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-rw-r--r--drivers/scsi/fnic/fnic_res.h237
1 files changed, 237 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
new file mode 100644
index 000000000..92a2fcfd3
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -0,0 +1,237 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2007 Nuova Systems, Inc. All rights reserved.
+ */
+#ifndef _FNIC_RES_H_
+#define _FNIC_RES_H_
+
+#include "wq_enet_desc.h"
+#include "rq_enet_desc.h"
+#include "vnic_wq.h"
+#include "vnic_rq.h"
+#include "fnic_io.h"
+#include "fcpio.h"
+#include "vnic_wq_copy.h"
+#include "vnic_cq_copy.h"
+
+static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
+ void *os_buf, dma_addr_t dma_addr,
+ unsigned int len, unsigned int fc_eof,
+ int vlan_tag_insert,
+ unsigned int vlan_tag,
+ int cq_entry, int sop, int eop)
+{
+ struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+ wq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ (u16)len,
+ 0, /* mss_or_csum_offset */
+ (u16)fc_eof,
+ 0, /* offload_mode */
+ (u8)eop, (u8)cq_entry,
+ 1, /* fcoe_encap */
+ (u8)vlan_tag_insert,
+ (u16)vlan_tag,
+ 0 /* loopback */);
+
+ vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
+}
+
+static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq,
+ void *os_buf, dma_addr_t dma_addr,
+ unsigned int len,
+ int vlan_tag_insert,
+ unsigned int vlan_tag,
+ int cq_entry)
+{
+ struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
+
+ wq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ (u16)len,
+ 0, /* mss_or_csum_offset */
+ 0, /* fc_eof */
+ 0, /* offload_mode */
+ 1, /* eop */
+ (u8)cq_entry,
+ 0, /* fcoe_encap */
+ (u8)vlan_tag_insert,
+ (u16)vlan_tag,
+ 0 /* loopback */);
+
+ vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
+}
+
+static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
+ u32 req_id,
+ u32 lunmap_id, u8 spl_flags,
+ u32 sgl_cnt, u32 sense_len,
+ u64 sgl_addr, u64 sns_addr,
+ u8 crn, u8 pri_ta,
+ u8 flags, u8 *scsi_cdb,
+ u8 cdb_len,
+ u32 data_len, u8 *lun,
+ u32 d_id, u16 mss,
+ u32 ratov, u32 edtov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
+ desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
+ desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
+ desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
+ desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
+ desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
+ desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
+ desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
+ desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
+ desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
+ desc->u.icmnd_16.flags = flags; /* command flags */
+ memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16);
+ memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */
+ desc->u.icmnd_16.data_len = data_len; /* length of data expected */
+ memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.icmnd_16._resvd2 = 0; /* reserved */
+ hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
+ desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
+ desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
+ u32 req_id, u32 lunmap_id,
+ u32 tm_req, u32 tm_id, u8 *lun,
+ u32 d_id, u32 r_a_tov,
+ u32 e_d_tov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
+ desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
+ desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
+ desc->u.itmf._resvd = 0;
+ memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
+ desc->u.itmf._resvd1 = 0;
+ hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
+ desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
+ desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
+ u32 req_id, u8 format,
+ u32 s_id, u8 *gw_mac)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.flogi_reg.format = format;
+ desc->u.flogi_reg._resvd = 0;
+ hton24(desc->u.flogi_reg.s_id, s_id);
+ memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq,
+ u32 req_id, u32 s_id,
+ u8 *fcf_mac, u8 *ha_mac,
+ u32 r_a_tov, u32 e_d_tov)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.flogi_fip_reg._resvd0 = 0;
+ hton24(desc->u.flogi_fip_reg.s_id, s_id);
+ memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN);
+ desc->u.flogi_fip_reg._resvd1 = 0;
+ desc->u.flogi_fip_reg.r_a_tov = r_a_tov;
+ desc->u.flogi_fip_reg.e_d_tov = e_d_tov;
+ memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN);
+ desc->u.flogi_fip_reg._resvd2 = 0;
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
+ u32 req_id)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
+ u32 req_id, u64 lunmap_addr,
+ u32 lunmap_len)
+{
+ struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
+
+ desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
+ desc->hdr.status = 0; /* header status entry */
+ desc->hdr._resvd = 0; /* reserved */
+ desc->hdr.tag.u.req_id = req_id; /* id for this request */
+
+ desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
+ desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
+
+ vnic_wq_copy_post(wq);
+}
+
+static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
+ void *os_buf, dma_addr_t dma_addr,
+ u16 len)
+{
+ struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
+
+ rq_enet_desc_enc(desc,
+ (u64)dma_addr | VNIC_PADDR_TARGET,
+ RQ_ENET_TYPE_ONLY_SOP,
+ (u16)len);
+
+ vnic_rq_post(rq, os_buf, 0, dma_addr, len);
+}
+
+
+struct fnic;
+
+int fnic_get_vnic_config(struct fnic *);
+int fnic_alloc_vnic_resources(struct fnic *);
+void fnic_free_vnic_resources(struct fnic *);
+void fnic_get_res_counts(struct fnic *);
+int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
+ u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
+ u8 rss_enable, u8 tso_ipid_split_en,
+ u8 ig_vlan_strip_en);
+
+#endif /* _FNIC_RES_H_ */