v4.19.13 snapshot.
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
new file mode 100644
index 0000000..e44a8d7
--- /dev/null
+++ b/arch/s390/include/asm/sclp.h
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 2007
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#ifndef _ASM_S390_SCLP_H
+#define _ASM_S390_SCLP_H
+
+#include <linux/types.h>
+#include <asm/chpid.h>
+#include <asm/cpu.h>
+
+#define SCLP_CHP_INFO_MASK_SIZE 32
+#define SCLP_MAX_CORES 256
+
+struct sclp_chp_info {
+ u8 recognized[SCLP_CHP_INFO_MASK_SIZE];
+ u8 standby[SCLP_CHP_INFO_MASK_SIZE];
+ u8 configured[SCLP_CHP_INFO_MASK_SIZE];
+};
+
+#define LOADPARM_LEN 8
+
+struct sclp_ipl_info {
+ int is_valid;
+ int has_dump;
+ char loadparm[LOADPARM_LEN];
+};
+
+struct sclp_core_entry {
+ u8 core_id;
+ u8 reserved0;
+ u8 : 4;
+ u8 sief2 : 1;
+ u8 skey : 1;
+ u8 : 2;
+ u8 : 2;
+ u8 gpere : 1;
+ u8 siif : 1;
+ u8 sigpif : 1;
+ u8 : 3;
+ u8 reserved2[3];
+ u8 : 2;
+ u8 ib : 1;
+ u8 cei : 1;
+ u8 : 4;
+ u8 reserved3[6];
+ u8 type;
+ u8 reserved1;
+} __attribute__((packed));
+
+struct sclp_core_info {
+ unsigned int configured;
+ unsigned int standby;
+ unsigned int combined;
+ struct sclp_core_entry core[SCLP_MAX_CORES];
+};
+
+struct sclp_info {
+ unsigned char has_linemode : 1;
+ unsigned char has_vt220 : 1;
+ unsigned char has_siif : 1;
+ unsigned char has_sigpif : 1;
+ unsigned char has_core_type : 1;
+ unsigned char has_sprp : 1;
+ unsigned char has_hvs : 1;
+ unsigned char has_esca : 1;
+ unsigned char has_sief2 : 1;
+ unsigned char has_64bscao : 1;
+ unsigned char has_gpere : 1;
+ unsigned char has_cmma : 1;
+ unsigned char has_gsls : 1;
+ unsigned char has_ib : 1;
+ unsigned char has_cei : 1;
+ unsigned char has_pfmfi : 1;
+ unsigned char has_ibs : 1;
+ unsigned char has_skey : 1;
+ unsigned char has_kss : 1;
+ unsigned char has_gisaf : 1;
+ unsigned int ibc;
+ unsigned int mtid;
+ unsigned int mtid_cp;
+ unsigned int mtid_prev;
+ unsigned long rzm;
+ unsigned long rnmax;
+ unsigned long hamax;
+ unsigned int max_cores;
+ unsigned long hsa_size;
+ unsigned long facilities;
+ unsigned int hmfai;
+};
+extern struct sclp_info sclp;
+
+struct zpci_report_error_header {
+ u8 version; /* Interface version byte */
+ u8 action; /* Action qualifier byte
+ * 1: Deconfigure and repair action requested
+ * (OpenCrypto Problem Call Home)
+ * 2: Informational Report
+ * (OpenCrypto Successful Diagnostics Execution)
+ */
+ u16 length; /* Length of Subsequent Data (up to 4K – SCLP header */
+ u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */
+} __packed;
+
+int sclp_early_get_core_info(struct sclp_core_info *info);
+void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
+void sclp_early_detect(void);
+void sclp_early_printk(const char *s);
+void sclp_early_printk_force(const char *s);
+void __sclp_early_printk(const char *s, unsigned int len, unsigned int force);
+
+int _sclp_get_core_info(struct sclp_core_info *info);
+int sclp_core_configure(u8 core);
+int sclp_core_deconfigure(u8 core);
+int sclp_sdias_blk_count(void);
+int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
+int sclp_chp_configure(struct chp_id chpid);
+int sclp_chp_deconfigure(struct chp_id chpid);
+int sclp_chp_read_info(struct sclp_chp_info *info);
+int sclp_pci_configure(u32 fid);
+int sclp_pci_deconfigure(u32 fid);
+int sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
+int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
+int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
+void sclp_ocf_cpc_name_copy(char *dst);
+
+static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
+{
+ if (early)
+ return sclp_early_get_core_info(info);
+ return _sclp_get_core_info(info);
+}
+
+#endif /* _ASM_S390_SCLP_H */