1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/types.h>
38 #include <linux/delay.h>
39 #include <linux/firmware.h>
40 #include <linux/interrupt.h>
41 #include <linux/list.h>
42 #include <linux/mutex.h>
43 #include <linux/pci.h>
44 #include <linux/slab.h>
45 #include <linux/string.h>
46 #include <linux/workqueue.h>
47 #include <linux/zlib.h>
48 #include <linux/hashtable.h>
49 #include <linux/qed/qed_if.h>
50 #include "qed_debug.h"
53 extern const struct qed_common_ops qed_common_ops_pass;
55 #define QED_MAJOR_VERSION 8
56 #define QED_MINOR_VERSION 10
57 #define QED_REVISION_VERSION 10
58 #define QED_ENGINEERING_VERSION 21
61 ((QED_MAJOR_VERSION << 24) | (QED_MINOR_VERSION << 16) | \
62 (QED_REVISION_VERSION << 8) | QED_ENGINEERING_VERSION)
64 #define STORM_FW_VERSION \
65 ((FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) | \
66 (FW_REVISION_VERSION << 8) | FW_ENGINEERING_VERSION)
68 #define MAX_HWFNS_PER_DEVICE (4)
72 #define QED_WFQ_UNIT 100
74 #define QED_WID_SIZE (1024)
75 #define QED_PF_DEMS_SIZE (4)
78 enum qed_coalescing_mode {
79 QED_COAL_MODE_DISABLE,
83 struct qed_eth_cb_ops;
85 union qed_mcp_protocol_stats;
86 enum qed_mcp_protocol_type;
89 #define QED_MFW_GET_FIELD(name, field) \
90 (((name) & (field ## _MASK)) >> (field ## _SHIFT))
92 #define QED_MFW_SET_FIELD(name, field, value) \
94 (name) &= ~((field ## _MASK) << (field ## _SHIFT)); \
95 (name) |= (((value) << (field ## _SHIFT)) & (field ## _MASK));\
98 static inline u32 qed_db_addr(u32 cid, u32 DEMS)
100 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
101 (cid * QED_PF_DEMS_SIZE);
106 static inline u32 qed_db_addr_vf(u32 cid, u32 DEMS)
108 u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
109 FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);
114 #define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
115 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
116 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
118 #define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
120 #define D_TRINE(val, cond1, cond2, true1, true2, def) \
121 (val == (cond1) ? true1 : \
122 (val == (cond2) ? true2 : def))
128 struct qed_sb_attn_info;
130 struct qed_sb_sp_info;
140 QED_MODE_L2GENEVE_TUNN,
141 QED_MODE_IPGENEVE_TUNN,
148 QED_TUNN_CLSS_MAC_VLAN,
149 QED_TUNN_CLSS_MAC_VNI,
150 QED_TUNN_CLSS_INNER_MAC_VLAN,
151 QED_TUNN_CLSS_INNER_MAC_VNI,
152 QED_TUNN_CLSS_MAC_VLAN_DUAL_STAGE,
156 struct qed_tunn_update_type {
159 enum qed_tunn_clss tun_cls;
162 struct qed_tunn_update_udp_port {
167 struct qed_tunnel_info {
168 struct qed_tunn_update_type vxlan;
169 struct qed_tunn_update_type l2_geneve;
170 struct qed_tunn_update_type ip_geneve;
171 struct qed_tunn_update_type l2_gre;
172 struct qed_tunn_update_type ip_gre;
174 struct qed_tunn_update_udp_port vxlan_port;
175 struct qed_tunn_update_udp_port geneve_port;
177 bool b_update_rx_cls;
178 bool b_update_tx_cls;
181 struct qed_tunn_start_params {
182 unsigned long tunn_mode;
185 u8 update_vxlan_udp_port;
186 u8 update_geneve_udp_port;
188 u8 tunn_clss_l2geneve;
189 u8 tunn_clss_ipgeneve;
194 struct qed_tunn_update_params {
195 unsigned long tunn_mode_update_mask;
196 unsigned long tunn_mode;
199 u8 update_rx_pf_clss;
200 u8 update_tx_pf_clss;
201 u8 update_vxlan_udp_port;
202 u8 update_geneve_udp_port;
204 u8 tunn_clss_l2geneve;
205 u8 tunn_clss_ipgeneve;
210 /* The PCI personality is not quite synonymous to protocol ID:
211 * 1. All personalities need CORE connections
212 * 2. The Ethernet personality may support also the RoCE protocol
214 enum qed_pci_personality {
219 QED_PCI_DEFAULT /* default in shmem */
222 /* All VFs are symmetric, all counters are PF + all VFs */
229 /* HW / FW resources, output of features supported below, most information
230 * is received from MFW.
245 QED_RDMA_STATS_QUEUE,
261 QED_PORT_MODE_DE_2X40G,
262 QED_PORT_MODE_DE_2X50G,
263 QED_PORT_MODE_DE_1X100G,
264 QED_PORT_MODE_DE_4X10G_F,
265 QED_PORT_MODE_DE_4X10G_E,
266 QED_PORT_MODE_DE_4X20G,
267 QED_PORT_MODE_DE_1X40G,
268 QED_PORT_MODE_DE_2X25G,
269 QED_PORT_MODE_DE_1X25G,
270 QED_PORT_MODE_DE_4X25G,
271 QED_PORT_MODE_DE_2X10G,
281 enum qed_wol_support {
282 QED_WOL_SUPPORT_NONE,
287 /* PCI personality */
288 enum qed_pci_personality personality;
290 /* Resource Allocation scheme results */
291 u32 resc_start[QED_MAX_RESC];
292 u32 resc_num[QED_MAX_RESC];
293 u32 feat_num[QED_MAX_FEATURES];
295 #define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
296 #define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
297 #define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
298 RESC_NUM(_p_hwfn, resc))
299 #define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
301 /* Amount of traffic classes HW supports */
304 /* Amount of TCs which should be active according to DCBx or upper
305 * layer driver configuration.
315 unsigned char hw_mac_addr[ETH_ALEN];
321 struct qed_igu_info *p_igu_info;
325 unsigned long device_capabilities;
328 enum qed_wol_support b_wol_support;
331 /* maximun size of read/write commands (HW limit) */
332 #define DMAE_MAX_RW_SIZE 0x2000
334 struct qed_dmae_info {
335 /* Mutex for synchronizing access to functions */
340 dma_addr_t completion_word_phys_addr;
342 /* The memory location where the DMAE writes the completion
343 * value when an operation is finished on this context.
345 u32 *p_completion_word;
347 dma_addr_t intermediate_buffer_phys_addr;
349 /* An intermediate buffer for DMAE operations that use virtual
350 * addresses - data is DMA'd to/from this buffer and then
351 * memcpy'd to/from the virtual address
353 u32 *p_intermediate_buffer;
355 dma_addr_t dmae_cmd_phys_addr;
356 struct dmae_cmd *p_dmae_cmd;
359 struct qed_wfq_data {
360 /* when feature is configured for at least 1 vport */
366 struct init_qm_pq_params *qm_pq_params;
367 struct init_qm_vport_params *qm_vport_params;
368 struct init_qm_port_params *qm_port_params;
382 u8 max_phys_tcs_per_port;
390 struct qed_wfq_data *wfq_data;
399 struct qed_storm_stats {
400 struct storm_stats mstats;
401 struct storm_stats pstats;
402 struct storm_stats tstats;
403 struct storm_stats ustats;
407 struct fw_ver_info *fw_ver_info;
408 const u8 *modes_tree_buf;
409 union init_op *init_ops;
414 #define DRV_MODULE_VERSION \
415 __stringify(QED_MAJOR_VERSION) "." \
416 __stringify(QED_MINOR_VERSION) "." \
417 __stringify(QED_REVISION_VERSION) "." \
418 __stringify(QED_ENGINEERING_VERSION)
420 struct qed_simd_fp_handler {
422 void (*func)(void *);
426 struct qed_dev *cdev;
427 u8 my_id; /* ID inside the PF */
428 #define IS_LEAD_HWFN(edev) (!((edev)->my_id))
429 u8 rel_pf_id; /* Relative to engine*/
431 #define QED_PATH_ID(_p_hwfn) \
432 (QED_IS_K2((_p_hwfn)->cdev) ? 0 : ((_p_hwfn)->abs_pf_id & 1))
438 char name[NAME_SIZE];
440 bool first_on_engine;
443 u8 num_funcs_on_engine;
447 void __iomem *regview;
448 void __iomem *doorbells;
450 unsigned long db_size;
453 struct qed_ptt_pool *p_ptt_pool;
456 struct qed_hw_info hw_info;
458 /* rt_array (for init-tool) */
459 struct qed_rt_data rt_data;
462 struct qed_spq *p_spq;
468 struct qed_consq *p_consq;
470 /* Slow-Path definitions */
471 struct tasklet_struct *sp_dpc;
472 bool b_sp_dpc_enabled;
474 struct qed_ptt *p_main_ptt;
475 struct qed_ptt *p_dpc_ptt;
477 struct qed_sb_sp_info *p_sp_sb;
478 struct qed_sb_attn_info *p_sb_attn;
480 /* Protocol related */
482 struct qed_ll2_info *p_ll2_info;
483 struct qed_ooo_info *p_ooo_info;
484 struct qed_rdma_info *p_rdma_info;
485 struct qed_iscsi_info *p_iscsi_info;
486 struct qed_fcoe_info *p_fcoe_info;
487 struct qed_pf_params pf_params;
489 bool b_rdma_enabled_in_prs;
490 u32 rdma_prs_search_reg;
492 /* Array of sb_info of all status blocks */
493 struct qed_sb_info *sbs_info[MAX_SB_PER_PF_MIMD];
496 struct qed_cxt_mngr *p_cxt_mngr;
498 /* Flag indicating whether interrupts are enabled or not*/
500 bool b_int_requested;
502 /* True if the driver requests for the link */
503 bool b_drv_link_init;
505 struct qed_vf_iov *vf_iov_info;
506 struct qed_pf_iov *pf_iov_info;
507 struct qed_mcp_info *mcp_info;
509 struct qed_dcbx_info *p_dcbx_info;
511 struct qed_dmae_info dmae_info;
514 struct qed_qm_info qm_info;
515 struct qed_storm_stats storm_stats;
517 /* Buffer for unzipping firmware data */
520 struct dbg_tools_data dbg_info;
522 /* PWM region specific data */
526 /* This is used to calculate the doorbell address */
527 u32 dpi_start_offset;
529 /* If one of the following is set then EDPM shouldn't be used */
533 struct qed_ptt *p_arfs_ptt;
535 /* p_ptp_ptt is valid for leading HWFN only */
536 struct qed_ptt *p_ptp_ptt;
537 struct qed_simd_fp_handler simd_proto_handler[64];
539 #ifdef CONFIG_QED_SRIOV
540 struct workqueue_struct *iov_wq;
541 struct delayed_work iov_task;
542 unsigned long iov_task_flags;
545 struct z_stream_s *stream;
546 struct qed_roce_ll2_info *ll2;
552 unsigned long mem_start;
553 unsigned long mem_end;
558 struct qed_int_param {
561 u8 min_msix_cnt; /* for minimal functionality */
564 struct qed_int_params {
565 struct qed_int_param in;
566 struct qed_int_param out;
567 struct msix_entry *msix_table;
575 struct qed_dbg_feature {
576 struct dentry *dentry;
582 struct qed_dbg_params {
583 struct qed_dbg_feature features[DBG_FEATURE_NUM];
591 char name[NAME_SIZE];
593 enum qed_dev_type type;
594 /* Translate type/revision combo into the proper conditions */
595 #define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
596 #define QED_IS_BB_A0(dev) (QED_IS_BB(dev) && \
598 #define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \
600 #define QED_IS_AH(dev) ((dev)->type == QED_DEV_TYPE_AH)
601 #define QED_IS_K2(dev) QED_IS_AH(dev)
603 #define QED_GET_TYPE(dev) (QED_IS_BB_A0(dev) ? CHIP_BB_A0 : \
604 QED_IS_BB_B0(dev) ? CHIP_BB_B0 : CHIP_K2)
608 #define QED_DEV_ID_MASK 0xff00
609 #define QED_DEV_ID_MASK_BB 0x1600
610 #define QED_DEV_ID_MASK_AH 0x8000
613 #define CHIP_NUM_MASK 0xffff
614 #define CHIP_NUM_SHIFT 16
617 #define CHIP_REV_MASK 0xf
618 #define CHIP_REV_SHIFT 12
619 #define CHIP_REV_IS_A0(_cdev) (!(_cdev)->chip_rev)
620 #define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
623 #define CHIP_METAL_MASK 0xff
624 #define CHIP_METAL_SHIFT 4
627 #define CHIP_BOND_ID_MASK 0xf
628 #define CHIP_BOND_ID_SHIFT 0
631 u8 num_ports_in_engines;
632 u8 num_funcs_in_port;
635 enum qed_mf_mode mf_mode;
636 #define IS_MF_DEFAULT(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_DEFAULT)
637 #define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_NPAR)
638 #define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_OVLAN)
642 u8 ver_str[VER_SIZE];
644 /* Add MF related configuration */
648 /* WoL related configurations */
650 u8 wol_mac[ETH_ALEN];
653 enum qed_coalescing_mode int_coalescing_mode;
654 u16 rx_coalesce_usecs;
655 u16 tx_coalesce_usecs;
657 /* Start Bar offset of first hwfn */
658 void __iomem *regview;
659 void __iomem *doorbells;
661 unsigned long db_size;
667 const struct iro *iro_arr;
668 #define IRO (p_hwfn->cdev->iro_arr)
672 struct qed_hwfn hwfns[MAX_HWFNS_PER_DEVICE];
675 struct qed_hw_sriov_info *p_iov_info;
676 #define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
677 struct qed_tunnel_info tunnel;
680 struct qed_eth_stats *reset_stats;
681 struct qed_fw_data *fw_data;
685 /* Linux specific here */
686 struct qede_dev *edev;
687 struct pci_dev *pdev;
689 #define QED_FLAG_STORAGE_STARTED (BIT(0))
692 struct pci_params pci_params;
694 struct qed_int_params int_params;
697 #define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
698 #define IS_QED_FCOE_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_FCOE)
700 /* Callbacks to protocol driver */
702 struct qed_common_cb_ops *common;
703 struct qed_eth_cb_ops *eth;
704 struct qed_fcoe_cb_ops *fcoe;
705 struct qed_iscsi_cb_ops *iscsi;
709 struct qed_dbg_params dbg_params;
711 #ifdef CONFIG_QED_LL2
712 struct qed_cb_ll2_info *ll2;
713 u8 ll2_mac_address[ETH_ALEN];
715 DECLARE_HASHTABLE(connections, 10);
716 const struct firmware *firmware;
720 u32 rdma_max_srq_sge;
721 u16 tunn_feature_mask;
724 #define NUM_OF_VFS(dev) (QED_IS_BB(dev) ? MAX_NUM_VFS_BB \
726 #define NUM_OF_L2_QUEUES(dev) (QED_IS_BB(dev) ? MAX_NUM_L2_QUEUES_BB \
727 : MAX_NUM_L2_QUEUES_K2)
728 #define NUM_OF_PORTS(dev) (QED_IS_BB(dev) ? MAX_NUM_PORTS_BB \
730 #define NUM_OF_SBS(dev) (QED_IS_BB(dev) ? MAX_SB_PER_PATH_BB \
731 : MAX_SB_PER_PATH_K2)
732 #define NUM_OF_ENG_PFS(dev) (QED_IS_BB(dev) ? MAX_NUM_PFS_BB \
736 * @brief qed_concrete_to_sw_fid - get the sw function id from
737 * the concrete value.
739 * @param concrete_fid
743 static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
746 u8 vfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_VFID);
747 u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);
748 u8 vf_valid = GET_FIELD(concrete_fid,
749 PXP_CONCRETE_FID_VFVALID);
753 sw_fid = vfid + MAX_NUM_PFS;
763 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate);
764 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev,
765 struct qed_ptt *p_ptt,
768 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
769 int qed_device_num_engines(struct qed_dev *cdev);
771 #define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
773 /* Flags for indication of required queues */
774 #define PQ_FLAGS_RLS (BIT(0))
775 #define PQ_FLAGS_MCOS (BIT(1))
776 #define PQ_FLAGS_LB (BIT(2))
777 #define PQ_FLAGS_OOO (BIT(3))
778 #define PQ_FLAGS_ACK (BIT(4))
779 #define PQ_FLAGS_OFLD (BIT(5))
780 #define PQ_FLAGS_VFS (BIT(6))
781 #define PQ_FLAGS_LLT (BIT(7))
783 /* physical queue index for cm context intialization */
784 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags);
785 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc);
786 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf);
788 #define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
790 /* Other Linux specific common definitions */
791 #define DP_NAME(cdev) ((cdev)->name)
793 #define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
797 #define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
798 #define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
799 #define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
801 #define DOORBELL(cdev, db_addr, val) \
802 writel((u32)val, (void __iomem *)((u8 __iomem *)\
803 (cdev->doorbells) + (db_addr)))
806 int qed_fill_dev_info(struct qed_dev *cdev,
807 struct qed_dev_info *dev_info);
808 void qed_link_update(struct qed_hwfn *hwfn);
809 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
810 u32 input_len, u8 *input_buf,
811 u32 max_size, u8 *unzip_buf);
812 void qed_get_protocol_stats(struct qed_dev *cdev,
813 enum qed_mcp_protocol_type type,
814 union qed_mcp_protocol_stats *stats);
815 int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
816 void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);