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[fc] Support Fibre Channel ECHO

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2010-11-04 02:49:07 +00:00
parent f5115f96f7
commit 90930be8fe
3 changed files with 237 additions and 103 deletions
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37
src/include/ipxe/fcels.h
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@@ -34,6 +34,7 @@ enum fc_els_command_code {
FC_ELS_FLOGI = 0x04, /**< Fabric Login */
FC_ELS_LOGO = 0x05, /**< Logout */
FC_ELS_RTV = 0x0e, /**< Read Timeout Value */
FC_ELS_ECHO = 0x10, /**< Echo */
FC_ELS_PRLI = 0x20, /**< Process Login */
FC_ELS_PRLO = 0x21, /**< Process Logout */
};
@@ -310,6 +311,14 @@ struct fc_rtv_response_frame {
/** Short R_T timeout */
#define FC_RTV_SHORT_R_T_TOV 0x0008
/** A Fibre Channel ECHO frame */
struct fc_echo_frame_header {
/** ELS command code */
uint8_t command;
/** Reserved */
uint8_t reserved[3];
} __attribute__ (( packed ));
/** A Fibre Channel extended link services transaction */
struct fc_els {
/** Reference count */
@@ -343,37 +352,21 @@ enum fc_els_flags {
struct fc_els_handler {
/** Name */
const char *name;
/** Transmit ELS request frame
/** Transmit ELS frame
*
* @v els Fibre Channel ELS transaction
* @ret rc Return status code
*/
int ( * tx_request ) ( struct fc_els *els );
/** Transmit ELS response frame
*
* @v els Fibre Channel ELS transaction
* @ret rc Return status code
*/
int ( * tx_response ) ( struct fc_els *els );
/** Receive ELS request frame
int ( * tx ) ( struct fc_els *els );
/** Receive ELS frame
*
* @v els Fibre Channel ELS transaction
* @v data ELS frame
* @v len Length of ELS frame
* @ret rc Return status code
*/
int ( * rx_request ) ( struct fc_els *els, const void *data,
size_t len );
/** Receive ELS response frame
*
* @v els Fibre Channel ELS transaction
* @v data ELS frame
* @v len Length of ELS frame
* @ret rc Return status code
*/
int ( * rx_response ) ( struct fc_els *els, const void *data,
size_t len );
/** Detect ELS request frame
int ( * rx ) ( struct fc_els *els, void *data, size_t len );
/** Detect ELS frame
*
* @v els Fibre Channel ELS transaction
* @v data ELS frame
@@ -444,7 +437,7 @@ extern int fc_els_prli_tx ( struct fc_els *els,
void *param );
extern int fc_els_prli_rx ( struct fc_els *els,
struct fc_els_prli_descriptor *descriptor,
const void *data, size_t len );
void *data, size_t len );
extern int fc_els_prli_detect ( struct fc_els *els __unused,
struct fc_els_prli_descriptor *descriptor,
const void *data, size_t len );