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authorJag Raman <jag.raman@oracle.com>2017-06-09 19:29:28 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-11 00:10:54 +0300
commit85762a65c1106daa0930bc2ed0d7792511647168 (patch)
treeac67d12eade283effe9f871c6866d05dfc9f1a52 /arch/sparc/include/asm/ldc.h
parent95c4629d92d15d10e5f7c55bfb72583f96a91374 (diff)
downloadlinux-85762a65c1106daa0930bc2ed0d7792511647168.tar.xz
sparc64: expand LDC interface
Add the following LDC APIs which are planned to be used by LDC clients in the future: - ldc_set_state: Sets given LDC channel to given state - ldc_mode: Returns the mode of given LDC channel - ldc_print: Prints info about given LDC channel - ldc_rx_reset: Reset the RX queue of given LDC channel Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Aaron Young <aaron.young@oracle.com> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Reviewed-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/ldc.h')
-rw-r--r--arch/sparc/include/asm/ldc.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h
index 6e9004aa6f25..698738a10414 100644
--- a/arch/sparc/include/asm/ldc.h
+++ b/arch/sparc/include/asm/ldc.h
@@ -48,6 +48,8 @@ struct ldc_channel_config {
#define LDC_STATE_READY 0x03
#define LDC_STATE_CONNECTED 0x04
+#define LDC_PACKET_SIZE 64
+
struct ldc_channel;
/* Allocate state for a channel. */
@@ -72,6 +74,12 @@ int ldc_connect(struct ldc_channel *lp);
int ldc_disconnect(struct ldc_channel *lp);
int ldc_state(struct ldc_channel *lp);
+void ldc_set_state(struct ldc_channel *lp, u8 state);
+int ldc_mode(struct ldc_channel *lp);
+void __ldc_print(struct ldc_channel *lp, const char *caller);
+int ldc_rx_reset(struct ldc_channel *lp);
+
+#define ldc_print(chan) __ldc_print(chan, __func__)
/* Read and write operations. Only valid when the link is up. */
int ldc_write(struct ldc_channel *lp, const void *buf,