1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
12 #include <linux/types.h>
14 #include <linux/delay.h>
15 #include <linux/firmware.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/mutex.h>
19 #include <linux/pci.h>
20 #include <linux/slab.h>
21 #include <linux/string.h>
22 #include <linux/workqueue.h>
23 #include <linux/zlib.h>
24 #include <linux/hashtable.h>
25 #include <linux/qed/qed_if.h>
26 #include "qed_debug.h"
29 extern const struct qed_common_ops qed_common_ops_pass
;
30 #define DRV_MODULE_VERSION "8.10.9.20"
32 #define MAX_HWFNS_PER_DEVICE (4)
36 #define QED_WFQ_UNIT 100
38 #define QED_WID_SIZE (1024)
39 #define QED_PF_DEMS_SIZE (4)
42 enum qed_coalescing_mode
{
43 QED_COAL_MODE_DISABLE
,
47 struct qed_eth_cb_ops
;
49 union qed_mcp_protocol_stats
;
50 enum qed_mcp_protocol_type
;
53 static inline u32
qed_db_addr(u32 cid
, u32 DEMS
)
55 u32 db_addr
= FIELD_VALUE(DB_LEGACY_ADDR_DEMS
, DEMS
) |
56 (cid
* QED_PF_DEMS_SIZE
);
61 static inline u32
qed_db_addr_vf(u32 cid
, u32 DEMS
)
63 u32 db_addr
= FIELD_VALUE(DB_LEGACY_ADDR_DEMS
, DEMS
) |
64 FIELD_VALUE(DB_LEGACY_ADDR_ICID
, cid
);
69 #define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
70 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
71 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
73 #define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
75 #define D_TRINE(val, cond1, cond2, true1, true2, def) \
76 (val == (cond1) ? true1 : \
77 (val == (cond2) ? true2 : def))
83 struct qed_sb_attn_info
;
85 struct qed_sb_sp_info
;
95 QED_MODE_L2GENEVE_TUNN
,
96 QED_MODE_IPGENEVE_TUNN
,
103 QED_TUNN_CLSS_MAC_VLAN
,
104 QED_TUNN_CLSS_MAC_VNI
,
105 QED_TUNN_CLSS_INNER_MAC_VLAN
,
106 QED_TUNN_CLSS_INNER_MAC_VNI
,
110 struct qed_tunn_start_params
{
111 unsigned long tunn_mode
;
114 u8 update_vxlan_udp_port
;
115 u8 update_geneve_udp_port
;
117 u8 tunn_clss_l2geneve
;
118 u8 tunn_clss_ipgeneve
;
123 struct qed_tunn_update_params
{
124 unsigned long tunn_mode_update_mask
;
125 unsigned long tunn_mode
;
128 u8 update_rx_pf_clss
;
129 u8 update_tx_pf_clss
;
130 u8 update_vxlan_udp_port
;
131 u8 update_geneve_udp_port
;
133 u8 tunn_clss_l2geneve
;
134 u8 tunn_clss_ipgeneve
;
139 /* The PCI personality is not quite synonymous to protocol ID:
140 * 1. All personalities need CORE connections
141 * 2. The Ethernet personality may support also the RoCE protocol
143 enum qed_pci_personality
{
147 QED_PCI_DEFAULT
/* default in shmem */
150 /* All VFs are symmetric, all counters are PF + all VFs */
169 QED_RDMA_STATS_QUEUE
,
181 QED_PORT_MODE_DE_2X40G
,
182 QED_PORT_MODE_DE_2X50G
,
183 QED_PORT_MODE_DE_1X100G
,
184 QED_PORT_MODE_DE_4X10G_F
,
185 QED_PORT_MODE_DE_4X10G_E
,
186 QED_PORT_MODE_DE_4X20G
,
187 QED_PORT_MODE_DE_1X40G
,
188 QED_PORT_MODE_DE_2X25G
,
189 QED_PORT_MODE_DE_1X25G
199 /* PCI personality */
200 enum qed_pci_personality personality
;
202 /* Resource Allocation scheme results */
203 u32 resc_start
[QED_MAX_RESC
];
204 u32 resc_num
[QED_MAX_RESC
];
205 u32 feat_num
[QED_MAX_FEATURES
];
207 #define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
208 #define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
209 #define RESC_END(_p_hwfn, resc) (RESC_START(_p_hwfn, resc) + \
210 RESC_NUM(_p_hwfn, resc))
211 #define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
222 unsigned char hw_mac_addr
[ETH_ALEN
];
224 struct qed_igu_info
*p_igu_info
;
228 unsigned long device_capabilities
;
231 struct qed_hw_cid_data
{
233 bool b_cid_allocated
;
235 /* Additional identifiers */
240 /* maximun size of read/write commands (HW limit) */
241 #define DMAE_MAX_RW_SIZE 0x2000
243 struct qed_dmae_info
{
244 /* Mutex for synchronizing access to functions */
249 dma_addr_t completion_word_phys_addr
;
251 /* The memory location where the DMAE writes the completion
252 * value when an operation is finished on this context.
254 u32
*p_completion_word
;
256 dma_addr_t intermediate_buffer_phys_addr
;
258 /* An intermediate buffer for DMAE operations that use virtual
259 * addresses - data is DMA'd to/from this buffer and then
260 * memcpy'd to/from the virtual address
262 u32
*p_intermediate_buffer
;
264 dma_addr_t dmae_cmd_phys_addr
;
265 struct dmae_cmd
*p_dmae_cmd
;
268 struct qed_wfq_data
{
269 /* when feature is configured for at least 1 vport */
275 struct init_qm_pq_params
*qm_pq_params
;
276 struct init_qm_vport_params
*qm_vport_params
;
277 struct init_qm_port_params
*qm_port_params
;
288 u8 max_phys_tcs_per_port
;
295 struct qed_wfq_data
*wfq_data
;
304 struct qed_storm_stats
{
305 struct storm_stats mstats
;
306 struct storm_stats pstats
;
307 struct storm_stats tstats
;
308 struct storm_stats ustats
;
312 struct fw_ver_info
*fw_ver_info
;
313 const u8
*modes_tree_buf
;
314 union init_op
*init_ops
;
319 struct qed_simd_fp_handler
{
321 void (*func
)(void *);
325 struct qed_dev
*cdev
;
326 u8 my_id
; /* ID inside the PF */
327 #define IS_LEAD_HWFN(edev) (!((edev)->my_id))
328 u8 rel_pf_id
; /* Relative to engine*/
330 #define QED_PATH_ID(_p_hwfn) ((_p_hwfn)->abs_pf_id & 1)
336 char name
[NAME_SIZE
];
338 bool first_on_engine
;
341 u8 num_funcs_on_engine
;
345 void __iomem
*regview
;
346 void __iomem
*doorbells
;
348 unsigned long db_size
;
351 struct qed_ptt_pool
*p_ptt_pool
;
354 struct qed_hw_info hw_info
;
356 /* rt_array (for init-tool) */
357 struct qed_rt_data rt_data
;
360 struct qed_spq
*p_spq
;
366 struct qed_consq
*p_consq
;
368 /* Slow-Path definitions */
369 struct tasklet_struct
*sp_dpc
;
370 bool b_sp_dpc_enabled
;
372 struct qed_ptt
*p_main_ptt
;
373 struct qed_ptt
*p_dpc_ptt
;
375 struct qed_sb_sp_info
*p_sp_sb
;
376 struct qed_sb_attn_info
*p_sb_attn
;
378 /* Protocol related */
380 struct qed_ll2_info
*p_ll2_info
;
381 struct qed_rdma_info
*p_rdma_info
;
382 struct qed_pf_params pf_params
;
384 bool b_rdma_enabled_in_prs
;
385 u32 rdma_prs_search_reg
;
387 /* Array of sb_info of all status blocks */
388 struct qed_sb_info
*sbs_info
[MAX_SB_PER_PF_MIMD
];
391 struct qed_cxt_mngr
*p_cxt_mngr
;
393 /* Flag indicating whether interrupts are enabled or not*/
395 bool b_int_requested
;
397 /* True if the driver requests for the link */
398 bool b_drv_link_init
;
400 struct qed_vf_iov
*vf_iov_info
;
401 struct qed_pf_iov
*pf_iov_info
;
402 struct qed_mcp_info
*mcp_info
;
404 struct qed_dcbx_info
*p_dcbx_info
;
406 struct qed_hw_cid_data
*p_tx_cids
;
407 struct qed_hw_cid_data
*p_rx_cids
;
409 struct qed_dmae_info dmae_info
;
412 struct qed_qm_info qm_info
;
413 struct qed_storm_stats storm_stats
;
415 /* Buffer for unzipping firmware data */
418 struct dbg_tools_data dbg_info
;
420 /* PWM region specific data */
424 /* This is used to calculate the doorbell address */
425 u32 dpi_start_offset
;
427 /* If one of the following is set then EDPM shouldn't be used */
431 struct qed_simd_fp_handler simd_proto_handler
[64];
433 #ifdef CONFIG_QED_SRIOV
434 struct workqueue_struct
*iov_wq
;
435 struct delayed_work iov_task
;
436 unsigned long iov_task_flags
;
439 struct z_stream_s
*stream
;
440 struct qed_roce_ll2_info
*ll2
;
446 unsigned long mem_start
;
447 unsigned long mem_end
;
452 struct qed_int_param
{
455 u8 min_msix_cnt
; /* for minimal functionality */
458 struct qed_int_params
{
459 struct qed_int_param in
;
460 struct qed_int_param out
;
461 struct msix_entry
*msix_table
;
469 struct qed_dbg_feature
{
470 struct dentry
*dentry
;
476 struct qed_dbg_params
{
477 struct qed_dbg_feature features
[DBG_FEATURE_NUM
];
485 char name
[NAME_SIZE
];
488 #define QED_DEV_TYPE_BB (0 << 0)
489 #define QED_DEV_TYPE_AH BIT(0)
490 /* Translate type/revision combo into the proper conditions */
491 #define QED_IS_BB(dev) ((dev)->type == QED_DEV_TYPE_BB)
492 #define QED_IS_BB_A0(dev) (QED_IS_BB(dev) && \
494 #define QED_IS_BB_B0(dev) (QED_IS_BB(dev) && \
496 #define QED_IS_AH(dev) ((dev)->type == QED_DEV_TYPE_AH)
497 #define QED_IS_K2(dev) QED_IS_AH(dev)
499 #define QED_GET_TYPE(dev) (QED_IS_BB_A0(dev) ? CHIP_BB_A0 : \
500 QED_IS_BB_B0(dev) ? CHIP_BB_B0 : CHIP_K2)
506 #define CHIP_NUM_MASK 0xffff
507 #define CHIP_NUM_SHIFT 16
510 #define CHIP_REV_MASK 0xf
511 #define CHIP_REV_SHIFT 12
512 #define CHIP_REV_IS_A0(_cdev) (!(_cdev)->chip_rev)
513 #define CHIP_REV_IS_B0(_cdev) ((_cdev)->chip_rev == 1)
516 #define CHIP_METAL_MASK 0xff
517 #define CHIP_METAL_SHIFT 4
520 #define CHIP_BOND_ID_MASK 0xf
521 #define CHIP_BOND_ID_SHIFT 0
524 u8 num_ports_in_engines
;
525 u8 num_funcs_in_port
;
528 enum qed_mf_mode mf_mode
;
529 #define IS_MF_DEFAULT(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_DEFAULT)
530 #define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_NPAR)
531 #define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == QED_MF_OVLAN)
535 u8 ver_str
[VER_SIZE
];
537 /* Add MF related configuration */
544 enum qed_coalescing_mode int_coalescing_mode
;
545 u16 rx_coalesce_usecs
;
546 u16 tx_coalesce_usecs
;
548 /* Start Bar offset of first hwfn */
549 void __iomem
*regview
;
550 void __iomem
*doorbells
;
552 unsigned long db_size
;
558 const struct iro
*iro_arr
;
559 #define IRO (p_hwfn->cdev->iro_arr)
563 struct qed_hwfn hwfns
[MAX_HWFNS_PER_DEVICE
];
566 struct qed_hw_sriov_info
*p_iov_info
;
567 #define IS_QED_SRIOV(cdev) (!!(cdev)->p_iov_info)
569 unsigned long tunn_mode
;
573 struct qed_eth_stats
*reset_stats
;
574 struct qed_fw_data
*fw_data
;
578 /* Linux specific here */
579 struct qede_dev
*edev
;
580 struct pci_dev
*pdev
;
583 struct pci_params pci_params
;
585 struct qed_int_params int_params
;
588 #define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
590 /* Callbacks to protocol driver */
592 struct qed_common_cb_ops
*common
;
593 struct qed_eth_cb_ops
*eth
;
597 struct qed_dbg_params dbg_params
;
599 #ifdef CONFIG_QED_LL2
600 struct qed_cb_ll2_info
*ll2
;
601 u8 ll2_mac_address
[ETH_ALEN
];
604 const struct firmware
*firmware
;
608 u32 rdma_max_srq_sge
;
611 #define NUM_OF_VFS(dev) MAX_NUM_VFS_BB
612 #define NUM_OF_L2_QUEUES(dev) MAX_NUM_L2_QUEUES_BB
613 #define NUM_OF_SBS(dev) MAX_SB_PER_PATH_BB
614 #define NUM_OF_ENG_PFS(dev) MAX_NUM_PFS_BB
617 * @brief qed_concrete_to_sw_fid - get the sw function id from
618 * the concrete value.
620 * @param concrete_fid
624 static inline u8
qed_concrete_to_sw_fid(struct qed_dev
*cdev
,
627 u8 vfid
= GET_FIELD(concrete_fid
, PXP_CONCRETE_FID_VFID
);
628 u8 pfid
= GET_FIELD(concrete_fid
, PXP_CONCRETE_FID_PFID
);
629 u8 vf_valid
= GET_FIELD(concrete_fid
,
630 PXP_CONCRETE_FID_VFVALID
);
634 sw_fid
= vfid
+ MAX_NUM_PFS
;
644 int qed_configure_vport_wfq(struct qed_dev
*cdev
, u16 vp_id
, u32 rate
);
645 void qed_configure_vp_wfq_on_link_change(struct qed_dev
*cdev
, u32 min_pf_rate
);
647 void qed_clean_wfq_db(struct qed_hwfn
*p_hwfn
, struct qed_ptt
*p_ptt
);
648 #define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
650 /* Other Linux specific common definitions */
651 #define DP_NAME(cdev) ((cdev)->name)
653 #define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
657 #define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
658 #define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
659 #define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
661 #define DOORBELL(cdev, db_addr, val) \
662 writel((u32)val, (void __iomem *)((u8 __iomem *)\
663 (cdev->doorbells) + (db_addr)))
666 int qed_fill_dev_info(struct qed_dev
*cdev
,
667 struct qed_dev_info
*dev_info
);
668 void qed_link_update(struct qed_hwfn
*hwfn
);
669 u32
qed_unzip_data(struct qed_hwfn
*p_hwfn
,
670 u32 input_len
, u8
*input_buf
,
671 u32 max_size
, u8
*unzip_buf
);
672 void qed_get_protocol_stats(struct qed_dev
*cdev
,
673 enum qed_mcp_protocol_type type
,
674 union qed_mcp_protocol_stats
*stats
);
675 int qed_slowpath_irq_req(struct qed_hwfn
*hwfn
);