Page MenuHomeFreeBSD
Differential D6953 Diff 18318 head/sys/dev/hyperv/vmbus/vmbus.c

Changeset View

Standalone View

View Options

head/sys/dev/hyperv/vmbus/vmbus.c

Show First 20 Lines • Show All 62 Lines • ▼ Show 20 Lines
#include <dev/hyperv/vmbus/hv_vmbus_priv.h> #include <dev/hyperv/vmbus/hv_vmbus_priv.h>
#include <dev/hyperv/vmbus/hyperv_reg.h> #include <dev/hyperv/vmbus/hyperv_reg.h>
#include <dev/hyperv/vmbus/hyperv_var.h> #include <dev/hyperv/vmbus/hyperv_var.h>
#include <dev/hyperv/vmbus/vmbus_reg.h> #include <dev/hyperv/vmbus/vmbus_reg.h>
#include <dev/hyperv/vmbus/vmbus_var.h> #include <dev/hyperv/vmbus/vmbus_var.h>
#include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/acpi.h>
#include "acpi_if.h" #include "acpi_if.h"
#include "vmbus_if.h"
struct vmbus_msghc { struct vmbus_msghc {
struct hypercall_postmsg_in *mh_inprm; struct hypercall_postmsg_in *mh_inprm;
struct hypercall_postmsg_in mh_inprm_save; struct hypercall_postmsg_in mh_inprm_save;
struct hyperv_dma mh_inprm_dma; struct hyperv_dma mh_inprm_dma;
struct vmbus_message *mh_resp; struct vmbus_message *mh_resp;
struct vmbus_message mh_resp0; struct vmbus_message mh_resp0;
Show All 29 Lines
static struct vmbus_msghc *vmbus_msghc_get1(struct vmbus_msghc_ctx *, static struct vmbus_msghc *vmbus_msghc_get1(struct vmbus_msghc_ctx *,
uint32_t); uint32_t);
struct vmbus_softc *vmbus_sc; struct vmbus_softc *vmbus_sc;
extern inthand_t IDTVEC(vmbus_isr); extern inthand_t IDTVEC(vmbus_isr);
static const uint32_t vmbus_version[] = { static const uint32_t vmbus_version[] = {
HV_VMBUS_VERSION_WIN8_1, VMBUS_VERSION_WIN8_1,
HV_VMBUS_VERSION_WIN8, VMBUS_VERSION_WIN8,
HV_VMBUS_VERSION_WIN7, VMBUS_VERSION_WIN7,
HV_VMBUS_VERSION_WS2008 VMBUS_VERSION_WS2008
}; };
static struct vmbus_msghc * static struct vmbus_msghc *
vmbus_msghc_alloc(bus_dma_tag_t parent_dtag) vmbus_msghc_alloc(bus_dma_tag_t parent_dtag)
{ {
struct vmbus_msghc *mh; struct vmbus_msghc *mh;
mh = malloc(sizeof(*mh), M_DEVBUF, M_WAITOK | M_ZERO); mh = malloc(sizeof(*mh), M_DEVBUF, M_WAITOK | M_ZERO);
▲ Show 20 Lines • Show All 282 Lines • ▼ Show 20 Lines
{ {
int i; int i;
for (i = 0; i < nitems(vmbus_version); ++i) { for (i = 0; i < nitems(vmbus_version); ++i) {
int error; int error;
error = vmbus_connect(sc, vmbus_version[i]); error = vmbus_connect(sc, vmbus_version[i]);
if (!error) { if (!error) {
hv_vmbus_protocal_version = vmbus_version[i]; sc->vmbus_version = vmbus_version[i];
device_printf(sc->vmbus_dev, "version %u.%u\n", device_printf(sc->vmbus_dev, "version %u.%u\n",
(hv_vmbus_protocal_version >> 16), VMBUS_VERSION_MAJOR(sc->vmbus_version),
(hv_vmbus_protocal_version & 0xffff)); VMBUS_VERSION_MINOR(sc->vmbus_version));
return 0; return 0;
} }
} }
return ENXIO; return ENXIO;
} }
static void static void
vmbus_disconnect(struct vmbus_softc *sc) vmbus_disconnect(struct vmbus_softc *sc)
▲ Show 20 Lines • Show All 629 Lines • ▼ Show 20 Lineshv_vmbus_child_device_unregister(struct hv_device *child_dev)
ret = device_delete_child(vmbus_get_device(), child_dev->device); ret = device_delete_child(vmbus_get_device(), child_dev->device);
mtx_unlock(&Giant); mtx_unlock(&Giant);
return(ret); return(ret);
} }
static int static int
vmbus_sysctl_version(SYSCTL_HANDLER_ARGS) vmbus_sysctl_version(SYSCTL_HANDLER_ARGS)
{ {
struct vmbus_softc *sc = arg1;
char verstr[16]; char verstr[16];
snprintf(verstr, sizeof(verstr), "%u.%u", snprintf(verstr, sizeof(verstr), "%u.%u",
hv_vmbus_protocal_version >> 16, VMBUS_VERSION_MAJOR(sc->vmbus_version),
hv_vmbus_protocal_version & 0xffff); VMBUS_VERSION_MINOR(sc->vmbus_version));
return sysctl_handle_string(oidp, verstr, sizeof(verstr), req); return sysctl_handle_string(oidp, verstr, sizeof(verstr), req);
} }
static uint32_t
vmbus_get_version_method(device_t bus, device_t dev)
{
struct vmbus_softc *sc = device_get_softc(bus);
return sc->vmbus_version;
}
static int static int
vmbus_probe(device_t dev) vmbus_probe(device_t dev)
{ {
char *id[] = { "VMBUS", NULL }; char *id[] = { "VMBUS", NULL };
if (ACPI_ID_PROBE(device_get_parent(dev), dev, id) == NULL || if (ACPI_ID_PROBE(device_get_parent(dev), dev, id) == NULL ||
device_get_unit(dev) != 0 || vm_guest != VM_GUEST_HV || device_get_unit(dev) != 0 || vm_guest != VM_GUEST_HV ||
(hyperv_features & CPUID_HV_MSR_SYNIC) == 0) (hyperv_features & CPUID_HV_MSR_SYNIC) == 0)
▲ Show 20 Lines • Show All 67 Lines • ▼ Show 20 Linesvmbus_doattach(struct vmbus_softc *sc)
ret = hv_vmbus_connect(sc); ret = hv_vmbus_connect(sc);
if (ret != 0) if (ret != 0)
goto cleanup; goto cleanup;
ret = vmbus_init(sc); ret = vmbus_init(sc);
if (ret != 0) if (ret != 0)
goto cleanup; goto cleanup;
if (hv_vmbus_protocal_version == HV_VMBUS_VERSION_WS2008 || if (sc->vmbus_version == VMBUS_VERSION_WS2008 ||
hv_vmbus_protocal_version == HV_VMBUS_VERSION_WIN7) sc->vmbus_version == VMBUS_VERSION_WIN7)
sc->vmbus_event_proc = vmbus_event_proc_compat; sc->vmbus_event_proc = vmbus_event_proc_compat;
else else
sc->vmbus_event_proc = vmbus_event_proc; sc->vmbus_event_proc = vmbus_event_proc;
ret = vmbus_scan(sc); ret = vmbus_scan(sc);
if (ret != 0) if (ret != 0)
goto cleanup; goto cleanup;
ctx = device_get_sysctl_ctx(sc->vmbus_dev); ctx = device_get_sysctl_ctx(sc->vmbus_dev);
child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->vmbus_dev)); child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->vmbus_dev));
SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "version", SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "version",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 0, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
vmbus_sysctl_version, "A", "vmbus version"); vmbus_sysctl_version, "A", "vmbus version");
return (ret); return (ret);
cleanup: cleanup:
vmbus_intr_teardown(sc); vmbus_intr_teardown(sc);
vmbus_dma_free(sc); vmbus_dma_free(sc);
if (sc->vmbus_msg_hc != NULL) { if (sc->vmbus_msg_hc != NULL) {
▲ Show 20 Lines • Show All 95 Lines • ▼ Show 20 Linesstatic device_method_t vmbus_methods[] = {
DEVMETHOD(device_resume, bus_generic_resume), DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */ /* Bus interface */
DEVMETHOD(bus_add_child, bus_generic_add_child), DEVMETHOD(bus_add_child, bus_generic_add_child),
DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, vmbus_read_ivar), DEVMETHOD(bus_read_ivar, vmbus_read_ivar),
DEVMETHOD(bus_write_ivar, vmbus_write_ivar), DEVMETHOD(bus_write_ivar, vmbus_write_ivar),
DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str), DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str),
/* Vmbus interface */
DEVMETHOD(vmbus_get_version, vmbus_get_version_method),
DEVMETHOD_END DEVMETHOD_END
}; };
static driver_t vmbus_driver = { static driver_t vmbus_driver = {
"vmbus", "vmbus",
vmbus_methods, vmbus_methods,
sizeof(struct vmbus_softc) sizeof(struct vmbus_softc)
Show All 16 Lines