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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/misc/vmw_vmci/vmci_doorbell.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_doorbell.h')
-rw-r--r-- | drivers/misc/vmw_vmci/vmci_doorbell.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.h b/drivers/misc/vmw_vmci/vmci_doorbell.h new file mode 100644 index 000000000..1dfb388d0 --- /dev/null +++ b/drivers/misc/vmw_vmci/vmci_doorbell.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * VMware VMCI Driver + * + * Copyright (C) 2012 VMware, Inc. All rights reserved. + */ + +#ifndef VMCI_DOORBELL_H +#define VMCI_DOORBELL_H + +#include <linux/vmw_vmci_defs.h> +#include <linux/types.h> + +#include "vmci_driver.h" + +/* + * VMCINotifyResourceInfo: Used to create and destroy doorbells, and + * generate a notification for a doorbell or queue pair. + */ +struct vmci_dbell_notify_resource_info { + struct vmci_handle handle; + u16 resource; + u16 action; + s32 result; +}; + +/* + * Structure used for checkpointing the doorbell mappings. It is + * written to the checkpoint as is, so changing this structure will + * break checkpoint compatibility. + */ +struct dbell_cpt_state { + struct vmci_handle handle; + u64 bitmap_idx; +}; + +int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle); +int vmci_dbell_get_priv_flags(struct vmci_handle handle, u32 *priv_flags); + +bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn); +void vmci_dbell_scan_notification_entries(u8 *bitmap); + +#endif /* VMCI_DOORBELL_H */ |