/******************************************************************************* * * Copyright (c) 2015-2016 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenFabrics.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * *******************************************************************************/ #ifndef I40IW_IW_H #define I40IW_IW_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "i40iw_status.h" #include "i40iw_osdep.h" #include "i40iw_d.h" #include "i40iw_hmc.h" #include #include "i40iw_type.h" #include "i40iw_p.h" #include "i40iw_ucontext.h" #include "i40iw_pble.h" #include "i40iw_verbs.h" #include "i40iw_cm.h" #include "i40iw_user.h" #include "i40iw_puda.h" #define I40IW_FW_VERSION 2 #define I40IW_HW_VERSION 2 #define I40IW_ARP_ADD 1 #define I40IW_ARP_DELETE 2 #define I40IW_ARP_RESOLVE 3 #define I40IW_MACIP_ADD 1 #define I40IW_MACIP_DELETE 2 #define IW_CCQ_SIZE (I40IW_CQP_SW_SQSIZE_2048 + 1) #define IW_CEQ_SIZE 2048 #define IW_AEQ_SIZE 2048 #define RX_BUF_SIZE (1536 + 8) #define IW_REG0_SIZE (4 * 1024) #define IW_TX_TIMEOUT (6 * HZ) #define IW_FIRST_QPN 1 #define IW_SW_CONTEXT_ALIGN 1024 #define MAX_DPC_ITERATIONS 128 #define I40IW_EVENT_TIMEOUT 100000 #define I40IW_VCHNL_EVENT_TIMEOUT 100000 #define I40IW_NO_VLAN 0xffff #define I40IW_NO_QSET 0xffff /* access to mcast filter list */ #define IW_ADD_MCAST false #define IW_DEL_MCAST true #define I40IW_DRV_OPT_ENABLE_MPA_VER_0 0x00000001 #define I40IW_DRV_OPT_DISABLE_MPA_CRC 0x00000002 #define I40IW_DRV_OPT_DISABLE_FIRST_WRITE 0x00000004 #define I40IW_DRV_OPT_DISABLE_INTF 0x00000008 #define I40IW_DRV_OPT_ENABLE_MSI 0x00000010 #define I40IW_DRV_OPT_DUAL_LOGICAL_PORT 0x00000020 #define I40IW_DRV_OPT_NO_INLINE_DATA 0x00000080 #define I40IW_DRV_OPT_DISABLE_INT_MOD 0x00000100 #define I40IW_DRV_OPT_DISABLE_VIRT_WQ 0x00000200 #define I40IW_DRV_OPT_ENABLE_PAU 0x00000400 #define I40IW_DRV_OPT_MCAST_LOGPORT_MAP 0x00000800 #define IW_HMC_OBJ_TYPE_NUM ARRAY_SIZE(iw_hmc_obj_types) #define IW_CFG_FPM_QP_COUNT 32768 #define I40IW_MAX_PAGES_PER_FMR 512 #define I40IW_MIN_PAGES_PER_FMR 1 #define I40IW_MTU_TO_MSS 40 #define I40IW_DEFAULT_MSS 1460 struct i40iw_cqp_compl_info { u32 op_ret_val; u16 maj_err_code; u16 min_err_code; bool error; u8 op_code; }; #define i40iw_pr_err(fmt, args ...) pr_err("%s: "fmt, __func__, ## args) #define i40iw_pr_info(fmt, args ...) pr_info("%s: " fmt, __func__, ## args) #define i40iw_pr_warn(fmt, args ...) pr_warn("%s: " fmt, __func__, ## args) struct i40iw_cqp_request { struct cqp_commands_info info; wait_queue_head_t waitq; struct list_head list; atomic_t refcount; void (*callback_fcn)(struct i40iw_cqp_request*, u32); void *param; struct i40iw_cqp_compl_info compl_info; bool waiting; bool request_done; bool dynamic; }; struct i40iw_cqp { struct i40iw_sc_cqp sc_cqp; spinlock_t req_lock; /*cqp request list */ wait_queue_head_t waitq; struct i40iw_dma_mem sq; struct i40iw_dma_mem host_ctx; u64 *scratch_array; struct i40iw_cqp_request *cqp_requests; struct list_head cqp_avail_reqs; struct list_head cqp_pending_reqs; }; struct i40iw_device; struct i40iw_ccq { struct i40iw_sc_cq sc_cq; spinlock_t lock; /* ccq control */ wait_queue_head_t waitq; struct i40iw_dma_mem mem_cq; struct i40iw_dma_mem shadow_area; }; struct i40iw_ceq { struct i40iw_sc_ceq sc_ceq; struct i40iw_dma_mem mem; u32 irq; u32 msix_idx; struct i40iw_device *iwdev; struct tasklet_struct dpc_tasklet; }; struct i40iw_aeq { struct i40iw_sc_aeq sc_aeq; struct i40iw_dma_mem mem; }; struct i40iw_arp_entry { u32 ip_addr[4]; u8 mac_addr[ETH_ALEN]; }; enum init_completion_state { INVALID_STATE = 0, INITIAL_STATE, CQP_CREATED, HMC_OBJS_CREATED, PBLE_CHUNK_MEM, CCQ_CREATED, AEQ_CREATED, CEQ_CREATED, ILQ_CREATED, IEQ_CREATED, INET_NOTIFIER, IP_ADDR_REGISTERED, RDMA_DEV_REGISTERED }; struct i40iw_msix_vector { u32 idx; u32 irq; u32 cpu_affinity; u32 ceq_id; }; struct l2params_work { struct work_struct work; struct i40iw_device *iwdev; struct i40iw_l2params l2params; }; #define I40IW_MSIX_TABLE_SIZE 65 struct virtchnl_work { struct work_struct work; union { struct i40iw_cqp_request *cqp_request; struct i40iw_virtchnl_work_info work_info; }; }; struct i40e_qvlist_info; struct i40iw_device { struct i40iw_ib_device *iwibdev; struct net_device *netdev; wait_queue_head_t vchnl_waitq; struct i40iw_sc_dev sc_dev; struct i40iw_handler *hdl; struct i40e_info *ldev; struct i40e_client *client; struct i40iw_hw hw; struct i40iw_cm_core cm_core; u8 *mem_resources; unsigned long *allocated_qps; unsigned long *allocated_cqs; unsigned long *allocated_mrs; unsigned long *allocated_pds; unsigned long *allocated_arps; struct i40iw_qp **qp_table; bool msix_shared; u32 msix_count; struct i40iw_msix_vector *iw_msixtbl; struct i40e_qvlist_info *iw_qvlist; struct i40iw_hmc_pble_rsrc *pble_rsrc; struct i40iw_arp_entry *arp_table; struct i40iw_cqp cqp; struct i40iw_ccq ccq; u32 ceqs_count; struct i40iw_ceq *ceqlist; struct i40iw_aeq aeq; u32 arp_table_size; u32 next_arp_index; spinlock_t resource_lock; /* hw resource access */ spinlock_t qptable_lock; u32 vendor_id; u32 vendor_part_id; u32 of_device_registered; u32 device_cap_flags; unsigned long db_start; u8 resource_profile; u8 max_rdma_vfs; u8 max_enabled_vfs; u8 max_sge; u8 iw_status; u8 send_term_ok; bool push_mode; /* Initialized from parameter passed to driver */ /* x710 specific */ struct mutex pbl_mutex; struct tasklet_struct dpc_tasklet; struct workqueue_struct *virtchnl_wq; struct virtchnl_work virtchnl_w[I40IW_MAX_PE_ENABLED_VF_COUNT]; struct i40iw_dma_mem obj_mem; struct i40iw_dma_mem obj_next; u8 *hmc_info_mem; u32 sd_type; struct workqueue_struct *param_wq; atomic_t params_busy; u32 mss; enum init_completion_state init_state; u16 mac_ip_table_idx; atomic_t vchnl_msgs; u32 max_mr; u32 max_qp; u32 max_cq; u32 max_pd; u32 next_qp; u32 next_cq; u32 next_pd; u32 max_mr_size; u32 max_qp_wr; u32 max_cqe; u32 mr_stagmask; u32 mpa_version; bool dcb; bool closing; bool reset; u32 used_pds; u32 used_cqs; u32 used_mrs; u32 used_qps; wait_queue_head_t close_wq; atomic64_t use_count; }; struct i40iw_ib_device { struct ib_device ibdev; struct i40iw_device *iwdev; }; struct i40iw_handler { struct list_head list; struct i40e_client *client; struct i40iw_device device; struct i40e_info ldev; }; /** * to_iwdev - get device * @ibdev: ib device **/ static inline struct i40iw_device *to_iwdev(struct ib_device *ibdev) { return container_of(ibdev, struct i40iw_ib_device, ibdev)->iwdev; } /** * to_ucontext - get user context * @ibucontext: ib user context **/ static inline struct i40iw_ucontext *to_ucontext(struct ib_ucontext *ibucontext) { return container_of(ibucontext, struct i40iw_ucontext, ibucontext); } /** * to_iwpd - get protection domain * @ibpd: ib pd **/ static inline struct i40iw_pd *to_iwpd(struct ib_pd *ibpd) { return container_of(ibpd, struct i40iw_pd, ibpd); } /** * to_iwmr - get device memory region * @ibdev: ib memory region **/ static inline struct i40iw_mr *to_iwmr(struct ib_mr *ibmr) { return container_of(ibmr, struct i40iw_mr, ibmr); } /** * to_iwmr_from_ibfmr - get device memory region * @ibfmr: ib fmr **/ static inline struct i40iw_mr *to_iwmr_from_ibfmr(struct ib_fmr *ibfmr) { return container_of(ibfmr, struct i40iw_mr, ibfmr); } /** * to_iwmw - get device memory window * @ibmw: ib memory window **/ static inline struct i40iw_mr *to_iwmw(struct ib_mw *ibmw) { return container_of(ibmw, struct i40iw_mr, ibmw); } /** * to_iwcq - get completion queue * @ibcq: ib cqdevice **/ static inline struct i40iw_cq *to_iwcq(struct ib_cq *ibcq) { return container_of(ibcq, struct i40iw_cq, ibcq); } /** * to_iwqp - get device qp * @ibqp: ib qp **/ static inline struct i40iw_qp *to_iwqp(struct ib_qp *ibqp) { return container_of(ibqp, struct i40iw_qp, ibqp); } /* i40iw.c */ void i40iw_add_ref(struct ib_qp *); void i40iw_rem_ref(struct ib_qp *); struct ib_qp *i40iw_get_qp(struct ib_device *, int); void i40iw_flush_wqes(struct i40iw_device *iwdev, struct i40iw_qp *qp); void i40iw_manage_arp_cache(struct i40iw_device *iwdev, unsigned char *mac_addr, u32 *ip_addr, bool ipv4, u32 action); int i40iw_manage_apbvt(struct i40iw_device *iwdev, u16 accel_local_port, bool add_port); struct i40iw_cqp_request *i40iw_get_cqp_request(struct i40iw_cqp *cqp, bool wait); void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request); void i40iw_put_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request); /** * i40iw_alloc_resource - allocate a resource * @iwdev: device pointer * @resource_array: resource bit array: * @max_resources: maximum resource number * @req_resources_num: Allocated resource number * @next: next free id **/ static inline int i40iw_alloc_resource(struct i40iw_device *iwdev, unsigned long *resource_array, u32 max_resources, u32 *req_resource_num, u32 *next) { u32 resource_num; unsigned long flags; spin_lock_irqsave(&iwdev->resource_lock, flags); resource_num = find_next_zero_bit(resource_array, max_resources, *next); if (resource_num >= max_resources) { resource_num = find_first_zero_bit(resource_array, max_resources); if (resource_num >= max_resources) { spin_unlock_irqrestore(&iwdev->resource_lock, flags); return -EOVERFLOW; } } set_bit(resource_num, resource_array); *next = resource_num + 1; if (*next == max_resources) *next = 0; *req_resource_num = resource_num; spin_unlock_irqrestore(&iwdev->resource_lock, flags); return 0; } /** * i40iw_is_resource_allocated - detrmine if resource is * allocated * @iwdev: device pointer * @resource_array: resource array for the resource_num * @resource_num: resource number to check **/ static inline bool i40iw_is_resource_allocated(struct i40iw_device *iwdev, unsigned long *resource_array, u32 resource_num) { bool bit_is_set; unsigned long flags; spin_lock_irqsave(&iwdev->resource_lock, flags); bit_is_set = test_bit(resource_num, resource_array); spin_unlock_irqrestore(&iwdev->resource_lock, flags); return bit_is_set; } /** * i40iw_free_resource - free a resource * @iwdev: device pointer * @resource_array: resource array for the resource_num * @resource_num: resource number to free **/ static inline void i40iw_free_resource(struct i40iw_device *iwdev, unsigned long *resource_array, u32 resource_num) { unsigned long flags; spin_lock_irqsave(&iwdev->resource_lock, flags); clear_bit(resource_num, resource_array); spin_unlock_irqrestore(&iwdev->resource_lock, flags); } /** * to_iwhdl - Get the handler from the device pointer * @iwdev: device pointer **/ static inline struct i40iw_handler *to_iwhdl(struct i40iw_device *iw_dev) { return container_of(iw_dev, struct i40iw_handler, device); } struct i40iw_handler *i40iw_find_netdev(struct net_device *netdev); /** * iw_init_resources - */ u32 i40iw_initialize_hw_resources(struct i40iw_device *iwdev); int i40iw_register_rdma_device(struct i40iw_device *iwdev); void i40iw_port_ibevent(struct i40iw_device *iwdev); void i40iw_cm_disconn(struct i40iw_qp *iwqp); void i40iw_cm_disconn_worker(void *); int mini_cm_recv_pkt(struct i40iw_cm_core *, struct i40iw_device *, struct sk_buff *); enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev, struct i40iw_cqp_request *cqp_request); enum i40iw_status_code i40iw_add_mac_addr(struct i40iw_device *iwdev, u8 *mac_addr, u8 *mac_index); int i40iw_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *); void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev); void i40iw_add_pdusecount(struct i40iw_pd *iwpd); void i40iw_rem_devusecount(struct i40iw_device *iwdev); void i40iw_add_devusecount(struct i40iw_device *iwdev); void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, struct i40iw_modify_qp_info *info, bool wait); void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, bool suspend); enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev, struct i40iw_cm_info *cminfo, enum i40iw_quad_entry_type etype, enum i40iw_quad_hash_manage_type mtype, void *cmnode, bool wait); void i40iw_receive_ilq(struct i40iw_sc_dev *dev, struct i40iw_puda_buf *rbuf); void i40iw_free_sqbuf(struct i40iw_sc_dev *dev, void *bufp); void i40iw_free_qp_resources(struct i40iw_device *iwdev, struct i40iw_qp *iwqp, u32 qp_num); enum i40iw_status_code i40iw_obj_aligned_mem(struct i40iw_device *iwdev, struct i40iw_dma_mem *memptr, u32 size, u32 mask); void i40iw_request_reset(struct i40iw_device *iwdev); void i40iw_destroy_rdma_device(struct i40iw_ib_device *iwibdev); void i40iw_setup_cm_core(struct i40iw_device *iwdev); void i40iw_cleanup_cm_core(struct i40iw_cm_core *cm_core); void i40iw_process_ceq(struct i40iw_device *, struct i40iw_ceq *iwceq); void i40iw_process_aeq(struct i40iw_device *); void i40iw_next_iw_state(struct i40iw_qp *iwqp, u8 state, u8 del_hash, u8 term, u8 term_len); int i40iw_send_syn(struct i40iw_cm_node *cm_node, u32 sendack); struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core, u16 rem_port, u32 *rem_addr, u16 loc_port, u32 *loc_addr, bool add_refcnt); enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev, struct i40iw_sc_qp *qp, struct i40iw_qp_flush_info *info, bool wait); void i40iw_copy_ip_ntohl(u32 *dst, __be32 *src); struct ib_mr *i40iw_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size, int acc, u64 *iova_start); int i40iw_inetaddr_event(struct notifier_block *notifier, unsigned long event, void *ptr); int i40iw_inet6addr_event(struct notifier_block *notifier, unsigned long event, void *ptr); int i40iw_net_event(struct notifier_block *notifier, unsigned long event, void *ptr); #endif