| Message ID | 20201021092715.22669-2-njavali@marvell.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | SAN Congestion Management (SCM) statistics | expand |
> On Oct 21, 2020, at 4:27 AM, Nilesh Javali <njavali@marvell.com> wrote: > > From: Shyam Sundar <ssundar@marvell.com> > > Add Fabric Performance Impact Notification (FPIN) descriptor definition > for the following FPINs: > Delivery Notification Descriptor > Peer Congestion Notification Descriptor > Congestion Notification Descriptor > > Signed-off-by: Shyam Sundar <ssundar@marvell.com> > Signed-off-by: Nilesh Javali <njavali@marvell.com> > Reviewed-by: James Smart <james.smart@broadcom.com> > --- > include/uapi/scsi/fc/fc_els.h | 114 +++++++++++++++++++++++++++++++++- > 1 file changed, 113 insertions(+), 1 deletion(-) > > diff --git a/include/uapi/scsi/fc/fc_els.h b/include/uapi/scsi/fc/fc_els.h > index 8c704e510e39..91d4be987220 100644 > --- a/include/uapi/scsi/fc/fc_els.h > +++ b/include/uapi/scsi/fc/fc_els.h > @@ -916,7 +916,9 @@ enum fc_els_clid_ic { > ELS_CLID_IC_LIP = 8, /* receiving LIP */ > }; > > - > +/* > + * Link Integrity event types > + */ > enum fc_fpin_li_event_types { > FPIN_LI_UNKNOWN = 0x0, > FPIN_LI_LINK_FAILURE = 0x1, > @@ -943,6 +945,54 @@ enum fc_fpin_li_event_types { > { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \ > } > > +/* > + * Delivery event types > + */ > +enum fc_fpin_deli_event_types { > + FPIN_DELI_UNKNOWN = 0x0, > + FPIN_DELI_TIMEOUT = 0x1, > + FPIN_DELI_UNABLE_TO_ROUTE = 0x2, > + FPIN_DELI_DEVICE_SPEC = 0xF, > +}; > + > +/* > + * Initializer useful for decoding table. > + * Please keep this in sync with the above definitions. > + */ > +#define FC_FPIN_DELI_EVT_TYPES_INIT { \ > + { FPIN_DELI_UNKNOWN, "Unknown" }, \ > + { FPIN_DELI_TIMEOUT, "Timeout" }, \ > + { FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \ > + { FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \ > +} > + > +/* > + * Congestion event types > + */ > +enum fc_fpin_congn_event_types { > + FPIN_CONGN_CLEAR = 0x0, > + FPIN_CONGN_LOST_CREDIT = 0x1, > + FPIN_CONGN_CREDIT_STALL = 0x2, > + FPIN_CONGN_OVERSUBSCRIPTION = 0x3, > + FPIN_CONGN_DEVICE_SPEC = 0xF, > +}; > + > +/* > + * Initializer useful for decoding table. > + * Please keep this in sync with the above definitions. > + */ > +#define FC_FPIN_CONGN_EVT_TYPES_INIT { \ > + { FPIN_CONGN_CLEAR, "Clear" }, \ > + { FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \ > + { FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \ > + { FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \ > + { FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \ > +} > + > +enum fc_fpin_congn_severity_types { > + FPIN_CONGN_SEVERITY_WARNING = 0xF1, > + FPIN_CONGN_SEVERITY_ERROR = 0xF7, > +}; > > /* > * Link Integrity Notification Descriptor > @@ -974,6 +1024,68 @@ struct fc_fn_li_desc { > */ > }; > > +/* > + * Delivery Notification Descriptor > + */ > +struct fc_fn_deli_desc { > + __be32 desc_tag; /* Descriptor Tag (0x00020002) */ > + __be32 desc_len; /* Length of Descriptor (in bytes). > + * Size of descriptor excluding > + * desc_tag and desc_len fields. > + */ > + __be64 detecting_wwpn; /* Port Name that detected event */ > + __be64 attached_wwpn; /* Port Name of device attached to > + * detecting Port Name > + */ > + __be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */ > +}; > + > +/* > + * Peer Congestion Notification Descriptor > + */ > +struct fc_fn_peer_congn_desc { > + __be32 desc_tag; /* Descriptor Tag (0x00020003) */ > + __be32 desc_len; /* Length of Descriptor (in bytes). > + * Size of descriptor excluding > + * desc_tag and desc_len fields. > + */ > + __be64 detecting_wwpn; /* Port Name that detected event */ > + __be64 attached_wwpn; /* Port Name of device attached to > + * detecting Port Name > + */ > + __be16 event_type; /* see enum fc_fpin_congn_event_types */ > + __be16 event_modifier; /* Implementation specific value > + * describing the event type > + */ > + __be32 event_period; /* duration (ms) of the detected > + * congestion event > + */ > + __be32 pname_count; /* number of portname_list elements */ > + __be64 pname_list[0]; /* list of N_Port_Names accessible > + * through the attached port > + */ > +}; > + > +/* > + * Congestion Notification Descriptor > + */ > +struct fc_fn_congn_desc { > + __be32 desc_tag; /* Descriptor Tag (0x00020004) */ > + __be32 desc_len; /* Length of Descriptor (in bytes). > + * Size of descriptor excluding > + * desc_tag and desc_len fields. > + */ > + __be16 event_type; /* see enum fc_fpin_congn_event_types */ > + __be16 event_modifier; /* Implementation specific value > + * describing the event type > + */ > + __be32 event_period; /* duration (ms) of the detected > + * congestion event > + */ > + __u8 severity; /* command */ > + __u8 resv[3]; /* reserved - must be zero */ > +}; > + > /* > * ELS_FPIN - Fabric Performance Impact Notification > */ > -- > 2.19.0.rc0 > Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> -- Himanshu Madhani Oracle Linux Engineering
diff --git a/include/uapi/scsi/fc/fc_els.h b/include/uapi/scsi/fc/fc_els.h index 8c704e510e39..91d4be987220 100644 --- a/include/uapi/scsi/fc/fc_els.h +++ b/include/uapi/scsi/fc/fc_els.h @@ -916,7 +916,9 @@ enum fc_els_clid_ic { ELS_CLID_IC_LIP = 8, /* receiving LIP */ }; - +/* + * Link Integrity event types + */ enum fc_fpin_li_event_types { FPIN_LI_UNKNOWN = 0x0, FPIN_LI_LINK_FAILURE = 0x1, @@ -943,6 +945,54 @@ enum fc_fpin_li_event_types { { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \ } +/* + * Delivery event types + */ +enum fc_fpin_deli_event_types { + FPIN_DELI_UNKNOWN = 0x0, + FPIN_DELI_TIMEOUT = 0x1, + FPIN_DELI_UNABLE_TO_ROUTE = 0x2, + FPIN_DELI_DEVICE_SPEC = 0xF, +}; + +/* + * Initializer useful for decoding table. + * Please keep this in sync with the above definitions. + */ +#define FC_FPIN_DELI_EVT_TYPES_INIT { \ + { FPIN_DELI_UNKNOWN, "Unknown" }, \ + { FPIN_DELI_TIMEOUT, "Timeout" }, \ + { FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \ + { FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \ +} + +/* + * Congestion event types + */ +enum fc_fpin_congn_event_types { + FPIN_CONGN_CLEAR = 0x0, + FPIN_CONGN_LOST_CREDIT = 0x1, + FPIN_CONGN_CREDIT_STALL = 0x2, + FPIN_CONGN_OVERSUBSCRIPTION = 0x3, + FPIN_CONGN_DEVICE_SPEC = 0xF, +}; + +/* + * Initializer useful for decoding table. + * Please keep this in sync with the above definitions. + */ +#define FC_FPIN_CONGN_EVT_TYPES_INIT { \ + { FPIN_CONGN_CLEAR, "Clear" }, \ + { FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \ + { FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \ + { FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \ + { FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \ +} + +enum fc_fpin_congn_severity_types { + FPIN_CONGN_SEVERITY_WARNING = 0xF1, + FPIN_CONGN_SEVERITY_ERROR = 0xF7, +}; /* * Link Integrity Notification Descriptor @@ -974,6 +1024,68 @@ struct fc_fn_li_desc { */ }; +/* + * Delivery Notification Descriptor + */ +struct fc_fn_deli_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020002) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be64 detecting_wwpn; /* Port Name that detected event */ + __be64 attached_wwpn; /* Port Name of device attached to + * detecting Port Name + */ + __be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */ +}; + +/* + * Peer Congestion Notification Descriptor + */ +struct fc_fn_peer_congn_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020003) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be64 detecting_wwpn; /* Port Name that detected event */ + __be64 attached_wwpn; /* Port Name of device attached to + * detecting Port Name + */ + __be16 event_type; /* see enum fc_fpin_congn_event_types */ + __be16 event_modifier; /* Implementation specific value + * describing the event type + */ + __be32 event_period; /* duration (ms) of the detected + * congestion event + */ + __be32 pname_count; /* number of portname_list elements */ + __be64 pname_list[0]; /* list of N_Port_Names accessible + * through the attached port + */ +}; + +/* + * Congestion Notification Descriptor + */ +struct fc_fn_congn_desc { + __be32 desc_tag; /* Descriptor Tag (0x00020004) */ + __be32 desc_len; /* Length of Descriptor (in bytes). + * Size of descriptor excluding + * desc_tag and desc_len fields. + */ + __be16 event_type; /* see enum fc_fpin_congn_event_types */ + __be16 event_modifier; /* Implementation specific value + * describing the event type + */ + __be32 event_period; /* duration (ms) of the detected + * congestion event + */ + __u8 severity; /* command */ + __u8 resv[3]; /* reserved - must be zero */ +}; + /* * ELS_FPIN - Fabric Performance Impact Notification */