include/linux/pds/pds_common.h

   1 /* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
   2 /* Copyright(c) 2023 Advanced Micro Devices, Inc. */
   3
   4 #ifndef _PDS_COMMON_H_
   5 #define _PDS_COMMON_H_
   6
   7 #include <linux/notifier.h>
   8
   9 #define PDS_CORE_DRV_NAME                       "pds_core"
  10
  11 /* the device's internal addressing uses up to 52 bits */
  12 #define PDS_CORE_ADDR_LEN       52
  13 #define PDS_CORE_ADDR_MASK      (BIT_ULL(PDS_ADDR_LEN) - 1)
  14 #define PDS_PAGE_SIZE           4096
  15
  16 enum pds_core_driver_type {
  17         PDS_DRIVER_LINUX   = 1,
  18         PDS_DRIVER_WIN     = 2,
  19         PDS_DRIVER_DPDK    = 3,
  20         PDS_DRIVER_FREEBSD = 4,
  21         PDS_DRIVER_IPXE    = 5,
  22         PDS_DRIVER_ESXI    = 6,
  23 };
  24
  25 enum pds_core_vif_types {
  26         PDS_DEV_TYPE_CORE       = 0,
  27         PDS_DEV_TYPE_VDPA       = 1,
  28         PDS_DEV_TYPE_VFIO       = 2,
  29         PDS_DEV_TYPE_ETH        = 3,
  30         PDS_DEV_TYPE_RDMA       = 4,
  31         PDS_DEV_TYPE_LM         = 5,
  32
  33         /* new ones added before this line */
  34         PDS_DEV_TYPE_MAX        = 16   /* don't change - used in struct size */
  35 };
  36
  37 #define PDS_DEV_TYPE_CORE_STR   "Core"
  38 #define PDS_DEV_TYPE_VDPA_STR   "vDPA"
  39 #define PDS_DEV_TYPE_VFIO_STR   "vfio"
  40 #define PDS_DEV_TYPE_ETH_STR    "Eth"
  41 #define PDS_DEV_TYPE_RDMA_STR   "RDMA"
  42 #define PDS_DEV_TYPE_LM_STR     "LM"
  43
  44 #define PDS_VDPA_DEV_NAME       PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
  45 #define PDS_VFIO_LM_DEV_NAME    PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
  46
  47 struct pdsc;
  48
  49 int pdsc_register_notify(struct notifier_block *nb);
  50 void pdsc_unregister_notify(struct notifier_block *nb);
  51 void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
  52 int pds_client_register(struct pdsc *pf, char *devname);
  53 int pds_client_unregister(struct pdsc *pf, u16 client_id);
  54 #endif /* _PDS_COMMON_H_ */