summaryrefslogtreecommitdiff
path: root/include/asm-sparc64/ldc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sparc64/ldc.h')
-rw-r--r--include/asm-sparc64/ldc.h139
1 files changed, 1 insertions, 138 deletions
diff --git a/include/asm-sparc64/ldc.h b/include/asm-sparc64/ldc.h
index bdb524a7b814..40f3f231c457 100644
--- a/include/asm-sparc64/ldc.h
+++ b/include/asm-sparc64/ldc.h
@@ -1,138 +1 @@
-#ifndef _SPARC64_LDC_H
-#define _SPARC64_LDC_H
-
-#include <asm/hypervisor.h>
-
-extern int ldom_domaining_enabled;
-extern void ldom_set_var(const char *var, const char *value);
-extern void ldom_reboot(const char *boot_command);
-extern void ldom_power_off(void);
-
-/* The event handler will be evoked when link state changes
- * or data becomes available on the receive side.
- *
- * For non-RAW links, if the LDC_EVENT_RESET event arrives the
- * driver should reset all of it's internal state and reinvoke
- * ldc_connect() to try and bring the link up again.
- *
- * For RAW links, ldc_connect() is not used. Instead the driver
- * just waits for the LDC_EVENT_UP event.
- */
-struct ldc_channel_config {
- void (*event)(void *arg, int event);
-
- u32 mtu;
- unsigned int rx_irq;
- unsigned int tx_irq;
- u8 mode;
-#define LDC_MODE_RAW 0x00
-#define LDC_MODE_UNRELIABLE 0x01
-#define LDC_MODE_RESERVED 0x02
-#define LDC_MODE_STREAM 0x03
-
- u8 debug;
-#define LDC_DEBUG_HS 0x01
-#define LDC_DEBUG_STATE 0x02
-#define LDC_DEBUG_RX 0x04
-#define LDC_DEBUG_TX 0x08
-#define LDC_DEBUG_DATA 0x10
-};
-
-#define LDC_EVENT_RESET 0x01
-#define LDC_EVENT_UP 0x02
-#define LDC_EVENT_DATA_READY 0x04
-
-#define LDC_STATE_INVALID 0x00
-#define LDC_STATE_INIT 0x01
-#define LDC_STATE_BOUND 0x02
-#define LDC_STATE_READY 0x03
-#define LDC_STATE_CONNECTED 0x04
-
-struct ldc_channel;
-
-/* Allocate state for a channel. */
-extern struct ldc_channel *ldc_alloc(unsigned long id,
- const struct ldc_channel_config *cfgp,
- void *event_arg);
-
-/* Shut down and free state for a channel. */
-extern void ldc_free(struct ldc_channel *lp);
-
-/* Register TX and RX queues of the link with the hypervisor. */
-extern int ldc_bind(struct ldc_channel *lp, const char *name);
-
-/* For non-RAW protocols we need to complete a handshake before
- * communication can proceed. ldc_connect() does that, if the
- * handshake completes successfully, an LDC_EVENT_UP event will
- * be sent up to the driver.
- */
-extern int ldc_connect(struct ldc_channel *lp);
-extern int ldc_disconnect(struct ldc_channel *lp);
-
-extern int ldc_state(struct ldc_channel *lp);
-
-/* Read and write operations. Only valid when the link is up. */
-extern int ldc_write(struct ldc_channel *lp, const void *buf,
- unsigned int size);
-extern int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size);
-
-#define LDC_MAP_SHADOW 0x01
-#define LDC_MAP_DIRECT 0x02
-#define LDC_MAP_IO 0x04
-#define LDC_MAP_R 0x08
-#define LDC_MAP_W 0x10
-#define LDC_MAP_X 0x20
-#define LDC_MAP_RW (LDC_MAP_R | LDC_MAP_W)
-#define LDC_MAP_RWX (LDC_MAP_R | LDC_MAP_W | LDC_MAP_X)
-#define LDC_MAP_ALL 0x03f
-
-struct ldc_trans_cookie {
- u64 cookie_addr;
- u64 cookie_size;
-};
-
-struct scatterlist;
-extern int ldc_map_sg(struct ldc_channel *lp,
- struct scatterlist *sg, int num_sg,
- struct ldc_trans_cookie *cookies, int ncookies,
- unsigned int map_perm);
-
-extern int ldc_map_single(struct ldc_channel *lp,
- void *buf, unsigned int len,
- struct ldc_trans_cookie *cookies, int ncookies,
- unsigned int map_perm);
-
-extern void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies,
- int ncookies);
-
-extern int ldc_copy(struct ldc_channel *lp, int copy_dir,
- void *buf, unsigned int len, unsigned long offset,
- struct ldc_trans_cookie *cookies, int ncookies);
-
-static inline int ldc_get_dring_entry(struct ldc_channel *lp,
- void *buf, unsigned int len,
- unsigned long offset,
- struct ldc_trans_cookie *cookies,
- int ncookies)
-{
- return ldc_copy(lp, LDC_COPY_IN, buf, len, offset, cookies, ncookies);
-}
-
-static inline int ldc_put_dring_entry(struct ldc_channel *lp,
- void *buf, unsigned int len,
- unsigned long offset,
- struct ldc_trans_cookie *cookies,
- int ncookies)
-{
- return ldc_copy(lp, LDC_COPY_OUT, buf, len, offset, cookies, ncookies);
-}
-
-extern void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len,
- struct ldc_trans_cookie *cookies,
- int *ncookies, unsigned int map_perm);
-
-extern void ldc_free_exp_dring(struct ldc_channel *lp, void *buf,
- unsigned int len,
- struct ldc_trans_cookie *cookies, int ncookies);
-
-#endif /* _SPARC64_LDC_H */
+#include <asm-sparc/ldc.h>