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Diffstat (limited to 'drivers/net/ethernet/microsoft/mana/hw_channel.h')
-rw-r--r--drivers/net/ethernet/microsoft/mana/hw_channel.h195
1 files changed, 0 insertions, 195 deletions
diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.h b/drivers/net/ethernet/microsoft/mana/hw_channel.h
deleted file mode 100644
index 6a757a6e2732..000000000000
--- a/drivers/net/ethernet/microsoft/mana/hw_channel.h
+++ /dev/null
@@ -1,195 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
-/* Copyright (c) 2021, Microsoft Corporation. */
-
-#ifndef _HW_CHANNEL_H
-#define _HW_CHANNEL_H
-
-#define DEFAULT_LOG2_THROTTLING_FOR_ERROR_EQ 4
-
-#define HW_CHANNEL_MAX_REQUEST_SIZE 0x1000
-#define HW_CHANNEL_MAX_RESPONSE_SIZE 0x1000
-
-#define HW_CHANNEL_VF_BOOTSTRAP_QUEUE_DEPTH 1
-
-#define HWC_INIT_DATA_CQID 1
-#define HWC_INIT_DATA_RQID 2
-#define HWC_INIT_DATA_SQID 3
-#define HWC_INIT_DATA_QUEUE_DEPTH 4
-#define HWC_INIT_DATA_MAX_REQUEST 5
-#define HWC_INIT_DATA_MAX_RESPONSE 6
-#define HWC_INIT_DATA_MAX_NUM_CQS 7
-#define HWC_INIT_DATA_PDID 8
-#define HWC_INIT_DATA_GPA_MKEY 9
-#define HWC_INIT_DATA_PF_DEST_RQ_ID 10
-#define HWC_INIT_DATA_PF_DEST_CQ_ID 11
-
-/* Structures labeled with "HW DATA" are exchanged with the hardware. All of
- * them are naturally aligned and hence don't need __packed.
- */
-
-union hwc_init_eq_id_db {
- u32 as_uint32;
-
- struct {
- u32 eq_id : 16;
- u32 doorbell : 16;
- };
-}; /* HW DATA */
-
-union hwc_init_type_data {
- u32 as_uint32;
-
- struct {
- u32 value : 24;
- u32 type : 8;
- };
-}; /* HW DATA */
-
-struct hwc_rx_oob {
- u32 type : 6;
- u32 eom : 1;
- u32 som : 1;
- u32 vendor_err : 8;
- u32 reserved1 : 16;
-
- u32 src_virt_wq : 24;
- u32 src_vfid : 8;
-
- u32 reserved2;
-
- union {
- u32 wqe_addr_low;
- u32 wqe_offset;
- };
-
- u32 wqe_addr_high;
-
- u32 client_data_unit : 14;
- u32 reserved3 : 18;
-
- u32 tx_oob_data_size;
-
- u32 chunk_offset : 21;
- u32 reserved4 : 11;
-}; /* HW DATA */
-
-struct hwc_tx_oob {
- u32 reserved1;
-
- u32 reserved2;
-
- u32 vrq_id : 24;
- u32 dest_vfid : 8;
-
- u32 vrcq_id : 24;
- u32 reserved3 : 8;
-
- u32 vscq_id : 24;
- u32 loopback : 1;
- u32 lso_override: 1;
- u32 dest_pf : 1;
- u32 reserved4 : 5;
-
- u32 vsq_id : 24;
- u32 reserved5 : 8;
-}; /* HW DATA */
-
-struct hwc_work_request {
- void *buf_va;
- void *buf_sge_addr;
- u32 buf_len;
- u32 msg_size;
-
- struct gdma_wqe_request wqe_req;
- struct hwc_tx_oob tx_oob;
-
- struct gdma_sge sge;
-};
-
-/* hwc_dma_buf represents the array of in-flight WQEs.
- * mem_info as know as the GDMA mapped memory is partitioned and used by
- * in-flight WQEs.
- * The number of WQEs is determined by the number of in-flight messages.
- */
-struct hwc_dma_buf {
- struct gdma_mem_info mem_info;
-
- u32 gpa_mkey;
-
- u32 num_reqs;
- struct hwc_work_request reqs[];
-};
-
-typedef void hwc_rx_event_handler_t(void *ctx, u32 gdma_rxq_id,
- const struct hwc_rx_oob *rx_oob);
-
-typedef void hwc_tx_event_handler_t(void *ctx, u32 gdma_txq_id,
- const struct hwc_rx_oob *rx_oob);
-
-struct hwc_cq {
- struct hw_channel_context *hwc;
-
- struct gdma_queue *gdma_cq;
- struct gdma_queue *gdma_eq;
- struct gdma_comp *comp_buf;
- u16 queue_depth;
-
- hwc_rx_event_handler_t *rx_event_handler;
- void *rx_event_ctx;
-
- hwc_tx_event_handler_t *tx_event_handler;
- void *tx_event_ctx;
-};
-
-struct hwc_wq {
- struct hw_channel_context *hwc;
-
- struct gdma_queue *gdma_wq;
- struct hwc_dma_buf *msg_buf;
- u16 queue_depth;
-
- struct hwc_cq *hwc_cq;
-};
-
-struct hwc_caller_ctx {
- struct completion comp_event;
- void *output_buf;
- u32 output_buflen;
-
- u32 error; /* Linux error code */
- u32 status_code;
-};
-
-struct hw_channel_context {
- struct gdma_dev *gdma_dev;
- struct device *dev;
-
- u16 num_inflight_msg;
- u32 max_req_msg_size;
-
- u16 hwc_init_q_depth_max;
- u32 hwc_init_max_req_msg_size;
- u32 hwc_init_max_resp_msg_size;
-
- struct completion hwc_init_eqe_comp;
-
- struct hwc_wq *rxq;
- struct hwc_wq *txq;
- struct hwc_cq *cq;
-
- struct semaphore sema;
- struct gdma_resource inflight_msg_res;
-
- u32 pf_dest_vrq_id;
- u32 pf_dest_vrcq_id;
-
- struct hwc_caller_ctx *caller_ctx;
-};
-
-int mana_hwc_create_channel(struct gdma_context *gc);
-void mana_hwc_destroy_channel(struct gdma_context *gc);
-
-int mana_hwc_send_request(struct hw_channel_context *hwc, u32 req_len,
- const void *req, u32 resp_len, void *resp);
-
-#endif /* _HW_CHANNEL_H */