20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
55 #define STEALCLOCK_NOT_AVAILABLE (-1)
101 			/* only for little-endian */
116 	return eax != (uint32_t)-1 && ebx == VMWARE_HYPERVISOR_MAGIC;  in __vmware_platform()
136 early_param("no-vmw-sched-clock", setup_vmw_sched_clock);
143 early_param("no-steal-acc", parse_no_stealacc);
151 	ns -= vmware_cyc2ns.cyc2ns_offset;  in vmware_sched_clock()
160 	clocks_calc_mult_shift(&d->cyc2ns_mul, &d->cyc2ns_shift,  in vmware_cyc2ns_setup()
162 	d->cyc2ns_offset = mul_u64_u32_shr(tsc_now, d->cyc2ns_mul,  in vmware_cyc2ns_setup()
163 					   d->cyc2ns_shift);  in vmware_cyc2ns_setup()
165 	pr_info("using clock offset of %llu ns\n", d->cyc2ns_offset);  in vmware_cyc2ns_setup()
207  * vmware_steal_clock() - read the per-cpu steal clock
210  * The function reads the steal clock if we are on a 64-bit system, otherwise
223 		clock = READ_ONCE(steal->clock);  in vmware_steal_clock()
225 		uint32_t initial_high, low, high;  in vmware_steal_clock()  local
228 			initial_high = READ_ONCE(steal->clock_high);  in vmware_steal_clock()
231 			low = READ_ONCE(steal->clock_low);  in vmware_steal_clock()
232 			/* Keep low reading in between */  in vmware_steal_clock()
234 			high = READ_ONCE(steal->clock_high);  in vmware_steal_clock()
237 		clock = ((uint64_t)high << 32) | low;  in vmware_steal_clock()
257 	pr_info("vmware-stealtime: cpu %d, pa %llx\n",  in vmware_register_steal_time()
471 /* Checks if hypervisor supports x2apic without VT-D interrupt remapping. */
485 	ghcb_set_rip(ghcb, regs->ip);  in vmware_sev_es_hcall_prepare()
486 	ghcb_set_rbx(ghcb, regs->bx);  in vmware_sev_es_hcall_prepare()
487 	ghcb_set_rcx(ghcb, regs->cx);  in vmware_sev_es_hcall_prepare()
488 	ghcb_set_rdx(ghcb, regs->dx);  in vmware_sev_es_hcall_prepare()
489 	ghcb_set_rsi(ghcb, regs->si);  in vmware_sev_es_hcall_prepare()
490 	ghcb_set_rdi(ghcb, regs->di);  in vmware_sev_es_hcall_prepare()
491 	ghcb_set_rbp(ghcb, regs->bp);  in vmware_sev_es_hcall_prepare()
504 	regs->bx = ghcb->save.rbx;  in vmware_sev_es_hcall_finish()
505 	regs->cx = ghcb->save.rcx;  in vmware_sev_es_hcall_finish()
506 	regs->dx = ghcb->save.rdx;  in vmware_sev_es_hcall_finish()
507 	regs->si = ghcb->save.rsi;  in vmware_sev_es_hcall_finish()
508 	regs->di = ghcb->save.rdi;  in vmware_sev_es_hcall_finish()
509 	regs->bp = ghcb->save.rbp;  in vmware_sev_es_hcall_finish()