RDMA/irdma: Add miscellaneous utility definitions

Add miscellaneous utility functions and headers. Link: https://lore.kernel.org/r/20210602205138.889-13-shiraz.saleem@intel.comSigned-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

RDMA/irdma: Add miscellaneous utility definitions
Add miscellaneous utility functions and headers. Link: https://lore.kernel.org/r/20210602205138.889-13-shiraz.saleem@intel.comSigned-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
915cc7ac · Mustafa Ismail · Jason Gunthorpe · 551c46ed · 915cc7ac · 915cc7ac
Commit 915cc7ac authored Jun 02, 2021 by Mustafa Ismail Committed by Jason Gunthorpe Jun 02, 2021
4 changed files
--- a/drivers/infiniband/hw/irdma/osdep.h
+++ b/drivers/infiniband/hw/irdma/osdep.h
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2015 - 2021 Intel Corporation */
+#ifndef IRDMA_OSDEP_H
+#define IRDMA_OSDEP_H
+
+#include <linux/pci.h>
+#include <linux/bitfield.h>
+#include <crypto/hash.h>
+#include <rdma/ib_verbs.h>
+
+#define STATS_TIMER_DELAY	60000
+
+struct irdma_dma_info {
+	dma_addr_t *dmaaddrs;
+};
+
+struct irdma_dma_mem {
+	void *va;
+	dma_addr_t pa;
+	u32 size;
+} __packed;
+
+struct irdma_virt_mem {
+	void *va;
+	u32 size;
+} __packed;
+
+struct irdma_sc_vsi;
+struct irdma_sc_dev;
+struct irdma_sc_qp;
+struct irdma_puda_buf;
+struct irdma_puda_cmpl_info;
+struct irdma_update_sds_info;
+struct irdma_hmc_fcn_info;
+struct irdma_manage_vf_pble_info;
+struct irdma_hw;
+struct irdma_pci_f;
+
+struct ib_device *to_ibdev(struct irdma_sc_dev *dev);
+u8 __iomem *irdma_get_hw_addr(void *dev);
+void irdma_ieq_mpa_crc_ae(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp);
+enum irdma_status_code irdma_vf_wait_vchnl_resp(struct irdma_sc_dev *dev);
+bool irdma_vf_clear_to_send(struct irdma_sc_dev *dev);
+void irdma_add_dev_ref(struct irdma_sc_dev *dev);
+void irdma_put_dev_ref(struct irdma_sc_dev *dev);
+enum irdma_status_code irdma_ieq_check_mpacrc(struct shash_desc *desc,
+					      void *addr, u32 len, u32 val);
+struct irdma_sc_qp *irdma_ieq_get_qp(struct irdma_sc_dev *dev,
+				     struct irdma_puda_buf *buf);
+void irdma_send_ieq_ack(struct irdma_sc_qp *qp);
+void irdma_ieq_update_tcpip_info(struct irdma_puda_buf *buf, u16 len,
+				 u32 seqnum);
+void irdma_free_hash_desc(struct shash_desc *hash_desc);
+enum irdma_status_code irdma_init_hash_desc(struct shash_desc **hash_desc);
+enum irdma_status_code
+irdma_puda_get_tcpip_info(struct irdma_puda_cmpl_info *info,
+			  struct irdma_puda_buf *buf);
+enum irdma_status_code irdma_cqp_sds_cmd(struct irdma_sc_dev *dev,
+					 struct irdma_update_sds_info *info);
+enum irdma_status_code
+irdma_cqp_manage_hmc_fcn_cmd(struct irdma_sc_dev *dev,
+			     struct irdma_hmc_fcn_info *hmcfcninfo,
+			     u16 *pmf_idx);
+enum irdma_status_code
+irdma_cqp_query_fpm_val_cmd(struct irdma_sc_dev *dev,
+			    struct irdma_dma_mem *val_mem, u8 hmc_fn_id);
+enum irdma_status_code
+irdma_cqp_commit_fpm_val_cmd(struct irdma_sc_dev *dev,
+			     struct irdma_dma_mem *val_mem, u8 hmc_fn_id);
+enum irdma_status_code irdma_alloc_query_fpm_buf(struct irdma_sc_dev *dev,
+						 struct irdma_dma_mem *mem);
+void *irdma_remove_cqp_head(struct irdma_sc_dev *dev);
+void irdma_term_modify_qp(struct irdma_sc_qp *qp, u8 next_state, u8 term,
+			  u8 term_len);
+void irdma_terminate_done(struct irdma_sc_qp *qp, int timeout_occurred);
+void irdma_terminate_start_timer(struct irdma_sc_qp *qp);
+void irdma_terminate_del_timer(struct irdma_sc_qp *qp);
+void irdma_hw_stats_start_timer(struct irdma_sc_vsi *vsi);
+void irdma_hw_stats_stop_timer(struct irdma_sc_vsi *vsi);
+void wr32(struct irdma_hw *hw, u32 reg, u32 val);
+u32 rd32(struct irdma_hw *hw, u32 reg);
+u64 rd64(struct irdma_hw *hw, u32 reg);
+enum irdma_status_code irdma_map_vm_page_list(struct irdma_hw *hw, void *va,
+					      dma_addr_t *pg_dma, u32 pg_cnt);
+void irdma_unmap_vm_page_list(struct irdma_hw *hw, dma_addr_t *pg_dma, u32 pg_cnt);
+#endif /* IRDMA_OSDEP_H */
--- a/drivers/infiniband/hw/irdma/protos.h
+++ b/drivers/infiniband/hw/irdma/protos.h
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2016 - 2021 Intel Corporation */
+#ifndef IRDMA_PROTOS_H
+#define IRDMA_PROTOS_H
+
+#define PAUSE_TIMER_VAL		0xffff
+#define REFRESH_THRESHOLD	0x7fff
+#define HIGH_THRESHOLD		0x800
+#define LOW_THRESHOLD		0x200
+#define ALL_TC2PFC		0xff
+#define CQP_COMPL_WAIT_TIME_MS	10
+#define CQP_TIMEOUT_THRESHOLD	500
+
+/* init operations */
+enum irdma_status_code irdma_sc_dev_init(enum irdma_vers ver,
+					 struct irdma_sc_dev *dev,
+					 struct irdma_device_init_info *info);
+void irdma_sc_rt_init(struct irdma_sc_dev *dev);
+void irdma_sc_cqp_post_sq(struct irdma_sc_cqp *cqp);
+__le64 *irdma_sc_cqp_get_next_send_wqe(struct irdma_sc_cqp *cqp, u64 scratch);
+enum irdma_status_code
+irdma_sc_mr_fast_register(struct irdma_sc_qp *qp,
+			  struct irdma_fast_reg_stag_info *info, bool post_sq);
+/* HMC/FPM functions */
+enum irdma_status_code irdma_sc_init_iw_hmc(struct irdma_sc_dev *dev,
+					    u8 hmc_fn_id);
+/* stats misc */
+enum irdma_status_code
+irdma_cqp_gather_stats_cmd(struct irdma_sc_dev *dev,
+			   struct irdma_vsi_pestat *pestat, bool wait);
+void irdma_cqp_gather_stats_gen1(struct irdma_sc_dev *dev,
+				 struct irdma_vsi_pestat *pestat);
+void irdma_hw_stats_read_all(struct irdma_vsi_pestat *stats,
+			     struct irdma_dev_hw_stats *stats_values,
+			     u64 *hw_stats_regs_32, u64 *hw_stats_regs_64,
+			     u8 hw_rev);
+enum irdma_status_code
+irdma_cqp_ws_node_cmd(struct irdma_sc_dev *dev, u8 cmd,
+		      struct irdma_ws_node_info *node_info);
+enum irdma_status_code irdma_cqp_up_map_cmd(struct irdma_sc_dev *dev, u8 cmd,
+					    struct irdma_up_info *map_info);
+enum irdma_status_code irdma_cqp_ceq_cmd(struct irdma_sc_dev *dev,
+					 struct irdma_sc_ceq *sc_ceq, u8 op);
+enum irdma_status_code irdma_cqp_aeq_cmd(struct irdma_sc_dev *dev,
+					 struct irdma_sc_aeq *sc_aeq, u8 op);
+enum irdma_status_code
+irdma_cqp_stats_inst_cmd(struct irdma_sc_vsi *vsi, u8 cmd,
+			 struct irdma_stats_inst_info *stats_info);
+u16 irdma_alloc_ws_node_id(struct irdma_sc_dev *dev);
+void irdma_free_ws_node_id(struct irdma_sc_dev *dev, u16 node_id);
+void irdma_update_stats(struct irdma_dev_hw_stats *hw_stats,
+			struct irdma_gather_stats *gather_stats,
+			struct irdma_gather_stats *last_gather_stats);
+/* vsi functions */
+enum irdma_status_code irdma_vsi_stats_init(struct irdma_sc_vsi *vsi,
+					    struct irdma_vsi_stats_info *info);
+void irdma_vsi_stats_free(struct irdma_sc_vsi *vsi);
+void irdma_sc_vsi_init(struct irdma_sc_vsi *vsi,
+		       struct irdma_vsi_init_info *info);
+enum irdma_status_code irdma_sc_add_cq_ctx(struct irdma_sc_ceq *ceq,
+					   struct irdma_sc_cq *cq);
+void irdma_sc_remove_cq_ctx(struct irdma_sc_ceq *ceq, struct irdma_sc_cq *cq);
+/* misc L2 param change functions */
+void irdma_change_l2params(struct irdma_sc_vsi *vsi,
+			   struct irdma_l2params *l2params);
+void irdma_sc_suspend_resume_qps(struct irdma_sc_vsi *vsi, u8 suspend);
+enum irdma_status_code irdma_cqp_qp_suspend_resume(struct irdma_sc_qp *qp,
+						   u8 cmd);
+void irdma_qp_add_qos(struct irdma_sc_qp *qp);
+void irdma_qp_rem_qos(struct irdma_sc_qp *qp);
+struct irdma_sc_qp *irdma_get_qp_from_list(struct list_head *head,
+					   struct irdma_sc_qp *qp);
+void irdma_reinitialize_ieq(struct irdma_sc_vsi *vsi);
+u16 irdma_alloc_ws_node_id(struct irdma_sc_dev *dev);
+void irdma_free_ws_node_id(struct irdma_sc_dev *dev, u16 node_id);
+/* terminate functions*/
+void irdma_terminate_send_fin(struct irdma_sc_qp *qp);
+
+void irdma_terminate_connection(struct irdma_sc_qp *qp,
+				struct irdma_aeqe_info *info);
+
+void irdma_terminate_received(struct irdma_sc_qp *qp,
+			      struct irdma_aeqe_info *info);
+/* dynamic memory allocation */
+/* misc */
+u8 irdma_get_encoded_wqe_size(u32 wqsize, enum irdma_queue_type queue_type);
+void irdma_modify_qp_to_err(struct irdma_sc_qp *sc_qp);
+enum irdma_status_code
+irdma_sc_static_hmc_pages_allocated(struct irdma_sc_cqp *cqp, u64 scratch,
+				    u8 hmc_fn_id, bool post_sq,
+				    bool poll_registers);
+enum irdma_status_code irdma_cfg_fpm_val(struct irdma_sc_dev *dev,
+					 u32 qp_count);
+enum irdma_status_code irdma_get_rdma_features(struct irdma_sc_dev *dev);
+void free_sd_mem(struct irdma_sc_dev *dev);
+enum irdma_status_code irdma_process_cqp_cmd(struct irdma_sc_dev *dev,
+					     struct cqp_cmds_info *pcmdinfo);
+enum irdma_status_code irdma_process_bh(struct irdma_sc_dev *dev);
+enum irdma_status_code irdma_cqp_sds_cmd(struct irdma_sc_dev *dev,
+					 struct irdma_update_sds_info *info);
+enum irdma_status_code
+irdma_cqp_query_fpm_val_cmd(struct irdma_sc_dev *dev,
+			    struct irdma_dma_mem *val_mem, u8 hmc_fn_id);
+enum irdma_status_code
+irdma_cqp_commit_fpm_val_cmd(struct irdma_sc_dev *dev,
+			     struct irdma_dma_mem *val_mem, u8 hmc_fn_id);
+enum irdma_status_code irdma_alloc_query_fpm_buf(struct irdma_sc_dev *dev,
+						 struct irdma_dma_mem *mem);
+enum irdma_status_code
+irdma_cqp_manage_hmc_fcn_cmd(struct irdma_sc_dev *dev,
+			     struct irdma_hmc_fcn_info *hmcfcninfo,
+			     u16 *pmf_idx);
+void irdma_add_dev_ref(struct irdma_sc_dev *dev);
+void irdma_put_dev_ref(struct irdma_sc_dev *dev);
+void *irdma_remove_cqp_head(struct irdma_sc_dev *dev);
+#endif /* IRDMA_PROTOS_H */
--- a/drivers/infiniband/hw/irdma/status.h
+++ b/drivers/infiniband/hw/irdma/status.h
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2015 - 2020 Intel Corporation */
+#ifndef IRDMA_STATUS_H
+#define IRDMA_STATUS_H
+
+/* Error Codes */
+enum irdma_status_code {
+	IRDMA_SUCCESS				= 0,
+	IRDMA_ERR_NVM				= -1,
+	IRDMA_ERR_NVM_CHECKSUM			= -2,
+	IRDMA_ERR_CFG				= -4,
+	IRDMA_ERR_PARAM				= -5,
+	IRDMA_ERR_DEVICE_NOT_SUPPORTED		= -6,
+	IRDMA_ERR_RESET_FAILED			= -7,
+	IRDMA_ERR_SWFW_SYNC			= -8,
+	IRDMA_ERR_NO_MEMORY			= -9,
+	IRDMA_ERR_BAD_PTR			= -10,
+	IRDMA_ERR_INVALID_PD_ID			= -11,
+	IRDMA_ERR_INVALID_QP_ID			= -12,
+	IRDMA_ERR_INVALID_CQ_ID			= -13,
+	IRDMA_ERR_INVALID_CEQ_ID		= -14,
+	IRDMA_ERR_INVALID_AEQ_ID		= -15,
+	IRDMA_ERR_INVALID_SIZE			= -16,
+	IRDMA_ERR_INVALID_ARP_INDEX		= -17,
+	IRDMA_ERR_INVALID_FPM_FUNC_ID		= -18,
+	IRDMA_ERR_QP_INVALID_MSG_SIZE		= -19,
+	IRDMA_ERR_QP_TOOMANY_WRS_POSTED		= -20,
+	IRDMA_ERR_INVALID_FRAG_COUNT		= -21,
+	IRDMA_ERR_Q_EMPTY			= -22,
+	IRDMA_ERR_INVALID_ALIGNMENT		= -23,
+	IRDMA_ERR_FLUSHED_Q			= -24,
+	IRDMA_ERR_INVALID_PUSH_PAGE_INDEX	= -25,
+	IRDMA_ERR_INVALID_INLINE_DATA_SIZE	= -26,
+	IRDMA_ERR_TIMEOUT			= -27,
+	IRDMA_ERR_OPCODE_MISMATCH		= -28,
+	IRDMA_ERR_CQP_COMPL_ERROR		= -29,
+	IRDMA_ERR_INVALID_VF_ID			= -30,
+	IRDMA_ERR_INVALID_HMCFN_ID		= -31,
+	IRDMA_ERR_BACKING_PAGE_ERROR		= -32,
+	IRDMA_ERR_NO_PBLCHUNKS_AVAILABLE	= -33,
+	IRDMA_ERR_INVALID_PBLE_INDEX		= -34,
+	IRDMA_ERR_INVALID_SD_INDEX		= -35,
+	IRDMA_ERR_INVALID_PAGE_DESC_INDEX	= -36,
+	IRDMA_ERR_INVALID_SD_TYPE		= -37,
+	IRDMA_ERR_MEMCPY_FAILED			= -38,
+	IRDMA_ERR_INVALID_HMC_OBJ_INDEX		= -39,
+	IRDMA_ERR_INVALID_HMC_OBJ_COUNT		= -40,
+	IRDMA_ERR_BUF_TOO_SHORT			= -43,
+	IRDMA_ERR_BAD_IWARP_CQE			= -44,
+	IRDMA_ERR_NVM_BLANK_MODE		= -45,
+	IRDMA_ERR_NOT_IMPL			= -46,
+	IRDMA_ERR_PE_DOORBELL_NOT_ENA		= -47,
+	IRDMA_ERR_NOT_READY			= -48,
+	IRDMA_NOT_SUPPORTED			= -49,
+	IRDMA_ERR_FIRMWARE_API_VER		= -50,
+	IRDMA_ERR_RING_FULL			= -51,
+	IRDMA_ERR_MPA_CRC			= -61,
+	IRDMA_ERR_NO_TXBUFS			= -62,
+	IRDMA_ERR_SEQ_NUM			= -63,
+	IRDMA_ERR_list_empty			= -64,
+	IRDMA_ERR_INVALID_MAC_ADDR		= -65,
+	IRDMA_ERR_BAD_STAG			= -66,
+	IRDMA_ERR_CQ_COMPL_ERROR		= -67,
+	IRDMA_ERR_Q_DESTROYED			= -68,
+	IRDMA_ERR_INVALID_FEAT_CNT		= -69,
+	IRDMA_ERR_REG_CQ_FULL			= -70,
+	IRDMA_ERR_VF_MSG_ERROR			= -71,
+	IRDMA_ERR_NO_INTR			= -72,
+	IRDMA_ERR_REG_QSET			= -73,
+};
+#endif /* IRDMA_STATUS_H */
--- a/drivers/infiniband/hw/irdma/utils.c
+++ b/drivers/infiniband/hw/irdma/utils.c