Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky: "Assorted bug fixes, the mlock2 system call gets added, and one improvement. The boot from dasd devices is now possible from a wider range of devices" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: remove SALIPL loader s390: wire up mlock2 system call s390: remove g5 elf platform support s390: avoid cache aliasing under z/VM and KVM s390/sclp: _sclp_wait_int(): retain full PSW mask s390/zcrypt: Fix initialisation when zcrypt is built-in s390/zcrypt: Fix kernel crash on systems without AP bus support s390: add support for ipl devices in subchannel sets > 0 s390/ipl: fix out of bounds access in scpdata_write s390/pci_dma: improve debugging of errors during dma map s390/pci_dma: handle dma table failures s390/pci_dma: unify label of invalid translation table entries s390/syscalls: remove system call number calculation s390/cio: simplify css_generate_pgid s390/diag: add a s390 prefix to the diagnose trace point s390/head: fix error message on unsupported hardware
This commit is contained in:
Linus Torvalds
commit
34258a32d9
29 changed files with 247 additions and 278 deletions
|
|
@ -312,6 +312,7 @@ extern void css_schedule_reprobe(void);
|
|||
extern void reipl_ccw_dev(struct ccw_dev_id *id);
|
||||
|
||||
struct cio_iplinfo {
|
||||
u8 ssid;
|
||||
u16 devno;
|
||||
int is_qdio;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -206,9 +206,16 @@ do { \
|
|||
} while (0)
|
||||
#endif /* CONFIG_COMPAT */
|
||||
|
||||
extern unsigned long mmap_rnd_mask;
|
||||
|
||||
#define STACK_RND_MASK (test_thread_flag(TIF_31BIT) ? 0x7ff : mmap_rnd_mask)
|
||||
/*
|
||||
* Cache aliasing on the latest machines calls for a mapping granularity
|
||||
* of 512KB. For 64-bit processes use a 512KB alignment and a randomization
|
||||
* of up to 1GB. For 31-bit processes the virtual address space is limited,
|
||||
* use no alignment and limit the randomization to 8MB.
|
||||
*/
|
||||
#define BRK_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ffffUL)
|
||||
#define MMAP_RND_MASK (is_32bit_task() ? 0x7ffUL : 0x3ff80UL)
|
||||
#define MMAP_ALIGN_MASK (is_32bit_task() ? 0 : 0x7fUL)
|
||||
#define STACK_RND_MASK MMAP_RND_MASK
|
||||
|
||||
#define ARCH_DLINFO \
|
||||
do { \
|
||||
|
|
|
|||
|
|
@ -64,7 +64,8 @@ struct ipl_block_fcp {
|
|||
|
||||
struct ipl_block_ccw {
|
||||
u8 reserved1[84];
|
||||
u8 reserved2[2];
|
||||
u16 reserved2 : 13;
|
||||
u8 ssid : 3;
|
||||
u16 devno;
|
||||
u8 vm_flags;
|
||||
u8 reserved3[3];
|
||||
|
|
|
|||
|
|
@ -195,5 +195,7 @@ void zpci_dma_exit_device(struct zpci_dev *);
|
|||
void dma_free_seg_table(unsigned long);
|
||||
unsigned long *dma_alloc_cpu_table(void);
|
||||
void dma_cleanup_tables(unsigned long *);
|
||||
void dma_update_cpu_trans(unsigned long *, void *, dma_addr_t, int);
|
||||
unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr);
|
||||
void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -19,7 +19,7 @@
|
|||
#define TRACE_INCLUDE_PATH asm/trace
|
||||
#define TRACE_INCLUDE_FILE diag
|
||||
|
||||
TRACE_EVENT(diagnose,
|
||||
TRACE_EVENT(s390_diagnose,
|
||||
TP_PROTO(unsigned short nr),
|
||||
TP_ARGS(nr),
|
||||
TP_STRUCT__entry(
|
||||
|
|
@ -32,9 +32,9 @@ TRACE_EVENT(diagnose,
|
|||
);
|
||||
|
||||
#ifdef CONFIG_TRACEPOINTS
|
||||
void trace_diagnose_norecursion(int diag_nr);
|
||||
void trace_s390_diagnose_norecursion(int diag_nr);
|
||||
#else
|
||||
static inline void trace_diagnose_norecursion(int diag_nr) { }
|
||||
static inline void trace_s390_diagnose_norecursion(int diag_nr) { }
|
||||
#endif
|
||||
|
||||
#endif /* _TRACE_S390_DIAG_H */
|
||||
|
|
|
|||
|
|
@ -192,14 +192,14 @@
|
|||
#define __NR_set_tid_address 252
|
||||
#define __NR_fadvise64 253
|
||||
#define __NR_timer_create 254
|
||||
#define __NR_timer_settime (__NR_timer_create+1)
|
||||
#define __NR_timer_gettime (__NR_timer_create+2)
|
||||
#define __NR_timer_getoverrun (__NR_timer_create+3)
|
||||
#define __NR_timer_delete (__NR_timer_create+4)
|
||||
#define __NR_clock_settime (__NR_timer_create+5)
|
||||
#define __NR_clock_gettime (__NR_timer_create+6)
|
||||
#define __NR_clock_getres (__NR_timer_create+7)
|
||||
#define __NR_clock_nanosleep (__NR_timer_create+8)
|
||||
#define __NR_timer_settime 255
|
||||
#define __NR_timer_gettime 256
|
||||
#define __NR_timer_getoverrun 257
|
||||
#define __NR_timer_delete 258
|
||||
#define __NR_clock_settime 259
|
||||
#define __NR_clock_gettime 260
|
||||
#define __NR_clock_getres 261
|
||||
#define __NR_clock_nanosleep 262
|
||||
/* Number 263 is reserved for vserver */
|
||||
#define __NR_statfs64 265
|
||||
#define __NR_fstatfs64 266
|
||||
|
|
@ -309,7 +309,8 @@
|
|||
#define __NR_recvfrom 371
|
||||
#define __NR_recvmsg 372
|
||||
#define __NR_shutdown 373
|
||||
#define NR_syscalls 374
|
||||
#define __NR_mlock2 374
|
||||
#define NR_syscalls 375
|
||||
|
||||
/*
|
||||
* There are some system calls that are not present on 64 bit, some
|
||||
|
|
|
|||
|
|
@ -176,3 +176,4 @@ COMPAT_SYSCALL_WRAP4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
|
|||
COMPAT_SYSCALL_WRAP3(getsockname, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
|
||||
COMPAT_SYSCALL_WRAP3(getpeername, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
|
||||
COMPAT_SYSCALL_WRAP6(sendto, int, fd, void __user *, buff, size_t, len, unsigned int, flags, struct sockaddr __user *, addr, int, addr_len);
|
||||
COMPAT_SYSCALL_WRAP3(mlock2, unsigned long, start, size_t, len, int, flags);
|
||||
|
|
|
|||
|
|
@ -121,14 +121,14 @@ device_initcall(show_diag_stat_init);
|
|||
void diag_stat_inc(enum diag_stat_enum nr)
|
||||
{
|
||||
this_cpu_inc(diag_stat.counter[nr]);
|
||||
trace_diagnose(diag_map[nr].code);
|
||||
trace_s390_diagnose(diag_map[nr].code);
|
||||
}
|
||||
EXPORT_SYMBOL(diag_stat_inc);
|
||||
|
||||
void diag_stat_inc_norecursion(enum diag_stat_enum nr)
|
||||
{
|
||||
this_cpu_inc(diag_stat.counter[nr]);
|
||||
trace_diagnose_norecursion(diag_map[nr].code);
|
||||
trace_s390_diagnose_norecursion(diag_map[nr].code);
|
||||
}
|
||||
EXPORT_SYMBOL(diag_stat_inc_norecursion);
|
||||
|
||||
|
|
|
|||
|
|
@ -26,6 +26,7 @@
|
|||
#include <asm/asm-offsets.h>
|
||||
#include <asm/thread_info.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm/ptrace.h>
|
||||
|
||||
#define ARCH_OFFSET 4
|
||||
|
||||
|
|
@ -59,19 +60,6 @@ __HEAD
|
|||
.long 0x020006e0,0x20000050
|
||||
|
||||
.org 0x200
|
||||
#
|
||||
# subroutine to set architecture mode
|
||||
#
|
||||
.Lsetmode:
|
||||
mvi __LC_AR_MODE_ID,1 # set esame flag
|
||||
slr %r0,%r0 # set cpuid to zero
|
||||
lhi %r1,2 # mode 2 = esame (dump)
|
||||
sigp %r1,%r0,0x12 # switch to esame mode
|
||||
bras %r13,0f
|
||||
.fill 16,4,0x0
|
||||
0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
|
||||
sam31 # switch to 31 bit addressing mode
|
||||
br %r14
|
||||
|
||||
#
|
||||
# subroutine to wait for end I/O
|
||||
|
|
@ -159,7 +147,14 @@ __HEAD
|
|||
.long 0x02200050,0x00000000
|
||||
|
||||
iplstart:
|
||||
bas %r14,.Lsetmode # Immediately switch to 64 bit mode
|
||||
mvi __LC_AR_MODE_ID,1 # set esame flag
|
||||
slr %r0,%r0 # set cpuid to zero
|
||||
lhi %r1,2 # mode 2 = esame (dump)
|
||||
sigp %r1,%r0,0x12 # switch to esame mode
|
||||
bras %r13,0f
|
||||
.fill 16,4,0x0
|
||||
0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
|
||||
sam31 # switch to 31 bit addressing mode
|
||||
lh %r1,0xb8 # test if subchannel number
|
||||
bct %r1,.Lnoload # is valid
|
||||
l %r1,0xb8 # load ipl subchannel number
|
||||
|
|
@ -268,71 +263,6 @@ iplstart:
|
|||
.align 8
|
||||
.Lcpuid:.fill 8,1,0
|
||||
|
||||
#
|
||||
# SALIPL loader support. Based on a patch by Rob van der Heij.
|
||||
# This entry point is called directly from the SALIPL loader and
|
||||
# doesn't need a builtin ipl record.
|
||||
#
|
||||
.org 0x800
|
||||
ENTRY(start)
|
||||
stm %r0,%r15,0x07b0 # store registers
|
||||
bas %r14,.Lsetmode # Immediately switch to 64 bit mode
|
||||
basr %r12,%r0
|
||||
.base:
|
||||
l %r11,.parm
|
||||
l %r8,.cmd # pointer to command buffer
|
||||
|
||||
ltr %r9,%r9 # do we have SALIPL parameters?
|
||||
bp .sk8x8
|
||||
|
||||
mvc 0(64,%r8),0x00b0 # copy saved registers
|
||||
xc 64(240-64,%r8),0(%r8) # remainder of buffer
|
||||
tr 0(64,%r8),.lowcase
|
||||
b .gotr
|
||||
.sk8x8:
|
||||
mvc 0(240,%r8),0(%r9) # copy iplparms into buffer
|
||||
.gotr:
|
||||
slr %r0,%r0
|
||||
st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11)
|
||||
st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11)
|
||||
j startup # continue with startup
|
||||
.cmd: .long COMMAND_LINE # address of command line buffer
|
||||
.parm: .long PARMAREA
|
||||
.lowcase:
|
||||
.byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07
|
||||
.byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f
|
||||
.byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17
|
||||
.byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f
|
||||
.byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27
|
||||
.byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f
|
||||
.byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37
|
||||
.byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f
|
||||
.byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47
|
||||
.byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f
|
||||
.byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57
|
||||
.byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f
|
||||
.byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67
|
||||
.byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f
|
||||
.byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77
|
||||
.byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f
|
||||
|
||||
.byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87
|
||||
.byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f
|
||||
.byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97
|
||||
.byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f
|
||||
.byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7
|
||||
.byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf
|
||||
.byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7
|
||||
.byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf
|
||||
.byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg
|
||||
.byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi
|
||||
.byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop
|
||||
.byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr
|
||||
.byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx
|
||||
.byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz
|
||||
.byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7
|
||||
.byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff
|
||||
|
||||
#
|
||||
# startup-code at 0x10000, running in absolute addressing mode
|
||||
# this is called either by the ipl loader or directly by PSW restart
|
||||
|
|
@ -364,7 +294,7 @@ ENTRY(startup_kdump)
|
|||
bras %r13,0f
|
||||
.fill 16,4,0x0
|
||||
0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
|
||||
sam31 # switch to 31 bit addressing mode
|
||||
sam64 # switch to 64 bit addressing mode
|
||||
basr %r13,0 # get base
|
||||
.LPG0:
|
||||
xc 0x200(256),0x200 # partially clear lowcore
|
||||
|
|
@ -395,7 +325,7 @@ ENTRY(startup_kdump)
|
|||
jnz 1b
|
||||
j 4f
|
||||
2: l %r15,.Lstack-.LPG0(%r13)
|
||||
ahi %r15,-96
|
||||
ahi %r15,-STACK_FRAME_OVERHEAD
|
||||
la %r2,.Lals_string-.LPG0(%r13)
|
||||
l %r3,.Lsclp_print-.LPG0(%r13)
|
||||
basr %r14,%r3
|
||||
|
|
@ -429,8 +359,7 @@ ENTRY(startup_kdump)
|
|||
.long 1, 0xc0000000
|
||||
#endif
|
||||
4:
|
||||
/* Continue with 64bit startup code in head64.S */
|
||||
sam64 # switch to 64 bit mode
|
||||
/* Continue with startup code in head64.S */
|
||||
jg startup_continue
|
||||
|
||||
.align 8
|
||||
|
|
|
|||
|
|
@ -121,6 +121,7 @@ static char *dump_type_str(enum dump_type type)
|
|||
* Must be in data section since the bss section
|
||||
* is not cleared when these are accessed.
|
||||
*/
|
||||
static u8 ipl_ssid __attribute__((__section__(".data"))) = 0;
|
||||
static u16 ipl_devno __attribute__((__section__(".data"))) = 0;
|
||||
u32 ipl_flags __attribute__((__section__(".data"))) = 0;
|
||||
|
||||
|
|
@ -197,6 +198,33 @@ static ssize_t sys_##_prefix##_##_name##_show(struct kobject *kobj, \
|
|||
return snprintf(page, PAGE_SIZE, _format, ##args); \
|
||||
}
|
||||
|
||||
#define IPL_ATTR_CCW_STORE_FN(_prefix, _name, _ipl_blk) \
|
||||
static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \
|
||||
struct kobj_attribute *attr, \
|
||||
const char *buf, size_t len) \
|
||||
{ \
|
||||
unsigned long long ssid, devno; \
|
||||
\
|
||||
if (sscanf(buf, "0.%llx.%llx\n", &ssid, &devno) != 2) \
|
||||
return -EINVAL; \
|
||||
\
|
||||
if (ssid > __MAX_SSID || devno > __MAX_SUBCHANNEL) \
|
||||
return -EINVAL; \
|
||||
\
|
||||
_ipl_blk.ssid = ssid; \
|
||||
_ipl_blk.devno = devno; \
|
||||
return len; \
|
||||
}
|
||||
|
||||
#define DEFINE_IPL_CCW_ATTR_RW(_prefix, _name, _ipl_blk) \
|
||||
IPL_ATTR_SHOW_FN(_prefix, _name, "0.%x.%04x\n", \
|
||||
_ipl_blk.ssid, _ipl_blk.devno); \
|
||||
IPL_ATTR_CCW_STORE_FN(_prefix, _name, _ipl_blk); \
|
||||
static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
|
||||
__ATTR(_name, (S_IRUGO | S_IWUSR), \
|
||||
sys_##_prefix##_##_name##_show, \
|
||||
sys_##_prefix##_##_name##_store) \
|
||||
|
||||
#define DEFINE_IPL_ATTR_RO(_prefix, _name, _format, _value) \
|
||||
IPL_ATTR_SHOW_FN(_prefix, _name, _format, _value) \
|
||||
static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
|
||||
|
|
@ -395,7 +423,7 @@ static ssize_t sys_ipl_device_show(struct kobject *kobj,
|
|||
|
||||
switch (ipl_info.type) {
|
||||
case IPL_TYPE_CCW:
|
||||
return sprintf(page, "0.0.%04x\n", ipl_devno);
|
||||
return sprintf(page, "0.%x.%04x\n", ipl_ssid, ipl_devno);
|
||||
case IPL_TYPE_FCP:
|
||||
case IPL_TYPE_FCP_DUMP:
|
||||
return sprintf(page, "0.0.%04x\n", ipl->ipl_info.fcp.devno);
|
||||
|
|
@ -687,21 +715,14 @@ static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj,
|
|||
struct bin_attribute *attr,
|
||||
char *buf, loff_t off, size_t count)
|
||||
{
|
||||
size_t scpdata_len = count;
|
||||
size_t padding;
|
||||
size_t scpdata_len;
|
||||
|
||||
if (off < 0)
|
||||
|
||||
if (off)
|
||||
return -EINVAL;
|
||||
|
||||
if (off >= DIAG308_SCPDATA_SIZE)
|
||||
return -ENOSPC;
|
||||
|
||||
if (count > DIAG308_SCPDATA_SIZE - off)
|
||||
count = DIAG308_SCPDATA_SIZE - off;
|
||||
|
||||
memcpy(reipl_block_fcp->ipl_info.fcp.scp_data, buf + off, count);
|
||||
scpdata_len = off + count;
|
||||
|
||||
memcpy(reipl_block_fcp->ipl_info.fcp.scp_data, buf, count);
|
||||
if (scpdata_len % 8) {
|
||||
padding = 8 - (scpdata_len % 8);
|
||||
memset(reipl_block_fcp->ipl_info.fcp.scp_data + scpdata_len,
|
||||
|
|
@ -717,7 +738,7 @@ static ssize_t reipl_fcp_scpdata_write(struct file *filp, struct kobject *kobj,
|
|||
}
|
||||
static struct bin_attribute sys_reipl_fcp_scp_data_attr =
|
||||
__BIN_ATTR(scp_data, (S_IRUGO | S_IWUSR), reipl_fcp_scpdata_read,
|
||||
reipl_fcp_scpdata_write, PAGE_SIZE);
|
||||
reipl_fcp_scpdata_write, DIAG308_SCPDATA_SIZE);
|
||||
|
||||
static struct bin_attribute *reipl_fcp_bin_attrs[] = {
|
||||
&sys_reipl_fcp_scp_data_attr,
|
||||
|
|
@ -814,9 +835,7 @@ static struct attribute_group reipl_fcp_attr_group = {
|
|||
};
|
||||
|
||||
/* CCW reipl device attributes */
|
||||
|
||||
DEFINE_IPL_ATTR_RW(reipl_ccw, device, "0.0.%04llx\n", "0.0.%llx\n",
|
||||
reipl_block_ccw->ipl_info.ccw.devno);
|
||||
DEFINE_IPL_CCW_ATTR_RW(reipl_ccw, device, reipl_block_ccw->ipl_info.ccw);
|
||||
|
||||
/* NSS wrapper */
|
||||
static ssize_t reipl_nss_loadparm_show(struct kobject *kobj,
|
||||
|
|
@ -1056,8 +1075,8 @@ static void __reipl_run(void *unused)
|
|||
|
||||
switch (reipl_method) {
|
||||
case REIPL_METHOD_CCW_CIO:
|
||||
devid.ssid = reipl_block_ccw->ipl_info.ccw.ssid;
|
||||
devid.devno = reipl_block_ccw->ipl_info.ccw.devno;
|
||||
devid.ssid = 0;
|
||||
reipl_ccw_dev(&devid);
|
||||
break;
|
||||
case REIPL_METHOD_CCW_VM:
|
||||
|
|
@ -1192,6 +1211,7 @@ static int __init reipl_ccw_init(void)
|
|||
|
||||
reipl_block_ccw_init(reipl_block_ccw);
|
||||
if (ipl_info.type == IPL_TYPE_CCW) {
|
||||
reipl_block_ccw->ipl_info.ccw.ssid = ipl_ssid;
|
||||
reipl_block_ccw->ipl_info.ccw.devno = ipl_devno;
|
||||
reipl_block_ccw_fill_parms(reipl_block_ccw);
|
||||
}
|
||||
|
|
@ -1336,9 +1356,7 @@ static struct attribute_group dump_fcp_attr_group = {
|
|||
};
|
||||
|
||||
/* CCW dump device attributes */
|
||||
|
||||
DEFINE_IPL_ATTR_RW(dump_ccw, device, "0.0.%04llx\n", "0.0.%llx\n",
|
||||
dump_block_ccw->ipl_info.ccw.devno);
|
||||
DEFINE_IPL_CCW_ATTR_RW(dump_ccw, device, dump_block_ccw->ipl_info.ccw);
|
||||
|
||||
static struct attribute *dump_ccw_attrs[] = {
|
||||
&sys_dump_ccw_device_attr.attr,
|
||||
|
|
@ -1418,8 +1436,8 @@ static void __dump_run(void *unused)
|
|||
|
||||
switch (dump_method) {
|
||||
case DUMP_METHOD_CCW_CIO:
|
||||
devid.ssid = dump_block_ccw->ipl_info.ccw.ssid;
|
||||
devid.devno = dump_block_ccw->ipl_info.ccw.devno;
|
||||
devid.ssid = 0;
|
||||
reipl_ccw_dev(&devid);
|
||||
break;
|
||||
case DUMP_METHOD_CCW_VM:
|
||||
|
|
@ -1939,14 +1957,14 @@ void __init setup_ipl(void)
|
|||
ipl_info.type = get_ipl_type();
|
||||
switch (ipl_info.type) {
|
||||
case IPL_TYPE_CCW:
|
||||
ipl_info.data.ccw.dev_id.ssid = ipl_ssid;
|
||||
ipl_info.data.ccw.dev_id.devno = ipl_devno;
|
||||
ipl_info.data.ccw.dev_id.ssid = 0;
|
||||
break;
|
||||
case IPL_TYPE_FCP:
|
||||
case IPL_TYPE_FCP_DUMP:
|
||||
ipl_info.data.fcp.dev_id.ssid = 0;
|
||||
ipl_info.data.fcp.dev_id.devno =
|
||||
IPL_PARMBLOCK_START->ipl_info.fcp.devno;
|
||||
ipl_info.data.fcp.dev_id.ssid = 0;
|
||||
ipl_info.data.fcp.wwpn = IPL_PARMBLOCK_START->ipl_info.fcp.wwpn;
|
||||
ipl_info.data.fcp.lun = IPL_PARMBLOCK_START->ipl_info.fcp.lun;
|
||||
break;
|
||||
|
|
@ -1978,6 +1996,7 @@ void __init ipl_save_parameters(void)
|
|||
if (cio_get_iplinfo(&iplinfo))
|
||||
return;
|
||||
|
||||
ipl_ssid = iplinfo.ssid;
|
||||
ipl_devno = iplinfo.devno;
|
||||
ipl_flags |= IPL_DEVNO_VALID;
|
||||
if (!iplinfo.is_qdio)
|
||||
|
|
|
|||
|
|
@ -243,11 +243,7 @@ unsigned long arch_align_stack(unsigned long sp)
|
|||
|
||||
static inline unsigned long brk_rnd(void)
|
||||
{
|
||||
/* 8MB for 32bit, 1GB for 64bit */
|
||||
if (is_32bit_task())
|
||||
return (get_random_int() & 0x7ffUL) << PAGE_SHIFT;
|
||||
else
|
||||
return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT;
|
||||
return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT;
|
||||
}
|
||||
|
||||
unsigned long arch_randomize_brk(struct mm_struct *mm)
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@ static void _sclp_wait_int(void)
|
|||
__ctl_load(cr0_new, 0, 0);
|
||||
|
||||
psw_ext_save = S390_lowcore.external_new_psw;
|
||||
psw_mask = __extract_psw() & (PSW_MASK_EA | PSW_MASK_BA);
|
||||
psw_mask = __extract_psw();
|
||||
S390_lowcore.external_new_psw.mask = psw_mask;
|
||||
psw_wait.mask = psw_mask | PSW_MASK_EXT | PSW_MASK_WAIT;
|
||||
S390_lowcore.ext_int_code = 0;
|
||||
|
|
|
|||
|
|
@ -764,9 +764,6 @@ static int __init setup_hwcaps(void)
|
|||
get_cpu_id(&cpu_id);
|
||||
add_device_randomness(&cpu_id, sizeof(cpu_id));
|
||||
switch (cpu_id.machine) {
|
||||
case 0x9672:
|
||||
strcpy(elf_platform, "g5");
|
||||
break;
|
||||
case 0x2064:
|
||||
case 0x2066:
|
||||
default: /* Use "z900" as default for 64 bit kernels. */
|
||||
|
|
|
|||
|
|
@ -382,3 +382,4 @@ SYSCALL(sys_sendmsg,compat_sys_sendmsg) /* 370 */
|
|||
SYSCALL(sys_recvfrom,compat_sys_recvfrom)
|
||||
SYSCALL(sys_recvmsg,compat_sys_recvmsg)
|
||||
SYSCALL(sys_shutdown,sys_shutdown)
|
||||
SYSCALL(sys_mlock2,compat_sys_mlock2)
|
||||
|
|
|
|||
|
|
@ -9,11 +9,11 @@
|
|||
#define CREATE_TRACE_POINTS
|
||||
#include <asm/trace/diag.h>
|
||||
|
||||
EXPORT_TRACEPOINT_SYMBOL(diagnose);
|
||||
EXPORT_TRACEPOINT_SYMBOL(s390_diagnose);
|
||||
|
||||
static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth);
|
||||
|
||||
void trace_diagnose_norecursion(int diag_nr)
|
||||
void trace_s390_diagnose_norecursion(int diag_nr)
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned int *depth;
|
||||
|
|
@ -22,7 +22,7 @@ void trace_diagnose_norecursion(int diag_nr)
|
|||
depth = this_cpu_ptr(&diagnose_trace_depth);
|
||||
if (*depth == 0) {
|
||||
(*depth)++;
|
||||
trace_diagnose(diag_nr);
|
||||
trace_s390_diagnose(diag_nr);
|
||||
(*depth)--;
|
||||
}
|
||||
local_irq_restore(flags);
|
||||
|
|
|
|||
|
|
@ -48,37 +48,13 @@ EXPORT_SYMBOL(zero_page_mask);
|
|||
|
||||
static void __init setup_zero_pages(void)
|
||||
{
|
||||
struct cpuid cpu_id;
|
||||
unsigned int order;
|
||||
struct page *page;
|
||||
int i;
|
||||
|
||||
get_cpu_id(&cpu_id);
|
||||
switch (cpu_id.machine) {
|
||||
case 0x9672: /* g5 */
|
||||
case 0x2064: /* z900 */
|
||||
case 0x2066: /* z900 */
|
||||
case 0x2084: /* z990 */
|
||||
case 0x2086: /* z990 */
|
||||
case 0x2094: /* z9-109 */
|
||||
case 0x2096: /* z9-109 */
|
||||
order = 0;
|
||||
break;
|
||||
case 0x2097: /* z10 */
|
||||
case 0x2098: /* z10 */
|
||||
case 0x2817: /* z196 */
|
||||
case 0x2818: /* z196 */
|
||||
order = 2;
|
||||
break;
|
||||
case 0x2827: /* zEC12 */
|
||||
case 0x2828: /* zEC12 */
|
||||
order = 5;
|
||||
break;
|
||||
case 0x2964: /* z13 */
|
||||
default:
|
||||
order = 7;
|
||||
break;
|
||||
}
|
||||
/* Latest machines require a mapping granularity of 512KB */
|
||||
order = 7;
|
||||
|
||||
/* Limit number of empty zero pages for small memory sizes */
|
||||
while (order > 2 && (totalram_pages >> 10) < (1UL << order))
|
||||
order--;
|
||||
|
|
|
|||
|
|
@ -31,9 +31,6 @@
|
|||
#include <linux/security.h>
|
||||
#include <asm/pgalloc.h>
|
||||
|
||||
unsigned long mmap_rnd_mask;
|
||||
static unsigned long mmap_align_mask;
|
||||
|
||||
static unsigned long stack_maxrandom_size(void)
|
||||
{
|
||||
if (!(current->flags & PF_RANDOMIZE))
|
||||
|
|
@ -62,10 +59,7 @@ static inline int mmap_is_legacy(void)
|
|||
|
||||
unsigned long arch_mmap_rnd(void)
|
||||
{
|
||||
if (is_32bit_task())
|
||||
return (get_random_int() & 0x7ff) << PAGE_SHIFT;
|
||||
else
|
||||
return (get_random_int() & mmap_rnd_mask) << PAGE_SHIFT;
|
||||
return (get_random_int() & MMAP_RND_MASK) << PAGE_SHIFT;
|
||||
}
|
||||
|
||||
static unsigned long mmap_base_legacy(unsigned long rnd)
|
||||
|
|
@ -92,7 +86,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
|
|||
struct mm_struct *mm = current->mm;
|
||||
struct vm_area_struct *vma;
|
||||
struct vm_unmapped_area_info info;
|
||||
int do_color_align;
|
||||
|
||||
if (len > TASK_SIZE - mmap_min_addr)
|
||||
return -ENOMEM;
|
||||
|
|
@ -108,15 +101,14 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
|
|||
return addr;
|
||||
}
|
||||
|
||||
do_color_align = 0;
|
||||
if (filp || (flags & MAP_SHARED))
|
||||
do_color_align = !is_32bit_task();
|
||||
|
||||
info.flags = 0;
|
||||
info.length = len;
|
||||
info.low_limit = mm->mmap_base;
|
||||
info.high_limit = TASK_SIZE;
|
||||
info.align_mask = do_color_align ? (mmap_align_mask << PAGE_SHIFT) : 0;
|
||||
if (filp || (flags & MAP_SHARED))
|
||||
info.align_mask = MMAP_ALIGN_MASK << PAGE_SHIFT;
|
||||
else
|
||||
info.align_mask = 0;
|
||||
info.align_offset = pgoff << PAGE_SHIFT;
|
||||
return vm_unmapped_area(&info);
|
||||
}
|
||||
|
|
@ -130,7 +122,6 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
|
|||
struct mm_struct *mm = current->mm;
|
||||
unsigned long addr = addr0;
|
||||
struct vm_unmapped_area_info info;
|
||||
int do_color_align;
|
||||
|
||||
/* requested length too big for entire address space */
|
||||
if (len > TASK_SIZE - mmap_min_addr)
|
||||
|
|
@ -148,15 +139,14 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
|
|||
return addr;
|
||||
}
|
||||
|
||||
do_color_align = 0;
|
||||
if (filp || (flags & MAP_SHARED))
|
||||
do_color_align = !is_32bit_task();
|
||||
|
||||
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
|
||||
info.length = len;
|
||||
info.low_limit = max(PAGE_SIZE, mmap_min_addr);
|
||||
info.high_limit = mm->mmap_base;
|
||||
info.align_mask = do_color_align ? (mmap_align_mask << PAGE_SHIFT) : 0;
|
||||
if (filp || (flags & MAP_SHARED))
|
||||
info.align_mask = MMAP_ALIGN_MASK << PAGE_SHIFT;
|
||||
else
|
||||
info.align_mask = 0;
|
||||
info.align_offset = pgoff << PAGE_SHIFT;
|
||||
addr = vm_unmapped_area(&info);
|
||||
|
||||
|
|
@ -254,35 +244,3 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
|
|||
mm->get_unmapped_area = s390_get_unmapped_area_topdown;
|
||||
}
|
||||
}
|
||||
|
||||
static int __init setup_mmap_rnd(void)
|
||||
{
|
||||
struct cpuid cpu_id;
|
||||
|
||||
get_cpu_id(&cpu_id);
|
||||
switch (cpu_id.machine) {
|
||||
case 0x9672:
|
||||
case 0x2064:
|
||||
case 0x2066:
|
||||
case 0x2084:
|
||||
case 0x2086:
|
||||
case 0x2094:
|
||||
case 0x2096:
|
||||
case 0x2097:
|
||||
case 0x2098:
|
||||
case 0x2817:
|
||||
case 0x2818:
|
||||
case 0x2827:
|
||||
case 0x2828:
|
||||
mmap_rnd_mask = 0x7ffUL;
|
||||
mmap_align_mask = 0UL;
|
||||
break;
|
||||
case 0x2964: /* z13 */
|
||||
default:
|
||||
mmap_rnd_mask = 0x3ff80UL;
|
||||
mmap_align_mask = 0x7fUL;
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
early_initcall(setup_mmap_rnd);
|
||||
|
|
|
|||
|
|
@ -33,7 +33,7 @@ unsigned long *dma_alloc_cpu_table(void)
|
|||
return NULL;
|
||||
|
||||
for (entry = table; entry < table + ZPCI_TABLE_ENTRIES; entry++)
|
||||
*entry = ZPCI_TABLE_INVALID | ZPCI_TABLE_PROTECTED;
|
||||
*entry = ZPCI_TABLE_INVALID;
|
||||
return table;
|
||||
}
|
||||
|
||||
|
|
@ -51,7 +51,7 @@ static unsigned long *dma_alloc_page_table(void)
|
|||
return NULL;
|
||||
|
||||
for (entry = table; entry < table + ZPCI_PT_ENTRIES; entry++)
|
||||
*entry = ZPCI_PTE_INVALID | ZPCI_TABLE_PROTECTED;
|
||||
*entry = ZPCI_PTE_INVALID;
|
||||
return table;
|
||||
}
|
||||
|
||||
|
|
@ -95,7 +95,7 @@ static unsigned long *dma_get_page_table_origin(unsigned long *entry)
|
|||
return pto;
|
||||
}
|
||||
|
||||
static unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr)
|
||||
unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr)
|
||||
{
|
||||
unsigned long *sto, *pto;
|
||||
unsigned int rtx, sx, px;
|
||||
|
|
@ -114,20 +114,10 @@ static unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr
|
|||
return &pto[px];
|
||||
}
|
||||
|
||||
void dma_update_cpu_trans(unsigned long *dma_table, void *page_addr,
|
||||
dma_addr_t dma_addr, int flags)
|
||||
void dma_update_cpu_trans(unsigned long *entry, void *page_addr, int flags)
|
||||
{
|
||||
unsigned long *entry;
|
||||
|
||||
entry = dma_walk_cpu_trans(dma_table, dma_addr);
|
||||
if (!entry) {
|
||||
WARN_ON_ONCE(1);
|
||||
return;
|
||||
}
|
||||
|
||||
if (flags & ZPCI_PTE_INVALID) {
|
||||
invalidate_pt_entry(entry);
|
||||
return;
|
||||
} else {
|
||||
set_pt_pfaa(entry, page_addr);
|
||||
validate_pt_entry(entry);
|
||||
|
|
@ -146,18 +136,25 @@ static int dma_update_trans(struct zpci_dev *zdev, unsigned long pa,
|
|||
u8 *page_addr = (u8 *) (pa & PAGE_MASK);
|
||||
dma_addr_t start_dma_addr = dma_addr;
|
||||
unsigned long irq_flags;
|
||||
unsigned long *entry;
|
||||
int i, rc = 0;
|
||||
|
||||
if (!nr_pages)
|
||||
return -EINVAL;
|
||||
|
||||
spin_lock_irqsave(&zdev->dma_table_lock, irq_flags);
|
||||
if (!zdev->dma_table)
|
||||
if (!zdev->dma_table) {
|
||||
rc = -EINVAL;
|
||||
goto no_refresh;
|
||||
}
|
||||
|
||||
for (i = 0; i < nr_pages; i++) {
|
||||
dma_update_cpu_trans(zdev->dma_table, page_addr, dma_addr,
|
||||
flags);
|
||||
entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr);
|
||||
if (!entry) {
|
||||
rc = -ENOMEM;
|
||||
goto undo_cpu_trans;
|
||||
}
|
||||
dma_update_cpu_trans(entry, page_addr, flags);
|
||||
page_addr += PAGE_SIZE;
|
||||
dma_addr += PAGE_SIZE;
|
||||
}
|
||||
|
|
@ -176,6 +173,18 @@ static int dma_update_trans(struct zpci_dev *zdev, unsigned long pa,
|
|||
|
||||
rc = zpci_refresh_trans((u64) zdev->fh << 32, start_dma_addr,
|
||||
nr_pages * PAGE_SIZE);
|
||||
undo_cpu_trans:
|
||||
if (rc && ((flags & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID)) {
|
||||
flags = ZPCI_PTE_INVALID;
|
||||
while (i-- > 0) {
|
||||
page_addr -= PAGE_SIZE;
|
||||
dma_addr -= PAGE_SIZE;
|
||||
entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr);
|
||||
if (!entry)
|
||||
break;
|
||||
dma_update_cpu_trans(entry, page_addr, flags);
|
||||
}
|
||||
}
|
||||
|
||||
no_refresh:
|
||||
spin_unlock_irqrestore(&zdev->dma_table_lock, irq_flags);
|
||||
|
|
@ -260,6 +269,16 @@ static void dma_free_iommu(struct zpci_dev *zdev, unsigned long offset, int size
|
|||
spin_unlock_irqrestore(&zdev->iommu_bitmap_lock, flags);
|
||||
}
|
||||
|
||||
static inline void zpci_err_dma(unsigned long rc, unsigned long addr)
|
||||
{
|
||||
struct {
|
||||
unsigned long rc;
|
||||
unsigned long addr;
|
||||
} __packed data = {rc, addr};
|
||||
|
||||
zpci_err_hex(&data, sizeof(data));
|
||||
}
|
||||
|
||||
static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
|
||||
unsigned long offset, size_t size,
|
||||
enum dma_data_direction direction,
|
||||
|
|
@ -270,33 +289,40 @@ static dma_addr_t s390_dma_map_pages(struct device *dev, struct page *page,
|
|||
unsigned long pa = page_to_phys(page) + offset;
|
||||
int flags = ZPCI_PTE_VALID;
|
||||
dma_addr_t dma_addr;
|
||||
int ret;
|
||||
|
||||
/* This rounds up number of pages based on size and offset */
|
||||
nr_pages = iommu_num_pages(pa, size, PAGE_SIZE);
|
||||
iommu_page_index = dma_alloc_iommu(zdev, nr_pages);
|
||||
if (iommu_page_index == -1)
|
||||
if (iommu_page_index == -1) {
|
||||
ret = -ENOSPC;
|
||||
goto out_err;
|
||||
}
|
||||
|
||||
/* Use rounded up size */
|
||||
size = nr_pages * PAGE_SIZE;
|
||||
|
||||
dma_addr = zdev->start_dma + iommu_page_index * PAGE_SIZE;
|
||||
if (dma_addr + size > zdev->end_dma)
|
||||
if (dma_addr + size > zdev->end_dma) {
|
||||
ret = -ERANGE;
|
||||
goto out_free;
|
||||
}
|
||||
|
||||
if (direction == DMA_NONE || direction == DMA_TO_DEVICE)
|
||||
flags |= ZPCI_TABLE_PROTECTED;
|
||||
|
||||
if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) {
|
||||
atomic64_add(nr_pages, &zdev->mapped_pages);
|
||||
return dma_addr + (offset & ~PAGE_MASK);
|
||||
}
|
||||
ret = dma_update_trans(zdev, pa, dma_addr, size, flags);
|
||||
if (ret)
|
||||
goto out_free;
|
||||
|
||||
atomic64_add(nr_pages, &zdev->mapped_pages);
|
||||
return dma_addr + (offset & ~PAGE_MASK);
|
||||
|
||||
out_free:
|
||||
dma_free_iommu(zdev, iommu_page_index, nr_pages);
|
||||
out_err:
|
||||
zpci_err("map error:\n");
|
||||
zpci_err_hex(&pa, sizeof(pa));
|
||||
zpci_err_dma(ret, pa);
|
||||
return DMA_ERROR_CODE;
|
||||
}
|
||||
|
||||
|
|
@ -306,14 +332,16 @@ static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr,
|
|||
{
|
||||
struct zpci_dev *zdev = to_zpci(to_pci_dev(dev));
|
||||
unsigned long iommu_page_index;
|
||||
int npages;
|
||||
int npages, ret;
|
||||
|
||||
npages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
|
||||
dma_addr = dma_addr & PAGE_MASK;
|
||||
if (dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE,
|
||||
ZPCI_TABLE_PROTECTED | ZPCI_PTE_INVALID)) {
|
||||
ret = dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE,
|
||||
ZPCI_PTE_INVALID);
|
||||
if (ret) {
|
||||
zpci_err("unmap error:\n");
|
||||
zpci_err_hex(&dma_addr, sizeof(dma_addr));
|
||||
zpci_err_dma(ret, dma_addr);
|
||||
return;
|
||||
}
|
||||
|
||||
atomic64_add(npages, &zdev->unmapped_pages);
|
||||
|
|
|
|||
|
|
@ -216,6 +216,7 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain,
|
|||
u8 *page_addr = (u8 *) (pa & PAGE_MASK);
|
||||
dma_addr_t start_dma_addr = dma_addr;
|
||||
unsigned long irq_flags, nr_pages, i;
|
||||
unsigned long *entry;
|
||||
int rc = 0;
|
||||
|
||||
if (dma_addr < s390_domain->domain.geometry.aperture_start ||
|
||||
|
|
@ -228,8 +229,12 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain,
|
|||
|
||||
spin_lock_irqsave(&s390_domain->dma_table_lock, irq_flags);
|
||||
for (i = 0; i < nr_pages; i++) {
|
||||
dma_update_cpu_trans(s390_domain->dma_table, page_addr,
|
||||
dma_addr, flags);
|
||||
entry = dma_walk_cpu_trans(s390_domain->dma_table, dma_addr);
|
||||
if (!entry) {
|
||||
rc = -ENOMEM;
|
||||
goto undo_cpu_trans;
|
||||
}
|
||||
dma_update_cpu_trans(entry, page_addr, flags);
|
||||
page_addr += PAGE_SIZE;
|
||||
dma_addr += PAGE_SIZE;
|
||||
}
|
||||
|
|
@ -242,6 +247,20 @@ static int s390_iommu_update_trans(struct s390_domain *s390_domain,
|
|||
break;
|
||||
}
|
||||
spin_unlock(&s390_domain->list_lock);
|
||||
|
||||
undo_cpu_trans:
|
||||
if (rc && ((flags & ZPCI_PTE_VALID_MASK) == ZPCI_PTE_VALID)) {
|
||||
flags = ZPCI_PTE_INVALID;
|
||||
while (i-- > 0) {
|
||||
page_addr -= PAGE_SIZE;
|
||||
dma_addr -= PAGE_SIZE;
|
||||
entry = dma_walk_cpu_trans(s390_domain->dma_table,
|
||||
dma_addr);
|
||||
if (!entry)
|
||||
break;
|
||||
dma_update_cpu_trans(entry, page_addr, flags);
|
||||
}
|
||||
}
|
||||
spin_unlock_irqrestore(&s390_domain->dma_table_lock, irq_flags);
|
||||
|
||||
return rc;
|
||||
|
|
|
|||
|
|
@ -1080,28 +1080,10 @@ void __init chsc_init_cleanup(void)
|
|||
free_page((unsigned long)sei_page);
|
||||
}
|
||||
|
||||
int chsc_enable_facility(int operation_code)
|
||||
int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code)
|
||||
{
|
||||
unsigned long flags;
|
||||
int ret;
|
||||
struct {
|
||||
struct chsc_header request;
|
||||
u8 reserved1:4;
|
||||
u8 format:4;
|
||||
u8 reserved2;
|
||||
u16 operation_code;
|
||||
u32 reserved3;
|
||||
u32 reserved4;
|
||||
u32 operation_data_area[252];
|
||||
struct chsc_header response;
|
||||
u32 reserved5:4;
|
||||
u32 format2:4;
|
||||
u32 reserved6:24;
|
||||
} __attribute__ ((packed)) *sda_area;
|
||||
|
||||
spin_lock_irqsave(&chsc_page_lock, flags);
|
||||
memset(chsc_page, 0, PAGE_SIZE);
|
||||
sda_area = chsc_page;
|
||||
sda_area->request.length = 0x0400;
|
||||
sda_area->request.code = 0x0031;
|
||||
sda_area->operation_code = operation_code;
|
||||
|
|
@ -1119,10 +1101,25 @@ int chsc_enable_facility(int operation_code)
|
|||
default:
|
||||
ret = chsc_error_from_response(sda_area->response.code);
|
||||
}
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
int chsc_enable_facility(int operation_code)
|
||||
{
|
||||
struct chsc_sda_area *sda_area;
|
||||
unsigned long flags;
|
||||
int ret;
|
||||
|
||||
spin_lock_irqsave(&chsc_page_lock, flags);
|
||||
memset(chsc_page, 0, PAGE_SIZE);
|
||||
sda_area = chsc_page;
|
||||
|
||||
ret = __chsc_enable_facility(sda_area, operation_code);
|
||||
if (ret != 0)
|
||||
CIO_CRW_EVENT(2, "chsc: sda (oc=%x) failed (rc=%04x)\n",
|
||||
operation_code, sda_area->response.code);
|
||||
out:
|
||||
|
||||
spin_unlock_irqrestore(&chsc_page_lock, flags);
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -115,6 +115,20 @@ struct chsc_scpd {
|
|||
u8 data[PAGE_SIZE - 20];
|
||||
} __attribute__ ((packed));
|
||||
|
||||
struct chsc_sda_area {
|
||||
struct chsc_header request;
|
||||
u8 :4;
|
||||
u8 format:4;
|
||||
u8 :8;
|
||||
u16 operation_code;
|
||||
u32 :32;
|
||||
u32 :32;
|
||||
u32 operation_data_area[252];
|
||||
struct chsc_header response;
|
||||
u32 :4;
|
||||
u32 format2:4;
|
||||
u32 :24;
|
||||
} __packed __aligned(PAGE_SIZE);
|
||||
|
||||
extern int chsc_get_ssd_info(struct subchannel_id schid,
|
||||
struct chsc_ssd_info *ssd);
|
||||
|
|
@ -122,6 +136,7 @@ extern int chsc_determine_css_characteristics(void);
|
|||
extern int chsc_init(void);
|
||||
extern void chsc_init_cleanup(void);
|
||||
|
||||
int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code);
|
||||
extern int chsc_enable_facility(int);
|
||||
struct channel_subsystem;
|
||||
extern int chsc_secm(struct channel_subsystem *, int);
|
||||
|
|
|
|||
|
|
@ -925,18 +925,32 @@ void reipl_ccw_dev(struct ccw_dev_id *devid)
|
|||
|
||||
int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo)
|
||||
{
|
||||
static struct chsc_sda_area sda_area __initdata;
|
||||
struct subchannel_id schid;
|
||||
struct schib schib;
|
||||
|
||||
schid = *(struct subchannel_id *)&S390_lowcore.subchannel_id;
|
||||
if (!schid.one)
|
||||
return -ENODEV;
|
||||
|
||||
if (schid.ssid) {
|
||||
/*
|
||||
* Firmware should have already enabled MSS but whoever started
|
||||
* the kernel might have initiated a channel subsystem reset.
|
||||
* Ensure that MSS is enabled.
|
||||
*/
|
||||
memset(&sda_area, 0, sizeof(sda_area));
|
||||
if (__chsc_enable_facility(&sda_area, CHSC_SDA_OC_MSS))
|
||||
return -ENODEV;
|
||||
}
|
||||
if (stsch_err(schid, &schib))
|
||||
return -ENODEV;
|
||||
if (schib.pmcw.st != SUBCHANNEL_TYPE_IO)
|
||||
return -ENODEV;
|
||||
if (!schib.pmcw.dnv)
|
||||
return -ENODEV;
|
||||
|
||||
iplinfo->ssid = schid.ssid;
|
||||
iplinfo->devno = schib.pmcw.dev;
|
||||
iplinfo->is_qdio = schib.pmcw.qf;
|
||||
return 0;
|
||||
|
|
|
|||
|
|
@ -702,17 +702,12 @@ css_generate_pgid(struct channel_subsystem *css, u32 tod_high)
|
|||
css->global_pgid.pgid_high.ext_cssid.version = 0x80;
|
||||
css->global_pgid.pgid_high.ext_cssid.cssid = css->cssid;
|
||||
} else {
|
||||
#ifdef CONFIG_SMP
|
||||
css->global_pgid.pgid_high.cpu_addr = stap();
|
||||
#else
|
||||
css->global_pgid.pgid_high.cpu_addr = 0;
|
||||
#endif
|
||||
}
|
||||
get_cpu_id(&cpu_id);
|
||||
css->global_pgid.cpu_id = cpu_id.ident;
|
||||
css->global_pgid.cpu_model = cpu_id.machine;
|
||||
css->global_pgid.tod_high = tod_high;
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
|
|
@ -3,6 +3,9 @@
|
|||
#
|
||||
|
||||
ap-objs := ap_bus.o
|
||||
obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o zcrypt_pcixcc.o
|
||||
obj-$(CONFIG_ZCRYPT) += zcrypt_cex2a.o zcrypt_cex4.o
|
||||
# zcrypt_api depends on ap
|
||||
obj-$(CONFIG_ZCRYPT) += ap.o zcrypt_api.o
|
||||
# msgtype* depend on zcrypt_api
|
||||
obj-$(CONFIG_ZCRYPT) += zcrypt_msgtype6.o zcrypt_msgtype50.o
|
||||
# adapter drivers depend on ap, zcrypt_api and msgtype*
|
||||
obj-$(CONFIG_ZCRYPT) += zcrypt_pcixcc.o zcrypt_cex2a.o zcrypt_cex4.o
|
||||
|
|
|
|||
|
|
@ -74,6 +74,7 @@ static struct device *ap_root_device = NULL;
|
|||
static struct ap_config_info *ap_configuration;
|
||||
static DEFINE_SPINLOCK(ap_device_list_lock);
|
||||
static LIST_HEAD(ap_device_list);
|
||||
static bool initialised;
|
||||
|
||||
/*
|
||||
* Workqueue timer for bus rescan.
|
||||
|
|
@ -1384,6 +1385,9 @@ int ap_driver_register(struct ap_driver *ap_drv, struct module *owner,
|
|||
{
|
||||
struct device_driver *drv = &ap_drv->driver;
|
||||
|
||||
if (!initialised)
|
||||
return -ENODEV;
|
||||
|
||||
drv->bus = &ap_bus_type;
|
||||
drv->probe = ap_device_probe;
|
||||
drv->remove = ap_device_remove;
|
||||
|
|
@ -1808,6 +1812,7 @@ int __init ap_module_init(void)
|
|||
goto out_pm;
|
||||
|
||||
queue_work(system_long_wq, &ap_scan_work);
|
||||
initialised = true;
|
||||
|
||||
return 0;
|
||||
|
||||
|
|
@ -1837,6 +1842,7 @@ void ap_module_exit(void)
|
|||
{
|
||||
int i;
|
||||
|
||||
initialised = false;
|
||||
ap_reset_domain();
|
||||
ap_poll_thread_stop();
|
||||
del_timer_sync(&ap_config_timer);
|
||||
|
|
|
|||
|
|
@ -317,11 +317,9 @@ EXPORT_SYMBOL(zcrypt_device_unregister);
|
|||
|
||||
void zcrypt_msgtype_register(struct zcrypt_ops *zops)
|
||||
{
|
||||
if (zops->owner) {
|
||||
spin_lock_bh(&zcrypt_ops_list_lock);
|
||||
list_add_tail(&zops->list, &zcrypt_ops_list);
|
||||
spin_unlock_bh(&zcrypt_ops_list_lock);
|
||||
}
|
||||
spin_lock_bh(&zcrypt_ops_list_lock);
|
||||
list_add_tail(&zops->list, &zcrypt_ops_list);
|
||||
spin_unlock_bh(&zcrypt_ops_list_lock);
|
||||
}
|
||||
EXPORT_SYMBOL(zcrypt_msgtype_register);
|
||||
|
||||
|
|
@ -342,7 +340,7 @@ struct zcrypt_ops *__ops_lookup(unsigned char *name, int variant)
|
|||
spin_lock_bh(&zcrypt_ops_list_lock);
|
||||
list_for_each_entry(zops, &zcrypt_ops_list, list) {
|
||||
if ((zops->variant == variant) &&
|
||||
(!strncmp(zops->owner->name, name, MODULE_NAME_LEN))) {
|
||||
(!strncmp(zops->name, name, sizeof(zops->name)))) {
|
||||
found = 1;
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -96,6 +96,7 @@ struct zcrypt_ops {
|
|||
struct list_head list; /* zcrypt ops list. */
|
||||
struct module *owner;
|
||||
int variant;
|
||||
char name[128];
|
||||
};
|
||||
|
||||
struct zcrypt_device {
|
||||
|
|
|
|||
|
|
@ -513,6 +513,7 @@ static struct zcrypt_ops zcrypt_msgtype50_ops = {
|
|||
.rsa_modexpo = zcrypt_cex2a_modexpo,
|
||||
.rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt,
|
||||
.owner = THIS_MODULE,
|
||||
.name = MSGTYPE50_NAME,
|
||||
.variant = MSGTYPE50_VARIANT_DEFAULT,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -1119,6 +1119,7 @@ static long zcrypt_msgtype6_rng(struct zcrypt_device *zdev,
|
|||
*/
|
||||
static struct zcrypt_ops zcrypt_msgtype6_norng_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = MSGTYPE06_NAME,
|
||||
.variant = MSGTYPE06_VARIANT_NORNG,
|
||||
.rsa_modexpo = zcrypt_msgtype6_modexpo,
|
||||
.rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
|
||||
|
|
@ -1127,6 +1128,7 @@ static struct zcrypt_ops zcrypt_msgtype6_norng_ops = {
|
|||
|
||||
static struct zcrypt_ops zcrypt_msgtype6_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = MSGTYPE06_NAME,
|
||||
.variant = MSGTYPE06_VARIANT_DEFAULT,
|
||||
.rsa_modexpo = zcrypt_msgtype6_modexpo,
|
||||
.rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
|
||||
|
|
@ -1136,6 +1138,7 @@ static struct zcrypt_ops zcrypt_msgtype6_ops = {
|
|||
|
||||
static struct zcrypt_ops zcrypt_msgtype6_ep11_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.name = MSGTYPE06_NAME,
|
||||
.variant = MSGTYPE06_VARIANT_EP11,
|
||||
.rsa_modexpo = NULL,
|
||||
.rsa_modexpo_crt = NULL,
|
||||
|
|
|
|||
Loading…
Reference in a new issue