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yaml
---
r: 324082
b: refs/heads/master
c: 0facaa1
h: refs/heads/master
v: v3
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Heiko Carstens authored and Martin Schwidefsky committed Sep 26, 2012
1 parent 99ed28d commit 98447f0
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Showing 2 changed files with 116 additions and 168 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 78609132795b4e3d6d51c6b67d461bf1626afb2f
refs/heads/master: 0facaa170a6a0255092d3b32325a15672465ac4c
282 changes: 115 additions & 167 deletions trunk/arch/s390/kernel/sysinfo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,14 @@
static inline int stsi_0(void)
{
int rc = stsi(NULL, 0, 0, 0);

return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28);
}

static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info)
{
if (stsi(info, 1, 1, 1) == -ENOSYS)
return len;

return;
EBCASC(info->manufacturer, sizeof(info->manufacturer));
EBCASC(info->type, sizeof(info->type));
EBCASC(info->model, sizeof(info->model));
Expand All @@ -41,58 +41,45 @@ static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
EBCASC(info->model_capacity, sizeof(info->model_capacity));
EBCASC(info->model_perm_cap, sizeof(info->model_perm_cap));
EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap));
len += sprintf(page + len, "Manufacturer: %-16.16s\n",
info->manufacturer);
len += sprintf(page + len, "Type: %-4.4s\n",
info->type);
seq_printf(m, "Manufacturer: %-16.16s\n", info->manufacturer);
seq_printf(m, "Type: %-4.4s\n", info->type);
/*
* Sigh: the model field has been renamed with System z9
* to model_capacity and a new model field has been added
* after the plant field. To avoid confusing older programs
* the "Model:" prints "model_capacity model" or just
* "model_capacity" if the model string is empty .
*/
seq_printf(m, "Model: %-16.16s", info->model_capacity);
if (info->model[0] != '\0')
/*
* Sigh: the model field has been renamed with System z9
* to model_capacity and a new model field has been added
* after the plant field. To avoid confusing older programs
* the "Model:" prints "model_capacity model" or just
* "model_capacity" if the model string is empty .
*/
len += sprintf(page + len,
"Model: %-16.16s %-16.16s\n",
info->model_capacity, info->model);
else
len += sprintf(page + len, "Model: %-16.16s\n",
info->model_capacity);
len += sprintf(page + len, "Sequence Code: %-16.16s\n",
info->sequence);
len += sprintf(page + len, "Plant: %-4.4s\n",
info->plant);
len += sprintf(page + len, "Model Capacity: %-16.16s %08u\n",
info->model_capacity, *(u32 *) info->model_cap_rating);
seq_printf(m, " %-16.16s", info->model);
seq_putc(m, '\n');
seq_printf(m, "Sequence Code: %-16.16s\n", info->sequence);
seq_printf(m, "Plant: %-4.4s\n", info->plant);
seq_printf(m, "Model Capacity: %-16.16s %08u\n",
info->model_capacity, *(u32 *) info->model_cap_rating);
if (info->model_perm_cap[0] != '\0')
len += sprintf(page + len,
"Model Perm. Capacity: %-16.16s %08u\n",
info->model_perm_cap,
*(u32 *) info->model_perm_cap_rating);
seq_printf(m, "Model Perm. Capacity: %-16.16s %08u\n",
info->model_perm_cap,
*(u32 *) info->model_perm_cap_rating);
if (info->model_temp_cap[0] != '\0')
len += sprintf(page + len,
"Model Temp. Capacity: %-16.16s %08u\n",
info->model_temp_cap,
*(u32 *) info->model_temp_cap_rating);
seq_printf(m, "Model Temp. Capacity: %-16.16s %08u\n",
info->model_temp_cap,
*(u32 *) info->model_temp_cap_rating);
if (info->cai) {
len += sprintf(page + len,
"Capacity Adj. Ind.: %d\n",
info->cai);
len += sprintf(page + len, "Capacity Ch. Reason: %d\n",
info->ccr);
seq_printf(m, "Capacity Adj. Ind.: %d\n", info->cai);
seq_printf(m, "Capacity Ch. Reason: %d\n", info->ccr);
}
return len;
}

static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len)
static void stsi_15_1_x(struct seq_file *m, struct sysinfo_15_1_x *info)
{
static int max_mnest;
int i, rc;

len += sprintf(page + len, "\n");
seq_putc(m, '\n');
if (!MACHINE_HAS_TOPOLOGY)
return len;
return;
if (max_mnest) {
stsi(info, 15, 1, max_mnest);
} else {
Expand All @@ -102,181 +89,142 @@ static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len)
break;
}
}
len += sprintf(page + len, "CPU Topology HW: ");
seq_printf(m, "CPU Topology HW: ");
for (i = 0; i < TOPOLOGY_NR_MAG; i++)
len += sprintf(page + len, " %d", info->mag[i]);
len += sprintf(page + len, "\n");
seq_printf(m, " %d", info->mag[i]);
seq_putc(m, '\n');
#ifdef CONFIG_SCHED_MC
store_topology(info);
len += sprintf(page + len, "CPU Topology SW: ");
seq_printf(m, "CPU Topology SW: ");
for (i = 0; i < TOPOLOGY_NR_MAG; i++)
len += sprintf(page + len, " %d", info->mag[i]);
len += sprintf(page + len, "\n");
seq_printf(m, " %d", info->mag[i]);
seq_putc(m, '\n');
#endif
return len;
}

static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
static void stsi_1_2_2(struct seq_file *m, struct sysinfo_1_2_2 *info)
{
struct sysinfo_1_2_2_extension *ext;
int i;

if (stsi(info, 1, 2, 2) == -ENOSYS)
return len;
return;
ext = (struct sysinfo_1_2_2_extension *)
((unsigned long) info + info->acc_offset);

len += sprintf(page + len, "CPUs Total: %d\n",
info->cpus_total);
len += sprintf(page + len, "CPUs Configured: %d\n",
info->cpus_configured);
len += sprintf(page + len, "CPUs Standby: %d\n",
info->cpus_standby);
len += sprintf(page + len, "CPUs Reserved: %d\n",
info->cpus_reserved);

if (info->format == 1) {
/*
* Sigh 2. According to the specification the alternate
* capability field is a 32 bit floating point number
* if the higher order 8 bits are not zero. Printing
* a floating point number in the kernel is a no-no,
* always print the number as 32 bit unsigned integer.
* The user-space needs to know about the strange
* encoding of the alternate cpu capability.
*/
len += sprintf(page + len, "Capability: %u %u\n",
info->capability, ext->alt_capability);
for (i = 2; i <= info->cpus_total; i++)
len += sprintf(page + len,
"Adjustment %02d-way: %u %u\n",
i, info->adjustment[i-2],
ext->alt_adjustment[i-2]);

} else {
len += sprintf(page + len, "Capability: %u\n",
info->capability);
for (i = 2; i <= info->cpus_total; i++)
len += sprintf(page + len,
"Adjustment %02d-way: %u\n",
i, info->adjustment[i-2]);
seq_printf(m, "CPUs Total: %d\n", info->cpus_total);
seq_printf(m, "CPUs Configured: %d\n", info->cpus_configured);
seq_printf(m, "CPUs Standby: %d\n", info->cpus_standby);
seq_printf(m, "CPUs Reserved: %d\n", info->cpus_reserved);
/*
* Sigh 2. According to the specification the alternate
* capability field is a 32 bit floating point number
* if the higher order 8 bits are not zero. Printing
* a floating point number in the kernel is a no-no,
* always print the number as 32 bit unsigned integer.
* The user-space needs to know about the strange
* encoding of the alternate cpu capability.
*/
seq_printf(m, "Capability: %u", info->capability);
if (info->format == 1)
seq_printf(m, " %u", ext->alt_capability);
seq_putc(m, '\n');
for (i = 2; i <= info->cpus_total; i++) {
seq_printf(m, "Adjustment %02d-way: %u",
i, info->adjustment[i-2]);
if (info->format == 1)
seq_printf(m, " %u", ext->alt_adjustment[i-2]);
seq_putc(m, '\n');
}

if (info->secondary_capability != 0)
len += sprintf(page + len, "Secondary Capability: %d\n",
info->secondary_capability);
return len;
if (info->secondary_capability)
seq_printf(m, "Secondary Capability: %d\n",
info->secondary_capability);
}

static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len)
static void stsi_2_2_2(struct seq_file *m, struct sysinfo_2_2_2 *info)
{
if (stsi(info, 2, 2, 2) == -ENOSYS)
return len;

return;
EBCASC(info->name, sizeof(info->name));

len += sprintf(page + len, "\n");
len += sprintf(page + len, "LPAR Number: %d\n",
info->lpar_number);

len += sprintf(page + len, "LPAR Characteristics: ");
seq_putc(m, '\n');
seq_printf(m, "LPAR Number: %d\n", info->lpar_number);
seq_printf(m, "LPAR Characteristics: ");
if (info->characteristics & LPAR_CHAR_DEDICATED)
len += sprintf(page + len, "Dedicated ");
seq_printf(m, "Dedicated ");
if (info->characteristics & LPAR_CHAR_SHARED)
len += sprintf(page + len, "Shared ");
seq_printf(m, "Shared ");
if (info->characteristics & LPAR_CHAR_LIMITED)
len += sprintf(page + len, "Limited ");
len += sprintf(page + len, "\n");

len += sprintf(page + len, "LPAR Name: %-8.8s\n",
info->name);

len += sprintf(page + len, "LPAR Adjustment: %d\n",
info->caf);

len += sprintf(page + len, "LPAR CPUs Total: %d\n",
info->cpus_total);
len += sprintf(page + len, "LPAR CPUs Configured: %d\n",
info->cpus_configured);
len += sprintf(page + len, "LPAR CPUs Standby: %d\n",
info->cpus_standby);
len += sprintf(page + len, "LPAR CPUs Reserved: %d\n",
info->cpus_reserved);
len += sprintf(page + len, "LPAR CPUs Dedicated: %d\n",
info->cpus_dedicated);
len += sprintf(page + len, "LPAR CPUs Shared: %d\n",
info->cpus_shared);
return len;
seq_printf(m, "Limited ");
seq_putc(m, '\n');
seq_printf(m, "LPAR Name: %-8.8s\n", info->name);
seq_printf(m, "LPAR Adjustment: %d\n", info->caf);
seq_printf(m, "LPAR CPUs Total: %d\n", info->cpus_total);
seq_printf(m, "LPAR CPUs Configured: %d\n", info->cpus_configured);
seq_printf(m, "LPAR CPUs Standby: %d\n", info->cpus_standby);
seq_printf(m, "LPAR CPUs Reserved: %d\n", info->cpus_reserved);
seq_printf(m, "LPAR CPUs Dedicated: %d\n", info->cpus_dedicated);
seq_printf(m, "LPAR CPUs Shared: %d\n", info->cpus_shared);
}

static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len)
static void stsi_3_2_2(struct seq_file *m, struct sysinfo_3_2_2 *info)
{
int i;

if (stsi(info, 3, 2, 2) == -ENOSYS)
return len;
return;
for (i = 0; i < info->count; i++) {
EBCASC(info->vm[i].name, sizeof(info->vm[i].name));
EBCASC(info->vm[i].cpi, sizeof(info->vm[i].cpi));
len += sprintf(page + len, "\n");
len += sprintf(page + len, "VM%02d Name: %-8.8s\n",
i, info->vm[i].name);
len += sprintf(page + len, "VM%02d Control Program: %-16.16s\n",
i, info->vm[i].cpi);

len += sprintf(page + len, "VM%02d Adjustment: %d\n",
i, info->vm[i].caf);

len += sprintf(page + len, "VM%02d CPUs Total: %d\n",
i, info->vm[i].cpus_total);
len += sprintf(page + len, "VM%02d CPUs Configured: %d\n",
i, info->vm[i].cpus_configured);
len += sprintf(page + len, "VM%02d CPUs Standby: %d\n",
i, info->vm[i].cpus_standby);
len += sprintf(page + len, "VM%02d CPUs Reserved: %d\n",
i, info->vm[i].cpus_reserved);
seq_putc(m, '\n');
seq_printf(m, "VM%02d Name: %-8.8s\n", i, info->vm[i].name);
seq_printf(m, "VM%02d Control Program: %-16.16s\n", i, info->vm[i].cpi);
seq_printf(m, "VM%02d Adjustment: %d\n", i, info->vm[i].caf);
seq_printf(m, "VM%02d CPUs Total: %d\n", i, info->vm[i].cpus_total);
seq_printf(m, "VM%02d CPUs Configured: %d\n", i, info->vm[i].cpus_configured);
seq_printf(m, "VM%02d CPUs Standby: %d\n", i, info->vm[i].cpus_standby);
seq_printf(m, "VM%02d CPUs Reserved: %d\n", i, info->vm[i].cpus_reserved);
}
return len;
}

static int proc_read_sysinfo(char *page, char **start,
off_t off, int count,
int *eof, void *data)
static int sysinfo_show(struct seq_file *m, void *v)
{
unsigned long info = get_zeroed_page(GFP_KERNEL);
int level, len;
void *info = (void *)get_zeroed_page(GFP_KERNEL);
int level;

if (!info)
return 0;

len = 0;
level = stsi_0();
if (level >= 1)
len = stsi_1_1_1((struct sysinfo_1_1_1 *) info, page, len);

stsi_1_1_1(m, info);
if (level >= 1)
len = stsi_15_1_x((struct sysinfo_15_1_x *) info, page, len);

stsi_15_1_x(m, info);
if (level >= 1)
len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len);

stsi_1_2_2(m, info);
if (level >= 2)
len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len);

stsi_2_2_2(m, info);
if (level >= 3)
len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len);
stsi_3_2_2(m, info);
free_page((unsigned long)info);
return 0;
}

free_page(info);
return len;
static int sysinfo_open(struct inode *inode, struct file *file)
{
return single_open(file, sysinfo_show, NULL);
}

static __init int create_proc_sysinfo(void)
static const struct file_operations sysinfo_fops = {
.open = sysinfo_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};

static int __init sysinfo_create_proc(void)
{
create_proc_read_entry("sysinfo", 0444, NULL,
proc_read_sysinfo, NULL);
proc_create("sysinfo", 0444, NULL, &sysinfo_fops);
return 0;
}
device_initcall(create_proc_sysinfo);
device_initcall(sysinfo_create_proc);

/*
* Service levels interface.
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