/* $NetBSD: if_mcx.c,v 1.1.2.10 2020/04/28 15:44:06 martin Exp $ */ /* $OpenBSD: if_mcx.c,v 1.44 2020/04/24 07:28:37 mestre Exp $ */ /* * Copyright (c) 2017 David Gwynne * Copyright (c) 2019 Jonathan Matthew * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifdef _KERNEL_OPT #include "opt_net_mpsafe.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef NET_MPSAFE #define MCX_MPSAFE 1 #define CALLOUT_FLAGS CALLOUT_MPSAFE #else #define CALLOUT_FLAGS 0 #endif #define MCX_MAX_NINTR 1 #define BUS_DMASYNC_PRERW (BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) #define BUS_DMASYNC_POSTRW (BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) #define MCX_HCA_BAR PCI_MAPREG_START /* BAR 0 */ #define MCX_FW_VER 0x0000 #define MCX_FW_VER_MAJOR(_v) ((_v) & 0xffff) #define MCX_FW_VER_MINOR(_v) ((_v) >> 16) #define MCX_CMDIF_FW_SUBVER 0x0004 #define MCX_FW_VER_SUBMINOR(_v) ((_v) & 0xffff) #define MCX_CMDIF(_v) ((_v) >> 16) #define MCX_ISSI 1 /* as per the PRM */ #define MCX_CMD_IF_SUPPORTED 5 #define MCX_HARDMTU 9500 #define MCX_MAX_CQS 2 /* rq, sq */ /* queue sizes */ #define MCX_LOG_EQ_SIZE 6 /* one page */ #define MCX_LOG_CQ_SIZE 12 #define MCX_LOG_RQ_SIZE 10 #define MCX_LOG_SQ_SIZE 11 /* completion event moderation - about 10khz, or 90% of the cq */ #define MCX_CQ_MOD_PERIOD 50 #define MCX_CQ_MOD_COUNTER (((1 << (MCX_LOG_CQ_SIZE - 1)) * 9) / 10) #define MCX_LOG_SQ_ENTRY_SIZE 6 #define MCX_SQ_ENTRY_MAX_SLOTS 4 #define MCX_SQ_SEGS_PER_SLOT \ (sizeof(struct mcx_sq_entry) / sizeof(struct mcx_sq_entry_seg)) #define MCX_SQ_MAX_SEGMENTS \ 1 + ((MCX_SQ_ENTRY_MAX_SLOTS-1) * MCX_SQ_SEGS_PER_SLOT) #define MCX_LOG_FLOW_TABLE_SIZE 5 #define MCX_NUM_STATIC_FLOWS 4 /* promisc, allmulti, ucast, bcast */ #define MCX_NUM_MCAST_FLOWS \ ((1 << MCX_LOG_FLOW_TABLE_SIZE) - MCX_NUM_STATIC_FLOWS) #define MCX_SQ_INLINE_SIZE 18 /* doorbell offsets */ #define MCX_CQ_DOORBELL_OFFSET 0 #define MCX_CQ_DOORBELL_SIZE 16 #define MCX_RQ_DOORBELL_OFFSET 64 #define MCX_SQ_DOORBELL_OFFSET 64 #define MCX_WQ_DOORBELL_MASK 0xffff /* uar registers */ #define MCX_UAR_CQ_DOORBELL 0x20 #define MCX_UAR_EQ_DOORBELL_ARM 0x40 #define MCX_UAR_EQ_DOORBELL 0x48 #define MCX_UAR_BF 0x800 #define MCX_CMDQ_ADDR_HI 0x0010 #define MCX_CMDQ_ADDR_LO 0x0014 #define MCX_CMDQ_ADDR_NMASK 0xfff #define MCX_CMDQ_LOG_SIZE(_v) ((_v) >> 4 & 0xf) #define MCX_CMDQ_LOG_STRIDE(_v) ((_v) >> 0 & 0xf) #define MCX_CMDQ_INTERFACE_MASK (0x3 << 8) #define MCX_CMDQ_INTERFACE_FULL_DRIVER (0x0 << 8) #define MCX_CMDQ_INTERFACE_DISABLED (0x1 << 8) #define MCX_CMDQ_DOORBELL 0x0018 #define MCX_STATE 0x01fc #define MCX_STATE_MASK (1U << 31) #define MCX_STATE_INITIALIZING (1 << 31) #define MCX_STATE_READY (0 << 31) #define MCX_STATE_INTERFACE_MASK (0x3 << 24) #define MCX_STATE_INTERFACE_FULL_DRIVER (0x0 << 24) #define MCX_STATE_INTERFACE_DISABLED (0x1 << 24) #define MCX_INTERNAL_TIMER 0x1000 #define MCX_INTERNAL_TIMER_H 0x1000 #define MCX_INTERNAL_TIMER_L 0x1004 #define MCX_CLEAR_INT 0x100c #define MCX_REG_OP_WRITE 0 #define MCX_REG_OP_READ 1 #define MCX_REG_PMLP 0x5002 #define MCX_REG_PMTU 0x5003 #define MCX_REG_PTYS 0x5004 #define MCX_REG_PAOS 0x5006 #define MCX_REG_PFCC 0x5007 #define MCX_REG_PPCNT 0x5008 #define MCX_REG_MCIA 0x9014 #define MCX_ETHER_CAP_SGMII 0 #define MCX_ETHER_CAP_1000_KX 1 #define MCX_ETHER_CAP_10G_CX4 2 #define MCX_ETHER_CAP_10G_KX4 3 #define MCX_ETHER_CAP_10G_KR 4 #define MCX_ETHER_CAP_20G_KR2 5 #define MCX_ETHER_CAP_40G_CR4 6 #define MCX_ETHER_CAP_40G_KR4 7 #define MCX_ETHER_CAP_56G_R4 8 #define MCX_ETHER_CAP_10G_CR 12 #define MCX_ETHER_CAP_10G_SR 13 #define MCX_ETHER_CAP_10G_LR 14 #define MCX_ETHER_CAP_40G_SR4 15 #define MCX_ETHER_CAP_40G_LR4 16 #define MCX_ETHER_CAP_50G_SR2 18 #define MCX_ETHER_CAP_100G_CR4 20 #define MCX_ETHER_CAP_100G_SR4 21 #define MCX_ETHER_CAP_100G_KR4 22 #define MCX_ETHER_CAP_100G_LR4 23 #define MCX_ETHER_CAP_100_TX 24 #define MCX_ETHER_CAP_1000_T 25 #define MCX_ETHER_CAP_10G_T 26 #define MCX_ETHER_CAP_25G_CR 27 #define MCX_ETHER_CAP_25G_KR 28 #define MCX_ETHER_CAP_25G_SR 29 #define MCX_ETHER_CAP_50G_CR2 30 #define MCX_ETHER_CAP_50G_KR2 31 #define MCX_PAGE_SHIFT 12 #define MCX_PAGE_SIZE (1 << MCX_PAGE_SHIFT) #define MCX_MAX_CQE 32 #define MCX_CMD_QUERY_HCA_CAP 0x100 #define MCX_CMD_QUERY_ADAPTER 0x101 #define MCX_CMD_INIT_HCA 0x102 #define MCX_CMD_TEARDOWN_HCA 0x103 #define MCX_CMD_ENABLE_HCA 0x104 #define MCX_CMD_DISABLE_HCA 0x105 #define MCX_CMD_QUERY_PAGES 0x107 #define MCX_CMD_MANAGE_PAGES 0x108 #define MCX_CMD_SET_HCA_CAP 0x109 #define MCX_CMD_QUERY_ISSI 0x10a #define MCX_CMD_SET_ISSI 0x10b #define MCX_CMD_SET_DRIVER_VERSION \ 0x10d #define MCX_CMD_QUERY_SPECIAL_CONTEXTS \ 0x203 #define MCX_CMD_CREATE_EQ 0x301 #define MCX_CMD_DESTROY_EQ 0x302 #define MCX_CMD_CREATE_CQ 0x400 #define MCX_CMD_DESTROY_CQ 0x401 #define MCX_CMD_QUERY_NIC_VPORT_CONTEXT \ 0x754 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT \ 0x755 #define MCX_CMD_QUERY_VPORT_COUNTERS \ 0x770 #define MCX_CMD_ALLOC_PD 0x800 #define MCX_CMD_ALLOC_UAR 0x802 #define MCX_CMD_ACCESS_REG 0x805 #define MCX_CMD_ALLOC_TRANSPORT_DOMAIN \ 0x816 #define MCX_CMD_CREATE_TIR 0x900 #define MCX_CMD_DESTROY_TIR 0x902 #define MCX_CMD_CREATE_SQ 0x904 #define MCX_CMD_MODIFY_SQ 0x905 #define MCX_CMD_DESTROY_SQ 0x906 #define MCX_CMD_QUERY_SQ 0x907 #define MCX_CMD_CREATE_RQ 0x908 #define MCX_CMD_MODIFY_RQ 0x909 #define MCX_CMD_DESTROY_RQ 0x90a #define MCX_CMD_QUERY_RQ 0x90b #define MCX_CMD_CREATE_TIS 0x912 #define MCX_CMD_DESTROY_TIS 0x914 #define MCX_CMD_SET_FLOW_TABLE_ROOT \ 0x92f #define MCX_CMD_CREATE_FLOW_TABLE \ 0x930 #define MCX_CMD_DESTROY_FLOW_TABLE \ 0x931 #define MCX_CMD_QUERY_FLOW_TABLE \ 0x932 #define MCX_CMD_CREATE_FLOW_GROUP \ 0x933 #define MCX_CMD_DESTROY_FLOW_GROUP \ 0x934 #define MCX_CMD_QUERY_FLOW_GROUP \ 0x935 #define MCX_CMD_SET_FLOW_TABLE_ENTRY \ 0x936 #define MCX_CMD_QUERY_FLOW_TABLE_ENTRY \ 0x937 #define MCX_CMD_DELETE_FLOW_TABLE_ENTRY \ 0x938 #define MCX_CMD_ALLOC_FLOW_COUNTER \ 0x939 #define MCX_CMD_QUERY_FLOW_COUNTER \ 0x93b #define MCX_QUEUE_STATE_RST 0 #define MCX_QUEUE_STATE_RDY 1 #define MCX_QUEUE_STATE_ERR 3 #define MCX_FLOW_TABLE_TYPE_RX 0 #define MCX_FLOW_TABLE_TYPE_TX 1 #define MCX_CMDQ_INLINE_DATASIZE 16 struct mcx_cmdq_entry { uint8_t cq_type; #define MCX_CMDQ_TYPE_PCIE 0x7 uint8_t cq_reserved0[3]; uint32_t cq_input_length; uint64_t cq_input_ptr; uint8_t cq_input_data[MCX_CMDQ_INLINE_DATASIZE]; uint8_t cq_output_data[MCX_CMDQ_INLINE_DATASIZE]; uint64_t cq_output_ptr; uint32_t cq_output_length; uint8_t cq_token; uint8_t cq_signature; uint8_t cq_reserved1[1]; uint8_t cq_status; #define MCX_CQ_STATUS_SHIFT 1 #define MCX_CQ_STATUS_MASK (0x7f << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_OK (0x00 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_INT_ERR (0x01 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_OPCODE (0x02 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_PARAM (0x03 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_SYS_STATE (0x04 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_RESOURCE (0x05 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_RESOURCE_BUSY (0x06 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_EXCEED_LIM (0x08 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_RES_STATE (0x09 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_INDEX (0x0a << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_NO_RESOURCES (0x0f << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_INPUT_LEN (0x50 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_OUTPUT_LEN (0x51 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_RESOURCE_STATE \ (0x10 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_BAD_SIZE (0x40 << MCX_CQ_STATUS_SHIFT) #define MCX_CQ_STATUS_OWN_MASK 0x1 #define MCX_CQ_STATUS_OWN_SW 0x0 #define MCX_CQ_STATUS_OWN_HW 0x1 } __packed __aligned(8); #define MCX_CMDQ_MAILBOX_DATASIZE 512 struct mcx_cmdq_mailbox { uint8_t mb_data[MCX_CMDQ_MAILBOX_DATASIZE]; uint8_t mb_reserved0[48]; uint64_t mb_next_ptr; uint32_t mb_block_number; uint8_t mb_reserved1[1]; uint8_t mb_token; uint8_t mb_ctrl_signature; uint8_t mb_signature; } __packed __aligned(8); #define MCX_CMDQ_MAILBOX_ALIGN (1 << 10) #define MCX_CMDQ_MAILBOX_SIZE roundup(sizeof(struct mcx_cmdq_mailbox), \ MCX_CMDQ_MAILBOX_ALIGN) /* * command mailbox structres */ struct mcx_cmd_enable_hca_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[2]; uint16_t cmd_function_id; uint8_t cmd_reserved2[4]; } __packed __aligned(4); struct mcx_cmd_enable_hca_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_init_hca_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_init_hca_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_teardown_hca_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[2]; #define MCX_CMD_TEARDOWN_HCA_GRACEFUL 0x0 #define MCX_CMD_TEARDOWN_HCA_PANIC 0x1 uint16_t cmd_profile; uint8_t cmd_reserved2[4]; } __packed __aligned(4); struct mcx_cmd_teardown_hca_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_access_reg_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[2]; uint16_t cmd_register_id; uint32_t cmd_argument; } __packed __aligned(4); struct mcx_cmd_access_reg_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_reg_pmtu { uint8_t rp_reserved1; uint8_t rp_local_port; uint8_t rp_reserved2[2]; uint16_t rp_max_mtu; uint8_t rp_reserved3[2]; uint16_t rp_admin_mtu; uint8_t rp_reserved4[2]; uint16_t rp_oper_mtu; uint8_t rp_reserved5[2]; } __packed __aligned(4); struct mcx_reg_ptys { uint8_t rp_reserved1; uint8_t rp_local_port; uint8_t rp_reserved2; uint8_t rp_proto_mask; #define MCX_REG_PTYS_PROTO_MASK_ETH (1 << 2) uint8_t rp_reserved3[8]; uint32_t rp_eth_proto_cap; uint8_t rp_reserved4[8]; uint32_t rp_eth_proto_admin; uint8_t rp_reserved5[8]; uint32_t rp_eth_proto_oper; uint8_t rp_reserved6[24]; } __packed __aligned(4); struct mcx_reg_paos { uint8_t rp_reserved1; uint8_t rp_local_port; uint8_t rp_admin_status; #define MCX_REG_PAOS_ADMIN_STATUS_UP 1 #define MCX_REG_PAOS_ADMIN_STATUS_DOWN 2 #define MCX_REG_PAOS_ADMIN_STATUS_UP_ONCE 3 #define MCX_REG_PAOS_ADMIN_STATUS_DISABLED 4 uint8_t rp_oper_status; #define MCX_REG_PAOS_OPER_STATUS_UP 1 #define MCX_REG_PAOS_OPER_STATUS_DOWN 2 #define MCX_REG_PAOS_OPER_STATUS_FAILED 4 uint8_t rp_admin_state_update; #define MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN (1 << 7) uint8_t rp_reserved2[11]; } __packed __aligned(4); struct mcx_reg_pfcc { uint8_t rp_reserved1; uint8_t rp_local_port; uint8_t rp_reserved2[3]; uint8_t rp_prio_mask_tx; uint8_t rp_reserved3; uint8_t rp_prio_mask_rx; uint8_t rp_pptx_aptx; uint8_t rp_pfctx; uint8_t rp_fctx_dis; uint8_t rp_reserved4; uint8_t rp_pprx_aprx; uint8_t rp_pfcrx; uint8_t rp_reserved5[2]; uint16_t rp_dev_stall_min; uint16_t rp_dev_stall_crit; uint8_t rp_reserved6[12]; } __packed __aligned(4); #define MCX_PMLP_MODULE_NUM_MASK 0xff struct mcx_reg_pmlp { uint8_t rp_rxtx; uint8_t rp_local_port; uint8_t rp_reserved0; uint8_t rp_width; uint32_t rp_lane0_mapping; uint32_t rp_lane1_mapping; uint32_t rp_lane2_mapping; uint32_t rp_lane3_mapping; uint8_t rp_reserved1[44]; } __packed __aligned(4); #define MCX_MCIA_EEPROM_BYTES 32 struct mcx_reg_mcia { uint8_t rm_l; uint8_t rm_module; uint8_t rm_reserved0; uint8_t rm_status; uint8_t rm_i2c_addr; uint8_t rm_page_num; uint16_t rm_dev_addr; uint16_t rm_reserved1; uint16_t rm_size; uint32_t rm_reserved2; uint8_t rm_data[48]; } __packed __aligned(4); struct mcx_cmd_query_issi_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_issi_il_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[2]; uint16_t cmd_current_issi; uint8_t cmd_reserved2[4]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_query_issi_il_out) == MCX_CMDQ_INLINE_DATASIZE); struct mcx_cmd_query_issi_mb_out { uint8_t cmd_reserved2[16]; uint8_t cmd_supported_issi[80]; /* very big endian */ } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_query_issi_mb_out) <= MCX_CMDQ_MAILBOX_DATASIZE); struct mcx_cmd_set_issi_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[2]; uint16_t cmd_current_issi; uint8_t cmd_reserved2[4]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_set_issi_in) <= MCX_CMDQ_INLINE_DATASIZE); struct mcx_cmd_set_issi_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_set_issi_out) <= MCX_CMDQ_INLINE_DATASIZE); struct mcx_cmd_query_pages_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; #define MCX_CMD_QUERY_PAGES_BOOT 0x01 #define MCX_CMD_QUERY_PAGES_INIT 0x02 #define MCX_CMD_QUERY_PAGES_REGULAR 0x03 uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_pages_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[2]; uint16_t cmd_func_id; uint32_t cmd_num_pages; } __packed __aligned(4); struct mcx_cmd_manage_pages_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; #define MCX_CMD_MANAGE_PAGES_ALLOC_FAIL \ 0x00 #define MCX_CMD_MANAGE_PAGES_ALLOC_SUCCESS \ 0x01 #define MCX_CMD_MANAGE_PAGES_HCA_RETURN_PAGES \ 0x02 uint8_t cmd_reserved1[2]; uint16_t cmd_func_id; uint32_t cmd_input_num_entries; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_manage_pages_in) == MCX_CMDQ_INLINE_DATASIZE); struct mcx_cmd_manage_pages_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_output_num_entries; uint8_t cmd_reserved1[4]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cmd_manage_pages_out) == MCX_CMDQ_INLINE_DATASIZE); struct mcx_cmd_query_hca_cap_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; #define MCX_CMD_QUERY_HCA_CAP_MAX (0x0 << 0) #define MCX_CMD_QUERY_HCA_CAP_CURRENT (0x1 << 0) #define MCX_CMD_QUERY_HCA_CAP_DEVICE (0x0 << 1) #define MCX_CMD_QUERY_HCA_CAP_OFFLOAD (0x1 << 1) #define MCX_CMD_QUERY_HCA_CAP_FLOW (0x7 << 1) uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_hca_cap_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); #define MCX_HCA_CAP_LEN 0x1000 #define MCX_HCA_CAP_NMAILBOXES \ (MCX_HCA_CAP_LEN / MCX_CMDQ_MAILBOX_DATASIZE) #if __GNUC_PREREQ__(4, 3) #define __counter__ __COUNTER__ #else #define __counter__ __LINE__ #endif #define __token(_tok, _num) _tok##_num #define _token(_tok, _num) __token(_tok, _num) #define __reserved__ _token(__reserved, __counter__) struct mcx_cap_device { uint8_t reserved0[16]; uint8_t log_max_srq_sz; uint8_t log_max_qp_sz; uint8_t __reserved__[1]; uint8_t log_max_qp; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_QP 0x1f uint8_t __reserved__[1]; uint8_t log_max_srq; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_SRQ 0x1f uint8_t __reserved__[2]; uint8_t __reserved__[1]; uint8_t log_max_cq_sz; uint8_t __reserved__[1]; uint8_t log_max_cq; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_CQ 0x1f uint8_t log_max_eq_sz; uint8_t log_max_mkey; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_MKEY 0x3f uint8_t __reserved__[1]; uint8_t log_max_eq; /* 4 bits */ #define MCX_CAP_DEVICE_LOG_MAX_EQ 0x0f uint8_t max_indirection; uint8_t log_max_mrw_sz; /* 7 bits */ #define MCX_CAP_DEVICE_LOG_MAX_MRW_SZ 0x7f uint8_t teardown_log_max_msf_list_size; #define MCX_CAP_DEVICE_FORCE_TEARDOWN 0x80 #define MCX_CAP_DEVICE_LOG_MAX_MSF_LIST_SIZE \ 0x3f uint8_t log_max_klm_list_size; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_KLM_LIST_SIZE \ 0x3f uint8_t __reserved__[1]; uint8_t log_max_ra_req_dc; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_REQ_DC 0x3f uint8_t __reserved__[1]; uint8_t log_max_ra_res_dc; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RA_RES_DC \ 0x3f uint8_t __reserved__[1]; uint8_t log_max_ra_req_qp; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RA_REQ_QP \ 0x3f uint8_t __reserved__[1]; uint8_t log_max_ra_res_qp; /* 6 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RA_RES_QP \ 0x3f uint8_t flags1; #define MCX_CAP_DEVICE_END_PAD 0x80 #define MCX_CAP_DEVICE_CC_QUERY_ALLOWED 0x40 #define MCX_CAP_DEVICE_CC_MODIFY_ALLOWED \ 0x20 #define MCX_CAP_DEVICE_START_PAD 0x10 #define MCX_CAP_DEVICE_128BYTE_CACHELINE \ 0x08 uint8_t __reserved__[1]; uint16_t gid_table_size; uint16_t flags2; #define MCX_CAP_DEVICE_OUT_OF_SEQ_CNT 0x8000 #define MCX_CAP_DEVICE_VPORT_COUNTERS 0x4000 #define MCX_CAP_DEVICE_RETRANSMISSION_Q_COUNTERS \ 0x2000 #define MCX_CAP_DEVICE_DEBUG 0x1000 #define MCX_CAP_DEVICE_MODIFY_RQ_COUNTERS_SET_ID \ 0x8000 #define MCX_CAP_DEVICE_RQ_DELAY_DROP 0x4000 #define MCX_CAP_DEVICe_MAX_QP_CNT_MASK 0x03ff uint16_t pkey_table_size; uint8_t flags3; #define MCX_CAP_DEVICE_VPORT_GROUP_MANAGER \ 0x80 #define MCX_CAP_DEVICE_VHCA_GROUP_MANAGER \ 0x40 #define MCX_CAP_DEVICE_IB_VIRTUAL 0x20 #define MCX_CAP_DEVICE_ETH_VIRTUAL 0x10 #define MCX_CAP_DEVICE_ETS 0x04 #define MCX_CAP_DEVICE_NIC_FLOW_TABLE 0x02 #define MCX_CAP_DEVICE_ESWITCH_FLOW_TABLE \ 0x01 uint8_t local_ca_ack_delay; /* 5 bits */ #define MCX_CAP_DEVICE_LOCAL_CA_ACK_DELAY \ 0x1f uint8_t port_type; #define MCX_CAP_DEVICE_PORT_MODULE_EVENT \ 0x80 #define MCX_CAP_DEVICE_PORT_TYPE 0x03 uint8_t num_ports; uint8_t snapshot_log_max_msg; #define MCX_CAP_DEVICE_SNAPSHOT 0x80 #define MCX_CAP_DEVICE_LOG_MAX_MSG 0x1f uint8_t max_tc; /* 4 bits */ #define MCX_CAP_DEVICE_MAX_TC 0x0f uint8_t flags4; #define MCX_CAP_DEVICE_TEMP_WARN_EVENT 0x80 #define MCX_CAP_DEVICE_DCBX 0x40 #define MCX_CAP_DEVICE_ROL_S 0x02 #define MCX_CAP_DEVICE_ROL_G 0x01 uint8_t wol; #define MCX_CAP_DEVICE_WOL_S 0x40 #define MCX_CAP_DEVICE_WOL_G 0x20 #define MCX_CAP_DEVICE_WOL_A 0x10 #define MCX_CAP_DEVICE_WOL_B 0x08 #define MCX_CAP_DEVICE_WOL_M 0x04 #define MCX_CAP_DEVICE_WOL_U 0x02 #define MCX_CAP_DEVICE_WOL_P 0x01 uint16_t stat_rate_support; uint8_t __reserved__[1]; uint8_t cqe_version; /* 4 bits */ #define MCX_CAP_DEVICE_CQE_VERSION 0x0f uint32_t flags5; #define MCX_CAP_DEVICE_COMPACT_ADDRESS_VECTOR \ 0x80000000 #define MCX_CAP_DEVICE_STRIDING_RQ 0x40000000 #define MCX_CAP_DEVICE_IPOIP_ENHANCED_OFFLOADS \ 0x10000000 #define MCX_CAP_DEVICE_IPOIP_IPOIP_OFFLOADS \ 0x08000000 #define MCX_CAP_DEVICE_DC_CONNECT_CP 0x00040000 #define MCX_CAP_DEVICE_DC_CNAK_DRACE 0x00020000 #define MCX_CAP_DEVICE_DRAIN_SIGERR 0x00010000 #define MCX_CAP_DEVICE_DRAIN_SIGERR 0x00010000 #define MCX_CAP_DEVICE_CMDIF_CHECKSUM 0x0000c000 #define MCX_CAP_DEVICE_SIGERR_QCE 0x00002000 #define MCX_CAP_DEVICE_WQ_SIGNATURE 0x00000800 #define MCX_CAP_DEVICE_SCTR_DATA_CQE 0x00000400 #define MCX_CAP_DEVICE_SHO 0x00000100 #define MCX_CAP_DEVICE_TPH 0x00000080 #define MCX_CAP_DEVICE_RF 0x00000040 #define MCX_CAP_DEVICE_DCT 0x00000020 #define MCX_CAP_DEVICE_QOS 0x00000010 #define MCX_CAP_DEVICe_ETH_NET_OFFLOADS 0x00000008 #define MCX_CAP_DEVICE_ROCE 0x00000004 #define MCX_CAP_DEVICE_ATOMIC 0x00000002 uint32_t flags6; #define MCX_CAP_DEVICE_CQ_OI 0x80000000 #define MCX_CAP_DEVICE_CQ_RESIZE 0x40000000 #define MCX_CAP_DEVICE_CQ_MODERATION 0x20000000 #define MCX_CAP_DEVICE_CQ_PERIOD_MODE_MODIFY \ 0x10000000 #define MCX_CAP_DEVICE_CQ_INVALIDATE 0x08000000 #define MCX_CAP_DEVICE_RESERVED_AT_255 0x04000000 #define MCX_CAP_DEVICE_CQ_EQ_REMAP 0x02000000 #define MCX_CAP_DEVICE_PG 0x01000000 #define MCX_CAP_DEVICE_BLOCK_LB_MC 0x00800000 #define MCX_CAP_DEVICE_EXPONENTIAL_BACKOFF \ 0x00400000 #define MCX_CAP_DEVICE_SCQE_BREAK_MODERATION \ 0x00200000 #define MCX_CAP_DEVICE_CQ_PERIOD_START_FROM_CQE \ 0x00100000 #define MCX_CAP_DEVICE_CD 0x00080000 #define MCX_CAP_DEVICE_ATM 0x00040000 #define MCX_CAP_DEVICE_APM 0x00020000 #define MCX_CAP_DEVICE_IMAICL 0x00010000 #define MCX_CAP_DEVICE_QKV 0x00000200 #define MCX_CAP_DEVICE_PKV 0x00000100 #define MCX_CAP_DEVICE_SET_DETH_SQPN 0x00000080 #define MCX_CAP_DEVICE_XRC 0x00000008 #define MCX_CAP_DEVICE_UD 0x00000004 #define MCX_CAP_DEVICE_UC 0x00000002 #define MCX_CAP_DEVICE_RC 0x00000001 uint8_t uar_flags; #define MCX_CAP_DEVICE_UAR_4K 0x80 uint8_t uar_sz; /* 6 bits */ #define MCX_CAP_DEVICE_UAR_SZ 0x3f uint8_t __reserved__[1]; uint8_t log_pg_sz; uint8_t flags7; #define MCX_CAP_DEVICE_BF 0x80 #define MCX_CAP_DEVICE_DRIVER_VERSION 0x40 #define MCX_CAP_DEVICE_PAD_TX_ETH_PACKET \ 0x20 uint8_t log_bf_reg_size; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_BF_REG_SIZE 0x1f uint8_t __reserved__[2]; uint16_t num_of_diagnostic_counters; uint16_t max_wqe_sz_sq; uint8_t __reserved__[2]; uint16_t max_wqe_sz_rq; uint8_t __reserved__[2]; uint16_t max_wqe_sz_sq_dc; uint32_t max_qp_mcg; /* 25 bits */ #define MCX_CAP_DEVICE_MAX_QP_MCG 0x1ffffff uint8_t __reserved__[3]; uint8_t log_max_mcq; uint8_t log_max_transport_domain; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_TRANSORT_DOMAIN \ 0x1f uint8_t log_max_pd; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_PD 0x1f uint8_t __reserved__[1]; uint8_t log_max_xrcd; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_XRCD 0x1f uint8_t __reserved__[2]; uint16_t max_flow_counter; uint8_t log_max_rq; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RQ 0x1f uint8_t log_max_sq; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_SQ 0x1f uint8_t log_max_tir; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_TIR 0x1f uint8_t log_max_tis; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_TIS 0x1f uint8_t flags8; #define MCX_CAP_DEVICE_BASIC_CYCLIC_RCV_WQE \ 0x80 #define MCX_CAP_DEVICE_LOG_MAX_RMP 0x1f uint8_t log_max_rqt; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RQT 0x1f uint8_t log_max_rqt_size; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_RQT_SIZE 0x1f uint8_t log_max_tis_per_sq; /* 5 bits */ #define MCX_CAP_DEVICE_LOG_MAX_TIS_PER_SQ \ 0x1f } __packed __aligned(8); CTASSERT(offsetof(struct mcx_cap_device, max_indirection) == 0x20); CTASSERT(offsetof(struct mcx_cap_device, flags1) == 0x2c); CTASSERT(offsetof(struct mcx_cap_device, flags2) == 0x30); CTASSERT(offsetof(struct mcx_cap_device, snapshot_log_max_msg) == 0x38); CTASSERT(offsetof(struct mcx_cap_device, flags5) == 0x40); CTASSERT(offsetof(struct mcx_cap_device, flags7) == 0x4c); CTASSERT(sizeof(struct mcx_cap_device) <= MCX_CMDQ_MAILBOX_DATASIZE); struct mcx_cmd_set_driver_version_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_driver_version_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_driver_version { uint8_t cmd_driver_version[64]; } __packed __aligned(8); struct mcx_cmd_modify_nic_vport_context_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[4]; uint32_t cmd_field_select; #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_ADDR 0x04 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_PROMISC 0x10 #define MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_MTU 0x40 } __packed __aligned(4); struct mcx_cmd_modify_nic_vport_context_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_nic_vport_context_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[4]; uint8_t cmd_allowed_list_type; uint8_t cmd_reserved2[3]; } __packed __aligned(4); struct mcx_cmd_query_nic_vport_context_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_nic_vport_ctx { uint32_t vp_min_wqe_inline_mode; uint8_t vp_reserved0[32]; uint32_t vp_mtu; uint8_t vp_reserved1[200]; uint16_t vp_flags; #define MCX_NIC_VPORT_CTX_LIST_UC_MAC (0) #define MCX_NIC_VPORT_CTX_LIST_MC_MAC (1 << 24) #define MCX_NIC_VPORT_CTX_LIST_VLAN (2 << 24) #define MCX_NIC_VPORT_CTX_PROMISC_ALL (1 << 13) #define MCX_NIC_VPORT_CTX_PROMISC_MCAST (1 << 14) #define MCX_NIC_VPORT_CTX_PROMISC_UCAST (1 << 15) uint16_t vp_allowed_list_size; uint64_t vp_perm_addr; uint8_t vp_reserved2[4]; /* allowed list follows */ } __packed __aligned(4); struct mcx_counter { uint64_t packets; uint64_t octets; } __packed __aligned(4); struct mcx_nic_vport_counters { struct mcx_counter rx_err; struct mcx_counter tx_err; uint8_t reserved0[64]; /* 0x30 */ struct mcx_counter rx_bcast; struct mcx_counter tx_bcast; struct mcx_counter rx_ucast; struct mcx_counter tx_ucast; struct mcx_counter rx_mcast; struct mcx_counter tx_mcast; uint8_t reserved1[0x210 - 0xd0]; } __packed __aligned(4); struct mcx_cmd_query_vport_counters_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_vport_counters_mb_in { uint8_t cmd_reserved0[8]; uint8_t cmd_clear; uint8_t cmd_reserved1[7]; } __packed __aligned(4); struct mcx_cmd_query_vport_counters_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_counter_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_counter_mb_in { uint8_t cmd_reserved0[8]; uint8_t cmd_clear; uint8_t cmd_reserved1[5]; uint16_t cmd_flow_counter_id; } __packed __aligned(4); struct mcx_cmd_query_flow_counter_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_alloc_uar_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_alloc_uar_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_uar; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_query_special_ctx_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_special_ctx_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[4]; uint32_t cmd_resd_lkey; } __packed __aligned(4); struct mcx_eq_ctx { uint32_t eq_status; #define MCX_EQ_CTX_ST_SHIFT 8 #define MCX_EQ_CTX_ST_MASK (0xf << MCX_EQ_CTX_ST_SHIFT) #define MCX_EQ_CTX_ST_ARMED (0x9 << MCX_EQ_CTX_ST_SHIFT) #define MCX_EQ_CTX_ST_FIRED (0xa << MCX_EQ_CTX_ST_SHIFT) #define MCX_EQ_CTX_OI_SHIFT 17 #define MCX_EQ_CTX_OI (1 << MCX_EQ_CTX_OI_SHIFT) #define MCX_EQ_CTX_EC_SHIFT 18 #define MCX_EQ_CTX_EC (1 << MCX_EQ_CTX_EC_SHIFT) #define MCX_EQ_CTX_STATUS_SHIFT 28 #define MCX_EQ_CTX_STATUS_MASK (0xf << MCX_EQ_CTX_STATUS_SHIFT) #define MCX_EQ_CTX_STATUS_OK (0x0 << MCX_EQ_CTX_STATUS_SHIFT) #define MCX_EQ_CTX_STATUS_EQ_WRITE_FAILURE \ (0xa << MCX_EQ_CTX_STATUS_SHIFT) uint32_t eq_reserved1; uint32_t eq_page_offset; #define MCX_EQ_CTX_PAGE_OFFSET_SHIFT 5 uint32_t eq_uar_size; #define MCX_EQ_CTX_UAR_PAGE_MASK 0xffffff #define MCX_EQ_CTX_LOG_EQ_SIZE_SHIFT 24 uint32_t eq_reserved2; uint8_t eq_reserved3[3]; uint8_t eq_intr; uint32_t eq_log_page_size; #define MCX_EQ_CTX_LOG_PAGE_SIZE_SHIFT 24 uint32_t eq_reserved4[3]; uint32_t eq_consumer_counter; uint32_t eq_producer_counter; #define MCX_EQ_CTX_COUNTER_MASK 0xffffff uint32_t eq_reserved5[4]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_eq_ctx) == 64); struct mcx_cmd_create_eq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_eq_mb_in { struct mcx_eq_ctx cmd_eq_ctx; uint8_t cmd_reserved0[8]; uint64_t cmd_event_bitmask; #define MCX_EVENT_TYPE_COMPLETION 0x00 #define MCX_EVENT_TYPE_CQ_ERROR 0x04 #define MCX_EVENT_TYPE_INTERNAL_ERROR 0x08 #define MCX_EVENT_TYPE_PORT_CHANGE 0x09 #define MCX_EVENT_TYPE_CMD_COMPLETION 0x0a #define MCX_EVENT_TYPE_PAGE_REQUEST 0x0b #define MCX_EVENT_TYPE_LAST_WQE 0x13 uint8_t cmd_reserved1[176]; } __packed __aligned(4); struct mcx_cmd_create_eq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_eqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_eq_entry { uint8_t eq_reserved1; uint8_t eq_event_type; uint8_t eq_reserved2; uint8_t eq_event_sub_type; uint8_t eq_reserved3[28]; uint32_t eq_event_data[7]; uint8_t eq_reserved4[2]; uint8_t eq_signature; uint8_t eq_owner; #define MCX_EQ_ENTRY_OWNER_INIT 1 } __packed __aligned(4); CTASSERT(sizeof(struct mcx_eq_entry) == 64); struct mcx_cmd_alloc_pd_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_alloc_pd_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_pd; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_alloc_td_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_alloc_td_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_tdomain; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_create_tir_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_tir_mb_in { uint8_t cmd_reserved0[20]; uint32_t cmd_disp_type; #define MCX_TIR_CTX_DISP_TYPE_SHIFT 28 uint8_t cmd_reserved1[8]; uint32_t cmd_lro; uint8_t cmd_reserved2[8]; uint32_t cmd_inline_rqn; uint32_t cmd_indir_table; uint32_t cmd_tdomain; uint8_t cmd_rx_hash_key[40]; uint32_t cmd_rx_hash_sel_outer; uint32_t cmd_rx_hash_sel_inner; uint8_t cmd_reserved3[152]; } __packed __aligned(4); struct mcx_cmd_create_tir_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_tirn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_tir_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_tirn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_tir_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_tis_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_tis_mb_in { uint8_t cmd_reserved[16]; uint32_t cmd_prio; uint8_t cmd_reserved1[32]; uint32_t cmd_tdomain; uint8_t cmd_reserved2[120]; } __packed __aligned(4); struct mcx_cmd_create_tis_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_tisn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_tis_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_tisn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_tis_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cq_ctx { uint32_t cq_status; uint32_t cq_reserved1; uint32_t cq_page_offset; uint32_t cq_uar_size; #define MCX_CQ_CTX_UAR_PAGE_MASK 0xffffff #define MCX_CQ_CTX_LOG_CQ_SIZE_SHIFT 24 uint32_t cq_period_max_count; #define MCX_CQ_CTX_PERIOD_SHIFT 16 uint32_t cq_eqn; uint32_t cq_log_page_size; #define MCX_CQ_CTX_LOG_PAGE_SIZE_SHIFT 24 uint32_t cq_reserved2; uint32_t cq_last_notified; uint32_t cq_last_solicit; uint32_t cq_consumer_counter; uint32_t cq_producer_counter; uint8_t cq_reserved3[8]; uint64_t cq_doorbell; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cq_ctx) == 64); struct mcx_cmd_create_cq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_cq_mb_in { struct mcx_cq_ctx cmd_cq_ctx; uint8_t cmd_reserved1[192]; } __packed __aligned(4); struct mcx_cmd_create_cq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_cqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_cq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_cqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_cq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cq_entry { uint32_t __reserved__; uint32_t cq_lro; uint32_t cq_lro_ack_seq_num; uint32_t cq_rx_hash; uint8_t cq_rx_hash_type; uint8_t cq_ml_path; uint16_t __reserved__; uint32_t cq_checksum; uint32_t __reserved__; uint32_t cq_flags; uint32_t cq_lro_srqn; uint32_t __reserved__[2]; uint32_t cq_byte_cnt; uint64_t cq_timestamp; uint8_t cq_rx_drops; uint8_t cq_flow_tag[3]; uint16_t cq_wqe_count; uint8_t cq_signature; uint8_t cq_opcode_owner; #define MCX_CQ_ENTRY_FLAG_OWNER (1 << 0) #define MCX_CQ_ENTRY_FLAG_SE (1 << 1) #define MCX_CQ_ENTRY_FORMAT_SHIFT 2 #define MCX_CQ_ENTRY_OPCODE_SHIFT 4 #define MCX_CQ_ENTRY_FORMAT_NO_INLINE 0 #define MCX_CQ_ENTRY_FORMAT_INLINE_32 1 #define MCX_CQ_ENTRY_FORMAT_INLINE_64 2 #define MCX_CQ_ENTRY_FORMAT_COMPRESSED 3 #define MCX_CQ_ENTRY_OPCODE_REQ 0 #define MCX_CQ_ENTRY_OPCODE_SEND 2 #define MCX_CQ_ENTRY_OPCODE_REQ_ERR 13 #define MCX_CQ_ENTRY_OPCODE_SEND_ERR 14 #define MCX_CQ_ENTRY_OPCODE_INVALID 15 } __packed __aligned(4); CTASSERT(sizeof(struct mcx_cq_entry) == 64); struct mcx_cq_doorbell { uint32_t db_update_ci; uint32_t db_arm_ci; #define MCX_CQ_DOORBELL_ARM_CMD_SN_SHIFT 28 #define MCX_CQ_DOORBELL_ARM_CMD (1 << 24) #define MCX_CQ_DOORBELL_ARM_CI_MASK (0xffffff) } __packed __aligned(8); struct mcx_wq_ctx { uint8_t wq_type; #define MCX_WQ_CTX_TYPE_CYCLIC (1 << 4) #define MCX_WQ_CTX_TYPE_SIGNATURE (1 << 3) uint8_t wq_reserved0[5]; uint16_t wq_lwm; uint32_t wq_pd; uint32_t wq_uar_page; uint64_t wq_doorbell; uint32_t wq_hw_counter; uint32_t wq_sw_counter; uint16_t wq_log_stride; uint8_t wq_log_page_sz; uint8_t wq_log_size; uint8_t wq_reserved1[156]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_wq_ctx) == 0xC0); struct mcx_sq_ctx { uint32_t sq_flags; #define MCX_SQ_CTX_RLKEY (1U << 31) #define MCX_SQ_CTX_FRE_SHIFT (1 << 29) #define MCX_SQ_CTX_FLUSH_IN_ERROR (1 << 28) #define MCX_SQ_CTX_MIN_WQE_INLINE_SHIFT 24 #define MCX_SQ_CTX_STATE_SHIFT 20 uint32_t sq_user_index; uint32_t sq_cqn; uint32_t sq_reserved1[5]; uint32_t sq_tis_lst_sz; #define MCX_SQ_CTX_TIS_LST_SZ_SHIFT 16 uint32_t sq_reserved2[2]; uint32_t sq_tis_num; struct mcx_wq_ctx sq_wq; } __packed __aligned(4); struct mcx_sq_entry_seg { uint32_t sqs_byte_count; uint32_t sqs_lkey; uint64_t sqs_addr; } __packed __aligned(4); struct mcx_sq_entry { /* control segment */ uint32_t sqe_opcode_index; #define MCX_SQE_WQE_INDEX_SHIFT 8 #define MCX_SQE_WQE_OPCODE_NOP 0x00 #define MCX_SQE_WQE_OPCODE_SEND 0x0a uint32_t sqe_ds_sq_num; #define MCX_SQE_SQ_NUM_SHIFT 8 uint32_t sqe_signature; #define MCX_SQE_SIGNATURE_SHIFT 24 #define MCX_SQE_SOLICITED_EVENT 0x02 #define MCX_SQE_CE_CQE_ON_ERR 0x00 #define MCX_SQE_CE_CQE_FIRST_ERR 0x04 #define MCX_SQE_CE_CQE_ALWAYS 0x08 #define MCX_SQE_CE_CQE_SOLICIT 0x0C #define MCX_SQE_FM_NO_FENCE 0x00 #define MCX_SQE_FM_SMALL_FENCE 0x40 uint32_t sqe_mkey; /* ethernet segment */ uint32_t sqe_reserved1; uint32_t sqe_mss_csum; #define MCX_SQE_L4_CSUM (1 << 31) #define MCX_SQE_L3_CSUM (1 << 30) uint32_t sqe_reserved2; uint16_t sqe_inline_header_size; uint16_t sqe_inline_headers[9]; /* data segment */ struct mcx_sq_entry_seg sqe_segs[1]; } __packed __aligned(64); CTASSERT(sizeof(struct mcx_sq_entry) == 64); struct mcx_cmd_create_sq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_sq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_sqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_modify_sq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_sq_state; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_modify_sq_mb_in { uint32_t cmd_modify_hi; uint32_t cmd_modify_lo; uint8_t cmd_reserved0[8]; struct mcx_sq_ctx cmd_sq_ctx; } __packed __aligned(4); struct mcx_cmd_modify_sq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_destroy_sq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_sqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_sq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_rq_ctx { uint32_t rq_flags; #define MCX_RQ_CTX_RLKEY (1U << 31) #define MCX_RQ_CTX_VLAN_STRIP_DIS (1 << 28) #define MCX_RQ_CTX_MEM_RQ_TYPE_SHIFT 24 #define MCX_RQ_CTX_STATE_SHIFT 20 #define MCX_RQ_CTX_FLUSH_IN_ERROR (1 << 18) uint32_t rq_user_index; uint32_t rq_cqn; uint32_t rq_reserved1; uint32_t rq_rmpn; uint32_t rq_reserved2[7]; struct mcx_wq_ctx rq_wq; } __packed __aligned(4); struct mcx_rq_entry { uint32_t rqe_byte_count; uint32_t rqe_lkey; uint64_t rqe_addr; } __packed __aligned(16); struct mcx_cmd_create_rq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_rq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_rqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_modify_rq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_rq_state; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_modify_rq_mb_in { uint32_t cmd_modify_hi; uint32_t cmd_modify_lo; uint8_t cmd_reserved0[8]; struct mcx_rq_ctx cmd_rq_ctx; } __packed __aligned(4); struct mcx_cmd_modify_rq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_destroy_rq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_rqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_rq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_flow_table_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_flow_table_ctx { uint8_t ft_miss_action; uint8_t ft_level; uint8_t ft_reserved0; uint8_t ft_log_size; uint32_t ft_table_miss_id; uint8_t ft_reserved1[28]; } __packed __aligned(4); struct mcx_cmd_create_flow_table_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[7]; struct mcx_flow_table_ctx cmd_ctx; } __packed __aligned(4); struct mcx_cmd_create_flow_table_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_table_id; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_destroy_flow_table_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_destroy_flow_table_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[40]; } __packed __aligned(4); struct mcx_cmd_destroy_flow_table_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_flow_table_root_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_flow_table_root_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[56]; } __packed __aligned(4); struct mcx_cmd_set_flow_table_root_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_flow_match { /* outer headers */ uint8_t mc_src_mac[6]; uint16_t mc_ethertype; uint8_t mc_dest_mac[6]; uint16_t mc_first_vlan; uint8_t mc_ip_proto; uint8_t mc_ip_dscp_ecn; uint8_t mc_vlan_flags; uint8_t mc_tcp_flags; uint16_t mc_tcp_sport; uint16_t mc_tcp_dport; uint32_t mc_reserved0; uint16_t mc_udp_sport; uint16_t mc_udp_dport; uint8_t mc_src_ip[16]; uint8_t mc_dest_ip[16]; /* misc parameters */ uint8_t mc_reserved1[8]; uint16_t mc_second_vlan; uint8_t mc_reserved2[2]; uint8_t mc_second_vlan_flags; uint8_t mc_reserved3[15]; uint32_t mc_outer_ipv6_flow_label; uint8_t mc_reserved4[32]; uint8_t mc_reserved[384]; } __packed __aligned(4); CTASSERT(sizeof(struct mcx_flow_match) == 512); struct mcx_cmd_create_flow_group_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_create_flow_group_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[4]; uint32_t cmd_start_flow_index; uint8_t cmd_reserved2[4]; uint32_t cmd_end_flow_index; uint8_t cmd_reserved3[23]; uint8_t cmd_match_criteria_enable; #define MCX_CREATE_FLOW_GROUP_CRIT_OUTER (1 << 0) #define MCX_CREATE_FLOW_GROUP_CRIT_MISC (1 << 1) #define MCX_CREATE_FLOW_GROUP_CRIT_INNER (1 << 2) struct mcx_flow_match cmd_match_criteria; uint8_t cmd_reserved4[448]; } __packed __aligned(4); struct mcx_cmd_create_flow_group_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint32_t cmd_group_id; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_flow_ctx { uint8_t fc_reserved0[4]; uint32_t fc_group_id; uint32_t fc_flow_tag; uint32_t fc_action; #define MCX_FLOW_CONTEXT_ACTION_ALLOW (1 << 0) #define MCX_FLOW_CONTEXT_ACTION_DROP (1 << 1) #define MCX_FLOW_CONTEXT_ACTION_FORWARD (1 << 2) #define MCX_FLOW_CONTEXT_ACTION_COUNT (1 << 3) uint32_t fc_dest_list_size; uint32_t fc_counter_list_size; uint8_t fc_reserved1[40]; struct mcx_flow_match fc_match_value; uint8_t fc_reserved2[192]; } __packed __aligned(4); #define MCX_FLOW_CONTEXT_DEST_TYPE_TABLE (1 << 24) #define MCX_FLOW_CONTEXT_DEST_TYPE_TIR (2 << 24) struct mcx_cmd_destroy_flow_group_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_destroy_flow_group_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint32_t cmd_group_id; uint8_t cmd_reserved1[36]; } __packed __aligned(4); struct mcx_cmd_destroy_flow_group_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_flow_table_entry_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_set_flow_table_entry_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint32_t cmd_modify_enable_mask; uint8_t cmd_reserved1[4]; uint32_t cmd_flow_index; uint8_t cmd_reserved2[28]; struct mcx_flow_ctx cmd_flow_ctx; } __packed __aligned(4); struct mcx_cmd_set_flow_table_entry_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_entry_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_entry_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[8]; uint32_t cmd_flow_index; uint8_t cmd_reserved2[28]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_entry_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_entry_mb_out { uint8_t cmd_reserved0[48]; struct mcx_flow_ctx cmd_flow_ctx; } __packed __aligned(4); struct mcx_cmd_delete_flow_table_entry_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_delete_flow_table_entry_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[8]; uint32_t cmd_flow_index; uint8_t cmd_reserved2[28]; } __packed __aligned(4); struct mcx_cmd_delete_flow_table_entry_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_group_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_group_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint32_t cmd_group_id; uint8_t cmd_reserved1[36]; } __packed __aligned(4); struct mcx_cmd_query_flow_group_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_group_mb_out { uint8_t cmd_reserved0[12]; uint32_t cmd_start_flow_index; uint8_t cmd_reserved1[4]; uint32_t cmd_end_flow_index; uint8_t cmd_reserved2[20]; uint32_t cmd_match_criteria_enable; uint8_t cmd_match_criteria[512]; uint8_t cmd_reserved4[448]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_mb_in { uint8_t cmd_table_type; uint8_t cmd_reserved0[3]; uint32_t cmd_table_id; uint8_t cmd_reserved1[40]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_flow_table_mb_out { uint8_t cmd_reserved0[4]; struct mcx_flow_table_ctx cmd_ctx; } __packed __aligned(4); struct mcx_cmd_alloc_flow_counter_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_rq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_rqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_query_rq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_rq_mb_out { uint8_t cmd_reserved0[16]; struct mcx_rq_ctx cmd_ctx; }; struct mcx_cmd_query_sq_in { uint16_t cmd_opcode; uint8_t cmd_reserved0[4]; uint16_t cmd_op_mod; uint32_t cmd_sqn; uint8_t cmd_reserved1[4]; } __packed __aligned(4); struct mcx_cmd_query_sq_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[8]; } __packed __aligned(4); struct mcx_cmd_query_sq_mb_out { uint8_t cmd_reserved0[16]; struct mcx_sq_ctx cmd_ctx; }; struct mcx_cmd_alloc_flow_counter_out { uint8_t cmd_status; uint8_t cmd_reserved0[3]; uint32_t cmd_syndrome; uint8_t cmd_reserved1[2]; uint16_t cmd_flow_counter_id; uint8_t cmd_reserved2[4]; } __packed __aligned(4); struct mcx_wq_doorbell { uint32_t db_recv_counter; uint32_t db_send_counter; } __packed __aligned(8); struct mcx_dmamem { bus_dmamap_t mxm_map; bus_dma_segment_t mxm_seg; int mxm_nsegs; size_t mxm_size; void *mxm_kva; }; #define MCX_DMA_MAP(_mxm) ((_mxm)->mxm_map) #define MCX_DMA_DVA(_mxm) ((_mxm)->mxm_map->dm_segs[0].ds_addr) #define MCX_DMA_KVA(_mxm) ((void *)(_mxm)->mxm_kva) #define MCX_DMA_LEN(_mxm) ((_mxm)->mxm_size) struct mcx_hwmem { bus_dmamap_t mhm_map; bus_dma_segment_t *mhm_segs; unsigned int mhm_seg_count; unsigned int mhm_npages; }; struct mcx_slot { bus_dmamap_t ms_map; struct mbuf *ms_m; }; struct mcx_cq { int cq_n; struct mcx_dmamem cq_mem; uint32_t *cq_doorbell; uint32_t cq_cons; uint32_t cq_count; }; struct mcx_calibration { uint64_t c_timestamp; /* previous mcx chip time */ uint64_t c_uptime; /* previous kernel nanouptime */ uint64_t c_tbase; /* mcx chip time */ uint64_t c_ubase; /* kernel nanouptime */ uint64_t c_tdiff; uint64_t c_udiff; }; #define MCX_CALIBRATE_FIRST 2 #define MCX_CALIBRATE_NORMAL 30 struct mcx_rxring { u_int rxr_total; u_int rxr_inuse; }; MBUFQ_HEAD(mcx_mbufq); struct mcx_softc { device_t sc_dev; struct ethercom sc_ec; struct ifmedia sc_media; uint64_t sc_media_status; uint64_t sc_media_active; pci_chipset_tag_t sc_pc; pci_intr_handle_t *sc_intrs; void *sc_ihs[MCX_MAX_NINTR]; pcitag_t sc_tag; bus_dma_tag_t sc_dmat; bus_space_tag_t sc_memt; bus_space_handle_t sc_memh; bus_size_t sc_mems; struct mcx_dmamem sc_cmdq_mem; unsigned int sc_cmdq_mask; unsigned int sc_cmdq_size; unsigned int sc_cmdq_token; struct mcx_hwmem sc_boot_pages; struct mcx_hwmem sc_init_pages; struct mcx_hwmem sc_regular_pages; int sc_uar; int sc_pd; int sc_tdomain; uint32_t sc_lkey; struct mcx_dmamem sc_doorbell_mem; int sc_eqn; uint32_t sc_eq_cons; struct mcx_dmamem sc_eq_mem; int sc_hardmtu; struct workqueue *sc_workq; struct work sc_port_change; int sc_flow_table_id; #define MCX_FLOW_GROUP_PROMISC 0 #define MCX_FLOW_GROUP_ALLMULTI 1 #define MCX_FLOW_GROUP_MAC 2 #define MCX_NUM_FLOW_GROUPS 3 int sc_flow_group_id[MCX_NUM_FLOW_GROUPS]; int sc_flow_group_size[MCX_NUM_FLOW_GROUPS]; int sc_flow_group_start[MCX_NUM_FLOW_GROUPS]; int sc_promisc_flow_enabled; int sc_allmulti_flow_enabled; int sc_mcast_flow_base; int sc_extra_mcast; uint8_t sc_mcast_flows[MCX_NUM_MCAST_FLOWS][ETHER_ADDR_LEN]; struct mcx_calibration sc_calibration[2]; unsigned int sc_calibration_gen; callout_t sc_calibrate; struct mcx_cq sc_cq[MCX_MAX_CQS]; int sc_num_cq; /* rx */ int sc_tirn; int sc_rqn; struct mcx_dmamem sc_rq_mem; struct mcx_slot *sc_rx_slots; uint32_t *sc_rx_doorbell; uint32_t sc_rx_prod; callout_t sc_rx_refill; struct mcx_rxring sc_rxr; /* tx */ int sc_tisn; int sc_sqn; struct mcx_dmamem sc_sq_mem; struct mcx_slot *sc_tx_slots; uint32_t *sc_tx_doorbell; int sc_bf_size; int sc_bf_offset; uint32_t sc_tx_cons; uint32_t sc_tx_prod; uint64_t sc_last_cq_db; uint64_t sc_last_srq_db; }; #define DEVNAME(_sc) device_xname((_sc)->sc_dev) static int mcx_match(device_t, cfdata_t, void *); static void mcx_attach(device_t, device_t, void *); static void mcx_rxr_init(struct mcx_rxring *, u_int, u_int); static u_int mcx_rxr_get(struct mcx_rxring *, u_int); static void mcx_rxr_put(struct mcx_rxring *, u_int); static u_int mcx_rxr_inuse(struct mcx_rxring *); static int mcx_version(struct mcx_softc *); static int mcx_init_wait(struct mcx_softc *); static int mcx_enable_hca(struct mcx_softc *); static int mcx_teardown_hca(struct mcx_softc *, uint16_t); static int mcx_access_hca_reg(struct mcx_softc *, uint16_t, int, void *, int); static int mcx_issi(struct mcx_softc *); static int mcx_pages(struct mcx_softc *, struct mcx_hwmem *, uint16_t); static int mcx_hca_max_caps(struct mcx_softc *); static int mcx_hca_set_caps(struct mcx_softc *); static int mcx_init_hca(struct mcx_softc *); static int mcx_set_driver_version(struct mcx_softc *); static int mcx_iff(struct mcx_softc *); static int mcx_alloc_uar(struct mcx_softc *); static int mcx_alloc_pd(struct mcx_softc *); static int mcx_alloc_tdomain(struct mcx_softc *); static int mcx_create_eq(struct mcx_softc *); static int mcx_query_nic_vport_context(struct mcx_softc *, uint8_t *); static int mcx_query_special_contexts(struct mcx_softc *); static int mcx_set_port_mtu(struct mcx_softc *, int); static int mcx_create_cq(struct mcx_softc *, int); static int mcx_destroy_cq(struct mcx_softc *, int); static int mcx_create_sq(struct mcx_softc *, int); static int mcx_destroy_sq(struct mcx_softc *); static int mcx_ready_sq(struct mcx_softc *); static int mcx_create_rq(struct mcx_softc *, int); static int mcx_destroy_rq(struct mcx_softc *); static int mcx_ready_rq(struct mcx_softc *); static int mcx_create_tir(struct mcx_softc *); static int mcx_destroy_tir(struct mcx_softc *); static int mcx_create_tis(struct mcx_softc *); static int mcx_destroy_tis(struct mcx_softc *); static int mcx_create_flow_table(struct mcx_softc *, int); static int mcx_set_flow_table_root(struct mcx_softc *); static int mcx_destroy_flow_table(struct mcx_softc *); static int mcx_create_flow_group(struct mcx_softc *, int, int, int, int, struct mcx_flow_match *); static int mcx_destroy_flow_group(struct mcx_softc *, int); static int mcx_set_flow_table_entry(struct mcx_softc *, int, int, const uint8_t *); static int mcx_delete_flow_table_entry(struct mcx_softc *, int, int); #if 0 static int mcx_dump_flow_table(struct mcx_softc *); static int mcx_dump_flow_table_entry(struct mcx_softc *, int); static int mcx_dump_flow_group(struct mcx_softc *); static int mcx_dump_rq(struct mcx_softc *); static int mcx_dump_sq(struct mcx_softc *); #endif /* static void mcx_cmdq_dump(const struct mcx_cmdq_entry *); static void mcx_cmdq_mbox_dump(struct mcx_dmamem *, int); */ static void mcx_refill(void *); static int mcx_process_rx(struct mcx_softc *, struct mcx_cq_entry *, struct mcx_mbufq *, const struct mcx_calibration *); static void mcx_process_txeof(struct mcx_softc *, struct mcx_cq_entry *, int *); static void mcx_process_cq(struct mcx_softc *, struct mcx_cq *); static void mcx_arm_cq(struct mcx_softc *, struct mcx_cq *); static void mcx_arm_eq(struct mcx_softc *); static int mcx_intr(void *); static int mcx_init(struct ifnet *); static void mcx_stop(struct ifnet *, int); static int mcx_ioctl(struct ifnet *, u_long, void *); static void mcx_start(struct ifnet *); static void mcx_watchdog(struct ifnet *); static void mcx_media_add_types(struct mcx_softc *); static void mcx_media_status(struct ifnet *, struct ifmediareq *); static int mcx_media_change(struct ifnet *); #if 0 static int mcx_get_sffpage(struct ifnet *, struct if_sffpage *); #endif static void mcx_port_change(struct work *, void *); static void mcx_calibrate_first(struct mcx_softc *); static void mcx_calibrate(void *); static inline uint32_t mcx_rd(struct mcx_softc *, bus_size_t); static inline void mcx_wr(struct mcx_softc *, bus_size_t, uint32_t); static inline void mcx_bar(struct mcx_softc *, bus_size_t, bus_size_t, int); static uint64_t mcx_timer(struct mcx_softc *); static int mcx_dmamem_alloc(struct mcx_softc *, struct mcx_dmamem *, bus_size_t, u_int align); static void mcx_dmamem_zero(struct mcx_dmamem *); static void mcx_dmamem_free(struct mcx_softc *, struct mcx_dmamem *); static int mcx_hwmem_alloc(struct mcx_softc *, struct mcx_hwmem *, unsigned int); static void mcx_hwmem_free(struct mcx_softc *, struct mcx_hwmem *); CFATTACH_DECL_NEW(mcx, sizeof(struct mcx_softc), mcx_match, mcx_attach, NULL, NULL); static const struct { pci_vendor_id_t vendor; pci_product_id_t product; } mcx_devices[] = { { PCI_VENDOR_MELLANOX, PCI_PRODUCT_MELLANOX_MT27700 }, { PCI_VENDOR_MELLANOX, PCI_PRODUCT_MELLANOX_MT27710 }, { PCI_VENDOR_MELLANOX, PCI_PRODUCT_MELLANOX_MT27800 }, { PCI_VENDOR_MELLANOX, PCI_PRODUCT_MELLANOX_MT28800 }, }; struct mcx_eth_proto_capability { uint64_t cap_media; uint64_t cap_baudrate; }; static const struct mcx_eth_proto_capability mcx_eth_cap_map[] = { [MCX_ETHER_CAP_SGMII] = { IFM_1000_SGMII, IF_Gbps(1) }, [MCX_ETHER_CAP_1000_KX] = { IFM_1000_KX, IF_Gbps(1) }, [MCX_ETHER_CAP_10G_CX4] = { IFM_10G_CX4, IF_Gbps(10) }, [MCX_ETHER_CAP_10G_KX4] = { IFM_10G_KX4, IF_Gbps(10) }, [MCX_ETHER_CAP_10G_KR] = { IFM_10G_KR, IF_Gbps(10) }, [MCX_ETHER_CAP_20G_KR2] = { IFM_20G_KR2, IF_Gbps(20) }, [MCX_ETHER_CAP_40G_CR4] = { IFM_40G_CR4, IF_Gbps(40) }, [MCX_ETHER_CAP_40G_KR4] = { IFM_40G_KR4, IF_Gbps(40) }, [MCX_ETHER_CAP_56G_R4] = { IFM_56G_R4, IF_Gbps(56) }, [MCX_ETHER_CAP_10G_CR] = { IFM_10G_CR1, IF_Gbps(10) }, [MCX_ETHER_CAP_10G_SR] = { IFM_10G_SR, IF_Gbps(10) }, [MCX_ETHER_CAP_10G_LR] = { IFM_10G_LR, IF_Gbps(10) }, [MCX_ETHER_CAP_40G_SR4] = { IFM_40G_SR4, IF_Gbps(40) }, [MCX_ETHER_CAP_40G_LR4] = { IFM_40G_LR4, IF_Gbps(40) }, [MCX_ETHER_CAP_50G_SR2] = { IFM_50G_SR2, IF_Gbps(50) }, [MCX_ETHER_CAP_100G_CR4] = { IFM_100G_CR4, IF_Gbps(100) }, [MCX_ETHER_CAP_100G_SR4] = { IFM_100G_SR4, IF_Gbps(100) }, [MCX_ETHER_CAP_100G_KR4] = { IFM_100G_KR4, IF_Gbps(100) }, [MCX_ETHER_CAP_100G_LR4] = { IFM_100G_LR4, IF_Gbps(100) }, [MCX_ETHER_CAP_100_TX] = { IFM_100_TX, IF_Mbps(100) }, [MCX_ETHER_CAP_1000_T] = { IFM_1000_T, IF_Gbps(1) }, [MCX_ETHER_CAP_10G_T] = { IFM_10G_T, IF_Gbps(10) }, [MCX_ETHER_CAP_25G_CR] = { IFM_25G_CR, IF_Gbps(25) }, [MCX_ETHER_CAP_25G_KR] = { IFM_25G_KR, IF_Gbps(25) }, [MCX_ETHER_CAP_25G_SR] = { IFM_25G_SR, IF_Gbps(25) }, [MCX_ETHER_CAP_50G_CR2] = { IFM_50G_CR2, IF_Gbps(50) }, [MCX_ETHER_CAP_50G_KR2] = { IFM_50G_KR2, IF_Gbps(50) }, }; static int mcx_get_id(uint32_t val) { return be32toh(val) & 0x00ffffff; } static int mcx_match(device_t parent, cfdata_t cf, void *aux) { struct pci_attach_args *pa = aux; int n; for (n = 0; n < __arraycount(mcx_devices); n++) { if (PCI_VENDOR(pa->pa_id) == mcx_devices[n].vendor && PCI_PRODUCT(pa->pa_id) == mcx_devices[n].product) return 1; } return 0; } void mcx_attach(device_t parent, device_t self, void *aux) { struct mcx_softc *sc = device_private(self); struct ifnet *ifp = &sc->sc_ec.ec_if; struct pci_attach_args *pa = aux; uint8_t enaddr[ETHER_ADDR_LEN]; int counts[PCI_INTR_TYPE_SIZE]; char intrbuf[PCI_INTRSTR_LEN]; pcireg_t memtype; uint32_t r; unsigned int cq_stride; unsigned int cq_size; const char *intrstr; int i; sc->sc_dev = self; sc->sc_pc = pa->pa_pc; sc->sc_tag = pa->pa_tag; if (pci_dma64_available(pa)) sc->sc_dmat = pa->pa_dmat64; else sc->sc_dmat = pa->pa_dmat; /* Map the PCI memory space */ memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, MCX_HCA_BAR); if (pci_mapreg_map(pa, MCX_HCA_BAR, memtype, 0 /*BUS_SPACE_MAP_PREFETCHABLE*/, &sc->sc_memt, &sc->sc_memh, NULL, &sc->sc_mems)) { aprint_error(": unable to map register memory\n"); return; } pci_aprint_devinfo(pa, "Ethernet controller"); if (mcx_version(sc) != 0) { /* error printed by mcx_version */ goto unmap; } r = mcx_rd(sc, MCX_CMDQ_ADDR_LO); cq_stride = 1 << MCX_CMDQ_LOG_STRIDE(r); /* size of the entries */ cq_size = 1 << MCX_CMDQ_LOG_SIZE(r); /* number of entries */ if (cq_size > MCX_MAX_CQE) { aprint_error_dev(self, "command queue size overflow %u\n", cq_size); goto unmap; } if (cq_stride < sizeof(struct mcx_cmdq_entry)) { aprint_error_dev(self, "command queue entry size underflow %u\n", cq_stride); goto unmap; } if (cq_stride * cq_size > MCX_PAGE_SIZE) { aprint_error_dev(self, "command queue page overflow\n"); goto unmap; } if (mcx_dmamem_alloc(sc, &sc->sc_doorbell_mem, MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { aprint_error_dev(self, "unable to allocate doorbell memory\n"); goto unmap; } if (mcx_dmamem_alloc(sc, &sc->sc_cmdq_mem, MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { aprint_error_dev(self, "unable to allocate command queue\n"); goto dbfree; } mcx_wr(sc, MCX_CMDQ_ADDR_HI, MCX_DMA_DVA(&sc->sc_cmdq_mem) >> 32); mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint32_t), BUS_SPACE_BARRIER_WRITE); mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_DMA_DVA(&sc->sc_cmdq_mem)); mcx_bar(sc, MCX_CMDQ_ADDR_LO, sizeof(uint32_t), BUS_SPACE_BARRIER_WRITE); if (mcx_init_wait(sc) != 0) { aprint_error_dev(self, "timeout waiting for init\n"); goto cqfree; } sc->sc_cmdq_mask = cq_size - 1; sc->sc_cmdq_size = cq_stride; if (mcx_enable_hca(sc) != 0) { /* error printed by mcx_enable_hca */ goto cqfree; } if (mcx_issi(sc) != 0) { /* error printed by mcx_issi */ goto teardown; } if (mcx_pages(sc, &sc->sc_boot_pages, htobe16(MCX_CMD_QUERY_PAGES_BOOT)) != 0) { /* error printed by mcx_pages */ goto teardown; } if (mcx_hca_max_caps(sc) != 0) { /* error printed by mcx_hca_max_caps */ goto teardown; } if (mcx_hca_set_caps(sc) != 0) { /* error printed by mcx_hca_set_caps */ goto teardown; } if (mcx_pages(sc, &sc->sc_init_pages, htobe16(MCX_CMD_QUERY_PAGES_INIT)) != 0) { /* error printed by mcx_pages */ goto teardown; } if (mcx_init_hca(sc) != 0) { /* error printed by mcx_init_hca */ goto teardown; } if (mcx_pages(sc, &sc->sc_regular_pages, htobe16(MCX_CMD_QUERY_PAGES_REGULAR)) != 0) { /* error printed by mcx_pages */ goto teardown; } /* apparently not necessary? */ if (mcx_set_driver_version(sc) != 0) { /* error printed by mcx_set_driver_version */ goto teardown; } if (mcx_iff(sc) != 0) { /* modify nic vport context */ /* error printed by mcx_iff? */ goto teardown; } if (mcx_alloc_uar(sc) != 0) { /* error printed by mcx_alloc_uar */ goto teardown; } if (mcx_alloc_pd(sc) != 0) { /* error printed by mcx_alloc_pd */ goto teardown; } if (mcx_alloc_tdomain(sc) != 0) { /* error printed by mcx_alloc_tdomain */ goto teardown; } /* * PRM makes no mention of msi interrupts, just legacy and msi-x. * mellanox support tells me legacy interrupts are not supported, * so we're stuck with just msi-x. */ counts[PCI_INTR_TYPE_MSIX] = 1; counts[PCI_INTR_TYPE_MSI] = 0; counts[PCI_INTR_TYPE_INTX] = 0; if (pci_intr_alloc(pa, &sc->sc_intrs, counts, PCI_INTR_TYPE_MSIX) != 0) { aprint_error_dev(self, "unable to allocate interrupt\n"); goto teardown; } KASSERT(pci_intr_type(sc->sc_pc, sc->sc_intrs[0]) == PCI_INTR_TYPE_MSIX); #ifdef MCX_MPSAFE pci_intr_setattr(sc->sc_pc, &sc->sc_intrs[0], PCI_INTR_MPSAFE, true); #endif intrstr = pci_intr_string(sc->sc_pc, sc->sc_intrs[0], intrbuf, sizeof(intrbuf)); sc->sc_ihs[0] = pci_intr_establish_xname(sc->sc_pc, sc->sc_intrs[0], IPL_NET, mcx_intr, sc, DEVNAME(sc)); if (sc->sc_ihs[0] == NULL) { aprint_error_dev(self, "unable to establish interrupt%s%s\n", intrstr ? " at " : "", intrstr ? intrstr : ""); goto teardown; } aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); if (mcx_create_eq(sc) != 0) { /* error printed by mcx_create_eq */ goto teardown; } if (mcx_query_nic_vport_context(sc, enaddr) != 0) { /* error printed by mcx_query_nic_vport_context */ goto teardown; } if (mcx_query_special_contexts(sc) != 0) { /* error printed by mcx_query_special_contexts */ goto teardown; } if (mcx_set_port_mtu(sc, MCX_HARDMTU) != 0) { /* error printed by mcx_set_port_mtu */ goto teardown; } aprint_normal_dev(sc->sc_dev, "Ethernet address %s\n", ether_sprintf(enaddr)); strlcpy(ifp->if_xname, DEVNAME(sc), IFNAMSIZ); ifp->if_softc = sc; ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX; #ifdef MCX_MPSAFE ifp->if_extflags = IFEF_MPSAFE; #endif ifp->if_init = mcx_init; ifp->if_stop = mcx_stop; ifp->if_ioctl = mcx_ioctl; ifp->if_start = mcx_start; ifp->if_watchdog = mcx_watchdog; ifp->if_mtu = sc->sc_hardmtu; IFQ_SET_MAXLEN(&ifp->if_snd, 1024); IFQ_SET_READY(&ifp->if_snd); sc->sc_ec.ec_capabilities = ETHERCAP_VLAN_MTU | ETHERCAP_JUMBO_MTU; sc->sc_ec.ec_ifmedia = &sc->sc_media; ifmedia_init(&sc->sc_media, IFM_IMASK, mcx_media_change, mcx_media_status); mcx_media_add_types(sc); ifmedia_add(&sc->sc_media, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&sc->sc_media, IFM_ETHER | IFM_AUTO); if_attach(ifp); if_deferred_start_init(ifp, NULL); ether_ifattach(ifp, enaddr); callout_init(&sc->sc_rx_refill, CALLOUT_FLAGS); callout_setfunc(&sc->sc_rx_refill, mcx_refill, sc); callout_init(&sc->sc_calibrate, CALLOUT_FLAGS); callout_setfunc(&sc->sc_calibrate, mcx_calibrate, sc); if (workqueue_create(&sc->sc_workq, "mcxportchg", mcx_port_change, sc, PRI_NONE, IPL_NET, 0) != 0) { aprint_error_dev(self, "couldn't create port change workq\n"); goto teardown; } mcx_port_change(&sc->sc_port_change, sc); sc->sc_flow_table_id = -1; for (i = 0; i < MCX_NUM_FLOW_GROUPS; i++) { sc->sc_flow_group_id[i] = -1; sc->sc_flow_group_size[i] = 0; sc->sc_flow_group_start[i] = 0; } sc->sc_extra_mcast = 0; memset(sc->sc_mcast_flows, 0, sizeof(sc->sc_mcast_flows)); return; teardown: mcx_teardown_hca(sc, htobe16(MCX_CMD_TEARDOWN_HCA_GRACEFUL)); /* error printed by mcx_teardown_hca, and we're already unwinding */ cqfree: mcx_wr(sc, MCX_CMDQ_ADDR_HI, MCX_DMA_DVA(&sc->sc_cmdq_mem) >> 32); mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint64_t), BUS_SPACE_BARRIER_WRITE); mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_DMA_DVA(&sc->sc_cmdq_mem) | MCX_CMDQ_INTERFACE_DISABLED); mcx_bar(sc, MCX_CMDQ_ADDR_LO, sizeof(uint64_t), BUS_SPACE_BARRIER_WRITE); mcx_wr(sc, MCX_CMDQ_ADDR_HI, 0); mcx_bar(sc, MCX_CMDQ_ADDR_HI, sizeof(uint64_t), BUS_SPACE_BARRIER_WRITE); mcx_wr(sc, MCX_CMDQ_ADDR_LO, MCX_CMDQ_INTERFACE_DISABLED); mcx_dmamem_free(sc, &sc->sc_cmdq_mem); dbfree: mcx_dmamem_free(sc, &sc->sc_doorbell_mem); unmap: bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_mems); sc->sc_mems = 0; } static void mcx_rxr_init(struct mcx_rxring *rxr, u_int lwm __unused, u_int hwm) { rxr->rxr_total = hwm; rxr->rxr_inuse = 0; } static u_int mcx_rxr_get(struct mcx_rxring *rxr, u_int max) { const u_int taken = MIN(max, rxr->rxr_total - rxr->rxr_inuse); rxr->rxr_inuse += taken; return taken; } static void mcx_rxr_put(struct mcx_rxring *rxr, u_int n) { rxr->rxr_inuse -= n; } static u_int mcx_rxr_inuse(struct mcx_rxring *rxr) { return rxr->rxr_inuse; } static int mcx_version(struct mcx_softc *sc) { uint32_t fw0, fw1; uint16_t cmdif; fw0 = mcx_rd(sc, MCX_FW_VER); fw1 = mcx_rd(sc, MCX_CMDIF_FW_SUBVER); aprint_normal_dev(sc->sc_dev, "FW %u.%u.%04u\n", MCX_FW_VER_MAJOR(fw0), MCX_FW_VER_MINOR(fw0), MCX_FW_VER_SUBMINOR(fw1)); cmdif = MCX_CMDIF(fw1); if (cmdif != MCX_CMD_IF_SUPPORTED) { aprint_error_dev(sc->sc_dev, "unsupported command interface %u\n", cmdif); return (-1); } return (0); } static int mcx_init_wait(struct mcx_softc *sc) { unsigned int i; uint32_t r; for (i = 0; i < 2000; i++) { r = mcx_rd(sc, MCX_STATE); if ((r & MCX_STATE_MASK) == MCX_STATE_READY) return (0); delay(1000); mcx_bar(sc, MCX_STATE, sizeof(uint32_t), BUS_SPACE_BARRIER_READ); } return (-1); } static uint8_t mcx_cmdq_poll(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe, unsigned int msec) { unsigned int i; for (i = 0; i < msec; i++) { bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_cmdq_mem), 0, MCX_DMA_LEN(&sc->sc_cmdq_mem), BUS_DMASYNC_POSTRW); if ((cqe->cq_status & MCX_CQ_STATUS_OWN_MASK) == MCX_CQ_STATUS_OWN_SW) return (0); delay(1000); } return (ETIMEDOUT); } static uint32_t mcx_mix_u64(uint32_t xor, uint64_t u64) { xor ^= u64 >> 32; xor ^= u64; return (xor); } static uint32_t mcx_mix_u32(uint32_t xor, uint32_t u32) { xor ^= u32; return (xor); } static uint32_t mcx_mix_u8(uint32_t xor, uint8_t u8) { xor ^= u8; return (xor); } static uint8_t mcx_mix_done(uint32_t xor) { xor ^= xor >> 16; xor ^= xor >> 8; return (xor); } static uint8_t mcx_xor(const void *buf, size_t len) { const uint32_t *dwords = buf; uint32_t xor = 0xff; size_t i; len /= sizeof(*dwords); for (i = 0; i < len; i++) xor ^= dwords[i]; return (mcx_mix_done(xor)); } static uint8_t mcx_cmdq_token(struct mcx_softc *sc) { uint8_t token; do { token = ++sc->sc_cmdq_token; } while (token == 0); return (token); } static void mcx_cmdq_init(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe, uint32_t ilen, uint32_t olen, uint8_t token) { memset(cqe, 0, sc->sc_cmdq_size); cqe->cq_type = MCX_CMDQ_TYPE_PCIE; be32enc(&cqe->cq_input_length, ilen); be32enc(&cqe->cq_output_length, olen); cqe->cq_token = token; cqe->cq_status = MCX_CQ_STATUS_OWN_HW; } static void mcx_cmdq_sign(struct mcx_cmdq_entry *cqe) { cqe->cq_signature = ~mcx_xor(cqe, sizeof(*cqe)); } static int mcx_cmdq_verify(const struct mcx_cmdq_entry *cqe) { /* return (mcx_xor(cqe, sizeof(*cqe)) ? -1 : 0); */ return (0); } static void * mcx_cmdq_in(struct mcx_cmdq_entry *cqe) { return (&cqe->cq_input_data); } static void * mcx_cmdq_out(struct mcx_cmdq_entry *cqe) { return (&cqe->cq_output_data); } static void mcx_cmdq_post(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe, unsigned int slot) { mcx_cmdq_sign(cqe); bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(&sc->sc_cmdq_mem), 0, MCX_DMA_LEN(&sc->sc_cmdq_mem), BUS_DMASYNC_PRERW); mcx_wr(sc, MCX_CMDQ_DOORBELL, 1U << slot); } static int mcx_enable_hca(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_enable_hca_in *in; struct mcx_cmd_enable_hca_out *out; int error; uint8_t status; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ENABLE_HCA); in->cmd_op_mod = htobe16(0); in->cmd_function_id = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", hca enable timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", hca enable command corrupt\n"); return (-1); } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", hca enable failed (%x)\n", status); return (-1); } return (0); } static int mcx_teardown_hca(struct mcx_softc *sc, uint16_t profile) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_teardown_hca_in *in; struct mcx_cmd_teardown_hca_out *out; int error; uint8_t status; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_TEARDOWN_HCA); in->cmd_op_mod = htobe16(0); in->cmd_profile = profile; mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", hca teardown timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", hca teardown command corrupt\n"); return (-1); } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", hca teardown failed (%x)\n", status); return (-1); } return (0); } static int mcx_cmdq_mboxes_alloc(struct mcx_softc *sc, struct mcx_dmamem *mxm, unsigned int nmb, uint64_t *ptr, uint8_t token) { uint8_t *kva; uint64_t dva; int i; int error; error = mcx_dmamem_alloc(sc, mxm, nmb * MCX_CMDQ_MAILBOX_SIZE, MCX_CMDQ_MAILBOX_ALIGN); if (error != 0) return (error); mcx_dmamem_zero(mxm); dva = MCX_DMA_DVA(mxm); kva = MCX_DMA_KVA(mxm); for (i = 0; i < nmb; i++) { struct mcx_cmdq_mailbox *mbox = (struct mcx_cmdq_mailbox *)kva; /* patch the cqe or mbox pointing at this one */ be64enc(ptr, dva); /* fill in this mbox */ be32enc(&mbox->mb_block_number, i); mbox->mb_token = token; /* move to the next one */ ptr = &mbox->mb_next_ptr; dva += MCX_CMDQ_MAILBOX_SIZE; kva += MCX_CMDQ_MAILBOX_SIZE; } return (0); } static uint32_t mcx_cmdq_mbox_ctrl_sig(const struct mcx_cmdq_mailbox *mb) { uint32_t xor = 0xff; /* only 3 fields get set, so mix them directly */ xor = mcx_mix_u64(xor, mb->mb_next_ptr); xor = mcx_mix_u32(xor, mb->mb_block_number); xor = mcx_mix_u8(xor, mb->mb_token); return (mcx_mix_done(xor)); } static void mcx_cmdq_mboxes_sign(struct mcx_dmamem *mxm, unsigned int nmb) { uint8_t *kva; int i; kva = MCX_DMA_KVA(mxm); for (i = 0; i < nmb; i++) { struct mcx_cmdq_mailbox *mb = (struct mcx_cmdq_mailbox *)kva; uint8_t sig = mcx_cmdq_mbox_ctrl_sig(mb); mb->mb_ctrl_signature = sig; mb->mb_signature = sig ^ mcx_xor(mb->mb_data, sizeof(mb->mb_data)); kva += MCX_CMDQ_MAILBOX_SIZE; } } static void mcx_cmdq_mboxes_sync(struct mcx_softc *sc, struct mcx_dmamem *mxm, int ops) { bus_dmamap_sync(sc->sc_dmat, MCX_DMA_MAP(mxm), 0, MCX_DMA_LEN(mxm), ops); } static struct mcx_cmdq_mailbox * mcx_cq_mbox(struct mcx_dmamem *mxm, unsigned int i) { uint8_t *kva; kva = MCX_DMA_KVA(mxm); kva += i * MCX_CMDQ_MAILBOX_SIZE; return ((struct mcx_cmdq_mailbox *)kva); } static inline void * mcx_cq_mbox_data(struct mcx_cmdq_mailbox *mb) { return (&mb->mb_data); } static void mcx_cmdq_mboxes_copyin(struct mcx_dmamem *mxm, unsigned int nmb, void *b, size_t len) { uint8_t *buf = b; struct mcx_cmdq_mailbox *mb; int i; mb = (struct mcx_cmdq_mailbox *)MCX_DMA_KVA(mxm); for (i = 0; i < nmb; i++) { memcpy(mb->mb_data, buf, uimin(sizeof(mb->mb_data), len)); if (sizeof(mb->mb_data) >= len) break; buf += sizeof(mb->mb_data); len -= sizeof(mb->mb_data); mb++; } } static void mcx_cmdq_mboxes_pas(struct mcx_dmamem *mxm, int offset, int npages, struct mcx_dmamem *buf) { uint64_t *pas; int mbox, mbox_pages, i; mbox = offset / MCX_CMDQ_MAILBOX_DATASIZE; offset %= MCX_CMDQ_MAILBOX_DATASIZE; pas = mcx_cq_mbox_data(mcx_cq_mbox(mxm, mbox)); pas += (offset / sizeof(*pas)); mbox_pages = (MCX_CMDQ_MAILBOX_DATASIZE - offset) / sizeof(*pas); for (i = 0; i < npages; i++) { if (i == mbox_pages) { mbox++; pas = mcx_cq_mbox_data(mcx_cq_mbox(mxm, mbox)); mbox_pages += MCX_CMDQ_MAILBOX_DATASIZE / sizeof(*pas); } *pas = htobe64(MCX_DMA_DVA(buf) + (i * MCX_PAGE_SIZE)); pas++; } } static void mcx_cmdq_mboxes_copyout(struct mcx_dmamem *mxm, int nmb, void *b, size_t len) { uint8_t *buf = b; struct mcx_cmdq_mailbox *mb; int i; mb = (struct mcx_cmdq_mailbox *)MCX_DMA_KVA(mxm); for (i = 0; i < nmb; i++) { memcpy(buf, mb->mb_data, uimin(sizeof(mb->mb_data), len)); if (sizeof(mb->mb_data) >= len) break; buf += sizeof(mb->mb_data); len -= sizeof(mb->mb_data); mb++; } } static void mcx_cq_mboxes_free(struct mcx_softc *sc, struct mcx_dmamem *mxm) { mcx_dmamem_free(sc, mxm); } #if 0 static void mcx_cmdq_dump(const struct mcx_cmdq_entry *cqe) { unsigned int i; printf(" type %02x, ilen %u, iptr %016llx", cqe->cq_type, be32dec(&cqe->cq_input_length), be64dec(&cqe->cq_input_ptr)); printf(", idata "); for (i = 0; i < sizeof(cqe->cq_input_data); i++) printf("%02x", cqe->cq_input_data[i]); printf(", odata "); for (i = 0; i < sizeof(cqe->cq_output_data); i++) printf("%02x", cqe->cq_output_data[i]); printf(", optr %016llx, olen %u, token %02x, sig %02x, status %02x", be64dec(&cqe->cq_output_ptr), be32dec(&cqe->cq_output_length), cqe->cq_token, cqe->cq_signature, cqe->cq_status); } static void mcx_cmdq_mbox_dump(struct mcx_dmamem *mboxes, int num) { int i, j; uint8_t *d; for (i = 0; i < num; i++) { struct mcx_cmdq_mailbox *mbox; mbox = mcx_cq_mbox(mboxes, i); d = mcx_cq_mbox_data(mbox); for (j = 0; j < MCX_CMDQ_MAILBOX_DATASIZE; j++) { if (j != 0 && (j % 16 == 0)) printf("\n"); printf("%.2x ", d[j]); } } } #endif static int mcx_access_hca_reg(struct mcx_softc *sc, uint16_t reg, int op, void *data, int len) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_access_reg_in *in; struct mcx_cmd_access_reg_out *out; uint8_t token = mcx_cmdq_token(sc); int error, nmb; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in) + len, sizeof(*out) + len, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ACCESS_REG); in->cmd_op_mod = htobe16(op); in->cmd_register_id = htobe16(reg); nmb = howmany(len, MCX_CMDQ_MAILBOX_DATASIZE); if (mcx_cmdq_mboxes_alloc(sc, &mxm, nmb, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate access reg mailboxen\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mcx_cmdq_mboxes_copyin(&mxm, nmb, data, len); mcx_cmdq_mboxes_sign(&mxm, nmb); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW); if (error != 0) { printf("%s: access reg (%s %x) timeout\n", DEVNAME(sc), (op == MCX_REG_OP_WRITE ? "write" : "read"), reg); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: access reg (%s %x) reply corrupt\n", (op == MCX_REG_OP_WRITE ? "write" : "read"), DEVNAME(sc), reg); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: access reg (%s %x) failed (%x, %.6x)\n", DEVNAME(sc), (op == MCX_REG_OP_WRITE ? "write" : "read"), reg, out->cmd_status, out->cmd_syndrome); error = -1; goto free; } mcx_cmdq_mboxes_copyout(&mxm, nmb, data, len); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_set_issi(struct mcx_softc *sc, struct mcx_cmdq_entry *cqe, unsigned int slot) { struct mcx_cmd_set_issi_in *in; struct mcx_cmd_set_issi_out *out; uint8_t status; mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_SET_ISSI); in->cmd_op_mod = htobe16(0); in->cmd_current_issi = htobe16(MCX_ISSI); mcx_cmdq_post(sc, cqe, slot); if (mcx_cmdq_poll(sc, cqe, 1000) != 0) return (-1); if (mcx_cmdq_verify(cqe) != 0) return (-1); status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) return (-1); return (0); } static int mcx_issi(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_issi_in *in; struct mcx_cmd_query_issi_il_out *out; struct mcx_cmd_query_issi_mb_out *mb; uint8_t token = mcx_cmdq_token(sc); uint8_t status; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mb), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_ISSI); in->cmd_op_mod = htobe16(0); CTASSERT(sizeof(*mb) <= MCX_CMDQ_MAILBOX_DATASIZE); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query issi mailbox\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", query issi timeout\n"); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf(", query issi reply corrupt\n"); goto free; } status = cqe->cq_output_data[0]; switch (status) { case MCX_CQ_STATUS_OK: break; case MCX_CQ_STATUS_BAD_OPCODE: /* use ISSI 0 */ goto free; default: printf(", query issi failed (%x)\n", status); error = -1; goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_current_issi == htobe16(MCX_ISSI)) { /* use ISSI 1 */ goto free; } /* don't need to read cqe anymore, can be used for SET ISSI */ mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); CTASSERT(MCX_ISSI < NBBY); /* XXX math is hard */ if (!ISSET(mb->cmd_supported_issi[79], 1 << MCX_ISSI)) { /* use ISSI 0 */ goto free; } if (mcx_set_issi(sc, cqe, 0) != 0) { /* ignore the error, just use ISSI 0 */ } else { /* use ISSI 1 */ } free: mcx_cq_mboxes_free(sc, &mxm); return (error); } static int mcx_query_pages(struct mcx_softc *sc, uint16_t type, uint32_t *npages, uint16_t *func_id) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_pages_in *in; struct mcx_cmd_query_pages_out *out; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_PAGES); in->cmd_op_mod = type; mcx_cmdq_post(sc, cqe, 0); if (mcx_cmdq_poll(sc, cqe, 1000) != 0) { printf(", query pages timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", query pages reply corrupt\n"); return (-1); } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", query pages failed (%x)\n", out->cmd_status); return (-1); } *func_id = out->cmd_func_id; *npages = be32dec(&out->cmd_num_pages); return (0); } struct bus_dma_iter { bus_dmamap_t i_map; bus_size_t i_offset; unsigned int i_index; }; static void bus_dma_iter_init(struct bus_dma_iter *i, bus_dmamap_t map) { i->i_map = map; i->i_offset = 0; i->i_index = 0; } static bus_addr_t bus_dma_iter_addr(struct bus_dma_iter *i) { return (i->i_map->dm_segs[i->i_index].ds_addr + i->i_offset); } static void bus_dma_iter_add(struct bus_dma_iter *i, bus_size_t size) { bus_dma_segment_t *seg = i->i_map->dm_segs + i->i_index; bus_size_t diff; do { diff = seg->ds_len - i->i_offset; if (size < diff) break; size -= diff; seg++; i->i_offset = 0; i->i_index++; } while (size > 0); i->i_offset += size; } static int mcx_add_pages(struct mcx_softc *sc, struct mcx_hwmem *mhm, uint16_t func_id) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_manage_pages_in *in; struct mcx_cmd_manage_pages_out *out; unsigned int paslen, nmb, i, j, npages; struct bus_dma_iter iter; uint64_t *pas; uint8_t status; uint8_t token = mcx_cmdq_token(sc); int error; npages = mhm->mhm_npages; paslen = sizeof(*pas) * npages; nmb = howmany(paslen, MCX_CMDQ_MAILBOX_DATASIZE); cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in) + paslen, sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_MANAGE_PAGES); in->cmd_op_mod = htobe16(MCX_CMD_MANAGE_PAGES_ALLOC_SUCCESS); in->cmd_func_id = func_id; be32enc(&in->cmd_input_num_entries, npages); if (mcx_cmdq_mboxes_alloc(sc, &mxm, nmb, &cqe->cq_input_ptr, token) != 0) { printf(", unable to allocate manage pages mailboxen\n"); return (-1); } bus_dma_iter_init(&iter, mhm->mhm_map); for (i = 0; i < nmb; i++) { unsigned int lim; pas = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, i)); lim = uimin(MCX_CMDQ_MAILBOX_DATASIZE / sizeof(*pas), npages); for (j = 0; j < lim; j++) { be64enc(&pas[j], bus_dma_iter_addr(&iter)); bus_dma_iter_add(&iter, MCX_PAGE_SIZE); } npages -= lim; } mcx_cmdq_mboxes_sign(&mxm, nmb); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", manage pages timeout\n"); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf(", manage pages reply corrupt\n"); goto free; } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", manage pages failed (%x)\n", status); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_pages(struct mcx_softc *sc, struct mcx_hwmem *mhm, uint16_t type) { uint32_t npages; uint16_t func_id; if (mcx_query_pages(sc, type, &npages, &func_id) != 0) { /* error printed by mcx_query_pages */ return (-1); } if (npages == 0) return (0); if (mcx_hwmem_alloc(sc, mhm, npages) != 0) { printf(", unable to allocate hwmem\n"); return (-1); } if (mcx_add_pages(sc, mhm, func_id) != 0) { printf(", unable to add hwmem\n"); goto free; } return (0); free: mcx_hwmem_free(sc, mhm); return (-1); } static int mcx_hca_max_caps(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_hca_cap_in *in; struct mcx_cmd_query_hca_cap_out *out; struct mcx_cmdq_mailbox *mb; struct mcx_cap_device *hca; uint8_t status; uint8_t token = mcx_cmdq_token(sc); int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + MCX_HCA_CAP_LEN, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_HCA_CAP); in->cmd_op_mod = htobe16(MCX_CMD_QUERY_HCA_CAP_MAX | MCX_CMD_QUERY_HCA_CAP_DEVICE); if (mcx_cmdq_mboxes_alloc(sc, &mxm, MCX_HCA_CAP_NMAILBOXES, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query hca caps mailboxen\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, MCX_HCA_CAP_NMAILBOXES); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW); if (error != 0) { printf(", query hca caps timeout\n"); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf(", query hca caps reply corrupt\n"); goto free; } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", query hca caps failed (%x)\n", status); error = -1; goto free; } mb = mcx_cq_mbox(&mxm, 0); hca = mcx_cq_mbox_data(mb); if (hca->log_pg_sz > PAGE_SHIFT) { printf(", minimum system page shift %u is too large\n", hca->log_pg_sz); error = -1; goto free; } /* * blueflame register is split into two buffers, and we must alternate * between the two of them. */ sc->sc_bf_size = (1 << hca->log_bf_reg_size) / 2; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_hca_set_caps(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_hca_cap_in *in; struct mcx_cmd_query_hca_cap_out *out; struct mcx_cmdq_mailbox *mb; struct mcx_cap_device *hca; uint8_t status; uint8_t token = mcx_cmdq_token(sc); int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + MCX_HCA_CAP_LEN, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_HCA_CAP); in->cmd_op_mod = htobe16(MCX_CMD_QUERY_HCA_CAP_CURRENT | MCX_CMD_QUERY_HCA_CAP_DEVICE); if (mcx_cmdq_mboxes_alloc(sc, &mxm, MCX_HCA_CAP_NMAILBOXES, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate manage pages mailboxen\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, MCX_HCA_CAP_NMAILBOXES); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_PRERW); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); mcx_cmdq_mboxes_sync(sc, &mxm, BUS_DMASYNC_POSTRW); if (error != 0) { printf(", query hca caps timeout\n"); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf(", query hca caps reply corrupt\n"); goto free; } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", query hca caps failed (%x)\n", status); error = -1; goto free; } mb = mcx_cq_mbox(&mxm, 0); hca = mcx_cq_mbox_data(mb); hca->log_pg_sz = PAGE_SHIFT; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_init_hca(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_init_hca_in *in; struct mcx_cmd_init_hca_out *out; int error; uint8_t status; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_INIT_HCA); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", hca init timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", hca init command corrupt\n"); return (-1); } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", hca init failed (%x)\n", status); return (-1); } return (0); } static int mcx_set_driver_version(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_set_driver_version_in *in; struct mcx_cmd_set_driver_version_out *out; int error; int token; uint8_t status; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(struct mcx_cmd_set_driver_version), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_SET_DRIVER_VERSION); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf(", unable to allocate set driver version mailboxen\n"); return (-1); } strlcpy(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)), "OpenBSD,mcx,1.000.000000", MCX_CMDQ_MAILBOX_DATASIZE); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", set driver version timeout\n"); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf(", set driver version command corrupt\n"); goto free; } status = cqe->cq_output_data[0]; if (status != MCX_CQ_STATUS_OK) { printf(", set driver version failed (%x)\n", status); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_iff(struct mcx_softc *sc) { struct ifnet *ifp = &sc->sc_ec.ec_if; struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_modify_nic_vport_context_in *in; struct mcx_cmd_modify_nic_vport_context_out *out; struct mcx_nic_vport_ctx *ctx; int error; int token; int insize; /* enable or disable the promisc flow */ if (ISSET(ifp->if_flags, IFF_PROMISC)) { if (sc->sc_promisc_flow_enabled == 0) { mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_PROMISC, 0, NULL); sc->sc_promisc_flow_enabled = 1; } } else if (sc->sc_promisc_flow_enabled != 0) { mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_PROMISC, 0); sc->sc_promisc_flow_enabled = 0; } /* enable or disable the all-multicast flow */ if (ISSET(ifp->if_flags, IFF_ALLMULTI)) { if (sc->sc_allmulti_flow_enabled == 0) { uint8_t mcast[ETHER_ADDR_LEN]; memset(mcast, 0, sizeof(mcast)); mcast[0] = 0x01; mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_ALLMULTI, 0, mcast); sc->sc_allmulti_flow_enabled = 1; } } else if (sc->sc_allmulti_flow_enabled != 0) { mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_ALLMULTI, 0); sc->sc_allmulti_flow_enabled = 0; } insize = sizeof(struct mcx_nic_vport_ctx) + 240; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_MODIFY_NIC_VPORT_CONTEXT); in->cmd_op_mod = htobe16(0); in->cmd_field_select = htobe32( MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_PROMISC | MCX_CMD_MODIFY_NIC_VPORT_CONTEXT_FIELD_MTU); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf(", unable to allocate modify nic vport context mailboxen\n"); return (-1); } ctx = (struct mcx_nic_vport_ctx *) (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 240); ctx->vp_mtu = htobe32(sc->sc_hardmtu); /* * always leave promisc-all enabled on the vport since we can't give it * a vlan list, and we're already doing multicast filtering in the flow * table. */ ctx->vp_flags = htobe16(MCX_NIC_VPORT_CTX_PROMISC_ALL); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", modify nic vport context timeout\n"); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf(", modify nic vport context command corrupt\n"); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", modify nic vport context failed (%x, %x)\n", out->cmd_status, out->cmd_syndrome); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_alloc_uar(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_alloc_uar_in *in; struct mcx_cmd_alloc_uar_out *out; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ALLOC_UAR); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", alloc uar timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", alloc uar command corrupt\n"); return (-1); } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", alloc uar failed (%x)\n", out->cmd_status); return (-1); } sc->sc_uar = mcx_get_id(out->cmd_uar); return (0); } static int mcx_create_eq(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_eq_in *in; struct mcx_cmd_create_eq_mb_in *mbin; struct mcx_cmd_create_eq_out *out; struct mcx_eq_entry *eqe; int error; uint64_t *pas; int insize, npages, paslen, i, token; sc->sc_eq_cons = 0; npages = howmany((1 << MCX_LOG_EQ_SIZE) * sizeof(struct mcx_eq_entry), MCX_PAGE_SIZE); paslen = npages * sizeof(*pas); insize = sizeof(struct mcx_cmd_create_eq_mb_in) + paslen; if (mcx_dmamem_alloc(sc, &sc->sc_eq_mem, npages * MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { printf(", unable to allocate event queue memory\n"); return (-1); } eqe = (struct mcx_eq_entry *)MCX_DMA_KVA(&sc->sc_eq_mem); for (i = 0; i < (1 << MCX_LOG_EQ_SIZE); i++) { eqe[i].eq_owner = MCX_EQ_ENTRY_OWNER_INIT; } cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_EQ); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE), &cqe->cq_input_ptr, token) != 0) { printf(", unable to allocate create eq mailboxen\n"); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_eq_ctx.eq_uar_size = htobe32( (MCX_LOG_EQ_SIZE << MCX_EQ_CTX_LOG_EQ_SIZE_SHIFT) | sc->sc_uar); mbin->cmd_event_bitmask = htobe64( (1ull << MCX_EVENT_TYPE_INTERNAL_ERROR) | (1ull << MCX_EVENT_TYPE_PORT_CHANGE) | (1ull << MCX_EVENT_TYPE_CMD_COMPLETION) | (1ull << MCX_EVENT_TYPE_PAGE_REQUEST)); /* physical addresses follow the mailbox in data */ mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin), npages, &sc->sc_eq_mem); mcx_cmdq_mboxes_sign(&mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE)); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", create eq timeout\n"); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf(", create eq command corrupt\n"); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", create eq failed (%x, %x)\n", out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_eqn = mcx_get_id(out->cmd_eqn); mcx_arm_eq(sc); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_alloc_pd(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_alloc_pd_in *in; struct mcx_cmd_alloc_pd_out *out; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ALLOC_PD); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", alloc pd timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", alloc pd command corrupt\n"); return (-1); } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", alloc pd failed (%x)\n", out->cmd_status); return (-1); } sc->sc_pd = mcx_get_id(out->cmd_pd); return (0); } static int mcx_alloc_tdomain(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_alloc_td_in *in; struct mcx_cmd_alloc_td_out *out; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ALLOC_TRANSPORT_DOMAIN); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", alloc transport domain timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", alloc transport domain command corrupt\n"); return (-1); } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", alloc transport domain failed (%x)\n", out->cmd_status); return (-1); } sc->sc_tdomain = mcx_get_id(out->cmd_tdomain); return (0); } static int mcx_query_nic_vport_context(struct mcx_softc *sc, uint8_t *enaddr) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_nic_vport_context_in *in; struct mcx_cmd_query_nic_vport_context_out *out; struct mcx_nic_vport_ctx *ctx; uint8_t *addr; int error, token, i; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*ctx), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_NIC_VPORT_CONTEXT); in->cmd_op_mod = htobe16(0); in->cmd_allowed_list_type = 0; if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query nic vport context mailboxen\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", query nic vport context timeout\n"); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf(", query nic vport context command corrupt\n"); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", query nic vport context failed (%x, %x)\n", out->cmd_status, out->cmd_syndrome); error = -1; goto free; } ctx = (struct mcx_nic_vport_ctx *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); addr = (uint8_t *)&ctx->vp_perm_addr; for (i = 0; i < ETHER_ADDR_LEN; i++) { enaddr[i] = addr[i + 2]; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_query_special_contexts(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_special_ctx_in *in; struct mcx_cmd_query_special_ctx_out *out; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_SPECIAL_CONTEXTS); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf(", query special contexts timeout\n"); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf(", query special contexts command corrupt\n"); return (-1); } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf(", query special contexts failed (%x)\n", out->cmd_status); return (-1); } sc->sc_lkey = be32toh(out->cmd_resd_lkey); return (0); } static int mcx_set_port_mtu(struct mcx_softc *sc, int mtu) { struct mcx_reg_pmtu pmtu; int error; /* read max mtu */ memset(&pmtu, 0, sizeof(pmtu)); pmtu.rp_local_port = 1; error = mcx_access_hca_reg(sc, MCX_REG_PMTU, MCX_REG_OP_READ, &pmtu, sizeof(pmtu)); if (error != 0) { printf(", unable to get port MTU\n"); return error; } mtu = uimin(mtu, be16toh(pmtu.rp_max_mtu)); pmtu.rp_admin_mtu = htobe16(mtu); error = mcx_access_hca_reg(sc, MCX_REG_PMTU, MCX_REG_OP_WRITE, &pmtu, sizeof(pmtu)); if (error != 0) { printf(", unable to set port MTU\n"); return error; } sc->sc_hardmtu = mtu; return 0; } static int mcx_create_cq(struct mcx_softc *sc, int eqn) { struct mcx_cmdq_entry *cmde; struct mcx_cq_entry *cqe; struct mcx_cq *cq; struct mcx_dmamem mxm; struct mcx_cmd_create_cq_in *in; struct mcx_cmd_create_cq_mb_in *mbin; struct mcx_cmd_create_cq_out *out; int error; uint64_t *pas; int insize, npages, paslen, i, token; if (sc->sc_num_cq >= MCX_MAX_CQS) { printf("%s: tried to create too many cqs\n", DEVNAME(sc)); return (-1); } cq = &sc->sc_cq[sc->sc_num_cq]; npages = howmany((1 << MCX_LOG_CQ_SIZE) * sizeof(struct mcx_cq_entry), MCX_PAGE_SIZE); paslen = npages * sizeof(*pas); insize = sizeof(struct mcx_cmd_create_cq_mb_in) + paslen; if (mcx_dmamem_alloc(sc, &cq->cq_mem, npages * MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { printf("%s: unable to allocate completion queue memory\n", DEVNAME(sc)); return (-1); } cqe = MCX_DMA_KVA(&cq->cq_mem); for (i = 0; i < (1 << MCX_LOG_CQ_SIZE); i++) { cqe[i].cq_opcode_owner = MCX_CQ_ENTRY_FLAG_OWNER; } cmde = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cmde, sizeof(*in) + insize, sizeof(*out), token); in = mcx_cmdq_in(cmde); in->cmd_opcode = htobe16(MCX_CMD_CREATE_CQ); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE), &cmde->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create cq mailboxen\n", DEVNAME(sc)); error = -1; goto free; } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_cq_ctx.cq_uar_size = htobe32( (MCX_LOG_CQ_SIZE << MCX_CQ_CTX_LOG_CQ_SIZE_SHIFT) | sc->sc_uar); mbin->cmd_cq_ctx.cq_eqn = htobe32(eqn); mbin->cmd_cq_ctx.cq_period_max_count = htobe32( (MCX_CQ_MOD_PERIOD << MCX_CQ_CTX_PERIOD_SHIFT) | MCX_CQ_MOD_COUNTER); mbin->cmd_cq_ctx.cq_doorbell = htobe64( MCX_DMA_DVA(&sc->sc_doorbell_mem) + MCX_CQ_DOORBELL_OFFSET + (MCX_CQ_DOORBELL_SIZE * sc->sc_num_cq)); /* physical addresses follow the mailbox in data */ mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin), npages, &cq->cq_mem); mcx_cmdq_post(sc, cmde, 0); error = mcx_cmdq_poll(sc, cmde, 1000); if (error != 0) { printf("%s: create cq timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cmde) != 0) { printf("%s: create cq command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cmde); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create cq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } cq->cq_n = mcx_get_id(out->cmd_cqn); cq->cq_cons = 0; cq->cq_count = 0; cq->cq_doorbell = (void *)((uint8_t *)MCX_DMA_KVA(&sc->sc_doorbell_mem) + MCX_CQ_DOORBELL_OFFSET + (MCX_CQ_DOORBELL_SIZE * sc->sc_num_cq)); mcx_arm_cq(sc, cq); sc->sc_num_cq++; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_cq(struct mcx_softc *sc, int index) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_destroy_cq_in *in; struct mcx_cmd_destroy_cq_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_CQ); in->cmd_op_mod = htobe16(0); in->cmd_cqn = htobe32(sc->sc_cq[index].cq_n); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy cq timeout\n", DEVNAME(sc)); return error; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy cq command corrupt\n", DEVNAME(sc)); return error; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy cq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); return -1; } sc->sc_cq[index].cq_n = 0; mcx_dmamem_free(sc, &sc->sc_cq[index].cq_mem); sc->sc_cq[index].cq_cons = 0; sc->sc_cq[index].cq_count = 0; return 0; } static int mcx_create_rq(struct mcx_softc *sc, int cqn) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_rq_in *in; struct mcx_cmd_create_rq_out *out; struct mcx_rq_ctx *mbin; int error; uint64_t *pas; uint8_t *doorbell; int insize, npages, paslen, token; npages = howmany((1 << MCX_LOG_RQ_SIZE) * sizeof(struct mcx_rq_entry), MCX_PAGE_SIZE); paslen = npages * sizeof(*pas); insize = 0x10 + sizeof(struct mcx_rq_ctx) + paslen; if (mcx_dmamem_alloc(sc, &sc->sc_rq_mem, npages * MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { printf("%s: unable to allocate receive queue memory\n", DEVNAME(sc)); return (-1); } cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + insize, sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_RQ); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE), &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create rq mailboxen\n", DEVNAME(sc)); error = -1; goto free; } mbin = (struct mcx_rq_ctx *)(((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 0x10); mbin->rq_flags = htobe32(MCX_RQ_CTX_RLKEY | MCX_RQ_CTX_VLAN_STRIP_DIS); mbin->rq_cqn = htobe32(cqn); mbin->rq_wq.wq_type = MCX_WQ_CTX_TYPE_CYCLIC; mbin->rq_wq.wq_pd = htobe32(sc->sc_pd); mbin->rq_wq.wq_doorbell = htobe64(MCX_DMA_DVA(&sc->sc_doorbell_mem) + MCX_RQ_DOORBELL_OFFSET); mbin->rq_wq.wq_log_stride = htobe16(4); mbin->rq_wq.wq_log_size = MCX_LOG_RQ_SIZE; /* physical addresses follow the mailbox in data */ mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin) + 0x10, npages, &sc->sc_rq_mem); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create rq timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create rq command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create rq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_rqn = mcx_get_id(out->cmd_rqn); doorbell = MCX_DMA_KVA(&sc->sc_doorbell_mem); sc->sc_rx_doorbell = (uint32_t *)(doorbell + MCX_RQ_DOORBELL_OFFSET); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_ready_rq(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_modify_rq_in *in; struct mcx_cmd_modify_rq_mb_in *mbin; struct mcx_cmd_modify_rq_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_MODIFY_RQ); in->cmd_op_mod = htobe16(0); in->cmd_rq_state = htobe32((MCX_QUEUE_STATE_RST << 28) | sc->sc_rqn); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate modify rq mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_rq_ctx.rq_flags = htobe32( MCX_QUEUE_STATE_RDY << MCX_RQ_CTX_STATE_SHIFT); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: modify rq timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: modify rq command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: modify rq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_rq(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_destroy_rq_in *in; struct mcx_cmd_destroy_rq_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_RQ); in->cmd_op_mod = htobe16(0); in->cmd_rqn = htobe32(sc->sc_rqn); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy rq timeout\n", DEVNAME(sc)); return error; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy rq command corrupt\n", DEVNAME(sc)); return error; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy rq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); return -1; } sc->sc_rqn = 0; return 0; } static int mcx_create_tir(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_tir_in *in; struct mcx_cmd_create_tir_mb_in *mbin; struct mcx_cmd_create_tir_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_TIR); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create tir mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); /* leave disp_type = 0, so packets get sent to the inline rqn */ mbin->cmd_inline_rqn = htobe32(sc->sc_rqn); mbin->cmd_tdomain = htobe32(sc->sc_tdomain); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create tir timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create tir command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create tir failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_tirn = mcx_get_id(out->cmd_tirn); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_tir(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_destroy_tir_in *in; struct mcx_cmd_destroy_tir_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_TIR); in->cmd_op_mod = htobe16(0); in->cmd_tirn = htobe32(sc->sc_tirn); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy tir timeout\n", DEVNAME(sc)); return error; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy tir command corrupt\n", DEVNAME(sc)); return error; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy tir failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); return -1; } sc->sc_tirn = 0; return 0; } static int mcx_create_sq(struct mcx_softc *sc, int cqn) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_sq_in *in; struct mcx_sq_ctx *mbin; struct mcx_cmd_create_sq_out *out; int error; uint64_t *pas; uint8_t *doorbell; int insize, npages, paslen, token; npages = howmany((1 << MCX_LOG_SQ_SIZE) * sizeof(struct mcx_sq_entry), MCX_PAGE_SIZE); paslen = npages * sizeof(*pas); insize = sizeof(struct mcx_sq_ctx) + paslen; if (mcx_dmamem_alloc(sc, &sc->sc_sq_mem, npages * MCX_PAGE_SIZE, MCX_PAGE_SIZE) != 0) { printf("%s: unable to allocate send queue memory\n", DEVNAME(sc)); return (-1); } cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + insize + paslen, sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_SQ); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, howmany(insize, MCX_CMDQ_MAILBOX_DATASIZE), &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create sq mailboxen\n", DEVNAME(sc)); error = -1; goto free; } mbin = (struct mcx_sq_ctx *)(((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))) + 0x10); mbin->sq_flags = htobe32(MCX_SQ_CTX_RLKEY | (1 << MCX_SQ_CTX_MIN_WQE_INLINE_SHIFT)); mbin->sq_cqn = htobe32(cqn); mbin->sq_tis_lst_sz = htobe32(1 << MCX_SQ_CTX_TIS_LST_SZ_SHIFT); mbin->sq_tis_num = htobe32(sc->sc_tisn); mbin->sq_wq.wq_type = MCX_WQ_CTX_TYPE_CYCLIC; mbin->sq_wq.wq_pd = htobe32(sc->sc_pd); mbin->sq_wq.wq_uar_page = htobe32(sc->sc_uar); mbin->sq_wq.wq_doorbell = htobe64(MCX_DMA_DVA(&sc->sc_doorbell_mem) + MCX_SQ_DOORBELL_OFFSET); mbin->sq_wq.wq_log_stride = htobe16(MCX_LOG_SQ_ENTRY_SIZE); mbin->sq_wq.wq_log_size = MCX_LOG_SQ_SIZE; /* physical addresses follow the mailbox in data */ mcx_cmdq_mboxes_pas(&mxm, sizeof(*mbin) + 0x10, npages, &sc->sc_sq_mem); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create sq timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create sq command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create sq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_sqn = mcx_get_id(out->cmd_sqn); doorbell = MCX_DMA_KVA(&sc->sc_doorbell_mem); sc->sc_tx_doorbell = (uint32_t *)(doorbell + MCX_SQ_DOORBELL_OFFSET + 4); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_sq(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_destroy_sq_in *in; struct mcx_cmd_destroy_sq_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_SQ); in->cmd_op_mod = htobe16(0); in->cmd_sqn = htobe32(sc->sc_sqn); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy sq timeout\n", DEVNAME(sc)); return error; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy sq command corrupt\n", DEVNAME(sc)); return error; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy sq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); return -1; } sc->sc_sqn = 0; return 0; } static int mcx_ready_sq(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_modify_sq_in *in; struct mcx_cmd_modify_sq_mb_in *mbin; struct mcx_cmd_modify_sq_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_MODIFY_SQ); in->cmd_op_mod = htobe16(0); in->cmd_sq_state = htobe32((MCX_QUEUE_STATE_RST << 28) | sc->sc_sqn); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate modify sq mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_sq_ctx.sq_flags = htobe32( MCX_QUEUE_STATE_RDY << MCX_SQ_CTX_STATE_SHIFT); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: modify sq timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: modify sq command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: modify sq failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_create_tis(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_tis_in *in; struct mcx_cmd_create_tis_mb_in *mbin; struct mcx_cmd_create_tis_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_TIS); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create tis mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_tdomain = htobe32(sc->sc_tdomain); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create tis timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create tis command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create tis failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_tisn = mcx_get_id(out->cmd_tisn); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_tis(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_destroy_tis_in *in; struct mcx_cmd_destroy_tis_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_TIS); in->cmd_op_mod = htobe16(0); in->cmd_tisn = htobe32(sc->sc_tisn); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy tis timeout\n", DEVNAME(sc)); return error; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy tis command corrupt\n", DEVNAME(sc)); return error; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy tis failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); return -1; } sc->sc_tirn = 0; return 0; } #if 0 static int mcx_alloc_flow_counter(struct mcx_softc *sc, int i) { struct mcx_cmdq_entry *cqe; struct mcx_cmd_alloc_flow_counter_in *in; struct mcx_cmd_alloc_flow_counter_out *out; int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out), mcx_cmdq_token(sc)); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_ALLOC_FLOW_COUNTER); in->cmd_op_mod = htobe16(0); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: alloc flow counter timeout\n", DEVNAME(sc)); return (-1); } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: alloc flow counter command corrupt\n", DEVNAME(sc)); return (-1); } out = (struct mcx_cmd_alloc_flow_counter_out *)cqe->cq_output_data; if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: alloc flow counter failed (%x)\n", DEVNAME(sc), out->cmd_status); return (-1); } sc->sc_flow_counter_id[i] = be16toh(out->cmd_flow_counter_id); printf("flow counter id %d = %d\n", i, sc->sc_flow_counter_id[i]); return (0); } #endif static int mcx_create_flow_table(struct mcx_softc *sc, int log_size) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_flow_table_in *in; struct mcx_cmd_create_flow_table_mb_in *mbin; struct mcx_cmd_create_flow_table_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_FLOW_TABLE); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create flow table mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mbin->cmd_ctx.ft_log_size = log_size; mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create flow table timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create flow table command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create flow table failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_flow_table_id = mcx_get_id(out->cmd_table_id); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_set_flow_table_root(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_set_flow_table_root_in *in; struct mcx_cmd_set_flow_table_root_mb_in *mbin; struct mcx_cmd_set_flow_table_root_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_SET_FLOW_TABLE_ROOT); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate set flow table root mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: set flow table root timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: set flow table root command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: set flow table root failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_flow_table(struct mcx_softc *sc) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_destroy_flow_table_in *in; struct mcx_cmd_destroy_flow_table_mb_in *mb; struct mcx_cmd_destroy_flow_table_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mb), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_FLOW_TABLE); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate destroy flow table mailbox\n", DEVNAME(sc)); return (-1); } mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mb->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mb->cmd_table_id = htobe32(sc->sc_flow_table_id); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy flow table timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy flow table command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy flow table failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_flow_table_id = -1; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_create_flow_group(struct mcx_softc *sc, int group, int start, int size, int match_enable, struct mcx_flow_match *match) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_create_flow_group_in *in; struct mcx_cmd_create_flow_group_mb_in *mbin; struct mcx_cmd_create_flow_group_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_CREATE_FLOW_GROUP); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate create flow group mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mbin->cmd_start_flow_index = htobe32(start); mbin->cmd_end_flow_index = htobe32(start + (size - 1)); mbin->cmd_match_criteria_enable = match_enable; memcpy(&mbin->cmd_match_criteria, match, sizeof(*match)); mcx_cmdq_mboxes_sign(&mxm, 2); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: create flow group timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: create flow group command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: create flow group failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_flow_group_id[group] = mcx_get_id(out->cmd_group_id); sc->sc_flow_group_size[group] = size; sc->sc_flow_group_start[group] = start; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_destroy_flow_group(struct mcx_softc *sc, int group) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_destroy_flow_group_in *in; struct mcx_cmd_destroy_flow_group_mb_in *mb; struct mcx_cmd_destroy_flow_group_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mb), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DESTROY_FLOW_GROUP); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate destroy flow group mailbox\n", DEVNAME(sc)); return (-1); } mb = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mb->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mb->cmd_table_id = htobe32(sc->sc_flow_table_id); mb->cmd_group_id = htobe32(sc->sc_flow_group_id[group]); mcx_cmdq_mboxes_sign(&mxm, 2); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: destroy flow group timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: destroy flow group command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: destroy flow group failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } sc->sc_flow_group_id[group] = -1; sc->sc_flow_group_size[group] = 0; free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_set_flow_table_entry(struct mcx_softc *sc, int group, int index, const uint8_t *macaddr) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_set_flow_table_entry_in *in; struct mcx_cmd_set_flow_table_entry_mb_in *mbin; struct mcx_cmd_set_flow_table_entry_out *out; uint32_t *dest; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin) + sizeof(*dest), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_SET_FLOW_TABLE_ENTRY); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate set flow table entry mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mbin->cmd_flow_index = htobe32(sc->sc_flow_group_start[group] + index); mbin->cmd_flow_ctx.fc_group_id = htobe32(sc->sc_flow_group_id[group]); /* flow context ends at offset 0x330, 0x130 into the second mbox */ dest = (uint32_t *) (((char *)mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 1))) + 0x130); mbin->cmd_flow_ctx.fc_action = htobe32(MCX_FLOW_CONTEXT_ACTION_FORWARD); mbin->cmd_flow_ctx.fc_dest_list_size = htobe32(1); *dest = htobe32(sc->sc_tirn | MCX_FLOW_CONTEXT_DEST_TYPE_TIR); /* the only thing we match on at the moment is the dest mac address */ if (macaddr != NULL) { memcpy(mbin->cmd_flow_ctx.fc_match_value.mc_dest_mac, macaddr, ETHER_ADDR_LEN); } mcx_cmdq_mboxes_sign(&mxm, 2); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: set flow table entry timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: set flow table entry command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: set flow table entry failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_delete_flow_table_entry(struct mcx_softc *sc, int group, int index) { struct mcx_cmdq_entry *cqe; struct mcx_dmamem mxm; struct mcx_cmd_delete_flow_table_entry_in *in; struct mcx_cmd_delete_flow_table_entry_mb_in *mbin; struct mcx_cmd_delete_flow_table_entry_out *out; int error; int token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_DELETE_FLOW_TABLE_ENTRY); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_input_ptr, token) != 0) { printf("%s: unable to allocate delete flow table entry mailbox\n", DEVNAME(sc)); return (-1); } mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = MCX_FLOW_TABLE_TYPE_RX; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mbin->cmd_flow_index = htobe32(sc->sc_flow_group_start[group] + index); mcx_cmdq_mboxes_sign(&mxm, 2); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: delete flow table entry timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: delete flow table entry command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: delete flow table entry %d:%d failed (%x, %x)\n", DEVNAME(sc), group, index, out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } free: mcx_dmamem_free(sc, &mxm); return (error); } #if 0 int mcx_dump_flow_table(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_flow_table_in *in; struct mcx_cmd_query_flow_table_mb_in *mbin; struct mcx_cmd_query_flow_table_out *out; struct mcx_cmd_query_flow_table_mb_out *mbout; uint8_t token = mcx_cmdq_token(sc); int error; int i; uint8_t *dump; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) + sizeof(*mbout) + 16, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_TABLE); in->cmd_op_mod = htobe16(0); CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE); CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query flow table mailboxes\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = 0; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query flow table timeout\n", DEVNAME(sc)); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: query flow table reply corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); switch (out->cmd_status) { case MCX_CQ_STATUS_OK: break; default: printf("%s: query flow table failed (%x/%x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } mbout = (struct mcx_cmd_query_flow_table_mb_out *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); dump = (uint8_t *)mbout + 8; for (i = 0; i < sizeof(struct mcx_flow_table_ctx); i++) { printf("%.2x ", dump[i]); if (i % 16 == 15) printf("\n"); } free: mcx_cq_mboxes_free(sc, &mxm); return (error); } int mcx_dump_flow_table_entry(struct mcx_softc *sc, int index) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_flow_table_entry_in *in; struct mcx_cmd_query_flow_table_entry_mb_in *mbin; struct mcx_cmd_query_flow_table_entry_out *out; struct mcx_cmd_query_flow_table_entry_mb_out *mbout; uint8_t token = mcx_cmdq_token(sc); int error; int i; uint8_t *dump; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) + sizeof(*mbout) + 16, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_TABLE_ENTRY); in->cmd_op_mod = htobe16(0); CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE); CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query flow table entry mailboxes\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = 0; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mbin->cmd_flow_index = htobe32(index); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query flow table entry timeout\n", DEVNAME(sc)); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: query flow table entry reply corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); switch (out->cmd_status) { case MCX_CQ_STATUS_OK: break; default: printf("%s: query flow table entry failed (%x/%x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } mbout = (struct mcx_cmd_query_flow_table_entry_mb_out *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); dump = (uint8_t *)mbout; for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) { printf("%.2x ", dump[i]); if (i % 16 == 15) printf("\n"); } free: mcx_cq_mboxes_free(sc, &mxm); return (error); } int mcx_dump_flow_group(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_flow_group_in *in; struct mcx_cmd_query_flow_group_mb_in *mbin; struct mcx_cmd_query_flow_group_out *out; struct mcx_cmd_query_flow_group_mb_out *mbout; uint8_t token = mcx_cmdq_token(sc); int error; int i; uint8_t *dump; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) + sizeof(*mbout) + 16, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_GROUP); in->cmd_op_mod = htobe16(0); CTASSERT(sizeof(*mbin) <= MCX_CMDQ_MAILBOX_DATASIZE); CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query flow group mailboxes\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_table_type = 0; mbin->cmd_table_id = htobe32(sc->sc_flow_table_id); mbin->cmd_group_id = htobe32(sc->sc_flow_group_id); mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query flow group timeout\n", DEVNAME(sc)); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: query flow group reply corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); switch (out->cmd_status) { case MCX_CQ_STATUS_OK: break; default: printf("%s: query flow group failed (%x/%x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } mbout = (struct mcx_cmd_query_flow_group_mb_out *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); dump = (uint8_t *)mbout; for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) { printf("%.2x ", dump[i]); if (i % 16 == 15) printf("\n"); } dump = (uint8_t *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 1))); for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) { printf("%.2x ", dump[i]); if (i % 16 == 15) printf("\n"); } free: mcx_cq_mboxes_free(sc, &mxm); return (error); } int mcx_dump_rq(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_rq_in *in; struct mcx_cmd_query_rq_out *out; struct mcx_cmd_query_rq_mb_out *mbout; uint8_t token = mcx_cmdq_token(sc); int error; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mbout) + 16, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_RQ); in->cmd_op_mod = htobe16(0); in->cmd_rqn = htobe32(sc->sc_rqn); CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query flow group mailboxes\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query rq timeout\n", DEVNAME(sc)); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: query rq reply corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); switch (out->cmd_status) { case MCX_CQ_STATUS_OK: break; default: printf("%s: query rq failed (%x/%x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } mbout = (struct mcx_cmd_query_rq_mb_out *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); printf("%s: rq: state %d, ui %d, cqn %d, s/s %d/%d/%d, hw %d, sw %d\n", DEVNAME(sc), (be32toh(mbout->cmd_ctx.rq_flags) >> MCX_RQ_CTX_STATE_SHIFT) & 0x0f, be32toh(mbout->cmd_ctx.rq_user_index), be32toh(mbout->cmd_ctx.rq_cqn), be16toh(mbout->cmd_ctx.rq_wq.wq_log_stride), mbout->cmd_ctx.rq_wq.wq_log_page_sz, mbout->cmd_ctx.rq_wq.wq_log_size, be32toh(mbout->cmd_ctx.rq_wq.wq_hw_counter), be32toh(mbout->cmd_ctx.rq_wq.wq_sw_counter)); free: mcx_cq_mboxes_free(sc, &mxm); return (error); } int mcx_dump_sq(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_sq_in *in; struct mcx_cmd_query_sq_out *out; struct mcx_cmd_query_sq_mb_out *mbout; uint8_t token = mcx_cmdq_token(sc); int error; int i; uint8_t *dump; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); mcx_cmdq_init(sc, cqe, sizeof(*in), sizeof(*out) + sizeof(*mbout) + 16, token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_SQ); in->cmd_op_mod = htobe16(0); in->cmd_sqn = htobe32(sc->sc_sqn); CTASSERT(sizeof(*mbout) <= MCX_CMDQ_MAILBOX_DATASIZE*2); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 2, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query sq mailboxes\n"); return (-1); } mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query sq timeout\n", DEVNAME(sc)); goto free; } error = mcx_cmdq_verify(cqe); if (error != 0) { printf("%s: query sq reply corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); switch (out->cmd_status) { case MCX_CQ_STATUS_OK: break; default: printf("%s: query sq failed (%x/%x)\n", DEVNAME(sc), out->cmd_status, be32toh(out->cmd_syndrome)); error = -1; goto free; } mbout = (struct mcx_cmd_query_sq_mb_out *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); /* printf("%s: rq: state %d, ui %d, cqn %d, s/s %d/%d/%d, hw %d, sw %d\n", DEVNAME(sc), (be32toh(mbout->cmd_ctx.rq_flags) >> MCX_RQ_CTX_STATE_SHIFT) & 0x0f, be32toh(mbout->cmd_ctx.rq_user_index), be32toh(mbout->cmd_ctx.rq_cqn), be16toh(mbout->cmd_ctx.rq_wq.wq_log_stride), mbout->cmd_ctx.rq_wq.wq_log_page_sz, mbout->cmd_ctx.rq_wq.wq_log_size, be32toh(mbout->cmd_ctx.rq_wq.wq_hw_counter), be32toh(mbout->cmd_ctx.rq_wq.wq_sw_counter)); */ dump = (uint8_t *)mbout; for (i = 0; i < MCX_CMDQ_MAILBOX_DATASIZE; i++) { printf("%.2x ", dump[i]); if (i % 16 == 15) printf("\n"); } free: mcx_cq_mboxes_free(sc, &mxm); return (error); } static int mcx_dump_counters(struct mcx_softc *sc) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_vport_counters_in *in; struct mcx_cmd_query_vport_counters_mb_in *mbin; struct mcx_cmd_query_vport_counters_out *out; struct mcx_nic_vport_counters *counters; int error, token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) + sizeof(*counters), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_VPORT_COUNTERS); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query nic vport counters mailboxen\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_clear = 0x80; mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query nic vport counters timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: query nic vport counters command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: query nic vport counters failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, out->cmd_syndrome); error = -1; goto free; } counters = (struct mcx_nic_vport_counters *) (mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); if (counters->rx_bcast.packets + counters->tx_bcast.packets + counters->rx_ucast.packets + counters->tx_ucast.packets + counters->rx_err.packets + counters->tx_err.packets) printf("%s: err %llx/%llx uc %llx/%llx bc %llx/%llx\n", DEVNAME(sc), be64toh(counters->tx_err.packets), be64toh(counters->rx_err.packets), be64toh(counters->tx_ucast.packets), be64toh(counters->rx_ucast.packets), be64toh(counters->tx_bcast.packets), be64toh(counters->rx_bcast.packets)); free: mcx_dmamem_free(sc, &mxm); return (error); } static int mcx_dump_flow_counter(struct mcx_softc *sc, int index, const char *what) { struct mcx_dmamem mxm; struct mcx_cmdq_entry *cqe; struct mcx_cmd_query_flow_counter_in *in; struct mcx_cmd_query_flow_counter_mb_in *mbin; struct mcx_cmd_query_flow_counter_out *out; struct mcx_counter *counters; int error, token; cqe = MCX_DMA_KVA(&sc->sc_cmdq_mem); token = mcx_cmdq_token(sc); mcx_cmdq_init(sc, cqe, sizeof(*in) + sizeof(*mbin), sizeof(*out) + sizeof(*counters), token); in = mcx_cmdq_in(cqe); in->cmd_opcode = htobe16(MCX_CMD_QUERY_FLOW_COUNTER); in->cmd_op_mod = htobe16(0); if (mcx_cmdq_mboxes_alloc(sc, &mxm, 1, &cqe->cq_output_ptr, token) != 0) { printf(", unable to allocate query flow counter mailboxen\n"); return (-1); } cqe->cq_input_ptr = cqe->cq_output_ptr; mbin = mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0)); mbin->cmd_flow_counter_id = htobe16(sc->sc_flow_counter_id[index]); mbin->cmd_clear = 0x80; mcx_cmdq_mboxes_sign(&mxm, 1); mcx_cmdq_post(sc, cqe, 0); error = mcx_cmdq_poll(sc, cqe, 1000); if (error != 0) { printf("%s: query flow counter timeout\n", DEVNAME(sc)); goto free; } if (mcx_cmdq_verify(cqe) != 0) { printf("%s: query flow counter command corrupt\n", DEVNAME(sc)); goto free; } out = mcx_cmdq_out(cqe); if (out->cmd_status != MCX_CQ_STATUS_OK) { printf("%s: query flow counter failed (%x, %x)\n", DEVNAME(sc), out->cmd_status, out->cmd_syndrome); error = -1; goto free; } counters = (struct mcx_counter *)(mcx_cq_mbox_data(mcx_cq_mbox(&mxm, 0))); if (counters->packets) printf("%s: %s inflow %llx\n", DEVNAME(sc), what, be64toh(counters->packets)); free: mcx_dmamem_free(sc, &mxm); return (error); } #endif static int mcx_rx_fill_slots(struct mcx_softc *sc, void *ring, struct mcx_slot *slots, uint *prod, int bufsize, uint nslots) { struct mcx_rq_entry *rqe; struct mcx_slot *ms; struct mbuf *m; uint slot, p, fills; p = *prod; slot = (p % (1 << MCX_LOG_RQ_SIZE)); rqe = ring; for (fills = 0; fills < nslots; fills++) { ms = &slots[slot]; #if 0 m = MCLGETI(NULL, M_DONTWAIT, NULL, bufsize + ETHER_ALIGN); if (m == NULL) break; #else m = NULL; MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) break; MCLGET(m, M_DONTWAIT); if ((m->m_flags & M_EXT) == 0) { m_freem(m); break; } #endif m->m_data += ETHER_ALIGN; m->m_len = m->m_pkthdr.len = m->m_ext.ext_size - ETHER_ALIGN; if (bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m, BUS_DMA_NOWAIT) != 0) { m_freem(m); break; } bus_dmamap_sync(sc->sc_dmat, ms->ms_map, 0, ms->ms_map->dm_mapsize, BUS_DMASYNC_PREREAD); ms->ms_m = m; rqe[slot].rqe_byte_count = htobe32(m->m_len); rqe[slot].rqe_addr = htobe64(ms->ms_map->dm_segs[0].ds_addr); rqe[slot].rqe_lkey = htobe32(sc->sc_lkey); p++; slot++; if (slot == (1 << MCX_LOG_RQ_SIZE)) slot = 0; } if (fills != 0) { *sc->sc_rx_doorbell = htobe32(p & MCX_WQ_DOORBELL_MASK); /* barrier? */ } *prod = p; return (nslots - fills); } static int mcx_rx_fill(struct mcx_softc *sc) { u_int slots; slots = mcx_rxr_get(&sc->sc_rxr, (1 << MCX_LOG_RQ_SIZE)); if (slots == 0) return (1); slots = mcx_rx_fill_slots(sc, MCX_DMA_KVA(&sc->sc_rq_mem), sc->sc_rx_slots, &sc->sc_rx_prod, sc->sc_hardmtu, slots); mcx_rxr_put(&sc->sc_rxr, slots); return (0); } void mcx_refill(void *xsc) { struct mcx_softc *sc = xsc; mcx_rx_fill(sc); if (mcx_rxr_inuse(&sc->sc_rxr) == 0) callout_schedule(&sc->sc_rx_refill, 1); } void mcx_process_txeof(struct mcx_softc *sc, struct mcx_cq_entry *cqe, int *txfree) { struct mcx_slot *ms; bus_dmamap_t map; int slot, slots; slot = be16toh(cqe->cq_wqe_count) % (1 << MCX_LOG_SQ_SIZE); ms = &sc->sc_tx_slots[slot]; map = ms->ms_map; bus_dmamap_sync(sc->sc_dmat, map, 0, map->dm_mapsize, BUS_DMASYNC_POSTWRITE); slots = 1; if (map->dm_nsegs > 1) slots += (map->dm_nsegs+2) / MCX_SQ_SEGS_PER_SLOT; (*txfree) += slots; bus_dmamap_unload(sc->sc_dmat, map); m_freem(ms->ms_m); ms->ms_m = NULL; } static uint64_t mcx_uptime(void) { struct timespec ts; nanouptime(&ts); return ((uint64_t)ts.tv_sec * 1000000000 + (uint64_t)ts.tv_nsec); } static void mcx_calibrate_first(struct mcx_softc *sc) { struct mcx_calibration *c = &sc->sc_calibration[0]; sc->sc_calibration_gen = 0; c->c_ubase = mcx_uptime(); c->c_tbase = mcx_timer(sc); c->c_tdiff = 0; callout_schedule(&sc->sc_calibrate, MCX_CALIBRATE_FIRST * hz); } #define MCX_TIMESTAMP_SHIFT 10 static void mcx_calibrate(void *arg) { struct mcx_softc *sc = arg; struct mcx_calibration *nc, *pc; unsigned int gen; if (!ISSET(sc->sc_ec.ec_if.if_flags, IFF_RUNNING)) return; callout_schedule(&sc->sc_calibrate, MCX_CALIBRATE_NORMAL * hz); gen = sc->sc_calibration_gen; pc = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)]; gen++; nc = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)]; nc->c_uptime = pc->c_ubase; nc->c_timestamp = pc->c_tbase; nc->c_ubase = mcx_uptime(); nc->c_tbase = mcx_timer(sc); nc->c_udiff = (nc->c_ubase - nc->c_uptime) >> MCX_TIMESTAMP_SHIFT; nc->c_tdiff = (nc->c_tbase - nc->c_timestamp) >> MCX_TIMESTAMP_SHIFT; membar_producer(); sc->sc_calibration_gen = gen; } static int mcx_process_rx(struct mcx_softc *sc, struct mcx_cq_entry *cqe, struct mcx_mbufq *mq, const struct mcx_calibration *c) { struct mcx_slot *ms; struct mbuf *m; int slot; slot = be16toh(cqe->cq_wqe_count) % (1 << MCX_LOG_RQ_SIZE); ms = &sc->sc_rx_slots[slot]; bus_dmamap_sync(sc->sc_dmat, ms->ms_map, 0, ms->ms_map->dm_mapsize, BUS_DMASYNC_POSTREAD); bus_dmamap_unload(sc->sc_dmat, ms->ms_map); m = ms->ms_m; ms->ms_m = NULL; m_set_rcvif(m, &sc->sc_ec.ec_if); m->m_pkthdr.len = m->m_len = be32dec(&cqe->cq_byte_cnt); #if 0 if (cqe->cq_rx_hash_type) { m->m_pkthdr.ph_flowid = M_FLOWID_VALID | be32toh(cqe->cq_rx_hash); } #endif #if 0 if (c->c_tdiff) { uint64_t t = be64dec(&cqe->cq_timestamp) - c->c_timestamp; t *= c->c_udiff; t /= c->c_tdiff; m->m_pkthdr.ph_timestamp = c->c_uptime + t; SET(m->m_pkthdr.csum_flags, M_TIMESTAMP); } #endif MBUFQ_ENQUEUE(mq, m); return (1); } static struct mcx_cq_entry * mcx_next_cq_entry(struct mcx_softc *sc, struct mcx_cq *cq) { struct mcx_cq_entry *cqe; int next; cqe = (struct mcx_cq_entry *)MCX_DMA_KVA(&cq->cq_mem); next = cq->cq_cons % (1 << MCX_LOG_CQ_SIZE); if ((cqe[next].cq_opcode_owner & MCX_CQ_ENTRY_FLAG_OWNER) == ((cq->cq_cons >> MCX_LOG_CQ_SIZE) & 1)) { return (&cqe[next]); } return (NULL); } static void mcx_arm_cq(struct mcx_softc *sc, struct mcx_cq *cq) { bus_size_t offset; uint32_t val; uint64_t uval; /* different uar per cq? */ offset = (MCX_PAGE_SIZE * sc->sc_uar); val = ((cq->cq_count) & 3) << MCX_CQ_DOORBELL_ARM_CMD_SN_SHIFT; val |= (cq->cq_cons & MCX_CQ_DOORBELL_ARM_CI_MASK); cq->cq_doorbell[0] = htobe32(cq->cq_cons & MCX_CQ_DOORBELL_ARM_CI_MASK); cq->cq_doorbell[1] = htobe32(val); uval = val; uval <<= 32; uval |= cq->cq_n; bus_space_write_8(sc->sc_memt, sc->sc_memh, offset + MCX_UAR_CQ_DOORBELL, htobe64(uval)); mcx_bar(sc, offset + MCX_UAR_CQ_DOORBELL, sizeof(uint64_t), BUS_SPACE_BARRIER_WRITE); } void mcx_process_cq(struct mcx_softc *sc, struct mcx_cq *cq) { struct ifnet *ifp = &sc->sc_ec.ec_if; const struct mcx_calibration *c; unsigned int gen; struct mcx_cq_entry *cqe; struct mcx_mbufq mq; struct mbuf *m; int rxfree, txfree; MBUFQ_INIT(&mq); gen = sc->sc_calibration_gen; membar_consumer(); c = &sc->sc_calibration[gen % __arraycount(sc->sc_calibration)]; rxfree = 0; txfree = 0; while ((cqe = mcx_next_cq_entry(sc, cq))) { uint8_t opcode; opcode = (cqe->cq_opcode_owner >> MCX_CQ_ENTRY_OPCODE_SHIFT); switch (opcode) { case MCX_CQ_ENTRY_OPCODE_REQ: mcx_process_txeof(sc, cqe, &txfree); break; case MCX_CQ_ENTRY_OPCODE_SEND: rxfree += mcx_process_rx(sc, cqe, &mq, c); break; case MCX_CQ_ENTRY_OPCODE_REQ_ERR: case MCX_CQ_ENTRY_OPCODE_SEND_ERR: /* uint8_t *cqp = (uint8_t *)cqe; */ /* printf("%s: cq completion error: %x\n", DEVNAME(sc), cqp[0x37]); */ break; default: /* printf("%s: cq completion opcode %x??\n", DEVNAME(sc), opcode); */ break; } cq->cq_cons++; } cq->cq_count++; mcx_arm_cq(sc, cq); if (rxfree > 0) { mcx_rxr_put(&sc->sc_rxr, rxfree); while (MBUFQ_FIRST(&mq) != NULL) { MBUFQ_DEQUEUE(&mq, m); if_percpuq_enqueue(ifp->if_percpuq, m); } mcx_rx_fill(sc); if (mcx_rxr_inuse(&sc->sc_rxr) == 0) callout_schedule(&sc->sc_rx_refill, 1); } if (txfree > 0) { sc->sc_tx_cons += txfree; if_schedule_deferred_start(ifp); } } static void mcx_arm_eq(struct mcx_softc *sc) { bus_size_t offset; uint32_t val; offset = (MCX_PAGE_SIZE * sc->sc_uar) + MCX_UAR_EQ_DOORBELL_ARM; val = (sc->sc_eqn << 24) | (sc->sc_eq_cons & 0xffffff); mcx_wr(sc, offset, val); /* barrier? */ } static struct mcx_eq_entry * mcx_next_eq_entry(struct mcx_softc *sc) { struct mcx_eq_entry *eqe; int next; eqe = (struct mcx_eq_entry *)MCX_DMA_KVA(&sc->sc_eq_mem); next = sc->sc_eq_cons % (1 << MCX_LOG_EQ_SIZE); if ((eqe[next].eq_owner & 1) == ((sc->sc_eq_cons >> MCX_LOG_EQ_SIZE) & 1)) { sc->sc_eq_cons++; return (&eqe[next]); } return (NULL); } int mcx_intr(void *xsc) { struct mcx_softc *sc = (struct mcx_softc *)xsc; struct mcx_eq_entry *eqe; int i, cq; while ((eqe = mcx_next_eq_entry(sc))) { switch (eqe->eq_event_type) { case MCX_EVENT_TYPE_COMPLETION: cq = be32toh(eqe->eq_event_data[6]); for (i = 0; i < sc->sc_num_cq; i++) { if (sc->sc_cq[i].cq_n == cq) { mcx_process_cq(sc, &sc->sc_cq[i]); break; } } break; case MCX_EVENT_TYPE_LAST_WQE: /* printf("%s: last wqe reached?\n", DEVNAME(sc)); */ break; case MCX_EVENT_TYPE_CQ_ERROR: /* printf("%s: cq error\n", DEVNAME(sc)); */ break; case MCX_EVENT_TYPE_CMD_COMPLETION: /* wakeup probably */ break; case MCX_EVENT_TYPE_PORT_CHANGE: workqueue_enqueue(sc->sc_workq, &sc->sc_port_change, NULL); break; default: /* printf("%s: something happened\n", DEVNAME(sc)); */ break; } } mcx_arm_eq(sc); return (1); } static void mcx_free_slots(struct mcx_softc *sc, struct mcx_slot *slots, int allocated, int total) { struct mcx_slot *ms; int i = allocated; while (i-- > 0) { ms = &slots[i]; bus_dmamap_destroy(sc->sc_dmat, ms->ms_map); if (ms->ms_m != NULL) m_freem(ms->ms_m); } kmem_free(slots, total * sizeof(*ms)); } static int mcx_init(struct ifnet *ifp) { struct mcx_softc *sc = ifp->if_softc; struct mcx_slot *ms; int i, start; struct mcx_flow_match match_crit; if (ISSET(ifp->if_flags, IFF_RUNNING)) mcx_stop(ifp, 0); sc->sc_rx_slots = kmem_zalloc(sizeof(*ms) * (1 << MCX_LOG_RQ_SIZE), KM_SLEEP); for (i = 0; i < (1 << MCX_LOG_RQ_SIZE); i++) { ms = &sc->sc_rx_slots[i]; if (bus_dmamap_create(sc->sc_dmat, sc->sc_hardmtu, 1, sc->sc_hardmtu, 0, BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, &ms->ms_map) != 0) { printf("%s: failed to allocate rx dma maps\n", DEVNAME(sc)); goto destroy_rx_slots; } } sc->sc_tx_slots = kmem_zalloc(sizeof(*ms) * (1 << MCX_LOG_SQ_SIZE), KM_SLEEP); for (i = 0; i < (1 << MCX_LOG_SQ_SIZE); i++) { ms = &sc->sc_tx_slots[i]; if (bus_dmamap_create(sc->sc_dmat, sc->sc_hardmtu, MCX_SQ_MAX_SEGMENTS, sc->sc_hardmtu, 0, BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, &ms->ms_map) != 0) { printf("%s: failed to allocate tx dma maps\n", DEVNAME(sc)); goto destroy_tx_slots; } } if (mcx_create_cq(sc, sc->sc_eqn) != 0) goto down; /* send queue */ if (mcx_create_tis(sc) != 0) goto down; if (mcx_create_sq(sc, sc->sc_cq[0].cq_n) != 0) goto down; /* receive queue */ if (mcx_create_rq(sc, sc->sc_cq[0].cq_n) != 0) goto down; if (mcx_create_tir(sc) != 0) goto down; if (mcx_create_flow_table(sc, MCX_LOG_FLOW_TABLE_SIZE) != 0) goto down; /* promisc flow group */ start = 0; memset(&match_crit, 0, sizeof(match_crit)); if (mcx_create_flow_group(sc, MCX_FLOW_GROUP_PROMISC, start, 1, 0, &match_crit) != 0) goto down; sc->sc_promisc_flow_enabled = 0; start++; /* all multicast flow group */ match_crit.mc_dest_mac[0] = 0x01; if (mcx_create_flow_group(sc, MCX_FLOW_GROUP_ALLMULTI, start, 1, MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0) goto down; sc->sc_allmulti_flow_enabled = 0; start++; /* mac address matching flow group */ memset(&match_crit.mc_dest_mac, 0xff, sizeof(match_crit.mc_dest_mac)); if (mcx_create_flow_group(sc, MCX_FLOW_GROUP_MAC, start, (1 << MCX_LOG_FLOW_TABLE_SIZE) - start, MCX_CREATE_FLOW_GROUP_CRIT_OUTER, &match_crit) != 0) goto down; /* flow table entries for unicast and broadcast */ start = 0; if (mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, start, LLADDR(satosdl(ifp->if_dl->ifa_addr))) != 0) goto down; start++; if (mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, start, etherbroadcastaddr) != 0) goto down; start++; /* multicast entries go after that */ sc->sc_mcast_flow_base = start; /* re-add any existing multicast flows */ for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) { if (sc->sc_mcast_flows[i][0] != 0) { mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, sc->sc_mcast_flow_base + i, sc->sc_mcast_flows[i]); } } if (mcx_set_flow_table_root(sc) != 0) goto down; /* start the queues */ if (mcx_ready_sq(sc) != 0) goto down; if (mcx_ready_rq(sc) != 0) goto down; mcx_rxr_init(&sc->sc_rxr, 1, (1 << MCX_LOG_RQ_SIZE)); sc->sc_rx_prod = 0; mcx_rx_fill(sc); mcx_calibrate_first(sc); SET(ifp->if_flags, IFF_RUNNING); sc->sc_tx_cons = 0; sc->sc_tx_prod = 0; CLR(ifp->if_flags, IFF_OACTIVE); if_schedule_deferred_start(ifp); return 0; destroy_tx_slots: mcx_free_slots(sc, sc->sc_tx_slots, i, (1 << MCX_LOG_SQ_SIZE)); sc->sc_tx_slots = NULL; i = (1 << MCX_LOG_RQ_SIZE); destroy_rx_slots: mcx_free_slots(sc, sc->sc_rx_slots, i, (1 << MCX_LOG_RQ_SIZE)); sc->sc_rx_slots = NULL; down: mcx_stop(ifp, 0); return EIO; } static void mcx_stop(struct ifnet *ifp, int disable) { struct mcx_softc *sc = ifp->if_softc; int group, i; CLR(ifp->if_flags, IFF_RUNNING); /* * delete flow table entries first, so no packets can arrive * after the barriers */ if (sc->sc_promisc_flow_enabled) mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_PROMISC, 0); if (sc->sc_allmulti_flow_enabled) mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_ALLMULTI, 0); mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, 0); mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, 1); for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) { if (sc->sc_mcast_flows[i][0] != 0) { mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, sc->sc_mcast_flow_base + i); } } callout_halt(&sc->sc_calibrate, NULL); for (group = 0; group < MCX_NUM_FLOW_GROUPS; group++) { if (sc->sc_flow_group_id[group] != -1) mcx_destroy_flow_group(sc, sc->sc_flow_group_id[group]); } if (sc->sc_flow_table_id != -1) mcx_destroy_flow_table(sc); if (sc->sc_tirn != 0) mcx_destroy_tir(sc); if (sc->sc_rqn != 0) mcx_destroy_rq(sc); if (sc->sc_sqn != 0) mcx_destroy_sq(sc); if (sc->sc_tisn != 0) mcx_destroy_tis(sc); for (i = 0; i < sc->sc_num_cq; i++) mcx_destroy_cq(sc, i); sc->sc_num_cq = 0; if (sc->sc_tx_slots != NULL) { mcx_free_slots(sc, sc->sc_tx_slots, (1 << MCX_LOG_SQ_SIZE), (1 << MCX_LOG_SQ_SIZE)); sc->sc_tx_slots = NULL; } if (sc->sc_rx_slots != NULL) { mcx_free_slots(sc, sc->sc_rx_slots, (1 << MCX_LOG_RQ_SIZE), (1 << MCX_LOG_RQ_SIZE)); sc->sc_rx_slots = NULL; } } static int mcx_ioctl(struct ifnet *ifp, u_long cmd, void *data) { struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc; struct ifreq *ifr = (struct ifreq *)data; struct ethercom *ec = &sc->sc_ec; uint8_t addrhi[ETHER_ADDR_LEN], addrlo[ETHER_ADDR_LEN]; struct ether_multi *enm; struct ether_multistep step; int s, i, flags, error = 0; s = splnet(); switch (cmd) { case SIOCADDMULTI: if (ether_addmulti(ifreq_getaddr(cmd, ifr), &sc->sc_ec) == ENETRESET) { error = ether_multiaddr(&ifr->ifr_addr, addrlo, addrhi); if (error != 0) { splx(s); return (error); } for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) { if (sc->sc_mcast_flows[i][0] == 0) { memcpy(sc->sc_mcast_flows[i], addrlo, ETHER_ADDR_LEN); if (ISSET(ifp->if_flags, IFF_RUNNING)) { mcx_set_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, sc->sc_mcast_flow_base + i, sc->sc_mcast_flows[i]); } break; } } if (!ISSET(ifp->if_flags, IFF_ALLMULTI)) { if (i == MCX_NUM_MCAST_FLOWS) { SET(ifp->if_flags, IFF_ALLMULTI); sc->sc_extra_mcast++; error = ENETRESET; } if (memcmp(addrlo, addrhi, ETHER_ADDR_LEN)) { SET(ifp->if_flags, IFF_ALLMULTI); error = ENETRESET; } } } break; case SIOCDELMULTI: if (ether_delmulti(ifreq_getaddr(cmd, ifr), &sc->sc_ec) == ENETRESET) { error = ether_multiaddr(&ifr->ifr_addr, addrlo, addrhi); if (error != 0) { splx(s); return (error); } for (i = 0; i < MCX_NUM_MCAST_FLOWS; i++) { if (memcmp(sc->sc_mcast_flows[i], addrlo, ETHER_ADDR_LEN) == 0) { if (ISSET(ifp->if_flags, IFF_RUNNING)) { mcx_delete_flow_table_entry(sc, MCX_FLOW_GROUP_MAC, sc->sc_mcast_flow_base + i); } sc->sc_mcast_flows[i][0] = 0; break; } } if (i == MCX_NUM_MCAST_FLOWS) sc->sc_extra_mcast--; if (ISSET(ifp->if_flags, IFF_ALLMULTI) && sc->sc_extra_mcast == 0) { flags = 0; ETHER_LOCK(ec); ETHER_FIRST_MULTI(step, ec, enm); while (enm != NULL) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { SET(flags, IFF_ALLMULTI); break; } ETHER_NEXT_MULTI(step, enm); } ETHER_UNLOCK(ec); if (!ISSET(flags, IFF_ALLMULTI)) { CLR(ifp->if_flags, IFF_ALLMULTI); error = ENETRESET; } } } break; default: error = ether_ioctl(ifp, cmd, data); } if (error == ENETRESET) { if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) mcx_iff(sc); error = 0; } splx(s); return (error); } #if 0 static int mcx_get_sffpage(struct ifnet *ifp, struct if_sffpage *sff) { struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc; struct mcx_reg_mcia mcia; struct mcx_reg_pmlp pmlp; int offset, error; /* get module number */ memset(&pmlp, 0, sizeof(pmlp)); pmlp.rp_local_port = 1; error = mcx_access_hca_reg(sc, MCX_REG_PMLP, MCX_REG_OP_READ, &pmlp, sizeof(pmlp)); if (error != 0) { printf("%s: unable to get eeprom module number\n", DEVNAME(sc)); return error; } for (offset = 0; offset < 256; offset += MCX_MCIA_EEPROM_BYTES) { memset(&mcia, 0, sizeof(mcia)); mcia.rm_l = 0; mcia.rm_module = be32toh(pmlp.rp_lane0_mapping) & MCX_PMLP_MODULE_NUM_MASK; mcia.rm_i2c_addr = sff->sff_addr / 2; /* apparently */ mcia.rm_page_num = sff->sff_page; mcia.rm_dev_addr = htobe16(offset); mcia.rm_size = htobe16(MCX_MCIA_EEPROM_BYTES); error = mcx_access_hca_reg(sc, MCX_REG_MCIA, MCX_REG_OP_READ, &mcia, sizeof(mcia)); if (error != 0) { printf("%s: unable to read eeprom at %x\n", DEVNAME(sc), offset); return error; } memcpy(sff->sff_data + offset, mcia.rm_data, MCX_MCIA_EEPROM_BYTES); } return 0; } #endif static int mcx_load_mbuf(struct mcx_softc *sc, struct mcx_slot *ms, struct mbuf *m) { switch (bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m, BUS_DMA_STREAMING | BUS_DMA_NOWAIT)) { case 0: break; case EFBIG: if (m_defrag(m, M_DONTWAIT) != NULL && bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m, BUS_DMA_STREAMING | BUS_DMA_NOWAIT) == 0) break; /* FALLTHROUGH */ default: return (1); } ms->ms_m = m; return (0); } static void mcx_start(struct ifnet *ifp) { struct mcx_softc *sc = ifp->if_softc; struct mcx_sq_entry *sq, *sqe; struct mcx_sq_entry_seg *sqs; struct mcx_slot *ms; bus_dmamap_t map; struct mbuf *m; u_int idx, free, used; uint64_t *bf; size_t bf_base; int i, seg, nseg; bf_base = (sc->sc_uar * MCX_PAGE_SIZE) + MCX_UAR_BF; idx = sc->sc_tx_prod % (1 << MCX_LOG_SQ_SIZE); free = (sc->sc_tx_cons + (1 << MCX_LOG_SQ_SIZE)) - sc->sc_tx_prod; used = 0; bf = NULL; sq = (struct mcx_sq_entry *)MCX_DMA_KVA(&sc->sc_sq_mem); for (;;) { if (used + MCX_SQ_ENTRY_MAX_SLOTS >= free) { SET(ifp->if_flags, IFF_OACTIVE); break; } IFQ_DEQUEUE(&ifp->if_snd, m); if (m == NULL) { break; } sqe = sq + idx; ms = &sc->sc_tx_slots[idx]; memset(sqe, 0, sizeof(*sqe)); /* ctrl segment */ sqe->sqe_opcode_index = htobe32(MCX_SQE_WQE_OPCODE_SEND | ((sc->sc_tx_prod & 0xffff) << MCX_SQE_WQE_INDEX_SHIFT)); /* always generate a completion event */ sqe->sqe_signature = htobe32(MCX_SQE_CE_CQE_ALWAYS); /* eth segment */ sqe->sqe_inline_header_size = htobe16(MCX_SQ_INLINE_SIZE); m_copydata(m, 0, MCX_SQ_INLINE_SIZE, sqe->sqe_inline_headers); m_adj(m, MCX_SQ_INLINE_SIZE); if (mcx_load_mbuf(sc, ms, m) != 0) { m_freem(m); ifp->if_oerrors++; continue; } bf = (uint64_t *)sqe; if (ifp->if_bpf != NULL) bpf_mtap2(ifp->if_bpf, sqe->sqe_inline_headers, MCX_SQ_INLINE_SIZE, m, BPF_D_OUT); map = ms->ms_map; bus_dmamap_sync(sc->sc_dmat, map, 0, map->dm_mapsize, BUS_DMASYNC_PREWRITE); sqe->sqe_ds_sq_num = htobe32((sc->sc_sqn << MCX_SQE_SQ_NUM_SHIFT) | (map->dm_nsegs + 3)); /* data segment - first wqe has one segment */ sqs = sqe->sqe_segs; seg = 0; nseg = 1; for (i = 0; i < map->dm_nsegs; i++) { if (seg == nseg) { /* next slot */ idx++; if (idx == (1 << MCX_LOG_SQ_SIZE)) idx = 0; sc->sc_tx_prod++; used++; sqs = (struct mcx_sq_entry_seg *)(sq + idx); seg = 0; nseg = MCX_SQ_SEGS_PER_SLOT; } sqs[seg].sqs_byte_count = htobe32(map->dm_segs[i].ds_len); sqs[seg].sqs_lkey = htobe32(sc->sc_lkey); sqs[seg].sqs_addr = htobe64(map->dm_segs[i].ds_addr); seg++; } idx++; if (idx == (1 << MCX_LOG_SQ_SIZE)) idx = 0; sc->sc_tx_prod++; used++; } if (used) { *sc->sc_tx_doorbell = htobe32(sc->sc_tx_prod & MCX_WQ_DOORBELL_MASK); membar_sync(); /* * write the first 64 bits of the last sqe we produced * to the blue flame buffer */ bus_space_write_8(sc->sc_memt, sc->sc_memh, bf_base + sc->sc_bf_offset, *bf); /* next write goes to the other buffer */ sc->sc_bf_offset ^= sc->sc_bf_size; membar_sync(); } } static void mcx_watchdog(struct ifnet *ifp) { } static void mcx_media_add_types(struct mcx_softc *sc) { struct mcx_reg_ptys ptys; int i; uint32_t proto_cap; memset(&ptys, 0, sizeof(ptys)); ptys.rp_local_port = 1; ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH; if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys, sizeof(ptys)) != 0) { printf("%s: unable to read port type/speed\n", DEVNAME(sc)); return; } proto_cap = be32toh(ptys.rp_eth_proto_cap); for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) { const struct mcx_eth_proto_capability *cap; if (!ISSET(proto_cap, 1U << i)) continue; cap = &mcx_eth_cap_map[i]; if (cap->cap_media == 0) continue; ifmedia_add(&sc->sc_media, IFM_ETHER | cap->cap_media, 0, NULL); } } static void mcx_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) { struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc; struct mcx_reg_ptys ptys; int i; uint32_t proto_oper; uint64_t media_oper; memset(&ptys, 0, sizeof(ptys)); ptys.rp_local_port = 1; ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH; if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys, sizeof(ptys)) != 0) { printf("%s: unable to read port type/speed\n", DEVNAME(sc)); return; } proto_oper = be32toh(ptys.rp_eth_proto_oper); media_oper = 0; for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) { const struct mcx_eth_proto_capability *cap; if (!ISSET(proto_oper, 1U << i)) continue; cap = &mcx_eth_cap_map[i]; if (cap->cap_media != 0) media_oper = cap->cap_media; } ifmr->ifm_status = IFM_AVALID; /* not sure if this is the right thing to check, maybe paos? */ if (proto_oper != 0) { ifmr->ifm_status |= IFM_ACTIVE; ifmr->ifm_active = IFM_ETHER | IFM_AUTO | media_oper; /* txpause, rxpause, duplex? */ } } static int mcx_media_change(struct ifnet *ifp) { struct mcx_softc *sc = (struct mcx_softc *)ifp->if_softc; struct mcx_reg_ptys ptys; struct mcx_reg_paos paos; uint32_t media; int i, error; if (IFM_TYPE(sc->sc_media.ifm_media) != IFM_ETHER) return EINVAL; error = 0; if (IFM_SUBTYPE(sc->sc_media.ifm_media) == IFM_AUTO) { /* read ptys to get supported media */ memset(&ptys, 0, sizeof(ptys)); ptys.rp_local_port = 1; ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH; if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys, sizeof(ptys)) != 0) { printf("%s: unable to read port type/speed\n", DEVNAME(sc)); return EIO; } media = be32toh(ptys.rp_eth_proto_cap); } else { /* map media type */ media = 0; for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) { const struct mcx_eth_proto_capability *cap; cap = &mcx_eth_cap_map[i]; if (cap->cap_media == IFM_SUBTYPE(sc->sc_media.ifm_media)) { media = (1 << i); break; } } } /* disable the port */ memset(&paos, 0, sizeof(paos)); paos.rp_local_port = 1; paos.rp_admin_status = MCX_REG_PAOS_ADMIN_STATUS_DOWN; paos.rp_admin_state_update = MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN; if (mcx_access_hca_reg(sc, MCX_REG_PAOS, MCX_REG_OP_WRITE, &paos, sizeof(paos)) != 0) { printf("%s: unable to set port state to down\n", DEVNAME(sc)); return EIO; } memset(&ptys, 0, sizeof(ptys)); ptys.rp_local_port = 1; ptys.rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH; ptys.rp_eth_proto_admin = htobe32(media); if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_WRITE, &ptys, sizeof(ptys)) != 0) { printf("%s: unable to set port media type/speed\n", DEVNAME(sc)); error = EIO; } /* re-enable the port to start negotiation */ memset(&paos, 0, sizeof(paos)); paos.rp_local_port = 1; paos.rp_admin_status = MCX_REG_PAOS_ADMIN_STATUS_UP; paos.rp_admin_state_update = MCX_REG_PAOS_ADMIN_STATE_UPDATE_EN; if (mcx_access_hca_reg(sc, MCX_REG_PAOS, MCX_REG_OP_WRITE, &paos, sizeof(paos)) != 0) { printf("%s: unable to set port state to up\n", DEVNAME(sc)); error = EIO; } return error; } static void mcx_port_change(struct work *wk, void *xsc) { struct mcx_softc *sc = xsc; struct ifnet *ifp = &sc->sc_ec.ec_if; struct mcx_reg_paos paos = { .rp_local_port = 1, }; struct mcx_reg_ptys ptys = { .rp_local_port = 1, .rp_proto_mask = MCX_REG_PTYS_PROTO_MASK_ETH, }; int link_state = LINK_STATE_DOWN; if (mcx_access_hca_reg(sc, MCX_REG_PAOS, MCX_REG_OP_READ, &paos, sizeof(paos)) == 0) { if (paos.rp_oper_status == MCX_REG_PAOS_OPER_STATUS_UP) link_state = LINK_STATE_UP; } if (mcx_access_hca_reg(sc, MCX_REG_PTYS, MCX_REG_OP_READ, &ptys, sizeof(ptys)) == 0) { uint32_t proto_oper = be32toh(ptys.rp_eth_proto_oper); uint64_t baudrate = 0; unsigned int i; for (i = 0; i < __arraycount(mcx_eth_cap_map); i++) { const struct mcx_eth_proto_capability *cap; if (!ISSET(proto_oper, 1U << i)) continue; cap = &mcx_eth_cap_map[i]; if (cap->cap_baudrate == 0) continue; baudrate = cap->cap_baudrate; break; } ifp->if_baudrate = baudrate; } if (link_state != ifp->if_link_state) { if_link_state_change(ifp, link_state); } } static inline uint32_t mcx_rd(struct mcx_softc *sc, bus_size_t r) { uint32_t word; word = bus_space_read_4(sc->sc_memt, sc->sc_memh, r); return (be32toh(word)); } static inline void mcx_wr(struct mcx_softc *sc, bus_size_t r, uint32_t v) { bus_space_write_4(sc->sc_memt, sc->sc_memh, r, htobe32(v)); } static inline void mcx_bar(struct mcx_softc *sc, bus_size_t r, bus_size_t l, int f) { bus_space_barrier(sc->sc_memt, sc->sc_memh, r, l, f); } static uint64_t mcx_timer(struct mcx_softc *sc) { uint32_t hi, lo, ni; hi = mcx_rd(sc, MCX_INTERNAL_TIMER_H); for (;;) { lo = mcx_rd(sc, MCX_INTERNAL_TIMER_L); mcx_bar(sc, MCX_INTERNAL_TIMER_L, 8, BUS_SPACE_BARRIER_READ); ni = mcx_rd(sc, MCX_INTERNAL_TIMER_H); if (ni == hi) break; hi = ni; } return (((uint64_t)hi << 32) | (uint64_t)lo); } static int mcx_dmamem_alloc(struct mcx_softc *sc, struct mcx_dmamem *mxm, bus_size_t size, u_int align) { mxm->mxm_size = size; if (bus_dmamap_create(sc->sc_dmat, mxm->mxm_size, 1, mxm->mxm_size, 0, BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, &mxm->mxm_map) != 0) return (1); if (bus_dmamem_alloc(sc->sc_dmat, mxm->mxm_size, align, 0, &mxm->mxm_seg, 1, &mxm->mxm_nsegs, BUS_DMA_WAITOK) != 0) goto destroy; if (bus_dmamem_map(sc->sc_dmat, &mxm->mxm_seg, mxm->mxm_nsegs, mxm->mxm_size, &mxm->mxm_kva, BUS_DMA_WAITOK) != 0) goto free; if (bus_dmamap_load(sc->sc_dmat, mxm->mxm_map, mxm->mxm_kva, mxm->mxm_size, NULL, BUS_DMA_WAITOK) != 0) goto unmap; mcx_dmamem_zero(mxm); return (0); unmap: bus_dmamem_unmap(sc->sc_dmat, mxm->mxm_kva, mxm->mxm_size); free: bus_dmamem_free(sc->sc_dmat, &mxm->mxm_seg, 1); destroy: bus_dmamap_destroy(sc->sc_dmat, mxm->mxm_map); return (1); } static void mcx_dmamem_zero(struct mcx_dmamem *mxm) { memset(MCX_DMA_KVA(mxm), 0, MCX_DMA_LEN(mxm)); } static void mcx_dmamem_free(struct mcx_softc *sc, struct mcx_dmamem *mxm) { bus_dmamap_unload(sc->sc_dmat, mxm->mxm_map); bus_dmamem_unmap(sc->sc_dmat, mxm->mxm_kva, mxm->mxm_size); bus_dmamem_free(sc->sc_dmat, &mxm->mxm_seg, 1); bus_dmamap_destroy(sc->sc_dmat, mxm->mxm_map); } static int mcx_hwmem_alloc(struct mcx_softc *sc, struct mcx_hwmem *mhm, unsigned int pages) { bus_dma_segment_t *segs; bus_size_t len = pages * MCX_PAGE_SIZE; size_t seglen; segs = kmem_alloc(sizeof(*segs) * pages, KM_SLEEP); seglen = sizeof(*segs) * pages; if (bus_dmamem_alloc(sc->sc_dmat, len, MCX_PAGE_SIZE, 0, segs, pages, &mhm->mhm_seg_count, BUS_DMA_NOWAIT) != 0) goto free_segs; if (mhm->mhm_seg_count < pages) { size_t nseglen; mhm->mhm_segs = kmem_alloc( sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count, KM_SLEEP); nseglen = sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count; memcpy(mhm->mhm_segs, segs, nseglen); kmem_free(segs, seglen); segs = mhm->mhm_segs; seglen = nseglen; } else mhm->mhm_segs = segs; if (bus_dmamap_create(sc->sc_dmat, len, pages, MCX_PAGE_SIZE, MCX_PAGE_SIZE, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW /*|BUS_DMA_64BIT*/, &mhm->mhm_map) != 0) goto free_dmamem; if (bus_dmamap_load_raw(sc->sc_dmat, mhm->mhm_map, mhm->mhm_segs, mhm->mhm_seg_count, len, BUS_DMA_NOWAIT) != 0) goto destroy; bus_dmamap_sync(sc->sc_dmat, mhm->mhm_map, 0, mhm->mhm_map->dm_mapsize, BUS_DMASYNC_PRERW); mhm->mhm_npages = pages; return (0); destroy: bus_dmamap_destroy(sc->sc_dmat, mhm->mhm_map); free_dmamem: bus_dmamem_free(sc->sc_dmat, mhm->mhm_segs, mhm->mhm_seg_count); free_segs: kmem_free(segs, seglen); mhm->mhm_segs = NULL; return (-1); } static void mcx_hwmem_free(struct mcx_softc *sc, struct mcx_hwmem *mhm) { if (mhm->mhm_npages == 0) return; bus_dmamap_sync(sc->sc_dmat, mhm->mhm_map, 0, mhm->mhm_map->dm_mapsize, BUS_DMASYNC_POSTRW); bus_dmamap_unload(sc->sc_dmat, mhm->mhm_map); bus_dmamap_destroy(sc->sc_dmat, mhm->mhm_map); bus_dmamem_free(sc->sc_dmat, mhm->mhm_segs, mhm->mhm_seg_count); kmem_free(mhm->mhm_segs, sizeof(*mhm->mhm_segs) * mhm->mhm_seg_count); mhm->mhm_npages = 0; }