* 02/05/2001 S.Eranian fixed module support
* 10/23/2001 S.Eranian updated pal_perf_mon_info bug fixes
* 03/24/2004 Ashok Raj updated to work with CPU Hotplug
+ * 10/26/2006 Russ Anderson updated processor features to rev 2.2 spec
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/init.h>
}
p += sprintf(p,
"%s Cache level %lu:\n"
- "\tSize : %lu bytes\n"
+ "\tSize : %u bytes\n"
"\tAttributes : ",
cache_types[j+cci.pcci_unified], i+1,
cci.pcci_cache_size);
if ((status = ia64_pal_vm_summary(&vm_info_1, &vm_info_2)) !=0) {
printk(KERN_ERR "ia64_pal_vm_summary=%ld\n", status);
- return 0;
- }
-
+ } else {
- p += sprintf(p,
+ p += sprintf(p,
"Physical Address Space : %d bits\n"
"Virtual Address Space : %d bits\n"
"Protection Key Registers(PKR) : %d\n"
"Implemented bits in PKR.key : %d\n"
"Hash Tag ID : 0x%x\n"
- "Size of RR.rid : %d\n",
+ "Size of RR.rid : %d\n"
+ "Max Purges : ",
vm_info_1.pal_vm_info_1_s.phys_add_size,
- vm_info_2.pal_vm_info_2_s.impl_va_msb+1, vm_info_1.pal_vm_info_1_s.max_pkr+1,
- vm_info_1.pal_vm_info_1_s.key_size, vm_info_1.pal_vm_info_1_s.hash_tag_id,
+ vm_info_2.pal_vm_info_2_s.impl_va_msb+1,
+ vm_info_1.pal_vm_info_1_s.max_pkr+1,
+ vm_info_1.pal_vm_info_1_s.key_size,
+ vm_info_1.pal_vm_info_1_s.hash_tag_id,
vm_info_2.pal_vm_info_2_s.rid_size);
+ if (vm_info_2.pal_vm_info_2_s.max_purges == PAL_MAX_PURGES)
+ p += sprintf(p, "unlimited\n");
+ else
+ p += sprintf(p, "%d\n",
+ vm_info_2.pal_vm_info_2_s.max_purges ?
+ vm_info_2.pal_vm_info_2_s.max_purges : 1);
+ }
- if (ia64_pal_mem_attrib(&attrib) != 0)
- return 0;
-
- p += sprintf(p, "Supported memory attributes : ");
- sep = "";
- for (i = 0; i < 8; i++) {
- if (attrib & (1 << i)) {
- p += sprintf(p, "%s%s", sep, mem_attrib[i]);
- sep = ", ";
+ if (ia64_pal_mem_attrib(&attrib) == 0) {
+ p += sprintf(p, "Supported memory attributes : ");
+ sep = "";
+ for (i = 0; i < 8; i++) {
+ if (attrib & (1 << i)) {
+ p += sprintf(p, "%s%s", sep, mem_attrib[i]);
+ sep = ", ";
+ }
}
+ p += sprintf(p, "\n");
}
- p += sprintf(p, "\n");
if ((status = ia64_pal_vm_page_size(&tr_pages, &vw_pages)) !=0) {
printk(KERN_ERR "ia64_pal_vm_page_size=%ld\n", status);
- return 0;
- }
-
- p += sprintf(p,
- "\nTLB walker : %simplemented\n"
- "Number of DTR : %d\n"
- "Number of ITR : %d\n"
- "TLB insertable page sizes : ",
- vm_info_1.pal_vm_info_1_s.vw ? "" : "not ",
- vm_info_1.pal_vm_info_1_s.max_dtr_entry+1,
- vm_info_1.pal_vm_info_1_s.max_itr_entry+1);
+ } else {
+ p += sprintf(p,
+ "\nTLB walker : %simplemented\n"
+ "Number of DTR : %d\n"
+ "Number of ITR : %d\n"
+ "TLB insertable page sizes : ",
+ vm_info_1.pal_vm_info_1_s.vw ? "" : "not ",
+ vm_info_1.pal_vm_info_1_s.max_dtr_entry+1,
+ vm_info_1.pal_vm_info_1_s.max_itr_entry+1);
- p = bitvector_process(p, tr_pages);
- p += sprintf(p, "\nTLB purgeable page sizes : ");
+ p = bitvector_process(p, tr_pages);
- p = bitvector_process(p, vw_pages);
+ p += sprintf(p, "\nTLB purgeable page sizes : ");
+ p = bitvector_process(p, vw_pages);
+ }
if ((status=ia64_get_ptce(&ptce)) != 0) {
printk(KERN_ERR "ia64_get_ptce=%ld\n", status);
- return 0;
- }
-
- p += sprintf(p,
+ } else {
+ p += sprintf(p,
"\nPurge base address : 0x%016lx\n"
"Purge outer loop count : %d\n"
"Purge inner loop count : %d\n"
"Purge outer loop stride : %d\n"
"Purge inner loop stride : %d\n",
- ptce.base, ptce.count[0], ptce.count[1], ptce.stride[0], ptce.stride[1]);
+ ptce.base, ptce.count[0], ptce.count[1],
+ ptce.stride[0], ptce.stride[1]);
- p += sprintf(p,
+ p += sprintf(p,
"TC Levels : %d\n"
"Unique TC(s) : %d\n",
vm_info_1.pal_vm_info_1_s.num_tc_levels,
vm_info_1.pal_vm_info_1_s.max_unique_tcs);
- for(i=0; i < vm_info_1.pal_vm_info_1_s.num_tc_levels; i++) {
- for (j=2; j>0 ; j--) {
- tc_pages = 0; /* just in case */
+ for(i=0; i < vm_info_1.pal_vm_info_1_s.num_tc_levels; i++) {
+ for (j=2; j>0 ; j--) {
+ tc_pages = 0; /* just in case */
- /* even without unification, some levels may not be present */
- if ((status=ia64_pal_vm_info(i,j, &tc_info, &tc_pages)) != 0) {
- continue;
- }
+ /* even without unification, some levels may not be present */
+ if ((status=ia64_pal_vm_info(i,j, &tc_info, &tc_pages)) != 0) {
+ continue;
+ }
- p += sprintf(p,
+ p += sprintf(p,
"\n%s Translation Cache Level %d:\n"
"\tHash sets : %d\n"
"\tAssociativity : %d\n"
"\tNumber of entries : %d\n"
"\tFlags : ",
- cache_types[j+tc_info.tc_unified], i+1, tc_info.tc_num_sets,
- tc_info.tc_associativity, tc_info.tc_num_entries);
+ cache_types[j+tc_info.tc_unified], i+1,
+ tc_info.tc_num_sets,
+ tc_info.tc_associativity,
+ tc_info.tc_num_entries);
- if (tc_info.tc_pf) p += sprintf(p, "PreferredPageSizeOptimized ");
- if (tc_info.tc_unified) p += sprintf(p, "Unified ");
- if (tc_info.tc_reduce_tr) p += sprintf(p, "TCReduction");
+ if (tc_info.tc_pf)
+ p += sprintf(p, "PreferredPageSizeOptimized ");
+ if (tc_info.tc_unified)
+ p += sprintf(p, "Unified ");
+ if (tc_info.tc_reduce_tr)
+ p += sprintf(p, "TCReduction");
- p += sprintf(p, "\n\tSupported page sizes: ");
+ p += sprintf(p, "\n\tSupported page sizes: ");
- p = bitvector_process(p, tc_pages);
+ p = bitvector_process(p, tc_pages);
- /* when unified date (j=2) is enough */
- if (tc_info.tc_unified) break;
+ /* when unified date (j=2) is enough */
+ if (tc_info.tc_unified)
+ break;
+ }
}
}
p += sprintf(p, "\n");
p += sprintf(p, "\n");
}
- if (ia64_pal_rse_info(&phys_stacked, &hints) != 0) return 0;
+ if (ia64_pal_rse_info(&phys_stacked, &hints) == 0) {
p += sprintf(p,
"RSE stacked physical registers : %ld\n"
"RSE load/store hints : %ld (%s)\n",
phys_stacked, hints.ph_data,
hints.ph_data < RSE_HINTS_COUNT ? rse_hints[hints.ph_data]: "(??)");
-
+ }
if (ia64_pal_debug_info(&iregs, &dregs))
return 0;
return p - page;
}
-static const char *proc_features[]={
+static char *proc_features_0[]={ /* Feature set 0 */
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL, NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL, NULL,NULL,NULL,NULL,
- NULL,NULL,NULL,NULL,NULL,
+ "Unimplemented instruction address fault",
+ "INIT, PMI, and LINT pins",
+ "Simple unimplemented instr addresses",
+ "Variable P-state performance",
+ "Virtual machine features implemented",
"XIP,XPSR,XFS implemented",
"XR1-XR3 implemented",
"Disable dynamic predicate prediction",
"Disable dynamic data cache prefetch",
"Disable dynamic inst cache prefetch",
"Disable dynamic branch prediction",
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ "Disable P-states",
+ "Enable MCA on Data Poisoning",
+ "Enable vmsw instruction",
+ "Enable extern environmental notification",
"Disable BINIT on processor time-out",
"Disable dynamic power management (DPM)",
"Disable coherency",
"Enable BERR promotion"
};
+static char *proc_features_16[]={ /* Feature set 16 */
+ "Disable ETM",
+ "Enable ETM",
+ "Enable MCA on half-way timer",
+ "Enable snoop WC",
+ NULL,
+ "Enable Fast Deferral",
+ "Disable MCA on memory aliasing",
+ "Enable RSB",
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "DP system processor",
+ "Low Voltage",
+ "HT supported",
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL
+};
+
+static char **proc_features[]={
+ proc_features_0,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ proc_features_16,
+ NULL, NULL, NULL, NULL,
+};
+
+static char *
+feature_set_info(char *page, u64 avail, u64 status, u64 control, u64 set)
+{
+ char *p = page;
+ char **vf, **v;
+ int i;
+
+ vf = v = proc_features[set];
+ for(i=0; i < 64; i++, avail >>=1, status >>=1, control >>=1) {
+
+ if (!(control)) /* No remaining bits set */
+ break;
+ if (!(avail & 0x1)) /* Print only bits that are available */
+ continue;
+ if (vf)
+ v = vf + i;
+ if ( v && *v ) {
+ p += sprintf(p, "%-40s : %s %s\n", *v,
+ avail & 0x1 ? (status & 0x1 ?
+ "On " : "Off"): "",
+ avail & 0x1 ? (control & 0x1 ?
+ "Ctrl" : "NoCtrl"): "");
+ } else {
+ p += sprintf(p, "Feature set %2ld bit %2d\t\t\t"
+ " : %s %s\n",
+ set, i,
+ avail & 0x1 ? (status & 0x1 ?
+ "On " : "Off"): "",
+ avail & 0x1 ? (control & 0x1 ?
+ "Ctrl" : "NoCtrl"): "");
+ }
+ }
+ return p;
+}
static int
processor_info(char *page)
{
char *p = page;
- const char **v = proc_features;
- u64 avail=1, status=1, control=1;
- int i;
+ u64 avail=1, status=1, control=1, feature_set=0;
s64 ret;
- if ((ret=ia64_pal_proc_get_features(&avail, &status, &control)) != 0) return 0;
+ do {
+ ret = ia64_pal_proc_get_features(&avail, &status, &control,
+ feature_set);
+ if (ret < 0) {
+ return p - page;
+ }
+ if (ret == 1) {
+ feature_set++;
+ continue;
+ }
+
+ p = feature_set_info(p, avail, status, control, feature_set);
+
+ feature_set++;
+ } while(1);
- for(i=0; i < 64; i++, v++,avail >>=1, status >>=1, control >>=1) {
- if ( ! *v ) continue;
- p += sprintf(p, "%-40s : %s%s %s\n", *v,
- avail & 0x1 ? "" : "NotImpl",
- avail & 0x1 ? (status & 0x1 ? "On" : "Off"): "",
- avail & 0x1 ? (control & 0x1 ? "Ctrl" : "NoCtrl"): "");
- }
return p - page;
}
pal_version_u_t min_ver, cur_ver;
char *p = page;
- /* The PAL_VERSION call is advertised as being able to support
- * both physical and virtual mode calls. This seems to be a documentation
- * bug rather than firmware bug. In fact, it does only support physical mode.
- * So now the code reflects this fact and the pal_version() has been updated
- * accordingly.
- */
- if (ia64_pal_version(&min_ver, &cur_ver) != 0) return 0;
+ if (ia64_pal_version(&min_ver, &cur_ver) != 0)
+ return 0;
p += sprintf(p,
"PAL_vendor : 0x%02x (min=0x%02x)\n"
- "PAL_A : %x.%x.%x (min=%x.%x.%x)\n"
- "PAL_B : %x.%x.%x (min=%x.%x.%x)\n",
- cur_ver.pal_version_s.pv_pal_vendor, min_ver.pal_version_s.pv_pal_vendor,
-
- cur_ver.pal_version_s.pv_pal_a_model>>4,
- cur_ver.pal_version_s.pv_pal_a_model&0xf, cur_ver.pal_version_s.pv_pal_a_rev,
- min_ver.pal_version_s.pv_pal_a_model>>4,
- min_ver.pal_version_s.pv_pal_a_model&0xf, min_ver.pal_version_s.pv_pal_a_rev,
-
- cur_ver.pal_version_s.pv_pal_b_model>>4,
- cur_ver.pal_version_s.pv_pal_b_model&0xf, cur_ver.pal_version_s.pv_pal_b_rev,
- min_ver.pal_version_s.pv_pal_b_model>>4,
- min_ver.pal_version_s.pv_pal_b_model&0xf, min_ver.pal_version_s.pv_pal_b_rev);
+ "PAL_A : %02x.%02x (min=%02x.%02x)\n"
+ "PAL_B : %02x.%02x (min=%02x.%02x)\n",
+ cur_ver.pal_version_s.pv_pal_vendor,
+ min_ver.pal_version_s.pv_pal_vendor,
+ cur_ver.pal_version_s.pv_pal_a_model,
+ cur_ver.pal_version_s.pv_pal_a_rev,
+ min_ver.pal_version_s.pv_pal_a_model,
+ min_ver.pal_version_s.pv_pal_a_rev,
+ cur_ver.pal_version_s.pv_pal_b_model,
+ cur_ver.pal_version_s.pv_pal_b_rev,
+ min_ver.pal_version_s.pv_pal_b_model,
+ min_ver.pal_version_s.pv_pal_b_rev);
return p - page;
}
if (ia64_pal_freq_ratios(&proc, &bus, &itc) != 0) return 0;
p += sprintf(p,
- "Processor/Clock ratio : %ld/%ld\n"
- "Bus/Clock ratio : %ld/%ld\n"
- "ITC/Clock ratio : %ld/%ld\n",
+ "Processor/Clock ratio : %d/%d\n"
+ "Bus/Clock ratio : %d/%d\n"
+ "ITC/Clock ratio : %d/%d\n",
proc.num, proc.den, bus.num, bus.den, itc.num, itc.den);
return p - page;
palinfo_smp_call(void *info)
{
palinfo_smp_data_t *data = (palinfo_smp_data_t *)info;
- if (data == NULL) {
- printk(KERN_ERR "palinfo: data pointer is NULL\n");
- data->ret = 0; /* no output */
- return;
- }
- /* does this actual call */
data->ret = (*data->func)(data->page);
}
/* will send IPI to other CPU and wait for completion of remote call */
- if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 0, 1))) {
+ if ((ret=smp_call_function_single(f->req_cpu, palinfo_smp_call, &ptr, 1))) {
printk(KERN_ERR "palinfo: remote CPU call from %d to %d on function %d: "
"error %d\n", smp_processor_id(), f->req_cpu, f->func_id, ret);
return 0;
return len;
}
-static void
+static void __cpuinit
create_palinfo_proc_entries(unsigned int cpu)
{
# define CPUSTR "cpu%d"
}
}
-static int __devinit palinfo_cpu_callback(struct notifier_block *nfb,
- unsigned long action,
- void *hcpu)
+static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
+ unsigned long action, void *hcpu)
{
unsigned int hotcpu = (unsigned long)hcpu;
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
create_palinfo_proc_entries(hotcpu);
break;
-#ifdef CONFIG_HOTPLUG_CPU
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
remove_palinfo_proc_entries(hotcpu);
break;
-#endif
}
return NOTIFY_OK;
}
-static struct notifier_block palinfo_cpu_notifier =
+static struct notifier_block __refdata palinfo_cpu_notifier =
{
.notifier_call = palinfo_cpu_callback,
.priority = 0,
}
/* Register for future delivery via notify registration */
- register_cpu_notifier(&palinfo_cpu_notifier);
+ register_hotcpu_notifier(&palinfo_cpu_notifier);
return 0;
}
/*
* Unregister from cpu notifier callbacks
*/
- unregister_cpu_notifier(&palinfo_cpu_notifier);
+ unregister_hotcpu_notifier(&palinfo_cpu_notifier);
}
module_init(palinfo_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff