2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
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.
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
21 #include <scsi/fc/fc_fcp.h>
23 #define FNIC_DFLT_SG_DESC_CNT 32
24 #define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */
25 #define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */
33 struct fnic_dflt_sgl_list {
34 struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];
37 struct fnic_sgl_list {
38 struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];
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 */
47 enum fnic_ioreq_state {
48 FNIC_IOREQ_NOT_INITED = 0,
49 FNIC_IOREQ_CMD_PENDING,
50 FNIC_IOREQ_ABTS_PENDING,
51 FNIC_IOREQ_ABTS_COMPLETE,
52 FNIC_IOREQ_CMD_COMPLETE,
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 */
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 */
64 unsigned long start_time; /* in jiffies */
65 struct completion *abts_done; /* completion for abts */
66 struct completion *dr_done; /* completion for device reset */
69 #endif /* _FNIC_IO_H_ */