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authorChristoph Hellwig <hch@lst.de>2006-06-10 18:01:03 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-10 16:24:40 -0500
commitbeb40487508290f5d6565598c60a3f44261beef2 (patch)
treeca63df47d8db8f1b1161b5db094b0a9c2b541d91 /include/scsi
parent1951d099dfd8fa529e86f4ac81d1a34554fbe302 (diff)
downloadop-kernel-dev-beb40487508290f5d6565598c60a3f44261beef2.zip
op-kernel-dev-beb40487508290f5d6565598c60a3f44261beef2.tar.gz
[SCSI] remove scsi_request infrastructure
With Achim patch the last user (gdth) is switched away from scsi_request so we an kill it now. Also disables some code in i2o_scsi that was broken since the sg driver stopped using scsi_requests. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_cmnd.h6
-rw-r--r--include/scsi/scsi_dbg.h2
-rw-r--r--include/scsi/scsi_eh.h3
-rw-r--r--include/scsi/scsi_request.h54
-rw-r--r--include/scsi/sg_request.h26
5 files changed, 0 insertions, 91 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 7602b9b..b0caabe 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -9,7 +9,6 @@
struct request;
struct scatterlist;
struct scsi_device;
-struct scsi_request;
/* embedded in scsi_cmnd */
@@ -29,13 +28,8 @@ struct scsi_pointer {
};
struct scsi_cmnd {
- int sc_magic;
-
struct scsi_device *device;
- struct scsi_request *sc_request;
-
struct list_head list; /* scsi_cmnd participates in queue lists */
-
struct list_head eh_entry; /* entry for the host eh_cmd_q */
int eh_eflags; /* Used by error handlr */
void (*done) (struct scsi_cmnd *); /* Mid-level done function */
diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h
index 4d69dee..3bbbfbe 100644
--- a/include/scsi/scsi_dbg.h
+++ b/include/scsi/scsi_dbg.h
@@ -2,14 +2,12 @@
#define _SCSI_SCSI_DBG_H
struct scsi_cmnd;
-struct scsi_request;
struct scsi_sense_hdr;
extern void scsi_print_command(struct scsi_cmnd *);
extern void scsi_print_sense_hdr(const char *, struct scsi_sense_hdr *);
extern void __scsi_print_command(unsigned char *);
extern void scsi_print_sense(const char *, struct scsi_cmnd *);
-extern void scsi_print_req_sense(const char *, struct scsi_request *);
extern void __scsi_print_sense(const char *name,
const unsigned char *sense_buffer,
int sense_len);
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index d160880..c5c0f67 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -3,7 +3,6 @@
struct scsi_cmnd;
struct scsi_device;
-struct scsi_request;
struct Scsi_Host;
/*
@@ -43,8 +42,6 @@ extern void scsi_report_device_reset(struct Scsi_Host *, int, int);
extern int scsi_block_when_processing_errors(struct scsi_device *);
extern int scsi_normalize_sense(const u8 *sense_buffer, int sb_len,
struct scsi_sense_hdr *sshdr);
-extern int scsi_request_normalize_sense(struct scsi_request *sreq,
- struct scsi_sense_hdr *sshdr);
extern int scsi_command_normalize_sense(struct scsi_cmnd *cmd,
struct scsi_sense_hdr *sshdr);
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
deleted file mode 100644
index 98d69fd..0000000
--- a/include/scsi/scsi_request.h
+++ /dev/null
@@ -1,54 +0,0 @@
-#ifndef _SCSI_SCSI_REQUEST_H
-#define _SCSI_SCSI_REQUEST_H
-
-#include <scsi/scsi_cmnd.h>
-
-struct request;
-struct scsi_cmnd;
-struct scsi_device;
-struct Scsi_Host;
-
-
-/*
- * This is essentially a slimmed down version of Scsi_Cmnd. The point of
- * having this is that requests that are injected into the queue as result
- * of things like ioctls and character devices shouldn't be using a
- * Scsi_Cmnd until such a time that the command is actually at the head
- * of the queue and being sent to the driver.
- */
-struct scsi_request {
- int sr_magic;
- int sr_result; /* Status code from lower level driver */
- unsigned char sr_sense_buffer[SCSI_SENSE_BUFFERSIZE]; /* obtained by REQUEST SENSE
- * when CHECK CONDITION is
- * received on original command
- * (auto-sense) */
-
- struct Scsi_Host *sr_host;
- struct scsi_device *sr_device;
- struct scsi_cmnd *sr_command;
- struct request *sr_request; /* A copy of the command we are
- working on */
- unsigned sr_bufflen; /* Size of data buffer */
- void *sr_buffer; /* Data buffer */
- int sr_allowed;
- enum dma_data_direction sr_data_direction;
- unsigned char sr_cmd_len;
- unsigned char sr_cmnd[MAX_COMMAND_SIZE];
- void (*sr_done) (struct scsi_cmnd *); /* Mid-level done function */
- int sr_timeout_per_command;
- unsigned short sr_use_sg; /* Number of pieces of scatter-gather */
- unsigned short sr_sglist_len; /* size of malloc'd scatter-gather list */
- unsigned sr_underflow; /* Return error if less than
- this amount is transferred */
- void *upper_private_data; /* reserved for owner (usually upper
- level driver) of this request */
-};
-
-extern struct scsi_request *scsi_allocate_request(struct scsi_device *, gfp_t);
-extern void scsi_release_request(struct scsi_request *);
-extern void scsi_do_req(struct scsi_request *, const void *cmnd,
- void *buffer, unsigned bufflen,
- void (*done) (struct scsi_cmnd *),
- int timeout, int retries);
-#endif /* _SCSI_SCSI_REQUEST_H */
diff --git a/include/scsi/sg_request.h b/include/scsi/sg_request.h
deleted file mode 100644
index 57ff525..0000000
--- a/include/scsi/sg_request.h
+++ /dev/null
@@ -1,26 +0,0 @@
-typedef struct scsi_request Scsi_Request;
-
-static Scsi_Request *dummy_cmdp; /* only used for sizeof */
-
-typedef struct sg_scatter_hold { /* holding area for scsi scatter gather info */
- unsigned short k_use_sg; /* Count of kernel scatter-gather pieces */
- unsigned short sglist_len; /* size of malloc'd scatter-gather list ++ */
- unsigned bufflen; /* Size of (aggregate) data buffer */
- unsigned b_malloc_len; /* actual len malloc'ed in buffer */
- void *buffer; /* Data buffer or scatter list (k_use_sg>0) */
- char dio_in_use; /* 0->indirect IO (or mmap), 1->dio */
- unsigned char cmd_opcode; /* first byte of command */
-} Sg_scatter_hold;
-
-typedef struct sg_request { /* SG_MAX_QUEUE requests outstanding per file */
- Scsi_Request *my_cmdp; /* != 0 when request with lower levels */
- struct sg_request *nextrp; /* NULL -> tail request (slist) */
- struct sg_fd *parentfp; /* NULL -> not in use */
- Sg_scatter_hold data; /* hold buffer, perhaps scatter list */
- sg_io_hdr_t header; /* scsi command+info, see <scsi/sg.h> */
- unsigned char sense_b[sizeof (dummy_cmdp->sr_sense_buffer)];
- char res_used; /* 1 -> using reserve buffer, 0 -> not ... */
- char orphan; /* 1 -> drop on sight, 0 -> normal */
- char sg_io_owned; /* 1 -> packet belongs to SG_IO */
- volatile char done; /* 0->before bh, 1->before read, 2->read */
-} Sg_request;
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