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net/smc: introduce System Enterprise ID (SEID)

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SMCD version 2 defines a System Enterprise ID (short SEID).
This patch contains the SEID creation and adds the callback to
retrieve the created SEID.

Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun
2020-09-26 12:44:24 +02:00
committed by David S. Miller
parent 3fc6493761
commit 201091ebb2
6 changed files with 73 additions and 2 deletions
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7
net/smc/smc_ism.h
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@@ -19,7 +19,10 @@ struct smcd_dev_list { /* List of SMCD devices */
struct mutex mutex; /* Protects list of devices */
};
extern struct smcd_dev_list smcd_dev_list; /* list of smcd devices */
extern struct smcd_dev_list smcd_dev_list; /* list of smcd devices */
extern bool smc_ism_v2_capable; /* HW supports ISM V2 and thus
* System EID is defined
*/
struct smc_ism_vlanid { /* VLAN id set on ISM device */
struct list_head list;
@@ -47,4 +50,6 @@ int smc_ism_unregister_dmb(struct smcd_dev *dev, struct smc_buf_desc *dmb_desc);
int smc_ism_write(struct smcd_dev *dev, const struct smc_ism_position *pos,
void *data, size_t len);
int smc_ism_signal_shutdown(struct smc_link_group *lgr);
void smc_ism_get_system_eid(struct smcd_dev *dev, u8 **eid);
void smc_ism_init(void);
#endif