diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-trans.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.c | 671 |
1 files changed, 604 insertions, 67 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c index f95098c21c7d..47854a36413e 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c @@ -2,27 +2,215 @@ /* * Copyright (C) 2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2019-2021, 2023 Intel Corporation + * Copyright (C) 2019-2021, 2023-2024 Intel Corporation */ #include <linux/kernel.h> #include <linux/bsearch.h> +#include <linux/list.h> #include "fw/api/tx.h" #include "iwl-trans.h" #include "iwl-drv.h" #include "iwl-fh.h" -#include "queue/tx.h" #include <linux/dmapool.h> #include "fw/api/commands.h" +#include "pcie/internal.h" +#include "iwl-context-info-gen3.h" + +struct iwl_trans_dev_restart_data { + struct list_head list; + unsigned int restart_count; + time64_t last_error; + char name[]; +}; + +static LIST_HEAD(restart_data_list); +static DEFINE_SPINLOCK(restart_data_lock); + +static struct iwl_trans_dev_restart_data * +iwl_trans_get_restart_data(struct device *dev) +{ + struct iwl_trans_dev_restart_data *tmp, *data = NULL; + const char *name = dev_name(dev); + + spin_lock(&restart_data_lock); + list_for_each_entry(tmp, &restart_data_list, list) { + if (strcmp(tmp->name, name)) + continue; + data = tmp; + break; + } + spin_unlock(&restart_data_lock); + + if (data) + return data; + + data = kzalloc(struct_size(data, name, strlen(name) + 1), GFP_ATOMIC); + if (!data) + return NULL; + + strcpy(data->name, name); + spin_lock(&restart_data_lock); + list_add_tail(&data->list, &restart_data_list); + spin_unlock(&restart_data_lock); + + return data; +} + +static void iwl_trans_inc_restart_count(struct device *dev) +{ + struct iwl_trans_dev_restart_data *data; + + data = iwl_trans_get_restart_data(dev); + if (data) { + data->last_error = ktime_get_boottime_seconds(); + data->restart_count++; + } +} + +void iwl_trans_free_restart_list(void) +{ + struct iwl_trans_dev_restart_data *tmp; + + while ((tmp = list_first_entry_or_null(&restart_data_list, + typeof(*tmp), list))) { + list_del(&tmp->list); + kfree(tmp); + } +} + +struct iwl_trans_reprobe { + struct device *dev; + struct work_struct work; +}; + +static void iwl_trans_reprobe_wk(struct work_struct *wk) +{ + struct iwl_trans_reprobe *reprobe; + + reprobe = container_of(wk, typeof(*reprobe), work); + + if (device_reprobe(reprobe->dev)) + dev_err(reprobe->dev, "reprobe failed!\n"); + put_device(reprobe->dev); + kfree(reprobe); + module_put(THIS_MODULE); +} + +#define IWL_TRANS_RESET_OK_TIME 180 /* seconds */ + +static enum iwl_reset_mode +iwl_trans_determine_restart_mode(struct iwl_trans *trans) +{ + struct iwl_trans_dev_restart_data *data; + enum iwl_reset_mode at_least = 0; + unsigned int index; + static const enum iwl_reset_mode escalation_list[] = { + IWL_RESET_MODE_SW_RESET, + IWL_RESET_MODE_REPROBE, + IWL_RESET_MODE_REPROBE, + IWL_RESET_MODE_FUNC_RESET, + /* FIXME: add TOP reset */ + IWL_RESET_MODE_PROD_RESET, + /* FIXME: add TOP reset */ + IWL_RESET_MODE_PROD_RESET, + /* FIXME: add TOP reset */ + IWL_RESET_MODE_PROD_RESET, + }; + + if (trans->restart.during_reset) + at_least = IWL_RESET_MODE_REPROBE; + + data = iwl_trans_get_restart_data(trans->dev); + if (!data) + return at_least; + + if (ktime_get_boottime_seconds() - data->last_error >= + IWL_TRANS_RESET_OK_TIME) + data->restart_count = 0; + + index = data->restart_count; + if (index >= ARRAY_SIZE(escalation_list)) + index = ARRAY_SIZE(escalation_list) - 1; + + return max(at_least, escalation_list[index]); +} + +#define IWL_TRANS_RESET_DELAY (HZ * 60) + +static void iwl_trans_restart_wk(struct work_struct *wk) +{ + struct iwl_trans *trans = container_of(wk, typeof(*trans), restart.wk); + struct iwl_trans_reprobe *reprobe; + enum iwl_reset_mode mode; + + if (!trans->op_mode) + return; + + /* might have been scheduled before marked as dead, re-check */ + if (test_bit(STATUS_TRANS_DEAD, &trans->status)) + return; + + iwl_op_mode_dump_error(trans->op_mode, &trans->restart.mode); + + /* + * If the opmode stopped the device while we were trying to dump and + * reset, then we'll have done the dump already (synchronized by the + * opmode lock that it will acquire in iwl_op_mode_dump_error()) and + * managed that via trans->restart.mode. + * Additionally, make sure that in such a case we won't attempt to do + * any resets now, since it's no longer requested. + */ + if (!test_and_clear_bit(STATUS_RESET_PENDING, &trans->status)) + return; + + if (!iwlwifi_mod_params.fw_restart) + return; + + mode = iwl_trans_determine_restart_mode(trans); + + iwl_trans_inc_restart_count(trans->dev); + + switch (mode) { + case IWL_RESET_MODE_SW_RESET: + IWL_ERR(trans, "Device error - SW reset\n"); + iwl_trans_opmode_sw_reset(trans, trans->restart.mode.type); + break; + case IWL_RESET_MODE_REPROBE: + IWL_ERR(trans, "Device error - reprobe!\n"); + + /* + * get a module reference to avoid doing this while unloading + * anyway and to avoid scheduling a work with code that's + * being removed. + */ + if (!try_module_get(THIS_MODULE)) { + IWL_ERR(trans, "Module is being unloaded - abort\n"); + return; + } + + reprobe = kzalloc(sizeof(*reprobe), GFP_KERNEL); + if (!reprobe) { + module_put(THIS_MODULE); + return; + } + reprobe->dev = get_device(trans->dev); + INIT_WORK(&reprobe->work, iwl_trans_reprobe_wk); + schedule_work(&reprobe->work); + break; + default: + iwl_trans_pcie_reset(trans, mode); + break; + } +} struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, struct device *dev, - const struct iwl_trans_ops *ops, const struct iwl_cfg_trans_params *cfg_trans) { struct iwl_trans *trans; #ifdef CONFIG_LOCKDEP - static struct lock_class_key __key; + static struct lock_class_key __sync_cmd_key; #endif trans = devm_kzalloc(dev, sizeof(*trans) + priv_size, GFP_KERNEL); @@ -33,25 +221,13 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size, #ifdef CONFIG_LOCKDEP lockdep_init_map(&trans->sync_cmd_lockdep_map, "sync_cmd_lockdep_map", - &__key, 0); + &__sync_cmd_key, 0); #endif trans->dev = dev; - trans->ops = ops; trans->num_rx_queues = 1; - WARN_ON(!ops->wait_txq_empty && !ops->wait_tx_queues_empty); - - if (trans->trans_cfg->gen2) { - trans->txqs.tfd.addr_size = 64; - trans->txqs.tfd.max_tbs = IWL_TFH_NUM_TBS; - trans->txqs.tfd.size = sizeof(struct iwl_tfh_tfd); - } else { - trans->txqs.tfd.addr_size = 36; - trans->txqs.tfd.max_tbs = IWL_NUM_OF_TBS; - trans->txqs.tfd.size = sizeof(struct iwl_tfd); - } - trans->max_skb_frags = IWL_TRANS_MAX_FRAGS(trans); + INIT_WORK(&trans->restart.wk, iwl_trans_restart_wk); return trans; } @@ -78,31 +254,6 @@ int iwl_trans_init(struct iwl_trans *trans) if (WARN_ON(trans->trans_cfg->gen2 && txcmd_size >= txcmd_align)) return -EINVAL; - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) - trans->txqs.bc_tbl_size = - sizeof(struct iwl_gen3_bc_tbl_entry) * TFD_QUEUE_BC_SIZE_GEN3_BZ; - else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) - trans->txqs.bc_tbl_size = - sizeof(struct iwl_gen3_bc_tbl_entry) * TFD_QUEUE_BC_SIZE_GEN3_AX210; - else - trans->txqs.bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl); - /* - * For gen2 devices, we use a single allocation for each byte-count - * table, but they're pretty small (1k) so use a DMA pool that we - * allocate here. - */ - if (trans->trans_cfg->gen2) { - trans->txqs.bc_pool = dmam_pool_create("iwlwifi:bc", trans->dev, - trans->txqs.bc_tbl_size, - 256, 0); - if (!trans->txqs.bc_pool) - return -ENOMEM; - } - - /* Some things must not change even if the config does */ - WARN_ON(trans->txqs.tfd.addr_size != - (trans->trans_cfg->gen2 ? 64 : 36)); - snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name), "iwl_cmd_pool:%s", dev_name(trans->dev)); trans->dev_cmd_pool = @@ -112,12 +263,6 @@ int iwl_trans_init(struct iwl_trans *trans) if (!trans->dev_cmd_pool) return -ENOMEM; - trans->txqs.tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page); - if (!trans->txqs.tso_hdr_page) { - kmem_cache_destroy(trans->dev_cmd_pool); - return -ENOMEM; - } - /* Initialize the wait queue for commands */ init_waitqueue_head(&trans->wait_command_queue); @@ -126,20 +271,7 @@ int iwl_trans_init(struct iwl_trans *trans) void iwl_trans_free(struct iwl_trans *trans) { - int i; - - if (trans->txqs.tso_hdr_page) { - for_each_possible_cpu(i) { - struct iwl_tso_hdr_page *p = - per_cpu_ptr(trans->txqs.tso_hdr_page, i); - - if (p && p->page) - __free_page(p->page); - } - - free_percpu(trans->txqs.tso_hdr_page); - } - + cancel_work_sync(&trans->restart.wk); kmem_cache_destroy(trans->dev_cmd_pool); } @@ -167,10 +299,9 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (unlikely(test_bit(STATUS_FW_ERROR, &trans->status))) return -EIO; - if (unlikely(trans->state != IWL_TRANS_FW_ALIVE)) { - IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state); + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) return -EIO; - } if (!(cmd->flags & CMD_ASYNC)) lock_map_acquire_read(&trans->sync_cmd_lockdep_map); @@ -180,7 +311,7 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) cmd->id = DEF_ID(cmd->id); } - ret = iwl_trans_txq_send_hcmd(trans, cmd); + ret = iwl_trans_pcie_send_hcmd(trans, cmd); if (!(cmd->flags & CMD_ASYNC)) lock_map_release(&trans->sync_cmd_lockdep_map); @@ -247,3 +378,409 @@ int iwl_cmd_groups_verify_sorted(const struct iwl_trans_config *trans) return 0; } IWL_EXPORT_SYMBOL(iwl_cmd_groups_verify_sorted); + +void iwl_trans_configure(struct iwl_trans *trans, + const struct iwl_trans_config *trans_cfg) +{ + trans->op_mode = trans_cfg->op_mode; + + iwl_trans_pcie_configure(trans, trans_cfg); + WARN_ON(iwl_cmd_groups_verify_sorted(trans_cfg)); +} +IWL_EXPORT_SYMBOL(iwl_trans_configure); + +int iwl_trans_start_hw(struct iwl_trans *trans) +{ + might_sleep(); + + return iwl_trans_pcie_start_hw(trans); +} +IWL_EXPORT_SYMBOL(iwl_trans_start_hw); + +void iwl_trans_op_mode_leave(struct iwl_trans *trans) +{ + might_sleep(); + + iwl_trans_pcie_op_mode_leave(trans); + + cancel_work_sync(&trans->restart.wk); + + trans->op_mode = NULL; + + trans->state = IWL_TRANS_NO_FW; +} +IWL_EXPORT_SYMBOL(iwl_trans_op_mode_leave); + +void iwl_trans_write8(struct iwl_trans *trans, u32 ofs, u8 val) +{ + iwl_trans_pcie_write8(trans, ofs, val); +} +IWL_EXPORT_SYMBOL(iwl_trans_write8); + +void iwl_trans_write32(struct iwl_trans *trans, u32 ofs, u32 val) +{ + iwl_trans_pcie_write32(trans, ofs, val); +} +IWL_EXPORT_SYMBOL(iwl_trans_write32); + +u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs) +{ + return iwl_trans_pcie_read32(trans, ofs); +} +IWL_EXPORT_SYMBOL(iwl_trans_read32); + +u32 iwl_trans_read_prph(struct iwl_trans *trans, u32 ofs) +{ + return iwl_trans_pcie_read_prph(trans, ofs); +} +IWL_EXPORT_SYMBOL(iwl_trans_read_prph); + +void iwl_trans_write_prph(struct iwl_trans *trans, u32 ofs, u32 val) +{ + return iwl_trans_pcie_write_prph(trans, ofs, val); +} +IWL_EXPORT_SYMBOL(iwl_trans_write_prph); + +int iwl_trans_read_mem(struct iwl_trans *trans, u32 addr, + void *buf, int dwords) +{ + return iwl_trans_pcie_read_mem(trans, addr, buf, dwords); +} +IWL_EXPORT_SYMBOL(iwl_trans_read_mem); + +int iwl_trans_write_mem(struct iwl_trans *trans, u32 addr, + const void *buf, int dwords) +{ + return iwl_trans_pcie_write_mem(trans, addr, buf, dwords); +} +IWL_EXPORT_SYMBOL(iwl_trans_write_mem); + +void iwl_trans_set_pmi(struct iwl_trans *trans, bool state) +{ + if (state) + set_bit(STATUS_TPOWER_PMI, &trans->status); + else + clear_bit(STATUS_TPOWER_PMI, &trans->status); +} +IWL_EXPORT_SYMBOL(iwl_trans_set_pmi); + +int iwl_trans_sw_reset(struct iwl_trans *trans, bool retake_ownership) +{ + return iwl_trans_pcie_sw_reset(trans, retake_ownership); +} +IWL_EXPORT_SYMBOL(iwl_trans_sw_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) +{ + return iwl_trans_pcie_dump_data(trans, dump_mask, + sanitize_ops, sanitize_ctx); +} +IWL_EXPORT_SYMBOL(iwl_trans_dump_data); + +int iwl_trans_d3_suspend(struct iwl_trans *trans, bool test, bool reset) +{ + might_sleep(); + + return iwl_trans_pcie_d3_suspend(trans, test, reset); +} +IWL_EXPORT_SYMBOL(iwl_trans_d3_suspend); + +int iwl_trans_d3_resume(struct iwl_trans *trans, enum iwl_d3_status *status, + bool test, bool reset) +{ + might_sleep(); + + return iwl_trans_pcie_d3_resume(trans, status, test, reset); +} +IWL_EXPORT_SYMBOL(iwl_trans_d3_resume); + +void iwl_trans_interrupts(struct iwl_trans *trans, bool enable) +{ + iwl_trans_pci_interrupts(trans, enable); +} +IWL_EXPORT_SYMBOL(iwl_trans_interrupts); + +void iwl_trans_sync_nmi(struct iwl_trans *trans) +{ + iwl_trans_pcie_sync_nmi(trans); +} +IWL_EXPORT_SYMBOL(iwl_trans_sync_nmi); + +int iwl_trans_write_imr_mem(struct iwl_trans *trans, u32 dst_addr, + u64 src_addr, u32 byte_cnt) +{ + return iwl_trans_pcie_copy_imr(trans, dst_addr, src_addr, byte_cnt); +} +IWL_EXPORT_SYMBOL(iwl_trans_write_imr_mem); + +void iwl_trans_set_bits_mask(struct iwl_trans *trans, u32 reg, + u32 mask, u32 value) +{ + iwl_trans_pcie_set_bits_mask(trans, reg, mask, value); +} +IWL_EXPORT_SYMBOL(iwl_trans_set_bits_mask); + +int iwl_trans_read_config32(struct iwl_trans *trans, u32 ofs, + u32 *val) +{ + return iwl_trans_pcie_read_config32(trans, ofs, val); +} +IWL_EXPORT_SYMBOL(iwl_trans_read_config32); + +bool _iwl_trans_grab_nic_access(struct iwl_trans *trans) +{ + return iwl_trans_pcie_grab_nic_access(trans); +} +IWL_EXPORT_SYMBOL(_iwl_trans_grab_nic_access); + +void __releases(nic_access) +iwl_trans_release_nic_access(struct iwl_trans *trans) +{ + iwl_trans_pcie_release_nic_access(trans); + __release(nic_access); +} +IWL_EXPORT_SYMBOL(iwl_trans_release_nic_access); + +void iwl_trans_fw_alive(struct iwl_trans *trans, u32 scd_addr) +{ + might_sleep(); + + trans->state = IWL_TRANS_FW_ALIVE; + + if (trans->trans_cfg->gen2) + iwl_trans_pcie_gen2_fw_alive(trans); + else + iwl_trans_pcie_fw_alive(trans, scd_addr); +} +IWL_EXPORT_SYMBOL(iwl_trans_fw_alive); + +int iwl_trans_start_fw(struct iwl_trans *trans, const struct fw_img *fw, + bool run_in_rfkill) +{ + int ret; + + might_sleep(); + + WARN_ON_ONCE(!trans->rx_mpdu_cmd); + + clear_bit(STATUS_FW_ERROR, &trans->status); + + if (trans->trans_cfg->gen2) + ret = iwl_trans_pcie_gen2_start_fw(trans, fw, run_in_rfkill); + else + ret = iwl_trans_pcie_start_fw(trans, fw, run_in_rfkill); + + if (ret == 0) + trans->state = IWL_TRANS_FW_STARTED; + + return ret; +} +IWL_EXPORT_SYMBOL(iwl_trans_start_fw); + +void iwl_trans_stop_device(struct iwl_trans *trans) +{ + might_sleep(); + + /* + * See also the comment in iwl_trans_restart_wk(). + * + * When the opmode stops the device while a reset is pending, the + * worker (iwl_trans_restart_wk) might not have run yet or, more + * likely, will be blocked on the opmode lock. Due to the locking, + * we can't just flush the worker. + * + * If this is the case, then the test_and_clear_bit() ensures that + * the worker won't attempt to do anything after the stop. + * + * The trans->restart.mode is a handshake with the opmode, we set + * the context there to ABORT so that when the worker can finally + * acquire the lock in the opmode, the code there won't attempt to + * do any dumps. Since we'd really like to have the dump though, + * also do it inline here (with the opmode locks already held), + * but use a separate mode struct to avoid races. + */ + if (test_and_clear_bit(STATUS_RESET_PENDING, &trans->status)) { + struct iwl_fw_error_dump_mode mode; + + mode = trans->restart.mode; + mode.context = IWL_ERR_CONTEXT_FROM_OPMODE; + trans->restart.mode.context = IWL_ERR_CONTEXT_ABORT; + + iwl_op_mode_dump_error(trans->op_mode, &mode); + } + + if (trans->trans_cfg->gen2) + iwl_trans_pcie_gen2_stop_device(trans); + else + iwl_trans_pcie_stop_device(trans); + + trans->state = IWL_TRANS_NO_FW; +} +IWL_EXPORT_SYMBOL(iwl_trans_stop_device); + +int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, + struct iwl_device_tx_cmd *dev_cmd, int queue) +{ + if (unlikely(test_bit(STATUS_FW_ERROR, &trans->status))) + return -EIO; + + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return -EIO; + + if (trans->trans_cfg->gen2) + return iwl_txq_gen2_tx(trans, skb, dev_cmd, queue); + + return iwl_trans_pcie_tx(trans, skb, dev_cmd, queue); +} +IWL_EXPORT_SYMBOL(iwl_trans_tx); + +void iwl_trans_reclaim(struct iwl_trans *trans, int queue, int ssn, + struct sk_buff_head *skbs, bool is_flush) +{ + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return; + + iwl_pcie_reclaim(trans, queue, ssn, skbs, is_flush); +} +IWL_EXPORT_SYMBOL(iwl_trans_reclaim); + +void iwl_trans_txq_disable(struct iwl_trans *trans, int queue, + bool configure_scd) +{ + iwl_trans_pcie_txq_disable(trans, queue, configure_scd); +} +IWL_EXPORT_SYMBOL(iwl_trans_txq_disable); + +bool iwl_trans_txq_enable_cfg(struct iwl_trans *trans, int queue, u16 ssn, + const struct iwl_trans_txq_scd_cfg *cfg, + unsigned int queue_wdg_timeout) +{ + might_sleep(); + + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return false; + + return iwl_trans_pcie_txq_enable(trans, queue, ssn, + cfg, queue_wdg_timeout); +} +IWL_EXPORT_SYMBOL(iwl_trans_txq_enable_cfg); + +int iwl_trans_wait_txq_empty(struct iwl_trans *trans, int queue) +{ + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return -EIO; + + return iwl_trans_pcie_wait_txq_empty(trans, queue); +} +IWL_EXPORT_SYMBOL(iwl_trans_wait_txq_empty); + +int iwl_trans_wait_tx_queues_empty(struct iwl_trans *trans, u32 txqs) +{ + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return -EIO; + + return iwl_trans_pcie_wait_txqs_empty(trans, txqs); +} +IWL_EXPORT_SYMBOL(iwl_trans_wait_tx_queues_empty); + +void iwl_trans_freeze_txq_timer(struct iwl_trans *trans, + unsigned long txqs, bool freeze) +{ + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return; + + iwl_pcie_freeze_txq_timer(trans, txqs, freeze); +} +IWL_EXPORT_SYMBOL(iwl_trans_freeze_txq_timer); + +void iwl_trans_txq_set_shared_mode(struct iwl_trans *trans, + int txq_id, bool shared_mode) +{ + iwl_trans_pcie_txq_set_shared_mode(trans, txq_id, shared_mode); +} +IWL_EXPORT_SYMBOL(iwl_trans_txq_set_shared_mode); + +#ifdef CONFIG_IWLWIFI_DEBUGFS +void iwl_trans_debugfs_cleanup(struct iwl_trans *trans) +{ + iwl_trans_pcie_debugfs_cleanup(trans); +} +IWL_EXPORT_SYMBOL(iwl_trans_debugfs_cleanup); +#endif + +void iwl_trans_set_q_ptrs(struct iwl_trans *trans, int queue, int ptr) +{ + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return; + + iwl_pcie_set_q_ptrs(trans, queue, ptr); +} +IWL_EXPORT_SYMBOL(iwl_trans_set_q_ptrs); + +int iwl_trans_txq_alloc(struct iwl_trans *trans, u32 flags, u32 sta_mask, + u8 tid, int size, unsigned int wdg_timeout) +{ + might_sleep(); + + if (WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "bad state = %d\n", trans->state)) + return -EIO; + + return iwl_txq_dyn_alloc(trans, flags, sta_mask, tid, + size, wdg_timeout); +} +IWL_EXPORT_SYMBOL(iwl_trans_txq_alloc); + +void iwl_trans_txq_free(struct iwl_trans *trans, int queue) +{ + iwl_txq_dyn_free(trans, queue); +} +IWL_EXPORT_SYMBOL(iwl_trans_txq_free); + +int iwl_trans_get_rxq_dma_data(struct iwl_trans *trans, int queue, + struct iwl_trans_rxq_dma_data *data) +{ + return iwl_trans_pcie_rxq_dma_data(trans, queue, data); +} +IWL_EXPORT_SYMBOL(iwl_trans_get_rxq_dma_data); + +int iwl_trans_load_pnvm(struct iwl_trans *trans, + const struct iwl_pnvm_image *pnvm_data, + const struct iwl_ucode_capabilities *capa) +{ + return iwl_trans_pcie_ctx_info_gen3_load_pnvm(trans, pnvm_data, capa); +} +IWL_EXPORT_SYMBOL(iwl_trans_load_pnvm); + +void iwl_trans_set_pnvm(struct iwl_trans *trans, + const struct iwl_ucode_capabilities *capa) +{ + iwl_trans_pcie_ctx_info_gen3_set_pnvm(trans, capa); +} +IWL_EXPORT_SYMBOL(iwl_trans_set_pnvm); + +int iwl_trans_load_reduce_power(struct iwl_trans *trans, + const struct iwl_pnvm_image *payloads, + const struct iwl_ucode_capabilities *capa) +{ + return iwl_trans_pcie_ctx_info_gen3_load_reduce_power(trans, payloads, + capa); +} +IWL_EXPORT_SYMBOL(iwl_trans_load_reduce_power); + +void iwl_trans_set_reduce_power(struct iwl_trans *trans, + const struct iwl_ucode_capabilities *capa) +{ + iwl_trans_pcie_ctx_info_gen3_set_reduce_power(trans, capa); +} +IWL_EXPORT_SYMBOL(iwl_trans_set_reduce_power); |