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| author | Robert Love <robert.w.love@intel.com> | 2012-05-23 04:06:26 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-05-23 10:43:13 +0200 |
| commit | 8d55e507d24c6db7eb012c379c62912e642eb75e (patch) | |
| tree | 5118b221cf9eab4ad040c9e1bcabb794e57dc906 /include/scsi/libfcoe.h | |
| parent | [SCSI] libfcoe: Add fcoe_sysfs (diff) | |
| download | linux-8d55e507d24c6db7eb012c379c62912e642eb75e.tar.xz linux-8d55e507d24c6db7eb012c379c62912e642eb75e.zip | |
[SCSI] fcoe, bnx2fc, libfcoe: SW FCoE and bnx2fc use FCoE Syfs
This patch has the SW FCoE driver and the bnx2fc
driver make use of the new fcoe_sysfs API added
earlier in this patch series.
After this patch a fcoe_ctlr_device is allocated with
private data in this order.
+------------------+ +------------------+
| fcoe_ctlr_device | | fcoe_ctlr_device |
+------------------+ +------------------+
| fcoe_ctlr | | fcoe_ctlr |
+------------------+ +------------------+
| fcoe_interface | | bnx2fc_interface |
+------------------+ +------------------+
libfcoe also takes part in this new model since it
discovers and manages fcoe_fcf instances. The memory
allocation is different for FCFs. I didn't want to
impact libfcoe's fcoe_fcf processing, so this patch
creates fcoe_fcf_device instances for each discovered
fcoe_fcf. The two are paired using a (void * priv)
member of the fcoe_ctlr_device. This allows libfcoe
to continue maintaining its list of fcoe_fcf instances
and simply attaches and detaches them from existing
or new fcoe_fcf_device instances.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include/scsi/libfcoe.h')
| -rw-r--r-- | include/scsi/libfcoe.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index 7b93f211b935..22b07cc99808 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -168,9 +168,16 @@ static inline void *fcoe_ctlr_priv(const struct fcoe_ctlr *ctlr) return (void *)(ctlr + 1); } +#define fcoe_ctlr_to_ctlr_dev(x) \ + (struct fcoe_ctlr_device *)(((struct fcoe_ctlr_device *)(x)) - 1) + /** * struct fcoe_fcf - Fibre-Channel Forwarder * @list: list linkage + * @event_work: Work for FC Transport actions queue + * @event: The event to be processed + * @fip: The controller that the FCF was discovered on + * @fcf_dev: The associated fcoe_fcf_device instance * @time: system time (jiffies) when an advertisement was last received * @switch_name: WWN of switch from advertisement * @fabric_name: WWN of fabric from advertisement @@ -192,6 +199,9 @@ static inline void *fcoe_ctlr_priv(const struct fcoe_ctlr *ctlr) */ struct fcoe_fcf { struct list_head list; + struct work_struct event_work; + struct fcoe_ctlr *fip; + struct fcoe_fcf_device *fcf_dev; unsigned long time; u64 switch_name; @@ -208,6 +218,9 @@ struct fcoe_fcf { u8 fd_flags:1; }; +#define fcoe_fcf_to_fcf_dev(x) \ + ((x)->fcf_dev) + /** * struct fcoe_rport - VN2VN remote port * @time: time of create or last beacon packet received from node @@ -343,6 +356,10 @@ void fcoe_queue_timer(ulong lport); int fcoe_get_paged_crc_eof(struct sk_buff *skb, int tlen, struct fcoe_percpu_s *fps); +/* FCoE Sysfs helpers */ +void fcoe_fcf_get_selected(struct fcoe_fcf_device *); +void fcoe_ctlr_get_fip_mode(struct fcoe_ctlr_device *); + /** * struct netdev_list * A mapping from netdevice to fcoe_transport |