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-rw-r--r--drivers/s390/char/Makefile2
-rw-r--r--drivers/s390/char/con3215.c7
-rw-r--r--drivers/s390/char/raw3270.h1
-rw-r--r--drivers/s390/char/sclp.h4
-rw-r--r--drivers/s390/char/sclp_ap.c63
-rw-r--r--drivers/s390/char/sclp_cmd.c2
-rw-r--r--drivers/s390/char/sclp_early_core.c15
-rw-r--r--drivers/s390/char/sclp_rw.c18
-rw-r--r--drivers/s390/char/sclp_rw.h2
-rw-r--r--drivers/s390/char/sclp_sdias.c8
-rw-r--r--drivers/s390/char/tape.h3
-rw-r--r--drivers/s390/char/tape_std.h12
-rw-r--r--drivers/s390/char/zcore.c17
13 files changed, 86 insertions, 68 deletions
diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile
index 845e12ac5954..c6fdb81a068a 100644
--- a/drivers/s390/char/Makefile
+++ b/drivers/s390/char/Makefile
@@ -34,6 +34,8 @@ obj-$(CONFIG_SCLP_VT220_TTY) += sclp_vt220.o
obj-$(CONFIG_PCI) += sclp_pci.o
+obj-$(subst m,y,$(CONFIG_ZCRYPT)) += sclp_ap.o
+
obj-$(CONFIG_VMLOGRDR) += vmlogrdr.o
obj-$(CONFIG_VMCP) += vmcp.o
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 92757f9bd010..d8acabbb1ed3 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -978,7 +978,6 @@ static int tty3215_install(struct tty_driver *driver, struct tty_struct *tty)
static int tty3215_open(struct tty_struct *tty, struct file * filp)
{
struct raw3215_info *raw = tty->driver_data;
- int retval;
tty_port_tty_set(&raw->port, tty);
@@ -986,11 +985,7 @@ static int tty3215_open(struct tty_struct *tty, struct file * filp)
/*
* Start up 3215 device
*/
- retval = raw3215_startup(raw);
- if (retval)
- return retval;
-
- return 0;
+ return raw3215_startup(raw);
}
/*
diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h
index 08f36e973b43..8d979e0ee605 100644
--- a/drivers/s390/char/raw3270.h
+++ b/drivers/s390/char/raw3270.h
@@ -110,7 +110,6 @@ struct raw3270_request {
};
struct raw3270_request *raw3270_request_alloc(size_t size);
-struct raw3270_request *raw3270_request_alloc_bootmem(size_t size);
void raw3270_request_free(struct raw3270_request *);
void raw3270_request_reset(struct raw3270_request *);
void raw3270_request_set_cmd(struct raw3270_request *, u8 cmd);
diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h
index 196333013e54..69d9cde9ff5a 100644
--- a/drivers/s390/char/sclp.h
+++ b/drivers/s390/char/sclp.h
@@ -229,7 +229,7 @@ static inline void sclp_fill_core_info(struct sclp_core_info *info,
#define SCLP_HAS_CPU_INFO (sclp.facilities & 0x0800000000000000ULL)
#define SCLP_HAS_CPU_RECONFIG (sclp.facilities & 0x0400000000000000ULL)
#define SCLP_HAS_PCI_RECONFIG (sclp.facilities & 0x0000000040000000ULL)
-
+#define SCLP_HAS_AP_RECONFIG (sclp.facilities & 0x0000000100000000ULL)
struct gds_subvector {
u8 length;
@@ -305,9 +305,7 @@ int sclp_deactivate(void);
int sclp_reactivate(void);
int sclp_sync_request(sclp_cmdw_t command, void *sccb);
int sclp_sync_request_timeout(sclp_cmdw_t command, void *sccb, int timeout);
-
int sclp_sdias_init(void);
-void sclp_sdias_exit(void);
enum {
sclp_init_state_uninitialized,
diff --git a/drivers/s390/char/sclp_ap.c b/drivers/s390/char/sclp_ap.c
new file mode 100644
index 000000000000..0dd1ca712795
--- /dev/null
+++ b/drivers/s390/char/sclp_ap.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * s390 crypto adapter related sclp functions.
+ *
+ * Copyright IBM Corp. 2020
+ */
+#define KMSG_COMPONENT "sclp_cmd"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
+#include <linux/export.h>
+#include <linux/slab.h>
+#include <asm/sclp.h>
+#include "sclp.h"
+
+#define SCLP_CMDW_CONFIGURE_AP 0x001f0001
+#define SCLP_CMDW_DECONFIGURE_AP 0x001e0001
+
+struct ap_cfg_sccb {
+ struct sccb_header header;
+} __packed;
+
+static int do_ap_configure(sclp_cmdw_t cmd, u32 apid)
+{
+ struct ap_cfg_sccb *sccb;
+ int rc;
+
+ if (!SCLP_HAS_AP_RECONFIG)
+ return -EOPNOTSUPP;
+
+ sccb = (struct ap_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!sccb)
+ return -ENOMEM;
+
+ sccb->header.length = PAGE_SIZE;
+ cmd |= (apid & 0xFF) << 8;
+ rc = sclp_sync_request(cmd, sccb);
+ if (rc)
+ goto out;
+ switch (sccb->header.response_code) {
+ case 0x0020: case 0x0120: case 0x0440: case 0x0450:
+ break;
+ default:
+ pr_warn("configure AP adapter %u failed: cmd=0x%08x response=0x%04x\n",
+ apid, cmd, sccb->header.response_code);
+ rc = -EIO;
+ break;
+ }
+out:
+ free_page((unsigned long) sccb);
+ return rc;
+}
+
+int sclp_ap_configure(u32 apid)
+{
+ return do_ap_configure(SCLP_CMDW_CONFIGURE_AP, apid);
+}
+EXPORT_SYMBOL(sclp_ap_configure);
+
+int sclp_ap_deconfigure(u32 apid)
+{
+ return do_ap_configure(SCLP_CMDW_DECONFIGURE_AP, apid);
+}
+EXPORT_SYMBOL(sclp_ap_deconfigure);
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index a864b21af602..f6e97f0830f6 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -406,7 +406,7 @@ static void __init add_memory_merged(u16 rn)
if (!size)
goto skip_add;
for (addr = start; addr < start + size; addr += block_size)
- add_memory(0, addr, block_size);
+ add_memory(0, addr, block_size, MHP_NONE);
skip_add:
first_rn = rn;
num = 1;
diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c
index 7737470f8498..a960afa974bf 100644
--- a/drivers/s390/char/sclp_early_core.c
+++ b/drivers/s390/char/sclp_early_core.c
@@ -17,12 +17,12 @@
static struct read_info_sccb __bootdata(sclp_info_sccb);
static int __bootdata(sclp_info_sccb_valid);
char *sclp_early_sccb = (char *) EARLY_SCCB_OFFSET;
-int sclp_init_state __section(.data) = sclp_init_state_uninitialized;
+int sclp_init_state = sclp_init_state_uninitialized;
/*
* Used to keep track of the size of the event masks. Qemu until version 2.11
* only supports 4 and needs a workaround.
*/
-bool sclp_mask_compat_mode __section(.data);
+bool sclp_mask_compat_mode;
void sclp_early_wait_irq(void)
{
@@ -214,11 +214,11 @@ static int sclp_early_setup(int disable, int *have_linemode, int *have_vt220)
* Output one or more lines of text on the SCLP console (VT220 and /
* or line-mode).
*/
-void __sclp_early_printk(const char *str, unsigned int len, unsigned int force)
+void __sclp_early_printk(const char *str, unsigned int len)
{
int have_linemode, have_vt220;
- if (!force && sclp_init_state != sclp_init_state_uninitialized)
+ if (sclp_init_state != sclp_init_state_uninitialized)
return;
if (sclp_early_setup(0, &have_linemode, &have_vt220) != 0)
return;
@@ -231,12 +231,7 @@ void __sclp_early_printk(const char *str, unsigned int len, unsigned int force)
void sclp_early_printk(const char *str)
{
- __sclp_early_printk(str, strlen(str), 0);
-}
-
-void sclp_early_printk_force(const char *str)
-{
- __sclp_early_printk(str, strlen(str), 1);
+ __sclp_early_printk(str, strlen(str));
}
int __init sclp_early_read_info(void)
diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c
index 44594a492553..d6c84e354df5 100644
--- a/drivers/s390/char/sclp_rw.c
+++ b/drivers/s390/char/sclp_rw.c
@@ -337,24 +337,6 @@ sclp_chars_in_buffer(struct sclp_buffer *buffer)
}
/*
- * sets or provides some values that influence the drivers behaviour
- */
-void
-sclp_set_columns(struct sclp_buffer *buffer, unsigned short columns)
-{
- buffer->columns = columns;
- if (buffer->current_line != NULL &&
- buffer->current_length > buffer->columns)
- sclp_finalize_mto(buffer);
-}
-
-void
-sclp_set_htab(struct sclp_buffer *buffer, unsigned short htab)
-{
- buffer->htab = htab;
-}
-
-/*
* called by sclp_console_init and/or sclp_tty_init
*/
int
diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h
index a2eb22f67393..93d706e4935c 100644
--- a/drivers/s390/char/sclp_rw.h
+++ b/drivers/s390/char/sclp_rw.h
@@ -86,8 +86,6 @@ void *sclp_unmake_buffer(struct sclp_buffer *);
int sclp_buffer_space(struct sclp_buffer *);
int sclp_write(struct sclp_buffer *buffer, const unsigned char *, int);
int sclp_emit_buffer(struct sclp_buffer *,void (*)(struct sclp_buffer *,int));
-void sclp_set_columns(struct sclp_buffer *, unsigned short);
-void sclp_set_htab(struct sclp_buffer *, unsigned short);
int sclp_chars_in_buffer(struct sclp_buffer *);
#ifdef CONFIG_SCLP_CONSOLE
diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index 644b61013679..215d4b4a5ff5 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -257,7 +257,7 @@ static int __init sclp_sdias_init_async(void)
int __init sclp_sdias_init(void)
{
- if (ipl_info.type != IPL_TYPE_FCP_DUMP)
+ if (!is_ipl_type_dump())
return 0;
sclp_sdias_sccb = (void *) __get_free_page(GFP_KERNEL | GFP_DMA);
BUG_ON(!sclp_sdias_sccb);
@@ -275,9 +275,3 @@ out:
TRACE("init done\n");
return 0;
}
-
-void __exit sclp_sdias_exit(void)
-{
- debug_unregister(sdias_dbf);
- sclp_unregister(&sclp_sdias_register);
-}
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index 8bec5f9ea92c..e2c60475dfa8 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -238,7 +238,6 @@ extern int tape_do_io(struct tape_device *, struct tape_request *);
extern int tape_do_io_async(struct tape_device *, struct tape_request *);
extern int tape_do_io_interruptible(struct tape_device *, struct tape_request *);
extern int tape_cancel_io(struct tape_device *, struct tape_request *);
-void tape_hotplug_event(struct tape_device *, int major, int action);
static inline int
tape_do_io_free(struct tape_device *device, struct tape_request *request)
@@ -258,8 +257,6 @@ tape_do_io_async_free(struct tape_device *device, struct tape_request *request)
tape_do_io_async(device, request);
}
-extern int tape_oper_handler(int irq, int status);
-extern void tape_noper_handler(int irq, int status);
extern int tape_open(struct tape_device *);
extern int tape_release(struct tape_device *);
extern int tape_mtop(struct tape_device *, int, int);
diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h
index 53ec8e2870d4..dcc63ff587f9 100644
--- a/drivers/s390/char/tape_std.h
+++ b/drivers/s390/char/tape_std.h
@@ -101,7 +101,6 @@ struct tape_request *tape_std_read_block(struct tape_device *, size_t);
void tape_std_read_backward(struct tape_device *device,
struct tape_request *request);
struct tape_request *tape_std_write_block(struct tape_device *, size_t);
-void tape_std_check_locate(struct tape_device *, struct tape_request *);
/* Some non-mtop commands. */
int tape_std_assign(struct tape_device *);
@@ -131,19 +130,8 @@ int tape_std_mtunload(struct tape_device *, int);
int tape_std_mtweof(struct tape_device *, int);
/* Event handlers */
-void tape_std_default_handler(struct tape_device *);
-void tape_std_unexpect_uchk_handler(struct tape_device *);
-void tape_std_irq(struct tape_device *);
void tape_std_process_eov(struct tape_device *);
-// the error recovery stuff:
-void tape_std_error_recovery(struct tape_device *);
-void tape_std_error_recovery_has_failed(struct tape_device *,int error_id);
-void tape_std_error_recovery_succeded(struct tape_device *);
-void tape_std_error_recovery_do_retry(struct tape_device *);
-void tape_std_error_recovery_read_opposite(struct tape_device *);
-void tape_std_error_recovery_HWBUG(struct tape_device *, int condno);
-
/* S390 tape types */
enum s390_tape_type {
tape_3480,
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index d29f1b71618e..1515fdc3c1ab 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-1.0+
/*
* zcore module to export memory content and register sets for creating system
- * dumps on SCSI disks (zfcpdump).
+ * dumps on SCSI/NVMe disks (zfcp/nvme dump).
*
* For more information please refer to Documentation/s390/zfcpdump.rst
*
@@ -243,7 +243,7 @@ static int __init zcore_init(void)
unsigned char arch;
int rc;
- if (ipl_info.type != IPL_TYPE_FCP_DUMP)
+ if (!is_ipl_type_dump())
return -ENODATA;
if (OLDMEM_BASE)
return -ENODATA;
@@ -252,9 +252,16 @@ static int __init zcore_init(void)
debug_register_view(zcore_dbf, &debug_sprintf_view);
debug_set_level(zcore_dbf, 6);
- TRACE("devno: %x\n", ipl_info.data.fcp.dev_id.devno);
- TRACE("wwpn: %llx\n", (unsigned long long) ipl_info.data.fcp.wwpn);
- TRACE("lun: %llx\n", (unsigned long long) ipl_info.data.fcp.lun);
+ if (ipl_info.type == IPL_TYPE_FCP_DUMP) {
+ TRACE("type: fcp\n");
+ TRACE("devno: %x\n", ipl_info.data.fcp.dev_id.devno);
+ TRACE("wwpn: %llx\n", (unsigned long long) ipl_info.data.fcp.wwpn);
+ TRACE("lun: %llx\n", (unsigned long long) ipl_info.data.fcp.lun);
+ } else if (ipl_info.type == IPL_TYPE_NVME_DUMP) {
+ TRACE("type: nvme\n");
+ TRACE("fid: %x\n", ipl_info.data.nvme.fid);
+ TRACE("nsid: %x\n", ipl_info.data.nvme.nsid);
+ }
rc = sclp_sdias_init();
if (rc)
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-03 15:37:52 +0000