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https://github.com/adulau/aha.git
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[S390] cleanup sysinfo and add system z9 specific extensions.
With System z9 additional fields have been added to the output of the store system information instruction. This patch adds the new model information field and the alternate cpu capability fields to the output of /proc/sysinfo. While we at it clean up the code as well. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
parent
b0035f127e
commit
0fee644ada
1 changed files with 241 additions and 234 deletions
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@ -11,19 +11,18 @@
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#include <linux/init.h>
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#include <asm/ebcdic.h>
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struct sysinfo_1_1_1
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{
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struct sysinfo_1_1_1 {
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char reserved_0[32];
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char manufacturer[16];
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char type[4];
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char reserved_1[12];
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char model[16];
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char model_capacity[16];
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char sequence[16];
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char plant[4];
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char model[16];
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};
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struct sysinfo_1_2_1
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{
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struct sysinfo_1_2_1 {
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char reserved_0[80];
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char sequence[16];
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char plant[4];
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@ -31,9 +30,12 @@ struct sysinfo_1_2_1
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unsigned short cpu_address;
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};
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struct sysinfo_1_2_2
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{
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char reserved_0[32];
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struct sysinfo_1_2_2 {
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char format;
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char reserved_0[1];
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unsigned short acc_offset;
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char reserved_1[24];
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unsigned int secondary_capability;
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unsigned int capability;
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unsigned short cpus_total;
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unsigned short cpus_configured;
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@ -42,8 +44,12 @@ struct sysinfo_1_2_2
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unsigned short adjustment[0];
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};
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struct sysinfo_2_2_1
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{
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struct sysinfo_1_2_2_extension {
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unsigned int alt_capability;
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unsigned short alt_adjustment[0];
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};
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struct sysinfo_2_2_1 {
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char reserved_0[80];
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char sequence[16];
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char plant[4];
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@ -51,15 +57,11 @@ struct sysinfo_2_2_1
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unsigned short cpu_address;
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};
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struct sysinfo_2_2_2
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{
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struct sysinfo_2_2_2 {
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char reserved_0[32];
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unsigned short lpar_number;
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char reserved_1;
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unsigned char characteristics;
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#define LPAR_CHAR_DEDICATED (1 << 7)
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#define LPAR_CHAR_SHARED (1 << 6)
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#define LPAR_CHAR_LIMITED (1 << 5)
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unsigned short cpus_total;
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unsigned short cpus_configured;
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unsigned short cpus_standby;
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@ -71,12 +73,14 @@ struct sysinfo_2_2_2
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unsigned short cpus_shared;
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};
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struct sysinfo_3_2_2
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{
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#define LPAR_CHAR_DEDICATED (1 << 7)
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#define LPAR_CHAR_SHARED (1 << 6)
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#define LPAR_CHAR_LIMITED (1 << 5)
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struct sysinfo_3_2_2 {
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char reserved_0[31];
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unsigned char count;
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struct
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{
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struct {
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char reserved_0[4];
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unsigned short cpus_total;
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unsigned short cpus_configured;
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@ -90,136 +94,223 @@ struct sysinfo_3_2_2
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} vm[8];
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};
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union s390_sysinfo
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static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
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{
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struct sysinfo_1_1_1 sysinfo_1_1_1;
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struct sysinfo_1_2_1 sysinfo_1_2_1;
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struct sysinfo_1_2_2 sysinfo_1_2_2;
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struct sysinfo_2_2_1 sysinfo_2_2_1;
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struct sysinfo_2_2_2 sysinfo_2_2_2;
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struct sysinfo_3_2_2 sysinfo_3_2_2;
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};
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register int r0 asm("0") = (fc << 28) | sel1;
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register int r1 asm("1") = sel2;
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static inline int stsi (void *sysinfo,
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int fc, int sel1, int sel2)
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{
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int cc, retv;
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#ifndef CONFIG_64BIT
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__asm__ __volatile__ ( "lr\t0,%2\n"
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"\tlr\t1,%3\n"
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"\tstsi\t0(%4)\n"
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"0:\tipm\t%0\n"
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"\tsrl\t%0,28\n"
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"1:lr\t%1,0\n"
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".section .fixup,\"ax\"\n"
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"2:\tlhi\t%0,3\n"
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"\tbras\t1,3f\n"
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"\t.long 1b\n"
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"3:\tl\t1,0(1)\n"
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"\tbr\t1\n"
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".previous\n"
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".section __ex_table,\"a\"\n"
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"\t.align 4\n"
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"\t.long 0b,2b\n"
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".previous\n"
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: "=d" (cc), "=d" (retv)
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: "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo)
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: "cc", "memory", "0", "1" );
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#else
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__asm__ __volatile__ ( "lr\t0,%2\n"
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"lr\t1,%3\n"
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"\tstsi\t0(%4)\n"
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"0:\tipm\t%0\n"
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"\tsrl\t%0,28\n"
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"1:lr\t%1,0\n"
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".section .fixup,\"ax\"\n"
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"2:\tlhi\t%0,3\n"
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"\tjg\t1b\n"
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".previous\n"
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".section __ex_table,\"a\"\n"
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"\t.align 8\n"
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"\t.quad 0b,2b\n"
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".previous\n"
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: "=d" (cc), "=d" (retv)
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: "d" ((fc << 28) | sel1), "d" (sel2), "a" (sysinfo)
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: "cc", "memory", "0", "1" );
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#endif
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return cc? -1 : retv;
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asm volatile(
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" stsi 0(%2)\n"
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"0: jz 2f\n"
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"1: lhi %0,%3\n"
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"2:\n"
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EX_TABLE(0b,1b)
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: "+d" (r0) : "d" (r1), "a" (sysinfo), "K" (-ENOSYS)
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: "cc", "memory" );
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return r0;
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}
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static inline int stsi_0 (void)
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static inline int stsi_0(void)
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{
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int rc = stsi (NULL, 0, 0, 0);
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return rc == -1 ? rc : (((unsigned int)rc) >> 28);
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return rc == -ENOSYS ? rc : (((unsigned int) rc) >> 28);
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}
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static inline int stsi_1_1_1 (struct sysinfo_1_1_1 *info)
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static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len)
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{
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int rc = stsi (info, 1, 1, 1);
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if (rc != -1)
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{
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EBCASC (info->manufacturer, sizeof(info->manufacturer));
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EBCASC (info->type, sizeof(info->type));
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EBCASC (info->model, sizeof(info->model));
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EBCASC (info->sequence, sizeof(info->sequence));
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EBCASC (info->plant, sizeof(info->plant));
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if (stsi(info, 1, 1, 1) == -ENOSYS)
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return len;
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EBCASC(info->manufacturer, sizeof(info->manufacturer));
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EBCASC(info->type, sizeof(info->type));
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EBCASC(info->model, sizeof(info->model));
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EBCASC(info->sequence, sizeof(info->sequence));
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EBCASC(info->plant, sizeof(info->plant));
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EBCASC(info->model_capacity, sizeof(info->model_capacity));
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len += sprintf(page + len, "Manufacturer: %-16.16s\n",
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info->manufacturer);
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len += sprintf(page + len, "Type: %-4.4s\n",
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info->type);
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if (info->model[0] != '\0')
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/*
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* Sigh: the model field has been renamed with System z9
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* to model_capacity and a new model field has been added
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* after the plant field. To avoid confusing older programs
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* the "Model:" prints "model_capacity model" or just
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* "model_capacity" if the model string is empty .
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*/
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len += sprintf(page + len,
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"Model: %-16.16s %-16.16s\n",
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info->model_capacity, info->model);
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else
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len += sprintf(page + len, "Model: %-16.16s\n",
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info->model_capacity);
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len += sprintf(page + len, "Sequence Code: %-16.16s\n",
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info->sequence);
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len += sprintf(page + len, "Plant: %-4.4s\n",
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info->plant);
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len += sprintf(page + len, "Model Capacity: %-16.16s\n",
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info->model_capacity);
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return len;
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}
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#if 0 /* Currently unused */
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static int stsi_1_2_1(struct sysinfo_1_2_1 *info, char *page, int len)
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{
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if (stsi(info, 1, 2, 1) == -ENOSYS)
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return len;
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len += sprintf(page + len, "\n");
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EBCASC(info->sequence, sizeof(info->sequence));
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EBCASC(info->plant, sizeof(info->plant));
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len += sprintf(page + len, "Sequence Code of CPU: %-16.16s\n",
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info->sequence);
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len += sprintf(page + len, "Plant of CPU: %-16.16s\n",
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info->plant);
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return len;
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}
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#endif
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static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len)
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{
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struct sysinfo_1_2_2_extension *ext;
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int i;
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if (stsi(info, 1, 2, 2) == -ENOSYS)
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return len;
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ext = (struct sysinfo_1_2_2_extension *)
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((unsigned long) info + info->acc_offset);
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len += sprintf(page + len, "\n");
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len += sprintf(page + len, "CPUs Total: %d\n",
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info->cpus_total);
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len += sprintf(page + len, "CPUs Configured: %d\n",
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info->cpus_configured);
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len += sprintf(page + len, "CPUs Standby: %d\n",
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info->cpus_standby);
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len += sprintf(page + len, "CPUs Reserved: %d\n",
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info->cpus_reserved);
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if (info->format == 1) {
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/*
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* Sigh 2. According to the specification the alternate
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* capability field is a 32 bit floating point number
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* if the higher order 8 bits are not zero. Printing
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* a floating point number in the kernel is a no-no,
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* always print the number as 32 bit unsigned integer.
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* The user-space needs to know about the stange
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* encoding of the alternate cpu capability.
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*/
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len += sprintf(page + len, "Capability: %u %u\n",
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info->capability, ext->alt_capability);
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for (i = 2; i <= info->cpus_total; i++)
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len += sprintf(page + len,
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"Adjustment %02d-way: %u %u\n",
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i, info->adjustment[i-2],
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ext->alt_adjustment[i-2]);
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} else {
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len += sprintf(page + len, "Capability: %u\n",
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info->capability);
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for (i = 2; i <= info->cpus_total; i++)
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len += sprintf(page + len,
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"Adjustment %02d-way: %u\n",
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i, info->adjustment[i-2]);
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}
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return rc == -1 ? rc : 0;
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if (info->secondary_capability != 0)
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len += sprintf(page + len, "Secondary Capability: %d\n",
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info->secondary_capability);
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return len;
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}
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static inline int stsi_1_2_1 (struct sysinfo_1_2_1 *info)
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#if 0 /* Currently unused */
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static int stsi_2_2_1(struct sysinfo_2_2_1 *info, char *page, int len)
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{
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int rc = stsi (info, 1, 2, 1);
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if (rc != -1)
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{
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EBCASC (info->sequence, sizeof(info->sequence));
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EBCASC (info->plant, sizeof(info->plant));
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if (stsi(info, 2, 2, 1) == -ENOSYS)
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return len;
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len += sprintf(page + len, "\n");
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EBCASC (info->sequence, sizeof(info->sequence));
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EBCASC (info->plant, sizeof(info->plant));
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len += sprintf(page + len, "Sequence Code of logical CPU: %-16.16s\n",
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info->sequence);
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len += sprintf(page + len, "Plant of logical CPU: %-16.16s\n",
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info->plant);
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return len;
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}
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#endif
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static int stsi_2_2_2(struct sysinfo_2_2_2 *info, char *page, int len)
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{
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if (stsi(info, 2, 2, 2) == -ENOSYS)
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return len;
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EBCASC (info->name, sizeof(info->name));
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len += sprintf(page + len, "\n");
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len += sprintf(page + len, "LPAR Number: %d\n",
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info->lpar_number);
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len += sprintf(page + len, "LPAR Characteristics: ");
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if (info->characteristics & LPAR_CHAR_DEDICATED)
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len += sprintf(page + len, "Dedicated ");
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if (info->characteristics & LPAR_CHAR_SHARED)
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len += sprintf(page + len, "Shared ");
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if (info->characteristics & LPAR_CHAR_LIMITED)
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len += sprintf(page + len, "Limited ");
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len += sprintf(page + len, "\n");
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len += sprintf(page + len, "LPAR Name: %-8.8s\n",
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info->name);
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len += sprintf(page + len, "LPAR Adjustment: %d\n",
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info->caf);
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len += sprintf(page + len, "LPAR CPUs Total: %d\n",
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info->cpus_total);
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len += sprintf(page + len, "LPAR CPUs Configured: %d\n",
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info->cpus_configured);
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len += sprintf(page + len, "LPAR CPUs Standby: %d\n",
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info->cpus_standby);
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len += sprintf(page + len, "LPAR CPUs Reserved: %d\n",
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info->cpus_reserved);
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len += sprintf(page + len, "LPAR CPUs Dedicated: %d\n",
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info->cpus_dedicated);
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len += sprintf(page + len, "LPAR CPUs Shared: %d\n",
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info->cpus_shared);
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return len;
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}
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static int stsi_3_2_2(struct sysinfo_3_2_2 *info, char *page, int len)
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{
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int i;
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if (stsi(info, 3, 2, 2) == -ENOSYS)
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return len;
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for (i = 0; i < info->count; i++) {
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EBCASC (info->vm[i].name, sizeof(info->vm[i].name));
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EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi));
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len += sprintf(page + len, "\n");
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len += sprintf(page + len, "VM%02d Name: %-8.8s\n",
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i, info->vm[i].name);
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len += sprintf(page + len, "VM%02d Control Program: %-16.16s\n",
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i, info->vm[i].cpi);
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len += sprintf(page + len, "VM%02d Adjustment: %d\n",
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i, info->vm[i].caf);
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len += sprintf(page + len, "VM%02d CPUs Total: %d\n",
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i, info->vm[i].cpus_total);
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len += sprintf(page + len, "VM%02d CPUs Configured: %d\n",
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i, info->vm[i].cpus_configured);
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len += sprintf(page + len, "VM%02d CPUs Standby: %d\n",
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i, info->vm[i].cpus_standby);
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len += sprintf(page + len, "VM%02d CPUs Reserved: %d\n",
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i, info->vm[i].cpus_reserved);
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}
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return rc == -1 ? rc : 0;
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}
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static inline int stsi_1_2_2 (struct sysinfo_1_2_2 *info)
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{
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int rc = stsi (info, 1, 2, 2);
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return rc == -1 ? rc : 0;
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}
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static inline int stsi_2_2_1 (struct sysinfo_2_2_1 *info)
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{
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int rc = stsi (info, 2, 2, 1);
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if (rc != -1)
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{
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EBCASC (info->sequence, sizeof(info->sequence));
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EBCASC (info->plant, sizeof(info->plant));
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}
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return rc == -1 ? rc : 0;
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}
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static inline int stsi_2_2_2 (struct sysinfo_2_2_2 *info)
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{
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int rc = stsi (info, 2, 2, 2);
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if (rc != -1)
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{
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EBCASC (info->name, sizeof(info->name));
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}
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return rc == -1 ? rc : 0;
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}
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static inline int stsi_3_2_2 (struct sysinfo_3_2_2 *info)
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{
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int rc = stsi (info, 3, 2, 2);
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if (rc != -1)
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{
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int i;
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for (i = 0; i < info->count; i++)
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{
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EBCASC (info->vm[i].name, sizeof(info->vm[i].name));
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EBCASC (info->vm[i].cpi, sizeof(info->vm[i].cpi));
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}
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}
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return rc == -1 ? rc : 0;
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return len;
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}
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@ -227,118 +318,34 @@ static int proc_read_sysinfo(char *page, char **start,
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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;
|
||||
unsigned long info = get_zeroed_page (GFP_KERNEL);
|
||||
int level, len;
|
||||
|
||||
if (!info)
|
||||
return 0;
|
||||
|
||||
level = stsi_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 && 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)
|
||||
len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len);
|
||||
|
||||
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);
|
||||
if (level >= 2)
|
||||
len = stsi_2_2_2((struct sysinfo_2_2_2 *) info, page, len);
|
||||
|
||||
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 >= 3)
|
||||
len = stsi_3_2_2((struct sysinfo_3_2_2 *) info, page, len);
|
||||
|
||||
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);
|
||||
free_page (info);
|
||||
return len;
|
||||
}
|
||||
|
||||
static __init int create_proc_sysinfo(void)
|
||||
{
|
||||
create_proc_read_entry ("sysinfo", 0444, NULL,
|
||||
proc_read_sysinfo, NULL);
|
||||
create_proc_read_entry("sysinfo", 0444, NULL,
|
||||
proc_read_sysinfo, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue