
char driver_ver_str[32];
};
/**
* enum pds_core_dev_capability - Device capabilities
* @PDS_CORE_DEV_CAP_PLDM_FW_UPDATE: Device only supports FW update via PLDM
* @PDS_CORE_DEV_CAP_HOST_MEM: Device supports host memory for fw use
*/
enum pds_core_dev_capability {
PDS_CORE_DEV_CAP_PLDM_FW_UPDATE = BIT(0),
PDS_CORE_DEV_CAP_HOST_MEM = BIT(1),
};
#define PDS_DEV_TYPE_MAX 16
/**
* struct pds_core_dev_identity - Device identity information
* @version: Version of device identify
* @type: Identify type (0 for now)
* @state: Device state
* @rsvd: Word boundary padding
* @nlifs: Number of LIFs provisioned
* @nintrs: Number of interrupts provisioned
* @ndbpgs_per_lif: Number of doorbell pages per LIF
* @intr_coal_mult: Interrupt coalescing multiplication factor
* Scale user-supplied interrupt coalescing
* value in usecs to device units using:
* device units = usecs * mult / div
* @intr_coal_div: Interrupt coalescing division factor
* Scale user-supplied interrupt coalescing
* value in usecs to device units using:
* device units = usecs * mult / div
* @vif_types: How many of each VIF device type is supported
* @max_fw_slots: Number of firmware components reported by device
* only supported on version >= PDS_CORE_IDENTITY_VERSION_2
* @rsvd2: Word boundary padding
* @capabilities: Device capabilities
* only supported on version >= PDS_CORE_IDENTITY_VERSION_2
*/
struct pds_core_dev_identity {
u8 version;
u8 type;
u8 state;
u8 rsvd;
__le32 nlifs;
__le32 nintrs;
__le32 ndbpgs_per_lif;
__le32 intr_coal_mult;
__le32 intr_coal_div;
__le16 vif_types[PDS_DEV_TYPE_MAX];
__le16 max_fw_slots;
u8 rsvd2[6];
__le64 capabilities;
};
#define PDS_CORE_IDENTITY_VERSION_1 1
#define PDS_CORE_IDENTITY_VERSION_2 2
/**
* struct pds_core_dev_identify_cmd - Driver/device identify command
* @opcode: Opcode PDS_CORE_CMD_IDENTIFY
* @ver: Highest version of identify supported by driver
*
* Expects to find driver identification info (struct pds_core_drv_identity)
* in cmd_regs->data. Driver should keep the devcmd interface locked
* while preparing the driver info.
*/
struct pds_core_dev_identify_cmd {
u8 opcode;
u8 ver;
};
/**
* struct pds_core_dev_identify_comp - Device identify command completion
* @status: Status of the command (enum pds_core_status_code)
* @ver: Version of identify returned by device
*
* Device identification info (struct pds_core_dev_identity) can be found
* in cmd_regs->data. Driver should keep the devcmd interface locked
* while reading the results.
*/
struct pds_core_dev_identify_comp {
u8 status;
u8 ver;
};
/**
* struct pds_core_dev_reset_cmd - Device reset command
* @opcode: Opcode PDS_CORE_CMD_RESET
*
* Resets and clears all LIFs, VDevs, and VIFs on the device.
*/
struct pds_core_dev_reset_cmd {
u8 opcode;
};
/**
* struct pds_core_dev_reset_comp - Reset command completion
* @status: Status of the command (enum pds_core_status_code)
*/
struct pds_core_dev_reset_comp {
u8 status;
};
/*
* struct pds_core_dev_init_data - Pointers and info needed for the Core
* initialization PDS_CORE_CMD_INIT command. The in and out structs are
* overlays on the pds_core_dev_cmd_regs.data space for passing data down
* to the firmware on init, and then returning initialization results.
*/
struct pds_core_dev_init_data_in {
__le64 adminq_q_base;
__le64 adminq_cq_base;
__le64 notifyq_cq_base;
__le32 flags;
__le16 intr_index;
u8 adminq_ring_size;
u8 notifyq_ring_size;
};
struct pds_core_dev_init_data_out {
__le32 core_hw_index;
__le32 adminq_hw_index;
__le32 notifyq_hw_index;
u8 adminq_hw_type;
u8 notifyq_hw_type;
};
/**
* struct pds_core_dev_init_cmd - Core device initialize
* @opcode: opcode PDS_CORE_CMD_INIT
*
* Initializes the core device and sets up the AdminQ and NotifyQ.
* Expects to find initialization data (struct pds_core_dev_init_data_in)
* in cmd_regs->data. Driver should keep the devcmd interface locked
* while preparing the driver info.
*/
struct pds_core_dev_init_cmd {
u8 opcode;
};
/**
* struct pds_core_dev_init_comp - Core init completion
* @status: Status of the command (enum pds_core_status_code)
*
* Initialization result data (struct pds_core_dev_init_data_in)
* is found in cmd_regs->data.
*/
struct pds_core_dev_init_comp {
u8 status;
};
/**
* struct pds_core_fw_download_cmd - Firmware download command
* @opcode: opcode
* @rsvd: Word boundary padding
* @addr: DMA address of the firmware buffer
* @offset: offset of the firmware buffer within the full image
* @length: number of valid bytes in the firmware buffer
*/
struct pds_core_fw_download_cmd {
u8 opcode;
u8 rsvd[3];
__le32 offset;
__le64 addr;
__le32 length;
};
/**
* struct pds_core_fw_download_comp - Firmware download completion
* @status: Status of the command (enum pds_core_status_code)
*/
struct pds_core_fw_download_comp {
u8 status;
};
/**
* enum pds_core_fw_control_oper - FW control operations
* @PDS_CORE_FW_INSTALL_ASYNC: Install firmware asynchronously
* @PDS_CORE_FW_INSTALL_STATUS: Firmware installation status
* @PDS_CORE_FW_ACTIVATE_ASYNC: Activate firmware asynchronously
* @PDS_CORE_FW_ACTIVATE_STATUS: Firmware activate status
* @PDS_CORE_FW_UPDATE_CLEANUP: Cleanup any firmware update leftovers
* @PDS_CORE_FW_GET_BOOT: Return current active firmware slot
* @PDS_CORE_FW_SET_BOOT: Set active firmware slot for next boot
* @PDS_CORE_FW_GET_LIST: Return list of installed firmware images
*/
enum pds_core_fw_control_oper {
PDS_CORE_FW_INSTALL_ASYNC = 0,
PDS_CORE_FW_INSTALL_STATUS = 1,
PDS_CORE_FW_ACTIVATE_ASYNC = 2,
PDS_CORE_FW_ACTIVATE_STATUS = 3,
PDS_CORE_FW_UPDATE_CLEANUP = 4,
PDS_CORE_FW_GET_BOOT = 5,
PDS_CORE_FW_SET_BOOT = 6,
PDS_CORE_FW_GET_LIST = 7,
};
/**
* enum pds_core_fw_slot - Firmware slot identifiers
* @PDS_CORE_FW_SLOT_INVALID: Let firmware select slot based on package metadata
* @PDS_CORE_FW_SLOT_A: Primary firmware slot A
* @PDS_CORE_FW_SLOT_B: Primary firmware slot B
* @PDS_CORE_FW_SLOT_GOLD: Gold/recovery firmware slot
* @PDS_CORE_FW_SLOT_MAX: Sentinel value indicating no slot resolved
*/
enum pds_core_fw_slot {
PDS_CORE_FW_SLOT_INVALID = 0,
PDS_CORE_FW_SLOT_A = 1,
PDS_CORE_FW_SLOT_B = 2,
PDS_CORE_FW_SLOT_GOLD = 3,
PDS_CORE_FW_SLOT_MAX = 0xff,
};
/**
* struct pds_core_fw_control_cmd - Firmware control command
* @opcode: opcode
* @rsvd: Word boundary padding
* @oper: firmware control operation (enum pds_core_fw_control_oper)
* @slot: slot to operate on (enum pds_core_fw_slot)
*/
struct pds_core_fw_control_cmd {
u8 opcode;
u8 rsvd[3];
u8 oper;
u8 slot;
};
/**
* struct pds_core_fw_control_comp - Firmware control copletion
* @status: Status of the command (enum pds_core_status_code)
* @rsvd: Word alignment space
* @slot: Slot number (enum pds_core_fw_slot)
* @rsvd1: Struct padding
* @color: Color bit
*/
struct pds_core_fw_control_comp {
u8 status;
u8 rsvd[3];
u8 slot;
u8 rsvd1[10];
u8 color;
};
struct pds_core_fw_name_info {
#define PDS_CORE_FWSLOT_BUFLEN 8
#define PDS_CORE_FWVERS_BUFLEN 32
char slotname[PDS_CORE_FWSLOT_BUFLEN];
char fw_version[PDS_CORE_FWVERS_BUFLEN];
};
struct pds_core_fw_list_info {
#define PDS_CORE_FWVERS_LIST_LEN 16
u8 num_fw_slots;
struct pds_core_fw_name_info fw_names[PDS_CORE_FWVERS_LIST_LEN];
} __packed;
enum pds_core_vf_attr {
PDS_CORE_VF_ATTR_SPOOFCHK = 1,
PDS_CORE_VF_ATTR_TRUST = 2,
PDS_CORE_VF_ATTR_MAC = 3,
PDS_CORE_VF_ATTR_LINKSTATE = 4,
PDS_CORE_VF_ATTR_VLAN = 5,
PDS_CORE_VF_ATTR_RATE = 6,
PDS_CORE_VF_ATTR_STATSADDR = 7,
};
/**
* enum pds_core_vf_link_status - Virtual Function link status
* @PDS_CORE_VF_LINK_STATUS_AUTO: Use link state of the uplink
* @PDS_CORE_VF_LINK_STATUS_UP: Link always up
* @PDS_CORE_VF_LINK_STATUS_DOWN: Link always down
*/
enum pds_core_vf_link_status {
PDS_CORE_VF_LINK_STATUS_AUTO = 0,
PDS_CORE_VF_LINK_STATUS_UP = 1,
PDS_CORE_VF_LINK_STATUS_DOWN = 2,
};
/**
* struct pds_core_vf_setattr_cmd - Set VF attributes on the NIC
* @opcode: Opcode
* @attr: Attribute type (enum pds_core_vf_attr)
* @vf_index: VF index
* @macaddr: mac address
* @vlanid: vlan ID
* @maxrate: max Tx rate in Mbps
* @spoofchk: enable address spoof checking
* @trust: enable VF trust
* @linkstate: set link up or down
* @stats: stats addr struct
* @stats.pa: set DMA address for VF stats
* @stats.len: length of VF stats space
* @pad: force union to specific size
*/
struct pds_core_vf_setattr_cmd {
u8 opcode;
u8 attr;
__le16 vf_index;
union {
u8 macaddr[6];
__le16 vlanid;
__le32 maxrate;
u8 spoofchk;
u8 trust;
u8 linkstate;
struct {
__le64 pa;
__le32 len;
} stats;
u8 pad[60];
} __packed;
};
struct pds_core_vf_setattr_comp {
u8 status;
u8 attr;
__le16 vf_index;
__le16 comp_index;
u8 rsvd[9];
u8 color;
};
/**
* struct pds_core_vf_getattr_cmd - Get VF attributes from the NIC
* @opcode: Opcode
* @attr: Attribute type (enum pds_core_vf_attr)
* @vf_index: VF index
*/
struct pds_core_vf_getattr_cmd {
u8 opcode;
u8 attr;
__le16 vf_index;
};
struct pds_core_vf_getattr_comp {
u8 status;
u8 attr;
__le16 vf_index;
union {
u8 macaddr[6];
__le16 vlanid;
__le32 maxrate;
u8 spoofchk;
u8 trust;
u8 linkstate;
__le64 stats_pa;
u8 pad[11];
} __packed;
u8 color;
};
enum pds_core_vf_ctrl_opcode {
PDS_CORE_VF_CTRL_START_ALL = 0,
PDS_CORE_VF_CTRL_START = 1,
};
/**
* struct pds_core_vf_ctrl_cmd - VF control command
* @opcode: Opcode for the command
* @ctrl_opcode: VF control operation type
* @vf_index: VF Index. It is unused if op START_ALL is used.
*/
struct pds_core_vf_ctrl_cmd {
u8 opcode;
u8 ctrl_opcode;
__le16 vf_index;
};
/**
* struct pds_core_vf_ctrl_comp - VF_CTRL command completion.
* @status: Status of the command (enum pds_core_status_code)
*/
struct pds_core_vf_ctrl_comp {
u8 status;
};
/**
* struct pds_core_send_pkg_data_cmd - Send package data command
* @opcode: Opcode PDS_CORE_CMD_SEND_PKG_DATA
* @ver: Driver's max support version of this command
* @total_len: Total length of the package data
* @offset: Offset in the package data, non-zero if multiple commands are
* needed for sending the package data
* @data_len: Length of data stored at data_pa
* @data_pa: Data physical address for DMA to device
*
* The package data may be too large to store in a single buffer, so multiple
* PDS_CORE_CMD_SEND_PKG_DATA devcmds may be needed.
*/
struct pds_core_send_pkg_data_cmd {
u8 opcode;
u8 ver;
__le16 total_len;
__le16 offset;
__le16 data_len;
__le64 data_pa;
};
/**
* struct pds_core_send_pkg_data_comp - Send package data completion
* @status: Status of the command (enum pds_core_status_code)
* @ver: Device's max supported version of this command
* @rsvd: Word boundary padding
*/
struct pds_core_send_pkg_data_comp {
u8 status;
u8 ver;
u8 rsvd[2];
};
/**
* struct pds_core_component_tbl - Component table details
* @comparison_stamp: Comparison stamp used for component version checks
* @classification: Vendor specific classification info
* @identifier: Component's ID
* @transfer_flag: Part of the component table this request represents
* @version_str_type: The types of strings used
* @version_str_len: Length of @version_str
* @version_str: Component version information
*/
struct pds_core_component_tbl {
__le32 comparison_stamp;
__le16 classification;
__le16 identifier;
u8 transfer_flag;
u8 version_str_type;
u8 version_str_len;
u8 version_str[];
};
/**
* struct pds_core_send_component_tbl_cmd - Send component table command
* @opcode: Opcode PDS_CORE_CMD_SEND_COMPONENT_TBL
* @ver: Driver's max support version of this command
* @slot_id: enum pds_core_fw_slot
* @rsvd: Word boundary padding
*
* Expects to find component table info (struct pds_core_component_tbl)
* in cmd_regs->data. Driver should keep the devcmd interface locked
* while preparing the component table info.
*/
struct pds_core_send_component_tbl_cmd {
u8 opcode;
u8 ver;
u8 slot_id;
u8 rsvd;
};
enum pds_core_component_resp_code {
PDS_CORE_COMPONENT_VALID = 0x0,
PDS_CORE_COMPONENT_STAMP_IDENTICAL = 0x1,
PDS_CORE_COMPONENT_STAMP_LOWER = 0x2,
PDS_CORE_COMPONENT_STAMP_OR_VERSION_INVALID = 0x3,
PDS_CORE_COMPONENT_CONFLICT = 0x4,
PDS_CORE_COMPONENT_PREREQS_NOT_MET = 0x5,
PDS_CORE_COMPONENT_NOT_SUPPORTED = 0x6,
PDS_CORE_COMPONENT_FW_TYPE_INVALID = 0xd0,
};
/**
* struct pds_core_send_component_tbl_comp - Send component table completion
* @status: Status of the command (enum pds_core_status_code)
* @ver: Device's max supported version of this command
* @completion_code: Component completion code
* @response: Component response
* @response_code: Component response code
* @slot_id: Actual slot_id of the component (enum pds_core_fw_slot)
* @rsvd: Word boundary padding
*/
struct pds_core_send_component_tbl_comp {
u8 status;
u8 ver;
u8 completion_code;
u8 response;
u8 response_code;
u8 slot_id;
u8 rsvd[2];
};
/**
* enum pds_core_send_component_op - PDS_CORE_CMD_SEND_COMPONENT operation
* @PDS_CORE_SEND_COMPONENT_START: Initial operation to start transfer
* @PDS_CORE_SEND_COMPONENT_STATUS: Subsequent calls to check on status
*/
enum pds_core_send_component_op {
PDS_CORE_SEND_COMPONENT_START = 0,
PDS_CORE_SEND_COMPONENT_STATUS = 1,
};
#define PDS_CORE_FW_COMPONENT_ID_INVALID 0xFFFF
/**
* struct pds_core_flash_component - Component details
* @comparison_stamp: Comparison stamp used for component version checks
* @image_size: Component image size
* @classification: Vendor specific classification info
* @identifier: Component's ID
* @options: Component options
* @rsvd: Word boundary padding
* @version_str_type: The types of strings used
* @version_str_len: Length of @version_str
* @version_str: Component version information
*/
struct pds_core_flash_component {
__le32 comparison_stamp;
__le32 image_size;
__le16 classification;
__le16 identifier;
__le16 options;
u8 rsvd[3];
u8 version_str_type;
u8 version_str_len;
u8 version_str[];
};
/**
* struct pds_core_send_component_cmd - Send component command
* @opcode: Opcode PDS_CORE_CMD_SEND_COMPONENT
* @ver: Driver's max supported version of this command
* @slot_id: enum pds_core_fw_slot
* @operation: enum pds_core_send_component_op
* @offset: Offset into the component, non-zero if multiple commands
* are needed for a single component
* @data_len: Length of this part of the component stored at @data_pa
* @rsvd: Word boundary padding
* @data_pa: DMA address of the component
*
* A component may be too large to store in a single buffer, so multiple
* PDS_CORE_CMD_SEND_COMPONENT devcmds may be needed.
*
* Expects to find flash component info (struct pds_core_flash_component)
* in cmd_regs->data. Driver should keep the devcmd interface locked
* while preparing and sending the flash component info.
*/
struct pds_core_send_component_cmd {
u8 opcode;
u8 ver;
u8 slot_id;
u8 operation;
__le32 offset;
__le32 data_len;
u8 rsvd[4];
__le64 data_pa;
};
/**
* struct pds_core_send_component_comp - Send component completion
* @status: Status of the command (enum pds_core_status_code)
* @ver: Device's max supported version of this command
* @completion_code: Completion code
* @compat_response: Compatibility response (0 = Component can be updated)
* @compat_response_code: Compatibility response code
* @rsvd: Word boundary padding
*/
struct pds_core_send_component_comp {
u8 status;
u8 ver;
u8 completion_code;
u8 compat_response;
u8 compat_response_code;
u8 rsvd[3];
};
/**
* enum pds_core_fw_component_type - Firmware component type
* @PDS_CORE_FW_TYPE_UNKNOWN: Unknown component type
* @PDS_CORE_FW_TYPE_MAIN: Main firmware
* @PDS_CORE_FW_TYPE_BOOT: Boot loader
* @PDS_CORE_FW_TYPE_CPLD: CPLD firmware
* @PDS_CORE_FW_TYPE_SECURE: Secure firmware
* @PDS_CORE_FW_TYPE_FPGA: FPGA configuration
* @PDS_CORE_FW_TYPE_SUC_MAIN: System Unit Controller firmware
* @PDS_CORE_FW_TYPE_SUC_BOOT: System Unit Controller bootloader
* @PDS_CORE_FW_TYPE_UBOOT: U-Boot bootloader
*
* Gold/recovery variants are identified by slot_id == PDS_CORE_FW_SLOT_GOLD
* and reported with a ".gold" suffix (e.g., fw.gold).
*/
enum pds_core_fw_component_type {
PDS_CORE_FW_TYPE_UNKNOWN = 0,
PDS_CORE_FW_TYPE_MAIN = 1,
PDS_CORE_FW_TYPE_BOOT = 2,
PDS_CORE_FW_TYPE_CPLD = 3,
PDS_CORE_FW_TYPE_SECURE = 4,
PDS_CORE_FW_TYPE_FPGA = 5,
PDS_CORE_FW_TYPE_SUC_MAIN = 6,
PDS_CORE_FW_TYPE_SUC_BOOT = 7,
PDS_CORE_FW_TYPE_UBOOT = 8,
};
/**
* enum pds_core_component_info_flags - Component info flags
* @PDS_CORE_FW_COMPONENT_INFO_F_RUNNING: Component is currently running
* @PDS_CORE_FW_COMPONENT_INFO_F_STARTUP: Component version on next FW boot
* @PDS_CORE_FW_COMPONENT_INFO_F_FIXED: Component is fixed and cannot be updated
* @PDS_CORE_FW_COMPONENT_INFO_F_UPDATE_BY_NAME: Component can be updated
* by name
*/
enum pds_core_component_info_flags {
PDS_CORE_FW_COMPONENT_INFO_F_RUNNING = BIT(0),
PDS_CORE_FW_COMPONENT_INFO_F_STARTUP = BIT(1),
PDS_CORE_FW_COMPONENT_INFO_F_FIXED = BIT(2),
PDS_CORE_FW_COMPONENT_INFO_F_UPDATE_BY_NAME = BIT(3),
};
/**
* struct pds_core_fw_component_info - GET_COMPONENT_INFO entry
* @name: Component's name
* @component_type: enum pds_core_fw_component_type
* @rsvd: Word boundary padding
* @flags: enum pds_core_component_info_flags
* @identifier: Component's identifier
* @slot_id: Component's slot identifier
* @version: Component's version
*/
struct pds_core_fw_component_info {
#define PDS_CORE_FW_COMPONENT_NAME_BUFLEN 24
char name[PDS_CORE_FW_COMPONENT_NAME_BUFLEN];
u8 component_type;
u8 rsvd[3];
__le16 flags;
u8 identifier;
u8 slot_id;
#define PDS_CORE_FW_COMPONENT_VER_BUFLEN 32
char version[PDS_CORE_FW_COMPONENT_VER_BUFLEN];
};
#define PDS_CORE_FW_COMPONENT_LIST_LEN ((PDS_PAGE_SIZE - 8) / \
sizeof(struct pds_core_fw_component_info))
/**
* struct pds_core_component_list_info - GET_COMPONENT_INFO completion data
* @num_components: Number of valid components
* @rsvd: Word boundary padding
* @info: List of valid components
*/
struct pds_core_component_list_info {
u8 num_components;
u8 rsvd[7];
struct pds_core_fw_component_info info[PDS_CORE_FW_COMPONENT_LIST_LEN];
};
/**
* struct pds_core_get_component_info_cmd - GET_COMPONENT_INFO command
* @opcode: PDS_CORE_CMD_GET_COMPONENT_INFO
* @ver: Driver's max supported version of this command
* @data_len: Length of data at data_pa
* @rsvd: Word boundary padding
* @data_pa: DMA address of data
*
* FW populates struct pds_core_component_list_info pointed to by @data_pa
*/
struct pds_core_get_component_info_cmd {
u8 opcode;
u8 ver;
__le16 data_len;
u8 rsvd[4];
__le64 data_pa;
};
/**
* struct pds_core_get_component_info_comp - GET_COMPONENT_INFO completion
* @status: enum pds_core_status_code
* @ver: Device's max supported version of this command
* @rsvd: Word boundary padding
*/
struct pds_core_get_component_info_comp {
u8 status;
u8 ver;
u8 rsvd[2];
};
/**
* struct pds_core_finalize_update_cmd - FINALIZE_UPDATE command
* @opcode: PDS_CORE_CMD_FINALIZE_UPDATE
* @ver: Driver's max support version of this command
* @rsvd: Word boundary padding
*
* Driver sends at the end of updating all components to finalize the update
*/
struct pds_core_finalize_update_cmd {
u8 opcode;
u8 ver;
u8 rsvd[2];
};
/**
* struct pds_core_finalize_update_comp - FINALIZE_UPDATE completion
* @status: enum pds_core_status_code
* @ver: Device's max supported version of this command
* @rsvd: Word boundary padding
*/
struct pds_core_finalize_update_comp {
u8 status;
u8 ver;
u8 rsvd[2];
};
/**
* struct pds_core_match_record_desc_cmd - MATCH_RECORD_DESC command
* @opcode: PDS_CORE_CMD_MATCH_RECORD_DESC
* @ver: Driver's max supported version of this command
* @type: PLDM Descriptor Identifier Type
* @size: Length of the Descriptor Identifier Value
* @rsvd: Word boundary padding
*
* Expects to find the Descriptor Identifier Data in cmd_regs->data. Driver
* should keep the devcmd interface locked while preparing and sending this
* command.
*/
struct pds_core_match_record_desc_cmd {
u8 opcode;
u8 ver;
__le16 type;
__le16 size;
u8 rsvd[2];
};
/**
* struct pds_core_match_record_desc_comp - MATCH_RECORD_DESC completion
* @status: enum pds_core_status_code
* @ver: Device's max supported version of this command
* @match: Whether or not the Record Descriptor matches the device
* @rsvd: Word boundary padding
*
* When status is PDS_RC_SUCCESS, then @match is valid, otherwise it's
* undefined.
*/
struct pds_core_match_record_desc_comp {
u8 status;
u8 ver;
u8 match;
u8 rsvd;
};
/**
* enum pds_core_host_mem_oper - HOST_MEM sub-operations
* @PDS_CORE_HOST_MEM_GET_COUNT: Query number of memory requests
* @PDS_CORE_HOST_MEM_QUERY: Query details of a memory request
* @PDS_CORE_HOST_MEM_ADD: Provide allocated memory to firmware
* @PDS_CORE_HOST_MEM_DEL: Notify firmware of memory deallocation
*/
enum pds_core_host_mem_oper {
PDS_CORE_HOST_MEM_GET_COUNT = 0,
PDS_CORE_HOST_MEM_QUERY = 1,
PDS_CORE_HOST_MEM_ADD = 2,
PDS_CORE_HOST_MEM_DEL = 3,
};
/**
* struct pds_core_host_mem_cmd - HOST_MEM command
* @opcode: Opcode PDS_CORE_CMD_HOST_MEM
* @oper: Operation (enum pds_core_host_mem_oper)
* @index: Memory request index (GET_COUNT: max_count, QUERY: index)
* @tag: Tag for this memory request (ADD/DEL)
* @reason: Reason for deletion (DEL only)
* @rsvd: Reserved
* @max_contig: Maximum contiguous memory size (GET_COUNT only)
* @size: Size of memory in bytes (ADD only)
* @buf_pa: DMA address of memory (ADD only)
*
* Unified command for all host memory operations. Fields are reused
* across operations to minimize opcode space usage.
*/
struct pds_core_host_mem_cmd {
u8 opcode;
u8 oper;
__le16 index;
__le16 tag;
u8 reason;
u8 rsvd;
__le32 max_contig;
__le32 size;
__le64 buf_pa;
};
/**
* struct pds_core_host_mem_comp - HOST_MEM completion
* @status: Status of the command (enum pds_core_status_code)
* @oper: Operation that was performed
* @count: Number of memory requests (GET_COUNT)
* @size: Size of memory request in bytes (QUERY)
* @tag: Tag for this memory request (QUERY/DEL)
* @rsvd: Reserved
*/
struct pds_core_host_mem_comp {
u8 status;
u8 oper;
__le16 count;
__le32 size;
__le16 tag;
u8 rsvd[6];
};
/*
* union pds_core_dev_cmd - Overlay of core device command structures
*/
union pds_core_dev_cmd {
u8 opcode;
u32 words[16];
struct pds_core_dev_identify_cmd identify;
struct pds_core_dev_init_cmd init;
struct pds_core_dev_reset_cmd reset;
struct pds_core_fw_download_cmd fw_download;
struct pds_core_fw_control_cmd fw_control;
struct pds_core_vf_setattr_cmd vf_setattr;
struct pds_core_vf_getattr_cmd vf_getattr;
struct pds_core_vf_ctrl_cmd vf_ctrl;
struct pds_core_get_component_info_cmd get_component_info;
struct pds_core_send_pkg_data_cmd send_pkg_data;
struct pds_core_send_component_tbl_cmd send_component_tbl;
struct pds_core_send_component_cmd send_component;
struct pds_core_finalize_update_cmd finalize_update;
struct pds_core_match_record_desc_cmd match_record_desc;
struct pds_core_host_mem_cmd host_mem;
};
/*
* union pds_core_dev_comp - Overlay of core device completion structures
*/
union pds_core_dev_comp {
u8 status;
u8 bytes[16];
struct pds_core_dev_identify_comp identify;
struct pds_core_dev_reset_comp reset;
struct pds_core_dev_init_comp init;
struct pds_core_fw_download_comp fw_download;
struct pds_core_fw_control_comp fw_control;
struct pds_core_vf_setattr_comp vf_setattr;
struct pds_core_vf_getattr_comp vf_getattr;
struct pds_core_vf_ctrl_comp vf_ctrl;
struct pds_core_get_component_info_comp get_component_info;
struct pds_core_send_pkg_data_comp send_pkg_data;
struct pds_core_send_component_tbl_comp send_component_tbl;
struct pds_core_send_component_comp send_component;
struct pds_core_finalize_update_comp finalize_update;
struct pds_core_match_record_desc_comp match_record_desc;
struct pds_core_host_mem_comp host_mem;
};
/**
* struct pds_core_dev_hwstamp_regs - Hardware current timestamp registers
* @tick_low: Low 32 bits of hardware timestamp
* @tick_high: High 32 bits of hardware timestamp
*/
struct pds_core_dev_hwstamp_regs {
u32 tick_low;
u32 tick_high;
};
/**
* struct pds_core_dev_info_regs - Device info register format (read-only)
* @signature: Signature value of 0x44455649 ('DEVI')
* @version: Current version of info
* @asic_type: Asic type
* @asic_rev: Asic revision
* @fw_status: Firmware status
* bit 0 - 1 = fw running
* bit 4-7 - 4 bit generation number, changes on fw restart
* @fw_heartbeat: Firmware heartbeat counter
* @serial_num: Serial number
* @fw_version: Firmware version
* @oprom_regs: oprom_regs to store oprom debug enable/disable and bmp
* @rsvd_pad1024: Struct padding
* @hwstamp: Hardware current timestamp registers
* @rsvd_pad2048: Struct padding
*/
struct pds_core_dev_info_regs {
#define PDS_CORE_DEVINFO_FWVERS_BUFLEN 32
#define PDS_CORE_DEVINFO_SERIAL_BUFLEN 32
u32 signature;
u8 version;
u8 asic_type;
u8 asic_rev;
#define PDS_CORE_FW_STS_F_STOPPED 0x00
#define PDS_CORE_FW_STS_F_RUNNING 0x01
#define PDS_CORE_FW_STS_F_GENERATION 0xF0
u8 fw_status;
__le32 fw_heartbeat;
char fw_version[PDS_CORE_DEVINFO_FWVERS_BUFLEN];
char serial_num[PDS_CORE_DEVINFO_SERIAL_BUFLEN];
u8 oprom_regs[32]; /* reserved */
u8 rsvd_pad1024[916];
struct pds_core_dev_hwstamp_regs hwstamp; /* on 1k boundary */
u8 rsvd_pad2048[1016];
} __packed;
/**
* struct pds_core_dev_cmd_regs - Device command register format (read-write)
* @doorbell: Device Cmd Doorbell, write-only
* Write a 1 to signal device to process cmd
* @done: Command completed indicator, poll for completion
* bit 0 == 1 when command is complete
* @cmd: Opcode-specific command bytes
* @comp: Opcode-specific response bytes
* @rsvd: Struct padding
* @data: Opcode-specific side-data
*/
struct pds_core_dev_cmd_regs {
u32 doorbell;
u32 done;
union pds_core_dev_cmd cmd;
union pds_core_dev_comp comp;
u8 rsvd[48];
u32 data[478];
} __packed;
/**
* struct pds_core_dev_regs - Device register format for bar 0 page 0
* @info: Device info registers
* @devcmd: Device command registers
*/
struct pds_core_dev_regs {
struct pds_core_dev_info_regs info;
struct pds_core_dev_cmd_regs devcmd;
} __packed;
#ifndef __CHECKER__
static_assert(sizeof(struct pds_core_drv_identity) <= 1912);
static_assert(sizeof(struct pds_core_dev_identity) <= 1912);
static_assert(sizeof(union pds_core_dev_cmd) == 64);
static_assert(sizeof(union pds_core_dev_comp) == 16);
static_assert(sizeof(struct pds_core_dev_info_regs) == 2048);
static_assert(sizeof(struct pds_core_dev_cmd_regs) == 2048);
static_assert(sizeof(struct pds_core_dev_regs) == 4096);
#endif /* __CHECKER__ */
#endif /* _PDS_CORE_IF_H_ */