diff options
Diffstat (limited to 'include/scsi/scsi_cmnd.h')
-rw-r--r-- | include/scsi/scsi_cmnd.h | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 1ace1b9fe53..58e6444eebe 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h | |||
@@ -9,7 +9,6 @@ | |||
9 | struct request; | 9 | struct request; |
10 | struct scatterlist; | 10 | struct scatterlist; |
11 | struct scsi_device; | 11 | struct scsi_device; |
12 | struct scsi_request; | ||
13 | 12 | ||
14 | 13 | ||
15 | /* embedded in scsi_cmnd */ | 14 | /* embedded in scsi_cmnd */ |
@@ -29,13 +28,8 @@ struct scsi_pointer { | |||
29 | }; | 28 | }; |
30 | 29 | ||
31 | struct scsi_cmnd { | 30 | struct scsi_cmnd { |
32 | int sc_magic; | ||
33 | |||
34 | struct scsi_device *device; | 31 | struct scsi_device *device; |
35 | struct scsi_request *sc_request; | ||
36 | |||
37 | struct list_head list; /* scsi_cmnd participates in queue lists */ | 32 | struct list_head list; /* scsi_cmnd participates in queue lists */ |
38 | |||
39 | struct list_head eh_entry; /* entry for the host eh_cmd_q */ | 33 | struct list_head eh_entry; /* entry for the host eh_cmd_q */ |
40 | int eh_eflags; /* Used by error handlr */ | 34 | int eh_eflags; /* Used by error handlr */ |
41 | void (*done) (struct scsi_cmnd *); /* Mid-level done function */ | 35 | void (*done) (struct scsi_cmnd *); /* Mid-level done function */ |
@@ -64,9 +58,7 @@ struct scsi_cmnd { | |||
64 | int timeout_per_command; | 58 | int timeout_per_command; |
65 | 59 | ||
66 | unsigned char cmd_len; | 60 | unsigned char cmd_len; |
67 | unsigned char old_cmd_len; | ||
68 | enum dma_data_direction sc_data_direction; | 61 | enum dma_data_direction sc_data_direction; |
69 | enum dma_data_direction sc_old_data_direction; | ||
70 | 62 | ||
71 | /* These elements define the operation we are about to perform */ | 63 | /* These elements define the operation we are about to perform */ |
72 | #define MAX_COMMAND_SIZE 16 | 64 | #define MAX_COMMAND_SIZE 16 |
@@ -77,18 +69,11 @@ struct scsi_cmnd { | |||
77 | void *request_buffer; /* Actual requested buffer */ | 69 | void *request_buffer; /* Actual requested buffer */ |
78 | 70 | ||
79 | /* These elements define the operation we ultimately want to perform */ | 71 | /* These elements define the operation we ultimately want to perform */ |
80 | unsigned char data_cmnd[MAX_COMMAND_SIZE]; | ||
81 | unsigned short old_use_sg; /* We save use_sg here when requesting | ||
82 | * sense info */ | ||
83 | unsigned short use_sg; /* Number of pieces of scatter-gather */ | 72 | unsigned short use_sg; /* Number of pieces of scatter-gather */ |
84 | unsigned short sglist_len; /* size of malloc'd scatter-gather list */ | 73 | unsigned short sglist_len; /* size of malloc'd scatter-gather list */ |
85 | unsigned bufflen; /* Size of data buffer */ | ||
86 | void *buffer; /* Data buffer */ | ||
87 | 74 | ||
88 | unsigned underflow; /* Return error if less than | 75 | unsigned underflow; /* Return error if less than |
89 | this amount is transferred */ | 76 | this amount is transferred */ |
90 | unsigned old_underflow; /* save underflow here when reusing the | ||
91 | * command for error handling */ | ||
92 | 77 | ||
93 | unsigned transfersize; /* How much we are guaranteed to | 78 | unsigned transfersize; /* How much we are guaranteed to |
94 | transfer with each SCSI transfer | 79 | transfer with each SCSI transfer |
@@ -149,7 +134,12 @@ struct scsi_cmnd { | |||
149 | 134 | ||
150 | extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); | 135 | extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); |
151 | extern void scsi_put_command(struct scsi_cmnd *); | 136 | extern void scsi_put_command(struct scsi_cmnd *); |
152 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int); | 137 | extern void scsi_io_completion(struct scsi_cmnd *, unsigned int); |
153 | extern void scsi_finish_command(struct scsi_cmnd *cmd); | 138 | extern void scsi_finish_command(struct scsi_cmnd *cmd); |
139 | extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd); | ||
140 | |||
141 | extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count, | ||
142 | size_t *offset, size_t *len); | ||
143 | extern void scsi_kunmap_atomic_sg(void *virt); | ||
154 | 144 | ||
155 | #endif /* _SCSI_SCSI_CMND_H */ | 145 | #endif /* _SCSI_SCSI_CMND_H */ |