/*
* Initialize the CA subsystem if it hasn't been done already
*/
int
acpica_init()
{
extern void acpica_find_ioapics(void);
ACPI_STATUS status;
/*
* Make sure user options are processed,
* then fail to initialize if ACPI CA has been
* disabled
*/
acpica_process_user_options();
if (!acpica_enable)
return (AE_ERROR);
mutex_enter(&acpica_module_lock);
if (acpica_init_state == ACPICA_INITIALIZED) {
mutex_exit(&acpica_module_lock);
return (AE_OK);
}
if (ACPI_FAILURE(status = AcpiLoadTables()))
goto error;
if (ACPI_FAILURE(status = acpica_install_handlers()))
goto error;
/*
* Create ACPI-to-devinfo mapping now so _INI and _STA
* methods can access PCI config space when needed
*/
scan_d2a_map();
if (ACPI_FAILURE(status = AcpiEnableSubsystem(acpi_init_level)))
goto error;
/* do after AcpiEnableSubsystem() so GPEs are initialized */
acpica_ec_init(); /* initialize EC if present */
/* This runs all device _STA and _INI methods. */
if (ACPI_FAILURE(status = AcpiInitializeObjects(0)))
goto error;
acpica_init_state = ACPICA_INITIALIZED;
/*
* [ACPI, sec. 4.4.1.1]
* As of ACPICA version 20101217 (December 2010), the _PRW methods
* (Power Resources for Wake) are no longer automatically executed
* as part of the ACPICA initialization. The OS must do this.
*/
(void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
UINT32_MAX, acpica_init_PRW, NULL, NULL, NULL);
(void) AcpiUpdateAllGpes();
/*
* If we are running on the Xen hypervisor as dom0 we need to
* find the ioapics so we can prevent ACPI from trying to
* access them.
*/
if (get_hwenv() == HW_XEN_PV && is_controldom())
acpica_find_ioapics();
acpica_init_kstats();
error:
if (acpica_init_state != ACPICA_INITIALIZED) {
cmn_err(CE_NOTE, "!failed to initialize ACPI services");
}
/*
* Set acpi-status to 13 if acpica has been initialized successfully.
* This indicates that acpica is up and running. This variable name
* and value were chosen in order to remain compatible with acpi_intp.
*/
e_ddi_prop_update_int(DDI_DEV_T_NONE, ddi_root_node(), "acpi-status",
(ACPI_SUCCESS(status)) ? (ACPI_BOOT_INIT | ACPI_BOOT_ENABLE |
ACPI_BOOT_BOOTCONF) : 0);
/* Mark acpica subsystem as fully initialized. */
if (ACPI_SUCCESS(status) &&
acpi_init_level == ACPI_FULL_INITIALIZATION) {
acpica_set_core_feature(ACPI_FEATURE_FULL_INIT);
}
mutex_exit(&acpica_module_lock);
return (status);
}
static void
synth_amd_info(uint_t family, uint_t model, uint_t step,
uint32_t *skt_p, uint32_t *chiprev_p, const char **chiprevstr_p)
{
const struct amd_rev_mapent *rmp;
int found = 0;
int i;
if (family < 0xf)
return;
for (i = 0, rmp = amd_revmap; i < sizeof (amd_revmap) / sizeof (*rmp);
i++, rmp++) {
if (family == rmp->rm_family &&
model >= rmp->rm_modello && model <= rmp->rm_modelhi &&
step >= rmp->rm_steplo && step <= rmp->rm_stephi) {
found = 1;
break;
}
}
if (!found)
return;
if (chiprev_p != NULL)
*chiprev_p = rmp->rm_chiprev;
if (chiprevstr_p != NULL)
*chiprevstr_p = rmp->rm_chiprevstr;
if (skt_p != NULL) {
int platform;
#ifdef __xpv
/* PV guest */
if (!is_controldom()) {
*skt_p = X86_SOCKET_UNKNOWN;
return;
}
#endif
platform = get_hwenv();
if ((platform == HW_XEN_HVM) || (platform == HW_VMWARE)) {
*skt_p = X86_SOCKET_UNKNOWN;
} else if (family == 0xf) {
*skt_p = amd_skts[rmp->rm_sktidx][model & 0x3];
} else {
/*
* Starting with family 10h, socket type is stored in
* CPUID Fn8000_0001_EBX
*/
struct cpuid_regs cp;
int idx;
cp.cp_eax = 0x80000001;
(void) __cpuid_insn(&cp);
/* PkgType bits */
idx = BITX(cp.cp_ebx, 31, 28);
if (idx > 7) {
/* Reserved bits */
*skt_p = X86_SOCKET_UNKNOWN;
} else if (family == 0x10 &&
amd_skts[rmp->rm_sktidx][idx] ==
X86_SOCKET_AM) {
/*
* Look at Ddr3Mode bit of DRAM Configuration
* High Register to decide whether this is
* AM2r2 (aka AM2+) or AM3.
*/
uint32_t val;
val = pci_getl_func(0, 24, 2, 0x94);
if (BITX(val, 8, 8))
*skt_p = X86_SOCKET_AM3;
else
*skt_p = X86_SOCKET_AM2R2;
} else {
*skt_p = amd_skts[rmp->rm_sktidx][idx];
}
}
}
}