| hyperv.c (256071) | hyperv.c (256276) |
|---|---|
| 1/*- 2 * Copyright (c) 2009-2012 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/** 30 * Implements low-level interactions with Hypver-V/Azure 31 */ 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2009-2012 Microsoft Corp. 3 * Copyright (c) 2012 NetApp Inc. 4 * Copyright (c) 2012 Citrix Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 16 unchanged lines hidden (view full) --- 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/** 30 * Implements low-level interactions with Hypver-V/Azure 31 */ 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/dev/hyperv/vmbus/hv_hv.c 256071 2013-10-05 19:51:09Z gibbs $"); | 33__FBSDID("$FreeBSD: head/sys/dev/hyperv/vmbus/hv_hv.c 256276 2013-10-10 16:25:53Z dim $"); |
| 34 35#include <sys/param.h> 36#include <sys/malloc.h> 37#include <sys/pcpu.h> 38#include <sys/timetc.h> 39#include <machine/bus.h> 40#include <vm/vm.h> 41#include <vm/vm_param.h> --- 193 unchanged lines hidden (view full) --- 235 */ 236 hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL); 237 virt_addr = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT | M_ZERO); 238 KASSERT(virt_addr != NULL, 239 ("Error VMBUS: malloc failed to allocate page during init!")); 240 if (virt_addr == NULL) 241 goto cleanup; 242 | 34 35#include <sys/param.h> 36#include <sys/malloc.h> 37#include <sys/pcpu.h> 38#include <sys/timetc.h> 39#include <machine/bus.h> 40#include <vm/vm.h> 41#include <vm/vm_param.h> --- 193 unchanged lines hidden (view full) --- 235 */ 236 hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL); 237 virt_addr = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT | M_ZERO); 238 KASSERT(virt_addr != NULL, 239 ("Error VMBUS: malloc failed to allocate page during init!")); 240 if (virt_addr == NULL) 241 goto cleanup; 242 |
| 243 hypercall_msr.enable = 1; 244 hypercall_msr.guest_physical_address = | 243 hypercall_msr.u.enable = 1; 244 hypercall_msr.u.guest_physical_address = |
| 245 (hv_get_phys_addr(virt_addr) >> PAGE_SHIFT); 246 wrmsr(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64_t); 247 248 /* 249 * Confirm that hypercall page did get set up 250 */ 251 hypercall_msr.as_uint64_t = 0; 252 hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL); 253 | 245 (hv_get_phys_addr(virt_addr) >> PAGE_SHIFT); 246 wrmsr(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64_t); 247 248 /* 249 * Confirm that hypercall page did get set up 250 */ 251 hypercall_msr.as_uint64_t = 0; 252 hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL); 253 |
| 254 if (!hypercall_msr.enable) | 254 if (!hypercall_msr.u.enable) |
| 255 goto cleanup; 256 257 hv_vmbus_g_context.hypercall_page = virt_addr; 258 259 /* 260 * Setup the global signal event param for the signal event hypercall 261 */ 262 hv_vmbus_g_context.signal_event_buffer = --- 16 unchanged lines hidden (view full) --- 279 hv_vmbus_g_context.signal_event_param->rsvd_z = 0; 280 281 tc_init(&hv_timecounter); /* register virtual timecount */ 282 283 return (0); 284 285 cleanup: 286 if (virt_addr != NULL) { | 255 goto cleanup; 256 257 hv_vmbus_g_context.hypercall_page = virt_addr; 258 259 /* 260 * Setup the global signal event param for the signal event hypercall 261 */ 262 hv_vmbus_g_context.signal_event_buffer = --- 16 unchanged lines hidden (view full) --- 279 hv_vmbus_g_context.signal_event_param->rsvd_z = 0; 280 281 tc_init(&hv_timecounter); /* register virtual timecount */ 282 283 return (0); 284 285 cleanup: 286 if (virt_addr != NULL) { |
| 287 if (hypercall_msr.enable) { | 287 if (hypercall_msr.u.enable) { |
| 288 hypercall_msr.as_uint64_t = 0; 289 wrmsr(HV_X64_MSR_HYPERCALL, 290 hypercall_msr.as_uint64_t); 291 } 292 293 free(virt_addr, M_DEVBUF); 294 } 295 return (ENOTSUP); --- 125 unchanged lines hidden (view full) --- 421 hv_vmbus_g_context.syn_ic_msg_page[cpu] = setup_args->page_buffers[0]; 422 hv_vmbus_g_context.syn_ic_event_page[cpu] = setup_args->page_buffers[1]; 423 424 /* 425 * Setup the Synic's message page 426 */ 427 428 simp.as_uint64_t = rdmsr(HV_X64_MSR_SIMP); | 288 hypercall_msr.as_uint64_t = 0; 289 wrmsr(HV_X64_MSR_HYPERCALL, 290 hypercall_msr.as_uint64_t); 291 } 292 293 free(virt_addr, M_DEVBUF); 294 } 295 return (ENOTSUP); --- 125 unchanged lines hidden (view full) --- 421 hv_vmbus_g_context.syn_ic_msg_page[cpu] = setup_args->page_buffers[0]; 422 hv_vmbus_g_context.syn_ic_event_page[cpu] = setup_args->page_buffers[1]; 423 424 /* 425 * Setup the Synic's message page 426 */ 427 428 simp.as_uint64_t = rdmsr(HV_X64_MSR_SIMP); |
| 429 simp.simp_enabled = 1; 430 simp.base_simp_gpa = ((hv_get_phys_addr( | 429 simp.u.simp_enabled = 1; 430 simp.u.base_simp_gpa = ((hv_get_phys_addr( |
| 431 hv_vmbus_g_context.syn_ic_msg_page[cpu])) >> PAGE_SHIFT); 432 433 wrmsr(HV_X64_MSR_SIMP, simp.as_uint64_t); 434 435 /* 436 * Setup the Synic's event page 437 */ 438 siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP); | 431 hv_vmbus_g_context.syn_ic_msg_page[cpu])) >> PAGE_SHIFT); 432 433 wrmsr(HV_X64_MSR_SIMP, simp.as_uint64_t); 434 435 /* 436 * Setup the Synic's event page 437 */ 438 siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP); |
| 439 siefp.siefp_enabled = 1; 440 siefp.base_siefp_gpa = ((hv_get_phys_addr( | 439 siefp.u.siefp_enabled = 1; 440 siefp.u.base_siefp_gpa = ((hv_get_phys_addr( |
| 441 hv_vmbus_g_context.syn_ic_event_page[cpu])) >> PAGE_SHIFT); 442 443 wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t); 444 445 /*HV_SHARED_SINT_IDT_VECTOR + 0x20; */ | 441 hv_vmbus_g_context.syn_ic_event_page[cpu])) >> PAGE_SHIFT); 442 443 wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t); 444 445 /*HV_SHARED_SINT_IDT_VECTOR + 0x20; */ |
| 446 shared_sint.vector = setup_args->vector; 447 shared_sint.masked = FALSE; 448 shared_sint.auto_eoi = FALSE; | 446 shared_sint.u.vector = setup_args->vector; 447 shared_sint.u.masked = FALSE; 448 shared_sint.u.auto_eoi = FALSE; |
| 449 450 wrmsr(HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT, 451 shared_sint.as_uint64_t); 452 453 /* Enable the global synic bit */ 454 sctrl.as_uint64_t = rdmsr(HV_X64_MSR_SCONTROL); | 449 450 wrmsr(HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT, 451 shared_sint.as_uint64_t); 452 453 /* Enable the global synic bit */ 454 sctrl.as_uint64_t = rdmsr(HV_X64_MSR_SCONTROL); |
| 455 sctrl.enable = 1; | 455 sctrl.u.enable = 1; |
| 456 457 wrmsr(HV_X64_MSR_SCONTROL, sctrl.as_uint64_t); 458 459 hv_vmbus_g_context.syn_ic_initialized = TRUE; 460 461 return; 462} 463 --- 11 unchanged lines hidden (view full) --- 475 return; 476 477 if (cpu != 0) 478 return; /* TODO: XXXKYS: SMP? */ 479 480 shared_sint.as_uint64_t = rdmsr( 481 HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT); 482 | 456 457 wrmsr(HV_X64_MSR_SCONTROL, sctrl.as_uint64_t); 458 459 hv_vmbus_g_context.syn_ic_initialized = TRUE; 460 461 return; 462} 463 --- 11 unchanged lines hidden (view full) --- 475 return; 476 477 if (cpu != 0) 478 return; /* TODO: XXXKYS: SMP? */ 479 480 shared_sint.as_uint64_t = rdmsr( 481 HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT); 482 |
| 483 shared_sint.masked = 1; | 483 shared_sint.u.masked = 1; |
| 484 485 /* 486 * Disable the interrupt 487 */ 488 wrmsr( 489 HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT, 490 shared_sint.as_uint64_t); 491 492 simp.as_uint64_t = rdmsr(HV_X64_MSR_SIMP); | 484 485 /* 486 * Disable the interrupt 487 */ 488 wrmsr( 489 HV_X64_MSR_SINT0 + HV_VMBUS_MESSAGE_SINT, 490 shared_sint.as_uint64_t); 491 492 simp.as_uint64_t = rdmsr(HV_X64_MSR_SIMP); |
| 493 simp.simp_enabled = 0; 494 simp.base_simp_gpa = 0; | 493 simp.u.simp_enabled = 0; 494 simp.u.base_simp_gpa = 0; |
| 495 496 wrmsr(HV_X64_MSR_SIMP, simp.as_uint64_t); 497 498 siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP); | 495 496 wrmsr(HV_X64_MSR_SIMP, simp.as_uint64_t); 497 498 siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP); |
| 499 siefp.siefp_enabled = 0; 500 siefp.base_siefp_gpa = 0; | 499 siefp.u.siefp_enabled = 0; 500 siefp.u.base_siefp_gpa = 0; |
| 501 502 wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t); 503} 504 | 501 502 wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t); 503} 504 |