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 DEVCMD_TIMEOUT 10 22 #define IONIC_ADMINQ_TIME_SLICE msecs_to_jiffies(100) 23 24 #define IONIC_PHC_UPDATE_NS 10000000000 /* 10s in nanoseconds */ 25 #define NORMAL_PPB 1000000000 /* one billion parts per billion */ 26 #define SCALED_PPM (1000000ull << 16) /* 2^16 million parts per 2^16 million */ 27 28 struct ionic_vf { 29 u16 index; 30 u8 macaddr[6]; 31 __le32 maxrate; 32 __le16 vlanid; 33 u8 spoofchk; 34 u8 trusted; 35 u8 linkstate; 36 dma_addr_t stats_pa; 37 struct ionic_lif_stats stats; 38 }; 39 40 struct ionic { 41 struct pci_dev *pdev; 42 struct device *dev; 43 struct devlink_port dl_port; 44 struct ionic_dev idev; 45 struct mutex dev_cmd_lock; /* lock for dev_cmd operations */ 46 struct dentry *dentry; 47 struct ionic_dev_bar bars[IONIC_BARS_MAX]; 48 unsigned int num_bars; 49 struct ionic_identity ident; 50 struct ionic_lif *lif; 51 unsigned int nnqs_per_lif; 52 unsigned int neqs_per_lif; 53 unsigned int ntxqs_per_lif; 54 unsigned int nrxqs_per_lif; 55 unsigned int nintrs; 56 DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX); 57 struct work_struct nb_work; 58 struct notifier_block nb; 59 struct rw_semaphore vf_op_lock; /* lock for VF operations */ 60 struct ionic_vf *vfs; 61 int num_vfs; 62 struct timer_list watchdog_timer; 63 int watchdog_period; 64 }; 65 66 struct ionic_admin_ctx { 67 struct completion work; 68 union ionic_adminq_cmd cmd; 69 union ionic_adminq_comp comp; 70 }; 71 72 int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 73 int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx, int err); 74 int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx); 75 int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait); 76 int ionic_set_dma_mask(struct ionic *ionic); 77 int ionic_setup(struct ionic *ionic); 78 79 int ionic_identify(struct ionic *ionic); 80 int ionic_init(struct ionic *ionic); 81 int ionic_reset(struct ionic *ionic); 82 83 int ionic_port_identify(struct ionic *ionic); 84 int ionic_port_init(struct ionic *ionic); 85 int ionic_port_reset(struct ionic *ionic); 86 87 #endif /* _IONIC_H_ */ 88