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-rw-r--r--include/acpi/acpixf.h1
-rw-r--r--include/acpi/actypes.h15
-rw-r--r--include/acpi/video.h11
-rw-r--r--include/linux/acpi.h1
-rw-r--r--include/linux/cgroup.h3
-rw-r--r--include/linux/cgroup_subsys.h45
-rw-r--r--include/linux/cpu.h2
-rw-r--r--include/linux/crc-t10dif.h4
-rw-r--r--include/linux/dcache.h2
-rw-r--r--include/linux/device.h37
-rw-r--r--include/linux/drbd.h6
-rw-r--r--include/linux/drbd_genl.h2
-rw-r--r--include/linux/drbd_limits.h9
-rw-r--r--include/linux/edac.h7
-rw-r--r--include/linux/if_vlan.h3
-rw-r--r--include/linux/iio/iio.h4
-rw-r--r--include/linux/list.h11
-rw-r--r--include/linux/mfd/syscon/imx6q-iomuxc-gpr.h121
-rw-r--r--include/linux/perf_event.h2
-rw-r--r--include/linux/pm_wakeup.h4
-rw-r--r--include/linux/sysfs.h64
-rw-r--r--include/trace/events/bcache.h381
-rw-r--r--include/trace/ftrace.h4
-rw-r--r--include/uapi/asm-generic/fcntl.h4
-rw-r--r--include/xen/interface/io/blkif.h53
-rw-r--r--include/xen/interface/io/ring.h5
26 files changed, 565 insertions, 236 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 1b09300810e6..22d497ee6ef9 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -62,6 +62,7 @@ extern u32 acpi_current_gpe_count;
extern struct acpi_table_fadt acpi_gbl_FADT;
extern u8 acpi_gbl_system_awake_and_running;
extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */
+extern u8 acpi_gbl_osi_data;
/* Runtime configuration of debug print levels */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index a64adcc29ae5..22b03c9286e9 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1144,4 +1144,19 @@ struct acpi_memory_list {
#endif
};
+/* Definitions for _OSI support */
+
+#define ACPI_OSI_WIN_2000 0x01
+#define ACPI_OSI_WIN_XP 0x02
+#define ACPI_OSI_WIN_XP_SP1 0x03
+#define ACPI_OSI_WINSRV_2003 0x04
+#define ACPI_OSI_WIN_XP_SP2 0x05
+#define ACPI_OSI_WINSRV_2003_SP1 0x06
+#define ACPI_OSI_WIN_VISTA 0x07
+#define ACPI_OSI_WINSRV_2008 0x08
+#define ACPI_OSI_WIN_VISTA_SP1 0x09
+#define ACPI_OSI_WIN_VISTA_SP2 0x0A
+#define ACPI_OSI_WIN_7 0x0B
+#define ACPI_OSI_WIN_8 0x0C
+
#endif /* __ACTYPES_H__ */
diff --git a/include/acpi/video.h b/include/acpi/video.h
index 61109f2609fc..b26dc4fb7ba8 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -17,12 +17,21 @@ struct acpi_device;
#define ACPI_VIDEO_DISPLAY_LEGACY_TV 0x0200
#if (defined CONFIG_ACPI_VIDEO || defined CONFIG_ACPI_VIDEO_MODULE)
-extern int acpi_video_register(void);
+extern int __acpi_video_register(bool backlight_quirks);
+static inline int acpi_video_register(void)
+{
+ return __acpi_video_register(false);
+}
+static inline int acpi_video_register_with_quirks(void)
+{
+ return __acpi_video_register(true);
+}
extern void acpi_video_unregister(void);
extern int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid);
#else
static inline int acpi_video_register(void) { return 0; }
+static inline int acpi_video_register_with_quirks(void) { return 0; }
static inline void acpi_video_unregister(void) { return; }
static inline int acpi_video_get_edid(struct acpi_device *device, int type,
int device_id, void **edid)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 353ba256f368..6ad72f92469c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -191,6 +191,7 @@ extern bool wmi_has_guid(const char *guid);
#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200
#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400
#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800
+#define ACPI_VIDEO_SKIP_BACKLIGHT 0x1000
#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 297462b9f41a..e9ac882868c0 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -542,8 +542,7 @@ int cgroup_rm_cftypes(struct cgroup_subsys *ss, struct cftype *cfts);
bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor);
int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen);
-int task_cgroup_path_from_hierarchy(struct task_struct *task, int hierarchy_id,
- char *buf, size_t buflen);
+int task_cgroup_path(struct task_struct *task, char *buf, size_t buflen);
int cgroup_task_count(const struct cgroup *cgrp);
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index 6e7ec64b69ab..b613ffd402d1 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -1,86 +1,55 @@
-/* Add subsystem definitions of the form SUBSYS(<name>) in this
- * file. Surround each one by a line of comment markers so that
- * patches don't collide
+/*
+ * List of cgroup subsystems.
+ *
+ * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
*/
-
-/* */
-
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CPUSETS)
SUBSYS(cpuset)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEBUG)
SUBSYS(debug)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_SCHED)
SUBSYS(cpu_cgroup)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_CPUACCT)
SUBSYS(cpuacct)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_MEMCG)
SUBSYS(mem_cgroup)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_DEVICE)
SUBSYS(devices)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_FREEZER)
SUBSYS(freezer)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_NET_CLS_CGROUP)
SUBSYS(net_cls)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_BLK_CGROUP)
SUBSYS(blkio)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_PERF)
SUBSYS(perf)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_NETPRIO_CGROUP)
SUBSYS(net_prio)
#endif
-/* */
-
#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_HUGETLB)
SUBSYS(hugetlb)
#endif
-
-/* */
-
-#ifdef CONFIG_CGROUP_BCACHE
-SUBSYS(bcache)
-#endif
-
-/* */
+/*
+ * DO NOT ADD ANY SUBSYSTEM WITHOUT EXPLICIT ACKS FROM CGROUP MAINTAINERS.
+ */
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 944f283f01c4..ab0eade73039 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -114,7 +114,7 @@ enum {
/* Need to know about CPUs going up/down? */
#if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE)
#define cpu_notifier(fn, pri) { \
- static struct notifier_block fn##_nb __cpuinitdata = \
+ static struct notifier_block fn##_nb = \
{ .notifier_call = fn, .priority = pri }; \
register_cpu_notifier(&fn##_nb); \
}
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index b3cb71f0d3b0..a9c96d865ee7 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -3,10 +3,6 @@
#include <linux/types.h>
-#define CRC_T10DIF_DIGEST_SIZE 2
-#define CRC_T10DIF_BLOCK_SIZE 1
-
-__u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len);
__u16 crc_t10dif(unsigned char const *, size_t);
#endif
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 3092df3614ae..b90337c9d468 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -324,7 +324,7 @@ static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq)
return ret;
}
-static inline unsigned d_count(struct dentry *dentry)
+static inline unsigned d_count(const struct dentry *dentry)
{
return dentry->d_count;
}
diff --git a/include/linux/device.h b/include/linux/device.h
index bcf8c0d4cd98..22b546a58591 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -47,7 +47,11 @@ struct bus_attribute {
};
#define BUS_ATTR(_name, _mode, _show, _store) \
-struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+ struct bus_attribute bus_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define BUS_ATTR_RW(_name) \
+ struct bus_attribute bus_attr_##_name = __ATTR_RW(_name)
+#define BUS_ATTR_RO(_name) \
+ struct bus_attribute bus_attr_##_name = __ATTR_RO(_name)
extern int __must_check bus_create_file(struct bus_type *,
struct bus_attribute *);
@@ -261,9 +265,12 @@ struct driver_attribute {
size_t count);
};
-#define DRIVER_ATTR(_name, _mode, _show, _store) \
-struct driver_attribute driver_attr_##_name = \
- __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR(_name, _mode, _show, _store) \
+ struct driver_attribute driver_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DRIVER_ATTR_RW(_name) \
+ struct driver_attribute driver_attr_##_name = __ATTR_RW(_name)
+#define DRIVER_ATTR_RO(_name) \
+ struct driver_attribute driver_attr_##_name = __ATTR_RO(_name)
extern int __must_check driver_create_file(struct device_driver *driver,
const struct driver_attribute *attr);
@@ -313,6 +320,7 @@ int subsys_virtual_register(struct bus_type *subsys,
* @name: Name of the class.
* @owner: The module owner.
* @class_attrs: Default attributes of this class.
+ * @dev_groups: Default attributes of the devices that belong to the class.
* @dev_attrs: Default attributes of the devices belong to the class.
* @dev_bin_attrs: Default binary attributes of the devices belong to the class.
* @dev_kobj: The kobject that represents this class and links it into the hierarchy.
@@ -342,7 +350,8 @@ struct class {
struct module *owner;
struct class_attribute *class_attrs;
- struct device_attribute *dev_attrs;
+ struct device_attribute *dev_attrs; /* use dev_groups instead */
+ const struct attribute_group **dev_groups;
struct bin_attribute *dev_bin_attrs;
struct kobject *dev_kobj;
@@ -414,8 +423,12 @@ struct class_attribute {
const struct class_attribute *attr);
};
-#define CLASS_ATTR(_name, _mode, _show, _store) \
-struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR(_name, _mode, _show, _store) \
+ struct class_attribute class_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define CLASS_ATTR_RW(_name) \
+ struct class_attribute class_attr_##_name = __ATTR_RW(_name)
+#define CLASS_ATTR_RO(_name) \
+ struct class_attribute class_attr_##_name = __ATTR_RO(_name)
extern int __must_check class_create_file(struct class *class,
const struct class_attribute *attr);
@@ -423,7 +436,6 @@ extern void class_remove_file(struct class *class,
const struct class_attribute *attr);
/* Simple class attribute that is just a static string */
-
struct class_attribute_string {
struct class_attribute attr;
char *str;
@@ -512,6 +524,10 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
#define DEVICE_ATTR(_name, _mode, _show, _store) \
struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DEVICE_ATTR_RW(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
+#define DEVICE_ATTR_RO(_name) \
+ struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
#define DEVICE_ULONG_ATTR(_name, _mode, _var) \
struct dev_ext_attribute dev_attr_##_name = \
{ __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
@@ -924,6 +940,11 @@ extern __printf(5, 6)
struct device *device_create(struct class *cls, struct device *parent,
dev_t devt, void *drvdata,
const char *fmt, ...);
+extern __printf(6, 7)
+struct device *device_create_with_groups(struct class *cls,
+ struct device *parent, dev_t devt, void *drvdata,
+ const struct attribute_group **groups,
+ const char *fmt, ...);
extern void device_destroy(struct class *cls, dev_t devt);
/*
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 1b4d4ee1168f..de7d74ab3de6 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -177,7 +177,11 @@ enum drbd_ret_code {
ERR_NEED_APV_100 = 163,
ERR_NEED_ALLOW_TWO_PRI = 164,
ERR_MD_UNCLEAN = 165,
-
+ ERR_MD_LAYOUT_CONNECTED = 166,
+ ERR_MD_LAYOUT_TOO_BIG = 167,
+ ERR_MD_LAYOUT_TOO_SMALL = 168,
+ ERR_MD_LAYOUT_NO_FIT = 169,
+ ERR_IMPLICIT_SHRINK = 170,
/* insert new ones above this line */
AFTER_LAST_ERR_CODE
};
diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h
index d0d8fac8a6e4..e8c44572b8cb 100644
--- a/include/linux/drbd_genl.h
+++ b/include/linux/drbd_genl.h
@@ -181,6 +181,8 @@ GENL_struct(DRBD_NLA_RESIZE_PARMS, 7, resize_parms,
__u64_field(1, DRBD_GENLA_F_MANDATORY, resize_size)
__flg_field(2, DRBD_GENLA_F_MANDATORY, resize_force)
__flg_field(3, DRBD_GENLA_F_MANDATORY, no_resync)
+ __u32_field_def(4, 0 /* OPTIONAL */, al_stripes, DRBD_AL_STRIPES_DEF)
+ __u32_field_def(5, 0 /* OPTIONAL */, al_stripe_size, DRBD_AL_STRIPE_SIZE_DEF)
)
GENL_struct(DRBD_NLA_STATE_INFO, 8, state_info,
diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h
index 1fedf2b17cc8..17e50bb00521 100644
--- a/include/linux/drbd_limits.h
+++ b/include/linux/drbd_limits.h
@@ -215,4 +215,13 @@
#define DRBD_ALWAYS_ASBP_DEF 0
#define DRBD_USE_RLE_DEF 1
+#define DRBD_AL_STRIPES_MIN 1
+#define DRBD_AL_STRIPES_MAX 1024
+#define DRBD_AL_STRIPES_DEF 1
+#define DRBD_AL_STRIPES_SCALE '1'
+
+#define DRBD_AL_STRIPE_SIZE_MIN 4
+#define DRBD_AL_STRIPE_SIZE_MAX 16777216
+#define DRBD_AL_STRIPE_SIZE_DEF 32
+#define DRBD_AL_STRIPE_SIZE_SCALE 'k' /* kilobytes */
#endif
diff --git a/include/linux/edac.h b/include/linux/edac.h
index 0b763276f619..5c6d7fbaf89e 100644
--- a/include/linux/edac.h
+++ b/include/linux/edac.h
@@ -622,7 +622,7 @@ struct edac_raw_error_desc {
*/
struct mem_ctl_info {
struct device dev;
- struct bus_type bus;
+ struct bus_type *bus;
struct list_head link; /* for global list of mem_ctl_info structs */
@@ -742,4 +742,9 @@ struct mem_ctl_info {
#endif
};
+/*
+ * Maximum number of memory controllers in the coherent fabric.
+ */
+#define EDAC_MAX_MCS 16
+
#endif
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index cdcbafa9b39a..715c343f7c00 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -79,9 +79,8 @@ static inline int is_vlan_dev(struct net_device *dev)
}
#define vlan_tx_tag_present(__skb) ((__skb)->vlan_tci & VLAN_TAG_PRESENT)
-#define vlan_tx_nonzero_tag_present(__skb) \
- (vlan_tx_tag_present(__skb) && ((__skb)->vlan_tci & VLAN_VID_MASK))
#define vlan_tx_tag_get(__skb) ((__skb)->vlan_tci & ~VLAN_TAG_PRESENT)
+#define vlan_tx_tag_get_id(__skb) ((__skb)->vlan_tci & VLAN_VID_MASK)
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 8d171f427632..3d35b7023591 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -211,8 +211,8 @@ struct iio_chan_spec {
static inline bool iio_channel_has_info(const struct iio_chan_spec *chan,
enum iio_chan_info_enum type)
{
- return (chan->info_mask_separate & type) |
- (chan->info_mask_shared_by_type & type);
+ return (chan->info_mask_separate & BIT(type)) |
+ (chan->info_mask_shared_by_type & BIT(type));
}
#define IIO_ST(si, rb, sb, sh) \
diff --git a/include/linux/list.h b/include/linux/list.h
index b83e5657365a..f4d8a2f12a33 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -381,17 +381,6 @@ static inline void list_splice_tail_init(struct list_head *list,
for (pos = (head)->next; pos != (head); pos = pos->next)
/**
- * __list_for_each - iterate over a list
- * @pos: the &struct list_head to use as a loop cursor.
- * @head: the head for your list.
- *
- * This variant doesn't differ from list_for_each() any more.
- * We don't do prefetching in either case.
- */
-#define __list_for_each(pos, head) \
- for (pos = (head)->next; pos != (head); pos = pos->next)
-
-/**
* list_for_each_prev - iterate over a list backwards
* @pos: the &struct list_head to use as a loop cursor.
* @head: the head for your list.
diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
index dab34a1deb2c..e235251f1ba9 100644
--- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
+++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
@@ -279,41 +279,88 @@
#define IMX6Q_GPR13_CAN2_STOP_REQ BIT(29)
#define IMX6Q_GPR13_CAN1_STOP_REQ BIT(28)
#define IMX6Q_GPR13_ENET_STOP_REQ BIT(27)
-#define IMX6Q_GPR13_SATA_PHY_8_MASK (0x7 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_0_5_DB (0x0 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_1_0_DB (0x1 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_1_5_DB (0x2 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_2_0_DB (0x3 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_2_5_DB (0x4 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_3_0_DB (0x5 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_3_5_DB (0x6 << 24)
-#define IMX6Q_GPR13_SATA_PHY_8_4_0_DB (0x7 << 24)
-#define IMX6Q_GPR13_SATA_PHY_7_MASK (0x1f << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA1I (0x10 << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA1M (0x10 << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA1X (0x1a << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA2I (0x12 << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA2M (0x12 << 19)
-#define IMX6Q_GPR13_SATA_PHY_7_SATA2X (0x1a << 19)
-#define IMX6Q_GPR13_SATA_PHY_6_MASK (0x7 << 16)
-#define IMX6Q_GPR13_SATA_SPEED_MASK BIT(15)
-#define IMX6Q_GPR13_SATA_SPEED_1P5G 0x0
-#define IMX6Q_GPR13_SATA_SPEED_3P0G BIT(15)
-#define IMX6Q_GPR13_SATA_PHY_5 BIT(14)
-#define IMX6Q_GPR13_SATA_PHY_4_MASK (0x7 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_16_16 (0x0 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_14_16 (0x1 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_12_16 (0x2 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_10_16 (0x3 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_9_16 (0x4 << 11)
-#define IMX6Q_GPR13_SATA_PHY_4_8_16 (0x5 << 11)
-#define IMX6Q_GPR13_SATA_PHY_3_MASK (0xf << 7)
-#define IMX6Q_GPR13_SATA_PHY_3_OFF 0x7
-#define IMX6Q_GPR13_SATA_PHY_2_MASK (0x1f << 2)
-#define IMX6Q_GPR13_SATA_PHY_2_OFF 0x2
-#define IMX6Q_GPR13_SATA_PHY_1_MASK (0x3 << 0)
-#define IMX6Q_GPR13_SATA_PHY_1_FAST (0x0 << 0)
-#define IMX6Q_GPR13_SATA_PHY_1_MED (0x1 << 0)
-#define IMX6Q_GPR13_SATA_PHY_1_SLOW (0x2 << 0)
-
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_MASK (0x7 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_0_5_DB (0x0 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_1_0_DB (0x1 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_1_5_DB (0x2 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_2_0_DB (0x3 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_2_5_DB (0x4 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB (0x5 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_3_5_DB (0x6 << 24)
+#define IMX6Q_GPR13_SATA_RX_EQ_VAL_4_0_DB (0x7 << 24)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_MASK (0x1f << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA1I (0x10 << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA1M (0x10 << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA1X (0x1a << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2I (0x12 << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M (0x12 << 19)
+#define IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2X (0x1a << 19)
+#define IMX6Q_GPR13_SATA_RX_DPLL_MODE_MASK (0x7 << 16)
+#define IMX6Q_GPR13_SATA_RX_DPLL_MODE_1P_1F (0x0 << 16)
+#define IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_2F (0x1 << 16)
+#define IMX6Q_GPR13_SATA_RX_DPLL_MODE_1P_4F (0x2 << 16)
+#define IMX6Q_GPR13_SATA_RX_DPLL_MODE_2P_4F (0x3 << 16)
+#define IMX6Q_GPR13_SATA_SPD_MODE_MASK BIT(15)
+#define IMX6Q_GPR13_SATA_SPD_MODE_1P5G 0x0
+#define IMX6Q_GPR13_SATA_SPD_MODE_3P0G BIT(15)
+#define IMX6Q_GPR13_SATA_MPLL_SS_EN BIT(14)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_MASK (0x7 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_16_16 (0x0 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_14_16 (0x1 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_12_16 (0x2 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_10_16 (0x3 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_9_16 (0x4 << 11)
+#define IMX6Q_GPR13_SATA_TX_ATTEN_8_16 (0x5 << 11)
+#define IMX6Q_GPR13_SATA_TX_BOOST_MASK (0xf << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_0_00_DB (0x0 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_0_37_DB (0x1 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_0_74_DB (0x2 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_1_11_DB (0x3 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_1_48_DB (0x4 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_1_85_DB (0x5 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_2_22_DB (0x6 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_2_59_DB (0x7 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_2_96_DB (0x8 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_3_33_DB (0x9 << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_3_70_DB (0xa << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_4_07_DB (0xb << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_4_44_DB (0xc << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_4_81_DB (0xd << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_5_28_DB (0xe << 7)
+#define IMX6Q_GPR13_SATA_TX_BOOST_5_75_DB (0xf << 7)
+#define IMX6Q_GPR13_SATA_TX_LVL_MASK (0x1f << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_937_V (0x00 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_947_V (0x01 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_957_V (0x02 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_966_V (0x03 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_976_V (0x04 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_986_V (0x05 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_0_996_V (0x06 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_005_V (0x07 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_015_V (0x08 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_025_V (0x09 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_035_V (0x0a << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_045_V (0x0b << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_054_V (0x0c << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_064_V (0x0d << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_074_V (0x0e << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_084_V (0x0f << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_094_V (0x10 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_104_V (0x11 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_113_V (0x12 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_123_V (0x13 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_133_V (0x14 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_143_V (0x15 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_152_V (0x16 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_162_V (0x17 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_172_V (0x18 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_182_V (0x19 << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_191_V (0x1a << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_201_V (0x1b << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_211_V (0x1c << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_221_V (0x1d << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_230_V (0x1e << 2)
+#define IMX6Q_GPR13_SATA_TX_LVL_1_240_V (0x1f << 2)
+#define IMX6Q_GPR13_SATA_MPLL_CLK_EN BIT(1)
+#define IMX6Q_GPR13_SATA_TX_EDGE_RATE BIT(0)
#endif /* __LINUX_IMX6Q_IOMUXC_GPR_H */
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8873f82c7baa..c43f6eabad5b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -826,7 +826,7 @@ static inline void perf_restore_debug_store(void) { }
*/
#define perf_cpu_notifier(fn) \
do { \
- static struct notifier_block fn##_nb __cpuinitdata = \
+ static struct notifier_block fn##_nb = \
{ .notifier_call = fn, .priority = CPU_PRI_PERF }; \
unsigned long cpu = smp_processor_id(); \
unsigned long flags; \
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h
index 569781faa504..a0f70808d7f4 100644
--- a/include/linux/pm_wakeup.h
+++ b/include/linux/pm_wakeup.h
@@ -36,8 +36,8 @@
* @last_time: Monotonic clock when the wakeup source's was touched last time.
* @prevent_sleep_time: Total time this source has been preventing autosleep.
* @event_count: Number of signaled wakeup events.
- * @active_count: Number of times the wakeup sorce was activated.
- * @relax_count: Number of times the wakeup sorce was deactivated.
+ * @active_count: Number of times the wakeup source was activated.
+ * @relax_count: Number of times the wakeup source was deactivated.
* @expire_count: Number of times the wakeup source's timeout has expired.
* @wakeup_count: Number of times the wakeup source might abort suspend.
* @active: Status of the wakeup source.
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index e2cee22f578a..9e8a9b555ad6 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -17,10 +17,12 @@
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/kobject_ns.h>
+#include <linux/stat.h>
#include <linux/atomic.h>
struct kobject;
struct module;
+struct bin_attribute;
enum kobj_ns_type;
struct attribute {
@@ -59,26 +61,28 @@ struct attribute_group {
umode_t (*is_visible)(struct kobject *,
struct attribute *, int);
struct attribute **attrs;
+ struct bin_attribute **bin_attrs;
};
-
-
/**
* Use these macros to make defining attributes easier. See include/linux/device.h
* for examples..
*/
-#define __ATTR(_name,_mode,_show,_store) { \
- .attr = {.name = __stringify(_name), .mode = _mode }, \
- .show = _show, \
- .store = _store, \
+#define __ATTR(_name,_mode,_show,_store) { \
+ .attr = {.name = __stringify(_name), .mode = _mode }, \
+ .show = _show, \
+ .store = _store, \
}
-#define __ATTR_RO(_name) { \
- .attr = { .name = __stringify(_name), .mode = 0444 }, \
- .show = _name##_show, \
+#define __ATTR_RO(_name) { \
+ .attr = { .name = __stringify(_name), .mode = S_IRUGO }, \
+ .show = _name##_show, \
}
+#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO), \
+ _name##_show, _name##_store)
+
#define __ATTR_NULL { .attr = { .name = NULL } }
#ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -92,6 +96,18 @@ struct attribute_group {
#define __ATTR_IGNORE_LOCKDEP __ATTR
#endif
+#define __ATTRIBUTE_GROUPS(_name) \
+static const struct attribute_group *_name##_groups[] = { \
+ &_name##_group, \
+ NULL, \
+}
+
+#define ATTRIBUTE_GROUPS(_name) \
+static const struct attribute_group _name##_group = { \
+ .attrs = _name##_attrs, \
+}; \
+__ATTRIBUTE_GROUPS(_name)
+
#define attr_name(_attr) (_attr).attr.name
struct file;
@@ -121,6 +137,36 @@ struct bin_attribute {
*/
#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr)
+/* macros to create static binary attributes easier */
+#define __BIN_ATTR(_name, _mode, _read, _write, _size) { \
+ .attr = { .name = __stringify(_name), .mode = _mode }, \
+ .read = _read, \
+ .write = _write, \
+ .size = _size, \
+}
+
+#define __BIN_ATTR_RO(_name, _size) { \
+ .attr = { .name = __stringify(_name), .mode = S_IRUGO }, \
+ .read = _name##_read, \
+ .size = _size, \
+}
+
+#define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name, \
+ (S_IWUSR | S_IRUGO), _name##_read, \
+ _name##_write)
+
+#define __BIN_ATTR_NULL __ATTR_NULL
+
+#define BIN_ATTR(_name, _mode, _read, _write, _size) \
+struct bin_attribute bin_attr_##_name = __BIN_ATTR(_name, _mode, _read, \
+ _write, _size)
+
+#define BIN_ATTR_RO(_name, _size) \
+struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size)
+
+#define BIN_ATTR_RW(_name, _size) \
+struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size)
+
struct sysfs_ops {
ssize_t (*show)(struct kobject *, struct attribute *,char *);
ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h
index 3cc5a0b278c3..5ebda976ea93 100644
--- a/include/trace/events/bcache.h
+++ b/include/trace/events/bcache.h
@@ -9,9 +9,7 @@
struct search;
DECLARE_EVENT_CLASS(bcache_request,
-
TP_PROTO(struct search *s, struct bio *bio),
-
TP_ARGS(s, bio),
TP_STRUCT__entry(
@@ -22,7 +20,6 @@ DECLARE_EVENT_CLASS(bcache_request,
__field(dev_t, orig_sector )
__field(unsigned int, nr_sector )
__array(char, rwbs, 6 )
- __array(char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
@@ -33,36 +30,66 @@ DECLARE_EVENT_CLASS(bcache_request,
__entry->orig_sector = bio->bi_sector - 16;
__entry->nr_sector = bio->bi_size >> 9;
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
- memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
- TP_printk("%d,%d %s %llu + %u [%s] (from %d,%d @ %llu)",
+ TP_printk("%d,%d %s %llu + %u (from %d,%d @ %llu)",
MAJOR(__entry->dev), MINOR(__entry->dev),
- __entry->rwbs,
- (unsigned long long)__entry->sector,
- __entry->nr_sector, __entry->comm,
- __entry->orig_major, __entry->orig_minor,
+ __entry->rwbs, (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->orig_major, __entry->orig_minor,
(unsigned long long)__entry->orig_sector)
);
-DEFINE_EVENT(bcache_request, bcache_request_start,
+DECLARE_EVENT_CLASS(bkey,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k),
- TP_PROTO(struct search *s, struct bio *bio),
+ TP_STRUCT__entry(
+ __field(u32, size )
+ __field(u32, inode )
+ __field(u64, offset )
+ __field(bool, dirty )
+ ),
- TP_ARGS(s, bio)
+ TP_fast_assign(
+ __entry->inode = KEY_INODE(k);
+ __entry->offset = KEY_OFFSET(k);
+ __entry->size = KEY_SIZE(k);
+ __entry->dirty = KEY_DIRTY(k);
+ ),
+
+ TP_printk("%u:%llu len %u dirty %u", __entry->inode,
+ __entry->offset, __entry->size, __entry->dirty)
);
-DEFINE_EVENT(bcache_request, bcache_request_end,
+DECLARE_EVENT_CLASS(btree_node,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b),
+
+ TP_STRUCT__entry(
+ __field(size_t, bucket )
+ ),
+ TP_fast_assign(
+ __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
+ ),
+
+ TP_printk("bucket %zu", __entry->bucket)
+);
+
+/* request.c */
+
+DEFINE_EVENT(bcache_request, bcache_request_start,
TP_PROTO(struct search *s, struct bio *bio),
+ TP_ARGS(s, bio)
+);
+DEFINE_EVENT(bcache_request, bcache_request_end,
+ TP_PROTO(struct search *s, struct bio *bio),
TP_ARGS(s, bio)
);
DECLARE_EVENT_CLASS(bcache_bio,
-
TP_PROTO(struct bio *bio),
-
TP_ARGS(bio),
TP_STRUCT__entry(
@@ -70,7 +97,6 @@ DECLARE_EVENT_CLASS(bcache_bio,
__field(sector_t, sector )
__field(unsigned int, nr_sector )
__array(char, rwbs, 6 )
- __array(char, comm, TASK_COMM_LEN )
),
TP_fast_assign(
@@ -78,191 +104,328 @@ DECLARE_EVENT_CLASS(bcache_bio,
__entry->sector = bio->bi_sector;
__entry->nr_sector = bio->bi_size >> 9;
blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
- memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
),
- TP_printk("%d,%d %s %llu + %u [%s]",
- MAJOR(__entry->dev), MINOR(__entry->dev),
- __entry->rwbs,
- (unsigned long long)__entry->sector,
- __entry->nr_sector, __entry->comm)
+ TP_printk("%d,%d %s %llu + %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs,
+ (unsigned long long)__entry->sector, __entry->nr_sector)
);
-
-DEFINE_EVENT(bcache_bio, bcache_passthrough,
-
+DEFINE_EVENT(bcache_bio, bcache_bypass_sequential,
TP_PROTO(struct bio *bio),
+ TP_ARGS(bio)
+);
+DEFINE_EVENT(bcache_bio, bcache_bypass_congested,
+ TP_PROTO(struct bio *bio),
TP_ARGS(bio)
);
-DEFINE_EVENT(bcache_bio, bcache_cache_hit,
+TRACE_EVENT(bcache_read,
+ TP_PROTO(struct bio *bio, bool hit, bool bypass),
+ TP_ARGS(bio, hit, bypass),
- TP_PROTO(struct bio *bio),
+ TP_STRUCT__entry(
+ __field(dev_t, dev )
+ __field(sector_t, sector )
+ __field(unsigned int, nr_sector )
+ __array(char, rwbs, 6 )
+ __field(bool, cache_hit )
+ __field(bool, bypass )
+ ),
- TP_ARGS(bio)
+ TP_fast_assign(
+ __entry->dev = bio->bi_bdev->bd_dev;
+ __entry->sector = bio->bi_sector;
+ __entry->nr_sector = bio->bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->cache_hit = hit;
+ __entry->bypass = bypass;
+ ),
+
+ TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->rwbs, (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->cache_hit, __entry->bypass)
);
-DEFINE_EVENT(bcache_bio, bcache_cache_miss,
+TRACE_EVENT(bcache_write,
+ TP_PROTO(struct bio *bio, bool writeback, bool bypass),
+ TP_ARGS(bio, writeback, bypass),
- TP_PROTO(struct bio *bio),
+ TP_STRUCT__entry(
+ __field(dev_t, dev )
+ __field(sector_t, sector )
+ __field(unsigned int, nr_sector )
+ __array(char, rwbs, 6 )
+ __field(bool, writeback )
+ __field(bool, bypass )
+ ),
- TP_ARGS(bio)
+ TP_fast_assign(
+ __entry->dev = bio->bi_bdev->bd_dev;
+ __entry->sector = bio->bi_sector;
+ __entry->nr_sector = bio->bi_size >> 9;
+ blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
+ __entry->writeback = writeback;
+ __entry->bypass = bypass;
+ ),
+
+ TP_printk("%d,%d %s %llu + %u hit %u bypass %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->rwbs, (unsigned long long)__entry->sector,
+ __entry->nr_sector, __entry->writeback, __entry->bypass)
);
DEFINE_EVENT(bcache_bio, bcache_read_retry,
-
TP_PROTO(struct bio *bio),
-
TP_ARGS(bio)
);
-DEFINE_EVENT(bcache_bio, bcache_writethrough,
+DEFINE_EVENT(bkey, bcache_cache_insert,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
+);
- TP_PROTO(struct bio *bio),
+/* Journal */
- TP_ARGS(bio)
-);
+DECLARE_EVENT_CLASS(cache_set,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c),
-DEFINE_EVENT(bcache_bio, bcache_writeback,
+ TP_STRUCT__entry(
+ __array(char, uuid, 16 )
+ ),
- TP_PROTO(struct bio *bio),
+ TP_fast_assign(
+ memcpy(__entry->uuid, c->sb.set_uuid, 16);
+ ),
- TP_ARGS(bio)
+ TP_printk("%pU", __entry->uuid)
);
-DEFINE_EVENT(bcache_bio, bcache_write_skip,
-
- TP_PROTO(struct bio *bio),
+DEFINE_EVENT(bkey, bcache_journal_replay_key,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
+);
- TP_ARGS(bio)
+DEFINE_EVENT(cache_set, bcache_journal_full,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
);
-DEFINE_EVENT(bcache_bio, bcache_btree_read,
+DEFINE_EVENT(cache_set, bcache_journal_entry_full,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
+);
+DEFINE_EVENT(bcache_bio, bcache_journal_write,
TP_PROTO(struct bio *bio),
-
TP_ARGS(bio)
);
-DEFINE_EVENT(bcache_bio, bcache_btree_write,
+/* Btree */
- TP_PROTO(struct bio *bio),
+DEFINE_EVENT(cache_set, bcache_btree_cache_cannibalize,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
+);
- TP_ARGS(bio)
+DEFINE_EVENT(btree_node, bcache_btree_read,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b)
);
-DEFINE_EVENT(bcache_bio, bcache_write_dirty,
+TRACE_EVENT(bcache_btree_write,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b),
- TP_PROTO(struct bio *bio),
+ TP_STRUCT__entry(
+ __field(size_t, bucket )
+ __field(unsigned, block )
+ __field(unsigned, keys )
+ ),
- TP_ARGS(bio)
+ TP_fast_assign(
+ __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
+ __entry->block = b->written;
+ __entry->keys = b->sets[b->nsets].data->keys;
+ ),
+
+ TP_printk("bucket %zu", __entry->bucket)
);
-DEFINE_EVENT(bcache_bio, bcache_read_dirty,
+DEFINE_EVENT(btree_node, bcache_btree_node_alloc,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b)
+);
- TP_PROTO(struct bio *bio),
+DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b)
+);
- TP_ARGS(bio)
+DEFINE_EVENT(btree_node, bcache_btree_node_free,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b)
);
-DEFINE_EVENT(bcache_bio, bcache_write_moving,
+TRACE_EVENT(bcache_btree_gc_coalesce,
+ TP_PROTO(unsigned nodes),
+ TP_ARGS(nodes),
- TP_PROTO(struct bio *bio),
+ TP_STRUCT__entry(
+ __field(unsigned, nodes )
+ ),
- TP_ARGS(bio)
+ TP_fast_assign(
+ __entry->nodes = nodes;
+ ),
+
+ TP_printk("coalesced %u nodes", __entry->nodes)
);
-DEFINE_EVENT(bcache_bio, bcache_read_moving,
+DEFINE_EVENT(cache_set, bcache_gc_start,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
+);
- TP_PROTO(struct bio *bio),
+DEFINE_EVENT(cache_set, bcache_gc_end,
+ TP_PROTO(struct cache_set *c),
+ TP_ARGS(c)
+);
- TP_ARGS(bio)
+DEFINE_EVENT(bkey, bcache_gc_copy,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
);
-DEFINE_EVENT(bcache_bio, bcache_journal_write,
+DEFINE_EVENT(bkey, bcache_gc_copy_collision,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
+);
- TP_PROTO(struct bio *bio),
+TRACE_EVENT(bcache_btree_insert_key,
+ TP_PROTO(struct btree *b, struct bkey *k, unsigned op, unsigned status),
+ TP_ARGS(b, k, op, status),
- TP_ARGS(bio)
-);
+ TP_STRUCT__entry(
+ __field(u64, btree_node )
+ __field(u32, btree_level )
+ __field(u32, inode )
+ __field(u64, offset )
+ __field(u32, size )
+ __field(u8, dirty )
+ __field(u8, op )
+ __field(u8, status )
+ ),
-DECLARE_EVENT_CLASS(bcache_cache_bio,
+ TP_fast_assign(
+ __entry->btree_node = PTR_BUCKET_NR(b->c, &b->key, 0);
+ __entry->btree_level = b->level;
+ __entry->inode = KEY_INODE(k);
+ __entry->offset = KEY_OFFSET(k);
+ __entry->size = KEY_SIZE(k);
+ __entry->dirty = KEY_DIRTY(k);
+ __entry->op = op;
+ __entry->status = status;
+ ),
- TP_PROTO(struct bio *bio,
- sector_t orig_sector,
- struct block_device* orig_bdev),
+ TP_printk("%u for %u at %llu(%u): %u:%llu len %u dirty %u",
+ __entry->status, __entry->op,
+ __entry->btree_node, __entry->btree_level,
+ __entry->inode, __entry->offset,
+ __entry->size, __entry->dirty)
+);
- TP_ARGS(bio, orig_sector, orig_bdev),
+DECLARE_EVENT_CLASS(btree_split,
+ TP_PROTO(struct btree *b, unsigned keys),
+ TP_ARGS(b, keys),
TP_STRUCT__entry(
- __field(dev_t, dev )
- __field(dev_t, orig_dev )
- __field(sector_t, sector )
- __field(sector_t, orig_sector )
- __field(unsigned int, nr_sector )
- __array(char, rwbs, 6 )
- __array(char, comm, TASK_COMM_LEN )
+ __field(size_t, bucket )
+ __field(unsigned, keys )
),
TP_fast_assign(
- __entry->dev = bio->bi_bdev->bd_dev;
- __entry->orig_dev = orig_bdev->bd_dev;
- __entry->sector = bio->bi_sector;
- __entry->orig_sector = orig_sector;
- __entry->nr_sector = bio->bi_size >> 9;
- blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
- memcpy(__entry->comm, current->comm, TASK_COMM_LEN);
+ __entry->bucket = PTR_BUCKET_NR(b->c, &b->key, 0);
+ __entry->keys = keys;
),
- TP_printk("%d,%d %s %llu + %u [%s] (from %d,%d %llu)",
- MAJOR(__entry->dev), MINOR(__entry->dev),
- __entry->rwbs,
- (unsigned long long)__entry->sector,
- __entry->nr_sector, __entry->comm,
- MAJOR(__entry->orig_dev), MINOR(__entry->orig_dev),
- (unsigned long long)__entry->orig_sector)
+ TP_printk("bucket %zu keys %u", __entry->bucket, __entry->keys)
);
-DEFINE_EVENT(bcache_cache_bio, bcache_cache_insert,
-
- TP_PROTO(struct bio *bio,
- sector_t orig_sector,
- struct block_device *orig_bdev),
+DEFINE_EVENT(btree_split, bcache_btree_node_split,
+ TP_PROTO(struct btree *b, unsigned keys),
+ TP_ARGS(b, keys)
+);
- TP_ARGS(bio, orig_sector, orig_bdev)
+DEFINE_EVENT(btree_split, bcache_btree_node_compact,
+ TP_PROTO(struct btree *b, unsigned keys),
+ TP_ARGS(b, keys)
);
-DECLARE_EVENT_CLASS(bcache_gc,
+DEFINE_EVENT(btree_node, bcache_btree_set_root,
+ TP_PROTO(struct btree *b),
+ TP_ARGS(b)
+);
- TP_PROTO(uint8_t *uuid),
+/* Allocator */
- TP_ARGS(uuid),
+TRACE_EVENT(bcache_alloc_invalidate,
+ TP_PROTO(struct cache *ca),
+ TP_ARGS(ca),
TP_STRUCT__entry(
- __field(uint8_t *, uuid)
+ __field(unsigned, free )
+ __field(unsigned, free_inc )
+ __field(unsigned, free_inc_size )
+ __field(unsigned, unused )
),
TP_fast_assign(
- __entry->uuid = uuid;
+ __entry->free = fifo_used(&ca->free);
+ __entry->free_inc = fifo_used(&ca->free_inc);
+ __entry->free_inc_size = ca->free_inc.size;
+ __entry->unused = fifo_used(&ca->unused);
),
- TP_printk("%pU", __entry->uuid)
+ TP_printk("free %u free_inc %u/%u unused %u", __entry->free,
+ __entry->free_inc, __entry->free_inc_size, __entry->unused)
);
+TRACE_EVENT(bcache_alloc_fail,
+ TP_PROTO(struct cache *ca),
+ TP_ARGS(ca),
-DEFINE_EVENT(bcache_gc, bcache_gc_start,
+ TP_STRUCT__entry(
+ __field(unsigned, free )
+ __field(unsigned, free_inc )
+ __field(unsigned, unused )
+ __field(unsigned, blocked )
+ ),
- TP_PROTO(uint8_t *uuid),
+ TP_fast_assign(
+ __entry->free = fifo_used(&ca->free);
+ __entry->free_inc = fifo_used(&ca->free_inc);
+ __entry->unused = fifo_used(&ca->unused);
+ __entry->blocked = atomic_read(&ca->set->prio_blocked);
+ ),
- TP_ARGS(uuid)
+ TP_printk("free %u free_inc %u unused %u blocked %u", __entry->free,
+ __entry->free_inc, __entry->unused, __entry->blocked)
);
-DEFINE_EVENT(bcache_gc, bcache_gc_end,
+/* Background writeback */
- TP_PROTO(uint8_t *uuid),
+DEFINE_EVENT(bkey, bcache_writeback,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
+);
- TP_ARGS(uuid)
+DEFINE_EVENT(bkey, bcache_writeback_collision,
+ TP_PROTO(struct bkey *k),
+ TP_ARGS(k)
);
#endif /* _TRACE_BCACHE_H */
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index d615f78cc6b6..41a6643e2136 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -670,10 +670,6 @@ perf_trace_##call(void *__data, proto) \
sizeof(u64)); \
__entry_size -= sizeof(u32); \
\
- if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE, \
- "profile buffer not large enough")) \
- return; \
- \
entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare( \
__entry_size, event_call->event.type, &__regs, &rctx); \
if (!entry) \
diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h
index 05ac354e124d..95e46c8e05f9 100644
--- a/include/uapi/asm-generic/fcntl.h
+++ b/include/uapi/asm-generic/fcntl.h
@@ -89,8 +89,8 @@
#endif
/* a horrid kludge trying to make sure that this will fail on old kernels */
-#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY | O_RDWR)
-#define O_TMPFILE_MASK (__O_TMPFILE | O_DIRECTORY | O_CREAT | O_ACCMODE)
+#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
+#define O_TMPFILE_MASK (__O_TMPFILE | O_DIRECTORY | O_CREAT)
#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h
index ffd4652de91c..65e12099ef89 100644
--- a/include/xen/interface/io/blkif.h
+++ b/include/xen/interface/io/blkif.h
@@ -103,12 +103,46 @@ typedef uint64_t blkif_sector_t;
#define BLKIF_OP_DISCARD 5
/*
+ * Recognized if "feature-max-indirect-segments" in present in the backend
+ * xenbus info. The "feature-max-indirect-segments" node contains the maximum
+ * number of segments allowed by the backend per request. If the node is
+ * present, the frontend might use blkif_request_indirect structs in order to
+ * issue requests with more than BLKIF_MAX_SEGMENTS_PER_REQUEST (11). The
+ * maximum number of indirect segments is fixed by the backend, but the
+ * frontend can issue requests with any number of indirect segments as long as
+ * it's less than the number provided by the backend. The indirect_grefs field
+ * in blkif_request_indirect should be filled by the frontend with the
+ * grant references of the pages that are holding the indirect segments.
+ * This pages are filled with an array of blkif_request_segment_aligned
+ * that hold the information about the segments. The number of indirect
+ * pages to use is determined by the maximum number of segments
+ * a indirect request contains. Every indirect page can contain a maximum
+ * of 512 segments (PAGE_SIZE/sizeof(blkif_request_segment_aligned)),
+ * so to calculate the number of indirect pages to use we have to do
+ * ceil(indirect_segments/512).
+ *
+ * If a backend does not recognize BLKIF_OP_INDIRECT, it should *not*
+ * create the "feature-max-indirect-segments" node!
+ */
+#define BLKIF_OP_INDIRECT 6
+
+/*
* Maximum scatter/gather segments per request.
* This is carefully chosen so that sizeof(struct blkif_ring) <= PAGE_SIZE.
* NB. This could be 12 if the ring indexes weren't stored in the same page.
*/
#define BLKIF_MAX_SEGMENTS_PER_REQUEST 11
+#define BLKIF_MAX_INDIRECT_PAGES_PER_REQUEST 8
+
+struct blkif_request_segment_aligned {
+ grant_ref_t gref; /* reference to I/O buffer frame */
+ /* @first_sect: first sector in frame to transfer (inclusive). */
+ /* @last_sect: last sector in frame to transfer (inclusive). */
+ uint8_t first_sect, last_sect;
+ uint16_t _pad; /* padding to make it 8 bytes, so it's cache-aligned */
+} __attribute__((__packed__));
+
struct blkif_request_rw {
uint8_t nr_segments; /* number of segments */
blkif_vdev_t handle; /* only for read/write requests */
@@ -147,12 +181,31 @@ struct blkif_request_other {
uint64_t id; /* private guest value, echoed in resp */
} __attribute__((__packed__));
+struct blkif_request_indirect {
+ uint8_t indirect_op;
+ uint16_t nr_segments;
+#ifdef CONFIG_X86_64
+ uint32_t _pad1; /* offsetof(blkif_...,u.indirect.id) == 8 */
+#endif
+ uint64_t id;
+ blkif_sector_t sector_number;
+ blkif_vdev_t handle;
+ uint16_t _pad2;
+ grant_ref_t indirect_grefs[BLKIF_MAX_INDIRECT_PAGES_PER_REQUEST];
+#ifdef CONFIG_X86_64
+ uint32_t _pad3; /* make it 64 byte aligned */
+#else
+ uint64_t _pad3; /* make it 64 byte aligned */
+#endif
+} __attribute__((__packed__));
+
struct blkif_request {
uint8_t operation; /* BLKIF_OP_??? */
union {
struct blkif_request_rw rw;
struct blkif_request_discard discard;
struct blkif_request_other other;
+ struct blkif_request_indirect indirect;
} u;
} __attribute__((__packed__));
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index 75271b9a8f61..7d28aff605c7 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -188,6 +188,11 @@ struct __name##_back_ring { \
#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \
(((_cons) - (_r)->rsp_prod_pvt) >= RING_SIZE(_r))
+/* Ill-behaved frontend determination: Can there be this many requests? */
+#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \
+ (((_prod) - (_r)->rsp_prod_pvt) > RING_SIZE(_r))
+
+
#define RING_PUSH_REQUESTS(_r) do { \
wmb(); /* back sees requests /before/ updated producer index */ \
(_r)->sring->req_prod = (_r)->req_prod_pvt; \