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rename 'req_buf' field in 'struct vm_sw_info'

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- rename it to 'io_shared_page' to keep consistent
   with ACRN HDL foils.

 - update related code that reference this data structure.

Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang 2018-05-07 19:19:02 +08:00 committed by lijinxia
parent 0d5405a648
commit e12210a014
5 changed files with 17 additions and 16 deletions
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2
arch/x86/ept.c
View File

@ -353,7 +353,7 @@ int dm_emulate_mmio_post(struct vcpu *vcpu)
int cur = vcpu->vcpu_id;
struct vhm_request_buffer *req_buf;
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.req_buf);
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.io_shared_page);
vcpu->req.reqs.mmio_request.value =
req_buf->req_queue[cur].reqs.mmio_request.value;

2
arch/x86/guest/vm.c
View File

@ -169,7 +169,7 @@ int create_vm(struct vm_description *vm_desc, struct vm **rtn_vm)
/* Populate return VM handle */
*rtn_vm = vm;
vm->sw.req_buf = NULL;
vm->sw.io_shared_page = NULL;
status = set_vcpuid_entries(vm);
if (status)

2
arch/x86/io.c
View File

@ -44,7 +44,7 @@ int dm_emulate_pio_post(struct vcpu *vcpu)
0xFFFFFFFFul >> (32 - 8 * vcpu->req.reqs.pio_request.size);
uint64_t *rax;
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.req_buf);
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.io_shared_page);
rax = &vcpu->arch_vcpu.contexts[cur_context].guest_cpu_regs.regs.rax;
vcpu->req.reqs.pio_request.value =

23
common/hypercall.c
View File

@ -212,7 +212,7 @@ int64_t hcall_resume_vm(uint64_t vmid)
if (target_vm == NULL)
return -1;
if (target_vm->sw.req_buf == NULL)
if (target_vm->sw.io_shared_page == NULL)
ret = -1;
else
ret = start_vm(target_vm);
@ -342,11 +342,11 @@ int64_t hcall_set_ioreq_buffer(struct vm *vm, uint64_t vmid, uint64_t param)
hpa = gpa2hpa(vm, iobuf.req_buf);
if (hpa == 0) {
pr_err("%s: invalid GPA.\n", __func__);
target_vm->sw.req_buf = NULL;
target_vm->sw.io_shared_page = NULL;
return -EINVAL;
}
target_vm->sw.req_buf = HPA2HVA(hpa);
target_vm->sw.io_shared_page = HPA2HVA(hpa);
return ret;
}
@ -360,7 +360,8 @@ static void complete_request(struct vcpu *vcpu)
if (vcpu->state == VCPU_ZOMBIE) {
struct vhm_request_buffer *req_buf;
req_buf = (struct vhm_request_buffer *)vcpu->vm->sw.req_buf;
req_buf = (struct vhm_request_buffer *)
vcpu->vm->sw.io_shared_page;
req_buf->req_queue[vcpu->vcpu_id].valid = false;
atomic_store_rel_32(&vcpu->ioreq_pending, 0);
@ -392,7 +393,7 @@ int64_t hcall_notify_req_finish(uint64_t vmid, uint64_t vcpu_id)
struct vm *target_vm = get_vm_from_vmid(vmid);
/* make sure we have set req_buf */
if (!target_vm || target_vm->sw.req_buf == NULL)
if (!target_vm || target_vm->sw.io_shared_page == NULL)
return -EINVAL;
dev_dbg(ACRN_DBG_HYCALL, "[%d] NOTIFY_FINISH for vcpu %d",
@ -401,7 +402,7 @@ int64_t hcall_notify_req_finish(uint64_t vmid, uint64_t vcpu_id)
vcpu = vcpu_from_vid(target_vm, vcpu_id);
ASSERT(vcpu != NULL, "Failed to get VCPU context.");
req_buf = (struct vhm_request_buffer *)target_vm->sw.req_buf;
req_buf = (struct vhm_request_buffer *)target_vm->sw.io_shared_page;
req = req_buf->req_queue + vcpu_id;
if (req->valid &&
@ -826,10 +827,10 @@ int acrn_insert_request_wait(struct vcpu *vcpu, struct vhm_request *req)
"vhm_request page broken!");
if (!vcpu || !req || vcpu->vm->sw.req_buf == NULL)
if (!vcpu || !req || vcpu->vm->sw.io_shared_page == NULL)
return -EINVAL;
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.req_buf);
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.io_shared_page);
/* ACRN insert request to VHM and inject upcall */
cur = vcpu->vcpu_id;
@ -860,10 +861,10 @@ int acrn_insert_request_nowait(struct vcpu *vcpu, struct vhm_request *req)
struct vhm_request_buffer *req_buf;
long cur;
if (!vcpu || !req || !vcpu->vm->sw.req_buf)
if (!vcpu || !req || !vcpu->vm->sw.io_shared_page)
return -EINVAL;
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.req_buf);
req_buf = (struct vhm_request_buffer *)(vcpu->vm->sw.io_shared_page);
/* ACRN insert request to VHM and inject upcall */
cur = vcpu->vcpu_id;
@ -944,7 +945,7 @@ int get_req_info(char *str, int str_max)
spinlock_obtain(&vm_list_lock);
list_for_each(pos, &vm_list) {
vm = list_entry(pos, struct vm, list);
req_buf = (struct vhm_request_buffer *)vm->sw.req_buf;
req_buf = (struct vhm_request_buffer *)vm->sw.io_shared_page;
if (req_buf) {
for (i = 0; i < VHM_REQUEST_MAX; i++) {
req = req_buf->req_queue + i;

4
include/arch/x86/guest/vm.h
View File

@ -76,8 +76,8 @@ struct vm_sw_info {
struct sw_kernel_info kernel_info;
/* Additional information specific to Linux guests */
struct sw_linux linux_info;
/* HVA to guest OS's request buffer */
void *req_buf;
/* HVA to IO shared page */
void *io_shared_page;
};
struct vm_pm_info {