fnic_res.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
  4 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
  5 */
  6#ifndef _FNIC_RES_H_
  7#define _FNIC_RES_H_
  8
  9#include "wq_enet_desc.h"
 10#include "rq_enet_desc.h"
 11#include "vnic_wq.h"
 12#include "vnic_rq.h"
 13#include "fnic_io.h"
 14#include "fcpio.h"
 15#include "vnic_wq_copy.h"
 16#include "vnic_cq_copy.h"
 17
 18static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
 19				      void *os_buf, dma_addr_t dma_addr,
 20				      unsigned int len, unsigned int fc_eof,
 21				      int vlan_tag_insert,
 22				      unsigned int vlan_tag,
 23				      int cq_entry, int sop, int eop)
 24{
 25	struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
 26
 27	wq_enet_desc_enc(desc,
 28			 (u64)dma_addr | VNIC_PADDR_TARGET,
 29			 (u16)len,
 30			 0, /* mss_or_csum_offset */
 31			 (u16)fc_eof,
 32			 0, /* offload_mode */
 33			 (u8)eop, (u8)cq_entry,
 34			 1, /* fcoe_encap */
 35			 (u8)vlan_tag_insert,
 36			 (u16)vlan_tag,
 37			 0 /* loopback */);
 38
 39	vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
 40}
 41
 42static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq,
 43				      void *os_buf, dma_addr_t dma_addr,
 44				      unsigned int len,
 45				      int vlan_tag_insert,
 46				      unsigned int vlan_tag,
 47				      int cq_entry)
 48{
 49	struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
 50
 51	wq_enet_desc_enc(desc,
 52			 (u64)dma_addr | VNIC_PADDR_TARGET,
 53			 (u16)len,
 54			 0, /* mss_or_csum_offset */
 55			 0, /* fc_eof */
 56			 0, /* offload_mode */
 57			 1, /* eop */
 58			 (u8)cq_entry,
 59			 0, /* fcoe_encap */
 60			 (u8)vlan_tag_insert,
 61			 (u16)vlan_tag,
 62			 0 /* loopback */);
 63
 64	vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
 65}
 66
 67static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
 68						    u32 req_id,
 69						    u32 lunmap_id, u8 spl_flags,
 70						    u32 sgl_cnt, u32 sense_len,
 71						    u64 sgl_addr, u64 sns_addr,
 72						    u8 crn, u8 pri_ta,
 73						    u8 flags, u8 *scsi_cdb,
 74						    u8 cdb_len,
 75						    u32 data_len, u8 *lun,
 76						    u32 d_id, u16 mss,
 77						    u32 ratov, u32 edtov)
 78{
 79	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
 80
 81	desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
 82	desc->hdr.status = 0;            /* header status entry */
 83	desc->hdr._resvd = 0;            /* reserved */
 84	desc->hdr.tag.u.req_id = req_id; /* id for this request */
 85
 86	desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
 87	desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
 88	desc->u.icmnd_16._resvd0[0] = 0;        /* reserved */
 89	desc->u.icmnd_16._resvd0[1] = 0;        /* reserved */
 90	desc->u.icmnd_16._resvd0[2] = 0;        /* reserved */
 91	desc->u.icmnd_16.sgl_cnt = sgl_cnt;     /* scatter-gather list count */
 92	desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
 93	desc->u.icmnd_16.sgl_addr = sgl_addr;   /* scatter-gather list addr */
 94	desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
 95	desc->u.icmnd_16.crn = crn;             /* SCSI Command Reference No.*/
 96	desc->u.icmnd_16.pri_ta = pri_ta; 	/* SCSI Pri & Task attribute */
 97	desc->u.icmnd_16._resvd1 = 0;           /* reserved: should be 0 */
 98	desc->u.icmnd_16.flags = flags;         /* command flags */
 99	memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16);
100	memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len);    /* SCSI CDB */
101	desc->u.icmnd_16.data_len = data_len;   /* length of data expected */
102	memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS);  /* LUN address */
103	desc->u.icmnd_16._resvd2 = 0;          	/* reserved */
104	hton24(desc->u.icmnd_16.d_id, d_id);	/* FC vNIC only: Target D_ID */
105	desc->u.icmnd_16.mss = mss;            	/* FC vNIC only: max burst */
106	desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
107	desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
108
109	vnic_wq_copy_post(wq);
110}
111
112static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
113						u32 req_id, u32 lunmap_id,
114						u32 tm_req, u32 tm_id, u8 *lun,
115						u32 d_id, u32 r_a_tov,
116						u32 e_d_tov)
117{
118	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
119
120	desc->hdr.type = FCPIO_ITMF;     /* enum fcpio_type */
121	desc->hdr.status = 0;            /* header status entry */
122	desc->hdr._resvd = 0;            /* reserved */
123	desc->hdr.tag.u.req_id = req_id; /* id for this request */
124
125	desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
126	desc->u.itmf.tm_req = tm_req;       /* SCSI Task Management request */
127	desc->u.itmf.t_tag = tm_id;         /* tag of fcpio to be aborted */
128	desc->u.itmf._resvd = 0;
129	memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS);  /* LUN address */
130	desc->u.itmf._resvd1 = 0;
131	hton24(desc->u.itmf.d_id, d_id);    /* FC vNIC only: Target D_ID */
132	desc->u.itmf.r_a_tov = r_a_tov;     /* FC vNIC only: R_A_TOV in msec */
133	desc->u.itmf.e_d_tov = e_d_tov;     /* FC vNIC only: E_D_TOV in msec */
134
135	vnic_wq_copy_post(wq);
136}
137
138static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
139						     u32 req_id, u8 format,
140						     u32 s_id, u8 *gw_mac)
141{
142	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
143
144	desc->hdr.type = FCPIO_FLOGI_REG;     /* enum fcpio_type */
145	desc->hdr.status = 0;                 /* header status entry */
146	desc->hdr._resvd = 0;                 /* reserved */
147	desc->hdr.tag.u.req_id = req_id;      /* id for this request */
148
149	desc->u.flogi_reg.format = format;
150	desc->u.flogi_reg._resvd = 0;
151	hton24(desc->u.flogi_reg.s_id, s_id);
152	memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
153
154	vnic_wq_copy_post(wq);
155}
156
157static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq,
158						   u32 req_id, u32 s_id,
159						   u8 *fcf_mac, u8 *ha_mac,
160						   u32 r_a_tov, u32 e_d_tov)
161{
162	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
163
164	desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */
165	desc->hdr.status = 0;                 /* header status entry */
166	desc->hdr._resvd = 0;                 /* reserved */
167	desc->hdr.tag.u.req_id = req_id;      /* id for this request */
168
169	desc->u.flogi_fip_reg._resvd0 = 0;
170	hton24(desc->u.flogi_fip_reg.s_id, s_id);
171	memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN);
172	desc->u.flogi_fip_reg._resvd1 = 0;
173	desc->u.flogi_fip_reg.r_a_tov = r_a_tov;
174	desc->u.flogi_fip_reg.e_d_tov = e_d_tov;
175	memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN);
176	desc->u.flogi_fip_reg._resvd2 = 0;
177
178	vnic_wq_copy_post(wq);
179}
180
181static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
182						    u32 req_id)
183{
184	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
185
186	desc->hdr.type = FCPIO_RESET;     /* enum fcpio_type */
187	desc->hdr.status = 0;             /* header status entry */
188	desc->hdr._resvd = 0;             /* reserved */
189	desc->hdr.tag.u.req_id = req_id;  /* id for this request */
190
191	vnic_wq_copy_post(wq);
192}
193
194static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
195						  u32 req_id, u64 lunmap_addr,
196						  u32 lunmap_len)
197{
198	struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
199
200	desc->hdr.type = FCPIO_LUNMAP_REQ;	/* enum fcpio_type */
201	desc->hdr.status = 0;			/* header status entry */
202	desc->hdr._resvd = 0;			/* reserved */
203	desc->hdr.tag.u.req_id = req_id;	/* id for this request */
204
205	desc->u.lunmap_req.addr = lunmap_addr;	/* address of the buffer */
206	desc->u.lunmap_req.len = lunmap_len;	/* len of the buffer */
207
208	vnic_wq_copy_post(wq);
209}
210
211static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
212				      void *os_buf, dma_addr_t dma_addr,
213				      u16 len)
214{
215	struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
216
217	rq_enet_desc_enc(desc,
218		(u64)dma_addr | VNIC_PADDR_TARGET,
219		RQ_ENET_TYPE_ONLY_SOP,
220		(u16)len);
221
222	vnic_rq_post(rq, os_buf, 0, dma_addr, len);
223}
224
225
226struct fnic;
227
228int fnic_get_vnic_config(struct fnic *);
229int fnic_alloc_vnic_resources(struct fnic *);
230void fnic_free_vnic_resources(struct fnic *);
231void fnic_get_res_counts(struct fnic *);
232int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
233			u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
234			u8 rss_enable, u8 tso_ipid_split_en,
235			u8 ig_vlan_strip_en);
236
237#endif /* _FNIC_RES_H_ */