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author | Jiri Kosina <jkosina@suse.cz> | 2010-12-22 18:57:02 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-12-22 18:57:02 +0100 |
commit | 4b7bd364700d9ac8372eff48832062b936d0793b (patch) | |
tree | 0dbf78c95456a0b02d07fcd473281f04a87e266d /include/scsi | |
parent | anon_inodes: fix wrong function name in comment (diff) | |
parent | Linux 2.6.37-rc7 (diff) | |
download | linux-4b7bd364700d9ac8372eff48832062b936d0793b.tar.xz linux-4b7bd364700d9ac8372eff48832062b936d0793b.zip |
Merge branch 'master' into for-next
Conflicts:
MAINTAINERS
arch/arm/mach-omap2/pm24xx.c
drivers/scsi/bfa/bfa_fcpim.c
Needed to update to apply fixes for which the old branch was too
outdated.
Diffstat (limited to 'include/scsi')
-rw-r--r-- | include/scsi/libfc.h | 5 | ||||
-rw-r--r-- | include/scsi/libiscsi.h | 3 | ||||
-rw-r--r-- | include/scsi/libsas.h | 3 | ||||
-rw-r--r-- | include/scsi/osd_initiator.h | 16 | ||||
-rw-r--r-- | include/scsi/osd_protocol.h | 42 | ||||
-rw-r--r-- | include/scsi/osd_types.h | 5 | ||||
-rw-r--r-- | include/scsi/scsi_host.h | 23 |
7 files changed, 87 insertions, 10 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 14be49b44e84..5c4c1678f7be 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -721,7 +721,7 @@ struct libfc_function_template { * struct fc_disc - Discovery context * @retry_count: Number of retries * @pending: 1 if discovery is pending, 0 if not - * @requesting: 1 if discovery has been requested, 0 if not + * @requested: 1 if discovery has been requested, 0 if not * @seq_count: Number of sequences used for discovery * @buf_len: Length of the discovery buffer * @disc_id: Discovery ID @@ -1006,8 +1006,7 @@ void fc_fcp_destroy(struct fc_lport *); /* * SCSI INTERACTION LAYER *****************************/ -int fc_queuecommand(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); +int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); int fc_eh_abort(struct scsi_cmnd *); int fc_eh_device_reset(struct scsi_cmnd *); int fc_eh_host_reset(struct scsi_cmnd *); diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index ae5196aae1a5..b81d969ddc67 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -341,8 +341,7 @@ extern int iscsi_eh_abort(struct scsi_cmnd *sc); extern int iscsi_eh_recover_target(struct scsi_cmnd *sc); extern int iscsi_eh_session_reset(struct scsi_cmnd *sc); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); -extern int iscsi_queuecommand(struct scsi_cmnd *sc, - void (*done)(struct scsi_cmnd *)); +extern int iscsi_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *sc); /* * iSCSI host helpers. diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 3dec1949f69c..90ce527ecf3d 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -621,8 +621,7 @@ int sas_set_phy_speed(struct sas_phy *phy, int sas_phy_enable(struct sas_phy *phy, int enabled); int sas_phy_reset(struct sas_phy *phy, int hard_reset); int sas_queue_up(struct sas_task *task); -extern int sas_queuecommand(struct scsi_cmnd *, - void (*scsi_done)(struct scsi_cmnd *)); +extern int sas_queuecommand(struct Scsi_Host * ,struct scsi_cmnd *); extern int sas_target_alloc(struct scsi_target *); extern int sas_slave_alloc(struct scsi_device *); extern int sas_slave_configure(struct scsi_device *); diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index a8f370126632..53a9e886612b 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -137,7 +137,7 @@ struct osd_request { void *buff; unsigned alloc_size; /* 0 here means: don't call kfree */ unsigned total_bytes; - } set_attr, enc_get_attr, get_attr; + } cdb_cont, set_attr, enc_get_attr, get_attr; struct _osd_io_info { struct bio *bio; @@ -448,6 +448,20 @@ void osd_req_read(struct osd_request *or, int osd_req_read_kern(struct osd_request *or, const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); +/* Scatter/Gather write/read commands */ +int osd_req_write_sg(struct osd_request *or, + const struct osd_obj_id *obj, struct bio *bio, + const struct osd_sg_entry *sglist, unsigned numentries); +int osd_req_read_sg(struct osd_request *or, + const struct osd_obj_id *obj, struct bio *bio, + const struct osd_sg_entry *sglist, unsigned numentries); +int osd_req_write_sg_kern(struct osd_request *or, + const struct osd_obj_id *obj, void **buff, + const struct osd_sg_entry *sglist, unsigned numentries); +int osd_req_read_sg_kern(struct osd_request *or, + const struct osd_obj_id *obj, void **buff, + const struct osd_sg_entry *sglist, unsigned numentries); + /* * Root/Partition/Collection/Object Attributes commands */ diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h index 685661283540..a6026da25f3e 100644 --- a/include/scsi/osd_protocol.h +++ b/include/scsi/osd_protocol.h @@ -631,4 +631,46 @@ static inline void osd_sec_set_caps(struct osd_capability_head *cap, put_unaligned_le16(bit_mask, &cap->permissions_bit_mask); } +/* osd2r05a sec 5.3: CDB continuation segment formats */ +enum osd_continuation_segment_format { + CDB_CONTINUATION_FORMAT_V2 = 0x01, +}; + +struct osd_continuation_segment_header { + u8 format; + u8 reserved1; + __be16 service_action; + __be32 reserved2; + u8 integrity_check[OSDv2_CRYPTO_KEYID_SIZE]; +} __packed; + +/* osd2r05a sec 5.4.1: CDB continuation descriptors */ +enum osd_continuation_descriptor_type { + NO_MORE_DESCRIPTORS = 0x0000, + SCATTER_GATHER_LIST = 0x0001, + QUERY_LIST = 0x0002, + USER_OBJECT = 0x0003, + COPY_USER_OBJECT_SOURCE = 0x0101, + EXTENSION_CAPABILITIES = 0xFFEE +}; + +struct osd_continuation_descriptor_header { + __be16 type; + u8 reserved; + u8 pad_length; + __be32 length; +} __packed; + + +/* osd2r05a sec 5.4.2: Scatter/gather list */ +struct osd_sg_list_entry { + __be64 offset; + __be64 len; +}; + +struct osd_sg_continuation_descriptor { + struct osd_continuation_descriptor_header hdr; + struct osd_sg_list_entry entries[]; +}; + #endif /* ndef __OSD_PROTOCOL_H__ */ diff --git a/include/scsi/osd_types.h b/include/scsi/osd_types.h index 3f5e88cc75c0..bd0be7ed4bcf 100644 --- a/include/scsi/osd_types.h +++ b/include/scsi/osd_types.h @@ -37,4 +37,9 @@ struct osd_attr { void *val_ptr; /* in network order */ }; +struct osd_sg_entry { + u64 offset; + u64 len; +}; + #endif /* ndef __OSD_TYPES_H__ */ diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index d0a6a845f204..e7e385842a38 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -127,8 +127,7 @@ struct scsi_host_template { * * STATUS: REQUIRED */ - int (* queuecommand)(struct scsi_cmnd *, - void (*done)(struct scsi_cmnd *)); + int (* queuecommand)(struct Scsi_Host *, struct scsi_cmnd *); /* * The transfer functions are used to queue a scsi command to @@ -505,6 +504,25 @@ struct scsi_host_template { }; /* + * Temporary #define for host lock push down. Can be removed when all + * drivers have been updated to take advantage of unlocked + * queuecommand. + * + */ +#define DEF_SCSI_QCMD(func_name) \ + int func_name(struct Scsi_Host *shost, struct scsi_cmnd *cmd) \ + { \ + unsigned long irq_flags; \ + int rc; \ + spin_lock_irqsave(shost->host_lock, irq_flags); \ + scsi_cmd_get_serial(shost, cmd); \ + rc = func_name##_lck (cmd, cmd->scsi_done); \ + spin_unlock_irqrestore(shost->host_lock, irq_flags); \ + return rc; \ + } + + +/* * shost state: If you alter this, you also need to alter scsi_sysfs.c * (for the ascii descriptions) and the state model enforcer: * scsi_host_set_state() @@ -752,6 +770,7 @@ extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *); extern void scsi_host_put(struct Scsi_Host *t); extern struct Scsi_Host *scsi_host_lookup(unsigned short); extern const char *scsi_host_state_name(enum scsi_host_state); +extern void scsi_cmd_get_serial(struct Scsi_Host *, struct scsi_cmnd *); extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *); |