aboutsummaryrefslogtreecommitdiff
path: root/drivers/s390/sysinfo.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/sysinfo.c')
-rw-r--r--drivers/s390/sysinfo.c353
1 files changed, 0 insertions, 353 deletions
diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c
deleted file mode 100644
index 1e788e815ce..00000000000
--- a/drivers/s390/sysinfo.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- * drivers/s390/sysinfo.c
- *
- * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Ulrich Weigand (Ulrich.Weigand@de.ibm.com)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/proc_fs.h>
-#include <linux/init.h>
-#include <asm/ebcdic.h>
-
-struct sysinfo_1_1_1 {
- char reserved_0[32];
- char manufacturer[16];
- char type[4];
- char reserved_1[12];
- char model_capacity[16];
- char sequence[16];
- char plant[4];
- char model[16];
-};
-
-struct sysinfo_1_2_1 {
- char reserved_0[80];
- char sequence[16];
- char plant[4];
- char reserved_1[2];
- unsigned short cpu_address;
-};
-
-struct sysinfo_1_2_2 {
- char format;
- char reserved_0[1];
- unsigned short acc_offset;
- char reserved_1[24];
- unsigned int secondary_capability;
- unsigned int capability;
- unsigned short cpus_total;
- unsigned short cpus_configured;
- unsigned short cpus_standby;
- unsigned short cpus_reserved;
- unsigned short adjustment[0];
-};
-
-struct sysinfo_1_2_2_extension {
- unsigned int alt_capability;
- unsigned short alt_adjustment[0];
-};
-
-struct sysinfo_2_2_1 {
- char reserved_0[80];
- char sequence[16];
- char plant[4];
- unsigned short cpu_id;
- unsigned short cpu_address;
-};
-
-struct sysinfo_2_2_2 {
- char reserved_0[32];
- unsigned short lpar_number;
- char reserved_1;
- unsigned char characteristics;
- unsigned short cpus_total;
- unsigned short cpus_configured;
- unsigned short cpus_standby;
- unsigned short cpus_reserved;
- char name[8];
- unsigned int caf;
- char reserved_2[16];
- unsigned short cpus_dedicated;
- unsigned short cpus_shared;
-};
-
-#define LPAR_CHAR_DEDICATED (1 << 7)
-#define LPAR_CHAR_SHARED (1 << 6)
-#define LPAR_CHAR_LIMITED (1 << 5)
-
-struct sysinfo_3_2_2 {
- char reserved_0[31];
- unsigned char count;
- struct {
- char reserved_0[4];
- unsigned short cpus_total;
- unsigned short cpus_configured;
- unsigned short cpus_standby;
- unsigned short cpus_reserved;
- char name[8];
- unsigned int caf;
- char cpi[16];
- char reserved_1[24];
-
- } vm[8];
-};
-
-static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
-{
- register int r0 asm("0") = (fc << 28) | sel1;
- register int r1 asm("1") = sel2;
-
- asm volatile(
- " stsi 0(%2)\n"
- "0: jz 2f\n"
- "1: lhi %0,%3\n"
- "2:\n"
- EX_TABLE(0b,1b)
- : "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
- : "cc", "memory" );
- return r0;
-}
-
-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)
-{
- if (stsi(info, 1, 1, 1) == -ENOSYS)
- return len;
-
- EBCASC(info->manufacturer, sizeof(info->manufacturer));
- EBCASC(info->type, sizeof(info->type));
- EBCASC(info->model, sizeof(info->model));
- EBCASC(info->sequence, sizeof(info->sequence));
- EBCASC(info->plant, sizeof(info->plant));
- EBCASC(info->model_capacity, sizeof(info->model_capacity));
- len += sprintf(page + len, "Manufacturer: %-16.16s\n",
- info->manufacturer);
- len += sprintf(page + len, "Type: %-4.4s\n",
- info->type);
- 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\n",
- info->model_capacity);
- return len;
-}
-
-#if 0 /* Currently unused */
-static int stsi_1_2_1(struct sysinfo_1_2_1 *info, char *page, int len)
-{
- if (stsi(info, 1, 2, 1) == -ENOSYS)
- return len;
-
- len += sprintf(page + len, "\n");
- EBCASC(info->sequence, sizeof(info->sequence));
- EBCASC(info->plant, sizeof(info->plant));
- len += sprintf(page + len, "Sequence Code of CPU: %-16.16s\n",
- info->sequence);
- len += sprintf(page + len, "Plant of CPU: %-16.16s\n",
- info->plant);
- return len;
-}
-#endif
-
-static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
-{
- struct sysinfo_1_2_2_extension *ext;
- int i;
-
- if (stsi(info, 1, 2, 2) == -ENOSYS)
- return len;
- ext = (struct sysinfo_1_2_2_extension *)
- ((unsigned long) info + info->acc_offset);
-
- len += sprintf(page + len, "\n");
- 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 stange
- * 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]);
- }
-
- if (info->secondary_capability != 0)
- len += sprintf(page + len, "Secondary Capability: %d\n",
- info->secondary_capability);
-
- return len;
-}
-
-#if 0 /* Currently unused */
-static int stsi_2_2_1(struct sysinfo_2_2_1 *info, char *page, int len)
-{
- if (stsi(info, 2, 2, 1) == -ENOSYS)
- return len;
-
- len += sprintf(page + len, "\n");
- EBCASC (info->sequence, sizeof(info->sequence));
- EBCASC (info->plant, sizeof(info->plant));
- len += sprintf(page + len, "Sequence Code of logical CPU: %-16.16s\n",
- info->sequence);
- len += sprintf(page + len, "Plant of logical CPU: %-16.16s\n",
- info->plant);
- return len;
-}
-#endif
-
-static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len)
-{
- if (stsi(info, 2, 2, 2) == -ENOSYS)
- return len;
-
- 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: ");
- if (info->characteristics & LPAR_CHAR_DEDICATED)
- len += sprintf(page + len, "Dedicated ");
- if (info->characteristics & LPAR_CHAR_SHARED)
- len += sprintf(page + len, "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;
-}
-
-static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len)
-{
- int i;
-
- if (stsi(info, 3, 2, 2) == -ENOSYS)
- return len;
- 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);
- }
- return len;
-}
-
-
-static int proc_read_sysinfo(char *page, char **start,
- off_t off, int count,
- int *eof, void *data)
-{
- unsigned long info = get_zeroed_page (GFP_KERNEL);
- int level, len;
-
- 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);
-
- if (level >= 1)
- len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len);
-
- if (level >= 2)
- len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len);
-
- if (level >= 3)
- len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len);
-
- free_page (info);
- return len;
-}
-
-static __init int create_proc_sysinfo(void)
-{
- create_proc_read_entry("sysinfo", 0444, NULL,
- proc_read_sysinfo, NULL);
- return 0;
-}
-
-__initcall(create_proc_sysinfo);
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 16:19:31 +0000