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gunyah: rm: Adding vm resource manager related drivers for pineapple
This is just snapshot of kalama's vm rm driver from
'commit 5beb98404269 ("Merge "i3c: i3c-master-msm-geni: Fix
IBI for invalid device OR handler"")'from msm-5.15 branch.
Change-Id: Ie7c45b6a96a2ec390a73b7347d4bff8bd88d0350
Signed-off-by: Peng Yang <quic_penyan@quicinc.com>
This commit is contained in:
Peng Yang
Gerrit - the friendly Code Review server
parent
213f1c589f
commit
4b03d7f62b
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@ -44,4 +44,17 @@ config GH_MSGQ
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the services offered by the drivers is simply to send and receive
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messages in a blocking manner.
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config GH_RM_DRV
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tristate "Gunyah Resource Manager driver"
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help
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The Gunyah Resource Manager driver is used to communicate with the
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Resource Manager Virtual Machine (RM-VM). The RM-VM acts as a mediator
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and provides numerous services to the other VMs running in the system,
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such as notifying when a particular VM is up, resource (IRQ/device)
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sharing between VMs, information about the IPC mechanisms, and so on.
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The Resource Manager driver runs on the Virtual Machine and acts as an
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interface to other driver in order to obtain the services provided by
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the RM-VM.
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endif
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@ -2,3 +2,5 @@
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obj-$(CONFIG_GH_VIRT_WATCHDOG)+= gh_virt_wdt.o
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obj-$(CONFIG_GH_DBL) += gh_dbl.o
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obj-$(CONFIG_GH_MSGQ) += gh_msgq.o
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obj-$(CONFIG_GH_RM_DRV) += gh_rm_drv.o
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gh_rm_drv-y += gh_rm_core.o gh_rm_iface.o
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1616
drivers/virt/gunyah/gh_rm_core.c
Normal file
1616
drivers/virt/gunyah/gh_rm_core.c
Normal file
File diff suppressed because it is too large
Load Diff
461
drivers/virt/gunyah/gh_rm_drv_private.h
Normal file
461
drivers/virt/gunyah/gh_rm_drv_private.h
Normal file
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@ -0,0 +1,461 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
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*/
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#ifndef __GH_RM_DRV_PRIVATE_H
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#define __GH_RM_DRV_PRIVATE_H
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#include <linux/types.h>
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#include <linux/gunyah/gh_msgq.h>
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#include <linux/gunyah/gh_rm_drv.h>
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#include <linux/gunyah/gh_common.h>
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extern bool gh_rm_core_initialized;
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/* Resource Manager Header */
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struct gh_rm_rpc_hdr {
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u8 version:4,
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hdr_words:4;
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u8 type:2,
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fragments:6;
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u16 seq;
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u32 msg_id;
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} __packed;
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/* Standard reply header */
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struct gh_rm_rpc_reply_hdr {
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struct gh_rm_rpc_hdr rpc_hdr;
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u32 err_code;
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} __packed;
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/* VM specific properties to be cached */
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struct gh_vm_property {
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gh_vmid_t vmid;
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u8 *guid;
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char *uri;
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char *name;
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char *sign_auth;
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};
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/* RPC Header versions */
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#define GH_RM_RPC_HDR_VERSION_ONE 0x1
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/* RPC Header words */
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#define GH_RM_RPC_HDR_WORDS 0x2
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/* RPC Message types */
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#define GH_RM_RPC_TYPE_CONT 0x0
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#define GH_RM_RPC_TYPE_REQ 0x1
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#define GH_RM_RPC_TYPE_RPLY 0x2
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#define GH_RM_RPC_TYPE_NOTIF 0x3
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/* RPC Message IDs */
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/* Call type Message IDs that has a request/reply pattern */
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/* Message IDs: Informative */
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#define GH_RM_RPC_MSG_ID_CALL_GET_IDENT 0x00000001
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#define GH_RM_RPC_MSG_ID_CALL_GET_FEATURES 0x00000002
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/* Message IDs: Memory management */
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#define GH_RM_RPC_MSG_ID_CALL_MEM_DONATE 0x51000010
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#define GH_RM_RPC_MSG_ID_CALL_MEM_ACCEPT 0x51000011
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#define GH_RM_RPC_MSG_ID_CALL_MEM_LEND 0x51000012
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#define GH_RM_RPC_MSG_ID_CALL_MEM_SHARE 0x51000013
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#define GH_RM_RPC_MSG_ID_CALL_MEM_RELEASE 0x51000014
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#define GH_RM_RPC_MSG_ID_CALL_MEM_RECLAIM 0x51000015
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#define GH_RM_RPC_MSG_ID_CALL_MEM_NOTIFY 0x51000017
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#define GH_RM_RPC_MSG_ID_CALL_MEM_APPEND 0x51000018
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/* Message IDs: extensions for hyp-assign */
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#define GH_RM_RPC_MSG_ID_CALL_MEM_QCOM_LOOKUP_SGL 0x5100001A
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/* Message IDs: VM Management */
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#define GH_RM_RPC_MSG_ID_CALL_VM_ALLOCATE 0x56000001
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#define GH_RM_RPC_MSG_ID_CALL_VM_DEALLOCATE 0x56000002
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#define GH_RM_RPC_MSG_ID_CALL_VM_START 0x56000004
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#define GH_RM_RPC_MSG_ID_CALL_VM_STOP 0x56000005
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#define GH_RM_RPC_MSG_ID_CALL_VM_RESET 0x56000006
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#define GH_RM_RPC_MSG_ID_CALL_VM_CONFIG_IMAGE 0x56000009
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#define GH_RM_RPC_MSG_ID_CALL_VM_AUTH_IMAGE 0x5600000A
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#define GH_RM_RPC_MSG_ID_CALL_VM_INIT 0x5600000B
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/* Message IDs: VM Query */
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#define GH_RM_RPC_MSG_ID_CALL_VM_GET_ID 0x56000010
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#define GH_RM_RPC_MSG_ID_CALL_VM_LOOKUP_URI 0x56000011
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#define GH_RM_RPC_MSG_ID_CALL_VM_LOOKUP_GUID 0x56000012
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#define GH_RM_RPC_MSG_ID_CALL_VM_LOOKUP_NAME 0x56000013
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#define GH_RM_RPC_MSG_ID_CALL_VM_GET_STATE 0x56000017
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#define GH_RM_RPC_MSG_ID_CALL_VM_GET_HYP_RESOURCES 0x56000020
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#define GH_RM_RPC_MSG_ID_CALL_VM_LOOKUP_HYP_CAPIDS 0x56000021
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#define GH_RM_RPC_MSG_ID_CALL_VM_LOOKUP_HYP_IRQS 0X56000022
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/* Message IDs: vRTC Configuration */
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#define GH_RM_RPC_MSG_ID_CALL_VM_SET_TIME_BASE 0x56000030
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/* Message IDs: VM Configuration */
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_ACCEPT 0x56000050
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_LEND 0x56000051
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_RELEASE 0x56000052
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_RECLAIM 0x56000053
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_NOTIFY 0x56000054
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#define GH_RM_RPC_MSG_ID_CALL_VM_IRQ_UNMAP 0x56000055
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/* Message IDs: VM Services */
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#define GH_RM_RPC_MSG_ID_CALL_VM_SET_STATUS 0x56000080
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#define GH_RM_RPC_MSG_ID_CALL_VM_CONSOLE_OPEN 0x56000081
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#define GH_RM_RPC_MSG_ID_CALL_VM_CONSOLE_CLOSE 0x56000082
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#define GH_RM_RPC_MSG_ID_CALL_VM_CONSOLE_WRITE 0x56000083
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#define GH_RM_RPC_MSG_ID_CALL_VM_CONSOLE_FLUSH 0x56000084
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/* Message IDs: VM-Host Query */
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#define GH_RM_RPC_MSG_ID_CALL_VM_HOST_GET_TYPE 0x560000A0
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/* End Call type Message IDs */
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/* End RPC Message IDs */
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/* Call: VM_ALLOCATE */
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struct gh_vm_allocate_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_allocate_resp_payload {
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u32 vmid;
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} __packed;
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/* Call: VM_DEALLOCATE */
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struct gh_vm_deallocate_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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/* Call: VM_CONFIG_IMAGE */
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struct gh_vm_config_image_req_payload {
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gh_vmid_t vmid;
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u16 auth_mech;
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u32 mem_handle;
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u32 image_offset_low;
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u32 image_offset_high;
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u32 image_size_low;
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u32 image_size_high;
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u32 dtb_offset_low;
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u32 dtb_offset_high;
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u32 dtb_size_low;
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u32 dtb_size_high;
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} __packed;
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/* Call: VM_AUTH_IMAGE */
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struct gh_vm_auth_image_req_payload_hdr {
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gh_vmid_t vmid;
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u16 num_auth_params;
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} __packed;
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/* Call: VM_INIT */
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struct gh_vm_init_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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/* Call: VM_START */
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struct gh_vm_start_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_start_resp_payload {
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u32 response;
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} __packed;
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/* Call: VM_STOP */
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struct gh_vm_stop_req_payload {
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gh_vmid_t vmid;
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u8 flags;
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u8 reserved;
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u32 stop_reason;
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} __packed;
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/* Call: VM_RESET */
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struct gh_vm_reset_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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/* Call: VM_SET_STATUS */
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struct gh_vm_set_status_req_payload {
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u8 vm_status;
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u8 os_status;
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u16 app_status;
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} __packed;
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/* Call: VM_GET_STATE */
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struct gh_vm_get_state_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_get_state_resp_payload {
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u8 vm_status;
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u8 os_status;
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u16 app_status;
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} __packed;
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/* Call: CONSOLE_OPEN, CONSOLE_CLOSE, CONSOLE_FLUSH */
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struct gh_vm_console_common_req_payload {
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gh_vmid_t vmid;
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u16 reserved0;
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} __packed;
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/* Call: CONSOLE_WRITE */
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struct gh_vm_console_write_req_payload {
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gh_vmid_t vmid;
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u16 num_bytes;
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u8 data[0];
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} __packed;
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/* Call: GET_ID */
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#define GH_RM_ID_TYPE_GUID 0
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#define GH_RM_ID_TYPE_URI 1
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#define GH_RM_ID_TYPE_NAME 2
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#define GH_RM_ID_TYPE_SIGN_AUTH 3
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struct gh_vm_get_id_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_get_id_resp_entry {
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u8 id_type;
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u8 reserved;
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u16 id_size;
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char id_info[];
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} __packed;
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struct gh_vm_get_id_resp_payload {
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u32 n_id_entries;
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struct gh_vm_get_id_resp_entry resp_entries[];
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} __packed;
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enum gh_vm_lookup_type {
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GH_VM_LOOKUP_NAME,
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GH_VM_LOOKUP_URI,
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GH_VM_LOOKUP_GUID,
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};
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struct gh_vm_lookup_char_req_payload {
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u16 size;
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u16 reserved;
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char data[];
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} __packed;
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struct gh_vm_lookup_resp_entry {
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u16 vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_lookup_resp_payload {
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u32 n_id_entries;
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struct gh_vm_lookup_resp_entry resp_entries[];
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} __packed;
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/* Message ID headers */
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/* Call: VM_GET_HYP_RESOURCES */
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#define GH_RM_RES_TYPE_DB_TX 0
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#define GH_RM_RES_TYPE_DB_RX 1
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#define GH_RM_RES_TYPE_MQ_TX 2
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#define GH_RM_RES_TYPE_MQ_RX 3
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#define GH_RM_RES_TYPE_VCPU 4
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#define GH_RM_RES_TYPE_VPMGRP 5
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#define GH_RM_RES_TYPE_VIRTIO_MMIO 6
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#define GH_RM_RES_TYPE_WATCHDOG 8
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struct gh_vm_get_hyp_res_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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} __packed;
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struct gh_vm_get_hyp_res_resp_entry {
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u8 res_type;
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u8 reserved;
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gh_vmid_t partner_vmid;
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u32 resource_handle;
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u32 resource_label;
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u32 cap_id_low;
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u32 cap_id_high;
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u32 virq_handle;
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u32 virq;
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u32 base_low;
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u32 base_high;
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u32 size_low;
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u32 size_high;
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} __packed;
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struct gh_vm_get_hyp_res_resp_payload {
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u32 n_resource_entries;
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struct gh_vm_get_hyp_res_resp_entry resp_entries[];
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} __packed;
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/* Call: VM_SET_TIME_BASE */
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struct gh_vm_set_time_base_req_payload {
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gh_vmid_t vmid;
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u8 reserved0;
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u8 reserved1;
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u32 time_base_low;
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u32 time_base_high;
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u32 arch_timer_ref_low;
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u32 arch_timer_ref_high;
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} __packed;
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/* Call: VM_IRQ_ACCEPT */
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struct gh_vm_irq_accept_req_payload {
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gh_virq_handle_t virq_handle;
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s32 virq;
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} __packed;
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struct gh_vm_irq_accept_resp_payload {
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s32 virq;
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} __packed;
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/* Call: VM_IRQ_LEND */
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struct gh_vm_irq_lend_req_payload {
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gh_vmid_t vmid;
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u16 reserved;
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s32 virq;
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s32 label;
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} __packed;
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struct gh_vm_irq_lend_resp_payload {
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gh_virq_handle_t virq;
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} __packed;
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/* Call: VM_IRQ_NOTIFY */
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#define GH_VM_IRQ_NOTIFY_FLAGS_LENT BIT(0)
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#define GH_VM_IRQ_NOTIFY_FLAGS_RELEASED BIT(1)
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#define GH_VM_IRQ_NOTIFY_FLAGS_ACCEPTED BIT(2)
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/* Call: VM_IRQ_RELEASE */
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struct gh_vm_irq_release_req_payload {
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gh_virq_handle_t virq_handle;
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} __packed;
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/* Call: VM_IRQ_RECLAIM */
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struct gh_vm_irq_reclaim_req_payload {
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gh_virq_handle_t virq_handle;
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} __packed;
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struct gh_vm_irq_notify_req_payload {
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gh_virq_handle_t virq;
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u8 flags;
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u8 reserved0;
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u16 reserved1;
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struct __packed {
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u16 num_vmids;
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u16 reserved;
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struct __packed {
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gh_vmid_t vmid;
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u16 reserved;
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} vmids[0];
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} optional[0];
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} __packed;
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/* Call: MEM_QCOM_LOOKUP_SGL */
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/*
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* Split up the whole payload into a header and several trailing structs
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* to simplify allocation and treatment of packets with multiple flexible
|
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* array members.
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*/
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struct gh_mem_qcom_lookup_sgl_req_payload_hdr {
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u32 mem_type:8;
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u32 reserved:24;
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gh_label_t label;
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} __packed;
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struct gh_mem_qcom_lookup_sgl_resp_payload {
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gh_memparcel_handle_t memparcel_handle;
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} __packed;
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/* Call: MEM_RELEASE/MEM_RECLAIM */
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struct gh_mem_release_req_payload {
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gh_memparcel_handle_t memparcel_handle;
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u32 flags:8;
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u32 reserved:24;
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} __packed;
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/*
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* Call: MEM_ACCEPT
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*
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* Split up the whole payload into a header and several trailing structs
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* to simplify allocation and treatment of packets with multiple flexible
|
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* array members.
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*/
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struct gh_mem_accept_req_payload_hdr {
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gh_memparcel_handle_t memparcel_handle;
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u8 mem_type;
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u8 trans_type;
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u8 flags;
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u8 reserved1;
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u32 validate_label;
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} __packed;
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struct gh_mem_accept_resp_payload {
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u16 n_sgl_entries;
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u16 reserved;
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} __packed;
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/*
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* Call: MEM_LEND/MEM_SHARE
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*
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* Split up the whole payload into a header and several trailing structs
|
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* to simplify allocation and treatment of packets with multiple flexible
|
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* array members.
|
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*/
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struct gh_mem_share_req_payload_hdr {
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u8 mem_type;
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u8 reserved1;
|
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u8 flags;
|
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u8 reserved2;
|
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u32 label;
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} __packed;
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struct gh_mem_share_resp_payload {
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gh_memparcel_handle_t memparcel_handle;
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} __packed;
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/*
|
||||
* Call: MEM_APPEND
|
||||
*
|
||||
* Split up the whole payload into a header and several trailing structs
|
||||
* to simplify allocation and treatment of packets with multiple flexible
|
||||
* array members.
|
||||
*/
|
||||
struct gh_mem_append_req_payload_hdr {
|
||||
gh_memparcel_handle_t memparcel_handle;
|
||||
u32 flags:8;
|
||||
u32 reserved:24;
|
||||
} __packed;
|
||||
|
||||
/* Call: MEM_NOTIFY */
|
||||
struct gh_mem_notify_req_payload {
|
||||
gh_memparcel_handle_t memparcel_handle;
|
||||
u32 flags:8;
|
||||
u32 reserved1:24;
|
||||
gh_label_t mem_info_tag;
|
||||
} __packed;
|
||||
|
||||
/* End Message ID headers */
|
||||
|
||||
/* Common function declerations */
|
||||
void gh_init_vm_prop_table(void);
|
||||
int gh_update_vm_prop_table(enum gh_vm_names vm_name,
|
||||
struct gh_vm_property *vm_prop);
|
||||
void *gh_rm_call(gh_rm_msgid_t message_id,
|
||||
void *req_buff, size_t req_buff_size,
|
||||
size_t *resp_buff_size, int *reply_err_code);
|
||||
struct gh_vm_get_id_resp_entry *
|
||||
gh_rm_vm_get_id(gh_vmid_t vmid, u32 *out_n_entries);
|
||||
int gh_rm_vm_lookup(enum gh_vm_lookup_type type, const void *name,
|
||||
size_t size, gh_vmid_t *vmid);
|
||||
struct gh_vm_get_hyp_res_resp_entry *
|
||||
gh_rm_vm_get_hyp_res(gh_vmid_t vmid, u32 *out_n_entries);
|
||||
int gh_msgq_populate_cap_info(int label, u64 cap_id, int direction, int irq);
|
||||
#endif /* __GH_RM_DRV_PRIVATE_H */
|
||||
2283
drivers/virt/gunyah/gh_rm_iface.c
Normal file
2283
drivers/virt/gunyah/gh_rm_iface.c
Normal file
File diff suppressed because it is too large
Load Diff
|
|
@ -314,6 +314,7 @@ struct notifier_block;
|
|||
|
||||
typedef int (*gh_virtio_mmio_cb_t)(gh_vmid_t peer, const char *vm_name,
|
||||
gh_label_t label, gh_capid_t cap_id, int linux_irq, u64 base, u64 size);
|
||||
typedef int (*gh_wdog_manage_cb_t)(gh_vmid_t vmid, gh_capid_t cap_id, bool populate);
|
||||
typedef int (*gh_vcpu_affinity_set_cb_t)(gh_vmid_t vmid, gh_label_t label,
|
||||
gh_capid_t cap_id, int linux_irq);
|
||||
typedef int (*gh_vcpu_affinity_reset_cb_t)(gh_vmid_t vmid, gh_label_t label,
|
||||
|
|
@ -346,6 +347,7 @@ int gh_rm_vm_irq_reclaim(gh_virq_handle_t virq_handle);
|
|||
|
||||
int gh_rm_set_virtio_mmio_cb(gh_virtio_mmio_cb_t fnptr);
|
||||
void gh_rm_unset_virtio_mmio_cb(void);
|
||||
int gh_rm_set_wdog_manage_cb(gh_wdog_manage_cb_t fnptr);
|
||||
int gh_rm_set_vcpu_affinity_cb(gh_vcpu_affinity_set_cb_t fnptr);
|
||||
int gh_rm_reset_vcpu_affinity_cb(gh_vcpu_affinity_reset_cb_t fnptr);
|
||||
int gh_rm_set_vpm_grp_cb(gh_vpm_grp_set_cb_t fnptr);
|
||||
|
|
@ -661,6 +663,11 @@ static inline void gh_rm_unset_virtio_mmio_cb(void)
|
|||
|
||||
}
|
||||
|
||||
static inline int gh_rm_set_wdog_manage_cb(gh_wdog_manage_cb_t fnptr)
|
||||
{
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static inline int gh_rm_set_vcpu_affinity_cb(gh_vcpu_affinity_set_cb_t fnptr)
|
||||
{
|
||||
return -EINVAL;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user