diff options
Diffstat (limited to 'drivers/vdpa/solidrun/snet_vdpa.h')
| -rw-r--r-- | drivers/vdpa/solidrun/snet_vdpa.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/vdpa/solidrun/snet_vdpa.h b/drivers/vdpa/solidrun/snet_vdpa.h index b7f34169053f..3c78d4e7d485 100644 --- a/drivers/vdpa/solidrun/snet_vdpa.h +++ b/drivers/vdpa/solidrun/snet_vdpa.h @@ -2,7 +2,7 @@ /* * SolidRun DPU driver for control plane * - * Copyright (C) 2022 SolidRun + * Copyright (C) 2022-2023 SolidRun * * Author: Alvaro Karsz <alvaro.karsz@solid-run.com> * @@ -20,10 +20,15 @@ #define SNET_INFO(pdev, fmt, ...) dev_info(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__) #define SNET_DBG(pdev, fmt, ...) dev_dbg(&(pdev)->dev, "%s"fmt, "snet_vdpa: ", ##__VA_ARGS__) #define SNET_HAS_FEATURE(s, f) ((s)->negotiated_features & BIT_ULL(f)) +/* Check if negotiated config version is at least @ver */ +#define SNET_CFG_VER(snet, ver) ((snet)->psnet->negotiated_cfg_ver >= (ver)) + /* VQ struct */ struct snet_vq { /* VQ callback */ struct vdpa_callback cb; + /* VQ state received from bus */ + struct vdpa_vq_state vq_state; /* desc base address */ u64 desc_area; /* device base address */ @@ -51,6 +56,10 @@ struct snet { struct vdpa_device vdpa; /* Config callback */ struct vdpa_callback cb; + /* To lock the control mechanism */ + struct mutex ctrl_lock; + /* Spinlock to protect critical parts in the control mechanism */ + spinlock_t ctrl_spinlock; /* array of virqueues */ struct snet_vq **vqs; /* Used features */ @@ -117,8 +126,8 @@ struct snet_cfg { u32 kick_off; /* Offset in PCI BAR for HW monitoring */ u32 hwmon_off; - /* Offset in PCI BAR for SNET messages */ - u32 msg_off; + /* Offset in PCI BAR for Control mechanism */ + u32 ctrl_off; /* Config general flags - enum snet_cfg_flags */ u32 flags; /* Reserved for future usage */ @@ -191,4 +200,9 @@ static inline void snet_write64(struct snet *snet, u32 off, u64 val) void psnet_create_hwmon(struct pci_dev *pdev); #endif +void snet_ctrl_clear(struct snet *snet); +int snet_destroy_dev(struct snet *snet); +int snet_read_vq_state(struct snet *snet, u16 idx, struct vdpa_vq_state *state); +int snet_suspend_dev(struct snet *snet); + #endif //_SNET_VDPA_H_ |