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-rw-r--r--include/linux/mm.h44
-rw-r--r--include/linux/ntb.h9
-rw-r--r--include/linux/ntb_transport.h1
-rw-r--r--include/linux/pm_opp.h6
-rw-r--r--include/linux/seq_file.h19
-rw-r--r--include/linux/syscalls.h2
-rw-r--r--include/linux/thermal.h26
7 files changed, 78 insertions, 29 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fda728e3c27d..91c08f6f0dc9 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -20,6 +20,7 @@
#include <linux/shrinker.h>
#include <linux/resource.h>
#include <linux/page_ext.h>
+#include <linux/err.h>
struct mempolicy;
struct anon_vma;
@@ -1214,6 +1215,49 @@ long get_user_pages_unlocked(struct task_struct *tsk, struct mm_struct *mm,
int write, int force, struct page **pages);
int get_user_pages_fast(unsigned long start, int nr_pages, int write,
struct page **pages);
+
+/* Container for pinned pfns / pages */
+struct frame_vector {
+ unsigned int nr_allocated; /* Number of frames we have space for */
+ unsigned int nr_frames; /* Number of frames stored in ptrs array */
+ bool got_ref; /* Did we pin pages by getting page ref? */
+ bool is_pfns; /* Does array contain pages or pfns? */
+ void *ptrs[0]; /* Array of pinned pfns / pages. Use
+ * pfns_vector_pages() or pfns_vector_pfns()
+ * for access */
+};
+
+struct frame_vector *frame_vector_create(unsigned int nr_frames);
+void frame_vector_destroy(struct frame_vector *vec);
+int get_vaddr_frames(unsigned long start, unsigned int nr_pfns,
+ bool write, bool force, struct frame_vector *vec);
+void put_vaddr_frames(struct frame_vector *vec);
+int frame_vector_to_pages(struct frame_vector *vec);
+void frame_vector_to_pfns(struct frame_vector *vec);
+
+static inline unsigned int frame_vector_count(struct frame_vector *vec)
+{
+ return vec->nr_frames;
+}
+
+static inline struct page **frame_vector_pages(struct frame_vector *vec)
+{
+ if (vec->is_pfns) {
+ int err = frame_vector_to_pages(vec);
+
+ if (err)
+ return ERR_PTR(err);
+ }
+ return (struct page **)(vec->ptrs);
+}
+
+static inline unsigned long *frame_vector_pfns(struct frame_vector *vec)
+{
+ if (!vec->is_pfns)
+ frame_vector_to_pfns(vec);
+ return (unsigned long *)(vec->ptrs);
+}
+
struct kvec;
int get_kernel_pages(const struct kvec *iov, int nr_pages, int write,
struct page **pages);
diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index b02f72bb8e32..f798e2afba88 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -522,10 +522,9 @@ static inline int ntb_mw_clear_trans(struct ntb_dev *ntb, int idx)
* @speed: OUT - The link speed expressed as PCIe generation number.
* @width: OUT - The link width expressed as the number of PCIe lanes.
*
- * Set the translation of a memory window. The peer may access local memory
- * through the window starting at the address, up to the size. The address
- * must be aligned to the alignment specified by ntb_mw_get_range(). The size
- * must be aligned to the size alignment specified by ntb_mw_get_range().
+ * Get the current state of the ntb link. It is recommended to query the link
+ * state once after every link event. It is safe to query the link state in
+ * the context of the link event callback.
*
* Return: One if the link is up, zero if the link is down, otherwise a
* negative value indicating the error number.
@@ -795,7 +794,7 @@ static inline int ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits)
}
/**
- * ntb_peer_db_clear() - clear bits in the local doorbell register
+ * ntb_peer_db_clear() - clear bits in the peer doorbell register
* @ntb: NTB device context.
* @db_bits: Doorbell bits to clear.
*
diff --git a/include/linux/ntb_transport.h b/include/linux/ntb_transport.h
index 2862861366a5..7243eb98a722 100644
--- a/include/linux/ntb_transport.h
+++ b/include/linux/ntb_transport.h
@@ -83,3 +83,4 @@ void *ntb_transport_rx_remove(struct ntb_transport_qp *qp, unsigned int *len);
void ntb_transport_link_up(struct ntb_transport_qp *qp);
void ntb_transport_link_down(struct ntb_transport_qp *qp);
bool ntb_transport_link_query(struct ntb_transport_qp *qp);
+unsigned int ntb_transport_tx_free_entry(struct ntb_transport_qp *qp);
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index cab7ba55bedb..e817722ee3f0 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -34,6 +34,7 @@ bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
int dev_pm_opp_get_opp_count(struct device *dev);
unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
+struct dev_pm_opp *dev_pm_opp_get_suspend_opp(struct device *dev);
struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq,
@@ -80,6 +81,11 @@ static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
return 0;
}
+static inline struct dev_pm_opp *dev_pm_opp_get_suspend_opp(struct device *dev)
+{
+ return NULL;
+}
+
static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
unsigned long freq, bool available)
{
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index adeadbd6d7bf..dde00defbaa5 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -114,13 +114,18 @@ int seq_open(struct file *, const struct seq_operations *);
ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
loff_t seq_lseek(struct file *, loff_t, int);
int seq_release(struct inode *, struct file *);
-int seq_escape(struct seq_file *, const char *, const char *);
-int seq_putc(struct seq_file *m, char c);
-int seq_puts(struct seq_file *m, const char *s);
int seq_write(struct seq_file *seq, const void *data, size_t len);
-__printf(2, 3) int seq_printf(struct seq_file *, const char *, ...);
-__printf(2, 0) int seq_vprintf(struct seq_file *, const char *, va_list args);
+__printf(2, 0)
+void seq_vprintf(struct seq_file *m, const char *fmt, va_list args);
+__printf(2, 3)
+void seq_printf(struct seq_file *m, const char *fmt, ...);
+void seq_putc(struct seq_file *m, char c);
+void seq_puts(struct seq_file *m, const char *s);
+void seq_put_decimal_ull(struct seq_file *m, char delimiter,
+ unsigned long long num);
+void seq_put_decimal_ll(struct seq_file *m, char delimiter, long long num);
+void seq_escape(struct seq_file *m, const char *s, const char *esc);
void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type,
int rowsize, int groupsize, const void *buf, size_t len,
@@ -138,10 +143,6 @@ int single_release(struct inode *, struct file *);
void *__seq_open_private(struct file *, const struct seq_operations *, int);
int seq_open_private(struct file *, const struct seq_operations *, int);
int seq_release_private(struct inode *, struct file *);
-int seq_put_decimal_ull(struct seq_file *m, char delimiter,
- unsigned long long num);
-int seq_put_decimal_ll(struct seq_file *m, char delimiter,
- long long num);
static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
{
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 08001317aee7..a460e2ef2843 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -885,4 +885,6 @@ asmlinkage long sys_execveat(int dfd, const char __user *filename,
const char __user *const __user *argv,
const char __user *const __user *envp, int flags);
+asmlinkage long sys_membarrier(int cmd, int flags);
+
#endif
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 037e9df2f610..17292fee8686 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -92,23 +92,19 @@ struct thermal_zone_device_ops {
struct thermal_cooling_device *);
int (*unbind) (struct thermal_zone_device *,
struct thermal_cooling_device *);
- int (*get_temp) (struct thermal_zone_device *, unsigned long *);
+ int (*get_temp) (struct thermal_zone_device *, int *);
int (*get_mode) (struct thermal_zone_device *,
enum thermal_device_mode *);
int (*set_mode) (struct thermal_zone_device *,
enum thermal_device_mode);
int (*get_trip_type) (struct thermal_zone_device *, int,
enum thermal_trip_type *);
- int (*get_trip_temp) (struct thermal_zone_device *, int,
- unsigned long *);
- int (*set_trip_temp) (struct thermal_zone_device *, int,
- unsigned long);
- int (*get_trip_hyst) (struct thermal_zone_device *, int,
- unsigned long *);
- int (*set_trip_hyst) (struct thermal_zone_device *, int,
- unsigned long);
- int (*get_crit_temp) (struct thermal_zone_device *, unsigned long *);
- int (*set_emul_temp) (struct thermal_zone_device *, unsigned long);
+ int (*get_trip_temp) (struct thermal_zone_device *, int, int *);
+ int (*set_trip_temp) (struct thermal_zone_device *, int, int);
+ int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
+ int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
+ int (*get_crit_temp) (struct thermal_zone_device *, int *);
+ int (*set_emul_temp) (struct thermal_zone_device *, int);
int (*get_trend) (struct thermal_zone_device *, int,
enum thermal_trend *);
int (*notify) (struct thermal_zone_device *, int,
@@ -332,9 +328,9 @@ struct thermal_genl_event {
* temperature.
*/
struct thermal_zone_of_device_ops {
- int (*get_temp)(void *, long *);
+ int (*get_temp)(void *, int *);
int (*get_trend)(void *, long *);
- int (*set_emul_temp)(void *, unsigned long);
+ int (*set_emul_temp)(void *, int);
};
/**
@@ -406,7 +402,7 @@ thermal_of_cooling_device_register(struct device_node *np, char *, void *,
const struct thermal_cooling_device_ops *);
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
-int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp);
+int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
int get_tz_trend(struct thermal_zone_device *, int);
struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
@@ -457,7 +453,7 @@ static inline struct thermal_zone_device *thermal_zone_get_zone_by_name(
const char *name)
{ return ERR_PTR(-ENODEV); }
static inline int thermal_zone_get_temp(
- struct thermal_zone_device *tz, unsigned long *temp)
+ struct thermal_zone_device *tz, int *temp)
{ return -ENODEV; }
static inline int get_tz_trend(struct thermal_zone_device *tz, int trip)
{ return -ENODEV; }