20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
49 #define STEALCLOCK_NOT_AVAILABLE (-1)
57 			/* only for little-endian */
132 	u32 eax, ebx, ecx;  in __vmware_platform()  local
134 	eax = vmware_hypercall3(VMWARE_CMD_GETVERSION, 0, &ebx, &ecx);  in __vmware_platform()
155 early_param("no-vmw-sched-clock", setup_vmw_sched_clock);
162 early_param("no-steal-acc", parse_no_stealacc);
170 	ns -= vmware_cyc2ns.cyc2ns_offset;  in vmware_sched_clock()
179 	clocks_calc_mult_shift(&d->cyc2ns_mul, &d->cyc2ns_shift,  in vmware_cyc2ns_setup()
181 	d->cyc2ns_offset = mul_u64_u32_shr(tsc_now, d->cyc2ns_mul,  in vmware_cyc2ns_setup()
182 					   d->cyc2ns_shift);  in vmware_cyc2ns_setup()
184 	pr_info("using clock offset of %llu ns\n", d->cyc2ns_offset);  in vmware_cyc2ns_setup()
217  * vmware_steal_clock() - read the per-cpu steal clock
220  * The function reads the steal clock if we are on a 64-bit system, otherwise
233 		clock = READ_ONCE(steal->clock);  in vmware_steal_clock()
238 			initial_high = READ_ONCE(steal->clock_high);  in vmware_steal_clock()
241 			low = READ_ONCE(steal->clock_low);  in vmware_steal_clock()
244 			high = READ_ONCE(steal->clock_high);  in vmware_steal_clock()
267 	pr_info("vmware-stealtime: cpu %d, pa %llx\n",  in vmware_register_steal_time()
401 	u32 eax, ebx, ecx;  in vmware_platform_setup()  local
404 	eax = vmware_hypercall3(VMWARE_CMD_GETHZ, UINT_MAX, &ebx, &ecx);  in vmware_platform_setup()
408 		do_div(tsc_khz, 1000);  in vmware_platform_setup()
411 			(unsigned long) tsc_khz / 1000,  in vmware_platform_setup()
412 			(unsigned long) tsc_khz % 1000);  in vmware_platform_setup()
425 		lapic_timer_period = ecx / HZ;  in vmware_platform_setup()
427 			ecx);  in vmware_platform_setup()
447 	int eax, ebx, ecx, edx;  in vmware_select_hypercall()  local
449 	cpuid(CPUID_VMWARE_FEATURES_LEAF, &eax, &ebx, &ecx, &edx);  in vmware_select_hypercall()
450 	return (ecx & (CPUID_VMWARE_FEATURES_ECX_VMMCALL |  in vmware_select_hypercall()
486 /* Checks if hypervisor supports x2apic without VT-D interrupt remapping. */
553 	ghcb_set_rip(ghcb, regs->ip);  in vmware_sev_es_hcall_prepare()
554 	ghcb_set_rbx(ghcb, regs->bx);  in vmware_sev_es_hcall_prepare()
555 	ghcb_set_rcx(ghcb, regs->cx);  in vmware_sev_es_hcall_prepare()
556 	ghcb_set_rdx(ghcb, regs->dx);  in vmware_sev_es_hcall_prepare()
557 	ghcb_set_rsi(ghcb, regs->si);  in vmware_sev_es_hcall_prepare()
558 	ghcb_set_rdi(ghcb, regs->di);  in vmware_sev_es_hcall_prepare()
559 	ghcb_set_rbp(ghcb, regs->bp);  in vmware_sev_es_hcall_prepare()
572 	regs->bx = ghcb_get_rbx(ghcb);  in vmware_sev_es_hcall_finish()
573 	regs->cx = ghcb_get_rcx(ghcb);  in vmware_sev_es_hcall_finish()
574 	regs->dx = ghcb_get_rdx(ghcb);  in vmware_sev_es_hcall_finish()
575 	regs->si = ghcb_get_rsi(ghcb);  in vmware_sev_es_hcall_finish()
576 	regs->di = ghcb_get_rdi(ghcb);  in vmware_sev_es_hcall_finish()
577 	regs->bp = ghcb_get_rbp(ghcb);  in vmware_sev_es_hcall_finish()