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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-25 22:41:00 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-02-25 22:41:00 -0500
commit874f2f997dbe041a6c6e509dae8656ed9022d65d (patch)
tree61898165882041ef7f9beaf2ef6663a1a4d3c29a /include
parent071c06cb570d38efe23a124e885f2f3e643a9206 (diff)
parent6ebdc661b608671e9ca572af8bb42d58108cc008 (diff)
Merge commit 'origin/master' into next
Manual merge of: drivers/char/hvc_console.c drivers/char/hvc_console.h
Diffstat (limited to 'include')
-rw-r--r--include/linux/amba/bus.h6
-rw-r--r--include/linux/blkdev.h4
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/hid.h5
-rw-r--r--include/linux/input.h43
-rw-r--r--include/linux/kfifo.h2
-rw-r--r--include/linux/of.h62
-rw-r--r--include/linux/of_fdt.h75
-rw-r--r--include/linux/spi/dw_spi.h5
-rw-r--r--include/linux/virtio.h4
-rw-r--r--include/linux/virtio_balloon.h15
-rw-r--r--include/linux/virtio_blk.h13
-rw-r--r--include/linux/virtio_console.h30
13 files changed, 209 insertions, 57 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index ab94335b4bb9..6816be6c3f77 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -1,5 +1,9 @@
1/* 1/*
2 * linux/include/asm-arm/hardware/amba.h 2 * linux/include/amba/bus.h
3 *
4 * This device type deals with ARM PrimeCells and anything else that
5 * presents a proper CID (0xB105F00D) at the end of the I/O register
6 * region or that is derived from a PrimeCell.
3 * 7 *
4 * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved. 8 * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
5 * 9 *
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5c8018977efa..1896e868854f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -461,8 +461,7 @@ struct request_queue
461#define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */ 461#define QUEUE_FLAG_NONROT 14 /* non-rotational device (SSD) */
462#define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */ 462#define QUEUE_FLAG_VIRT QUEUE_FLAG_NONROT /* paravirt device */
463#define QUEUE_FLAG_IO_STAT 15 /* do IO stats */ 463#define QUEUE_FLAG_IO_STAT 15 /* do IO stats */
464#define QUEUE_FLAG_CQ 16 /* hardware does queuing */ 464#define QUEUE_FLAG_DISCARD 16 /* supports DISCARD */
465#define QUEUE_FLAG_DISCARD 17 /* supports DISCARD */
466 465
467#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ 466#define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
468 (1 << QUEUE_FLAG_CLUSTER) | \ 467 (1 << QUEUE_FLAG_CLUSTER) | \
@@ -586,7 +585,6 @@ enum {
586 585
587#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags) 586#define blk_queue_plugged(q) test_bit(QUEUE_FLAG_PLUGGED, &(q)->queue_flags)
588#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags) 587#define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
589#define blk_queue_queuing(q) test_bit(QUEUE_FLAG_CQ, &(q)->queue_flags)
590#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) 588#define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
591#define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) 589#define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
592#define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags) 590#define blk_queue_nonrot(q) test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b1bcb275b596..ebb1cd5bc241 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -729,6 +729,7 @@ struct inode {
729 uid_t i_uid; 729 uid_t i_uid;
730 gid_t i_gid; 730 gid_t i_gid;
731 dev_t i_rdev; 731 dev_t i_rdev;
732 unsigned int i_blkbits;
732 u64 i_version; 733 u64 i_version;
733 loff_t i_size; 734 loff_t i_size;
734#ifdef __NEED_I_SIZE_ORDERED 735#ifdef __NEED_I_SIZE_ORDERED
@@ -738,7 +739,6 @@ struct inode {
738 struct timespec i_mtime; 739 struct timespec i_mtime;
739 struct timespec i_ctime; 740 struct timespec i_ctime;
740 blkcnt_t i_blocks; 741 blkcnt_t i_blocks;
741 unsigned int i_blkbits;
742 unsigned short i_bytes; 742 unsigned short i_bytes;
743 umode_t i_mode; 743 umode_t i_mode;
744 spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */ 744 spinlock_t i_lock; /* i_blocks, i_bytes, maybe i_size */
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 87093652dda8..b1344ec4b7fc 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -501,7 +501,7 @@ struct hid_device { /* device report descriptor */
501 void (*hiddev_report_event) (struct hid_device *, struct hid_report *); 501 void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
502 502
503 /* handler for raw output data, used by hidraw */ 503 /* handler for raw output data, used by hidraw */
504 int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t); 504 int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);
505 505
506 /* debugging support via debugfs */ 506 /* debugging support via debugfs */
507 unsigned short debug; 507 unsigned short debug;
@@ -663,7 +663,7 @@ struct hid_ll_driver {
663 663
664/* Applications from HID Usage Tables 4/8/99 Version 1.1 */ 664/* Applications from HID Usage Tables 4/8/99 Version 1.1 */
665/* We ignore a few input applications that are not widely used */ 665/* We ignore a few input applications that are not widely used */
666#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || (a == 0x000d0002)) 666#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006)))
667 667
668/* HID core API */ 668/* HID core API */
669 669
@@ -690,6 +690,7 @@ int hid_input_report(struct hid_device *, int type, u8 *, int, int);
690int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field); 690int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
691void hid_output_report(struct hid_report *report, __u8 *data); 691void hid_output_report(struct hid_report *report, __u8 *data);
692struct hid_device *hid_allocate_device(void); 692struct hid_device *hid_allocate_device(void);
693struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
693int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); 694int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
694int hid_check_keys_pressed(struct hid_device *hid); 695int hid_check_keys_pressed(struct hid_device *hid);
695int hid_connect(struct hid_device *hid, unsigned int connect_mask); 696int hid_connect(struct hid_device *hid, unsigned int connect_mask);
diff --git a/include/linux/input.h b/include/linux/input.h
index 735ceaf1bc2d..f44ee9114401 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -376,6 +376,7 @@ struct input_absinfo {
376#define KEY_DISPLAY_OFF 245 /* display device to off state */ 376#define KEY_DISPLAY_OFF 245 /* display device to off state */
377 377
378#define KEY_WIMAX 246 378#define KEY_WIMAX 246
379#define KEY_RFKILL 247 /* Key that controls all radios */
379 380
380/* Range 248 - 255 is reserved for special needs of AT keyboard driver */ 381/* Range 248 - 255 is reserved for special needs of AT keyboard driver */
381 382
@@ -597,6 +598,48 @@ struct input_absinfo {
597 598
598#define KEY_CAMERA_FOCUS 0x210 599#define KEY_CAMERA_FOCUS 0x210
599 600
601#define BTN_TRIGGER_HAPPY 0x2c0
602#define BTN_TRIGGER_HAPPY1 0x2c0
603#define BTN_TRIGGER_HAPPY2 0x2c1
604#define BTN_TRIGGER_HAPPY3 0x2c2
605#define BTN_TRIGGER_HAPPY4 0x2c3
606#define BTN_TRIGGER_HAPPY5 0x2c4
607#define BTN_TRIGGER_HAPPY6 0x2c5
608#define BTN_TRIGGER_HAPPY7 0x2c6
609#define BTN_TRIGGER_HAPPY8 0x2c7
610#define BTN_TRIGGER_HAPPY9 0x2c8
611#define BTN_TRIGGER_HAPPY10 0x2c9
612#define BTN_TRIGGER_HAPPY11 0x2ca
613#define BTN_TRIGGER_HAPPY12 0x2cb
614#define BTN_TRIGGER_HAPPY13 0x2cc
615#define BTN_TRIGGER_HAPPY14 0x2cd
616#define BTN_TRIGGER_HAPPY15 0x2ce
617#define BTN_TRIGGER_HAPPY16 0x2cf
618#define BTN_TRIGGER_HAPPY17 0x2d0
619#define BTN_TRIGGER_HAPPY18 0x2d1
620#define BTN_TRIGGER_HAPPY19 0x2d2
621#define BTN_TRIGGER_HAPPY20 0x2d3
622#define BTN_TRIGGER_HAPPY21 0x2d4
623#define BTN_TRIGGER_HAPPY22 0x2d5
624#define BTN_TRIGGER_HAPPY23 0x2d6
625#define BTN_TRIGGER_HAPPY24 0x2d7
626#define BTN_TRIGGER_HAPPY25 0x2d8
627#define BTN_TRIGGER_HAPPY26 0x2d9
628#define BTN_TRIGGER_HAPPY27 0x2da
629#define BTN_TRIGGER_HAPPY28 0x2db
630#define BTN_TRIGGER_HAPPY29 0x2dc
631#define BTN_TRIGGER_HAPPY30 0x2dd
632#define BTN_TRIGGER_HAPPY31 0x2de
633#define BTN_TRIGGER_HAPPY32 0x2df
634#define BTN_TRIGGER_HAPPY33 0x2e0
635#define BTN_TRIGGER_HAPPY34 0x2e1
636#define BTN_TRIGGER_HAPPY35 0x2e2
637#define BTN_TRIGGER_HAPPY36 0x2e3
638#define BTN_TRIGGER_HAPPY37 0x2e4
639#define BTN_TRIGGER_HAPPY38 0x2e5
640#define BTN_TRIGGER_HAPPY39 0x2e6
641#define BTN_TRIGGER_HAPPY40 0x2e7
642
600/* We avoid low common keys in module aliases so they don't get huge. */ 643/* We avoid low common keys in module aliases so they don't get huge. */
601#define KEY_MIN_INTERESTING KEY_MUTE 644#define KEY_MIN_INTERESTING KEY_MUTE
602#define KEY_MAX 0x2ff 645#define KEY_MAX 0x2ff
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 6f6c5f300af6..bc0fc795bd35 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -124,7 +124,7 @@ extern __must_check unsigned int kfifo_out_peek(struct kfifo *fifo,
124 */ 124 */
125static inline bool kfifo_initialized(struct kfifo *fifo) 125static inline bool kfifo_initialized(struct kfifo *fifo)
126{ 126{
127 return fifo->buffer != 0; 127 return fifo->buffer != NULL;
128} 128}
129 129
130/** 130/**
diff --git a/include/linux/of.h b/include/linux/of.h
index e7facd8fbce8..f6d9cbc39c9c 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -19,6 +19,11 @@
19#include <linux/bitops.h> 19#include <linux/bitops.h>
20#include <linux/kref.h> 20#include <linux/kref.h>
21#include <linux/mod_devicetable.h> 21#include <linux/mod_devicetable.h>
22#include <linux/spinlock.h>
23
24#include <asm/byteorder.h>
25
26#ifdef CONFIG_OF
22 27
23typedef u32 phandle; 28typedef u32 phandle;
24typedef u32 ihandle; 29typedef u32 ihandle;
@@ -39,10 +44,7 @@ struct of_irq_controller;
39struct device_node { 44struct device_node {
40 const char *name; 45 const char *name;
41 const char *type; 46 const char *type;
42 phandle node; 47 phandle phandle;
43#if !defined(CONFIG_SPARC)
44 phandle linux_phandle;
45#endif
46 char *full_name; 48 char *full_name;
47 49
48 struct property *properties; 50 struct property *properties;
@@ -63,6 +65,11 @@ struct device_node {
63#endif 65#endif
64}; 66};
65 67
68/* Pointer for first entry in chain of all nodes. */
69extern struct device_node *allnodes;
70extern struct device_node *of_chosen;
71extern rwlock_t devtree_lock;
72
66static inline int of_node_check_flag(struct device_node *n, unsigned long flag) 73static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
67{ 74{
68 return test_bit(flag, &n->_flags); 75 return test_bit(flag, &n->_flags);
@@ -73,12 +80,6 @@ static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
73 set_bit(flag, &n->_flags); 80 set_bit(flag, &n->_flags);
74} 81}
75 82
76static inline void
77set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
78{
79 dn->pde = de;
80}
81
82extern struct device_node *of_find_all_nodes(struct device_node *prev); 83extern struct device_node *of_find_all_nodes(struct device_node *prev);
83 84
84#if defined(CONFIG_SPARC) 85#if defined(CONFIG_SPARC)
@@ -101,26 +102,36 @@ extern void of_node_put(struct device_node *node);
101 */ 102 */
102 103
103/* Helper to read a big number; size is in cells (not bytes) */ 104/* Helper to read a big number; size is in cells (not bytes) */
104static inline u64 of_read_number(const u32 *cell, int size) 105static inline u64 of_read_number(const __be32 *cell, int size)
105{ 106{
106 u64 r = 0; 107 u64 r = 0;
107 while (size--) 108 while (size--)
108 r = (r << 32) | *(cell++); 109 r = (r << 32) | be32_to_cpu(*(cell++));
109 return r; 110 return r;
110} 111}
111 112
112/* Like of_read_number, but we want an unsigned long result */ 113/* Like of_read_number, but we want an unsigned long result */
113#ifdef CONFIG_PPC32 114static inline unsigned long of_read_ulong(const __be32 *cell, int size)
114static inline unsigned long of_read_ulong(const u32 *cell, int size)
115{ 115{
116 return cell[size-1]; 116 /* toss away upper bits if unsigned long is smaller than u64 */
117 return of_read_number(cell, size);
117} 118}
118#else
119#define of_read_ulong(cell, size) of_read_number(cell, size)
120#endif
121 119
122#include <asm/prom.h> 120#include <asm/prom.h>
123 121
122/* Default #address and #size cells. Allow arch asm/prom.h to override */
123#if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT)
124#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
125#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
126#endif
127
128/* Default string compare functions, Allow arch asm/prom.h to override */
129#if !defined(of_compat_cmp)
130#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
131#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
132#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
133#endif
134
124/* flag descriptions */ 135/* flag descriptions */
125#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ 136#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
126#define OF_DETACHED 2 /* node has been detached from the device tree */ 137#define OF_DETACHED 2 /* node has been detached from the device tree */
@@ -187,4 +198,19 @@ extern int of_parse_phandles_with_args(struct device_node *np,
187 const char *list_name, const char *cells_name, int index, 198 const char *list_name, const char *cells_name, int index,
188 struct device_node **out_node, const void **out_args); 199 struct device_node **out_node, const void **out_args);
189 200
201extern int of_machine_is_compatible(const char *compat);
202
203extern int prom_add_property(struct device_node* np, struct property* prop);
204extern int prom_remove_property(struct device_node *np, struct property *prop);
205extern int prom_update_property(struct device_node *np,
206 struct property *newprop,
207 struct property *oldprop);
208
209#if defined(CONFIG_OF_DYNAMIC)
210/* For updating the device tree at runtime */
211extern void of_attach_node(struct device_node *);
212extern void of_detach_node(struct device_node *);
213#endif
214
215#endif /* CONFIG_OF */
190#endif /* _LINUX_OF_H */ 216#endif /* _LINUX_OF_H */
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index 41d432b13553..a1ca92ccb0ff 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -42,45 +42,62 @@
42 * ends when size is 0 42 * ends when size is 0
43 */ 43 */
44struct boot_param_header { 44struct boot_param_header {
45 u32 magic; /* magic word OF_DT_HEADER */ 45 __be32 magic; /* magic word OF_DT_HEADER */
46 u32 totalsize; /* total size of DT block */ 46 __be32 totalsize; /* total size of DT block */
47 u32 off_dt_struct; /* offset to structure */ 47 __be32 off_dt_struct; /* offset to structure */
48 u32 off_dt_strings; /* offset to strings */ 48 __be32 off_dt_strings; /* offset to strings */
49 u32 off_mem_rsvmap; /* offset to memory reserve map */ 49 __be32 off_mem_rsvmap; /* offset to memory reserve map */
50 u32 version; /* format version */ 50 __be32 version; /* format version */
51 u32 last_comp_version; /* last compatible version */ 51 __be32 last_comp_version; /* last compatible version */
52 /* version 2 fields below */ 52 /* version 2 fields below */
53 u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ 53 __be32 boot_cpuid_phys; /* Physical CPU id we're booting on */
54 /* version 3 fields below */ 54 /* version 3 fields below */
55 u32 dt_strings_size; /* size of the DT strings block */ 55 __be32 dt_strings_size; /* size of the DT strings block */
56 /* version 17 fields below */ 56 /* version 17 fields below */
57 u32 dt_struct_size; /* size of the DT structure block */ 57 __be32 dt_struct_size; /* size of the DT structure block */
58}; 58};
59 59
60/* TBD: Temporary export of fdt globals - remove when code fully merged */
61extern int __initdata dt_root_addr_cells;
62extern int __initdata dt_root_size_cells;
63extern struct boot_param_header *initial_boot_params;
64
60/* For scanning the flat device-tree at boot time */ 65/* For scanning the flat device-tree at boot time */
61extern int __init of_scan_flat_dt(int (*it)(unsigned long node, 66extern char *find_flat_dt_string(u32 offset);
62 const char *uname, int depth, 67extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
63 void *data), 68 int depth, void *data),
64 void *data); 69 void *data);
65extern void __init *of_get_flat_dt_prop(unsigned long node, const char *name, 70extern void *of_get_flat_dt_prop(unsigned long node, const char *name,
66 unsigned long *size); 71 unsigned long *size);
67extern int __init of_flat_dt_is_compatible(unsigned long node, 72extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
68 const char *name); 73extern unsigned long of_get_flat_dt_root(void);
69extern unsigned long __init of_get_flat_dt_root(void); 74extern void early_init_dt_scan_chosen_arch(unsigned long node);
75extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
76 int depth, void *data);
77extern void early_init_dt_check_for_initrd(unsigned long node);
78extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
79 int depth, void *data);
80extern void early_init_dt_add_memory_arch(u64 base, u64 size);
81extern u64 early_init_dt_alloc_memory_arch(u64 size, u64 align);
82extern u64 dt_mem_next_cell(int s, __be32 **cellp);
83
84/*
85 * If BLK_DEV_INITRD, the fdt early init code will call this function,
86 * to be provided by the arch code. start and end are specified as
87 * physical addresses.
88 */
89#ifdef CONFIG_BLK_DEV_INITRD
90extern void early_init_dt_setup_initrd_arch(unsigned long start,
91 unsigned long end);
92#endif
93
94/* Early flat tree scan hooks */
95extern int early_init_dt_scan_root(unsigned long node, const char *uname,
96 int depth, void *data);
70 97
71/* Other Prototypes */ 98/* Other Prototypes */
72extern void finish_device_tree(void);
73extern void unflatten_device_tree(void); 99extern void unflatten_device_tree(void);
74extern void early_init_devtree(void *); 100extern void early_init_devtree(void *);
75extern int machine_is_compatible(const char *compat);
76extern void print_properties(struct device_node *node);
77extern int prom_n_intr_cells(struct device_node* np);
78extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
79extern int prom_add_property(struct device_node* np, struct property* prop);
80extern int prom_remove_property(struct device_node *np, struct property *prop);
81extern int prom_update_property(struct device_node *np,
82 struct property *newprop,
83 struct property *oldprop);
84 101
85#endif /* __ASSEMBLY__ */ 102#endif /* __ASSEMBLY__ */
86#endif /* _LINUX_OF_FDT_H */ 103#endif /* _LINUX_OF_FDT_H */
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
index 51b3e771a9a3..cc813f95a2f2 100644
--- a/include/linux/spi/dw_spi.h
+++ b/include/linux/spi/dw_spi.h
@@ -90,6 +90,7 @@ struct dw_spi {
90 unsigned long paddr; 90 unsigned long paddr;
91 u32 iolen; 91 u32 iolen;
92 int irq; 92 int irq;
93 u32 fifo_len; /* depth of the FIFO buffer */
93 u32 max_freq; /* max bus freq supported */ 94 u32 max_freq; /* max bus freq supported */
94 95
95 u16 bus_num; 96 u16 bus_num;
@@ -171,6 +172,10 @@ static inline void spi_chip_sel(struct dw_spi *dws, u16 cs)
171{ 172{
172 if (cs > dws->num_cs) 173 if (cs > dws->num_cs)
173 return; 174 return;
175
176 if (dws->cs_control)
177 dws->cs_control(1);
178
174 dw_writel(dws, ser, 1 << cs); 179 dw_writel(dws, ser, 1 << cs);
175} 180}
176 181
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 057a2e010758..f508c651e53d 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -51,6 +51,9 @@ struct virtqueue {
51 * This re-enables callbacks; it returns "false" if there are pending 51 * This re-enables callbacks; it returns "false" if there are pending
52 * buffers in the queue, to detect a possible race between the driver 52 * buffers in the queue, to detect a possible race between the driver
53 * checking for more work, and enabling callbacks. 53 * checking for more work, and enabling callbacks.
54 * @detach_unused_buf: detach first unused buffer
55 * vq: the struct virtqueue we're talking about.
56 * Returns NULL or the "data" token handed to add_buf
54 * 57 *
55 * Locking rules are straightforward: the driver is responsible for 58 * Locking rules are straightforward: the driver is responsible for
56 * locking. No two operations may be invoked simultaneously, with the exception 59 * locking. No two operations may be invoked simultaneously, with the exception
@@ -71,6 +74,7 @@ struct virtqueue_ops {
71 74
72 void (*disable_cb)(struct virtqueue *vq); 75 void (*disable_cb)(struct virtqueue *vq);
73 bool (*enable_cb)(struct virtqueue *vq); 76 bool (*enable_cb)(struct virtqueue *vq);
77 void *(*detach_unused_buf)(struct virtqueue *vq);
74}; 78};
75 79
76/** 80/**
diff --git a/include/linux/virtio_balloon.h b/include/linux/virtio_balloon.h
index 1418f048cb34..a50ecd1b81a2 100644
--- a/include/linux/virtio_balloon.h
+++ b/include/linux/virtio_balloon.h
@@ -7,6 +7,7 @@
7 7
8/* The feature bitmap for virtio balloon */ 8/* The feature bitmap for virtio balloon */
9#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ 9#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
10#define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */
10 11
11/* Size of a PFN in the balloon interface. */ 12/* Size of a PFN in the balloon interface. */
12#define VIRTIO_BALLOON_PFN_SHIFT 12 13#define VIRTIO_BALLOON_PFN_SHIFT 12
@@ -18,4 +19,18 @@ struct virtio_balloon_config
18 /* Number of pages we've actually got in balloon. */ 19 /* Number of pages we've actually got in balloon. */
19 __le32 actual; 20 __le32 actual;
20}; 21};
22
23#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */
24#define VIRTIO_BALLOON_S_SWAP_OUT 1 /* Amount of memory swapped out */
25#define VIRTIO_BALLOON_S_MAJFLT 2 /* Number of major faults */
26#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */
27#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */
28#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
29#define VIRTIO_BALLOON_S_NR 6
30
31struct virtio_balloon_stat {
32 u16 tag;
33 u64 val;
34} __attribute__((packed));
35
21#endif /* _LINUX_VIRTIO_BALLOON_H */ 36#endif /* _LINUX_VIRTIO_BALLOON_H */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index fd294c56d571..e52029e98919 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -15,6 +15,7 @@
15#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/ 15#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/
16#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ 16#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
17#define VIRTIO_BLK_F_FLUSH 9 /* Cache flush command support */ 17#define VIRTIO_BLK_F_FLUSH 9 /* Cache flush command support */
18#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */
18 19
19struct virtio_blk_config { 20struct virtio_blk_config {
20 /* The capacity (in 512-byte sectors). */ 21 /* The capacity (in 512-byte sectors). */
@@ -29,8 +30,20 @@ struct virtio_blk_config {
29 __u8 heads; 30 __u8 heads;
30 __u8 sectors; 31 __u8 sectors;
31 } geometry; 32 } geometry;
33
32 /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */ 34 /* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */
33 __u32 blk_size; 35 __u32 blk_size;
36
37 /* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY */
38 /* exponent for physical block per logical block. */
39 __u8 physical_block_exp;
40 /* alignment offset in logical blocks. */
41 __u8 alignment_offset;
42 /* minimum I/O size without performance penalty in logical blocks. */
43 __u16 min_io_size;
44 /* optimal sustained I/O size in logical blocks. */
45 __u32 opt_io_size;
46
34} __attribute__((packed)); 47} __attribute__((packed));
35 48
36/* 49/*
diff --git a/include/linux/virtio_console.h b/include/linux/virtio_console.h
index fe885174cc1f..ae4f039515b4 100644
--- a/include/linux/virtio_console.h
+++ b/include/linux/virtio_console.h
@@ -3,19 +3,45 @@
3#include <linux/types.h> 3#include <linux/types.h>
4#include <linux/virtio_ids.h> 4#include <linux/virtio_ids.h>
5#include <linux/virtio_config.h> 5#include <linux/virtio_config.h>
6/* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so 6/*
7 * anyone can use the definitions to implement compatible drivers/servers. */ 7 * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
8 * anyone can use the definitions to implement compatible drivers/servers.
9 *
10 * Copyright (C) Red Hat, Inc., 2009, 2010
11 */
8 12
9/* Feature bits */ 13/* Feature bits */
10#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */ 14#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
15#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
11 16
12struct virtio_console_config { 17struct virtio_console_config {
13 /* colums of the screens */ 18 /* colums of the screens */
14 __u16 cols; 19 __u16 cols;
15 /* rows of the screens */ 20 /* rows of the screens */
16 __u16 rows; 21 __u16 rows;
22 /* max. number of ports this device can hold */
23 __u32 max_nr_ports;
24 /* number of ports added so far */
25 __u32 nr_ports;
17} __attribute__((packed)); 26} __attribute__((packed));
18 27
28/*
29 * A message that's passed between the Host and the Guest for a
30 * particular port.
31 */
32struct virtio_console_control {
33 __u32 id; /* Port number */
34 __u16 event; /* The kind of control event (see below) */
35 __u16 value; /* Extra information for the key */
36};
37
38/* Some events for control messages */
39#define VIRTIO_CONSOLE_PORT_READY 0
40#define VIRTIO_CONSOLE_CONSOLE_PORT 1
41#define VIRTIO_CONSOLE_RESIZE 2
42#define VIRTIO_CONSOLE_PORT_OPEN 3
43#define VIRTIO_CONSOLE_PORT_NAME 4
44#define VIRTIO_CONSOLE_PORT_REMOVE 5
19 45
20#ifdef __KERNEL__ 46#ifdef __KERNEL__
21int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int)); 47int __init virtio_cons_early_init(int (*put_chars)(u32, const char *, int));