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611 lines
16 KiB
611 lines
16 KiB
/******************************************************************************* |
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* |
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* Copyright (c) 2015-2016 Intel Corporation. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenFabrics.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*******************************************************************************/ |
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#ifndef I40IW_IW_H |
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#define I40IW_IW_H |
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#include <linux/netdevice.h> |
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#include <linux/inetdevice.h> |
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#include <linux/spinlock.h> |
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#include <linux/kernel.h> |
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#include <linux/delay.h> |
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#include <linux/pci.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/workqueue.h> |
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#include <linux/slab.h> |
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#include <linux/io.h> |
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#include <linux/crc32c.h> |
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#include <linux/net/intel/i40e_client.h> |
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#include <rdma/ib_smi.h> |
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#include <rdma/ib_verbs.h> |
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#include <rdma/ib_pack.h> |
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#include <rdma/rdma_cm.h> |
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#include <rdma/iw_cm.h> |
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#include <crypto/hash.h> |
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#include "i40iw_status.h" |
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#include "i40iw_osdep.h" |
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#include "i40iw_d.h" |
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#include "i40iw_hmc.h" |
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#include "i40iw_type.h" |
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#include "i40iw_p.h" |
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#include <rdma/i40iw-abi.h> |
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#include "i40iw_pble.h" |
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#include "i40iw_verbs.h" |
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#include "i40iw_cm.h" |
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#include "i40iw_user.h" |
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#include "i40iw_puda.h" |
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#define I40IW_FW_VER_DEFAULT 2 |
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#define I40IW_HW_VERSION 2 |
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#define I40IW_ARP_ADD 1 |
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#define I40IW_ARP_DELETE 2 |
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#define I40IW_ARP_RESOLVE 3 |
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#define I40IW_MACIP_ADD 1 |
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#define I40IW_MACIP_DELETE 2 |
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#define IW_CCQ_SIZE (I40IW_CQP_SW_SQSIZE_2048 + 1) |
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#define IW_CEQ_SIZE 2048 |
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#define IW_AEQ_SIZE 2048 |
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#define RX_BUF_SIZE (1536 + 8) |
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#define IW_REG0_SIZE (4 * 1024) |
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#define IW_TX_TIMEOUT (6 * HZ) |
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#define IW_FIRST_QPN 1 |
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#define IW_SW_CONTEXT_ALIGN 1024 |
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#define MAX_DPC_ITERATIONS 128 |
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#define I40IW_EVENT_TIMEOUT 100000 |
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#define I40IW_VCHNL_EVENT_TIMEOUT 100000 |
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#define I40IW_NO_VLAN 0xffff |
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#define I40IW_NO_QSET 0xffff |
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/* access to mcast filter list */ |
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#define IW_ADD_MCAST false |
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#define IW_DEL_MCAST true |
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#define I40IW_DRV_OPT_ENABLE_MPA_VER_0 0x00000001 |
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#define I40IW_DRV_OPT_DISABLE_MPA_CRC 0x00000002 |
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#define I40IW_DRV_OPT_DISABLE_FIRST_WRITE 0x00000004 |
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#define I40IW_DRV_OPT_DISABLE_INTF 0x00000008 |
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#define I40IW_DRV_OPT_ENABLE_MSI 0x00000010 |
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#define I40IW_DRV_OPT_DUAL_LOGICAL_PORT 0x00000020 |
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#define I40IW_DRV_OPT_NO_INLINE_DATA 0x00000080 |
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#define I40IW_DRV_OPT_DISABLE_INT_MOD 0x00000100 |
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#define I40IW_DRV_OPT_DISABLE_VIRT_WQ 0x00000200 |
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#define I40IW_DRV_OPT_ENABLE_PAU 0x00000400 |
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#define I40IW_DRV_OPT_MCAST_LOGPORT_MAP 0x00000800 |
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#define IW_HMC_OBJ_TYPE_NUM ARRAY_SIZE(iw_hmc_obj_types) |
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#define IW_CFG_FPM_QP_COUNT 32768 |
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#define I40IW_MAX_PAGES_PER_FMR 512 |
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#define I40IW_MIN_PAGES_PER_FMR 1 |
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#define I40IW_CQP_COMPL_RQ_WQE_FLUSHED 2 |
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#define I40IW_CQP_COMPL_SQ_WQE_FLUSHED 3 |
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#define I40IW_CQP_COMPL_RQ_SQ_WQE_FLUSHED 4 |
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struct i40iw_cqp_compl_info { |
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u32 op_ret_val; |
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u16 maj_err_code; |
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u16 min_err_code; |
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bool error; |
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u8 op_code; |
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}; |
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#define i40iw_pr_err(fmt, args ...) pr_err("%s: "fmt, __func__, ## args) |
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#define i40iw_pr_info(fmt, args ...) pr_info("%s: " fmt, __func__, ## args) |
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#define i40iw_pr_warn(fmt, args ...) pr_warn("%s: " fmt, __func__, ## args) |
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struct i40iw_cqp_request { |
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struct cqp_commands_info info; |
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wait_queue_head_t waitq; |
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struct list_head list; |
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atomic_t refcount; |
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void (*callback_fcn)(struct i40iw_cqp_request*, u32); |
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void *param; |
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struct i40iw_cqp_compl_info compl_info; |
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bool waiting; |
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bool request_done; |
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bool dynamic; |
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}; |
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struct i40iw_cqp { |
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struct i40iw_sc_cqp sc_cqp; |
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spinlock_t req_lock; /*cqp request list */ |
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wait_queue_head_t waitq; |
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struct i40iw_dma_mem sq; |
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struct i40iw_dma_mem host_ctx; |
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u64 *scratch_array; |
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struct i40iw_cqp_request *cqp_requests; |
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struct list_head cqp_avail_reqs; |
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struct list_head cqp_pending_reqs; |
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}; |
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struct i40iw_device; |
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struct i40iw_ccq { |
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struct i40iw_sc_cq sc_cq; |
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spinlock_t lock; /* ccq control */ |
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wait_queue_head_t waitq; |
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struct i40iw_dma_mem mem_cq; |
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struct i40iw_dma_mem shadow_area; |
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}; |
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struct i40iw_ceq { |
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struct i40iw_sc_ceq sc_ceq; |
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struct i40iw_dma_mem mem; |
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u32 irq; |
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u32 msix_idx; |
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struct i40iw_device *iwdev; |
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struct tasklet_struct dpc_tasklet; |
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}; |
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struct i40iw_aeq { |
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struct i40iw_sc_aeq sc_aeq; |
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struct i40iw_dma_mem mem; |
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}; |
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struct i40iw_arp_entry { |
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u32 ip_addr[4]; |
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u8 mac_addr[ETH_ALEN]; |
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}; |
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enum init_completion_state { |
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INVALID_STATE = 0, |
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INITIAL_STATE, |
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CQP_CREATED, |
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HMC_OBJS_CREATED, |
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PBLE_CHUNK_MEM, |
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CCQ_CREATED, |
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AEQ_CREATED, |
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CEQ_CREATED, |
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ILQ_CREATED, |
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IEQ_CREATED, |
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IP_ADDR_REGISTERED, |
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RDMA_DEV_REGISTERED |
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}; |
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struct i40iw_msix_vector { |
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u32 idx; |
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u32 irq; |
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u32 cpu_affinity; |
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u32 ceq_id; |
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cpumask_t mask; |
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}; |
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struct l2params_work { |
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struct work_struct work; |
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struct i40iw_device *iwdev; |
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struct i40iw_l2params l2params; |
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}; |
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#define I40IW_MSIX_TABLE_SIZE 65 |
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struct virtchnl_work { |
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struct work_struct work; |
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union { |
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struct i40iw_cqp_request *cqp_request; |
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struct i40iw_virtchnl_work_info work_info; |
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}; |
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}; |
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struct i40e_qvlist_info; |
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struct i40iw_device { |
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struct i40iw_ib_device *iwibdev; |
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struct net_device *netdev; |
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wait_queue_head_t vchnl_waitq; |
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struct i40iw_sc_dev sc_dev; |
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struct i40iw_sc_vsi vsi; |
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struct i40iw_handler *hdl; |
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struct i40e_info *ldev; |
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struct i40e_client *client; |
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struct i40iw_hw hw; |
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struct i40iw_cm_core cm_core; |
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u8 *mem_resources; |
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unsigned long *allocated_qps; |
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unsigned long *allocated_cqs; |
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unsigned long *allocated_mrs; |
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unsigned long *allocated_pds; |
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unsigned long *allocated_arps; |
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struct i40iw_qp **qp_table; |
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bool msix_shared; |
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u32 msix_count; |
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struct i40iw_msix_vector *iw_msixtbl; |
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struct i40e_qvlist_info *iw_qvlist; |
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struct i40iw_hmc_pble_rsrc *pble_rsrc; |
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struct i40iw_arp_entry *arp_table; |
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struct i40iw_cqp cqp; |
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struct i40iw_ccq ccq; |
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u32 ceqs_count; |
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struct i40iw_ceq *ceqlist; |
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struct i40iw_aeq aeq; |
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u32 arp_table_size; |
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u32 next_arp_index; |
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spinlock_t resource_lock; /* hw resource access */ |
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spinlock_t qptable_lock; |
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u32 vendor_id; |
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u32 vendor_part_id; |
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u32 of_device_registered; |
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u32 device_cap_flags; |
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unsigned long db_start; |
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u8 resource_profile; |
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u8 max_rdma_vfs; |
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u8 max_enabled_vfs; |
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u8 max_sge; |
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u8 iw_status; |
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u8 send_term_ok; |
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/* x710 specific */ |
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struct mutex pbl_mutex; |
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struct tasklet_struct dpc_tasklet; |
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struct workqueue_struct *virtchnl_wq; |
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struct virtchnl_work virtchnl_w[I40IW_MAX_PE_ENABLED_VF_COUNT]; |
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struct i40iw_dma_mem obj_mem; |
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struct i40iw_dma_mem obj_next; |
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u8 *hmc_info_mem; |
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u32 sd_type; |
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struct workqueue_struct *param_wq; |
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atomic_t params_busy; |
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enum init_completion_state init_state; |
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u16 mac_ip_table_idx; |
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atomic_t vchnl_msgs; |
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u32 max_mr; |
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u32 max_qp; |
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u32 max_cq; |
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u32 max_pd; |
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u32 next_qp; |
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u32 next_cq; |
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u32 next_pd; |
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u32 max_mr_size; |
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u32 max_qp_wr; |
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u32 max_cqe; |
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u32 mr_stagmask; |
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u32 mpa_version; |
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bool dcb; |
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bool closing; |
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bool reset; |
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u32 used_pds; |
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u32 used_cqs; |
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u32 used_mrs; |
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u32 used_qps; |
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wait_queue_head_t close_wq; |
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atomic64_t use_count; |
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}; |
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struct i40iw_ib_device { |
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struct ib_device ibdev; |
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struct i40iw_device *iwdev; |
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}; |
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struct i40iw_handler { |
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struct list_head list; |
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struct i40e_client *client; |
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struct i40iw_device device; |
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struct i40e_info ldev; |
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}; |
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/** |
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* i40iw_fw_major_ver - get firmware major version |
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* @dev: iwarp device |
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**/ |
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static inline u64 i40iw_fw_major_ver(struct i40iw_sc_dev *dev) |
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{ |
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return RS_64(dev->feature_info[I40IW_FEATURE_FW_INFO], |
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I40IW_FW_VER_MAJOR); |
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} |
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/** |
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* i40iw_fw_minor_ver - get firmware minor version |
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* @dev: iwarp device |
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**/ |
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static inline u64 i40iw_fw_minor_ver(struct i40iw_sc_dev *dev) |
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{ |
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return RS_64(dev->feature_info[I40IW_FEATURE_FW_INFO], |
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I40IW_FW_VER_MINOR); |
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} |
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/** |
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* to_iwdev - get device |
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* @ibdev: ib device |
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**/ |
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static inline struct i40iw_device *to_iwdev(struct ib_device *ibdev) |
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{ |
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return container_of(ibdev, struct i40iw_ib_device, ibdev)->iwdev; |
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} |
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/** |
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* to_ucontext - get user context |
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* @ibucontext: ib user context |
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**/ |
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static inline struct i40iw_ucontext *to_ucontext(struct ib_ucontext *ibucontext) |
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{ |
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return container_of(ibucontext, struct i40iw_ucontext, ibucontext); |
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} |
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/** |
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* to_iwpd - get protection domain |
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* @ibpd: ib pd |
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**/ |
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static inline struct i40iw_pd *to_iwpd(struct ib_pd *ibpd) |
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{ |
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return container_of(ibpd, struct i40iw_pd, ibpd); |
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} |
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/** |
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* to_iwmr - get device memory region |
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* @ibdev: ib memory region |
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**/ |
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static inline struct i40iw_mr *to_iwmr(struct ib_mr *ibmr) |
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{ |
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return container_of(ibmr, struct i40iw_mr, ibmr); |
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} |
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/** |
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* to_iwmw - get device memory window |
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* @ibmw: ib memory window |
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**/ |
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static inline struct i40iw_mr *to_iwmw(struct ib_mw *ibmw) |
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{ |
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return container_of(ibmw, struct i40iw_mr, ibmw); |
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} |
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/** |
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* to_iwcq - get completion queue |
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* @ibcq: ib cqdevice |
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**/ |
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static inline struct i40iw_cq *to_iwcq(struct ib_cq *ibcq) |
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{ |
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return container_of(ibcq, struct i40iw_cq, ibcq); |
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} |
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/** |
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* to_iwqp - get device qp |
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* @ibqp: ib qp |
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**/ |
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static inline struct i40iw_qp *to_iwqp(struct ib_qp *ibqp) |
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{ |
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return container_of(ibqp, struct i40iw_qp, ibqp); |
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} |
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/* i40iw.c */ |
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void i40iw_qp_add_ref(struct ib_qp *ibqp); |
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void i40iw_qp_rem_ref(struct ib_qp *ibqp); |
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struct ib_qp *i40iw_get_qp(struct ib_device *, int); |
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void i40iw_flush_wqes(struct i40iw_device *iwdev, |
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struct i40iw_qp *qp); |
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void i40iw_manage_arp_cache(struct i40iw_device *iwdev, |
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unsigned char *mac_addr, |
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u32 *ip_addr, |
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bool ipv4, |
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u32 action); |
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int i40iw_manage_apbvt(struct i40iw_device *iwdev, |
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u16 accel_local_port, |
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bool add_port); |
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struct i40iw_cqp_request *i40iw_get_cqp_request(struct i40iw_cqp *cqp, bool wait); |
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void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request); |
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void i40iw_put_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request); |
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/** |
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* i40iw_alloc_resource - allocate a resource |
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* @iwdev: device pointer |
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* @resource_array: resource bit array: |
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* @max_resources: maximum resource number |
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* @req_resources_num: Allocated resource number |
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* @next: next free id |
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**/ |
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static inline int i40iw_alloc_resource(struct i40iw_device *iwdev, |
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unsigned long *resource_array, |
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u32 max_resources, |
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u32 *req_resource_num, |
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u32 *next) |
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{ |
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u32 resource_num; |
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unsigned long flags; |
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spin_lock_irqsave(&iwdev->resource_lock, flags); |
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resource_num = find_next_zero_bit(resource_array, max_resources, *next); |
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if (resource_num >= max_resources) { |
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resource_num = find_first_zero_bit(resource_array, max_resources); |
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if (resource_num >= max_resources) { |
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spin_unlock_irqrestore(&iwdev->resource_lock, flags); |
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return -EOVERFLOW; |
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} |
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} |
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set_bit(resource_num, resource_array); |
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*next = resource_num + 1; |
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if (*next == max_resources) |
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*next = 0; |
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*req_resource_num = resource_num; |
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spin_unlock_irqrestore(&iwdev->resource_lock, flags); |
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return 0; |
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} |
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/** |
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* i40iw_is_resource_allocated - detrmine if resource is |
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* allocated |
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* @iwdev: device pointer |
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* @resource_array: resource array for the resource_num |
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* @resource_num: resource number to check |
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**/ |
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static inline bool i40iw_is_resource_allocated(struct i40iw_device *iwdev, |
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unsigned long *resource_array, |
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u32 resource_num) |
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{ |
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bool bit_is_set; |
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unsigned long flags; |
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spin_lock_irqsave(&iwdev->resource_lock, flags); |
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bit_is_set = test_bit(resource_num, resource_array); |
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spin_unlock_irqrestore(&iwdev->resource_lock, flags); |
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return bit_is_set; |
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} |
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/** |
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* i40iw_free_resource - free a resource |
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* @iwdev: device pointer |
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* @resource_array: resource array for the resource_num |
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* @resource_num: resource number to free |
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**/ |
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static inline void i40iw_free_resource(struct i40iw_device *iwdev, |
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unsigned long *resource_array, |
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u32 resource_num) |
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{ |
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unsigned long flags; |
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spin_lock_irqsave(&iwdev->resource_lock, flags); |
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clear_bit(resource_num, resource_array); |
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spin_unlock_irqrestore(&iwdev->resource_lock, flags); |
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} |
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/** |
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* to_iwhdl - Get the handler from the device pointer |
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* @iwdev: device pointer |
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**/ |
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static inline struct i40iw_handler *to_iwhdl(struct i40iw_device *iw_dev) |
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{ |
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return container_of(iw_dev, struct i40iw_handler, device); |
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} |
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struct i40iw_handler *i40iw_find_netdev(struct net_device *netdev); |
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/** |
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* iw_init_resources - |
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*/ |
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u32 i40iw_initialize_hw_resources(struct i40iw_device *iwdev); |
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int i40iw_register_rdma_device(struct i40iw_device *iwdev); |
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void i40iw_port_ibevent(struct i40iw_device *iwdev); |
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void i40iw_cm_disconn(struct i40iw_qp *iwqp); |
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void i40iw_cm_disconn_worker(void *); |
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int mini_cm_recv_pkt(struct i40iw_cm_core *, struct i40iw_device *, |
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struct sk_buff *); |
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enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev, |
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struct i40iw_cqp_request *cqp_request); |
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enum i40iw_status_code i40iw_add_mac_addr(struct i40iw_device *iwdev, |
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u8 *mac_addr, u8 *mac_index); |
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int i40iw_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *); |
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void i40iw_cq_wq_destroy(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq); |
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void i40iw_cleanup_pending_cqp_op(struct i40iw_device *iwdev); |
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void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev); |
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void i40iw_add_pdusecount(struct i40iw_pd *iwpd); |
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void i40iw_rem_devusecount(struct i40iw_device *iwdev); |
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void i40iw_add_devusecount(struct i40iw_device *iwdev); |
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void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, |
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struct i40iw_modify_qp_info *info, bool wait); |
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void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, |
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struct i40iw_sc_qp *qp, |
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bool suspend); |
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enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev, |
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struct i40iw_cm_info *cminfo, |
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enum i40iw_quad_entry_type etype, |
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enum i40iw_quad_hash_manage_type mtype, |
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void *cmnode, |
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bool wait); |
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void i40iw_receive_ilq(struct i40iw_sc_vsi *vsi, struct i40iw_puda_buf *rbuf); |
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void i40iw_free_sqbuf(struct i40iw_sc_vsi *vsi, void *bufp); |
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void i40iw_free_qp_resources(struct i40iw_qp *iwqp); |
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enum i40iw_status_code i40iw_obj_aligned_mem(struct i40iw_device *iwdev, |
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struct i40iw_dma_mem *memptr, |
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u32 size, u32 mask); |
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void i40iw_request_reset(struct i40iw_device *iwdev); |
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void i40iw_destroy_rdma_device(struct i40iw_ib_device *iwibdev); |
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int i40iw_setup_cm_core(struct i40iw_device *iwdev); |
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void i40iw_cleanup_cm_core(struct i40iw_cm_core *cm_core); |
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void i40iw_process_ceq(struct i40iw_device *, struct i40iw_ceq *iwceq); |
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void i40iw_process_aeq(struct i40iw_device *); |
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void i40iw_next_iw_state(struct i40iw_qp *iwqp, |
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u8 state, u8 del_hash, |
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u8 term, u8 term_len); |
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int i40iw_send_syn(struct i40iw_cm_node *cm_node, u32 sendack); |
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int i40iw_send_reset(struct i40iw_cm_node *cm_node); |
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struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core, |
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u16 rem_port, |
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u32 *rem_addr, |
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u16 loc_port, |
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u32 *loc_addr, |
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bool add_refcnt, |
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bool accelerated_list); |
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enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev, |
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struct i40iw_sc_qp *qp, |
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struct i40iw_qp_flush_info *info, |
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bool wait); |
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void i40iw_gen_ae(struct i40iw_device *iwdev, |
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struct i40iw_sc_qp *qp, |
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struct i40iw_gen_ae_info *info, |
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bool wait); |
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void i40iw_copy_ip_ntohl(u32 *dst, __be32 *src); |
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struct ib_mr *i40iw_reg_phys_mr(struct ib_pd *ib_pd, |
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u64 addr, |
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u64 size, |
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int acc, |
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u64 *iova_start); |
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int i40iw_inetaddr_event(struct notifier_block *notifier, |
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unsigned long event, |
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void *ptr); |
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int i40iw_inet6addr_event(struct notifier_block *notifier, |
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unsigned long event, |
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void *ptr); |
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int i40iw_net_event(struct notifier_block *notifier, |
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unsigned long event, |
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void *ptr); |
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int i40iw_netdevice_event(struct notifier_block *notifier, |
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unsigned long event, |
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void *ptr); |
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#endif
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