From: Paul M Stillwell Jr Date: Tue, 18 Dec 2018 08:46:19 +0000 (+0800) Subject: net/ice/base: add common functions X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=453d087ccaff;p=dpdk.git net/ice/base: add common functions Add code that multiple other features use. Signed-off-by: Paul M Stillwell Jr Reviewed-by: Ferruh Yigit --- diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c new file mode 100644 index 0000000000..d49264d147 --- /dev/null +++ b/drivers/net/ice/base/ice_common.c @@ -0,0 +1,3521 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2018 + */ + +#include "ice_common.h" +#include "ice_sched.h" +#include "ice_adminq_cmd.h" + +#include "ice_flow.h" +#include "ice_switch.h" + +#define ICE_PF_RESET_WAIT_COUNT 200 + +#define ICE_PROG_FLEX_ENTRY(hw, rxdid, mdid, idx) \ + wr32((hw), GLFLXP_RXDID_FLX_WRD_##idx(rxdid), \ + ((ICE_RX_OPC_MDID << \ + GLFLXP_RXDID_FLX_WRD_##idx##_RXDID_OPCODE_S) & \ + GLFLXP_RXDID_FLX_WRD_##idx##_RXDID_OPCODE_M) | \ + (((mdid) << GLFLXP_RXDID_FLX_WRD_##idx##_PROT_MDID_S) & \ + GLFLXP_RXDID_FLX_WRD_##idx##_PROT_MDID_M)) + +#define ICE_PROG_FLG_ENTRY(hw, rxdid, flg_0, flg_1, flg_2, flg_3, idx) \ + wr32((hw), GLFLXP_RXDID_FLAGS(rxdid, idx), \ + (((flg_0) << GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S) & \ + GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M) | \ + (((flg_1) << GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_1_S) & \ + GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_1_M) | \ + (((flg_2) << GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_2_S) & \ + GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_2_M) | \ + (((flg_3) << GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_3_S) & \ + GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_3_M)) + + +/** + * ice_set_mac_type - Sets MAC type + * @hw: pointer to the HW structure + * + * This function sets the MAC type of the adapter based on the + * vendor ID and device ID stored in the hw structure. + */ +static enum ice_status ice_set_mac_type(struct ice_hw *hw) +{ + enum ice_status status = ICE_SUCCESS; + + ice_debug(hw, ICE_DBG_TRACE, "ice_set_mac_type\n"); + + if (hw->vendor_id == ICE_INTEL_VENDOR_ID) { + switch (hw->device_id) { + default: + hw->mac_type = ICE_MAC_GENERIC; + break; + } + } else { + status = ICE_ERR_DEVICE_NOT_SUPPORTED; + } + + ice_debug(hw, ICE_DBG_INIT, "found mac_type: %d, status: %d\n", + hw->mac_type, status); + + return status; +} + +#if defined(FPGA_SUPPORT) || defined(CVL_A0_SUPPORT) +void ice_dev_onetime_setup(struct ice_hw *hw) +{ + /* configure Rx - set non pxe mode */ + wr32(hw, GLLAN_RCTL_0, 0x1); + + + +} +#endif /* FPGA_SUPPORT || CVL_A0_SUPPORT */ + +/** + * ice_clear_pf_cfg - Clear PF configuration + * @hw: pointer to the hardware structure + * + * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port + * configuration, flow director filters, etc.). + */ +enum ice_status ice_clear_pf_cfg(struct ice_hw *hw) +{ + struct ice_aq_desc desc; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg); + + return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); +} + +/** + * ice_aq_manage_mac_read - manage MAC address read command + * @hw: pointer to the hw struct + * @buf: a virtual buffer to hold the manage MAC read response + * @buf_size: Size of the virtual buffer + * @cd: pointer to command details structure or NULL + * + * This function is used to return per PF station MAC address (0x0107). + * NOTE: Upon successful completion of this command, MAC address information + * is returned in user specified buffer. Please interpret user specified + * buffer as "manage_mac_read" response. + * Response such as various MAC addresses are stored in HW struct (port.mac) + * ice_aq_discover_caps is expected to be called before this function is called. + */ +static enum ice_status +ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size, + struct ice_sq_cd *cd) +{ + struct ice_aqc_manage_mac_read_resp *resp; + struct ice_aqc_manage_mac_read *cmd; + struct ice_aq_desc desc; + enum ice_status status; + u16 flags; + u8 i; + + cmd = &desc.params.mac_read; + + if (buf_size < sizeof(*resp)) + return ICE_ERR_BUF_TOO_SHORT; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read); + + status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); + if (status) + return status; + + resp = (struct ice_aqc_manage_mac_read_resp *)buf; + flags = LE16_TO_CPU(cmd->flags) & ICE_AQC_MAN_MAC_READ_M; + + if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) { + ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n"); + return ICE_ERR_CFG; + } + + /* A single port can report up to two (LAN and WoL) addresses */ + for (i = 0; i < cmd->num_addr; i++) + if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) { + ice_memcpy(hw->port_info->mac.lan_addr, + resp[i].mac_addr, ETH_ALEN, + ICE_DMA_TO_NONDMA); + ice_memcpy(hw->port_info->mac.perm_addr, + resp[i].mac_addr, + ETH_ALEN, ICE_DMA_TO_NONDMA); + break; + } + + return ICE_SUCCESS; +} + +/** + * ice_aq_get_phy_caps - returns PHY capabilities + * @pi: port information structure + * @qual_mods: report qualified modules + * @report_mode: report mode capabilities + * @pcaps: structure for PHY capabilities to be filled + * @cd: pointer to command details structure or NULL + * + * Returns the various PHY capabilities supported on the Port (0x0600) + */ +enum ice_status +ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode, + struct ice_aqc_get_phy_caps_data *pcaps, + struct ice_sq_cd *cd) +{ + struct ice_aqc_get_phy_caps *cmd; + u16 pcaps_size = sizeof(*pcaps); + struct ice_aq_desc desc; + enum ice_status status; + + cmd = &desc.params.get_phy; + + if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi) + return ICE_ERR_PARAM; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps); + + if (qual_mods) + cmd->param0 |= CPU_TO_LE16(ICE_AQC_GET_PHY_RQM); + + cmd->param0 |= CPU_TO_LE16(report_mode); + status = ice_aq_send_cmd(pi->hw, &desc, pcaps, pcaps_size, cd); + + if (status == ICE_SUCCESS && report_mode == ICE_AQC_REPORT_TOPO_CAP) { + pi->phy.phy_type_low = LE64_TO_CPU(pcaps->phy_type_low); + pi->phy.phy_type_high = LE64_TO_CPU(pcaps->phy_type_high); + } + + return status; +} + +/** + * ice_get_media_type - Gets media type + * @pi: port information structure + */ +static enum ice_media_type ice_get_media_type(struct ice_port_info *pi) +{ + struct ice_link_status *hw_link_info; + + if (!pi) + return ICE_MEDIA_UNKNOWN; + + hw_link_info = &pi->phy.link_info; + if (hw_link_info->phy_type_low && hw_link_info->phy_type_high) + /* If more than one media type is selected, report unknown */ + return ICE_MEDIA_UNKNOWN; + + if (hw_link_info->phy_type_low) { + switch (hw_link_info->phy_type_low) { + case ICE_PHY_TYPE_LOW_1000BASE_SX: + case ICE_PHY_TYPE_LOW_1000BASE_LX: + case ICE_PHY_TYPE_LOW_10GBASE_SR: + case ICE_PHY_TYPE_LOW_10GBASE_LR: + case ICE_PHY_TYPE_LOW_10G_SFI_C2C: + case ICE_PHY_TYPE_LOW_25GBASE_SR: + case ICE_PHY_TYPE_LOW_25GBASE_LR: + case ICE_PHY_TYPE_LOW_25G_AUI_C2C: + case ICE_PHY_TYPE_LOW_40GBASE_SR4: + case ICE_PHY_TYPE_LOW_40GBASE_LR4: + case ICE_PHY_TYPE_LOW_50GBASE_SR2: + case ICE_PHY_TYPE_LOW_50GBASE_LR2: + case ICE_PHY_TYPE_LOW_50GBASE_SR: + case ICE_PHY_TYPE_LOW_50GBASE_FR: + case ICE_PHY_TYPE_LOW_50GBASE_LR: + case ICE_PHY_TYPE_LOW_100GBASE_SR4: + case ICE_PHY_TYPE_LOW_100GBASE_LR4: + case ICE_PHY_TYPE_LOW_100GBASE_SR2: + case ICE_PHY_TYPE_LOW_100GBASE_DR: + return ICE_MEDIA_FIBER; + case ICE_PHY_TYPE_LOW_100BASE_TX: + case ICE_PHY_TYPE_LOW_1000BASE_T: + case ICE_PHY_TYPE_LOW_2500BASE_T: + case ICE_PHY_TYPE_LOW_5GBASE_T: + case ICE_PHY_TYPE_LOW_10GBASE_T: + case ICE_PHY_TYPE_LOW_25GBASE_T: + return ICE_MEDIA_BASET; + case ICE_PHY_TYPE_LOW_10G_SFI_DA: + case ICE_PHY_TYPE_LOW_25GBASE_CR: + case ICE_PHY_TYPE_LOW_25GBASE_CR_S: + case ICE_PHY_TYPE_LOW_25GBASE_CR1: + case ICE_PHY_TYPE_LOW_40GBASE_CR4: + case ICE_PHY_TYPE_LOW_50GBASE_CR2: + case ICE_PHY_TYPE_LOW_50GBASE_CP: + case ICE_PHY_TYPE_LOW_100GBASE_CR4: + case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: + case ICE_PHY_TYPE_LOW_100GBASE_CP2: + return ICE_MEDIA_DA; + case ICE_PHY_TYPE_LOW_1000BASE_KX: + case ICE_PHY_TYPE_LOW_2500BASE_KX: + case ICE_PHY_TYPE_LOW_2500BASE_X: + case ICE_PHY_TYPE_LOW_5GBASE_KR: + case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: + case ICE_PHY_TYPE_LOW_25GBASE_KR: + case ICE_PHY_TYPE_LOW_25GBASE_KR1: + case ICE_PHY_TYPE_LOW_25GBASE_KR_S: + case ICE_PHY_TYPE_LOW_40GBASE_KR4: + case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: + case ICE_PHY_TYPE_LOW_50GBASE_KR2: + case ICE_PHY_TYPE_LOW_100GBASE_KR4: + case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: + return ICE_MEDIA_BACKPLANE; + } + } else { + switch (hw_link_info->phy_type_high) { + case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: + return ICE_MEDIA_BACKPLANE; + } + } + return ICE_MEDIA_UNKNOWN; +} + +/** + * ice_aq_get_link_info + * @pi: port information structure + * @ena_lse: enable/disable LinkStatusEvent reporting + * @link: pointer to link status structure - optional + * @cd: pointer to command details structure or NULL + * + * Get Link Status (0x607). Returns the link status of the adapter. + */ +enum ice_status +ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse, + struct ice_link_status *link, struct ice_sq_cd *cd) +{ + struct ice_link_status *hw_link_info_old, *hw_link_info; + struct ice_aqc_get_link_status_data link_data = { 0 }; + struct ice_aqc_get_link_status *resp; + enum ice_media_type *hw_media_type; + struct ice_fc_info *hw_fc_info; + bool tx_pause, rx_pause; + struct ice_aq_desc desc; + enum ice_status status; + u16 cmd_flags; + + if (!pi) + return ICE_ERR_PARAM; + hw_link_info_old = &pi->phy.link_info_old; + hw_media_type = &pi->phy.media_type; + hw_link_info = &pi->phy.link_info; + hw_fc_info = &pi->fc; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status); + cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS; + resp = &desc.params.get_link_status; + resp->cmd_flags = CPU_TO_LE16(cmd_flags); + resp->lport_num = pi->lport; + + status = ice_aq_send_cmd(pi->hw, &desc, &link_data, sizeof(link_data), + cd); + + if (status != ICE_SUCCESS) + return status; + + /* save off old link status information */ + *hw_link_info_old = *hw_link_info; + + /* update current link status information */ + hw_link_info->link_speed = LE16_TO_CPU(link_data.link_speed); + hw_link_info->phy_type_low = LE64_TO_CPU(link_data.phy_type_low); + hw_link_info->phy_type_high = LE64_TO_CPU(link_data.phy_type_high); + *hw_media_type = ice_get_media_type(pi); + hw_link_info->link_info = link_data.link_info; + hw_link_info->an_info = link_data.an_info; + hw_link_info->ext_info = link_data.ext_info; + hw_link_info->max_frame_size = LE16_TO_CPU(link_data.max_frame_size); + hw_link_info->fec_info = link_data.cfg & ICE_AQ_FEC_MASK; + hw_link_info->topo_media_conflict = link_data.topo_media_conflict; + hw_link_info->pacing = link_data.cfg & ICE_AQ_CFG_PACING_M; + + /* update fc info */ + tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX); + rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX); + if (tx_pause && rx_pause) + hw_fc_info->current_mode = ICE_FC_FULL; + else if (tx_pause) + hw_fc_info->current_mode = ICE_FC_TX_PAUSE; + else if (rx_pause) + hw_fc_info->current_mode = ICE_FC_RX_PAUSE; + else + hw_fc_info->current_mode = ICE_FC_NONE; + + hw_link_info->lse_ena = + !!(resp->cmd_flags & CPU_TO_LE16(ICE_AQ_LSE_IS_ENABLED)); + + + /* save link status information */ + if (link) + *link = *hw_link_info; + + /* flag cleared so calling functions don't call AQ again */ + pi->phy.get_link_info = false; + + return status; +} + +/** + * ice_init_flex_flags + * @hw: pointer to the hardware structure + * @prof_id: Rx Descriptor Builder profile ID + * + * Function to initialize Rx flex flags + */ +static void ice_init_flex_flags(struct ice_hw *hw, enum ice_rxdid prof_id) +{ + u8 idx = 0; + + /* Flex-flag fields (0-2) are programmed with FLG64 bits with layout: + * flexiflags0[5:0] - TCP flags, is_packet_fragmented, is_packet_UDP_GRE + * flexiflags1[3:0] - Not used for flag programming + * flexiflags2[7:0] - Tunnel and VLAN types + * 2 invalid fields in last index + */ + switch (prof_id) { + /* Rx flex flags are currently programmed for the NIC profiles only. + * Different flag bit programming configurations can be added per + * profile as needed. + */ + case ICE_RXDID_FLEX_NIC: + case ICE_RXDID_FLEX_NIC_2: + ICE_PROG_FLG_ENTRY(hw, prof_id, ICE_RXFLG_PKT_FRG, + ICE_RXFLG_UDP_GRE, ICE_RXFLG_PKT_DSI, + ICE_RXFLG_FIN, idx++); + /* flex flag 1 is not used for flexi-flag programming, skipping + * these four FLG64 bits. + */ + ICE_PROG_FLG_ENTRY(hw, prof_id, ICE_RXFLG_SYN, ICE_RXFLG_RST, + ICE_RXFLG_PKT_DSI, ICE_RXFLG_PKT_DSI, idx++); + ICE_PROG_FLG_ENTRY(hw, prof_id, ICE_RXFLG_PKT_DSI, + ICE_RXFLG_PKT_DSI, ICE_RXFLG_EVLAN_x8100, + ICE_RXFLG_EVLAN_x9100, idx++); + ICE_PROG_FLG_ENTRY(hw, prof_id, ICE_RXFLG_VLAN_x8100, + ICE_RXFLG_TNL_VLAN, ICE_RXFLG_TNL_MAC, + ICE_RXFLG_TNL0, idx++); + ICE_PROG_FLG_ENTRY(hw, prof_id, ICE_RXFLG_TNL1, ICE_RXFLG_TNL2, + ICE_RXFLG_PKT_DSI, ICE_RXFLG_PKT_DSI, idx); + break; + + default: + ice_debug(hw, ICE_DBG_INIT, + "Flag programming for profile ID %d not supported\n", + prof_id); + } +} + +/** + * ice_init_flex_flds + * @hw: pointer to the hardware structure + * @prof_id: Rx Descriptor Builder profile ID + * + * Function to initialize flex descriptors + */ +static void ice_init_flex_flds(struct ice_hw *hw, enum ice_rxdid prof_id) +{ + enum ice_flex_rx_mdid mdid; + + switch (prof_id) { + case ICE_RXDID_FLEX_NIC: + case ICE_RXDID_FLEX_NIC_2: + ICE_PROG_FLEX_ENTRY(hw, prof_id, ICE_RX_MDID_HASH_LOW, 0); + ICE_PROG_FLEX_ENTRY(hw, prof_id, ICE_RX_MDID_HASH_HIGH, 1); + ICE_PROG_FLEX_ENTRY(hw, prof_id, ICE_RX_MDID_FLOW_ID_LOWER, 2); + + mdid = (prof_id == ICE_RXDID_FLEX_NIC_2) ? + ICE_RX_MDID_SRC_VSI : ICE_RX_MDID_FLOW_ID_HIGH; + + ICE_PROG_FLEX_ENTRY(hw, prof_id, mdid, 3); + + ice_init_flex_flags(hw, prof_id); + break; + + default: + ice_debug(hw, ICE_DBG_INIT, + "Field init for profile ID %d not supported\n", + prof_id); + } +} + + +/** + * ice_init_fltr_mgmt_struct - initializes filter management list and locks + * @hw: pointer to the hw struct + */ +static enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw) +{ + struct ice_switch_info *sw; + + hw->switch_info = (struct ice_switch_info *) + ice_malloc(hw, sizeof(*hw->switch_info)); + sw = hw->switch_info; + + if (!sw) + return ICE_ERR_NO_MEMORY; + + INIT_LIST_HEAD(&sw->vsi_list_map_head); + + return ice_init_def_sw_recp(hw); +} + +/** + * ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks + * @hw: pointer to the hw struct + */ +static void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw) +{ + struct ice_switch_info *sw = hw->switch_info; + struct ice_vsi_list_map_info *v_pos_map; + struct ice_vsi_list_map_info *v_tmp_map; + struct ice_sw_recipe *recps; + u8 i; + + LIST_FOR_EACH_ENTRY_SAFE(v_pos_map, v_tmp_map, &sw->vsi_list_map_head, + ice_vsi_list_map_info, list_entry) { + LIST_DEL(&v_pos_map->list_entry); + ice_free(hw, v_pos_map); + } + recps = hw->switch_info->recp_list; + for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { + recps[i].root_rid = i; + + if (recps[i].adv_rule) { + struct ice_adv_fltr_mgmt_list_entry *tmp_entry; + struct ice_adv_fltr_mgmt_list_entry *lst_itr; + + ice_destroy_lock(&recps[i].filt_rule_lock); + LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry, + &recps[i].filt_rules, + ice_adv_fltr_mgmt_list_entry, + list_entry) { + LIST_DEL(&lst_itr->list_entry); + ice_free(hw, lst_itr->lkups); + ice_free(hw, lst_itr); + } + } else { + struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry; + + ice_destroy_lock(&recps[i].filt_rule_lock); + LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry, + &recps[i].filt_rules, + ice_fltr_mgmt_list_entry, + list_entry) { + LIST_DEL(&lst_itr->list_entry); + ice_free(hw, lst_itr); + } + } + } + ice_rm_all_sw_replay_rule_info(hw); + ice_free(hw, sw->recp_list); + ice_free(hw, sw); +} + +#define ICE_FW_LOG_DESC_SIZE(n) (sizeof(struct ice_aqc_fw_logging_data) + \ + (((n) - 1) * sizeof(((struct ice_aqc_fw_logging_data *)0)->entry))) +#define ICE_FW_LOG_DESC_SIZE_MAX \ + ICE_FW_LOG_DESC_SIZE(ICE_AQC_FW_LOG_ID_MAX) + +/** + * ice_cfg_fw_log - configure FW logging + * @hw: pointer to the hw struct + * @enable: enable certain FW logging events if true, disable all if false + * + * This function enables/disables the FW logging via Rx CQ events and a UART + * port based on predetermined configurations. FW logging via the Rx CQ can be + * enabled/disabled for individual PF's. However, FW logging via the UART can + * only be enabled/disabled for all PFs on the same device. + * + * To enable overall FW logging, the "cq_en" and "uart_en" enable bits in + * hw->fw_log need to be set accordingly, e.g. based on user-provided input, + * before initializing the device. + * + * When re/configuring FW logging, callers need to update the "cfg" elements of + * the hw->fw_log.evnts array with the desired logging event configurations for + * modules of interest. When disabling FW logging completely, the callers can + * just pass false in the "enable" parameter. On completion, the function will + * update the "cur" element of the hw->fw_log.evnts array with the resulting + * logging event configurations of the modules that are being re/configured. FW + * logging modules that are not part of a reconfiguration operation retain their + * previous states. + * + * Before resetting the device, it is recommended that the driver disables FW + * logging before shutting down the control queue. When disabling FW logging + * ("enable" = false), the latest configurations of FW logging events stored in + * hw->fw_log.evnts[] are not overridden to allow them to be reconfigured after + * a device reset. + * + * When enabling FW logging to emit log messages via the Rx CQ during the + * device's initialization phase, a mechanism alternative to interrupt handlers + * needs to be used to extract FW log messages from the Rx CQ periodically and + * to prevent the Rx CQ from being full and stalling other types of control + * messages from FW to SW. Interrupts are typically disabled during the device's + * initialization phase. + */ +static enum ice_status ice_cfg_fw_log(struct ice_hw *hw, bool enable) +{ + struct ice_aqc_fw_logging_data *data = NULL; + struct ice_aqc_fw_logging *cmd; + enum ice_status status = ICE_SUCCESS; + u16 i, chgs = 0, len = 0; + struct ice_aq_desc desc; + u8 actv_evnts = 0; + void *buf = NULL; + + if (!hw->fw_log.cq_en && !hw->fw_log.uart_en) + return ICE_SUCCESS; + + /* Disable FW logging only when the control queue is still responsive */ + if (!enable && + (!hw->fw_log.actv_evnts || !ice_check_sq_alive(hw, &hw->adminq))) + return ICE_SUCCESS; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_fw_logging); + cmd = &desc.params.fw_logging; + + /* Indicate which controls are valid */ + if (hw->fw_log.cq_en) + cmd->log_ctrl_valid |= ICE_AQC_FW_LOG_AQ_VALID; + + if (hw->fw_log.uart_en) + cmd->log_ctrl_valid |= ICE_AQC_FW_LOG_UART_VALID; + + if (enable) { + /* Fill in an array of entries with FW logging modules and + * logging events being reconfigured. + */ + for (i = 0; i < ICE_AQC_FW_LOG_ID_MAX; i++) { + u16 val; + + /* Keep track of enabled event types */ + actv_evnts |= hw->fw_log.evnts[i].cfg; + + if (hw->fw_log.evnts[i].cfg == hw->fw_log.evnts[i].cur) + continue; + + if (!data) { + data = (struct ice_aqc_fw_logging_data *) + ice_malloc(hw, + ICE_FW_LOG_DESC_SIZE_MAX); + if (!data) + return ICE_ERR_NO_MEMORY; + } + + val = i << ICE_AQC_FW_LOG_ID_S; + val |= hw->fw_log.evnts[i].cfg << ICE_AQC_FW_LOG_EN_S; + data->entry[chgs++] = CPU_TO_LE16(val); + } + + /* Only enable FW logging if at least one module is specified. + * If FW logging is currently enabled but all modules are not + * enabled to emit log messages, disable FW logging altogether. + */ + if (actv_evnts) { + /* Leave if there is effectively no change */ + if (!chgs) + goto out; + + if (hw->fw_log.cq_en) + cmd->log_ctrl |= ICE_AQC_FW_LOG_AQ_EN; + + if (hw->fw_log.uart_en) + cmd->log_ctrl |= ICE_AQC_FW_LOG_UART_EN; + + buf = data; + len = ICE_FW_LOG_DESC_SIZE(chgs); + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + } + } + + status = ice_aq_send_cmd(hw, &desc, buf, len, NULL); + if (!status) { + /* Update the current configuration to reflect events enabled. + * hw->fw_log.cq_en and hw->fw_log.uart_en indicate if the FW + * logging mode is enabled for the device. They do not reflect + * actual modules being enabled to emit log messages. So, their + * values remain unchanged even when all modules are disabled. + */ + u16 cnt = enable ? chgs : (u16)ICE_AQC_FW_LOG_ID_MAX; + + hw->fw_log.actv_evnts = actv_evnts; + for (i = 0; i < cnt; i++) { + u16 v, m; + + if (!enable) { + /* When disabling all FW logging events as part + * of device's de-initialization, the original + * configurations are retained, and can be used + * to reconfigure FW logging later if the device + * is re-initialized. + */ + hw->fw_log.evnts[i].cur = 0; + continue; + } + + v = LE16_TO_CPU(data->entry[i]); + m = (v & ICE_AQC_FW_LOG_ID_M) >> ICE_AQC_FW_LOG_ID_S; + hw->fw_log.evnts[m].cur = hw->fw_log.evnts[m].cfg; + } + } + +out: + if (data) + ice_free(hw, data); + + return status; +} + +/** + * ice_output_fw_log + * @hw: pointer to the hw struct + * @desc: pointer to the AQ message descriptor + * @buf: pointer to the buffer accompanying the AQ message + * + * Formats a FW Log message and outputs it via the standard driver logs. + */ +void ice_output_fw_log(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf) +{ + ice_debug(hw, ICE_DBG_AQ_MSG, "[ FW Log Msg Start ]\n"); + ice_debug_array(hw, ICE_DBG_AQ_MSG, 16, 1, (u8 *)buf, + LE16_TO_CPU(desc->datalen)); + ice_debug(hw, ICE_DBG_AQ_MSG, "[ FW Log Msg End ]\n"); +} + +/** + * ice_get_itr_intrl_gran - determine int/intrl granularity + * @hw: pointer to the hw struct + * + * Determines the itr/intrl granularities based on the maximum aggregate + * bandwidth according to the device's configuration during power-on. + */ +static enum ice_status ice_get_itr_intrl_gran(struct ice_hw *hw) +{ + u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) & + GL_PWR_MODE_CTL_CAR_MAX_BW_M) >> + GL_PWR_MODE_CTL_CAR_MAX_BW_S; + + switch (max_agg_bw) { + case ICE_MAX_AGG_BW_200G: + case ICE_MAX_AGG_BW_100G: + case ICE_MAX_AGG_BW_50G: + hw->itr_gran = ICE_ITR_GRAN_ABOVE_25; + hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25; + break; + case ICE_MAX_AGG_BW_25G: + hw->itr_gran = ICE_ITR_GRAN_MAX_25; + hw->intrl_gran = ICE_INTRL_GRAN_MAX_25; + break; + default: + ice_debug(hw, ICE_DBG_INIT, + "Failed to determine itr/intrl granularity\n"); + return ICE_ERR_CFG; + } + + return ICE_SUCCESS; +} + +/** + * ice_init_hw - main hardware initialization routine + * @hw: pointer to the hardware structure + */ +enum ice_status ice_init_hw(struct ice_hw *hw) +{ + struct ice_aqc_get_phy_caps_data *pcaps; + enum ice_status status; + u16 mac_buf_len; + void *mac_buf; + + ice_debug(hw, ICE_DBG_TRACE, "ice_init_hw"); + + + /* Set MAC type based on DeviceID */ + status = ice_set_mac_type(hw); + if (status) + return status; + + hw->pf_id = (u8)(rd32(hw, PF_FUNC_RID) & + PF_FUNC_RID_FUNCTION_NUMBER_M) >> + PF_FUNC_RID_FUNCTION_NUMBER_S; + + + status = ice_reset(hw, ICE_RESET_PFR); + if (status) + return status; + + status = ice_get_itr_intrl_gran(hw); + if (status) + return status; + + + status = ice_init_all_ctrlq(hw); + if (status) + goto err_unroll_cqinit; + + /* Enable FW logging. Not fatal if this fails. */ + status = ice_cfg_fw_log(hw, true); + if (status) + ice_debug(hw, ICE_DBG_INIT, "Failed to enable FW logging.\n"); + + status = ice_clear_pf_cfg(hw); + if (status) + goto err_unroll_cqinit; + + + ice_clear_pxe_mode(hw); + + status = ice_init_nvm(hw); + if (status) + goto err_unroll_cqinit; + + status = ice_get_caps(hw); + if (status) + goto err_unroll_cqinit; + + hw->port_info = (struct ice_port_info *) + ice_malloc(hw, sizeof(*hw->port_info)); + if (!hw->port_info) { + status = ICE_ERR_NO_MEMORY; + goto err_unroll_cqinit; + } + + /* set the back pointer to hw */ + hw->port_info->hw = hw; + + /* Initialize port_info struct with switch configuration data */ + status = ice_get_initial_sw_cfg(hw); + if (status) + goto err_unroll_alloc; + + hw->evb_veb = true; + + /* Query the allocated resources for Tx scheduler */ + status = ice_sched_query_res_alloc(hw); + if (status) { + ice_debug(hw, ICE_DBG_SCHED, + "Failed to get scheduler allocated resources\n"); + goto err_unroll_alloc; + } + + + /* Initialize port_info struct with scheduler data */ + status = ice_sched_init_port(hw->port_info); + if (status) + goto err_unroll_sched; + + pcaps = (struct ice_aqc_get_phy_caps_data *) + ice_malloc(hw, sizeof(*pcaps)); + if (!pcaps) { + status = ICE_ERR_NO_MEMORY; + goto err_unroll_sched; + } + + /* Initialize port_info struct with PHY capabilities */ + status = ice_aq_get_phy_caps(hw->port_info, false, + ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL); + ice_free(hw, pcaps); + if (status) + goto err_unroll_sched; + + /* Initialize port_info struct with link information */ + status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL); + if (status) + goto err_unroll_sched; + /* need a valid SW entry point to build a Tx tree */ + if (!hw->sw_entry_point_layer) { + ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n"); + status = ICE_ERR_CFG; + goto err_unroll_sched; + } + INIT_LIST_HEAD(&hw->agg_list); + /* Initialize max burst size */ + if (!hw->max_burst_size) + ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE); + + status = ice_init_fltr_mgmt_struct(hw); + if (status) + goto err_unroll_sched; + +#if defined(FPGA_SUPPORT) || defined(CVL_A0_SUPPORT) + /* some of the register write workarounds to get Rx working */ + ice_dev_onetime_setup(hw); +#endif /* FPGA_SUPPORT || CVL_A0_SUPPORT */ + + /* Get MAC information */ + /* A single port can report up to two (LAN and WoL) addresses */ + mac_buf = ice_calloc(hw, 2, + sizeof(struct ice_aqc_manage_mac_read_resp)); + mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp); + + if (!mac_buf) { + status = ICE_ERR_NO_MEMORY; + goto err_unroll_fltr_mgmt_struct; + } + + status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL); + ice_free(hw, mac_buf); + + if (status) + goto err_unroll_fltr_mgmt_struct; + + ice_init_flex_flds(hw, ICE_RXDID_FLEX_NIC); + ice_init_flex_flds(hw, ICE_RXDID_FLEX_NIC_2); + + + return ICE_SUCCESS; + +err_unroll_fltr_mgmt_struct: + ice_cleanup_fltr_mgmt_struct(hw); +err_unroll_sched: + ice_sched_cleanup_all(hw); +err_unroll_alloc: + ice_free(hw, hw->port_info); + hw->port_info = NULL; +err_unroll_cqinit: + ice_shutdown_all_ctrlq(hw); + return status; +} + +/** + * ice_deinit_hw - unroll initialization operations done by ice_init_hw + * @hw: pointer to the hardware structure + * + * This should be called only during nominal operation, not as a result of + * ice_init_hw() failing since ice_init_hw() will take care of unrolling + * applicable initializations if it fails for any reason. + */ +void ice_deinit_hw(struct ice_hw *hw) +{ + ice_cleanup_fltr_mgmt_struct(hw); + + ice_sched_cleanup_all(hw); + ice_sched_clear_agg(hw); + + if (hw->port_info) { + ice_free(hw, hw->port_info); + hw->port_info = NULL; + } + + /* Attempt to disable FW logging before shutting down control queues */ + ice_cfg_fw_log(hw, false); + ice_shutdown_all_ctrlq(hw); + + /* Clear VSI contexts if not already cleared */ + ice_clear_all_vsi_ctx(hw); +} + +/** + * ice_check_reset - Check to see if a global reset is complete + * @hw: pointer to the hardware structure + */ +enum ice_status ice_check_reset(struct ice_hw *hw) +{ + u32 cnt, reg = 0, grst_delay; + + /* Poll for Device Active state in case a recent CORER, GLOBR, + * or EMPR has occurred. The grst delay value is in 100ms units. + * Add 1sec for outstanding AQ commands that can take a long time. + */ +#define GLGEN_RSTCTL 0x000B8180 /* Reset Source: POR */ +#define GLGEN_RSTCTL_GRSTDEL_S 0 +#define GLGEN_RSTCTL_GRSTDEL_M MAKEMASK(0x3F, GLGEN_RSTCTL_GRSTDEL_S) + grst_delay = ((rd32(hw, GLGEN_RSTCTL) & GLGEN_RSTCTL_GRSTDEL_M) >> + GLGEN_RSTCTL_GRSTDEL_S) + 10; + + for (cnt = 0; cnt < grst_delay; cnt++) { + ice_msec_delay(100, true); + reg = rd32(hw, GLGEN_RSTAT); + if (!(reg & GLGEN_RSTAT_DEVSTATE_M)) + break; + } + + if (cnt == grst_delay) { + ice_debug(hw, ICE_DBG_INIT, + "Global reset polling failed to complete.\n"); + return ICE_ERR_RESET_FAILED; + } + +#define ICE_RESET_DONE_MASK (GLNVM_ULD_CORER_DONE_M | \ + GLNVM_ULD_GLOBR_DONE_M) + + /* Device is Active; check Global Reset processes are done */ + for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) { + reg = rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK; + if (reg == ICE_RESET_DONE_MASK) { + ice_debug(hw, ICE_DBG_INIT, + "Global reset processes done. %d\n", cnt); + break; + } + ice_msec_delay(10, true); + } + + if (cnt == ICE_PF_RESET_WAIT_COUNT) { + ice_debug(hw, ICE_DBG_INIT, + "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n", + reg); + return ICE_ERR_RESET_FAILED; + } + + return ICE_SUCCESS; +} + +/** + * ice_pf_reset - Reset the PF + * @hw: pointer to the hardware structure + * + * If a global reset has been triggered, this function checks + * for its completion and then issues the PF reset + */ +static enum ice_status ice_pf_reset(struct ice_hw *hw) +{ + u32 cnt, reg; + + /* If at function entry a global reset was already in progress, i.e. + * state is not 'device active' or any of the reset done bits are not + * set in GLNVM_ULD, there is no need for a PF Reset; poll until the + * global reset is done. + */ + if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) || + (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) { + /* poll on global reset currently in progress until done */ + if (ice_check_reset(hw)) + return ICE_ERR_RESET_FAILED; + + return ICE_SUCCESS; + } + + /* Reset the PF */ + reg = rd32(hw, PFGEN_CTRL); + + wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M)); + + for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) { + reg = rd32(hw, PFGEN_CTRL); + if (!(reg & PFGEN_CTRL_PFSWR_M)) + break; + + ice_msec_delay(1, true); + } + + if (cnt == ICE_PF_RESET_WAIT_COUNT) { + ice_debug(hw, ICE_DBG_INIT, + "PF reset polling failed to complete.\n"); + return ICE_ERR_RESET_FAILED; + } + + return ICE_SUCCESS; +} + +/** + * ice_reset - Perform different types of reset + * @hw: pointer to the hardware structure + * @req: reset request + * + * This function triggers a reset as specified by the req parameter. + * + * Note: + * If anything other than a PF reset is triggered, PXE mode is restored. + * This has to be cleared using ice_clear_pxe_mode again, once the AQ + * interface has been restored in the rebuild flow. + */ +enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req) +{ + u32 val = 0; + + switch (req) { + case ICE_RESET_PFR: + return ice_pf_reset(hw); + case ICE_RESET_CORER: + ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n"); + val = GLGEN_RTRIG_CORER_M; + break; + case ICE_RESET_GLOBR: + ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n"); + val = GLGEN_RTRIG_GLOBR_M; + break; + default: + return ICE_ERR_PARAM; + } + + val |= rd32(hw, GLGEN_RTRIG); + wr32(hw, GLGEN_RTRIG, val); + ice_flush(hw); + + + /* wait for the FW to be ready */ + return ice_check_reset(hw); +} + + + +/** + * ice_copy_rxq_ctx_to_hw + * @hw: pointer to the hardware structure + * @ice_rxq_ctx: pointer to the rxq context + * @rxq_index: the index of the Rx queue + * + * Copies rxq context from dense structure to hw register space + */ +static enum ice_status +ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index) +{ + u8 i; + + if (!ice_rxq_ctx) + return ICE_ERR_BAD_PTR; + + if (rxq_index > QRX_CTRL_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Copy each dword separately to hw */ + for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) { + wr32(hw, QRX_CONTEXT(i, rxq_index), + *((u32 *)(ice_rxq_ctx + (i * sizeof(u32))))); + + ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, + *((u32 *)(ice_rxq_ctx + (i * sizeof(u32))))); + } + + return ICE_SUCCESS; +} + +/* LAN Rx Queue Context */ +static const struct ice_ctx_ele ice_rlan_ctx_info[] = { + /* Field Width LSB */ + ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0), + ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13), + ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32), + ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89), + ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102), + ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109), + ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114), + ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116), + ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117), + ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119), + ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120), + ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124), + ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127), + ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174), + ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193), + ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194), + ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195), + ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196), + ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198), + { 0 } +}; + +/** + * ice_write_rxq_ctx + * @hw: pointer to the hardware structure + * @rlan_ctx: pointer to the rxq context + * @rxq_index: the index of the Rx queue + * + * Converts rxq context from sparse to dense structure and then writes + * it to hw register space + */ +enum ice_status +ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx, + u32 rxq_index) +{ + u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 }; + + ice_set_ctx((u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info); + return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index); +} + +#if !defined(NO_UNUSED_CTX_CODE) || defined(AE_DRIVER) +/** + * ice_clear_rxq_ctx + * @hw: pointer to the hardware structure + * @rxq_index: the index of the Rx queue to clear + * + * Clears rxq context in hw register space + */ +enum ice_status ice_clear_rxq_ctx(struct ice_hw *hw, u32 rxq_index) +{ + u8 i; + + if (rxq_index > QRX_CTRL_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Clear each dword register separately */ + for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) + wr32(hw, QRX_CONTEXT(i, rxq_index), 0); + + return ICE_SUCCESS; +} +#endif /* !NO_UNUSED_CTX_CODE || AE_DRIVER */ + +/* LAN Tx Queue Context */ +const struct ice_ctx_ele ice_tlan_ctx_info[] = { + /* Field Width LSB */ + ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0), + ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57), + ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60), + ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65), + ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68), + ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78), + ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80), + ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90), + ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92), + ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93), + ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101), + ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102), + ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103), + ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104), + ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105), + ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114), + ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128), + ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129), + ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135), + ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148), + ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152), + ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153), + ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164), + ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165), + ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166), + ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168), + ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 110, 171), + { 0 } +}; + +#if !defined(NO_UNUSED_CTX_CODE) || defined(AE_DRIVER) +/** + * ice_copy_tx_cmpltnq_ctx_to_hw + * @hw: pointer to the hardware structure + * @ice_tx_cmpltnq_ctx: pointer to the Tx completion queue context + * @tx_cmpltnq_index: the index of the completion queue + * + * Copies Tx completion q context from dense structure to hw register space + */ +static enum ice_status +ice_copy_tx_cmpltnq_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_cmpltnq_ctx, + u32 tx_cmpltnq_index) +{ + u8 i; + + if (!ice_tx_cmpltnq_ctx) + return ICE_ERR_BAD_PTR; + + if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Copy each dword separately to hw */ + for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++) { + wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index), + *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32))))); + + ice_debug(hw, ICE_DBG_QCTX, "cmpltnqdata[%d]: %08X\n", i, + *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32))))); + } + + return ICE_SUCCESS; +} + +/* LAN Tx Completion Queue Context */ +static const struct ice_ctx_ele ice_tx_cmpltnq_ctx_info[] = { + /* Field Width LSB */ + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, base, 57, 0), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, q_len, 18, 64), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, generation, 1, 96), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, wrt_ptr, 22, 97), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, pf_num, 3, 128), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_num, 10, 131), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_type, 2, 141), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, tph_desc_wr, 1, 160), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cpuid, 8, 161), + ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cmpltn_cache, 512, 192), + { 0 } +}; + +/** + * ice_write_tx_cmpltnq_ctx + * @hw: pointer to the hardware structure + * @tx_cmpltnq_ctx: pointer to the completion queue context + * @tx_cmpltnq_index: the index of the completion queue + * + * Converts completion queue context from sparse to dense structure and then + * writes it to hw register space + */ +enum ice_status +ice_write_tx_cmpltnq_ctx(struct ice_hw *hw, + struct ice_tx_cmpltnq_ctx *tx_cmpltnq_ctx, + u32 tx_cmpltnq_index) +{ + u8 ctx_buf[ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 }; + + ice_set_ctx((u8 *)tx_cmpltnq_ctx, ctx_buf, ice_tx_cmpltnq_ctx_info); + return ice_copy_tx_cmpltnq_ctx_to_hw(hw, ctx_buf, tx_cmpltnq_index); +} + +/** + * ice_clear_tx_cmpltnq_ctx + * @hw: pointer to the hardware structure + * @tx_cmpltnq_index: the index of the completion queue to clear + * + * Clears Tx completion queue context in hw register space + */ +enum ice_status +ice_clear_tx_cmpltnq_ctx(struct ice_hw *hw, u32 tx_cmpltnq_index) +{ + u8 i; + + if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Clear each dword register separately */ + for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++) + wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index), 0); + + return ICE_SUCCESS; +} + +/** + * ice_copy_tx_drbell_q_ctx_to_hw + * @hw: pointer to the hardware structure + * @ice_tx_drbell_q_ctx: pointer to the doorbell queue context + * @tx_drbell_q_index: the index of the doorbell queue + * + * Copies doorbell q context from dense structure to hw register space + */ +static enum ice_status +ice_copy_tx_drbell_q_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_drbell_q_ctx, + u32 tx_drbell_q_index) +{ + u8 i; + + if (!ice_tx_drbell_q_ctx) + return ICE_ERR_BAD_PTR; + + if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Copy each dword separately to hw */ + for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++) { + wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index), + *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32))))); + + ice_debug(hw, ICE_DBG_QCTX, "tx_drbell_qdata[%d]: %08X\n", i, + *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32))))); + } + + return ICE_SUCCESS; +} + +/* LAN Tx Doorbell Queue Context info */ +static const struct ice_ctx_ele ice_tx_drbell_q_ctx_info[] = { + /* Field Width LSB */ + ICE_CTX_STORE(ice_tx_drbell_q_ctx, base, 57, 0), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, ring_len, 13, 64), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, pf_num, 3, 80), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, vf_num, 8, 84), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, vmvf_type, 2, 94), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, cpuid, 8, 96), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_rd, 1, 104), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_wr, 1, 108), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, db_q_en, 1, 112), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_head, 13, 128), + ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_tail, 13, 144), + { 0 } +}; + +/** + * ice_write_tx_drbell_q_ctx + * @hw: pointer to the hardware structure + * @tx_drbell_q_ctx: pointer to the doorbell queue context + * @tx_drbell_q_index: the index of the doorbell queue + * + * Converts doorbell queue context from sparse to dense structure and then + * writes it to hw register space + */ +enum ice_status +ice_write_tx_drbell_q_ctx(struct ice_hw *hw, + struct ice_tx_drbell_q_ctx *tx_drbell_q_ctx, + u32 tx_drbell_q_index) +{ + u8 ctx_buf[ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 }; + + ice_set_ctx((u8 *)tx_drbell_q_ctx, ctx_buf, ice_tx_drbell_q_ctx_info); + return ice_copy_tx_drbell_q_ctx_to_hw(hw, ctx_buf, tx_drbell_q_index); +} + +/** + * ice_clear_tx_drbell_q_ctx + * @hw: pointer to the hardware structure + * @tx_drbell_q_index: the index of the doorbell queue to clear + * + * Clears doorbell queue context in hw register space + */ +enum ice_status +ice_clear_tx_drbell_q_ctx(struct ice_hw *hw, u32 tx_drbell_q_index) +{ + u8 i; + + if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX) + return ICE_ERR_PARAM; + + /* Clear each dword register separately */ + for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++) + wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index), 0); + + return ICE_SUCCESS; +} +#endif /* !NO_UNUSED_CTX_CODE || AE_DRIVER */ + +/** + * ice_debug_cq + * @hw: pointer to the hardware structure + * @mask: debug mask + * @desc: pointer to control queue descriptor + * @buf: pointer to command buffer + * @buf_len: max length of buf + * + * Dumps debug log about control command with descriptor contents. + */ +void +ice_debug_cq(struct ice_hw *hw, u32 mask, void *desc, void *buf, u16 buf_len) +{ + struct ice_aq_desc *cq_desc = (struct ice_aq_desc *)desc; + u16 len; + + if (!(mask & hw->debug_mask)) + return; + + if (!desc) + return; + + len = LE16_TO_CPU(cq_desc->datalen); + + ice_debug(hw, mask, + "CQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n", + LE16_TO_CPU(cq_desc->opcode), + LE16_TO_CPU(cq_desc->flags), + LE16_TO_CPU(cq_desc->datalen), LE16_TO_CPU(cq_desc->retval)); + ice_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n", + LE32_TO_CPU(cq_desc->cookie_high), + LE32_TO_CPU(cq_desc->cookie_low)); + ice_debug(hw, mask, "\tparam (0,1) 0x%08X 0x%08X\n", + LE32_TO_CPU(cq_desc->params.generic.param0), + LE32_TO_CPU(cq_desc->params.generic.param1)); + ice_debug(hw, mask, "\taddr (h,l) 0x%08X 0x%08X\n", + LE32_TO_CPU(cq_desc->params.generic.addr_high), + LE32_TO_CPU(cq_desc->params.generic.addr_low)); + if (buf && cq_desc->datalen != 0) { + ice_debug(hw, mask, "Buffer:\n"); + if (buf_len < len) + len = buf_len; + + ice_debug_array(hw, mask, 16, 1, (u8 *)buf, len); + } +} + + +/* FW Admin Queue command wrappers */ + +/** + * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue + * @hw: pointer to the hw struct + * @desc: descriptor describing the command + * @buf: buffer to use for indirect commands (NULL for direct commands) + * @buf_size: size of buffer for indirect commands (0 for direct commands) + * @cd: pointer to command details structure + * + * Helper function to send FW Admin Queue commands to the FW Admin Queue. + */ +enum ice_status +ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf, + u16 buf_size, struct ice_sq_cd *cd) +{ + return ice_sq_send_cmd(hw, &hw->adminq, desc, buf, buf_size, cd); +} + +/** + * ice_aq_get_fw_ver + * @hw: pointer to the hw struct + * @cd: pointer to command details structure or NULL + * + * Get the firmware version (0x0001) from the admin queue commands + */ +enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd) +{ + struct ice_aqc_get_ver *resp; + struct ice_aq_desc desc; + enum ice_status status; + + resp = &desc.params.get_ver; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver); + + status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); + + if (!status) { + hw->fw_branch = resp->fw_branch; + hw->fw_maj_ver = resp->fw_major; + hw->fw_min_ver = resp->fw_minor; + hw->fw_patch = resp->fw_patch; + hw->fw_build = LE32_TO_CPU(resp->fw_build); + hw->api_branch = resp->api_branch; + hw->api_maj_ver = resp->api_major; + hw->api_min_ver = resp->api_minor; + hw->api_patch = resp->api_patch; + } + + return status; +} + + +/** + * ice_aq_q_shutdown + * @hw: pointer to the hw struct + * @unloading: is the driver unloading itself + * + * Tell the Firmware that we're shutting down the AdminQ and whether + * or not the driver is unloading as well (0x0003). + */ +enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading) +{ + struct ice_aqc_q_shutdown *cmd; + struct ice_aq_desc desc; + + cmd = &desc.params.q_shutdown; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown); + + if (unloading) + cmd->driver_unloading = CPU_TO_LE32(ICE_AQC_DRIVER_UNLOADING); + + return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); +} + +/** + * ice_aq_req_res + * @hw: pointer to the hw struct + * @res: resource id + * @access: access type + * @sdp_number: resource number + * @timeout: the maximum time in ms that the driver may hold the resource + * @cd: pointer to command details structure or NULL + * + * Requests common resource using the admin queue commands (0x0008). + * When attempting to acquire the Global Config Lock, the driver can + * learn of three states: + * 1) ICE_SUCCESS - acquired lock, and can perform download package + * 2) ICE_ERR_AQ_ERROR - did not get lock, driver should fail to load + * 3) ICE_ERR_AQ_NO_WORK - did not get lock, but another driver has + * successfully downloaded the package; the driver does + * not have to download the package and can continue + * loading + * + * Note that if the caller is in an acquire lock, perform action, release lock + * phase of operation, it is possible that the FW may detect a timeout and issue + * a CORER. In this case, the driver will receive a CORER interrupt and will + * have to determine its cause. The calling thread that is handling this flow + * will likely get an error propagated back to it indicating the Download + * Package, Update Package or the Release Resource AQ commands timed out. + */ +static enum ice_status +ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res, + enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout, + struct ice_sq_cd *cd) +{ + struct ice_aqc_req_res *cmd_resp; + struct ice_aq_desc desc; + enum ice_status status; + + ice_debug(hw, ICE_DBG_TRACE, "ice_aq_req_res"); + + cmd_resp = &desc.params.res_owner; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res); + + cmd_resp->res_id = CPU_TO_LE16(res); + cmd_resp->access_type = CPU_TO_LE16(access); + cmd_resp->res_number = CPU_TO_LE32(sdp_number); + cmd_resp->timeout = CPU_TO_LE32(*timeout); + *timeout = 0; + + status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); + + /* The completion specifies the maximum time in ms that the driver + * may hold the resource in the Timeout field. + */ + + /* Global config lock response utilizes an additional status field. + * + * If the Global config lock resource is held by some other driver, the + * command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field + * and the timeout field indicates the maximum time the current owner + * of the resource has to free it. + */ + if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) { + if (LE16_TO_CPU(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) { + *timeout = LE32_TO_CPU(cmd_resp->timeout); + return ICE_SUCCESS; + } else if (LE16_TO_CPU(cmd_resp->status) == + ICE_AQ_RES_GLBL_IN_PROG) { + *timeout = LE32_TO_CPU(cmd_resp->timeout); + return ICE_ERR_AQ_ERROR; + } else if (LE16_TO_CPU(cmd_resp->status) == + ICE_AQ_RES_GLBL_DONE) { + return ICE_ERR_AQ_NO_WORK; + } + + /* invalid FW response, force a timeout immediately */ + *timeout = 0; + return ICE_ERR_AQ_ERROR; + } + + /* If the resource is held by some other driver, the command completes + * with a busy return value and the timeout field indicates the maximum + * time the current owner of the resource has to free it. + */ + if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY) + *timeout = LE32_TO_CPU(cmd_resp->timeout); + + return status; +} + +/** + * ice_aq_release_res + * @hw: pointer to the hw struct + * @res: resource id + * @sdp_number: resource number + * @cd: pointer to command details structure or NULL + * + * release common resource using the admin queue commands (0x0009) + */ +static enum ice_status +ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number, + struct ice_sq_cd *cd) +{ + struct ice_aqc_req_res *cmd; + struct ice_aq_desc desc; + + ice_debug(hw, ICE_DBG_TRACE, "ice_aq_release_res"); + + cmd = &desc.params.res_owner; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res); + + cmd->res_id = CPU_TO_LE16(res); + cmd->res_number = CPU_TO_LE32(sdp_number); + + return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); +} + +/** + * ice_acquire_res + * @hw: pointer to the HW structure + * @res: resource id + * @access: access type (read or write) + * @timeout: timeout in milliseconds + * + * This function will attempt to acquire the ownership of a resource. + */ +enum ice_status +ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res, + enum ice_aq_res_access_type access, u32 timeout) +{ +#define ICE_RES_POLLING_DELAY_MS 10 + u32 delay = ICE_RES_POLLING_DELAY_MS; + u32 time_left = timeout; + enum ice_status status; + + ice_debug(hw, ICE_DBG_TRACE, "ice_acquire_res"); + + status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL); + + /* A return code of ICE_ERR_AQ_NO_WORK means that another driver has + * previously acquired the resource and performed any necessary updates; + * in this case the caller does not obtain the resource and has no + * further work to do. + */ + if (status == ICE_ERR_AQ_NO_WORK) + goto ice_acquire_res_exit; + + if (status) + ice_debug(hw, ICE_DBG_RES, + "resource %d acquire type %d failed.\n", res, access); + + /* If necessary, poll until the current lock owner timeouts */ + timeout = time_left; + while (status && timeout && time_left) { + ice_msec_delay(delay, true); + timeout = (timeout > delay) ? timeout - delay : 0; + status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL); + + if (status == ICE_ERR_AQ_NO_WORK) + /* lock free, but no work to do */ + break; + + if (!status) + /* lock acquired */ + break; + } + if (status && status != ICE_ERR_AQ_NO_WORK) + ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n"); + +ice_acquire_res_exit: + if (status == ICE_ERR_AQ_NO_WORK) { + if (access == ICE_RES_WRITE) + ice_debug(hw, ICE_DBG_RES, + "resource indicates no work to do.\n"); + else + ice_debug(hw, ICE_DBG_RES, + "Warning: ICE_ERR_AQ_NO_WORK not expected\n"); + } + return status; +} + +/** + * ice_release_res + * @hw: pointer to the HW structure + * @res: resource id + * + * This function will release a resource using the proper Admin Command. + */ +void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res) +{ + enum ice_status status; + u32 total_delay = 0; + + ice_debug(hw, ICE_DBG_TRACE, "ice_release_res"); + + status = ice_aq_release_res(hw, res, 0, NULL); + + /* there are some rare cases when trying to release the resource + * results in an admin Q timeout, so handle them correctly + */ + while ((status == ICE_ERR_AQ_TIMEOUT) && + (total_delay < hw->adminq.sq_cmd_timeout)) { + ice_msec_delay(1, true); + status = ice_aq_release_res(hw, res, 0, NULL); + total_delay++; + } +} + +/** + * ice_aq_alloc_free_res - command to allocate/free resources + * @hw: pointer to the hw struct + * @num_entries: number of resource entries in buffer + * @buf: Indirect buffer to hold data parameters and response + * @buf_size: size of buffer for indirect commands + * @opc: pass in the command opcode + * @cd: pointer to command details structure or NULL + * + * Helper function to allocate/free resources using the admin queue commands + */ +enum ice_status +ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries, + struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size, + enum ice_adminq_opc opc, struct ice_sq_cd *cd) +{ + struct ice_aqc_alloc_free_res_cmd *cmd; + struct ice_aq_desc desc; + + ice_debug(hw, ICE_DBG_TRACE, "ice_aq_alloc_free_res"); + + cmd = &desc.params.sw_res_ctrl; + + if (!buf) + return ICE_ERR_PARAM; + + if (buf_size < (num_entries * sizeof(buf->elem[0]))) + return ICE_ERR_PARAM; + + ice_fill_dflt_direct_cmd_desc(&desc, opc); + + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + + cmd->num_entries = CPU_TO_LE16(num_entries); + + return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); +} + + +/** + * ice_get_num_per_func - determine number of resources per PF + * @hw: pointer to the hw structure + * @max: value to be evenly split between each PF + * + * Determine the number of valid functions by going through the bitmap returned + * from parsing capabilities and use this to calculate the number of resources + * per PF based on the max value passed in. + */ +static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max) +{ + u8 funcs; + +#define ICE_CAPS_VALID_FUNCS_M 0xFF + funcs = ice_hweight8(hw->dev_caps.common_cap.valid_functions & + ICE_CAPS_VALID_FUNCS_M); + + if (!funcs) + return 0; + + return max / funcs; +} + +/** + * ice_parse_caps - parse function/device capabilities + * @hw: pointer to the hw struct + * @buf: pointer to a buffer containing function/device capability records + * @cap_count: number of capability records in the list + * @opc: type of capabilities list to parse + * + * Helper function to parse function(0x000a)/device(0x000b) capabilities list. + */ +static void +ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count, + enum ice_adminq_opc opc) +{ + struct ice_aqc_list_caps_elem *cap_resp; + struct ice_hw_func_caps *func_p = NULL; + struct ice_hw_dev_caps *dev_p = NULL; + struct ice_hw_common_caps *caps; + u32 i; + + if (!buf) + return; + + cap_resp = (struct ice_aqc_list_caps_elem *)buf; + + if (opc == ice_aqc_opc_list_dev_caps) { + dev_p = &hw->dev_caps; + caps = &dev_p->common_cap; + } else if (opc == ice_aqc_opc_list_func_caps) { + func_p = &hw->func_caps; + caps = &func_p->common_cap; + } else { + ice_debug(hw, ICE_DBG_INIT, "wrong opcode\n"); + return; + } + + for (i = 0; caps && i < cap_count; i++, cap_resp++) { + u32 logical_id = LE32_TO_CPU(cap_resp->logical_id); + u32 phys_id = LE32_TO_CPU(cap_resp->phys_id); + u32 number = LE32_TO_CPU(cap_resp->number); + u16 cap = LE16_TO_CPU(cap_resp->cap); + + switch (cap) { + case ICE_AQC_CAPS_VALID_FUNCTIONS: + caps->valid_functions = number; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Valid Functions = %d\n", + caps->valid_functions); + break; + case ICE_AQC_CAPS_VSI: + if (dev_p) { + dev_p->num_vsi_allocd_to_host = number; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Dev.VSI cnt = %d\n", + dev_p->num_vsi_allocd_to_host); + } else if (func_p) { + func_p->guar_num_vsi = + ice_get_num_per_func(hw, ICE_MAX_VSI); + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Func.VSI cnt = %d\n", + number); + } + break; + case ICE_AQC_CAPS_RSS: + caps->rss_table_size = number; + caps->rss_table_entry_width = logical_id; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: RSS table size = %d\n", + caps->rss_table_size); + ice_debug(hw, ICE_DBG_INIT, + "HW caps: RSS table width = %d\n", + caps->rss_table_entry_width); + break; + case ICE_AQC_CAPS_RXQS: + caps->num_rxq = number; + caps->rxq_first_id = phys_id; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Num Rx Qs = %d\n", caps->num_rxq); + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Rx first queue ID = %d\n", + caps->rxq_first_id); + break; + case ICE_AQC_CAPS_TXQS: + caps->num_txq = number; + caps->txq_first_id = phys_id; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Num Tx Qs = %d\n", caps->num_txq); + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Tx first queue ID = %d\n", + caps->txq_first_id); + break; + case ICE_AQC_CAPS_MSIX: + caps->num_msix_vectors = number; + caps->msix_vector_first_id = phys_id; + ice_debug(hw, ICE_DBG_INIT, + "HW caps: MSIX vector count = %d\n", + caps->num_msix_vectors); + ice_debug(hw, ICE_DBG_INIT, + "HW caps: MSIX first vector index = %d\n", + caps->msix_vector_first_id); + break; + case ICE_AQC_CAPS_MAX_MTU: + caps->max_mtu = number; + if (dev_p) + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Dev.MaxMTU = %d\n", + caps->max_mtu); + else if (func_p) + ice_debug(hw, ICE_DBG_INIT, + "HW caps: func.MaxMTU = %d\n", + caps->max_mtu); + break; + default: + ice_debug(hw, ICE_DBG_INIT, + "HW caps: Unknown capability[%d]: 0x%x\n", i, + cap); + break; + } + } +} + +/** + * ice_aq_discover_caps - query function/device capabilities + * @hw: pointer to the hw struct + * @buf: a virtual buffer to hold the capabilities + * @buf_size: Size of the virtual buffer + * @cap_count: cap count needed if AQ err==ENOMEM + * @opc: capabilities type to discover - pass in the command opcode + * @cd: pointer to command details structure or NULL + * + * Get the function(0x000a)/device(0x000b) capabilities description from + * the firmware. + */ +static enum ice_status +ice_aq_discover_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count, + enum ice_adminq_opc opc, struct ice_sq_cd *cd) +{ + struct ice_aqc_list_caps *cmd; + struct ice_aq_desc desc; + enum ice_status status; + + cmd = &desc.params.get_cap; + + if (opc != ice_aqc_opc_list_func_caps && + opc != ice_aqc_opc_list_dev_caps) + return ICE_ERR_PARAM; + + ice_fill_dflt_direct_cmd_desc(&desc, opc); + + status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); + if (!status) + ice_parse_caps(hw, buf, LE32_TO_CPU(cmd->count), opc); + else if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOMEM) + *cap_count = LE32_TO_CPU(cmd->count); + return status; +} + +/** + * ice_discover_caps - get info about the HW + * @hw: pointer to the hardware structure + * @opc: capabilities type to discover - pass in the command opcode + */ +static enum ice_status +ice_discover_caps(struct ice_hw *hw, enum ice_adminq_opc opc) +{ + enum ice_status status; + u32 cap_count; + u16 cbuf_len; + u8 retries; + + /* The driver doesn't know how many capabilities the device will return + * so the buffer size required isn't known ahead of time. The driver + * starts with cbuf_len and if this turns out to be insufficient, the + * device returns ICE_AQ_RC_ENOMEM and also the cap_count it needs. + * The driver then allocates the buffer based on the count and retries + * the operation. So it follows that the retry count is 2. + */ +#define ICE_GET_CAP_BUF_COUNT 40 +#define ICE_GET_CAP_RETRY_COUNT 2 + + cap_count = ICE_GET_CAP_BUF_COUNT; + retries = ICE_GET_CAP_RETRY_COUNT; + + do { + void *cbuf; + + cbuf_len = (u16)(cap_count * + sizeof(struct ice_aqc_list_caps_elem)); + cbuf = ice_malloc(hw, cbuf_len); + if (!cbuf) + return ICE_ERR_NO_MEMORY; + + status = ice_aq_discover_caps(hw, cbuf, cbuf_len, &cap_count, + opc, NULL); + ice_free(hw, cbuf); + + if (!status || hw->adminq.sq_last_status != ICE_AQ_RC_ENOMEM) + break; + + /* If ENOMEM is returned, try again with bigger buffer */ + } while (--retries); + + return status; +} + +/** + * ice_get_caps - get info about the HW + * @hw: pointer to the hardware structure + */ +enum ice_status ice_get_caps(struct ice_hw *hw) +{ + enum ice_status status; + + status = ice_discover_caps(hw, ice_aqc_opc_list_dev_caps); + if (!status) + status = ice_discover_caps(hw, ice_aqc_opc_list_func_caps); + + return status; +} + +/** + * ice_aq_manage_mac_write - manage MAC address write command + * @hw: pointer to the hw struct + * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address + * @flags: flags to control write behavior + * @cd: pointer to command details structure or NULL + * + * This function is used to write MAC address to the NVM (0x0108). + */ +enum ice_status +ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags, + struct ice_sq_cd *cd) +{ + struct ice_aqc_manage_mac_write *cmd; + struct ice_aq_desc desc; + + cmd = &desc.params.mac_write; + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write); + + cmd->flags = flags; + + + /* Prep values for flags, sah, sal */ + cmd->sah = HTONS(*((const u16 *)mac_addr)); + cmd->sal = HTONL(*((const u32 *)(mac_addr + 2))); + + return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); +} + +/** + * ice_aq_clear_pxe_mode + * @hw: pointer to the hw struct + * + * Tell the firmware that the driver is taking over from PXE (0x0110). + */ +static enum ice_status ice_aq_clear_pxe_mode(struct ice_hw *hw) +{ + struct ice_aq_desc desc; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode); + desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT; + + return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); +} + +/** + * ice_clear_pxe_mode - clear pxe operations mode + * @hw: pointer to the hw struct + * + * Make sure all PXE mode settings are cleared, including things + * like descriptor fetch/write-back mode. + */ +void ice_clear_pxe_mode(struct ice_hw *hw) +{ + if (ice_check_sq_alive(hw, &hw->adminq)) + ice_aq_clear_pxe_mode(hw); +} + + +/** + * ice_get_link_speed_based_on_phy_type - returns link speed + * @phy_type_low: lower part of phy_type + * @phy_type_high: higher part of phy_type + * + * This helper function will convert an entry in phy type structure + * [phy_type_low, phy_type_high] to its corresponding link speed. + * Note: In the structure of [phy_type_low, phy_type_high], there should + * be one bit set, as this function will convert one phy type to its + * speed. + * If no bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned + * If more than one bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned + */ +static u16 +ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high) +{ + u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN; + u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN; + + switch (phy_type_low) { + case ICE_PHY_TYPE_LOW_100BASE_TX: + case ICE_PHY_TYPE_LOW_100M_SGMII: + speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB; + break; + case ICE_PHY_TYPE_LOW_1000BASE_T: + case ICE_PHY_TYPE_LOW_1000BASE_SX: + case ICE_PHY_TYPE_LOW_1000BASE_LX: + case ICE_PHY_TYPE_LOW_1000BASE_KX: + case ICE_PHY_TYPE_LOW_1G_SGMII: + speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB; + break; + case ICE_PHY_TYPE_LOW_2500BASE_T: + case ICE_PHY_TYPE_LOW_2500BASE_X: + case ICE_PHY_TYPE_LOW_2500BASE_KX: + speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB; + break; + case ICE_PHY_TYPE_LOW_5GBASE_T: + case ICE_PHY_TYPE_LOW_5GBASE_KR: + speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB; + break; + case ICE_PHY_TYPE_LOW_10GBASE_T: + case ICE_PHY_TYPE_LOW_10G_SFI_DA: + case ICE_PHY_TYPE_LOW_10GBASE_SR: + case ICE_PHY_TYPE_LOW_10GBASE_LR: + case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: + case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: + case ICE_PHY_TYPE_LOW_10G_SFI_C2C: + speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB; + break; + case ICE_PHY_TYPE_LOW_25GBASE_T: + case ICE_PHY_TYPE_LOW_25GBASE_CR: + case ICE_PHY_TYPE_LOW_25GBASE_CR_S: + case ICE_PHY_TYPE_LOW_25GBASE_CR1: + case ICE_PHY_TYPE_LOW_25GBASE_SR: + case ICE_PHY_TYPE_LOW_25GBASE_LR: + case ICE_PHY_TYPE_LOW_25GBASE_KR: + case ICE_PHY_TYPE_LOW_25GBASE_KR_S: + case ICE_PHY_TYPE_LOW_25GBASE_KR1: + case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: + case ICE_PHY_TYPE_LOW_25G_AUI_C2C: + speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB; + break; + case ICE_PHY_TYPE_LOW_40GBASE_CR4: + case ICE_PHY_TYPE_LOW_40GBASE_SR4: + case ICE_PHY_TYPE_LOW_40GBASE_LR4: + case ICE_PHY_TYPE_LOW_40GBASE_KR4: + case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: + case ICE_PHY_TYPE_LOW_40G_XLAUI: + speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB; + break; + case ICE_PHY_TYPE_LOW_50GBASE_CR2: + case ICE_PHY_TYPE_LOW_50GBASE_SR2: + case ICE_PHY_TYPE_LOW_50GBASE_LR2: + case ICE_PHY_TYPE_LOW_50GBASE_KR2: + case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: + case ICE_PHY_TYPE_LOW_50G_LAUI2: + case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: + case ICE_PHY_TYPE_LOW_50G_AUI2: + case ICE_PHY_TYPE_LOW_50GBASE_CP: + case ICE_PHY_TYPE_LOW_50GBASE_SR: + case ICE_PHY_TYPE_LOW_50GBASE_FR: + case ICE_PHY_TYPE_LOW_50GBASE_LR: + case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: + case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: + case ICE_PHY_TYPE_LOW_50G_AUI1: + speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB; + break; + case ICE_PHY_TYPE_LOW_100GBASE_CR4: + case ICE_PHY_TYPE_LOW_100GBASE_SR4: + case ICE_PHY_TYPE_LOW_100GBASE_LR4: + case ICE_PHY_TYPE_LOW_100GBASE_KR4: + case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: + case ICE_PHY_TYPE_LOW_100G_CAUI4: + case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: + case ICE_PHY_TYPE_LOW_100G_AUI4: + case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: + case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: + case ICE_PHY_TYPE_LOW_100GBASE_CP2: + case ICE_PHY_TYPE_LOW_100GBASE_SR2: + case ICE_PHY_TYPE_LOW_100GBASE_DR: + speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB; + break; + default: + speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN; + break; + } + + switch (phy_type_high) { + case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: + case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: + case ICE_PHY_TYPE_HIGH_100G_CAUI2: + case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: + case ICE_PHY_TYPE_HIGH_100G_AUI2: + speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB; + break; + default: + speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN; + break; + } + + if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN && + speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN) + return ICE_AQ_LINK_SPEED_UNKNOWN; + else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN && + speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN) + return ICE_AQ_LINK_SPEED_UNKNOWN; + else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN && + speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN) + return speed_phy_type_low; + else + return speed_phy_type_high; +} + +/** + * ice_update_phy_type + * @phy_type_low: pointer to the lower part of phy_type + * @phy_type_high: pointer to the higher part of phy_type + * @link_speeds_bitmap: targeted link speeds bitmap + * + * Note: For the link_speeds_bitmap structure, you can check it at + * [ice_aqc_get_link_status->link_speed]. Caller can pass in + * link_speeds_bitmap include multiple speeds. + * + * Each entry in this [phy_type_low, phy_type_high] structure will + * present a certain link speed. This helper function will turn on bits + * in [phy_type_low, phy_type_high] structure based on the value of + * link_speeds_bitmap input parameter. + */ +void +ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high, + u16 link_speeds_bitmap) +{ + u16 speed = ICE_AQ_LINK_SPEED_UNKNOWN; + u64 pt_high; + u64 pt_low; + int index; + + /* We first check with low part of phy_type */ + for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) { + pt_low = BIT_ULL(index); + speed = ice_get_link_speed_based_on_phy_type(pt_low, 0); + + if (link_speeds_bitmap & speed) + *phy_type_low |= BIT_ULL(index); + } + + /* We then check with high part of phy_type */ + for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) { + pt_high = BIT_ULL(index); + speed = ice_get_link_speed_based_on_phy_type(0, pt_high); + + if (link_speeds_bitmap & speed) + *phy_type_high |= BIT_ULL(index); + } +} + +/** + * ice_aq_set_phy_cfg + * @hw: pointer to the hw struct + * @lport: logical port number + * @cfg: structure with PHY configuration data to be set + * @cd: pointer to command details structure or NULL + * + * Set the various PHY configuration parameters supported on the Port. + * One or more of the Set PHY config parameters may be ignored in an MFP + * mode as the PF may not have the privilege to set some of the PHY Config + * parameters. This status will be indicated by the command response (0x0601). + */ +enum ice_status +ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport, + struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd) +{ + struct ice_aq_desc desc; + + if (!cfg) + return ICE_ERR_PARAM; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg); + desc.params.set_phy.lport_num = lport; + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + + return ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd); +} + +/** + * ice_update_link_info - update status of the HW network link + * @pi: port info structure of the interested logical port + */ +enum ice_status ice_update_link_info(struct ice_port_info *pi) +{ + struct ice_aqc_get_phy_caps_data *pcaps; + struct ice_phy_info *phy_info; + enum ice_status status; + struct ice_hw *hw; + + if (!pi) + return ICE_ERR_PARAM; + + hw = pi->hw; + + pcaps = (struct ice_aqc_get_phy_caps_data *) + ice_malloc(hw, sizeof(*pcaps)); + if (!pcaps) + return ICE_ERR_NO_MEMORY; + + phy_info = &pi->phy; + status = ice_aq_get_link_info(pi, true, NULL, NULL); + if (status) + goto out; + + if (phy_info->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { + status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, + pcaps, NULL); + if (status) + goto out; + + ice_memcpy(phy_info->link_info.module_type, &pcaps->module_type, + sizeof(phy_info->link_info.module_type), + ICE_NONDMA_TO_NONDMA); + } +out: + ice_free(hw, pcaps); + return status; +} + +/** + * ice_set_fc + * @pi: port information structure + * @aq_failures: pointer to status code, specific to ice_set_fc routine + * @ena_auto_link_update: enable automatic link update + * + * Set the requested flow control mode. + */ +enum ice_status +ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update) +{ + struct ice_aqc_set_phy_cfg_data cfg = { 0 }; + struct ice_aqc_get_phy_caps_data *pcaps; + enum ice_status status; + u8 pause_mask = 0x0; + struct ice_hw *hw; + + if (!pi) + return ICE_ERR_PARAM; + hw = pi->hw; + *aq_failures = ICE_SET_FC_AQ_FAIL_NONE; + + switch (pi->fc.req_mode) { + case ICE_FC_FULL: + pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE; + pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE; + break; + case ICE_FC_RX_PAUSE: + pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE; + break; + case ICE_FC_TX_PAUSE: + pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE; + break; + default: + break; + } + + pcaps = (struct ice_aqc_get_phy_caps_data *) + ice_malloc(hw, sizeof(*pcaps)); + if (!pcaps) + return ICE_ERR_NO_MEMORY; + + /* Get the current phy config */ + status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, + NULL); + if (status) { + *aq_failures = ICE_SET_FC_AQ_FAIL_GET; + goto out; + } + + /* clear the old pause settings */ + cfg.caps = pcaps->caps & ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE | + ICE_AQC_PHY_EN_RX_LINK_PAUSE); + /* set the new capabilities */ + cfg.caps |= pause_mask; + /* If the capabilities have changed, then set the new config */ + if (cfg.caps != pcaps->caps) { + int retry_count, retry_max = 10; + + /* Auto restart link so settings take effect */ + if (ena_auto_link_update) + cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; + /* Copy over all the old settings */ + cfg.phy_type_high = pcaps->phy_type_high; + cfg.phy_type_low = pcaps->phy_type_low; + cfg.low_power_ctrl = pcaps->low_power_ctrl; + cfg.eee_cap = pcaps->eee_cap; + cfg.eeer_value = pcaps->eeer_value; + cfg.link_fec_opt = pcaps->link_fec_options; + + status = ice_aq_set_phy_cfg(hw, pi->lport, &cfg, NULL); + if (status) { + *aq_failures = ICE_SET_FC_AQ_FAIL_SET; + goto out; + } + + /* Update the link info + * It sometimes takes a really long time for link to + * come back from the atomic reset. Thus, we wait a + * little bit. + */ + for (retry_count = 0; retry_count < retry_max; retry_count++) { + status = ice_update_link_info(pi); + + if (status == ICE_SUCCESS) + break; + + ice_msec_delay(100, true); + } + + if (status) + *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE; + } + +out: + ice_free(hw, pcaps); + return status; +} + +/** + * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data + * @caps: PHY ability structure to copy date from + * @cfg: PHY configuration structure to copy data to + * + * Helper function to copy AQC PHY get ability data to PHY set configuration + * data structure + */ +void +ice_copy_phy_caps_to_cfg(struct ice_aqc_get_phy_caps_data *caps, + struct ice_aqc_set_phy_cfg_data *cfg) +{ + if (!caps || !cfg) + return; + + cfg->phy_type_low = caps->phy_type_low; + cfg->phy_type_high = caps->phy_type_high; + cfg->caps = caps->caps; + cfg->low_power_ctrl = caps->low_power_ctrl; + cfg->eee_cap = caps->eee_cap; + cfg->eeer_value = caps->eeer_value; + cfg->link_fec_opt = caps->link_fec_options; +} + +/** + * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode + * @cfg: PHY configuration data to set FEC mode + * @fec: FEC mode to configure + * + * Caller should copy ice_aqc_get_phy_caps_data.caps ICE_AQC_PHY_EN_AUTO_FEC + * (bit 7) and ice_aqc_get_phy_caps_data.link_fec_options to cfg.caps + * ICE_AQ_PHY_ENA_AUTO_FEC (bit 7) and cfg.link_fec_options before calling. + */ +void +ice_cfg_phy_fec(struct ice_aqc_set_phy_cfg_data *cfg, enum ice_fec_mode fec) +{ + switch (fec) { + case ICE_FEC_BASER: + /* Clear auto FEC and RS bits, and AND BASE-R ability + * bits and OR request bits. + */ + cfg->caps &= ~ICE_AQC_PHY_EN_AUTO_FEC; + cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN | + ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN; + cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ | + ICE_AQC_PHY_FEC_25G_KR_REQ; + break; + case ICE_FEC_RS: + /* Clear auto FEC and BASE-R bits, and AND RS ability + * bits and OR request bits. + */ + cfg->caps &= ~ICE_AQC_PHY_EN_AUTO_FEC; + cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN; + cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ | + ICE_AQC_PHY_FEC_25G_RS_544_REQ; + break; + case ICE_FEC_NONE: + /* Clear auto FEC and all FEC option bits. */ + cfg->caps &= ~ICE_AQC_PHY_EN_AUTO_FEC; + cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK; + break; + case ICE_FEC_AUTO: + /* AND auto FEC bit, and all caps bits. */ + cfg->caps &= ICE_AQC_PHY_CAPS_MASK; + break; + } +} + +/** + * ice_get_link_status - get status of the HW network link + * @pi: port information structure + * @link_up: pointer to bool (true/false = linkup/linkdown) + * + * Variable link_up is true if link is up, false if link is down. + * The variable link_up is invalid if status is non zero. As a + * result of this call, link status reporting becomes enabled + */ +enum ice_status ice_get_link_status(struct ice_port_info *pi, bool *link_up) +{ + struct ice_phy_info *phy_info; + enum ice_status status = ICE_SUCCESS; + + if (!pi || !link_up) + return ICE_ERR_PARAM; + + phy_info = &pi->phy; + + if (phy_info->get_link_info) { + status = ice_update_link_info(pi); + + if (status) + ice_debug(pi->hw, ICE_DBG_LINK, + "get link status error, status = %d\n", + status); + } + + *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP; + + return status; +} + +/** + * ice_aq_set_link_restart_an + * @pi: pointer to the port information structure + * @ena_link: if true: enable link, if false: disable link + * @cd: pointer to command details structure or NULL + * + * Sets up the link and restarts the Auto-Negotiation over the link. + */ +enum ice_status +ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link, + struct ice_sq_cd *cd) +{ + struct ice_aqc_restart_an *cmd; + struct ice_aq_desc desc; + + cmd = &desc.params.restart_an; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an); + + cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART; + cmd->lport_num = pi->lport; + if (ena_link) + cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE; + else + cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE; + + return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd); +} + +/** + * ice_aq_set_event_mask + * @hw: pointer to the hw struct + * @port_num: port number of the physical function + * @mask: event mask to be set + * @cd: pointer to command details structure or NULL + * + * Set event mask (0x0613) + */ +enum ice_status +ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask, + struct ice_sq_cd *cd) +{ + struct ice_aqc_set_event_mask *cmd; + struct ice_aq_desc desc; + + cmd = &desc.params.set_event_mask; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask); + + cmd->lport_num = port_num; + + cmd->event_mask = CPU_TO_LE16(mask); + return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); +} + +/** + * ice_aq_set_mac_loopback + * @hw: pointer to the hw struct + * @ena_lpbk: Enable or Disable loopback + * @cd: pointer to command details structure or NULL + * + * Enable/disable loopback on a given port + */ +enum ice_status +ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd) +{ + struct ice_aqc_set_mac_lb *cmd; + struct ice_aq_desc desc; + + cmd = &desc.params.set_mac_lb; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb); + if (ena_lpbk) + cmd->lb_mode = ICE_AQ_MAC_LB_EN; + + return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); +} + + +/** + * ice_aq_set_port_id_led + * @pi: pointer to the port information + * @is_orig_mode: is this LED set to original mode (by the net-list) + * @cd: pointer to command details structure or NULL + * + * Set LED value for the given port (0x06e9) + */ +enum ice_status +ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode, + struct ice_sq_cd *cd) +{ + struct ice_aqc_set_port_id_led *cmd; + struct ice_hw *hw = pi->hw; + struct ice_aq_desc desc; + + cmd = &desc.params.set_port_id_led; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led); + + + if (is_orig_mode) + cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG; + else + cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK; + + return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); +} + +/** + * __ice_aq_get_set_rss_lut + * @hw: pointer to the hardware structure + * @vsi_id: VSI FW index + * @lut_type: LUT table type + * @lut: pointer to the LUT buffer provided by the caller + * @lut_size: size of the LUT buffer + * @glob_lut_idx: global LUT index + * @set: set true to set the table, false to get the table + * + * Internal function to get (0x0B05) or set (0x0B03) RSS look up table + */ +static enum ice_status +__ice_aq_get_set_rss_lut(struct ice_hw *hw, u16 vsi_id, u8 lut_type, u8 *lut, + u16 lut_size, u8 glob_lut_idx, bool set) +{ + struct ice_aqc_get_set_rss_lut *cmd_resp; + struct ice_aq_desc desc; + enum ice_status status; + u16 flags = 0; + + cmd_resp = &desc.params.get_set_rss_lut; + + if (set) { + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_lut); + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + } else { + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_lut); + } + + cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id << + ICE_AQC_GSET_RSS_LUT_VSI_ID_S) & + ICE_AQC_GSET_RSS_LUT_VSI_ID_M) | + ICE_AQC_GSET_RSS_LUT_VSI_VALID); + + switch (lut_type) { + case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI: + case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF: + case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL: + flags |= ((lut_type << ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_S) & + ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_M); + break; + default: + status = ICE_ERR_PARAM; + goto ice_aq_get_set_rss_lut_exit; + } + + if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL) { + flags |= ((glob_lut_idx << ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_S) & + ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_M); + + if (!set) + goto ice_aq_get_set_rss_lut_send; + } else if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) { + if (!set) + goto ice_aq_get_set_rss_lut_send; + } else { + goto ice_aq_get_set_rss_lut_send; + } + + /* LUT size is only valid for Global and PF table types */ + switch (lut_size) { + case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128: + flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128_FLAG << + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) & + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M; + break; + case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512: + flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512_FLAG << + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) & + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M; + break; + case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K: + if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) { + flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K_FLAG << + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) & + ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M; + break; + } + /* fall-through */ + default: + status = ICE_ERR_PARAM; + goto ice_aq_get_set_rss_lut_exit; + } + +ice_aq_get_set_rss_lut_send: + cmd_resp->flags = CPU_TO_LE16(flags); + status = ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL); + +ice_aq_get_set_rss_lut_exit: + return status; +} + +/** + * ice_aq_get_rss_lut + * @hw: pointer to the hardware structure + * @vsi_handle: software VSI handle + * @lut_type: LUT table type + * @lut: pointer to the LUT buffer provided by the caller + * @lut_size: size of the LUT buffer + * + * get the RSS lookup table, PF or VSI type + */ +enum ice_status +ice_aq_get_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type, + u8 *lut, u16 lut_size) +{ + if (!ice_is_vsi_valid(hw, vsi_handle) || !lut) + return ICE_ERR_PARAM; + + return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle), + lut_type, lut, lut_size, 0, false); +} + +/** + * ice_aq_set_rss_lut + * @hw: pointer to the hardware structure + * @vsi_handle: software VSI handle + * @lut_type: LUT table type + * @lut: pointer to the LUT buffer provided by the caller + * @lut_size: size of the LUT buffer + * + * set the RSS lookup table, PF or VSI type + */ +enum ice_status +ice_aq_set_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type, + u8 *lut, u16 lut_size) +{ + if (!ice_is_vsi_valid(hw, vsi_handle) || !lut) + return ICE_ERR_PARAM; + + return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle), + lut_type, lut, lut_size, 0, true); +} + +/** + * __ice_aq_get_set_rss_key + * @hw: pointer to the hw struct + * @vsi_id: VSI FW index + * @key: pointer to key info struct + * @set: set true to set the key, false to get the key + * + * get (0x0B04) or set (0x0B02) the RSS key per VSI + */ +static enum +ice_status __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id, + struct ice_aqc_get_set_rss_keys *key, + bool set) +{ + struct ice_aqc_get_set_rss_key *cmd_resp; + u16 key_size = sizeof(*key); + struct ice_aq_desc desc; + + cmd_resp = &desc.params.get_set_rss_key; + + if (set) { + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key); + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + } else { + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key); + } + + cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id << + ICE_AQC_GSET_RSS_KEY_VSI_ID_S) & + ICE_AQC_GSET_RSS_KEY_VSI_ID_M) | + ICE_AQC_GSET_RSS_KEY_VSI_VALID); + + return ice_aq_send_cmd(hw, &desc, key, key_size, NULL); +} + +/** + * ice_aq_get_rss_key + * @hw: pointer to the hw struct + * @vsi_handle: software VSI handle + * @key: pointer to key info struct + * + * get the RSS key per VSI + */ +enum ice_status +ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle, + struct ice_aqc_get_set_rss_keys *key) +{ + if (!ice_is_vsi_valid(hw, vsi_handle) || !key) + return ICE_ERR_PARAM; + + return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle), + key, false); +} + +/** + * ice_aq_set_rss_key + * @hw: pointer to the hw struct + * @vsi_handle: software VSI handle + * @keys: pointer to key info struct + * + * set the RSS key per VSI + */ +enum ice_status +ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle, + struct ice_aqc_get_set_rss_keys *keys) +{ + if (!ice_is_vsi_valid(hw, vsi_handle) || !keys) + return ICE_ERR_PARAM; + + return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle), + keys, true); +} + +/** + * ice_aq_add_lan_txq + * @hw: pointer to the hardware structure + * @num_qgrps: Number of added queue groups + * @qg_list: list of queue groups to be added + * @buf_size: size of buffer for indirect command + * @cd: pointer to command details structure or NULL + * + * Add Tx LAN queue (0x0C30) + * + * NOTE: + * Prior to calling add Tx LAN queue: + * Initialize the following as part of the Tx queue context: + * Completion queue ID if the queue uses Completion queue, Quanta profile, + * Cache profile and Packet shaper profile. + * + * After add Tx LAN queue AQ command is completed: + * Interrupts should be associated with specific queues, + * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue + * flow. + */ +static enum ice_status +ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps, + struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size, + struct ice_sq_cd *cd) +{ + u16 i, sum_header_size, sum_q_size = 0; + struct ice_aqc_add_tx_qgrp *list; + struct ice_aqc_add_txqs *cmd; + struct ice_aq_desc desc; + + ice_debug(hw, ICE_DBG_TRACE, "ice_aq_add_lan_txq"); + + cmd = &desc.params.add_txqs; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs); + + if (!qg_list) + return ICE_ERR_PARAM; + + if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS) + return ICE_ERR_PARAM; + + sum_header_size = num_qgrps * + (sizeof(*qg_list) - sizeof(*qg_list->txqs)); + + list = qg_list; + for (i = 0; i < num_qgrps; i++) { + struct ice_aqc_add_txqs_perq *q = list->txqs; + + sum_q_size += list->num_txqs * sizeof(*q); + list = (struct ice_aqc_add_tx_qgrp *)(q + list->num_txqs); + } + + if (buf_size != (sum_header_size + sum_q_size)) + return ICE_ERR_PARAM; + + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + + cmd->num_qgrps = num_qgrps; + + return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd); +} + +/** + * ice_aq_dis_lan_txq + * @hw: pointer to the hardware structure + * @num_qgrps: number of groups in the list + * @qg_list: the list of groups to disable + * @buf_size: the total size of the qg_list buffer in bytes + * @rst_src: if called due to reset, specifies the rst source + * @vmvf_num: the relative vm or vf number that is undergoing the reset + * @cd: pointer to command details structure or NULL + * + * Disable LAN Tx queue (0x0C31) + */ +static enum ice_status +ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps, + struct ice_aqc_dis_txq_item *qg_list, u16 buf_size, + enum ice_disq_rst_src rst_src, u16 vmvf_num, + struct ice_sq_cd *cd) +{ + struct ice_aqc_dis_txqs *cmd; + struct ice_aq_desc desc; + enum ice_status status; + u16 i, sz = 0; + + ice_debug(hw, ICE_DBG_TRACE, "ice_aq_dis_lan_txq"); + cmd = &desc.params.dis_txqs; + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs); + + /* qg_list can be NULL only in VM/VF reset flow */ + if (!qg_list && !rst_src) + return ICE_ERR_PARAM; + + if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS) + return ICE_ERR_PARAM; + + cmd->num_entries = num_qgrps; + + cmd->vmvf_and_timeout = CPU_TO_LE16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) & + ICE_AQC_Q_DIS_TIMEOUT_M); + + switch (rst_src) { + case ICE_VM_RESET: + cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET; + cmd->vmvf_and_timeout |= + CPU_TO_LE16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M); + break; + case ICE_NO_RESET: + default: + break; + } + + /* flush pipe on time out */ + cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE; + /* If no queue group info, we are in a reset flow. Issue the AQ */ + if (!qg_list) + goto do_aq; + + /* set RD bit to indicate that command buffer is provided by the driver + * and it needs to be read by the firmware + */ + desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); + + for (i = 0; i < num_qgrps; ++i) { + /* Calculate the size taken up by the queue IDs in this group */ + sz += qg_list[i].num_qs * sizeof(qg_list[i].q_id); + + /* Add the size of the group header */ + sz += sizeof(qg_list[i]) - sizeof(qg_list[i].q_id); + + /* If the num of queues is even, add 2 bytes of padding */ + if ((qg_list[i].num_qs % 2) == 0) + sz += 2; + } + + if (buf_size != sz) + return ICE_ERR_PARAM; + +do_aq: + status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd); + if (status) { + if (!qg_list) + ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n", + vmvf_num, hw->adminq.sq_last_status); + else + ice_debug(hw, ICE_DBG_SCHED, "disable Q %d failed %d\n", + LE16_TO_CPU(qg_list[0].q_id[0]), + hw->adminq.sq_last_status); + } + return status; +} + + +/* End of FW Admin Queue command wrappers */ + +/** + * ice_write_byte - write a byte to a packed context structure + * @src_ctx: the context structure to read from + * @dest_ctx: the context to be written to + * @ce_info: a description of the struct to be filled + */ +static void +ice_write_byte(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) +{ + u8 src_byte, dest_byte, mask; + u8 *from, *dest; + u16 shift_width; + + /* copy from the next struct field */ + from = src_ctx + ce_info->offset; + + /* prepare the bits and mask */ + shift_width = ce_info->lsb % 8; + mask = (u8)(BIT(ce_info->width) - 1); + + src_byte = *from; + src_byte &= mask; + + /* shift to correct alignment */ + mask <<= shift_width; + src_byte <<= shift_width; + + /* get the current bits from the target bit string */ + dest = dest_ctx + (ce_info->lsb / 8); + + ice_memcpy(&dest_byte, dest, sizeof(dest_byte), ICE_DMA_TO_NONDMA); + + dest_byte &= ~mask; /* get the bits not changing */ + dest_byte |= src_byte; /* add in the new bits */ + + /* put it all back */ + ice_memcpy(dest, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA); +} + +/** + * ice_write_word - write a word to a packed context structure + * @src_ctx: the context structure to read from + * @dest_ctx: the context to be written to + * @ce_info: a description of the struct to be filled + */ +static void +ice_write_word(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) +{ + u16 src_word, mask; + __le16 dest_word; + u8 *from, *dest; + u16 shift_width; + + /* copy from the next struct field */ + from = src_ctx + ce_info->offset; + + /* prepare the bits and mask */ + shift_width = ce_info->lsb % 8; + mask = BIT(ce_info->width) - 1; + + /* don't swizzle the bits until after the mask because the mask bits + * will be in a different bit position on big endian machines + */ + src_word = *(u16 *)from; + src_word &= mask; + + /* shift to correct alignment */ + mask <<= shift_width; + src_word <<= shift_width; + + /* get the current bits from the target bit string */ + dest = dest_ctx + (ce_info->lsb / 8); + + ice_memcpy(&dest_word, dest, sizeof(dest_word), ICE_DMA_TO_NONDMA); + + dest_word &= ~(CPU_TO_LE16(mask)); /* get the bits not changing */ + dest_word |= CPU_TO_LE16(src_word); /* add in the new bits */ + + /* put it all back */ + ice_memcpy(dest, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA); +} + +/** + * ice_write_dword - write a dword to a packed context structure + * @src_ctx: the context structure to read from + * @dest_ctx: the context to be written to + * @ce_info: a description of the struct to be filled + */ +static void +ice_write_dword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) +{ + u32 src_dword, mask; + __le32 dest_dword; + u8 *from, *dest; + u16 shift_width; + + /* copy from the next struct field */ + from = src_ctx + ce_info->offset; + + /* prepare the bits and mask */ + shift_width = ce_info->lsb % 8; + + /* if the field width is exactly 32 on an x86 machine, then the shift + * operation will not work because the SHL instructions count is masked + * to 5 bits so the shift will do nothing + */ + if (ce_info->width < 32) + mask = BIT(ce_info->width) - 1; + else + mask = (u32)~0; + + /* don't swizzle the bits until after the mask because the mask bits + * will be in a different bit position on big endian machines + */ + src_dword = *(u32 *)from; + src_dword &= mask; + + /* shift to correct alignment */ + mask <<= shift_width; + src_dword <<= shift_width; + + /* get the current bits from the target bit string */ + dest = dest_ctx + (ce_info->lsb / 8); + + ice_memcpy(&dest_dword, dest, sizeof(dest_dword), ICE_DMA_TO_NONDMA); + + dest_dword &= ~(CPU_TO_LE32(mask)); /* get the bits not changing */ + dest_dword |= CPU_TO_LE32(src_dword); /* add in the new bits */ + + /* put it all back */ + ice_memcpy(dest, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA); +} + +/** + * ice_write_qword - write a qword to a packed context structure + * @src_ctx: the context structure to read from + * @dest_ctx: the context to be written to + * @ce_info: a description of the struct to be filled + */ +static void +ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) +{ + u64 src_qword, mask; + __le64 dest_qword; + u8 *from, *dest; + u16 shift_width; + + /* copy from the next struct field */ + from = src_ctx + ce_info->offset; + + /* prepare the bits and mask */ + shift_width = ce_info->lsb % 8; + + /* if the field width is exactly 64 on an x86 machine, then the shift + * operation will not work because the SHL instructions count is masked + * to 6 bits so the shift will do nothing + */ + if (ce_info->width < 64) + mask = BIT_ULL(ce_info->width) - 1; + else + mask = (u64)~0; + + /* don't swizzle the bits until after the mask because the mask bits + * will be in a different bit position on big endian machines + */ + src_qword = *(u64 *)from; + src_qword &= mask; + + /* shift to correct alignment */ + mask <<= shift_width; + src_qword <<= shift_width; + + /* get the current bits from the target bit string */ + dest = dest_ctx + (ce_info->lsb / 8); + + ice_memcpy(&dest_qword, dest, sizeof(dest_qword), ICE_DMA_TO_NONDMA); + + dest_qword &= ~(CPU_TO_LE64(mask)); /* get the bits not changing */ + dest_qword |= CPU_TO_LE64(src_qword); /* add in the new bits */ + + /* put it all back */ + ice_memcpy(dest, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA); +} + +/** + * ice_set_ctx - set context bits in packed structure + * @src_ctx: pointer to a generic non-packed context structure + * @dest_ctx: pointer to memory for the packed structure + * @ce_info: a description of the structure to be transformed + */ +enum ice_status +ice_set_ctx(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info) +{ + int f; + + for (f = 0; ce_info[f].width; f++) { + /* We have to deal with each element of the FW response + * using the correct size so that we are correct regardless + * of the endianness of the machine. + */ + switch (ce_info[f].size_of) { + case sizeof(u8): + ice_write_byte(src_ctx, dest_ctx, &ce_info[f]); + break; + case sizeof(u16): + ice_write_word(src_ctx, dest_ctx, &ce_info[f]); + break; + case sizeof(u32): + ice_write_dword(src_ctx, dest_ctx, &ce_info[f]); + break; + case sizeof(u64): + ice_write_qword(src_ctx, dest_ctx, &ce_info[f]); + break; + default: + return ICE_ERR_INVAL_SIZE; + } + } + + return ICE_SUCCESS; +} + + + + + +/** + * ice_ena_vsi_txq + * @pi: port information structure + * @vsi_handle: software VSI handle + * @tc: tc number + * @num_qgrps: Number of added queue groups + * @buf: list of queue groups to be added + * @buf_size: size of buffer for indirect command + * @cd: pointer to command details structure or NULL + * + * This function adds one lan q + */ +enum ice_status +ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_qgrps, + struct ice_aqc_add_tx_qgrp *buf, u16 buf_size, + struct ice_sq_cd *cd) +{ + struct ice_aqc_txsched_elem_data node = { 0 }; + struct ice_sched_node *parent; + enum ice_status status; + struct ice_hw *hw; + + if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) + return ICE_ERR_CFG; + + if (num_qgrps > 1 || buf->num_txqs > 1) + return ICE_ERR_MAX_LIMIT; + + hw = pi->hw; + + if (!ice_is_vsi_valid(hw, vsi_handle)) + return ICE_ERR_PARAM; + + ice_acquire_lock(&pi->sched_lock); + + /* find a parent node */ + parent = ice_sched_get_free_qparent(pi, vsi_handle, tc, + ICE_SCHED_NODE_OWNER_LAN); + if (!parent) { + status = ICE_ERR_PARAM; + goto ena_txq_exit; + } + + buf->parent_teid = parent->info.node_teid; + node.parent_teid = parent->info.node_teid; + /* Mark that the values in the "generic" section as valid. The default + * value in the "generic" section is zero. This means that : + * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0. + * - 0 priority among siblings, indicated by Bit 1-3. + * - WFQ, indicated by Bit 4. + * - 0 Adjustment value is used in PSM credit update flow, indicated by + * Bit 5-6. + * - Bit 7 is reserved. + * Without setting the generic section as valid in valid_sections, the + * Admin Q command will fail with error code ICE_AQ_RC_EINVAL. + */ + buf->txqs[0].info.valid_sections = ICE_AQC_ELEM_VALID_GENERIC; + + /* add the lan q */ + status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd); + if (status != ICE_SUCCESS) { + ice_debug(hw, ICE_DBG_SCHED, "enable Q %d failed %d\n", + LE16_TO_CPU(buf->txqs[0].txq_id), + hw->adminq.sq_last_status); + goto ena_txq_exit; + } + + node.node_teid = buf->txqs[0].q_teid; + node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF; + + /* add a leaf node into schduler tree q layer */ + status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node); + +ena_txq_exit: + ice_release_lock(&pi->sched_lock); + return status; +} + +/** + * ice_dis_vsi_txq + * @pi: port information structure + * @num_queues: number of queues + * @q_ids: pointer to the q_id array + * @q_teids: pointer to queue node teids + * @rst_src: if called due to reset, specifies the rst source + * @vmvf_num: the relative vm or vf number that is undergoing the reset + * @cd: pointer to command details structure or NULL + * + * This function removes queues and their corresponding nodes in SW DB + */ +enum ice_status +ice_dis_vsi_txq(struct ice_port_info *pi, u8 num_queues, u16 *q_ids, + u32 *q_teids, enum ice_disq_rst_src rst_src, u16 vmvf_num, + struct ice_sq_cd *cd) +{ + enum ice_status status = ICE_ERR_DOES_NOT_EXIST; + struct ice_aqc_dis_txq_item qg_list; + u16 i; + + if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) + return ICE_ERR_CFG; + + /* if queue is disabled already yet the disable queue command has to be + * sent to complete the VF reset, then call ice_aq_dis_lan_txq without + * any queue information + */ + + if (!num_queues && rst_src) + return ice_aq_dis_lan_txq(pi->hw, 0, NULL, 0, rst_src, vmvf_num, + NULL); + + ice_acquire_lock(&pi->sched_lock); + + for (i = 0; i < num_queues; i++) { + struct ice_sched_node *node; + + node = ice_sched_find_node_by_teid(pi->root, q_teids[i]); + if (!node) + continue; + qg_list.parent_teid = node->info.parent_teid; + qg_list.num_qs = 1; + qg_list.q_id[0] = CPU_TO_LE16(q_ids[i]); + status = ice_aq_dis_lan_txq(pi->hw, 1, &qg_list, + sizeof(qg_list), rst_src, vmvf_num, + cd); + + if (status != ICE_SUCCESS) + break; + ice_free_sched_node(pi, node); + } + ice_release_lock(&pi->sched_lock); + return status; +} + +/** + * ice_cfg_vsi_qs - configure the new/exisiting VSI queues + * @pi: port information structure + * @vsi_handle: software VSI handle + * @tc_bitmap: TC bitmap + * @maxqs: max queues array per TC + * @owner: lan or rdma + * + * This function adds/updates the VSI queues per TC. + */ +static enum ice_status +ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap, + u16 *maxqs, u8 owner) +{ + enum ice_status status = ICE_SUCCESS; + u8 i; + + if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) + return ICE_ERR_CFG; + + if (!ice_is_vsi_valid(pi->hw, vsi_handle)) + return ICE_ERR_PARAM; + + ice_acquire_lock(&pi->sched_lock); + + for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) { + /* configuration is possible only if TC node is present */ + if (!ice_sched_get_tc_node(pi, i)) + continue; + + status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner, + ice_is_tc_ena(tc_bitmap, i)); + if (status) + break; + } + + ice_release_lock(&pi->sched_lock); + return status; +} + +/** + * ice_cfg_vsi_lan - configure VSI lan queues + * @pi: port information structure + * @vsi_handle: software VSI handle + * @tc_bitmap: TC bitmap + * @max_lanqs: max lan queues array per TC + * + * This function adds/updates the VSI lan queues per TC. + */ +enum ice_status +ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap, + u16 *max_lanqs) +{ + return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs, + ICE_SCHED_NODE_OWNER_LAN); +} + + + +/** + * ice_replay_pre_init - replay pre initialization + * @hw: pointer to the hw struct + * + * Initializes required config data for VSI, FD, ACL, and RSS before replay. + */ +static enum ice_status ice_replay_pre_init(struct ice_hw *hw) +{ + struct ice_switch_info *sw = hw->switch_info; + u8 i; + + /* Delete old entries from replay filter list head if there is any */ + ice_rm_all_sw_replay_rule_info(hw); + /* In start of replay, move entries into replay_rules list, it + * will allow adding rules entries back to filt_rules list, + * which is operational list. + */ + for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) + LIST_REPLACE_INIT(&sw->recp_list[i].filt_rules, + &sw->recp_list[i].filt_replay_rules); + ice_sched_replay_agg_vsi_preinit(hw); + + return ice_sched_replay_tc_node_bw(hw); +} + +/** + * ice_replay_vsi - replay vsi configuration + * @hw: pointer to the hw struct + * @vsi_handle: driver vsi handle + * + * Restore all VSI configuration after reset. It is required to call this + * function with main VSI first. + */ +enum ice_status ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle) +{ + enum ice_status status; + + if (!ice_is_vsi_valid(hw, vsi_handle)) + return ICE_ERR_PARAM; + + /* Replay pre-initialization if there is any */ + if (vsi_handle == ICE_MAIN_VSI_HANDLE) { + status = ice_replay_pre_init(hw); + if (status) + return status; + } + + /* Replay per VSI all filters */ + status = ice_replay_vsi_all_fltr(hw, vsi_handle); + if (!status) + status = ice_replay_vsi_agg(hw, vsi_handle); + return status; +} + +/** + * ice_replay_post - post replay configuration cleanup + * @hw: pointer to the hw struct + * + * Post replay cleanup. + */ +void ice_replay_post(struct ice_hw *hw) +{ + /* Delete old entries from replay filter list head */ + ice_rm_all_sw_replay_rule_info(hw); + ice_sched_replay_agg(hw); +} + +/** + * ice_stat_update40 - read 40 bit stat from the chip and update stat values + * @hw: ptr to the hardware info + * @hireg: high 32 bit HW register to read from + * @loreg: low 32 bit HW register to read from + * @prev_stat_loaded: bool to specify if previous stats are loaded + * @prev_stat: ptr to previous loaded stat value + * @cur_stat: ptr to current stat value + */ +void +ice_stat_update40(struct ice_hw *hw, u32 hireg, u32 loreg, + bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat) +{ + u64 new_data; + + new_data = rd32(hw, loreg); + new_data |= ((u64)(rd32(hw, hireg) & 0xFFFF)) << 32; + + /* device stats are not reset at PFR, they likely will not be zeroed + * when the driver starts. So save the first values read and use them as + * offsets to be subtracted from the raw values in order to report stats + * that count from zero. + */ + if (!prev_stat_loaded) + *prev_stat = new_data; + if (new_data >= *prev_stat) + *cur_stat = new_data - *prev_stat; + else + /* to manage the potential roll-over */ + *cur_stat = (new_data + BIT_ULL(40)) - *prev_stat; + *cur_stat &= 0xFFFFFFFFFFULL; +} + +/** + * ice_stat_update32 - read 32 bit stat from the chip and update stat values + * @hw: ptr to the hardware info + * @reg: HW register to read from + * @prev_stat_loaded: bool to specify if previous stats are loaded + * @prev_stat: ptr to previous loaded stat value + * @cur_stat: ptr to current stat value + */ +void +ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, + u64 *prev_stat, u64 *cur_stat) +{ + u32 new_data; + + new_data = rd32(hw, reg); + + /* device stats are not reset at PFR, they likely will not be zeroed + * when the driver starts. So save the first values read and use them as + * offsets to be subtracted from the raw values in order to report stats + * that count from zero. + */ + if (!prev_stat_loaded) + *prev_stat = new_data; + if (new_data >= *prev_stat) + *cur_stat = new_data - *prev_stat; + else + /* to manage the potential roll-over */ + *cur_stat = (new_data + BIT_ULL(32)) - *prev_stat; +} + + +/** + * ice_sched_query_elem - query element information from hw + * @hw: pointer to the hw struct + * @node_teid: node teid to be queried + * @buf: buffer to element information + * + * This function queries HW element information + */ +enum ice_status +ice_sched_query_elem(struct ice_hw *hw, u32 node_teid, + struct ice_aqc_get_elem *buf) +{ + u16 buf_size, num_elem_ret = 0; + enum ice_status status; + + buf_size = sizeof(*buf); + ice_memset(buf, 0, buf_size, ICE_NONDMA_MEM); + buf->generic[0].node_teid = CPU_TO_LE32(node_teid); + status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret, + NULL); + if (status != ICE_SUCCESS || num_elem_ret != 1) + ice_debug(hw, ICE_DBG_SCHED, "query element failed\n"); + return status; +} diff --git a/drivers/net/ice/base/ice_common.h b/drivers/net/ice/base/ice_common.h new file mode 100644 index 0000000000..082ae66f95 --- /dev/null +++ b/drivers/net/ice/base/ice_common.h @@ -0,0 +1,186 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2001-2018 + */ + +#ifndef _ICE_COMMON_H_ +#define _ICE_COMMON_H_ + +#include "ice_type.h" + +#include "ice_switch.h" + +/* prototype for functions used for SW locks */ +void ice_free_list(struct LIST_HEAD_TYPE *list); +void ice_init_lock(struct ice_lock *lock); +void ice_acquire_lock(struct ice_lock *lock); +void ice_release_lock(struct ice_lock *lock); +void ice_destroy_lock(struct ice_lock *lock); + +void *ice_alloc_dma_mem(struct ice_hw *hw, struct ice_dma_mem *m, u64 size); +void ice_free_dma_mem(struct ice_hw *hw, struct ice_dma_mem *m); + +bool ice_sq_done(struct ice_hw *hw, struct ice_ctl_q_info *cq); + +enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw); + +void +ice_debug_cq(struct ice_hw *hw, u32 mask, void *desc, void *buf, u16 buf_len); +enum ice_status ice_init_hw(struct ice_hw *hw); +void ice_deinit_hw(struct ice_hw *hw); +enum ice_status ice_check_reset(struct ice_hw *hw); +enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req); + +enum ice_status ice_init_all_ctrlq(struct ice_hw *hw); +void ice_shutdown_all_ctrlq(struct ice_hw *hw); +enum ice_status +ice_clean_rq_elem(struct ice_hw *hw, struct ice_ctl_q_info *cq, + struct ice_rq_event_info *e, u16 *pending); +enum ice_status +ice_get_link_status(struct ice_port_info *pi, bool *link_up); +enum ice_status +ice_update_link_info(struct ice_port_info *pi); +enum ice_status +ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res, + enum ice_aq_res_access_type access, u32 timeout); +void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res); +enum ice_status +ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries, + struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size, + enum ice_adminq_opc opc, struct ice_sq_cd *cd); +enum ice_status ice_init_nvm(struct ice_hw *hw); +enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data); +enum ice_status +ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data); +enum ice_status +ice_sq_send_cmd(struct ice_hw *hw, struct ice_ctl_q_info *cq, + struct ice_aq_desc *desc, void *buf, u16 buf_size, + struct ice_sq_cd *cd); +void ice_clear_pxe_mode(struct ice_hw *hw); + +enum ice_status ice_get_caps(struct ice_hw *hw); + + + +#if defined(FPGA_SUPPORT) || defined(CVL_A0_SUPPORT) +void ice_dev_onetime_setup(struct ice_hw *hw); +#endif /* FPGA_SUPPORT || CVL_A0_SUPPORT */ + + +enum ice_status +ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx, + u32 rxq_index); +#if !defined(NO_UNUSED_CTX_CODE) || defined(AE_DRIVER) +enum ice_status ice_clear_rxq_ctx(struct ice_hw *hw, u32 rxq_index); +enum ice_status +ice_clear_tx_cmpltnq_ctx(struct ice_hw *hw, u32 tx_cmpltnq_index); +enum ice_status +ice_write_tx_cmpltnq_ctx(struct ice_hw *hw, + struct ice_tx_cmpltnq_ctx *tx_cmpltnq_ctx, + u32 tx_cmpltnq_index); +enum ice_status +ice_clear_tx_drbell_q_ctx(struct ice_hw *hw, u32 tx_drbell_q_index); +enum ice_status +ice_write_tx_drbell_q_ctx(struct ice_hw *hw, + struct ice_tx_drbell_q_ctx *tx_drbell_q_ctx, + u32 tx_drbell_q_index); +#endif /* !NO_UNUSED_CTX_CODE || AE_DRIVER */ + +enum ice_status +ice_aq_get_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type, u8 *lut, + u16 lut_size); +enum ice_status +ice_aq_set_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type, u8 *lut, + u16 lut_size); +enum ice_status +ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle, + struct ice_aqc_get_set_rss_keys *keys); +enum ice_status +ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle, + struct ice_aqc_get_set_rss_keys *keys); + +bool ice_check_sq_alive(struct ice_hw *hw, struct ice_ctl_q_info *cq); +enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading); +void ice_fill_dflt_direct_cmd_desc(struct ice_aq_desc *desc, u16 opcode); +extern const struct ice_ctx_ele ice_tlan_ctx_info[]; +enum ice_status +ice_set_ctx(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info); +enum ice_status +ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, + void *buf, u16 buf_size, struct ice_sq_cd *cd); +enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd); + +enum ice_status +ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode, + struct ice_aqc_get_phy_caps_data *caps, + struct ice_sq_cd *cd); +void +ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high, + u16 link_speeds_bitmap); +enum ice_status +ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags, + struct ice_sq_cd *cd); + +enum ice_status ice_clear_pf_cfg(struct ice_hw *hw); +enum ice_status +ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport, + struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd); +enum ice_status +ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, + bool ena_auto_link_update); +void +ice_cfg_phy_fec(struct ice_aqc_set_phy_cfg_data *cfg, enum ice_fec_mode fec); +void +ice_copy_phy_caps_to_cfg(struct ice_aqc_get_phy_caps_data *caps, + struct ice_aqc_set_phy_cfg_data *cfg); +enum ice_status +ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link, + struct ice_sq_cd *cd); +enum ice_status +ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse, + struct ice_link_status *link, struct ice_sq_cd *cd); +enum ice_status +ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask, + struct ice_sq_cd *cd); +enum ice_status +ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd); + + +enum ice_status +ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode, + struct ice_sq_cd *cd); + + + + +enum ice_status +ice_dis_vsi_txq(struct ice_port_info *pi, u8 num_queues, u16 *q_ids, + u32 *q_teids, enum ice_disq_rst_src rst_src, u16 vmvf_num, + struct ice_sq_cd *cmd_details); +enum ice_status +ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap, + u16 *max_lanqs); +enum ice_status +ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_qgrps, + struct ice_aqc_add_tx_qgrp *buf, u16 buf_size, + struct ice_sq_cd *cd); +enum ice_status ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle); +void ice_replay_post(struct ice_hw *hw); +void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw); +void ice_sched_replay_agg(struct ice_hw *hw); +enum ice_status ice_sched_replay_tc_node_bw(struct ice_hw *hw); +enum ice_status ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle); +enum ice_status +ice_cfg_tc_node_bw_alloc(struct ice_port_info *pi, u8 tc, + enum ice_rl_type rl_type, u8 bw_alloc); +enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes); +void ice_output_fw_log(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf); +void +ice_stat_update40(struct ice_hw *hw, u32 hireg, u32 loreg, + bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat); +void +ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, + u64 *prev_stat, u64 *cur_stat); +enum ice_status +ice_sched_query_elem(struct ice_hw *hw, u32 node_teid, + struct ice_aqc_get_elem *buf); +#endif /* _ICE_COMMON_H_ */