Merge branches 'einj', 'intel_idle', 'misc', 'srat' and 'turbostat-ivb' into release

This commit is contained in:
Len Brown 2012-01-18 01:15:54 -05:00
12 changed files with 345 additions and 111 deletions

View file

@ -42,6 +42,42 @@
/* Firmware should respond within 1 milliseconds */
#define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC)
/*
* ACPI version 5 provides a SET_ERROR_TYPE_WITH_ADDRESS action.
*/
static int acpi5;
struct set_error_type_with_address {
u32 type;
u32 vendor_extension;
u32 flags;
u32 apicid;
u64 memory_address;
u64 memory_address_range;
u32 pcie_sbdf;
};
enum {
SETWA_FLAGS_APICID = 1,
SETWA_FLAGS_MEM = 2,
SETWA_FLAGS_PCIE_SBDF = 4,
};
/*
* Vendor extensions for platform specific operations
*/
struct vendor_error_type_extension {
u32 length;
u32 pcie_sbdf;
u16 vendor_id;
u16 device_id;
u8 rev_id;
u8 reserved[3];
};
static u32 vendor_flags;
static struct debugfs_blob_wrapper vendor_blob;
static char vendor_dev[64];
/*
* Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the
* EINJ table through an unpublished extension. Use with caution as
@ -103,7 +139,14 @@ static struct apei_exec_ins_type einj_ins_type[] = {
*/
static DEFINE_MUTEX(einj_mutex);
static struct einj_parameter *einj_param;
static void *einj_param;
#ifndef readq
static inline __u64 readq(volatile void __iomem *addr)
{
return ((__u64)readl(addr+4) << 32) + readl(addr);
}
#endif
#ifndef writeq
static inline void writeq(__u64 val, volatile void __iomem *addr)
@ -158,10 +201,31 @@ static int einj_timedout(u64 *t)
return 0;
}
static u64 einj_get_parameter_address(void)
static void check_vendor_extension(u64 paddr,
struct set_error_type_with_address *v5param)
{
int offset = readl(&v5param->vendor_extension);
struct vendor_error_type_extension *v;
u32 sbdf;
if (!offset)
return;
v = ioremap(paddr + offset, sizeof(*v));
if (!v)
return;
sbdf = readl(&v->pcie_sbdf);
sprintf(vendor_dev, "%x:%x:%x.%x vendor_id=%x device_id=%x rev_id=%x\n",
sbdf >> 24, (sbdf >> 16) & 0xff,
(sbdf >> 11) & 0x1f, (sbdf >> 8) & 0x7,
readw(&v->vendor_id), readw(&v->device_id),
readb(&v->rev_id));
iounmap(v);
}
static void *einj_get_parameter_address(void)
{
int i;
u64 paddr = 0;
u64 paddrv4 = 0, paddrv5 = 0;
struct acpi_whea_header *entry;
entry = EINJ_TAB_ENTRY(einj_tab);
@ -170,12 +234,40 @@ static u64 einj_get_parameter_address(void)
entry->instruction == ACPI_EINJ_WRITE_REGISTER &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY)
memcpy(&paddr, &entry->register_region.address,
sizeof(paddr));
memcpy(&paddrv4, &entry->register_region.address,
sizeof(paddrv4));
if (entry->action == ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS &&
entry->instruction == ACPI_EINJ_WRITE_REGISTER &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY)
memcpy(&paddrv5, &entry->register_region.address,
sizeof(paddrv5));
entry++;
}
if (paddrv5) {
struct set_error_type_with_address *v5param;
return paddr;
v5param = ioremap(paddrv5, sizeof(*v5param));
if (v5param) {
acpi5 = 1;
check_vendor_extension(paddrv5, v5param);
return v5param;
}
}
if (paddrv4) {
struct einj_parameter *v4param;
v4param = ioremap(paddrv4, sizeof(*v4param));
if (!v4param)
return 0;
if (readq(&v4param->reserved1) || readq(&v4param->reserved2)) {
iounmap(v4param);
return 0;
}
return v4param;
}
return 0;
}
/* do sanity check to trigger table */
@ -340,12 +432,56 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2)
if (rc)
return rc;
apei_exec_ctx_set_input(&ctx, type);
rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE);
if (rc)
return rc;
if (einj_param) {
writeq(param1, &einj_param->param1);
writeq(param2, &einj_param->param2);
if (acpi5) {
struct set_error_type_with_address *v5param = einj_param;
writel(type, &v5param->type);
if (type & 0x80000000) {
switch (vendor_flags) {
case SETWA_FLAGS_APICID:
writel(param1, &v5param->apicid);
break;
case SETWA_FLAGS_MEM:
writeq(param1, &v5param->memory_address);
writeq(param2, &v5param->memory_address_range);
break;
case SETWA_FLAGS_PCIE_SBDF:
writel(param1, &v5param->pcie_sbdf);
break;
}
writel(vendor_flags, &v5param->flags);
} else {
switch (type) {
case ACPI_EINJ_PROCESSOR_CORRECTABLE:
case ACPI_EINJ_PROCESSOR_UNCORRECTABLE:
case ACPI_EINJ_PROCESSOR_FATAL:
writel(param1, &v5param->apicid);
writel(SETWA_FLAGS_APICID, &v5param->flags);
break;
case ACPI_EINJ_MEMORY_CORRECTABLE:
case ACPI_EINJ_MEMORY_UNCORRECTABLE:
case ACPI_EINJ_MEMORY_FATAL:
writeq(param1, &v5param->memory_address);
writeq(param2, &v5param->memory_address_range);
writel(SETWA_FLAGS_MEM, &v5param->flags);
break;
case ACPI_EINJ_PCIX_CORRECTABLE:
case ACPI_EINJ_PCIX_UNCORRECTABLE:
case ACPI_EINJ_PCIX_FATAL:
writel(param1, &v5param->pcie_sbdf);
writel(SETWA_FLAGS_PCIE_SBDF, &v5param->flags);
break;
}
}
} else {
rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE);
if (rc)
return rc;
if (einj_param) {
struct einj_parameter *v4param = einj_param;
writeq(param1, &v4param->param1);
writeq(param2, &v4param->param2);
}
}
rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION);
if (rc)
@ -455,15 +591,25 @@ static int error_type_set(void *data, u64 val)
{
int rc;
u32 available_error_type = 0;
u32 tval, vendor;
/*
* Vendor defined types have 0x80000000 bit set, and
* are not enumerated by ACPI_EINJ_GET_ERROR_TYPE
*/
vendor = val & 0x80000000;
tval = val & 0x7fffffff;
/* Only one error type can be specified */
if (val & (val - 1))
return -EINVAL;
rc = einj_get_available_error_type(&available_error_type);
if (rc)
return rc;
if (!(val & available_error_type))
if (tval & (tval - 1))
return -EINVAL;
if (!vendor) {
rc = einj_get_available_error_type(&available_error_type);
if (rc)
return rc;
if (!(val & available_error_type))
return -EINVAL;
}
error_type = val;
return 0;
@ -502,7 +648,6 @@ static int einj_check_table(struct acpi_table_einj *einj_tab)
static int __init einj_init(void)
{
int rc;
u64 param_paddr;
acpi_status status;
struct dentry *fentry;
struct apei_exec_context ctx;
@ -555,23 +700,30 @@ static int __init einj_init(void)
rc = apei_exec_pre_map_gars(&ctx);
if (rc)
goto err_release;
if (param_extension) {
param_paddr = einj_get_parameter_address();
if (param_paddr) {
einj_param = ioremap(param_paddr, sizeof(*einj_param));
rc = -ENOMEM;
if (!einj_param)
goto err_unmap;
fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR,
einj_debug_dir, &error_param1);
if (!fentry)
goto err_unmap;
fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR,
einj_debug_dir, &error_param2);
if (!fentry)
goto err_unmap;
} else
pr_warn(EINJ_PFX "Parameter extension is not supported.\n");
einj_param = einj_get_parameter_address();
if ((param_extension || acpi5) && einj_param) {
fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR,
einj_debug_dir, &error_param1);
if (!fentry)
goto err_unmap;
fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR,
einj_debug_dir, &error_param2);
if (!fentry)
goto err_unmap;
}
if (vendor_dev[0]) {
vendor_blob.data = vendor_dev;
vendor_blob.size = strlen(vendor_dev);
fentry = debugfs_create_blob("vendor", S_IRUSR,
einj_debug_dir, &vendor_blob);
if (!fentry)
goto err_unmap;
fentry = debugfs_create_x32("vendor_flags", S_IRUSR | S_IWUSR,
einj_debug_dir, &vendor_flags);
if (!fentry)
goto err_unmap;
}
pr_info(EINJ_PFX "Error INJection is initialized.\n");

View file

@ -45,6 +45,8 @@ static int pxm_to_node_map[MAX_PXM_DOMAINS]
static int node_to_pxm_map[MAX_NUMNODES]
= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
unsigned char acpi_srat_revision __initdata;
int pxm_to_node(int pxm)
{
if (pxm < 0)
@ -255,9 +257,13 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
static int __init acpi_parse_srat(struct acpi_table_header *table)
{
struct acpi_table_srat *srat;
if (!table)
return -EINVAL;
srat = (struct acpi_table_srat *)table;
acpi_srat_revision = srat->header.revision;
/* Real work done in acpi_table_parse_srat below. */
return 0;

View file

@ -173,8 +173,30 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
apic_id = map_mat_entry(handle, type, acpi_id);
if (apic_id == -1)
apic_id = map_madt_entry(type, acpi_id);
if (apic_id == -1)
return apic_id;
if (apic_id == -1) {
/*
* On UP processor, there is no _MAT or MADT table.
* So above apic_id is always set to -1.
*
* BIOS may define multiple CPU handles even for UP processor.
* For example,
*
* Scope (_PR)
* {
* Processor (CPU0, 0x00, 0x00000410, 0x06) {}
* Processor (CPU1, 0x01, 0x00000410, 0x06) {}
* Processor (CPU2, 0x02, 0x00000410, 0x06) {}
* Processor (CPU3, 0x03, 0x00000410, 0x06) {}
* }
*
* Ignores apic_id and always return 0 for CPU0's handle.
* Return -1 for other CPU's handle.
*/
if (acpi_id == 0)
return acpi_id;
else
return apic_id;
}
#ifdef CONFIG_SMP
for_each_possible_cpu(i) {

View file

@ -82,7 +82,7 @@ MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
static int acpi_processor_remove(struct acpi_device *device, int type);
static void acpi_processor_notify(struct acpi_device *device, u32 event);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
@ -324,10 +324,8 @@ static int acpi_processor_get_info(struct acpi_device *device)
* they are physically not present.
*/
if (pr->id == -1) {
if (ACPI_FAILURE
(acpi_processor_hotadd_init(pr->handle, &pr->id))) {
if (ACPI_FAILURE(acpi_processor_hotadd_init(pr)))
return -ENODEV;
}
}
/*
* On some boxes several processors use the same processor bus id.
@ -539,6 +537,7 @@ err_thermal_unregister:
thermal_cooling_device_unregister(pr->cdev);
err_power_exit:
acpi_processor_power_exit(pr, device);
sysfs_remove_link(&device->dev.kobj, "sysdev");
err_free_cpumask:
free_cpumask_var(pr->throttling.shared_cpu_map);
@ -720,18 +719,19 @@ processor_walk_namespace_cb(acpi_handle handle,
return (AE_OK);
}
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
{
acpi_handle handle = pr->handle;
if (!is_processor_present(handle)) {
return AE_ERROR;
}
if (acpi_map_lsapic(handle, p_cpu))
if (acpi_map_lsapic(handle, &pr->id))
return AE_ERROR;
if (arch_register_cpu(*p_cpu)) {
acpi_unmap_lsapic(*p_cpu);
if (arch_register_cpu(pr->id)) {
acpi_unmap_lsapic(pr->id);
return AE_ERROR;
}
@ -748,7 +748,7 @@ static int acpi_processor_handle_eject(struct acpi_processor *pr)
return (0);
}
#else
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr)
{
return AE_ERROR;
}
@ -827,8 +827,6 @@ static void __exit acpi_processor_exit(void)
acpi_bus_unregister_driver(&acpi_processor_driver);
cpuidle_unregister_driver(&acpi_idle_driver);
return;
}