67f27b8b3a
Register for the pds_core's notification events, primarily to find out when the FW has been reset so we can pass this on back up the chain. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20230519215632.12343-11-shannon.nelson@amd.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/* Copyright(c) 2023 Advanced Micro Devices, Inc */
|
|
|
|
#ifndef _VDPA_DEV_H_
|
|
#define _VDPA_DEV_H_
|
|
|
|
#include <linux/pci.h>
|
|
#include <linux/vdpa.h>
|
|
|
|
struct pds_vdpa_vq_info {
|
|
bool ready;
|
|
u64 desc_addr;
|
|
u64 avail_addr;
|
|
u64 used_addr;
|
|
u32 q_len;
|
|
u16 qid;
|
|
int irq;
|
|
char irq_name[32];
|
|
|
|
void __iomem *notify;
|
|
dma_addr_t notify_pa;
|
|
|
|
u64 doorbell;
|
|
u16 avail_idx;
|
|
u16 used_idx;
|
|
|
|
struct vdpa_callback event_cb;
|
|
struct pds_vdpa_device *pdsv;
|
|
};
|
|
|
|
#define PDS_VDPA_MAX_QUEUES 65
|
|
#define PDS_VDPA_MAX_QLEN 32768
|
|
struct pds_vdpa_device {
|
|
struct vdpa_device vdpa_dev;
|
|
struct pds_vdpa_aux *vdpa_aux;
|
|
|
|
struct pds_vdpa_vq_info vqs[PDS_VDPA_MAX_QUEUES];
|
|
u64 supported_features; /* specified device features */
|
|
u64 req_features; /* features requested by vdpa */
|
|
u8 vdpa_index; /* rsvd for future subdevice use */
|
|
u8 num_vqs; /* num vqs in use */
|
|
struct vdpa_callback config_cb;
|
|
struct notifier_block nb;
|
|
};
|
|
|
|
#define PDS_VDPA_PACKED_INVERT_IDX 0x8000
|
|
|
|
int pds_vdpa_get_mgmt_info(struct pds_vdpa_aux *vdpa_aux);
|
|
#endif /* _VDPA_DEV_H_ */
|