diff options
Diffstat (limited to 'drivers/virt/acrn/hsm.c')
-rw-r--r-- | drivers/virt/acrn/hsm.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/virt/acrn/hsm.c b/drivers/virt/acrn/hsm.c index 2c40d3dc5e94..1cc0c612dc09 100644 --- a/drivers/virt/acrn/hsm.c +++ b/drivers/virt/acrn/hsm.c @@ -48,6 +48,7 @@ static long acrn_dev_ioctl(struct file *filp, unsigned int cmd, struct acrn_vm *vm = filp->private_data; struct acrn_vm_creation *vm_param; struct acrn_vcpu_regs *cpu_regs; + struct acrn_ioreq_notify notify; struct acrn_vm_memmap memmap; int i, ret = 0; @@ -147,6 +148,35 @@ static long acrn_dev_ioctl(struct file *filp, unsigned int cmd, ret = acrn_vm_memseg_unmap(vm, &memmap); break; + case ACRN_IOCTL_CREATE_IOREQ_CLIENT: + if (vm->default_client) + return -EEXIST; + if (!acrn_ioreq_client_create(vm, NULL, NULL, true, "acrndm")) + ret = -EINVAL; + break; + case ACRN_IOCTL_DESTROY_IOREQ_CLIENT: + if (vm->default_client) + acrn_ioreq_client_destroy(vm->default_client); + break; + case ACRN_IOCTL_ATTACH_IOREQ_CLIENT: + if (vm->default_client) + ret = acrn_ioreq_client_wait(vm->default_client); + else + ret = -ENODEV; + break; + case ACRN_IOCTL_NOTIFY_REQUEST_FINISH: + if (copy_from_user(¬ify, (void __user *)ioctl_param, + sizeof(struct acrn_ioreq_notify))) + return -EFAULT; + + if (notify.reserved != 0) + return -EINVAL; + + ret = acrn_ioreq_request_default_complete(vm, notify.vcpu); + break; + case ACRN_IOCTL_CLEAR_VM_IOREQ: + acrn_ioreq_request_clear(vm); + break; default: dev_dbg(acrn_dev.this_device, "Unknown IOCTL 0x%x!\n", cmd); ret = -ENOTTY; @@ -188,14 +218,23 @@ static int __init hsm_init(void) return -EPERM; ret = misc_register(&acrn_dev); - if (ret) + if (ret) { pr_err("Create misc dev failed!\n"); + return ret; + } - return ret; + ret = acrn_ioreq_intr_setup(); + if (ret) { + pr_err("Setup I/O request handler failed!\n"); + misc_deregister(&acrn_dev); + return ret; + } + return 0; } static void __exit hsm_exit(void) { + acrn_ioreq_intr_remove(); misc_deregister(&acrn_dev); } module_init(hsm_init); |