Commit | Line | Data |
---|---|---|
5df6d737 AJ |
1 | /* |
2 | * Copyright 2008 Cisco Systems, Inc. All rights reserved. | |
3 | * Copyright 2007 Nuova Systems, Inc. All rights reserved. | |
4 | * | |
5 | * This program is free software; you may redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; version 2 of the License. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
10 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
11 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
12 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
13 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
15 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
16 | * SOFTWARE. | |
17 | */ | |
18 | #ifndef _FNIC_IO_H_ | |
19 | #define _FNIC_IO_H_ | |
20 | ||
21 | #include <scsi/fc/fc_fcp.h> | |
22 | ||
23 | #define FNIC_DFLT_SG_DESC_CNT 32 | |
cfe16d5d | 24 | #define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */ |
5df6d737 AJ |
25 | #define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */ |
26 | ||
27 | struct host_sg_desc { | |
28 | __le64 addr; | |
29 | __le32 len; | |
30 | u32 _resvd; | |
31 | }; | |
32 | ||
33 | struct fnic_dflt_sgl_list { | |
34 | struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT]; | |
35 | }; | |
36 | ||
37 | struct fnic_sgl_list { | |
38 | struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT]; | |
39 | }; | |
40 | ||
41 | enum fnic_sgl_list_type { | |
42 | FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */ | |
43 | FNIC_SGL_CACHE_MAX, /* cache with max size sgl */ | |
44 | FNIC_SGL_NUM_CACHES /* number of sgl caches */ | |
45 | }; | |
46 | ||
47 | enum fnic_ioreq_state { | |
14eb5d90 HP |
48 | FNIC_IOREQ_NOT_INITED = 0, |
49 | FNIC_IOREQ_CMD_PENDING, | |
5df6d737 AJ |
50 | FNIC_IOREQ_ABTS_PENDING, |
51 | FNIC_IOREQ_ABTS_COMPLETE, | |
52 | FNIC_IOREQ_CMD_COMPLETE, | |
53 | }; | |
54 | ||
55 | struct fnic_io_req { | |
56 | struct host_sg_desc *sgl_list; /* sgl list */ | |
57 | void *sgl_list_alloc; /* sgl list address used for free */ | |
58 | dma_addr_t sense_buf_pa; /* dma address for sense buffer*/ | |
59 | dma_addr_t sgl_list_pa; /* dma address for sgl list */ | |
60 | u16 sgl_cnt; | |
61 | u8 sgl_type; /* device DMA descriptor list type */ | |
62 | u8 io_completed:1; /* set to 1 when fw completes IO */ | |
63 | u32 port_id; /* remote port DID */ | |
14eb5d90 | 64 | unsigned long start_time; /* in jiffies */ |
5df6d737 AJ |
65 | struct completion *abts_done; /* completion for abts */ |
66 | struct completion *dr_done; /* completion for device reset */ | |
67 | }; | |
68 | ||
69 | #endif /* _FNIC_IO_H_ */ |