This source file includes following definitions.
- vmci_get_context_id
- vmci_drv_init
- vmci_drv_exit
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8 #include <linux/vmw_vmci_defs.h>
9 #include <linux/vmw_vmci_api.h>
10 #include <linux/atomic.h>
11 #include <linux/kernel.h>
12 #include <linux/module.h>
13 #include <linux/init.h>
14
15 #include "vmci_driver.h"
16 #include "vmci_event.h"
17
18 static bool vmci_disable_host;
19 module_param_named(disable_host, vmci_disable_host, bool, 0);
20 MODULE_PARM_DESC(disable_host,
21 "Disable driver host personality (default=enabled)");
22
23 static bool vmci_disable_guest;
24 module_param_named(disable_guest, vmci_disable_guest, bool, 0);
25 MODULE_PARM_DESC(disable_guest,
26 "Disable driver guest personality (default=enabled)");
27
28 static bool vmci_guest_personality_initialized;
29 static bool vmci_host_personality_initialized;
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37 u32 vmci_get_context_id(void)
38 {
39 if (vmci_guest_code_active())
40 return vmci_get_vm_context_id();
41 else if (vmci_host_code_active())
42 return VMCI_HOST_CONTEXT_ID;
43
44 return VMCI_INVALID_ID;
45 }
46 EXPORT_SYMBOL_GPL(vmci_get_context_id);
47
48 static int __init vmci_drv_init(void)
49 {
50 int vmci_err;
51 int error;
52
53 vmci_err = vmci_event_init();
54 if (vmci_err < VMCI_SUCCESS) {
55 pr_err("Failed to initialize VMCIEvent (result=%d)\n",
56 vmci_err);
57 return -EINVAL;
58 }
59
60 if (!vmci_disable_guest) {
61 error = vmci_guest_init();
62 if (error) {
63 pr_warn("Failed to initialize guest personality (err=%d)\n",
64 error);
65 } else {
66 vmci_guest_personality_initialized = true;
67 pr_info("Guest personality initialized and is %s\n",
68 vmci_guest_code_active() ?
69 "active" : "inactive");
70 }
71 }
72
73 if (!vmci_disable_host) {
74 error = vmci_host_init();
75 if (error) {
76 pr_warn("Unable to initialize host personality (err=%d)\n",
77 error);
78 } else {
79 vmci_host_personality_initialized = true;
80 pr_info("Initialized host personality\n");
81 }
82 }
83
84 if (!vmci_guest_personality_initialized &&
85 !vmci_host_personality_initialized) {
86 vmci_event_exit();
87 return -ENODEV;
88 }
89
90 return 0;
91 }
92 module_init(vmci_drv_init);
93
94 static void __exit vmci_drv_exit(void)
95 {
96 if (vmci_guest_personality_initialized)
97 vmci_guest_exit();
98
99 if (vmci_host_personality_initialized)
100 vmci_host_exit();
101
102 vmci_event_exit();
103 }
104 module_exit(vmci_drv_exit);
105
106 MODULE_AUTHOR("VMware, Inc.");
107 MODULE_DESCRIPTION("VMware Virtual Machine Communication Interface.");
108 MODULE_VERSION("1.1.6.0-k");
109 MODULE_LICENSE("GPL v2");