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