1 /* SPDX-License-Identifier: GPL-2.0 or MIT */
12  * - Low bandwidth (LB) hypercalls (I/O port based, vmcall and vmmcall)
17  * arg0 - VMWARE_HYPERVISOR_MAGIC
18  * arg2 - Hypercall command
19  * arg3 bits [15:0] - Port number, LB and direction flags
21  * - Low bandwidth TDX hypercalls (x86_64 only) are similar to LB
27  * - High bandwidth (HB) hypercalls are I/O port based only. They have
32  * arg0 - VMWARE_HYPERVISOR_MAGIC
33  * arg1 - Hypercall command
34  * arg3 bits [15:0] - Port number, HB and direction flags
41  * number to distinguish between high- and low bandwidth versions, and
66  *   bits [19:16] sub-command, range [0, 15]
74 					   unsigned long in1, unsigned long in3,
83 					  unsigned long in1, unsigned long in3,
174 				unsigned long in3, unsigned long in4,  in vmware_hypercall5()  argument
180 		return vmware_tdx_hypercall(cmd, in1, in3, in4, in5,  in vmware_hypercall5()
184 		return vmware_hypercall_slow(cmd, in1, in3, in4, in5,  in vmware_hypercall5()
193 		  "d" (in3),  in vmware_hypercall5()
202 				unsigned long in3, u32 *out2,  in vmware_hypercall6()  argument
208 		return vmware_tdx_hypercall(cmd, in1, in3, 0, 0,  in vmware_hypercall6()
212 		return vmware_hypercall_slow(cmd, in1, in3, 0, 0,  in vmware_hypercall6()
222 		  "d" (in3)  in vmware_hypercall6()
229 				unsigned long in3, unsigned long in4,  in vmware_hypercall7()  argument
236 		return vmware_tdx_hypercall(cmd, in1, in3, in4, in5,  in vmware_hypercall7()
240 		return vmware_hypercall_slow(cmd, in1, in3, in4, in5,  in vmware_hypercall7()
249 		  "d" (in3),  in vmware_hypercall7()
270 unsigned long vmware_hypercall_hb_out(unsigned long cmd, unsigned long in2,  in vmware_hypercall_hb_out()  argument
271 				      unsigned long in3, unsigned long in4,  in vmware_hypercall_hb_out()  argument
288 		  "c" (in2),  in vmware_hypercall_hb_out()
289 		  "d" (in3 | VMWARE_HYPERVISOR_PORT_HB),  in vmware_hypercall_hb_out()
298 unsigned long vmware_hypercall_hb_in(unsigned long cmd, unsigned long in2,  in vmware_hypercall_hb_in()  argument
299 				     unsigned long in3, unsigned long in4,  in vmware_hypercall_hb_in()  argument
316 		  "c" (in2),  in vmware_hypercall_hb_in()
317 		  "d" (in3 | VMWARE_HYPERVISOR_PORT_HB),  in vmware_hypercall_hb_in()