projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 25d1270b SN |
1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* Copyright(c) 2023 Advanced Micro Devices, Inc */ | |
| 3 | ||
| 4 | #ifndef _VDPA_DEV_H_ | |
| 5 | #define _VDPA_DEV_H_ | |
| 6 | ||
| c16d5a41 SN |
7 | #include <linux/pci.h> |
| 8 | #include <linux/vdpa.h> | |
| 9 | ||
| 10 | struct pds_vdpa_vq_info { | |
| 11 | bool ready; | |
| 12 | u64 desc_addr; | |
| 13 | u64 avail_addr; | |
| 14 | u64 used_addr; | |
| 15 | u32 q_len; | |
| 16 | u16 qid; | |
| 17 | int irq; | |
| 18 | char irq_name[32]; | |
| 19 | ||
| 20 | void __iomem *notify; | |
| 21 | dma_addr_t notify_pa; | |
| 22 | ||
| 23 | u64 doorbell; | |
| 24 | u16 avail_idx; | |
| 25 | u16 used_idx; | |
| 25d1270b | 26 | |
| c16d5a41 SN |
27 | struct vdpa_callback event_cb; |
| 28 | struct pds_vdpa_device *pdsv; | |
| 29 | }; | |
| 30 | ||
| 31 | #define PDS_VDPA_MAX_QUEUES 65 | |
| 32 | #define PDS_VDPA_MAX_QLEN 32768 | |
| 25d1270b SN |
33 | struct pds_vdpa_device { |
| 34 | struct vdpa_device vdpa_dev; | |
| 35 | struct pds_vdpa_aux *vdpa_aux; | |
| c16d5a41 SN |
36 | |
| 37 | struct pds_vdpa_vq_info vqs[PDS_VDPA_MAX_QUEUES]; | |
| abdf31bd SN |
38 | u64 supported_features; /* supported device features */ |
| 39 | u64 negotiated_features; /* negotiated features */ | |
| c16d5a41 SN |
40 | u8 vdpa_index; /* rsvd for future subdevice use */ |
| 41 | u8 num_vqs; /* num vqs in use */ | |
| 0cd2c13b | 42 | u8 mac[ETH_ALEN]; /* mac selected when the device was added */ |
| c16d5a41 | 43 | struct vdpa_callback config_cb; |
| 67f27b8b | 44 | struct notifier_block nb; |
| 25d1270b SN |
45 | }; |
| 46 | ||
| 151cc834 SN |
47 | #define PDS_VDPA_PACKED_INVERT_IDX 0x8000 |
| 48 | ||
| 25d1270b SN |
49 | int pds_vdpa_get_mgmt_info(struct pds_vdpa_aux *vdpa_aux); |
| 50 | #endif /* _VDPA_DEV_H_ */ |