LXR linux/drivers/net/ethernet/pensando/ionic/ionic.h

   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
   7struct 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                  5
  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
  28struct 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
  40struct 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
  66struct ionic_admin_ctx {
  67        struct completion work;
  68        union ionic_adminq_cmd cmd;
  69        union ionic_adminq_comp comp;
  70};
  71
  72int ionic_adminq_post(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
  73int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
  74                      const int err, const bool do_msg);
  75int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
  76int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx);
  77void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
  78                                   u8 status, int err);
  79
  80int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_wait);
  81int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_wait);
  82void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
  83                                 int err);
  84int ionic_set_dma_mask(struct ionic *ionic);
  85int ionic_setup(struct ionic *ionic);
  86
  87int ionic_identify(struct ionic *ionic);
  88int ionic_init(struct ionic *ionic);
  89int ionic_reset(struct ionic *ionic);
  90
  91int ionic_port_identify(struct ionic *ionic);
  92int ionic_port_init(struct ionic *ionic);
  93int ionic_port_reset(struct ionic *ionic);
  94
  95const char *ionic_vf_attr_to_str(enum ionic_vf_attr attr);
  96
  97#endif /* _IONIC_H_ */
  98