diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_fc.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h index 231e231..12fc6eb 100644 --- a/drivers/s390/scsi/zfcp_fc.h +++ b/drivers/s390/scsi/zfcp_fc.h @@ -12,9 +12,89 @@ #include <scsi/fc/fc_els.h> #include <scsi/fc/fc_fcp.h> +#include <scsi/fc/fc_ns.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_tcq.h> +#define ZFCP_FC_CT_SIZE_PAGE (PAGE_SIZE - sizeof(struct fc_ct_hdr)) +#define ZFCP_FC_GPN_FT_ENT_PAGE (ZFCP_FC_CT_SIZE_PAGE \ + / sizeof(struct fc_gpn_ft_resp)) +#define ZFCP_FC_GPN_FT_NUM_BUFS 4 /* memory pages */ + +#define ZFCP_FC_GPN_FT_MAX_SIZE (ZFCP_FC_GPN_FT_NUM_BUFS * PAGE_SIZE \ + - sizeof(struct fc_ct_hdr)) +#define ZFCP_FC_GPN_FT_MAX_ENT (ZFCP_FC_GPN_FT_NUM_BUFS * \ + (ZFCP_FC_GPN_FT_ENT_PAGE + 1)) + +/** + * struct zfcp_fc_gid_pn_req - container for ct header plus gid_pn request + * @ct_hdr: FC GS common transport header + * @gid_pn: GID_PN request + */ +struct zfcp_fc_gid_pn_req { + struct fc_ct_hdr ct_hdr; + struct fc_ns_gid_pn gid_pn; +} __packed; + +/** + * struct zfcp_fc_gid_pn_resp - container for ct header plus gid_pn response + * @ct_hdr: FC GS common transport header + * @gid_pn: GID_PN response + */ +struct zfcp_fc_gid_pn_resp { + struct fc_ct_hdr ct_hdr; + struct fc_gid_pn_resp gid_pn; +} __packed; + +/** + * struct zfcp_fc_gid_pn - everything required in zfcp for gid_pn request + * @ct: data passed to zfcp_fsf for issuing fsf request + * @sg_req: scatterlist entry for request data + * @sg_resp: scatterlist entry for response data + * @gid_pn_req: GID_PN request data + * @gid_pn_resp: GID_PN response data + */ +struct zfcp_fc_gid_pn { + struct zfcp_send_ct ct; + struct scatterlist sg_req; + struct scatterlist sg_resp; + struct zfcp_fc_gid_pn_req gid_pn_req; + struct zfcp_fc_gid_pn_resp gid_pn_resp; + struct zfcp_port *port; +}; + +/** + * struct zfcp_fc_gpn_ft - container for ct header plus gpn_ft request + * @ct_hdr: FC GS common transport header + * @gpn_ft: GPN_FT request + */ +struct zfcp_fc_gpn_ft_req { + struct fc_ct_hdr ct_hdr; + struct fc_ns_gid_ft gpn_ft; +} __packed; + +/** + * struct zfcp_fc_gpn_ft_resp - container for ct header plus gpn_ft response + * @ct_hdr: FC GS common transport header + * @gpn_ft: Array of gpn_ft response data to fill one memory page + */ +struct zfcp_fc_gpn_ft_resp { + struct fc_ct_hdr ct_hdr; + struct fc_gpn_ft_resp gpn_ft[ZFCP_FC_GPN_FT_ENT_PAGE]; +} __packed; + +/** + * struct zfcp_fc_gpn_ft - zfcp data for gpn_ft request + * @ct: data passed to zfcp_fsf for issuing fsf request + * @sg_req: scatter list entry for gpn_ft request + * @sg_resp: scatter list entries for gpn_ft responses (per memory page) + */ +struct zfcp_fc_gpn_ft { + struct zfcp_send_ct ct; + struct scatterlist sg_req; + struct scatterlist sg_resp[ZFCP_FC_GPN_FT_NUM_BUFS]; +}; + /** * struct zfcp_fc_els_adisc - everything required in zfcp for issuing ELS ADISC * @els: data required for issuing els fsf command |
