diff options
Diffstat (limited to 'drivers/scsi/fnic/fnic_io.h')
| -rw-r--r-- | drivers/scsi/fnic/fnic_io.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_io.h b/drivers/scsi/fnic/fnic_io.h new file mode 100644 index 000000000..e0bc659ed --- /dev/null +++ b/drivers/scsi/fnic/fnic_io.h @@ -0,0 +1,78 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef _FNIC_IO_H_ +#define _FNIC_IO_H_ + +#include <scsi/fc/fc_fcp.h> + +#define FNIC_DFLT_SG_DESC_CNT 32 +#define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */ +#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */ + +struct host_sg_desc { + __le64 addr; + __le32 len; + u32 _resvd; +}; + +struct fnic_dflt_sgl_list { + struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT]; +}; + +struct fnic_sgl_list { + struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT]; +}; + +enum fnic_sgl_list_type { + FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */ + FNIC_SGL_CACHE_MAX, /* cache with max size sgl */ + FNIC_SGL_NUM_CACHES /* number of sgl caches */ +}; + +enum fnic_ioreq_state { + FNIC_IOREQ_NOT_INITED = 0, + FNIC_IOREQ_CMD_PENDING, + FNIC_IOREQ_ABTS_PENDING, + FNIC_IOREQ_ABTS_COMPLETE, + FNIC_IOREQ_CMD_COMPLETE, +}; + +struct fnic_io_req { + struct host_sg_desc *sgl_list; /* sgl list */ + void *sgl_list_alloc; /* sgl list address used for free */ + dma_addr_t sense_buf_pa; /* dma address for sense buffer*/ + dma_addr_t sgl_list_pa; /* dma address for sgl list */ + u16 sgl_cnt; + u8 sgl_type; /* device DMA descriptor list type */ + u8 io_completed:1; /* set to 1 when fw completes IO */ + u32 port_id; /* remote port DID */ + unsigned long start_time; /* in jiffies */ + struct completion *abts_done; /* completion for abts */ + struct completion *dr_done; /* completion for device reset */ +}; + +enum fnic_port_speeds { + DCEM_PORTSPEED_NONE = 0, + DCEM_PORTSPEED_1G = 1000, + DCEM_PORTSPEED_10G = 10000, + DCEM_PORTSPEED_40G = 40000, + DCEM_PORTSPEED_4x10G = 41000, + DCEM_PORTSPEED_25G = 25000, + DCEM_PORTSPEED_100G = 100000, +}; +#endif /* _FNIC_IO_H_ */ |