diff options
Diffstat (limited to 'include/scsi')
-rw-r--r-- | include/scsi/fcoe_sysfs.h | 124 | ||||
-rw-r--r-- | include/scsi/iscsi_proto.h | 2 | ||||
-rw-r--r-- | include/scsi/libfcoe.h | 27 | ||||
-rw-r--r-- | include/scsi/libsas.h | 6 | ||||
-rw-r--r-- | include/scsi/sas.h | 1 | ||||
-rw-r--r-- | include/scsi/scsi_cmnd.h | 8 | ||||
-rw-r--r-- | include/scsi/scsi_device.h | 1 |
7 files changed, 166 insertions, 3 deletions
diff --git a/include/scsi/fcoe_sysfs.h b/include/scsi/fcoe_sysfs.h new file mode 100644 index 000000000000..604cb9bb3e76 --- /dev/null +++ b/include/scsi/fcoe_sysfs.h @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2011-2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Maintained at www.Open-FCoE.org + */ + +#ifndef FCOE_SYSFS +#define FCOE_SYSFS + +#include <linux/if_ether.h> +#include <linux/device.h> +#include <scsi/fc/fc_fcoe.h> + +struct fcoe_ctlr_device; +struct fcoe_fcf_device; + +struct fcoe_sysfs_function_template { + void (*get_fcoe_ctlr_link_fail)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_vlink_fail)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_miss_fka)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *); + void (*get_fcoe_ctlr_mode)(struct fcoe_ctlr_device *); + void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *); + void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *); +}; + +#define dev_to_ctlr(d) \ + container_of((d), struct fcoe_ctlr_device, dev) + +enum fip_conn_type { + FIP_CONN_TYPE_UNKNOWN, + FIP_CONN_TYPE_FABRIC, + FIP_CONN_TYPE_VN2VN, +}; + +struct fcoe_ctlr_device { + u32 id; + + struct device dev; + struct fcoe_sysfs_function_template *f; + + struct list_head fcfs; + char work_q_name[20]; + struct workqueue_struct *work_q; + char devloss_work_q_name[20]; + struct workqueue_struct *devloss_work_q; + struct mutex lock; + + int fcf_dev_loss_tmo; + enum fip_conn_type mode; + + /* expected in host order for displaying */ + struct fcoe_fc_els_lesb lesb; +}; + +static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr) +{ + return (void *)(ctlr + 1); +} + +/* fcf states */ +enum fcf_state { + FCOE_FCF_STATE_UNKNOWN, + FCOE_FCF_STATE_DISCONNECTED, + FCOE_FCF_STATE_CONNECTED, + FCOE_FCF_STATE_DELETED, +}; + +struct fcoe_fcf_device { + u32 id; + struct device dev; + struct list_head peers; + struct work_struct delete_work; + struct delayed_work dev_loss_work; + u32 dev_loss_tmo; + void *priv; + enum fcf_state state; + + u64 fabric_name; + u64 switch_name; + u32 fc_map; + u16 vfid; + u8 mac[ETH_ALEN]; + u8 priority; + u32 fka_period; + u8 selected; + u16 vlan_id; +}; + +#define dev_to_fcf(d) \ + container_of((d), struct fcoe_fcf_device, dev) +/* parentage should never be missing */ +#define fcoe_fcf_dev_to_ctlr_dev(x) \ + dev_to_ctlr((x)->dev.parent) +#define fcoe_fcf_device_priv(x) \ + ((x)->priv) + +struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, + struct fcoe_sysfs_function_template *f, + int priv_size); +void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *); +struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *, + struct fcoe_fcf_device *); +void fcoe_fcf_device_delete(struct fcoe_fcf_device *); + +int __init fcoe_sysfs_setup(void); +void __exit fcoe_sysfs_teardown(void); + +#endif /* FCOE_SYSFS */ diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h index 988ba06b3ad6..c1260d80ef30 100644 --- a/include/scsi/iscsi_proto.h +++ b/include/scsi/iscsi_proto.h @@ -661,6 +661,8 @@ struct iscsi_reject { #define ISCSI_DEF_TIME2WAIT 2 +#define ISCSI_NAME_LEN 224 + /************************* RFC 3720 End *****************************/ #endif /* ISCSI_PROTO_H */ diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index cfdb55f0937e..22b07cc99808 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -29,6 +29,7 @@ #include <linux/random.h> #include <scsi/fc/fc_fcoe.h> #include <scsi/libfc.h> +#include <scsi/fcoe_sysfs.h> #define FCOE_MAX_CMD_LEN 16 /* Supported CDB length */ @@ -159,8 +160,24 @@ struct fcoe_ctlr { }; /** + * fcoe_ctlr_priv() - Return the private data from a fcoe_ctlr + * @cltr: The fcoe_ctlr whose private data will be returned + */ +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 @@ -182,6 +199,9 @@ struct fcoe_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; @@ -198,6 +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 @@ -333,6 +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 diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index f4f1c96dca72..10ce74f589c5 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -163,6 +163,8 @@ enum ata_command_set { ATAPI_COMMAND_SET = 1, }; +#define ATA_RESP_FIS_SIZE 24 + struct sata_device { enum ata_command_set command_set; struct smp_resp rps_resp; /* report_phy_sata_resp */ @@ -171,7 +173,7 @@ struct sata_device { struct ata_port *ap; struct ata_host ata_host; - struct ata_taskfile tf; + u8 fis[ATA_RESP_FIS_SIZE]; }; enum { @@ -537,7 +539,7 @@ enum exec_status { */ struct ata_task_resp { u16 frame_len; - u8 ending_fis[24]; /* dev to host or data-in */ + u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */ }; #define SAS_STATUS_BUF_SIZE 96 diff --git a/include/scsi/sas.h b/include/scsi/sas.h index a577a833603d..be3eb0bf1ac0 100644 --- a/include/scsi/sas.h +++ b/include/scsi/sas.h @@ -103,6 +103,7 @@ enum sas_dev_type { }; enum sas_protocol { + SAS_PROTOCOL_NONE = 0, SAS_PROTOCOL_SATA = 0x01, SAS_PROTOCOL_SMP = 0x02, SAS_PROTOCOL_STP = 0x04, diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 1e1198546c72..ac06cc595890 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -134,10 +134,16 @@ struct scsi_cmnd { static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) { + struct scsi_driver **sdp; + if (!cmd->request->rq_disk) return NULL; - return *(struct scsi_driver **)cmd->request->rq_disk->private_data; + sdp = (struct scsi_driver **)cmd->request->rq_disk->private_data; + if (!sdp) + return NULL; + + return *sdp; } extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 6efb2e1416e0..ba9698852321 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -151,6 +151,7 @@ struct scsi_device { SD_LAST_BUGGY_SECTORS */ unsigned no_read_disc_info:1; /* Avoid READ_DISC_INFO cmds */ unsigned no_read_capacity_16:1; /* Avoid READ_CAPACITY_16 cmds */ + unsigned try_rc_10_first:1; /* Try READ_CAPACACITY_10 first */ unsigned is_visible:1; /* is the device visible in sysfs */ DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */ |