diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-trans.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 392 |
1 files changed, 233 insertions, 159 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index c70da7281551..a552669db6e2 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2005-2014, 2018-2023 Intel Corporation + * Copyright (C) 2005-2014, 2018-2025 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -109,23 +109,19 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt) * the response. The caller needs to call iwl_free_resp when done. * @CMD_SEND_IN_RFKILL: Send the command even if the NIC is in RF-kill. * @CMD_BLOCK_TXQS: Block TXQs while the comment is executing. - * @CMD_SEND_IN_D3: Allow the command to be sent in D3 mode, relevant to - * SUSPEND and RESUME commands. We are in D3 mode when we set - * trans->system_pm_mode to IWL_PLAT_PM_MODE_D3. */ enum CMD_MODE { CMD_ASYNC = BIT(0), CMD_WANT_SKB = BIT(1), CMD_SEND_IN_RFKILL = BIT(2), CMD_BLOCK_TXQS = BIT(3), - CMD_SEND_IN_D3 = BIT(4), }; #define CMD_MODE_BITS 5 #define DEF_CMD_PAYLOAD_SIZE 320 /** - * struct iwl_device_cmd + * struct iwl_device_cmd - device command structure * * For allocation of the command and tx queues, this establishes the overall * size of the largest command we send to uCode, except for commands that @@ -279,16 +275,6 @@ static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r) #define IWL_9000_MAX_RX_HW_QUEUES 1 /** - * enum iwl_d3_status - WoWLAN image/device status - * @IWL_D3_STATUS_ALIVE: firmware is still running after resume - * @IWL_D3_STATUS_RESET: device was reset while suspended - */ -enum iwl_d3_status { - IWL_D3_STATUS_ALIVE, - IWL_D3_STATUS_RESET, -}; - -/** * enum iwl_trans_status: transport status flags * @STATUS_SYNC_HCMD_ACTIVE: a SYNC command is being processed * @STATUS_DEVICE_ENABLED: APM is enabled @@ -298,8 +284,12 @@ enum iwl_d3_status { * @STATUS_RFKILL_OPMODE: RF-kill state reported to opmode * @STATUS_FW_ERROR: the fw is in error state * @STATUS_TRANS_DEAD: trans is dead - avoid any read/write operation - * @STATUS_SUPPRESS_CMD_ERROR_ONCE: suppress "FW error in SYNC CMD" once, - * e.g. for testing + * @STATUS_IN_SW_RESET: device is undergoing reset, cleared by opmode + * via iwl_trans_finish_sw_reset() + * @STATUS_RESET_PENDING: reset worker was scheduled, but didn't dump + * the firmware state yet + * @STATUS_TRANS_RESET_IN_PROGRESS: reset is still in progress, don't + * attempt another reset yet */ enum iwl_trans_status { STATUS_SYNC_HCMD_ACTIVE, @@ -310,7 +300,9 @@ enum iwl_trans_status { STATUS_RFKILL_OPMODE, STATUS_FW_ERROR, STATUS_TRANS_DEAD, - STATUS_SUPPRESS_CMD_ERROR_ONCE, + STATUS_IN_SW_RESET, + STATUS_RESET_PENDING, + STATUS_TRANS_RESET_IN_PROGRESS, }; static inline int @@ -382,7 +374,8 @@ struct iwl_dump_sanitize_ops { /** * struct iwl_trans_config - transport configuration * - * @op_mode: pointer to the upper layer. + * These values should be set before iwl_trans_op_mode_enter(). + * * @cmd_queue: the index of the command queue. * Must be set before start_fw. * @cmd_fifo: the fifo for host commands @@ -393,8 +386,6 @@ struct iwl_dump_sanitize_ops { * @n_no_reclaim_cmds: # of commands in list * @rx_buf_size: RX buffer size needed for A-MSDUs * if unset 4k will be the RX buffer size - * @bc_table_dword: set to true if the BC table expects the byte count to be - * in DWORD (as opposed to bytes) * @scd_set_active: should the transport configure the SCD for HCMD queue * @command_groups: array of command groups, each member is an array of the * commands in the group; for debugging only @@ -405,17 +396,24 @@ struct iwl_dump_sanitize_ops { * @queue_alloc_cmd_ver: queue allocation command version, set to 0 * for using the older SCD_QUEUE_CFG, set to the version of * SCD_QUEUE_CONFIG_CMD otherwise. + * @wide_cmd_header: true when ucode supports wide command header format + * @rx_mpdu_cmd: MPDU RX command ID, must be assigned by opmode before + * starting the firmware, used for tracing + * @rx_mpdu_cmd_hdr_size: used for tracing, amount of data before the + * start of the 802.11 header in the @rx_mpdu_cmd + * @dsbr_urm_fw_dependent: switch to URM based on fw settings + * @dsbr_urm_permanent: switch to URM permanently + * @mbx_addr_0_step: step address data 0 + * @mbx_addr_1_step: step address data 1 + * @ext_32khz_clock_valid: if true, the external 32 KHz clock can be used */ struct iwl_trans_config { - struct iwl_op_mode *op_mode; - u8 cmd_queue; u8 cmd_fifo; - const u8 *no_reclaim_cmds; - unsigned int n_no_reclaim_cmds; + u8 n_no_reclaim_cmds; + u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS]; enum iwl_amsdu_size rx_buf_size; - bool bc_table_dword; bool scd_set_active; const struct iwl_hcmd_arr *command_groups; int command_groups_size; @@ -423,6 +421,16 @@ struct iwl_trans_config { u8 cb_data_offs; bool fw_reset_handshake; u8 queue_alloc_cmd_ver; + + bool wide_cmd_header; + u8 rx_mpdu_cmd, rx_mpdu_cmd_hdr_size; + + u8 dsbr_urm_fw_dependent:1, + dsbr_urm_permanent:1, + ext_32khz_clock_valid:1; + + u32 mbx_addr_0_step; + u32 mbx_addr_1_step; }; struct iwl_trans_dump_data { @@ -508,24 +516,7 @@ enum iwl_trans_state { */ /** - * enum iwl_plat_pm_mode - platform power management mode - * - * This enumeration describes the device's platform power management - * behavior when in system-wide suspend (i.e WoWLAN). - * - * @IWL_PLAT_PM_MODE_DISABLED: power management is disabled for this - * device. In system-wide suspend mode, it means that the all - * connections will be closed automatically by mac80211 before - * the platform is suspended. - * @IWL_PLAT_PM_MODE_D3: the device goes into D3 mode (i.e. WoWLAN). - */ -enum iwl_plat_pm_mode { - IWL_PLAT_PM_MODE_DISABLED, - IWL_PLAT_PM_MODE_D3, -}; - -/** - * enum iwl_ini_cfg_state + * enum iwl_ini_cfg_state - debug config state * @IWL_INI_CFG_STATE_NOT_LOADED: no debug cfg was given * @IWL_INI_CFG_STATE_LOADED: debug cfg was found and loaded * @IWL_INI_CFG_STATE_CORRUPTED: debug cfg was found and some of the TLVs @@ -541,7 +532,7 @@ enum iwl_ini_cfg_state { #define IWL_TRANS_NMI_TIMEOUT (HZ / 4) /** - * struct iwl_dram_data + * struct iwl_dram_data - DRAM data descriptor * @physical: page phy pointer * @block: pointer to the allocated block/page * @size: size of the block/page @@ -628,8 +619,6 @@ struct iwl_pc_data { * @n_dest_reg: num of reg_ops in %dbg_dest_tlv * @rec_on: true iff there is a fw debug recording currently active * @dest_tlv: points to the destination TLV for debug - * @conf_tlv: array of pointers to configuration TLVs for debug - * @trigger_tlv: array of pointers to triggers TLVs for debug * @lmac_error_event_table: addrs of lmacs error tables * @umac_error_event_table: addr of umac error table * @tcm_error_event_table: address(es) of TCM error table(s) @@ -653,8 +642,6 @@ struct iwl_pc_data { * @restart_required: indicates debug restart is required * @last_tp_resetfw: last handling of reset during debug timepoint * @imr_data: IMR debug data allocation - * @dump_file_name_ext: dump file name extension - * @dump_file_name_ext_valid: dump file name extension if valid or not * @num_pc: number of program counter for cpu * @pc_data: details of the program counter * @yoyo_bin_loaded: tells if a yoyo debug file has been loaded @@ -664,8 +651,6 @@ struct iwl_trans_debug { bool rec_on; const struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv; - const struct iwl_fw_dbg_conf_tlv *conf_tlv[FW_DBG_CONF_MAX]; - struct iwl_fw_dbg_trigger_tlv * const *trigger_tlv; u32 lmac_error_event_table[2]; u32 umac_error_event_table; @@ -695,8 +680,6 @@ struct iwl_trans_debug { bool restart_required; u32 last_tp_resetfw; struct iwl_imr_data imr_data; - u8 dump_file_name_ext[IWL_FW_INI_MAX_NAME]; - bool dump_file_name_ext_valid; u32 num_pc; struct iwl_pc_data *pc_data; bool yoyo_bin_loaded; @@ -818,113 +801,92 @@ struct iwl_txq { }; /** + * struct iwl_trans_info - transport info for outside use + * @name: the device name + * @max_skb_frags: maximum number of fragments an SKB can have when transmitted. + * 0 indicates that frag SKBs (NETIF_F_SG) aren't supported. + * @hw_rev: the revision data of the HW + * @hw_rev_step: The mac step of the HW + * @hw_rf_id: the device RF ID + * @hw_cnv_id: the device CNV ID + * @hw_crf_id: the device CRF ID + * @hw_id: the ID of the device / sub-device + * Bits 0:15 represent the sub-device ID + * Bits 16:31 represent the device ID. + * @pcie_link_speed: current PCIe link speed (%PCI_EXP_LNKSTA_CLS_*), + * only valid for discrete (not integrated) NICs + * @num_rxqs: number of RX queues allocated by the transport + */ +struct iwl_trans_info { + const char *name; + u32 max_skb_frags; + u32 hw_rev; + u32 hw_rev_step; + u32 hw_rf_id; + u32 hw_crf_id; + u32 hw_cnv_id; + u32 hw_id; + u8 pcie_link_speed; + u8 num_rxqs; +}; + +/** * struct iwl_trans - transport common data * * @csme_own: true if we couldn't get ownership on the device * @op_mode: pointer to the op_mode - * @trans_cfg: the trans-specific configuration part + * @mac_cfg: the trans-specific configuration part * @cfg: pointer to the configuration * @drv: pointer to iwl_drv + * @conf: configuration set by the opmode before enter * @state: current device state * @status: a bit-mask of transport status flags * @dev: pointer to struct device * that represents the device - * @max_skb_frags: maximum number of fragments an SKB can have when transmitted. - * 0 indicates that frag SKBs (NETIF_F_SG) aren't supported. - * @hw_rf_id: a u32 with the device RF ID - * @hw_cnv_id: a u32 with the device CNV ID - * @hw_crf_id: a u32 with the device CRF ID - * @hw_wfpm_id: a u32 with the device wfpm ID - * @hw_id: a u32 with the ID of the device / sub-device. - * Set during transport allocation. - * @hw_id_str: a string with info about HW ID. Set during transport allocation. - * @sku_id: the SKU identifier (for PNVM matching) + * @info: device information for use by other layers * @pnvm_loaded: indicates PNVM was loaded - * @hw_rev: the revision data of the HW - * @hw_rev_step: The mac step of the HW - * @pm_support: set to true in start_hw if link pm is supported - * @ltr_enabled: set to true if the LTR is enabled + * @suppress_cmd_error_once: suppress "FW error in SYNC CMD" once, + * e.g. for testing * @fail_to_parse_pnvm_image: set to true if pnvm parsing failed * @reduce_power_loaded: indicates reduced power section was loaded * @failed_to_load_reduce_power_image: set to true if pnvm loading failed - * @command_groups: pointer to command group name list array - * @command_groups_size: array size of @command_groups - * @wide_cmd_header: true when ucode supports wide command header format - * @wait_command_queue: wait queue for sync commands - * @num_rx_queues: number of RX queues allocated by the transport; - * the transport must set this before calling iwl_drv_start() - * @iml_len: the length of the image loader - * @iml: a pointer to the image loader itself - * @dev_cmd_pool: pool for Tx cmd allocation - for internal use only. - * The user should use iwl_trans_{alloc,free}_tx_cmd. - * @dev_cmd_pool_name: name for the TX command allocation pool * @dbgfs_dir: iwlwifi debugfs base dir for this device * @sync_cmd_lockdep_map: lockdep map for checking sync commands - * @rx_mpdu_cmd: MPDU RX command ID, must be assigned by opmode before - * starting the firmware, used for tracing - * @rx_mpdu_cmd_hdr_size: used for tracing, amount of data before the - * start of the 802.11 header in the @rx_mpdu_cmd * @dbg: additional debug data, see &struct iwl_trans_debug * @init_dram: FW initialization DMA data - * @system_pm_mode: the system-wide power management mode in use. - * This mode is set dynamically, depending on the WoWLAN values - * configured from the userspace at runtime. - * @name: the device name - * @mbx_addr_0_step: step address data 0 - * @mbx_addr_1_step: step address data 1 - * @pcie_link_speed: current PCIe link speed (%PCI_EXP_LNKSTA_CLS_*), - * only valid for discrete (not integrated) NICs - * @invalid_tx_cmd: invalid TX command buffer * @reduced_cap_sku: reduced capability supported SKU - * @no_160: device not supporting 160 MHz * @step_urm: STEP is in URM, no support for MCS>9 in 320 MHz + * @restart: restart worker data + * @restart.wk: restart worker + * @restart.mode: reset/restart error mode information + * @restart.during_reset: error occurred during previous software reset * @trans_specific: data for the specific transport this is allocated for/with + * @request_top_reset: TOP reset was requested, used by the reset + * worker that should be scheduled (with appropriate reason) + * @do_top_reset: indication to the (PCIe) transport/context-info + * to do the TOP reset */ struct iwl_trans { bool csme_own; struct iwl_op_mode *op_mode; - const struct iwl_cfg_trans_params *trans_cfg; - const struct iwl_cfg *cfg; + const struct iwl_mac_cfg *mac_cfg; + const struct iwl_rf_cfg *cfg; struct iwl_drv *drv; + struct iwl_trans_config conf; enum iwl_trans_state state; unsigned long status; struct device *dev; - u32 max_skb_frags; - u32 hw_rev; - u32 hw_rev_step; - u32 hw_rf_id; - u32 hw_crf_id; - u32 hw_cnv_id; - u32 hw_wfpm_id; - u32 hw_id; - char hw_id_str[52]; - u32 sku_id[3]; - bool reduced_cap_sku; - u8 no_160:1, step_urm:1; - u8 rx_mpdu_cmd, rx_mpdu_cmd_hdr_size; + const struct iwl_trans_info info; + bool reduced_cap_sku; + bool step_urm; + bool suppress_cmd_error_once; - bool pm_support; - bool ltr_enabled; u8 pnvm_loaded:1; u8 fail_to_parse_pnvm_image:1; u8 reduce_power_loaded:1; u8 failed_to_load_reduce_power_image:1; - const struct iwl_hcmd_arr *command_groups; - int command_groups_size; - bool wide_cmd_header; - - wait_queue_head_t wait_command_queue; - u8 num_rx_queues; - - size_t iml_len; - u8 *iml; - - /* The following fields are internal only */ - struct kmem_cache *dev_cmd_pool; - char dev_cmd_pool_name[50]; - struct dentry *dbgfs_dir; #ifdef CONFIG_LOCKDEP @@ -934,15 +896,14 @@ struct iwl_trans { struct iwl_trans_debug dbg; struct iwl_self_init_dram init_dram; - enum iwl_plat_pm_mode system_pm_mode; - - const char *name; - u32 mbx_addr_0_step; - u32 mbx_addr_1_step; - - u8 pcie_link_speed; + struct { + struct delayed_work wk; + struct iwl_fw_error_dump_mode mode; + bool during_reset; + } restart; - struct iwl_dma_ptr invalid_tx_cmd; + u8 request_top_reset:1, + do_top_reset:1; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ @@ -950,45 +911,36 @@ struct iwl_trans { }; const char *iwl_get_cmd_string(struct iwl_trans *trans, u32 id); -int iwl_cmd_groups_verify_sorted(const struct iwl_trans_config *trans); -void iwl_trans_configure(struct iwl_trans *trans, - const struct iwl_trans_config *trans_cfg); +void iwl_trans_op_mode_enter(struct iwl_trans *trans, + struct iwl_op_mode *op_mode); int iwl_trans_start_hw(struct iwl_trans *trans); void iwl_trans_op_mode_leave(struct iwl_trans *trans); -void iwl_trans_fw_alive(struct iwl_trans *trans, u32 scd_addr); +void iwl_trans_fw_alive(struct iwl_trans *trans); -int iwl_trans_start_fw(struct iwl_trans *trans, const struct fw_img *fw, - bool run_in_rfkill); +int iwl_trans_start_fw(struct iwl_trans *trans, const struct iwl_fw *fw, + enum iwl_ucode_type ucode_type, bool run_in_rfkill); void iwl_trans_stop_device(struct iwl_trans *trans); -int iwl_trans_d3_suspend(struct iwl_trans *trans, bool test, bool reset); +int iwl_trans_d3_suspend(struct iwl_trans *trans, bool reset); -int iwl_trans_d3_resume(struct iwl_trans *trans, enum iwl_d3_status *status, - bool test, bool reset); +int iwl_trans_d3_resume(struct iwl_trans *trans, bool reset); struct iwl_trans_dump_data * iwl_trans_dump_data(struct iwl_trans *trans, u32 dump_mask, const struct iwl_dump_sanitize_ops *sanitize_ops, void *sanitize_ctx); -static inline struct iwl_device_tx_cmd * -iwl_trans_alloc_tx_cmd(struct iwl_trans *trans) -{ - return kmem_cache_zalloc(trans->dev_cmd_pool, GFP_ATOMIC); -} +struct iwl_device_tx_cmd *iwl_trans_alloc_tx_cmd(struct iwl_trans *trans); int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); -static inline void iwl_trans_free_tx_cmd(struct iwl_trans *trans, - struct iwl_device_tx_cmd *dev_cmd) -{ - kmem_cache_free(trans->dev_cmd_pool, dev_cmd); -} +void iwl_trans_free_tx_cmd(struct iwl_trans *trans, + struct iwl_device_tx_cmd *dev_cmd); int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, struct iwl_device_tx_cmd *dev_cmd, int queue); @@ -1106,7 +1058,7 @@ static inline u32 iwl_trans_write_mem32(struct iwl_trans *trans, u32 addr, void iwl_trans_set_pmi(struct iwl_trans *trans, bool state); -int iwl_trans_sw_reset(struct iwl_trans *trans, bool retake_ownership); +int iwl_trans_sw_reset(struct iwl_trans *trans); void iwl_trans_set_bits_mask(struct iwl_trans *trans, u32 reg, u32 mask, u32 value); @@ -1120,7 +1072,31 @@ bool _iwl_trans_grab_nic_access(struct iwl_trans *trans); void __releases(nic_access) iwl_trans_release_nic_access(struct iwl_trans *trans); -static inline void iwl_trans_fw_error(struct iwl_trans *trans, bool sync) +static inline void iwl_trans_schedule_reset(struct iwl_trans *trans, + enum iwl_fw_error_type type) +{ + if (test_bit(STATUS_TRANS_DEAD, &trans->status)) + return; + /* clear this on device init, not cleared on any unbind/reprobe */ + if (test_and_set_bit(STATUS_TRANS_RESET_IN_PROGRESS, &trans->status)) + return; + + trans->restart.mode.type = type; + trans->restart.mode.context = IWL_ERR_CONTEXT_WORKER; + + set_bit(STATUS_RESET_PENDING, &trans->status); + + /* + * keep track of whether or not this happened while resetting, + * by the timer the worker runs it might have finished + */ + trans->restart.during_reset = test_bit(STATUS_IN_SW_RESET, + &trans->status); + queue_delayed_work(system_unbound_wq, &trans->restart.wk, 0); +} + +static inline void iwl_trans_fw_error(struct iwl_trans *trans, + enum iwl_fw_error_type type) { if (WARN_ON_ONCE(!trans->op_mode)) return; @@ -1128,10 +1104,27 @@ static inline void iwl_trans_fw_error(struct iwl_trans *trans, bool sync) /* prevent double restarts due to the same erroneous FW */ if (!test_and_set_bit(STATUS_FW_ERROR, &trans->status)) { trans->state = IWL_TRANS_NO_FW; - iwl_op_mode_nic_error(trans->op_mode, sync); + iwl_op_mode_nic_error(trans->op_mode, type); + iwl_trans_schedule_reset(trans, type); } } +static inline void iwl_trans_opmode_sw_reset(struct iwl_trans *trans, + enum iwl_fw_error_type type) +{ + if (WARN_ON_ONCE(!trans->op_mode)) + return; + + set_bit(STATUS_IN_SW_RESET, &trans->status); + + if (WARN_ON(type == IWL_ERR_TYPE_TOP_RESET_BY_BT)) + return; + + if (!trans->op_mode->ops->sw_reset || + !trans->op_mode->ops->sw_reset(trans->op_mode, type)) + clear_bit(STATUS_IN_SW_RESET, &trans->status); +} + static inline bool iwl_trans_fw_running(struct iwl_trans *trans) { return trans->state == IWL_TRANS_FW_ALIVE; @@ -1164,13 +1157,17 @@ static inline bool iwl_trans_dbg_ini_valid(struct iwl_trans *trans) void iwl_trans_interrupts(struct iwl_trans *trans, bool enable); +static inline void iwl_trans_finish_sw_reset(struct iwl_trans *trans) +{ + clear_bit(STATUS_IN_SW_RESET, &trans->status); +} + /***************************************************** * transport helper functions *****************************************************/ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, - struct device *dev, - const struct iwl_cfg_trans_params *cfg_trans); -int iwl_trans_init(struct iwl_trans *trans); + struct device *dev, + const struct iwl_mac_cfg *mac_cfg); void iwl_trans_free(struct iwl_trans *trans); static inline bool iwl_trans_is_hw_error_value(u32 val) @@ -1178,14 +1175,91 @@ static inline bool iwl_trans_is_hw_error_value(u32 val) return ((val & ~0xf) == 0xa5a5a5a0) || ((val & ~0xf) == 0x5a5a5a50); } +void iwl_trans_free_restart_list(void); + +static inline u16 iwl_trans_get_num_rbds(struct iwl_trans *trans) +{ + u16 result = trans->cfg->num_rbds; + + /* + * Since AX210 family (So/Ty) the device cannot put mutliple + * frames into the same buffer, so double the value for them. + */ + if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) + return 2 * result; + return result; +} + +static inline bool iwl_trans_device_enabled(struct iwl_trans *trans) +{ + return test_bit(STATUS_DEVICE_ENABLED, &trans->status); +} + +static inline bool iwl_trans_is_dead(struct iwl_trans *trans) +{ + return test_bit(STATUS_TRANS_DEAD, &trans->status); +} + +static inline bool iwl_trans_is_fw_error(struct iwl_trans *trans) +{ + return test_bit(STATUS_FW_ERROR, &trans->status); +} + +/* + * This function notifies the transport layer of firmware error, the recovery + * will be handled by the op mode + */ +static inline void iwl_trans_notify_fw_error(struct iwl_trans *trans) +{ + trans->state = IWL_TRANS_NO_FW; + set_bit(STATUS_FW_ERROR, &trans->status); +} /***************************************************** * PCIe handling *****************************************************/ int __must_check iwl_pci_register_driver(void); void iwl_pci_unregister_driver(void); -void iwl_trans_pcie_remove(struct iwl_trans *trans, bool rescan); + +/* Note: order matters */ +enum iwl_reset_mode { + /* upper level modes: */ + IWL_RESET_MODE_SW_RESET, + IWL_RESET_MODE_REPROBE, + /* TOP reset doesn't require PCIe remove */ + IWL_RESET_MODE_TOP_RESET, + /* PCIE level modes: */ + IWL_RESET_MODE_REMOVE_ONLY, + IWL_RESET_MODE_RESCAN, + IWL_RESET_MODE_FUNC_RESET, + IWL_RESET_MODE_PROD_RESET, + + /* keep last - special backoff value */ + IWL_RESET_MODE_BACKOFF, +}; + +void iwl_trans_pcie_reset(struct iwl_trans *trans, enum iwl_reset_mode mode); +void iwl_trans_pcie_fw_reset_handshake(struct iwl_trans *trans); int iwl_trans_pcie_send_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); +/* Internal helper */ +static inline void iwl_trans_set_info(struct iwl_trans *trans, + struct iwl_trans_info *info) +{ + struct iwl_trans_info *write; + + write = (void *)(uintptr_t)&trans->info; + *write = *info; +} + +static inline u16 iwl_trans_get_device_id(struct iwl_trans *trans) +{ + return u32_get_bits(trans->info.hw_id, GENMASK(31, 16)); +} + +bool iwl_trans_is_pm_supported(struct iwl_trans *trans); + +bool iwl_trans_is_ltr_enabled(struct iwl_trans *trans); + #endif /* __iwl_trans_h__ */ |