4 files changed, 81 insertions, 5 deletions

diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index da359ca6fe55..cdb9b78f6c08 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -131,7 +131,8 @@ struct compat_statfs {
 	compat_fsid_t	f_fsid;
 	s32		f_namelen;
 	s32		f_frsize;
-	s32		f_spare[6];
+	s32		f_flags;
+	s32		f_spare[5];
 };
 
 #define COMPAT_RLIM_OLD_INFINITY	0x7fffffff
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 64b61bf72e93..547f1a6a35d4 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -188,7 +188,8 @@ extern char elf_platform[];
 #define SET_PERSONALITY(ex)					\
 do {								\
 	if (personality(current->personality) != PER_LINUX32)	\
-		set_personality(PER_LINUX);			\
+		set_personality(PER_LINUX |			\
+			(current->personality & ~PER_MASK));	\
 	if ((ex).e_ident[EI_CLASS] == ELFCLASS32)		\
 		set_thread_flag(TIF_31BIT);			\
 	else							\
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 519eb5f187ef..c0cb794bb365 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -658,12 +658,14 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
  * struct gmap_struct - guest address space
  * @mm: pointer to the parent mm_struct
  * @table: pointer to the page directory
+ * @asce: address space control element for gmap page table
  * @crst_list: list of all crst tables used in the guest address space
  */
 struct gmap {
 	struct list_head list;
 	struct mm_struct *mm;
 	unsigned long *table;
+	unsigned long asce;
 	struct list_head crst_list;
 };
 
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index cbbf7d831a33..e63d13dd3bf5 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -125,6 +125,40 @@ struct slibe {
 };
 
 /**
+ * struct qaob - queue asynchronous operation block
+ * @res0: reserved parameters
+ * @res1: reserved parameter
+ * @res2: reserved parameter
+ * @res3: reserved parameter
+ * @aorc: asynchronous operation return code
+ * @flags: internal flags
+ * @cbtbs: control block type
+ * @sb_count: number of storage blocks
+ * @sba: storage block element addresses
+ * @dcount: size of storage block elements
+ * @user0: user defineable value
+ * @res4: reserved paramater
+ * @user1: user defineable value
+ * @user2: user defineable value
+ */
+struct qaob {
+	u64 res0[6];
+	u8 res1;
+	u8 res2;
+	u8 res3;
+	u8 aorc;
+	u8 flags;
+	u16 cbtbs;
+	u8 sb_count;
+	u64 sba[QDIO_MAX_ELEMENTS_PER_BUFFER];
+	u16 dcount[QDIO_MAX_ELEMENTS_PER_BUFFER];
+	u64 user0;
+	u64 res4[2];
+	u64 user1;
+	u64 user2;
+} __attribute__ ((packed, aligned(256)));
+
+/**
  * struct slib - storage list information block (SLIB)
  * @nsliba: next SLIB address (if any)
  * @sla: SL address
@@ -229,6 +263,41 @@ struct slsb {
 #define CHSC_AC2_DATA_DIV_AVAILABLE	0x0010
 #define CHSC_AC2_DATA_DIV_ENABLED	0x0002
 
+/**
+ * struct qdio_outbuf_state - SBAL related asynchronous operation information
+ *   (for communication with upper layer programs)
+ *   (only required for use with completion queues)
+ * @flags: flags indicating state of buffer
+ * @aob: pointer to QAOB used for the particular SBAL
+ * @user: pointer to upper layer program's state information related to SBAL
+ *        (stored in user1 data of QAOB)
+ */
+struct qdio_outbuf_state {
+	u8 flags;
+	struct qaob *aob;
+	void *user;
+};
+
+#define QDIO_OUTBUF_STATE_FLAG_NONE	0x00
+#define QDIO_OUTBUF_STATE_FLAG_PENDING	0x01
+
+#define CHSC_AC1_INITIATE_INPUTQ	0x80
+
+
+/* qdio adapter-characteristics-1 flag */
+#define AC1_SIGA_INPUT_NEEDED		0x40	/* process input queues */
+#define AC1_SIGA_OUTPUT_NEEDED		0x20	/* process output queues */
+#define AC1_SIGA_SYNC_NEEDED		0x10	/* ask hypervisor to sync */
+#define AC1_AUTOMATIC_SYNC_ON_THININT	0x08	/* set by hypervisor */
+#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI	0x04	/* set by hypervisor */
+#define AC1_SC_QEBSM_AVAILABLE		0x02	/* available for subchannel */
+#define AC1_SC_QEBSM_ENABLED		0x01	/* enabled for subchannel */
+
+#define CHSC_AC2_DATA_DIV_AVAILABLE	0x0010
+#define CHSC_AC2_DATA_DIV_ENABLED	0x0002
+
+#define CHSC_AC3_FORMAT2_CQ_AVAILABLE	0x8000
+
 struct qdio_ssqd_desc {
 	u8 flags;
 	u8:8;
@@ -247,8 +316,7 @@ struct qdio_ssqd_desc {
 	u64 sch_token;
 	u8 mro;
 	u8 mri;
-	u8:8;
-	u8 sbalic;
+	u16 qdioac3;
 	u16:16;
 	u8:8;
 	u8 mmwc;
@@ -284,9 +352,11 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
  * @no_output_qs: number of output queues
  * @input_handler: handler to be called for input queues
  * @output_handler: handler to be called for output queues
+ * @queue_start_poll: polling handlers (one per input queue or NULL)
  * @int_parm: interruption parameter
  * @input_sbal_addr_array:  address of no_input_qs * 128 pointers
  * @output_sbal_addr_array: address of no_output_qs * 128 pointers
+ * @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL)
  */
 struct qdio_initialize {
 	struct ccw_device *cdev;
@@ -302,11 +372,12 @@ struct qdio_initialize {
 	unsigned int no_output_qs;
 	qdio_handler_t *input_handler;
 	qdio_handler_t *output_handler;
-	void (*queue_start_poll) (struct ccw_device *, int, unsigned long);
+	void (**queue_start_poll) (struct ccw_device *, int, unsigned long);
 	int scan_threshold;
 	unsigned long int_parm;
 	void **input_sbal_addr_array;
 	void **output_sbal_addr_array;
+	struct qdio_outbuf_state *output_sbal_state_array;
 };
 
 #define QDIO_STATE_INACTIVE		0x00000002 /* after qdio_cleanup */
@@ -321,6 +392,7 @@ struct qdio_initialize {
 extern int qdio_allocate(struct qdio_initialize *);
 extern int qdio_establish(struct qdio_initialize *);
 extern int qdio_activate(struct ccw_device *);
+extern void qdio_release_aob(struct qaob *);
 extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int,
 		   unsigned int);
 extern int qdio_start_irq(struct ccw_device *, int);