From d12292fdea21f9f4ae5865fd41b730c5e32d45a9 Mon Sep 17 00:00:00 2001 From: Vasily Gorbik Date: Wed, 19 Jan 2022 23:44:32 +0100 Subject: [PATCH] s390/sysinfo: add variable capacity information If available, add machine variable capacity information to /proc/sysinfo Acked-by: Heiko Carstens Signed-off-by: Vasily Gorbik Signed-off-by: Alexander Gordeev --- arch/s390/include/asm/sysinfo.h | 4 ++++ arch/s390/kernel/sysinfo.c | 10 ++++++++++ 2 files changed, 14 insertions(+) diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h index ab1c6316055c2..edca5a751df41 100644 --- a/arch/s390/include/asm/sysinfo.h +++ b/arch/s390/include/asm/sysinfo.h @@ -40,6 +40,10 @@ struct sysinfo_1_1_1 { unsigned int ncr; unsigned int npr; unsigned int ntr; + char reserved_3[4]; + char model_var_cap[16]; + unsigned int model_var_cap_rating; + unsigned int nvr; }; struct sysinfo_1_2_1 { diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index b5e364358ce43..f6f8f498c9be3 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -81,10 +81,12 @@ static bool convert_ext_name(unsigned char encoding, char *name, size_t len) static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info) { + bool has_var_cap; int i; if (stsi(info, 1, 1, 1)) return; + has_var_cap = !!info->model_var_cap[0]; EBCASC(info->manufacturer, sizeof(info->manufacturer)); EBCASC(info->type, sizeof(info->type)); EBCASC(info->model, sizeof(info->model)); @@ -93,6 +95,8 @@ static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info) 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)); + if (has_var_cap) + EBCASC(info->model_var_cap, sizeof(info->model_var_cap)); seq_printf(m, "Manufacturer: %-16.16s\n", info->manufacturer); seq_printf(m, "Type: %-4.4s\n", info->type); if (info->lic) @@ -120,12 +124,18 @@ static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info) seq_printf(m, "Model Temp. Capacity: %-16.16s %08u\n", info->model_temp_cap, info->model_temp_cap_rating); + if (has_var_cap && info->model_var_cap_rating) + seq_printf(m, "Model Var. Capacity: %-16.16s %08u\n", + info->model_var_cap, + info->model_var_cap_rating); if (info->ncr) seq_printf(m, "Nominal Cap. Rating: %08u\n", info->ncr); if (info->npr) seq_printf(m, "Nominal Perm. Rating: %08u\n", info->npr); if (info->ntr) seq_printf(m, "Nominal Temp. Rating: %08u\n", info->ntr); + if (has_var_cap && info->nvr) + seq_printf(m, "Nominal Var. Rating: %08u\n", info->nvr); if (info->cai) { seq_printf(m, "Capacity Adj. Ind.: %d\n", info->cai); seq_printf(m, "Capacity Ch. Reason: %d\n", info->ccr); -- 2.30.2