diff options
| -rw-r--r-- | arch/s390/boot/uv.c | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/uv.h | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/uv.c | 33 |
3 files changed, 40 insertions, 0 deletions
diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c index b100b57cf15d..67c737c1e580 100644 --- a/arch/s390/boot/uv.c +++ b/arch/s390/boot/uv.c @@ -43,6 +43,8 @@ void uv_query_info(void) uv_info.uv_feature_indications = uvcb.uv_feature_indications; uv_info.supp_se_hdr_ver = uvcb.supp_se_hdr_versions; uv_info.supp_se_hdr_pcf = uvcb.supp_se_hdr_pcf; + uv_info.conf_dump_storage_state_len = uvcb.conf_dump_storage_state_len; + uv_info.conf_dump_finalize_len = uvcb.conf_dump_finalize_len; } #ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index 46498b8c587b..e8257a293dd1 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -114,6 +114,9 @@ struct uv_cb_qui { u64 supp_se_hdr_versions; /* 0x00b0 */ u64 supp_se_hdr_pcf; /* 0x00b8 */ u64 reservedc0; /* 0x00c0 */ + u64 conf_dump_storage_state_len; /* 0x00c8 */ + u64 conf_dump_finalize_len; /* 0x00d0 */ + u8 reservedd8[256 - 216]; /* 0x00d8 */ } __packed __aligned(8); /* Initialize Ultravisor */ @@ -312,6 +315,8 @@ struct uv_info { unsigned long uv_feature_indications; unsigned long supp_se_hdr_ver; unsigned long supp_se_hdr_pcf; + unsigned long conf_dump_storage_state_len; + unsigned long conf_dump_finalize_len; }; extern struct uv_info uv_info; diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index 852840384e75..84fe33b6af4d 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -410,6 +410,36 @@ static ssize_t uv_query_supp_se_hdr_pcf(struct kobject *kobj, static struct kobj_attribute uv_query_supp_se_hdr_pcf_attr = __ATTR(supp_se_hdr_pcf, 0444, uv_query_supp_se_hdr_pcf, NULL); +static ssize_t uv_query_dump_cpu_len(struct kobject *kobj, + struct kobj_attribute *attr, char *page) +{ + return scnprintf(page, PAGE_SIZE, "%lx\n", + uv_info.guest_cpu_stor_len); +} + +static struct kobj_attribute uv_query_dump_cpu_len_attr = + __ATTR(uv_query_dump_cpu_len, 0444, uv_query_dump_cpu_len, NULL); + +static ssize_t uv_query_dump_storage_state_len(struct kobject *kobj, + struct kobj_attribute *attr, char *page) +{ + return scnprintf(page, PAGE_SIZE, "%lx\n", + uv_info.conf_dump_storage_state_len); +} + +static struct kobj_attribute uv_query_dump_storage_state_len_attr = + __ATTR(dump_storage_state_len, 0444, uv_query_dump_storage_state_len, NULL); + +static ssize_t uv_query_dump_finalize_len(struct kobject *kobj, + struct kobj_attribute *attr, char *page) +{ + return scnprintf(page, PAGE_SIZE, "%lx\n", + uv_info.conf_dump_finalize_len); +} + +static struct kobj_attribute uv_query_dump_finalize_len_attr = + __ATTR(dump_finalize_len, 0444, uv_query_dump_finalize_len, NULL); + static ssize_t uv_query_feature_indications(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { @@ -457,6 +487,9 @@ static struct attribute *uv_query_attrs[] = { &uv_query_max_guest_addr_attr.attr, &uv_query_supp_se_hdr_ver_attr.attr, &uv_query_supp_se_hdr_pcf_attr.attr, + &uv_query_dump_storage_state_len_attr.attr, + &uv_query_dump_finalize_len_attr.attr, + &uv_query_dump_cpu_len_attr.attr, NULL, }; |