| /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ |
| /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ |
| |
| #ifndef _MLXSW_CMD_H |
| #define _MLXSW_CMD_H |
| |
| #include "item.h" |
| |
| #define MLXSW_CMD_MBOX_SIZE 4096 |
| |
| static inline char *mlxsw_cmd_mbox_alloc(void) |
| { |
| return kzalloc(MLXSW_CMD_MBOX_SIZE, GFP_KERNEL); |
| } |
| |
| static inline void mlxsw_cmd_mbox_free(char *mbox) |
| { |
| kfree(mbox); |
| } |
| |
| static inline void mlxsw_cmd_mbox_zero(char *mbox) |
| { |
| memset(mbox, 0, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| struct mlxsw_core; |
| |
| int mlxsw_cmd_exec(struct mlxsw_core *mlxsw_core, u16 opcode, u8 opcode_mod, |
| u32 in_mod, bool out_mbox_direct, bool reset_ok, |
| char *in_mbox, size_t in_mbox_size, |
| char *out_mbox, size_t out_mbox_size); |
| |
| static inline int mlxsw_cmd_exec_in(struct mlxsw_core *mlxsw_core, u16 opcode, |
| u8 opcode_mod, u32 in_mod, char *in_mbox, |
| size_t in_mbox_size) |
| { |
| return mlxsw_cmd_exec(mlxsw_core, opcode, opcode_mod, in_mod, false, |
| false, in_mbox, in_mbox_size, NULL, 0); |
| } |
| |
| static inline int mlxsw_cmd_exec_out(struct mlxsw_core *mlxsw_core, u16 opcode, |
| u8 opcode_mod, u32 in_mod, |
| bool out_mbox_direct, |
| char *out_mbox, size_t out_mbox_size) |
| { |
| return mlxsw_cmd_exec(mlxsw_core, opcode, opcode_mod, in_mod, |
| out_mbox_direct, false, NULL, 0, |
| out_mbox, out_mbox_size); |
| } |
| |
| static inline int mlxsw_cmd_exec_none(struct mlxsw_core *mlxsw_core, u16 opcode, |
| u8 opcode_mod, u32 in_mod) |
| { |
| return mlxsw_cmd_exec(mlxsw_core, opcode, opcode_mod, in_mod, false, |
| false, NULL, 0, NULL, 0); |
| } |
| |
| enum mlxsw_cmd_opcode { |
| MLXSW_CMD_OPCODE_QUERY_FW = 0x004, |
| MLXSW_CMD_OPCODE_QUERY_BOARDINFO = 0x006, |
| MLXSW_CMD_OPCODE_QUERY_AQ_CAP = 0x003, |
| MLXSW_CMD_OPCODE_MAP_FA = 0xFFF, |
| MLXSW_CMD_OPCODE_UNMAP_FA = 0xFFE, |
| MLXSW_CMD_OPCODE_CONFIG_PROFILE = 0x100, |
| MLXSW_CMD_OPCODE_ACCESS_REG = 0x040, |
| MLXSW_CMD_OPCODE_SW2HW_DQ = 0x201, |
| MLXSW_CMD_OPCODE_HW2SW_DQ = 0x202, |
| MLXSW_CMD_OPCODE_2ERR_DQ = 0x01E, |
| MLXSW_CMD_OPCODE_QUERY_DQ = 0x022, |
| MLXSW_CMD_OPCODE_SW2HW_CQ = 0x016, |
| MLXSW_CMD_OPCODE_HW2SW_CQ = 0x017, |
| MLXSW_CMD_OPCODE_QUERY_CQ = 0x018, |
| MLXSW_CMD_OPCODE_SW2HW_EQ = 0x013, |
| MLXSW_CMD_OPCODE_HW2SW_EQ = 0x014, |
| MLXSW_CMD_OPCODE_QUERY_EQ = 0x015, |
| MLXSW_CMD_OPCODE_QUERY_RESOURCES = 0x101, |
| }; |
| |
| static inline const char *mlxsw_cmd_opcode_str(u16 opcode) |
| { |
| switch (opcode) { |
| case MLXSW_CMD_OPCODE_QUERY_FW: |
| return "QUERY_FW"; |
| case MLXSW_CMD_OPCODE_QUERY_BOARDINFO: |
| return "QUERY_BOARDINFO"; |
| case MLXSW_CMD_OPCODE_QUERY_AQ_CAP: |
| return "QUERY_AQ_CAP"; |
| case MLXSW_CMD_OPCODE_MAP_FA: |
| return "MAP_FA"; |
| case MLXSW_CMD_OPCODE_UNMAP_FA: |
| return "UNMAP_FA"; |
| case MLXSW_CMD_OPCODE_CONFIG_PROFILE: |
| return "CONFIG_PROFILE"; |
| case MLXSW_CMD_OPCODE_ACCESS_REG: |
| return "ACCESS_REG"; |
| case MLXSW_CMD_OPCODE_SW2HW_DQ: |
| return "SW2HW_DQ"; |
| case MLXSW_CMD_OPCODE_HW2SW_DQ: |
| return "HW2SW_DQ"; |
| case MLXSW_CMD_OPCODE_2ERR_DQ: |
| return "2ERR_DQ"; |
| case MLXSW_CMD_OPCODE_QUERY_DQ: |
| return "QUERY_DQ"; |
| case MLXSW_CMD_OPCODE_SW2HW_CQ: |
| return "SW2HW_CQ"; |
| case MLXSW_CMD_OPCODE_HW2SW_CQ: |
| return "HW2SW_CQ"; |
| case MLXSW_CMD_OPCODE_QUERY_CQ: |
| return "QUERY_CQ"; |
| case MLXSW_CMD_OPCODE_SW2HW_EQ: |
| return "SW2HW_EQ"; |
| case MLXSW_CMD_OPCODE_HW2SW_EQ: |
| return "HW2SW_EQ"; |
| case MLXSW_CMD_OPCODE_QUERY_EQ: |
| return "QUERY_EQ"; |
| case MLXSW_CMD_OPCODE_QUERY_RESOURCES: |
| return "QUERY_RESOURCES"; |
| default: |
| return "*UNKNOWN*"; |
| } |
| } |
| |
| enum mlxsw_cmd_status { |
| /* Command execution succeeded. */ |
| MLXSW_CMD_STATUS_OK = 0x00, |
| /* Internal error (e.g. bus error) occurred while processing command. */ |
| MLXSW_CMD_STATUS_INTERNAL_ERR = 0x01, |
| /* Operation/command not supported or opcode modifier not supported. */ |
| MLXSW_CMD_STATUS_BAD_OP = 0x02, |
| /* Parameter not supported, parameter out of range. */ |
| MLXSW_CMD_STATUS_BAD_PARAM = 0x03, |
| /* System was not enabled or bad system state. */ |
| MLXSW_CMD_STATUS_BAD_SYS_STATE = 0x04, |
| /* Attempt to access reserved or unallocated resource, or resource in |
| * inappropriate ownership. |
| */ |
| MLXSW_CMD_STATUS_BAD_RESOURCE = 0x05, |
| /* Requested resource is currently executing a command. */ |
| MLXSW_CMD_STATUS_RESOURCE_BUSY = 0x06, |
| /* Required capability exceeds device limits. */ |
| MLXSW_CMD_STATUS_EXCEED_LIM = 0x08, |
| /* Resource is not in the appropriate state or ownership. */ |
| MLXSW_CMD_STATUS_BAD_RES_STATE = 0x09, |
| /* Index out of range (might be beyond table size or attempt to |
| * access a reserved resource). |
| */ |
| MLXSW_CMD_STATUS_BAD_INDEX = 0x0A, |
| /* NVMEM checksum/CRC failed. */ |
| MLXSW_CMD_STATUS_BAD_NVMEM = 0x0B, |
| /* Device is currently running reset */ |
| MLXSW_CMD_STATUS_RUNNING_RESET = 0x26, |
| /* Bad management packet (silently discarded). */ |
| MLXSW_CMD_STATUS_BAD_PKT = 0x30, |
| }; |
| |
| static inline const char *mlxsw_cmd_status_str(u8 status) |
| { |
| switch (status) { |
| case MLXSW_CMD_STATUS_OK: |
| return "OK"; |
| case MLXSW_CMD_STATUS_INTERNAL_ERR: |
| return "INTERNAL_ERR"; |
| case MLXSW_CMD_STATUS_BAD_OP: |
| return "BAD_OP"; |
| case MLXSW_CMD_STATUS_BAD_PARAM: |
| return "BAD_PARAM"; |
| case MLXSW_CMD_STATUS_BAD_SYS_STATE: |
| return "BAD_SYS_STATE"; |
| case MLXSW_CMD_STATUS_BAD_RESOURCE: |
| return "BAD_RESOURCE"; |
| case MLXSW_CMD_STATUS_RESOURCE_BUSY: |
| return "RESOURCE_BUSY"; |
| case MLXSW_CMD_STATUS_EXCEED_LIM: |
| return "EXCEED_LIM"; |
| case MLXSW_CMD_STATUS_BAD_RES_STATE: |
| return "BAD_RES_STATE"; |
| case MLXSW_CMD_STATUS_BAD_INDEX: |
| return "BAD_INDEX"; |
| case MLXSW_CMD_STATUS_BAD_NVMEM: |
| return "BAD_NVMEM"; |
| case MLXSW_CMD_STATUS_RUNNING_RESET: |
| return "RUNNING_RESET"; |
| case MLXSW_CMD_STATUS_BAD_PKT: |
| return "BAD_PKT"; |
| default: |
| return "*UNKNOWN*"; |
| } |
| } |
| |
| /* QUERY_FW - Query Firmware |
| * ------------------------- |
| * OpMod == 0, INMmod == 0 |
| * ----------------------- |
| * The QUERY_FW command retrieves information related to firmware, command |
| * interface version and the amount of resources that should be allocated to |
| * the firmware. |
| */ |
| |
| static inline int mlxsw_cmd_query_fw(struct mlxsw_core *mlxsw_core, |
| char *out_mbox) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_FW, |
| 0, 0, false, out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_query_fw_fw_pages |
| * Amount of physical memory to be allocatedfor firmware usage in 4KB pages. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_pages, 0x00, 16, 16); |
| |
| /* cmd_mbox_query_fw_fw_rev_major |
| * Firmware Revision - Major |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_rev_major, 0x00, 0, 16); |
| |
| /* cmd_mbox_query_fw_fw_rev_subminor |
| * Firmware Sub-minor version (Patch level) |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_rev_subminor, 0x04, 16, 16); |
| |
| /* cmd_mbox_query_fw_fw_rev_minor |
| * Firmware Revision - Minor |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_rev_minor, 0x04, 0, 16); |
| |
| /* cmd_mbox_query_fw_core_clk |
| * Internal Clock Frequency (in MHz) |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, core_clk, 0x08, 16, 16); |
| |
| /* cmd_mbox_query_fw_cmd_interface_rev |
| * Command Interface Interpreter Revision ID. This number is bumped up |
| * every time a non-backward-compatible change is done for the command |
| * interface. The current cmd_interface_rev is 1. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, cmd_interface_rev, 0x08, 0, 16); |
| |
| /* cmd_mbox_query_fw_dt |
| * If set, Debug Trace is supported |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, dt, 0x0C, 31, 1); |
| |
| /* cmd_mbox_query_fw_api_version |
| * Indicates the version of the API, to enable software querying |
| * for compatibility. The current api_version is 1. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, api_version, 0x0C, 0, 16); |
| |
| /* cmd_mbox_query_fw_fw_hour |
| * Firmware timestamp - hour |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_hour, 0x10, 24, 8); |
| |
| /* cmd_mbox_query_fw_fw_minutes |
| * Firmware timestamp - minutes |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_minutes, 0x10, 16, 8); |
| |
| /* cmd_mbox_query_fw_fw_seconds |
| * Firmware timestamp - seconds |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_seconds, 0x10, 8, 8); |
| |
| /* cmd_mbox_query_fw_fw_year |
| * Firmware timestamp - year |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_year, 0x14, 16, 16); |
| |
| /* cmd_mbox_query_fw_fw_month |
| * Firmware timestamp - month |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_month, 0x14, 8, 8); |
| |
| /* cmd_mbox_query_fw_fw_day |
| * Firmware timestamp - day |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, fw_day, 0x14, 0, 8); |
| |
| /* cmd_mbox_query_fw_clr_int_base_offset |
| * Clear Interrupt register's offset from clr_int_bar register |
| * in PCI address space. |
| */ |
| MLXSW_ITEM64(cmd_mbox, query_fw, clr_int_base_offset, 0x20, 0, 64); |
| |
| /* cmd_mbox_query_fw_clr_int_bar |
| * PCI base address register (BAR) where clr_int register is located. |
| * 00 - BAR 0-1 (64 bit BAR) |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, clr_int_bar, 0x28, 30, 2); |
| |
| /* cmd_mbox_query_fw_error_buf_offset |
| * Read Only buffer for internal error reports of offset |
| * from error_buf_bar register in PCI address space). |
| */ |
| MLXSW_ITEM64(cmd_mbox, query_fw, error_buf_offset, 0x30, 0, 64); |
| |
| /* cmd_mbox_query_fw_error_buf_size |
| * Internal error buffer size in DWORDs |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, error_buf_size, 0x38, 0, 32); |
| |
| /* cmd_mbox_query_fw_error_int_bar |
| * PCI base address register (BAR) where error buffer |
| * register is located. |
| * 00 - BAR 0-1 (64 bit BAR) |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, error_int_bar, 0x3C, 30, 2); |
| |
| /* cmd_mbox_query_fw_doorbell_page_offset |
| * Offset of the doorbell page |
| */ |
| MLXSW_ITEM64(cmd_mbox, query_fw, doorbell_page_offset, 0x40, 0, 64); |
| |
| /* cmd_mbox_query_fw_doorbell_page_bar |
| * PCI base address register (BAR) of the doorbell page |
| * 00 - BAR 0-1 (64 bit BAR) |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_fw, doorbell_page_bar, 0x48, 30, 2); |
| |
| /* QUERY_BOARDINFO - Query Board Information |
| * ----------------------------------------- |
| * OpMod == 0 (N/A), INMmod == 0 (N/A) |
| * ----------------------------------- |
| * The QUERY_BOARDINFO command retrieves adapter specific parameters. |
| */ |
| |
| static inline int mlxsw_cmd_boardinfo(struct mlxsw_core *mlxsw_core, |
| char *out_mbox) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_BOARDINFO, |
| 0, 0, false, out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_boardinfo_intapin |
| * When PCIe interrupt messages are being used, this value is used for clearing |
| * an interrupt. When using MSI-X, this register is not used. |
| */ |
| MLXSW_ITEM32(cmd_mbox, boardinfo, intapin, 0x10, 24, 8); |
| |
| /* cmd_mbox_boardinfo_vsd_vendor_id |
| * PCISIG Vendor ID (www.pcisig.com/membership/vid_search) of the vendor |
| * specifying/formatting the VSD. The vsd_vendor_id identifies the management |
| * domain of the VSD/PSID data. Different vendors may choose different VSD/PSID |
| * format and encoding as long as they use their assigned vsd_vendor_id. |
| */ |
| MLXSW_ITEM32(cmd_mbox, boardinfo, vsd_vendor_id, 0x1C, 0, 16); |
| |
| /* cmd_mbox_boardinfo_vsd |
| * Vendor Specific Data. The VSD string that is burnt to the Flash |
| * with the firmware. |
| */ |
| #define MLXSW_CMD_BOARDINFO_VSD_LEN 208 |
| MLXSW_ITEM_BUF(cmd_mbox, boardinfo, vsd, 0x20, MLXSW_CMD_BOARDINFO_VSD_LEN); |
| |
| /* cmd_mbox_boardinfo_psid |
| * The PSID field is a 16-ascii (byte) character string which acts as |
| * the board ID. The PSID format is used in conjunction with |
| * Mellanox vsd_vendor_id (15B3h). |
| */ |
| #define MLXSW_CMD_BOARDINFO_PSID_LEN 16 |
| MLXSW_ITEM_BUF(cmd_mbox, boardinfo, psid, 0xF0, MLXSW_CMD_BOARDINFO_PSID_LEN); |
| |
| /* QUERY_AQ_CAP - Query Asynchronous Queues Capabilities |
| * ----------------------------------------------------- |
| * OpMod == 0 (N/A), INMmod == 0 (N/A) |
| * ----------------------------------- |
| * The QUERY_AQ_CAP command returns the device asynchronous queues |
| * capabilities supported. |
| */ |
| |
| static inline int mlxsw_cmd_query_aq_cap(struct mlxsw_core *mlxsw_core, |
| char *out_mbox) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_AQ_CAP, |
| 0, 0, false, out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_query_aq_cap_log_max_sdq_sz |
| * Log (base 2) of max WQEs allowed on SDQ. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_sdq_sz, 0x00, 24, 8); |
| |
| /* cmd_mbox_query_aq_cap_max_num_sdqs |
| * Maximum number of SDQs. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_num_sdqs, 0x00, 0, 8); |
| |
| /* cmd_mbox_query_aq_cap_log_max_rdq_sz |
| * Log (base 2) of max WQEs allowed on RDQ. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_rdq_sz, 0x04, 24, 8); |
| |
| /* cmd_mbox_query_aq_cap_max_num_rdqs |
| * Maximum number of RDQs. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_num_rdqs, 0x04, 0, 8); |
| |
| /* cmd_mbox_query_aq_cap_log_max_cq_sz |
| * Log (base 2) of the Maximum CQEs allowed in a CQ for CQEv0 and CQEv1. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_cq_sz, 0x08, 24, 8); |
| |
| /* cmd_mbox_query_aq_cap_log_max_cqv2_sz |
| * Log (base 2) of the Maximum CQEs allowed in a CQ for CQEv2. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_cqv2_sz, 0x08, 16, 8); |
| |
| /* cmd_mbox_query_aq_cap_max_num_cqs |
| * Maximum number of CQs. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_num_cqs, 0x08, 0, 8); |
| |
| /* cmd_mbox_query_aq_cap_log_max_eq_sz |
| * Log (base 2) of max EQEs allowed on EQ. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_eq_sz, 0x0C, 24, 8); |
| |
| /* cmd_mbox_query_aq_cap_max_num_eqs |
| * Maximum number of EQs. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_num_eqs, 0x0C, 0, 8); |
| |
| /* cmd_mbox_query_aq_cap_max_sg_sq |
| * The maximum S/G list elements in an DSQ. DSQ must not contain |
| * more S/G entries than indicated here. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_sg_sq, 0x10, 8, 8); |
| |
| /* cmd_mbox_query_aq_cap_ |
| * The maximum S/G list elements in an DRQ. DRQ must not contain |
| * more S/G entries than indicated here. |
| */ |
| MLXSW_ITEM32(cmd_mbox, query_aq_cap, max_sg_rq, 0x10, 0, 8); |
| |
| /* MAP_FA - Map Firmware Area |
| * -------------------------- |
| * OpMod == 0 (N/A), INMmod == Number of VPM entries |
| * ------------------------------------------------- |
| * The MAP_FA command passes physical pages to the switch. These pages |
| * are used to store the device firmware. MAP_FA can be executed multiple |
| * times until all the firmware area is mapped (the size that should be |
| * mapped is retrieved through the QUERY_FW command). All required pages |
| * must be mapped to finish the initialization phase. Physical memory |
| * passed in this command must be pinned. |
| */ |
| |
| #define MLXSW_CMD_MAP_FA_VPM_ENTRIES_MAX 32 |
| |
| static inline int mlxsw_cmd_map_fa(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 vpm_entries_count) |
| { |
| return mlxsw_cmd_exec_in(mlxsw_core, MLXSW_CMD_OPCODE_MAP_FA, |
| 0, vpm_entries_count, |
| in_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_map_fa_pa |
| * Physical Address. |
| */ |
| MLXSW_ITEM64_INDEXED(cmd_mbox, map_fa, pa, 0x00, 12, 52, 0x08, 0x00, true); |
| |
| /* cmd_mbox_map_fa_log2size |
| * Log (base 2) of the size in 4KB pages of the physical and contiguous memory |
| * that starts at PA_L/H. |
| */ |
| MLXSW_ITEM32_INDEXED(cmd_mbox, map_fa, log2size, 0x00, 0, 5, 0x08, 0x04, false); |
| |
| /* UNMAP_FA - Unmap Firmware Area |
| * ------------------------------ |
| * OpMod == 0 (N/A), INMmod == 0 (N/A) |
| * ----------------------------------- |
| * The UNMAP_FA command unload the firmware and unmaps all the |
| * firmware area. After this command is completed the device will not access |
| * the pages that were mapped to the firmware area. After executing UNMAP_FA |
| * command, software reset must be done prior to execution of MAP_FW command. |
| */ |
| |
| static inline int mlxsw_cmd_unmap_fa(struct mlxsw_core *mlxsw_core) |
| { |
| return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_UNMAP_FA, 0, 0); |
| } |
| |
| /* QUERY_RESOURCES - Query chip resources |
| * -------------------------------------- |
| * OpMod == 0 (N/A) , INMmod is index |
| * ---------------------------------- |
| * The QUERY_RESOURCES command retrieves information related to chip resources |
| * by resource ID. Every command returns 32 entries. INmod is being use as base. |
| * for example, index 1 will return entries 32-63. When the tables end and there |
| * are no more sources in the table, will return resource id 0xFFF to indicate |
| * it. |
| */ |
| |
| #define MLXSW_CMD_QUERY_RESOURCES_TABLE_END_ID 0xffff |
| #define MLXSW_CMD_QUERY_RESOURCES_MAX_QUERIES 100 |
| #define MLXSW_CMD_QUERY_RESOURCES_PER_QUERY 32 |
| |
| static inline int mlxsw_cmd_query_resources(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, int index) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_RESOURCES, |
| 0, index, false, out_mbox, |
| MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_query_resource_id |
| * The resource id. 0xFFFF indicates table's end. |
| */ |
| MLXSW_ITEM32_INDEXED(cmd_mbox, query_resource, id, 0x00, 16, 16, 0x8, 0, false); |
| |
| /* cmd_mbox_query_resource_data |
| * The resource |
| */ |
| MLXSW_ITEM64_INDEXED(cmd_mbox, query_resource, data, |
| 0x00, 0, 40, 0x8, 0, false); |
| |
| /* CONFIG_PROFILE (Set) - Configure Switch Profile |
| * ------------------------------ |
| * OpMod == 1 (Set), INMmod == 0 (N/A) |
| * ----------------------------------- |
| * The CONFIG_PROFILE command sets the switch profile. The command can be |
| * executed on the device only once at startup in order to allocate and |
| * configure all switch resources and prepare it for operational mode. |
| * It is not possible to change the device profile after the chip is |
| * in operational mode. |
| * Failure of the CONFIG_PROFILE command leaves the hardware in an indeterminate |
| * state therefore it is required to perform software reset to the device |
| * following an unsuccessful completion of the command. It is required |
| * to perform software reset to the device to change an existing profile. |
| */ |
| |
| static inline int mlxsw_cmd_config_profile_set(struct mlxsw_core *mlxsw_core, |
| char *in_mbox) |
| { |
| return mlxsw_cmd_exec_in(mlxsw_core, MLXSW_CMD_OPCODE_CONFIG_PROFILE, |
| 1, 0, in_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_config_profile_set_max_vepa_channels |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_vepa_channels, 0x0C, 0, 1); |
| |
| /* cmd_mbox_config_profile_set_max_lag |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_lag, 0x0C, 1, 1); |
| |
| /* cmd_mbox_config_profile_set_max_port_per_lag |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_port_per_lag, 0x0C, 2, 1); |
| |
| /* cmd_mbox_config_profile_set_max_mid |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_mid, 0x0C, 3, 1); |
| |
| /* cmd_mbox_config_profile_set_max_pgt |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_pgt, 0x0C, 4, 1); |
| |
| /* cmd_mbox_config_profile_set_max_system_port |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_system_port, 0x0C, 5, 1); |
| |
| /* cmd_mbox_config_profile_set_max_vlan_groups |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_vlan_groups, 0x0C, 6, 1); |
| |
| /* cmd_mbox_config_profile_set_max_regions |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_regions, 0x0C, 7, 1); |
| |
| /* cmd_mbox_config_profile_set_flood_mode |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_flood_mode, 0x0C, 8, 1); |
| |
| /* cmd_mbox_config_profile_set_max_flood_tables |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_flood_tables, 0x0C, 9, 1); |
| |
| /* cmd_mbox_config_profile_set_max_ib_mc |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_ib_mc, 0x0C, 12, 1); |
| |
| /* cmd_mbox_config_profile_set_max_pkey |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_max_pkey, 0x0C, 13, 1); |
| |
| /* cmd_mbox_config_profile_set_adaptive_routing_group_cap |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, |
| set_adaptive_routing_group_cap, 0x0C, 14, 1); |
| |
| /* cmd_mbox_config_profile_set_ar_sec |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_ar_sec, 0x0C, 15, 1); |
| |
| /* cmd_mbox_config_set_kvd_linear_size |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_kvd_linear_size, 0x0C, 24, 1); |
| |
| /* cmd_mbox_config_set_kvd_hash_single_size |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_kvd_hash_single_size, 0x0C, 25, 1); |
| |
| /* cmd_mbox_config_set_kvd_hash_double_size |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_kvd_hash_double_size, 0x0C, 26, 1); |
| |
| /* cmd_mbox_config_set_cqe_version |
| * Capability bit. Setting a bit to 1 configures the profile |
| * according to the mailbox contents. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, set_cqe_version, 0x08, 0, 1); |
| |
| /* cmd_mbox_config_profile_max_vepa_channels |
| * Maximum number of VEPA channels per port (0 through 16) |
| * 0 - multi-channel VEPA is disabled |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_vepa_channels, 0x10, 0, 8); |
| |
| /* cmd_mbox_config_profile_max_lag |
| * Maximum number of LAG IDs requested. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_lag, 0x14, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_port_per_lag |
| * Maximum number of ports per LAG requested. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_port_per_lag, 0x18, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_mid |
| * Maximum Multicast IDs. |
| * Multicast IDs are allocated from 0 to max_mid-1 |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_mid, 0x1C, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_pgt |
| * Maximum records in the Port Group Table per Switch Partition. |
| * Port Group Table indexes are from 0 to max_pgt-1 |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_pgt, 0x20, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_system_port |
| * The maximum number of system ports that can be allocated. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_system_port, 0x24, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_vlan_groups |
| * Maximum number VLAN Groups for VLAN binding. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_vlan_groups, 0x28, 0, 12); |
| |
| /* cmd_mbox_config_profile_max_regions |
| * Maximum number of TCAM Regions. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_regions, 0x2C, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_flood_tables |
| * Maximum number of single-entry flooding tables. Different flooding tables |
| * can be associated with different packet types. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_flood_tables, 0x30, 16, 4); |
| |
| /* cmd_mbox_config_profile_max_vid_flood_tables |
| * Maximum number of per-vid flooding tables. Flooding tables are associated |
| * to the different packet types for the different switch partitions. |
| * Table size is 4K entries covering all VID space. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_vid_flood_tables, 0x30, 8, 4); |
| |
| /* cmd_mbox_config_profile_flood_mode |
| * Flooding mode to use. |
| * 0-2 - Backward compatible modes for SwitchX devices. |
| * 3 - Mixed mode, where: |
| * max_flood_tables indicates the number of single-entry tables. |
| * max_vid_flood_tables indicates the number of per-VID tables. |
| * max_fid_offset_flood_tables indicates the number of FID-offset tables. |
| * max_fid_flood_tables indicates the number of per-FID tables. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, flood_mode, 0x30, 0, 2); |
| |
| /* cmd_mbox_config_profile_max_fid_offset_flood_tables |
| * Maximum number of FID-offset flooding tables. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, |
| max_fid_offset_flood_tables, 0x34, 24, 4); |
| |
| /* cmd_mbox_config_profile_fid_offset_flood_table_size |
| * The size (number of entries) of each FID-offset flood table. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, |
| fid_offset_flood_table_size, 0x34, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_fid_flood_tables |
| * Maximum number of per-FID flooding tables. |
| * |
| * Note: This flooding tables cover special FIDs only (vFIDs), starting at |
| * FID value 4K and higher. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_fid_flood_tables, 0x38, 24, 4); |
| |
| /* cmd_mbox_config_profile_fid_flood_table_size |
| * The size (number of entries) of each per-FID table. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, fid_flood_table_size, 0x38, 0, 16); |
| |
| /* cmd_mbox_config_profile_max_ib_mc |
| * Maximum number of multicast FDB records for InfiniBand |
| * FDB (in 512 chunks) per InfiniBand switch partition. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_ib_mc, 0x40, 0, 15); |
| |
| /* cmd_mbox_config_profile_max_pkey |
| * Maximum per port PKEY table size (for PKEY enforcement) |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, max_pkey, 0x44, 0, 15); |
| |
| /* cmd_mbox_config_profile_ar_sec |
| * Primary/secondary capability |
| * Describes the number of adaptive routing sub-groups |
| * 0 - disable primary/secondary (single group) |
| * 1 - enable primary/secondary (2 sub-groups) |
| * 2 - 3 sub-groups: Not supported in SwitchX, SwitchX-2 |
| * 3 - 4 sub-groups: Not supported in SwitchX, SwitchX-2 |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, ar_sec, 0x4C, 24, 2); |
| |
| /* cmd_mbox_config_profile_adaptive_routing_group_cap |
| * Adaptive Routing Group Capability. Indicates the number of AR groups |
| * supported. Note that when Primary/secondary is enabled, each |
| * primary/secondary couple consumes 2 adaptive routing entries. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, adaptive_routing_group_cap, 0x4C, 0, 16); |
| |
| /* cmd_mbox_config_profile_arn |
| * Adaptive Routing Notification Enable |
| * Not supported in SwitchX, SwitchX-2 |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, arn, 0x50, 31, 1); |
| |
| /* cmd_mbox_config_kvd_linear_size |
| * KVD Linear Size |
| * Valid for Spectrum only |
| * Allowed values are 128*N where N=0 or higher |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, kvd_linear_size, 0x54, 0, 24); |
| |
| /* cmd_mbox_config_kvd_hash_single_size |
| * KVD Hash single-entries size |
| * Valid for Spectrum only |
| * Allowed values are 128*N where N=0 or higher |
| * Must be greater or equal to cap_min_kvd_hash_single_size |
| * Must be smaller or equal to cap_kvd_size - kvd_linear_size |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, kvd_hash_single_size, 0x58, 0, 24); |
| |
| /* cmd_mbox_config_kvd_hash_double_size |
| * KVD Hash double-entries size (units of single-size entries) |
| * Valid for Spectrum only |
| * Allowed values are 128*N where N=0 or higher |
| * Must be either 0 or greater or equal to cap_min_kvd_hash_double_size |
| * Must be smaller or equal to cap_kvd_size - kvd_linear_size |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, kvd_hash_double_size, 0x5C, 0, 24); |
| |
| /* cmd_mbox_config_profile_swid_config_mask |
| * Modify Switch Partition Configuration mask. When set, the configu- |
| * ration value for the Switch Partition are taken from the mailbox. |
| * When clear, the current configuration values are used. |
| * Bit 0 - set type |
| * Bit 1 - properties |
| * Other - reserved |
| */ |
| MLXSW_ITEM32_INDEXED(cmd_mbox, config_profile, swid_config_mask, |
| 0x60, 24, 8, 0x08, 0x00, false); |
| |
| /* cmd_mbox_config_profile_swid_config_type |
| * Switch Partition type. |
| * 0000 - disabled (Switch Partition does not exist) |
| * 0001 - InfiniBand |
| * 0010 - Ethernet |
| * 1000 - router port (SwitchX-2 only) |
| * Other - reserved |
| */ |
| MLXSW_ITEM32_INDEXED(cmd_mbox, config_profile, swid_config_type, |
| 0x60, 20, 4, 0x08, 0x00, false); |
| |
| /* cmd_mbox_config_profile_swid_config_properties |
| * Switch Partition properties. |
| */ |
| MLXSW_ITEM32_INDEXED(cmd_mbox, config_profile, swid_config_properties, |
| 0x60, 0, 8, 0x08, 0x00, false); |
| |
| /* cmd_mbox_config_profile_cqe_version |
| * CQE version: |
| * 0: CQE version is 0 |
| * 1: CQE version is either 1 or 2 |
| * CQE ver 1 or 2 is configured by Completion Queue Context field cqe_ver. |
| */ |
| MLXSW_ITEM32(cmd_mbox, config_profile, cqe_version, 0xB0, 0, 8); |
| |
| /* ACCESS_REG - Access EMAD Supported Register |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == 0 (N/A) |
| * ------------------------------------- |
| * The ACCESS_REG command supports accessing device registers. This access |
| * is mainly used for bootstrapping. |
| */ |
| |
| static inline int mlxsw_cmd_access_reg(struct mlxsw_core *mlxsw_core, |
| bool reset_ok, |
| char *in_mbox, char *out_mbox) |
| { |
| return mlxsw_cmd_exec(mlxsw_core, MLXSW_CMD_OPCODE_ACCESS_REG, |
| 0, 0, false, reset_ok, |
| in_mbox, MLXSW_CMD_MBOX_SIZE, |
| out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* SW2HW_DQ - Software to Hardware DQ |
| * ---------------------------------- |
| * OpMod == 0 (send DQ) / OpMod == 1 (receive DQ) |
| * INMmod == DQ number |
| * ---------------------------------------------- |
| * The SW2HW_DQ command transitions a descriptor queue from software to |
| * hardware ownership. The command enables posting WQEs and ringing DoorBells |
| * on the descriptor queue. |
| */ |
| |
| static inline int __mlxsw_cmd_sw2hw_dq(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 dq_number, |
| u8 opcode_mod) |
| { |
| return mlxsw_cmd_exec_in(mlxsw_core, MLXSW_CMD_OPCODE_SW2HW_DQ, |
| opcode_mod, dq_number, |
| in_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| enum { |
| MLXSW_CMD_OPCODE_MOD_SDQ = 0, |
| MLXSW_CMD_OPCODE_MOD_RDQ = 1, |
| }; |
| |
| static inline int mlxsw_cmd_sw2hw_sdq(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 dq_number) |
| { |
| return __mlxsw_cmd_sw2hw_dq(mlxsw_core, in_mbox, dq_number, |
| MLXSW_CMD_OPCODE_MOD_SDQ); |
| } |
| |
| static inline int mlxsw_cmd_sw2hw_rdq(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 dq_number) |
| { |
| return __mlxsw_cmd_sw2hw_dq(mlxsw_core, in_mbox, dq_number, |
| MLXSW_CMD_OPCODE_MOD_RDQ); |
| } |
| |
| /* cmd_mbox_sw2hw_dq_cq |
| * Number of the CQ that this Descriptor Queue reports completions to. |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_dq, cq, 0x00, 24, 8); |
| |
| /* cmd_mbox_sw2hw_dq_sdq_tclass |
| * SDQ: CPU Egress TClass |
| * RDQ: Reserved |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_dq, sdq_tclass, 0x00, 16, 6); |
| |
| /* cmd_mbox_sw2hw_dq_log2_dq_sz |
| * Log (base 2) of the Descriptor Queue size in 4KB pages. |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_dq, log2_dq_sz, 0x00, 0, 6); |
| |
| /* cmd_mbox_sw2hw_dq_pa |
| * Physical Address. |
| */ |
| MLXSW_ITEM64_INDEXED(cmd_mbox, sw2hw_dq, pa, 0x10, 12, 52, 0x08, 0x00, true); |
| |
| /* HW2SW_DQ - Hardware to Software DQ |
| * ---------------------------------- |
| * OpMod == 0 (send DQ) / OpMod == 1 (receive DQ) |
| * INMmod == DQ number |
| * ---------------------------------------------- |
| * The HW2SW_DQ command transitions a descriptor queue from hardware to |
| * software ownership. Incoming packets on the DQ are silently discarded, |
| * SW should not post descriptors on nonoperational DQs. |
| */ |
| |
| static inline int __mlxsw_cmd_hw2sw_dq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number, u8 opcode_mod) |
| { |
| return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_HW2SW_DQ, |
| opcode_mod, dq_number); |
| } |
| |
| static inline int mlxsw_cmd_hw2sw_sdq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number) |
| { |
| return __mlxsw_cmd_hw2sw_dq(mlxsw_core, dq_number, |
| MLXSW_CMD_OPCODE_MOD_SDQ); |
| } |
| |
| static inline int mlxsw_cmd_hw2sw_rdq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number) |
| { |
| return __mlxsw_cmd_hw2sw_dq(mlxsw_core, dq_number, |
| MLXSW_CMD_OPCODE_MOD_RDQ); |
| } |
| |
| /* 2ERR_DQ - To Error DQ |
| * --------------------- |
| * OpMod == 0 (send DQ) / OpMod == 1 (receive DQ) |
| * INMmod == DQ number |
| * ---------------------------------------------- |
| * The 2ERR_DQ command transitions the DQ into the error state from the state |
| * in which it has been. While the command is executed, some in-process |
| * descriptors may complete. Once the DQ transitions into the error state, |
| * if there are posted descriptors on the RDQ/SDQ, the hardware writes |
| * a completion with error (flushed) for all descriptors posted in the RDQ/SDQ. |
| * When the command is completed successfully, the DQ is already in |
| * the error state. |
| */ |
| |
| static inline int __mlxsw_cmd_2err_dq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number, u8 opcode_mod) |
| { |
| return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_2ERR_DQ, |
| opcode_mod, dq_number); |
| } |
| |
| static inline int mlxsw_cmd_2err_sdq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number) |
| { |
| return __mlxsw_cmd_2err_dq(mlxsw_core, dq_number, |
| MLXSW_CMD_OPCODE_MOD_SDQ); |
| } |
| |
| static inline int mlxsw_cmd_2err_rdq(struct mlxsw_core *mlxsw_core, |
| u32 dq_number) |
| { |
| return __mlxsw_cmd_2err_dq(mlxsw_core, dq_number, |
| MLXSW_CMD_OPCODE_MOD_RDQ); |
| } |
| |
| /* QUERY_DQ - Query DQ |
| * --------------------- |
| * OpMod == 0 (send DQ) / OpMod == 1 (receive DQ) |
| * INMmod == DQ number |
| * ---------------------------------------------- |
| * The QUERY_DQ command retrieves a snapshot of DQ parameters from the hardware. |
| * |
| * Note: Output mailbox has the same format as SW2HW_DQ. |
| */ |
| |
| static inline int __mlxsw_cmd_query_dq(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, u32 dq_number, |
| u8 opcode_mod) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_2ERR_DQ, |
| opcode_mod, dq_number, false, |
| out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| static inline int mlxsw_cmd_query_sdq(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, u32 dq_number) |
| { |
| return __mlxsw_cmd_query_dq(mlxsw_core, out_mbox, dq_number, |
| MLXSW_CMD_OPCODE_MOD_SDQ); |
| } |
| |
| static inline int mlxsw_cmd_query_rdq(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, u32 dq_number) |
| { |
| return __mlxsw_cmd_query_dq(mlxsw_core, out_mbox, dq_number, |
| MLXSW_CMD_OPCODE_MOD_RDQ); |
| } |
| |
| /* SW2HW_CQ - Software to Hardware CQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == CQ number |
| * ------------------------------------- |
| * The SW2HW_CQ command transfers ownership of a CQ context entry from software |
| * to hardware. The command takes the CQ context entry from the input mailbox |
| * and stores it in the CQC in the ownership of the hardware. The command fails |
| * if the requested CQC entry is already in the ownership of the hardware. |
| */ |
| |
| static inline int mlxsw_cmd_sw2hw_cq(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 cq_number) |
| { |
| return mlxsw_cmd_exec_in(mlxsw_core, MLXSW_CMD_OPCODE_SW2HW_CQ, |
| 0, cq_number, in_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| enum mlxsw_cmd_mbox_sw2hw_cq_cqe_ver { |
| MLXSW_CMD_MBOX_SW2HW_CQ_CQE_VER_1, |
| MLXSW_CMD_MBOX_SW2HW_CQ_CQE_VER_2, |
| }; |
| |
| /* cmd_mbox_sw2hw_cq_cqe_ver |
| * CQE Version. |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_cq, cqe_ver, 0x00, 28, 4); |
| |
| /* cmd_mbox_sw2hw_cq_c_eqn |
| * Event Queue this CQ reports completion events to. |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_cq, c_eqn, 0x00, 24, 1); |
| |
| /* cmd_mbox_sw2hw_cq_st |
| * Event delivery state machine |
| * 0x0 - FIRED |
| * 0x1 - ARMED (Request for Notification) |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_cq, st, 0x00, 8, 1); |
| |
| /* cmd_mbox_sw2hw_cq_log_cq_size |
| * Log (base 2) of the CQ size (in entries). |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_cq, log_cq_size, 0x00, 0, 4); |
| |
| /* cmd_mbox_sw2hw_cq_producer_counter |
| * Producer Counter. The counter is incremented for each CQE that is |
| * written by the HW to the CQ. |
| * Maintained by HW (valid for the QUERY_CQ command only) |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_cq, producer_counter, 0x04, 0, 16); |
| |
| /* cmd_mbox_sw2hw_cq_pa |
| * Physical Address. |
| */ |
| MLXSW_ITEM64_INDEXED(cmd_mbox, sw2hw_cq, pa, 0x10, 11, 53, 0x08, 0x00, true); |
| |
| /* HW2SW_CQ - Hardware to Software CQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == CQ number |
| * ------------------------------------- |
| * The HW2SW_CQ command transfers ownership of a CQ context entry from hardware |
| * to software. The CQC entry is invalidated as a result of this command. |
| */ |
| |
| static inline int mlxsw_cmd_hw2sw_cq(struct mlxsw_core *mlxsw_core, |
| u32 cq_number) |
| { |
| return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_HW2SW_CQ, |
| 0, cq_number); |
| } |
| |
| /* QUERY_CQ - Query CQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == CQ number |
| * ------------------------------------- |
| * The QUERY_CQ command retrieves a snapshot of the current CQ context entry. |
| * The command stores the snapshot in the output mailbox in the software format. |
| * Note that the CQ context state and values are not affected by the QUERY_CQ |
| * command. The QUERY_CQ command is for debug purposes only. |
| * |
| * Note: Output mailbox has the same format as SW2HW_CQ. |
| */ |
| |
| static inline int mlxsw_cmd_query_cq(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, u32 cq_number) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_CQ, |
| 0, cq_number, false, |
| out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* SW2HW_EQ - Software to Hardware EQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == EQ number |
| * ------------------------------------- |
| * The SW2HW_EQ command transfers ownership of an EQ context entry from software |
| * to hardware. The command takes the EQ context entry from the input mailbox |
| * and stores it in the EQC in the ownership of the hardware. The command fails |
| * if the requested EQC entry is already in the ownership of the hardware. |
| */ |
| |
| static inline int mlxsw_cmd_sw2hw_eq(struct mlxsw_core *mlxsw_core, |
| char *in_mbox, u32 eq_number) |
| { |
| return mlxsw_cmd_exec_in(mlxsw_core, MLXSW_CMD_OPCODE_SW2HW_EQ, |
| 0, eq_number, in_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| /* cmd_mbox_sw2hw_eq_int_msix |
| * When set, MSI-X cycles will be generated by this EQ. |
| * When cleared, an interrupt will be generated by this EQ. |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_eq, int_msix, 0x00, 24, 1); |
| |
| /* cmd_mbox_sw2hw_eq_st |
| * Event delivery state machine |
| * 0x0 - FIRED |
| * 0x1 - ARMED (Request for Notification) |
| * 0x11 - Always ARMED |
| * other - reserved |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_eq, st, 0x00, 8, 2); |
| |
| /* cmd_mbox_sw2hw_eq_log_eq_size |
| * Log (base 2) of the EQ size (in entries). |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_eq, log_eq_size, 0x00, 0, 4); |
| |
| /* cmd_mbox_sw2hw_eq_producer_counter |
| * Producer Counter. The counter is incremented for each EQE that is written |
| * by the HW to the EQ. |
| * Maintained by HW (valid for the QUERY_EQ command only) |
| */ |
| MLXSW_ITEM32(cmd_mbox, sw2hw_eq, producer_counter, 0x04, 0, 16); |
| |
| /* cmd_mbox_sw2hw_eq_pa |
| * Physical Address. |
| */ |
| MLXSW_ITEM64_INDEXED(cmd_mbox, sw2hw_eq, pa, 0x10, 11, 53, 0x08, 0x00, true); |
| |
| /* HW2SW_EQ - Hardware to Software EQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == EQ number |
| * ------------------------------------- |
| */ |
| |
| static inline int mlxsw_cmd_hw2sw_eq(struct mlxsw_core *mlxsw_core, |
| u32 eq_number) |
| { |
| return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_HW2SW_EQ, |
| 0, eq_number); |
| } |
| |
| /* QUERY_EQ - Query EQ |
| * ---------------------------------- |
| * OpMod == 0 (N/A), INMmod == EQ number |
| * ------------------------------------- |
| * |
| * Note: Output mailbox has the same format as SW2HW_EQ. |
| */ |
| |
| static inline int mlxsw_cmd_query_eq(struct mlxsw_core *mlxsw_core, |
| char *out_mbox, u32 eq_number) |
| { |
| return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_EQ, |
| 0, eq_number, false, |
| out_mbox, MLXSW_CMD_MBOX_SIZE); |
| } |
| |
| #endif |
