From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- drivers/s390/sysinfo.c | 347 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 347 insertions(+) create mode 100644 drivers/s390/sysinfo.c (limited to 'drivers/s390/sysinfo.c') diff --git a/drivers/s390/sysinfo.c b/drivers/s390/sysinfo.c new file mode 100644 index 00000000000..87c2db1bd4f --- /dev/null +++ b/drivers/s390/sysinfo.c @@ -0,0 +1,347 @@ +/* + * drivers/s390/sysinfo.c + * + * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Author(s): Ulrich Weigand (Ulrich.Weigand@de.ibm.com) + */ + +#include +#include +#include +#include +#include +#include + +struct sysinfo_1_1_1 +{ + char reserved_0[32]; + char manufacturer[16]; + char type[4]; + char reserved_1[12]; + char model[16]; + char sequence[16]; + char plant[4]; +}; + +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 reserved_0[32]; + 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_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; + #define LPAR_CHAR_DEDICATED (1 << 7) + #define LPAR_CHAR_SHARED (1 << 6) + #define LPAR_CHAR_LIMITED (1 << 5) + 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; +}; + +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]; +}; + +union s390_sysinfo +{ + struct sysinfo_1_1_1 sysinfo_1_1_1; + struct sysinfo_1_2_1 sysinfo_1_2_1; + struct sysinfo_1_2_2 sysinfo_1_2_2; + struct sysinfo_2_2_1 sysinfo_2_2_1; + struct sysinfo_2_2_2 sysinfo_2_2_2; + struct sysinfo_3_2_2 sysinfo_3_2_2; +}; + +static inline int stsi (void *sysinfo, + int fc, int sel1, int sel2) +{ + int cc, retv; + +#ifndef CONFIG_ARCH_S390X + __asm__ __volatile__ ( "lr\t0,%2\n" + "\tlr\t1,%3\n" + "\tstsi\t0(%4)\n" + "0:\tipm\t%0\n" + "\tsrl\t%0,28\n" + "1:lr\t%1,0\n" + ".section .fixup,\"ax\"\n" + "2:\tlhi\t%0,3\n" + "\tbras\t1,3f\n" + "\t.long 1b\n" + "3:\tl\t1,0(1)\n" + "\tbr\t1\n" + ".previous\n" + ".section __ex_table,\"a\"\n" + "\t.align 4\n" + "\t.long 0b,2b\n" + ".previous\n" + : "=d" (cc), "=d" (retv) + : "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) + : "cc", "memory", "0", "1" ); +#else + __asm__ __volatile__ ( "lr\t0,%2\n" + "lr\t1,%3\n" + "\tstsi\t0(%4)\n" + "0:\tipm\t%0\n" + "\tsrl\t%0,28\n" + "1:lr\t%1,0\n" + ".section .fixup,\"ax\"\n" + "2:\tlhi\t%0,3\n" + "\tjg\t1b\n" + ".previous\n" + ".section __ex_table,\"a\"\n" + "\t.align 8\n" + "\t.quad 0b,2b\n" + ".previous\n" + : "=d" (cc), "=d" (retv) + : "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo) + : "cc", "memory", "0", "1" ); +#endif + + return cc? -1 : retv; +} + +static inline int stsi_0 (void) +{ + int rc = stsi (NULL, 0, 0, 0); + return rc == -1 ? rc : (((unsigned int)rc) >> 28); +} + +static inline int stsi_1_1_1 (struct sysinfo_1_1_1 *info) +{ + int rc = stsi (info, 1, 1, 1); + if (rc != -1) + { + 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)); + } + return rc == -1 ? rc : 0; +} + +static inline int stsi_1_2_1 (struct sysinfo_1_2_1 *info) +{ + int rc = stsi (info, 1, 2, 1); + if (rc != -1) + { + EBCASC (info->sequence, sizeof(info->sequence)); + EBCASC (info->plant, sizeof(info->plant)); + } + return rc == -1 ? rc : 0; +} + +static inline int stsi_1_2_2 (struct sysinfo_1_2_2 *info) +{ + int rc = stsi (info, 1, 2, 2); + return rc == -1 ? rc : 0; +} + +static inline int stsi_2_2_1 (struct sysinfo_2_2_1 *info) +{ + int rc = stsi (info, 2, 2, 1); + if (rc != -1) + { + EBCASC (info->sequence, sizeof(info->sequence)); + EBCASC (info->plant, sizeof(info->plant)); + } + return rc == -1 ? rc : 0; +} + +static inline int stsi_2_2_2 (struct sysinfo_2_2_2 *info) +{ + int rc = stsi (info, 2, 2, 2); + if (rc != -1) + { + EBCASC (info->name, sizeof(info->name)); + } + return rc == -1 ? rc : 0; +} + +static inline int stsi_3_2_2 (struct sysinfo_3_2_2 *info) +{ + int rc = stsi (info, 3, 2, 2); + if (rc != -1) + { + int i; + 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)); + } + } + return rc == -1 ? rc : 0; +} + + +static int proc_read_sysinfo(char *page, char **start, + off_t off, int count, + int *eof, void *data) +{ + unsigned long info_page = get_zeroed_page (GFP_KERNEL); + union s390_sysinfo *info = (union s390_sysinfo *) info_page; + int len = 0; + int level; + int i; + + if (!info) + return 0; + + level = stsi_0 (); + + if (level >= 1 && stsi_1_1_1 (&info->sysinfo_1_1_1) == 0) + { + len += sprintf (page+len, "Manufacturer: %-16.16s\n", + info->sysinfo_1_1_1.manufacturer); + len += sprintf (page+len, "Type: %-4.4s\n", + info->sysinfo_1_1_1.type); + len += sprintf (page+len, "Model: %-16.16s\n", + info->sysinfo_1_1_1.model); + len += sprintf (page+len, "Sequence Code: %-16.16s\n", + info->sysinfo_1_1_1.sequence); + len += sprintf (page+len, "Plant: %-4.4s\n", + info->sysinfo_1_1_1.plant); + } + + if (level >= 1 && stsi_1_2_2 (&info->sysinfo_1_2_2) == 0) + { + len += sprintf (page+len, "\n"); + len += sprintf (page+len, "CPUs Total: %d\n", + info->sysinfo_1_2_2.cpus_total); + len += sprintf (page+len, "CPUs Configured: %d\n", + info->sysinfo_1_2_2.cpus_configured); + len += sprintf (page+len, "CPUs Standby: %d\n", + info->sysinfo_1_2_2.cpus_standby); + len += sprintf (page+len, "CPUs Reserved: %d\n", + info->sysinfo_1_2_2.cpus_reserved); + + len += sprintf (page+len, "Capability: %d\n", + info->sysinfo_1_2_2.capability); + + for (i = 2; i <= info->sysinfo_1_2_2.cpus_total; i++) + len += sprintf (page+len, "Adjustment %02d-way: %d\n", + i, info->sysinfo_1_2_2.adjustment[i-2]); + } + + if (level >= 2 && stsi_2_2_2 (&info->sysinfo_2_2_2) == 0) + { + len += sprintf (page+len, "\n"); + len += sprintf (page+len, "LPAR Number: %d\n", + info->sysinfo_2_2_2.lpar_number); + + len += sprintf (page+len, "LPAR Characteristics: "); + if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_DEDICATED) + len += sprintf (page+len, "Dedicated "); + if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_SHARED) + len += sprintf (page+len, "Shared "); + if (info->sysinfo_2_2_2.characteristics & LPAR_CHAR_LIMITED) + len += sprintf (page+len, "Limited "); + len += sprintf (page+len, "\n"); + + len += sprintf (page+len, "LPAR Name: %-8.8s\n", + info->sysinfo_2_2_2.name); + + len += sprintf (page+len, "LPAR Adjustment: %d\n", + info->sysinfo_2_2_2.caf); + + len += sprintf (page+len, "LPAR CPUs Total: %d\n", + info->sysinfo_2_2_2.cpus_total); + len += sprintf (page+len, "LPAR CPUs Configured: %d\n", + info->sysinfo_2_2_2.cpus_configured); + len += sprintf (page+len, "LPAR CPUs Standby: %d\n", + info->sysinfo_2_2_2.cpus_standby); + len += sprintf (page+len, "LPAR CPUs Reserved: %d\n", + info->sysinfo_2_2_2.cpus_reserved); + len += sprintf (page+len, "LPAR CPUs Dedicated: %d\n", + info->sysinfo_2_2_2.cpus_dedicated); + len += sprintf (page+len, "LPAR CPUs Shared: %d\n", + info->sysinfo_2_2_2.cpus_shared); + } + + if (level >= 3 && stsi_3_2_2 (&info->sysinfo_3_2_2) == 0) + { + for (i = 0; i < info->sysinfo_3_2_2.count; i++) + { + len += sprintf (page+len, "\n"); + len += sprintf (page+len, "VM%02d Name: %-8.8s\n", + i, info->sysinfo_3_2_2.vm[i].name); + len += sprintf (page+len, "VM%02d Control Program: %-16.16s\n", + i, info->sysinfo_3_2_2.vm[i].cpi); + + len += sprintf (page+len, "VM%02d Adjustment: %d\n", + i, info->sysinfo_3_2_2.vm[i].caf); + + len += sprintf (page+len, "VM%02d CPUs Total: %d\n", + i, info->sysinfo_3_2_2.vm[i].cpus_total); + len += sprintf (page+len, "VM%02d CPUs Configured: %d\n", + i, info->sysinfo_3_2_2.vm[i].cpus_configured); + len += sprintf (page+len, "VM%02d CPUs Standby: %d\n", + i, info->sysinfo_3_2_2.vm[i].cpus_standby); + len += sprintf (page+len, "VM%02d CPUs Reserved: %d\n", + i, info->sysinfo_3_2_2.vm[i].cpus_reserved); + } + } + + free_page (info_page); + 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); + -- cgit v1.2.3