summaryrefslogtreecommitdiff
path: root/arch/s390/include/asm
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /arch/s390/include/asm
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r--arch/s390/include/asm/cpacf.h410
-rw-r--r--arch/s390/include/asm/fpu/types.h10
-rw-r--r--arch/s390/include/asm/ftrace.h4
-rw-r--r--arch/s390/include/asm/kvm_host.h12
-rw-r--r--arch/s390/include/asm/livepatch.h7
-rw-r--r--arch/s390/include/asm/pci.h35
-rw-r--r--arch/s390/include/asm/pgtable.h1
-rw-r--r--arch/s390/include/asm/processor.h9
-rw-r--r--arch/s390/include/asm/rwsem.h18
-rw-r--r--arch/s390/include/asm/sclp.h14
-rw-r--r--arch/s390/include/asm/sigp.h1
-rw-r--r--arch/s390/include/asm/thread_info.h1
12 files changed, 490 insertions, 32 deletions
diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h
new file mode 100644
index 000000000..1a82cf26e
--- /dev/null
+++ b/arch/s390/include/asm/cpacf.h
@@ -0,0 +1,410 @@
+/*
+ * CP Assist for Cryptographic Functions (CPACF)
+ *
+ * Copyright IBM Corp. 2003, 2016
+ * Author(s): Thomas Spatzier
+ * Jan Glauber
+ * Harald Freudenberger (freude@de.ibm.com)
+ * Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+#ifndef _ASM_S390_CPACF_H
+#define _ASM_S390_CPACF_H
+
+#include <asm/facility.h>
+
+/*
+ * Instruction opcodes for the CPACF instructions
+ */
+#define CPACF_KMAC 0xb91e /* MSA */
+#define CPACF_KM 0xb92e /* MSA */
+#define CPACF_KMC 0xb92f /* MSA */
+#define CPACF_KIMD 0xb93e /* MSA */
+#define CPACF_KLMD 0xb93f /* MSA */
+#define CPACF_PCC 0xb92c /* MSA4 */
+#define CPACF_KMCTR 0xb92d /* MSA4 */
+#define CPACF_PPNO 0xb93c /* MSA5 */
+
+/*
+ * Function codes for the KM (CIPHER MESSAGE)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KM_QUERY 0x00
+#define CPACF_KM_DEA_ENC 0x01
+#define CPACF_KM_DEA_DEC 0x81
+#define CPACF_KM_TDEA_128_ENC 0x02
+#define CPACF_KM_TDEA_128_DEC 0x82
+#define CPACF_KM_TDEA_192_ENC 0x03
+#define CPACF_KM_TDEA_192_DEC 0x83
+#define CPACF_KM_AES_128_ENC 0x12
+#define CPACF_KM_AES_128_DEC 0x92
+#define CPACF_KM_AES_192_ENC 0x13
+#define CPACF_KM_AES_192_DEC 0x93
+#define CPACF_KM_AES_256_ENC 0x14
+#define CPACF_KM_AES_256_DEC 0x94
+#define CPACF_KM_XTS_128_ENC 0x32
+#define CPACF_KM_XTS_128_DEC 0xb2
+#define CPACF_KM_XTS_256_ENC 0x34
+#define CPACF_KM_XTS_256_DEC 0xb4
+
+/*
+ * Function codes for the KMC (CIPHER MESSAGE WITH CHAINING)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KMC_QUERY 0x00
+#define CPACF_KMC_DEA_ENC 0x01
+#define CPACF_KMC_DEA_DEC 0x81
+#define CPACF_KMC_TDEA_128_ENC 0x02
+#define CPACF_KMC_TDEA_128_DEC 0x82
+#define CPACF_KMC_TDEA_192_ENC 0x03
+#define CPACF_KMC_TDEA_192_DEC 0x83
+#define CPACF_KMC_AES_128_ENC 0x12
+#define CPACF_KMC_AES_128_DEC 0x92
+#define CPACF_KMC_AES_192_ENC 0x13
+#define CPACF_KMC_AES_192_DEC 0x93
+#define CPACF_KMC_AES_256_ENC 0x14
+#define CPACF_KMC_AES_256_DEC 0x94
+#define CPACF_KMC_PRNG 0x43
+
+/*
+ * Function codes for the KMCTR (CIPHER MESSAGE WITH COUNTER)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KMCTR_QUERY 0x00
+#define CPACF_KMCTR_DEA_ENC 0x01
+#define CPACF_KMCTR_DEA_DEC 0x81
+#define CPACF_KMCTR_TDEA_128_ENC 0x02
+#define CPACF_KMCTR_TDEA_128_DEC 0x82
+#define CPACF_KMCTR_TDEA_192_ENC 0x03
+#define CPACF_KMCTR_TDEA_192_DEC 0x83
+#define CPACF_KMCTR_AES_128_ENC 0x12
+#define CPACF_KMCTR_AES_128_DEC 0x92
+#define CPACF_KMCTR_AES_192_ENC 0x13
+#define CPACF_KMCTR_AES_192_DEC 0x93
+#define CPACF_KMCTR_AES_256_ENC 0x14
+#define CPACF_KMCTR_AES_256_DEC 0x94
+
+/*
+ * Function codes for the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KIMD_QUERY 0x00
+#define CPACF_KIMD_SHA_1 0x01
+#define CPACF_KIMD_SHA_256 0x02
+#define CPACF_KIMD_SHA_512 0x03
+#define CPACF_KIMD_GHASH 0x41
+
+/*
+ * Function codes for the KLMD (COMPUTE LAST MESSAGE DIGEST)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KLMD_QUERY 0x00
+#define CPACF_KLMD_SHA_1 0x01
+#define CPACF_KLMD_SHA_256 0x02
+#define CPACF_KLMD_SHA_512 0x03
+
+/*
+ * function codes for the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_KMAC_QUERY 0x00
+#define CPACF_KMAC_DEA 0x01
+#define CPACF_KMAC_TDEA_128 0x02
+#define CPACF_KMAC_TDEA_192 0x03
+
+/*
+ * Function codes for the PPNO (PERFORM PSEUDORANDOM NUMBER OPERATION)
+ * instruction (0x80 is the decipher modifier bit)
+ */
+#define CPACF_PPNO_QUERY 0x00
+#define CPACF_PPNO_SHA512_DRNG_GEN 0x03
+#define CPACF_PPNO_SHA512_DRNG_SEED 0x83
+
+/**
+ * cpacf_query() - check if a specific CPACF function is available
+ * @opcode: the opcode of the crypto instruction
+ * @func: the function code to test for
+ *
+ * Executes the query function for the given crypto instruction @opcode
+ * and checks if @func is available
+ *
+ * Returns 1 if @func is available for @opcode, 0 otherwise
+ */
+static inline void __cpacf_query(unsigned int opcode, unsigned char *status)
+{
+ typedef struct { unsigned char _[16]; } status_type;
+ register unsigned long r0 asm("0") = 0; /* query function */
+ register unsigned long r1 asm("1") = (unsigned long) status;
+
+ asm volatile(
+ /* Parameter registers are ignored, but may not be 0 */
+ "0: .insn rrf,%[opc] << 16,2,2,2,0\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : "=m" (*(status_type *) status)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode)
+ : "cc");
+}
+
+static inline int cpacf_query(unsigned int opcode, unsigned int func)
+{
+ unsigned char status[16];
+
+ switch (opcode) {
+ case CPACF_KMAC:
+ case CPACF_KM:
+ case CPACF_KMC:
+ case CPACF_KIMD:
+ case CPACF_KLMD:
+ if (!test_facility(17)) /* check for MSA */
+ return 0;
+ break;
+ case CPACF_PCC:
+ case CPACF_KMCTR:
+ if (!test_facility(77)) /* check for MSA4 */
+ return 0;
+ break;
+ case CPACF_PPNO:
+ if (!test_facility(57)) /* check for MSA5 */
+ return 0;
+ break;
+ default:
+ BUG();
+ }
+ __cpacf_query(opcode, status);
+ return (status[func >> 3] & (0x80 >> (func & 7))) != 0;
+}
+
+/**
+ * cpacf_km() - executes the KM (CIPHER MESSAGE) instruction
+ * @func: the function code passed to KM; see CPACF_KM_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @dest: address of destination memory area
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ *
+ * Returns 0 for the query func, number of processed bytes for
+ * encryption/decryption funcs
+ */
+static inline int cpacf_km(long func, void *param,
+ u8 *dest, const u8 *src, long src_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+ register unsigned long r4 asm("4") = (unsigned long) dest;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,%[dst],%[src]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KM)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_kmc() - executes the KMC (CIPHER MESSAGE WITH CHAINING) instruction
+ * @func: the function code passed to KM; see CPACF_KMC_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @dest: address of destination memory area
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ *
+ * Returns 0 for the query func, number of processed bytes for
+ * encryption/decryption funcs
+ */
+static inline int cpacf_kmc(long func, void *param,
+ u8 *dest, const u8 *src, long src_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+ register unsigned long r4 asm("4") = (unsigned long) dest;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,%[dst],%[src]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3), [dst] "+a" (r4)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMC)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_kimd() - executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST)
+ * instruction
+ * @func: the function code passed to KM; see CPACF_KIMD_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ *
+ * Returns 0 for the query func, number of processed bytes for digest funcs
+ */
+static inline int cpacf_kimd(long func, void *param,
+ const u8 *src, long src_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,0,%[src]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KIMD)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_klmd() - executes the KLMD (COMPUTE LAST MESSAGE DIGEST) instruction
+ * @func: the function code passed to KM; see CPACF_KLMD_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ *
+ * Returns 0 for the query func, number of processed bytes for digest funcs
+ */
+static inline int cpacf_klmd(long func, void *param,
+ const u8 *src, long src_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,0,%[src]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KLMD)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_kmac() - executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE)
+ * instruction
+ * @func: the function code passed to KM; see CPACF_KMAC_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ *
+ * Returns 0 for the query func, number of processed bytes for digest funcs
+ */
+static inline int cpacf_kmac(long func, void *param,
+ const u8 *src, long src_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,0,%[src]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMAC)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_kmctr() - executes the KMCTR (CIPHER MESSAGE WITH COUNTER) instruction
+ * @func: the function code passed to KMCTR; see CPACF_KMCTR_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @dest: address of destination memory area
+ * @src: address of source memory area
+ * @src_len: length of src operand in bytes
+ * @counter: address of counter value
+ *
+ * Returns 0 for the query func, number of processed bytes for
+ * encryption/decryption funcs
+ */
+static inline int cpacf_kmctr(long func, void *param, u8 *dest,
+ const u8 *src, long src_len, u8 *counter)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) src;
+ register unsigned long r3 asm("3") = (unsigned long) src_len;
+ register unsigned long r4 asm("4") = (unsigned long) dest;
+ register unsigned long r6 asm("6") = (unsigned long) counter;
+
+ asm volatile(
+ "0: .insn rrf,%[opc] << 16,%[dst],%[src],%[ctr],0\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [src] "+a" (r2), [len] "+d" (r3),
+ [dst] "+a" (r4), [ctr] "+a" (r6)
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_KMCTR)
+ : "cc", "memory");
+
+ return src_len - r3;
+}
+
+/**
+ * cpacf_ppno() - executes the PPNO (PERFORM PSEUDORANDOM NUMBER OPERATION)
+ * instruction
+ * @func: the function code passed to PPNO; see CPACF_PPNO_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ * @dest: address of destination memory area
+ * @dest_len: size of destination memory area in bytes
+ * @seed: address of seed data
+ * @seed_len: size of seed data in bytes
+ *
+ * Returns 0 for the query func, number of random bytes stored in
+ * dest buffer for generate function
+ */
+static inline int cpacf_ppno(long func, void *param,
+ u8 *dest, long dest_len,
+ const u8 *seed, long seed_len)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+ register unsigned long r2 asm("2") = (unsigned long) dest;
+ register unsigned long r3 asm("3") = (unsigned long) dest_len;
+ register unsigned long r4 asm("4") = (unsigned long) seed;
+ register unsigned long r5 asm("5") = (unsigned long) seed_len;
+
+ asm volatile (
+ "0: .insn rre,%[opc] << 16,%[dst],%[seed]\n"
+ " brc 1,0b\n" /* handle partial completion */
+ : [dst] "+a" (r2), [dlen] "+d" (r3)
+ : [fc] "d" (r0), [pba] "a" (r1),
+ [seed] "a" (r4), [slen] "d" (r5), [opc] "i" (CPACF_PPNO)
+ : "cc", "memory");
+
+ return dest_len - r3;
+}
+
+/**
+ * cpacf_pcc() - executes the PCC (PERFORM CRYPTOGRAPHIC COMPUTATION)
+ * instruction
+ * @func: the function code passed to PCC; see CPACF_KM_xxx defines
+ * @param: address of parameter block; see POP for details on each func
+ *
+ * Returns 0.
+ */
+static inline int cpacf_pcc(long func, void *param)
+{
+ register unsigned long r0 asm("0") = (unsigned long) func;
+ register unsigned long r1 asm("1") = (unsigned long) param;
+
+ asm volatile(
+ "0: .insn rre,%[opc] << 16,0,0\n" /* PCC opcode */
+ " brc 1,0b\n" /* handle partial completion */
+ :
+ : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (CPACF_PCC)
+ : "cc", "memory");
+
+ return 0;
+}
+
+#endif /* _ASM_S390_CPACF_H */
diff --git a/arch/s390/include/asm/fpu/types.h b/arch/s390/include/asm/fpu/types.h
index 14a8b0c14..fe937c9b6 100644
--- a/arch/s390/include/asm/fpu/types.h
+++ b/arch/s390/include/asm/fpu/types.h
@@ -11,11 +11,13 @@
#include <asm/sigcontext.h>
struct fpu {
- __u32 fpc; /* Floating-point control */
+ __u32 fpc; /* Floating-point control */
+ void *regs; /* Pointer to the current save area */
union {
- void *regs;
- freg_t *fprs; /* Floating-point register save area */
- __vector128 *vxrs; /* Vector register save area */
+ /* Floating-point register save area */
+ freg_t fprs[__NUM_FPRS];
+ /* Vector register save area */
+ __vector128 vxrs[__NUM_VXRS];
};
};
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 836c56290..64053d9ac 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -12,7 +12,9 @@
#ifndef __ASSEMBLY__
-#define ftrace_return_address(n) __builtin_return_address(n)
+unsigned long return_address(int depth);
+
+#define ftrace_return_address(n) return_address(n)
void _mcount(void);
void ftrace_caller(void);
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 6da41fab7..ac82e8eb9 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -38,7 +38,7 @@
*/
#define KVM_NR_IRQCHIPS 1
#define KVM_IRQCHIP_NUM_PINS 4096
-#define KVM_HALT_POLL_NS_DEFAULT 0
+#define KVM_HALT_POLL_NS_DEFAULT 80000
/* s390-specific vcpu->requests bit members */
#define KVM_REQ_ENABLE_IBS 8
@@ -245,8 +245,10 @@ struct kvm_vcpu_stat {
u32 exit_stop_request;
u32 exit_validity;
u32 exit_instruction;
+ u32 exit_pei;
u32 halt_successful_poll;
u32 halt_attempted_poll;
+ u32 halt_poll_invalid;
u32 halt_wakeup;
u32 instruction_lctl;
u32 instruction_lctlg;
@@ -544,10 +546,6 @@ struct kvm_vcpu_arch {
struct kvm_s390_local_interrupt local_int;
struct hrtimer ckc_timer;
struct kvm_s390_pgm_info pgm;
- union {
- struct cpuid cpu_id;
- u64 stidp_data;
- };
struct gmap *gmap;
struct kvm_guestdbg_info_arch guestdbg;
unsigned long pfault_token;
@@ -605,7 +603,7 @@ struct kvm_s390_cpu_model {
__u64 fac_mask[S390_ARCH_FAC_LIST_SIZE_U64];
/* facility list requested by guest (in dma page) */
__u64 *fac_list;
- struct cpuid cpu_id;
+ u64 cpuid;
unsigned short ibc;
};
@@ -700,4 +698,6 @@ static inline void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {}
static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {}
+void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu);
+
#endif
diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h
index d5427c78b..2c1213785 100644
--- a/arch/s390/include/asm/livepatch.h
+++ b/arch/s390/include/asm/livepatch.h
@@ -24,13 +24,6 @@ static inline int klp_check_compiler_support(void)
return 0;
}
-static inline int klp_write_module_reloc(struct module *mod, unsigned long
- type, unsigned long loc, unsigned long value)
-{
- /* not supported yet */
- return -ENOSYS;
-}
-
static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
{
regs->psw.addr = ip;
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 535a46d46..0da91c4d3 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -31,20 +31,41 @@ int pci_proc_domain(struct pci_bus *);
#define ZPCI_FC_BLOCKED 0x20
#define ZPCI_FC_DMA_ENABLED 0x10
+#define ZPCI_FMB_DMA_COUNTER_VALID (1 << 23)
+
+struct zpci_fmb_fmt0 {
+ u64 dma_rbytes;
+ u64 dma_wbytes;
+};
+
+struct zpci_fmb_fmt1 {
+ u64 rx_bytes;
+ u64 rx_packets;
+ u64 tx_bytes;
+ u64 tx_packets;
+};
+
+struct zpci_fmb_fmt2 {
+ u64 consumed_work_units;
+ u64 max_work_units;
+};
+
struct zpci_fmb {
- u32 format : 8;
- u32 dma_valid : 1;
- u32 : 23;
+ u32 format : 8;
+ u32 fmt_ind : 24;
u32 samples;
u64 last_update;
- /* hardware counters */
+ /* common counters */
u64 ld_ops;
u64 st_ops;
u64 stb_ops;
u64 rpcit_ops;
- u64 dma_rbytes;
- u64 dma_wbytes;
- u64 pad[2];
+ /* format specific counters */
+ union {
+ struct zpci_fmb_fmt0 fmt0;
+ struct zpci_fmb_fmt1 fmt1;
+ struct zpci_fmb_fmt2 fmt2;
+ };
} __packed __aligned(128);
enum zpci_state {
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 2f6664558..18d2beb89 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1223,6 +1223,7 @@ static inline int pmd_trans_huge(pmd_t pmd)
return pmd_val(pmd) & _SEGMENT_ENTRY_LARGE;
}
+#define has_transparent_hugepage has_transparent_hugepage
static inline int has_transparent_hugepage(void)
{
return MACHINE_HAS_HPAGE ? 1 : 0;
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 18cdede1a..9d4d311d7 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -105,7 +105,6 @@ typedef struct {
* Thread structure
*/
struct thread_struct {
- struct fpu fpu; /* FP and VX register save area */
unsigned int acrs[NUM_ACRS];
unsigned long ksp; /* kernel stack pointer */
mm_segment_t mm_segment;
@@ -120,6 +119,11 @@ struct thread_struct {
/* cpu runtime instrumentation */
struct runtime_instr_cb *ri_cb;
unsigned char trap_tdb[256]; /* Transaction abort diagnose block */
+ /*
+ * Warning: 'fpu' is dynamically-sized. It *MUST* be at
+ * the end.
+ */
+ struct fpu fpu; /* FP and VX register save area */
};
/* Flag to disable transactions. */
@@ -155,10 +159,9 @@ struct stack_frame {
#define ARCH_MIN_TASKALIGN 8
-extern __vector128 init_task_fpu_regs[__NUM_VXRS];
#define INIT_THREAD { \
.ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
- .fpu.regs = (void *)&init_task_fpu_regs, \
+ .fpu.regs = (void *) init_task.thread.fpu.fprs, \
}
/*
diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h
index fead491df..c75e4471e 100644
--- a/arch/s390/include/asm/rwsem.h
+++ b/arch/s390/include/asm/rwsem.h
@@ -90,7 +90,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
/*
* lock for writing
*/
-static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
+static inline long ___down_write(struct rw_semaphore *sem)
{
signed long old, new, tmp;
@@ -104,13 +104,23 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
: "=&d" (old), "=&d" (new), "=Q" (sem->count)
: "Q" (sem->count), "m" (tmp)
: "cc", "memory");
- if (old != 0)
- rwsem_down_write_failed(sem);
+
+ return old;
}
static inline void __down_write(struct rw_semaphore *sem)
{
- __down_write_nested(sem, 0);
+ if (___down_write(sem))
+ rwsem_down_write_failed(sem);
+}
+
+static inline int __down_write_killable(struct rw_semaphore *sem)
+{
+ if (___down_write(sem))
+ if (IS_ERR(rwsem_down_write_failed_killable(sem)))
+ return -EINTR;
+
+ return 0;
}
/*
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index bab456be9..e4f6f73af 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -69,9 +69,22 @@ struct sclp_info {
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_get_core_info(struct sclp_core_info *info);
int sclp_core_configure(u8 core);
int sclp_core_deconfigure(u8 core);
@@ -83,6 +96,7 @@ int sclp_chp_read_info(struct sclp_chp_info *info);
void sclp_get_ipl_info(struct sclp_ipl_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_early_detect(void);
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index ec60cf7fa..1c8f33fca 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -27,6 +27,7 @@
/* SIGP cpu status bits */
+#define SIGP_STATUS_INVALID_ORDER 0x00000002UL
#define SIGP_STATUS_CHECK_STOP 0x00000010UL
#define SIGP_STATUS_STOPPED 0x00000040UL
#define SIGP_STATUS_EXT_CALL_PENDING 0x00000080UL
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 2fffc2c27..f15c0398c 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -62,6 +62,7 @@ static inline struct thread_info *current_thread_info(void)
}
void arch_release_task_struct(struct task_struct *tsk);
+int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
#define THREAD_SIZE_ORDER THREAD_ORDER