1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ 3 4 #ifndef _IONIC_H_ 5 #define _IONIC_H_ 6 7 struct ionic_lif; 8 9 #include "ionic_if.h" 10 #include "ionic_dev.h" 11 #include "ionic_devlink.h" 12 13 #define IONIC_DRV_NAME "ionic" 14 #define IONIC_DRV_DESCRIPTION "Pensando Ethernet NIC Driver" 15 16 #define PCI_VENDOR_ID_PENSANDO 0x1dd8 17 18 #define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_PF 0x1002 19 #define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF 0x1003 20 21 #define IONIC_ASIC_TYPE_ELBA 2 22 23 #define DEVCMD_TIMEOUT 5 24 #define IONIC_ADMINQ_TIME_SLICE msecs_to_jiffies(100) 25 26 #define IONIC_PHC_UPDATE_NS 10000000000 /* 10s in nanoseconds */ 27 #define NORMAL_PPB 1000000000 /* one billion parts per billion */ 28 #define SCALED_PPM (1000000ull << 16) /* 2^16 million parts per 2^16 million */ 29 30 struct ionic_vf { 31 u16 index; 32 u8 macaddr[6]; 33 __le32 maxrate; 34 __le16 vlanid; 35 u8 spoofchk; 36 u8 trusted; 37 u8 linkstate; 38 dma_addr_t stats_pa; 39 struct ionic_lif_stats stats; 40 }; 41 42 struct ionic { 43 struct pci_dev *pdev; 44 struct device *dev; 45 struct devlink_port dl_port; 46 struct ionic_dev idev; 47 struct mutex dev_cmd_lock; /* lock for dev_cmd operations */ 48 struct dentry *dentry; 49 struct ionic_dev_bar bars[IONIC_BARS_MAX]; 50 unsigned int num_bars; 51 struct ionic_identity ident; 52 struct workqueue_struct *wq; 53 struct ionic_lif *lif; 54 unsigned int nnqs_per_lif; 55 unsigned int neqs_per_lif; 56 unsigned int ntxqs_per_lif; 57 unsigned int nrxqs_per_lif; 58 unsigned int nintrs; 59 DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX); 60 cpumask_var_t *affinity_masks; 61 struct delayed_work doorbell_check_dwork; 62 struct work_struct nb_work; 63 struct notifier_block nb; 64 struct rw_semaphore vf_op_lock; /* lock for VF operations */ 65 struct ionic_vf *vfs; 66 int num_vfs; 67 struct timer_list watchdog_timer; 68 int watchdog_period; 69 }; 70 71 struct ionic_admin_ctx { 72 struct completion work; 73 union ionic_adminq_cmd cmd; 74 union ionic_adminq_comp comp; 75 }; 76 77 int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 78 int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx, 79 const int err, const bool do_msg); 80 int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 81 int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 82 void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode, 83 u8 status, int err); 84 bool ionic_notifyq_service(struct ionic_cq *cq); 85 bool ionic_adminq_service(struct ionic_cq *cq); 86 87 int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait); 88 int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait); 89 void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status, 90 int err); 91 int ionic_setup(struct ionic *ionic); 92 93 int ionic_identify(struct ionic *ionic); 94 int ionic_init(struct ionic *ionic); 95 int ionic_reset(struct ionic *ionic); 96 97 int ionic_port_identify(struct ionic *ionic); 98 int ionic_port_init(struct ionic *ionic); 99 int ionic_port_reset(struct ionic *ionic); 100 101 bool ionic_doorbell_wa(struct ionic *ionic); 102 103 #endif /* _IONIC_H_ */ 104