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| author | Jag Raman <jag.raman@oracle.com> | 2017-06-09 19:29:28 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-11 00:10:54 +0300 |
| commit | 85762a65c1106daa0930bc2ed0d7792511647168 (patch) | |
| tree | ac67d12eade283effe9f871c6866d05dfc9f1a52 /arch/sparc/include/asm/ldc.h | |
| parent | 95c4629d92d15d10e5f7c55bfb72583f96a91374 (diff) | |
| download | linux-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.h | 8 |
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, |