diff options
| author | Shai Malin <smalin@marvell.com> | 2021-06-02 20:16:50 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-06-03 14:04:17 -0700 |
| commit | 897e87a10c35fb37a20886af6f731748d92c1836 (patch) | |
| tree | 9185c43395e4f09fe4311c3bf6bfc02d469f9166 /include/linux/qed/nvmetcp_common.h | |
| parent | 1bd4f5716fc3bb4882033fbeeb97472503f1c7e2 (diff) | |
qed: Add NVMeTCP Offload PF Level FW and HW HSI
This patch introduces the NVMeTCP device and PF level HSI and HSI
functionality in order to initialize and interact with the HW device.
The patch also adds qed NVMeTCP personality.
This patch is based on the qede, qedr, qedi, qedf drivers HSI.
Acked-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Dean Balandin <dbalandin@marvell.com>
Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com>
Signed-off-by: Omkar Kulkarni <okulkarni@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/qed/nvmetcp_common.h')
| -rw-r--r-- | include/linux/qed/nvmetcp_common.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/linux/qed/nvmetcp_common.h b/include/linux/qed/nvmetcp_common.h new file mode 100644 index 000000000000..e9ccfc07041d --- /dev/null +++ b/include/linux/qed/nvmetcp_common.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* Copyright 2021 Marvell. All rights reserved. */ + +#ifndef __NVMETCP_COMMON__ +#define __NVMETCP_COMMON__ + +#include "tcp_common.h" + +/* NVMeTCP firmware function init parameters */ +struct nvmetcp_spe_func_init { + __le16 half_way_close_timeout; + u8 num_sq_pages_in_ring; + u8 num_r2tq_pages_in_ring; + u8 num_uhq_pages_in_ring; + u8 ll2_rx_queue_id; + u8 flags; +#define NVMETCP_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 +#define NVMETCP_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 +#define NVMETCP_SPE_FUNC_INIT_NVMETCP_MODE_MASK 0x1 +#define NVMETCP_SPE_FUNC_INIT_NVMETCP_MODE_SHIFT 1 +#define NVMETCP_SPE_FUNC_INIT_RESERVED0_MASK 0x3F +#define NVMETCP_SPE_FUNC_INIT_RESERVED0_SHIFT 2 + u8 debug_flags; + __le16 reserved1; + u8 params; +#define NVMETCP_SPE_FUNC_INIT_MAX_SYN_RT_MASK 0xF +#define NVMETCP_SPE_FUNC_INIT_MAX_SYN_RT_SHIFT 0 +#define NVMETCP_SPE_FUNC_INIT_RESERVED1_MASK 0xF +#define NVMETCP_SPE_FUNC_INIT_RESERVED1_SHIFT 4 + u8 reserved2[5]; + struct scsi_init_func_params func_params; + struct scsi_init_func_queues q_params; +}; + +/* NVMeTCP init params passed by driver to FW in NVMeTCP init ramrod. */ +struct nvmetcp_init_ramrod_params { + struct nvmetcp_spe_func_init nvmetcp_init_spe; + struct tcp_init_params tcp_init; +}; + +/* NVMeTCP Ramrod Command IDs */ +enum nvmetcp_ramrod_cmd_id { + NVMETCP_RAMROD_CMD_ID_UNUSED = 0, + NVMETCP_RAMROD_CMD_ID_INIT_FUNC = 1, + NVMETCP_RAMROD_CMD_ID_DESTROY_FUNC = 2, + MAX_NVMETCP_RAMROD_CMD_ID +}; + +struct nvmetcp_glbl_queue_entry { + struct regpair cq_pbl_addr; + struct regpair reserved; +}; + +#endif /* __NVMETCP_COMMON__ */ |