/*
* drivers/net/ethernet/mellanox/mlxsw/cmd.h
* Copyright (c) 2015 Mellanox Technologies. All rights reserved.
* Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
* Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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,
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,
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, 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,
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,
/* 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_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 max CQEs allowed on CQ.
*/
MLXSW_ITEM32(cmd_mbox, query_aq_cap, log_max_cq_sz, 0x08, 24, 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_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);
/* 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,
char *in_mbox, char *out_mbox)
{
return mlxsw_cmd_exec(mlxsw_core, MLXSW_CMD_OPCODE_ACCESS_REG,
0, 0, false, 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);
}
/* cmd_mbox_sw2hw_cq_cv
* CQE Version.
* 0 - CQE Version 0, 1 - CQE Version 1
*/
MLXSW_ITEM32(cmd_mbox, sw2hw_cq, cv, 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_oi
* When set, overrun ignore is enabled. When set, updates of
* CQ consumer counter (poll for completion) or Request completion
* notifications (Arm CQ) DoorBells should not be rung on that CQ.
*/
MLXSW_ITEM32(cmd_mbox, sw2hw_cq, oi, 0x00, 12, 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_int_oi
* When set, overrun ignore is enabled.
*/
MLXSW_ITEM32(cmd_mbox, sw2hw_eq, oi, 0x00, 12, 1);
/* cmd_mbox_sw2hw_eq_int_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_int_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_int_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_int_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