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>
28 extern const struct qed_common_ops qed_common_ops_pass
;
29 #define DRV_MODULE_VERSION "8.4.0.0"
31 #define MAX_HWFNS_PER_DEVICE (4)
36 enum qed_coalescing_mode
{
37 QED_COAL_MODE_DISABLE
,
41 struct qed_eth_cb_ops
;
45 static inline u32
qed_db_addr(u32 cid
, u32 DEMS
)
47 u32 db_addr
= FIELD_VALUE(DB_LEGACY_ADDR_DEMS
, DEMS
) |
48 FIELD_VALUE(DB_LEGACY_ADDR_ICID
, cid
);
53 #define ALIGNED_TYPE_SIZE(type_name, p_hwfn) \
54 ((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
55 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))
57 #define for_each_hwfn(cdev, i) for (i = 0; i < cdev->num_hwfns; i++)
59 #define D_TRINE(val, cond1, cond2, true1, true2, def) \
60 (val == (cond1) ? true1 : \
61 (val == (cond2) ? true2 : def))
67 struct qed_sb_attn_info
;
69 struct qed_sb_sp_info
;
77 /* The PCI personality is not quite synonymous to protocol ID:
78 * 1. All personalities need CORE connections
79 * 2. The Ethernet personality may support also the RoCE protocol
81 enum qed_pci_personality
{
83 QED_PCI_DEFAULT
/* default in shmem */
86 /* All VFs are symmetric, all counters are PF + all VFs */
112 QED_PORT_MODE_DE_2X40G
,
113 QED_PORT_MODE_DE_2X50G
,
114 QED_PORT_MODE_DE_1X100G
,
115 QED_PORT_MODE_DE_4X10G_F
,
116 QED_PORT_MODE_DE_4X10G_E
,
117 QED_PORT_MODE_DE_4X20G
,
118 QED_PORT_MODE_DE_1X40G
,
119 QED_PORT_MODE_DE_2X25G
,
120 QED_PORT_MODE_DE_1X25G
124 /* PCI personality */
125 enum qed_pci_personality personality
;
127 /* Resource Allocation scheme results */
128 u32 resc_start
[QED_MAX_RESC
];
129 u32 resc_num
[QED_MAX_RESC
];
130 u32 feat_num
[QED_MAX_FEATURES
];
132 #define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
133 #define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
134 #define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])
148 unsigned char hw_mac_addr
[ETH_ALEN
];
150 struct qed_igu_info
*p_igu_info
;
156 struct qed_hw_cid_data
{
158 bool b_cid_allocated
;
160 /* Additional identifiers */
165 /* maximun size of read/write commands (HW limit) */
166 #define DMAE_MAX_RW_SIZE 0x2000
168 struct qed_dmae_info
{
169 /* Mutex for synchronizing access to functions */
174 dma_addr_t completion_word_phys_addr
;
176 /* The memory location where the DMAE writes the completion
177 * value when an operation is finished on this context.
179 u32
*p_completion_word
;
181 dma_addr_t intermediate_buffer_phys_addr
;
183 /* An intermediate buffer for DMAE operations that use virtual
184 * addresses - data is DMA'd to/from this buffer and then
185 * memcpy'd to/from the virtual address
187 u32
*p_intermediate_buffer
;
189 dma_addr_t dmae_cmd_phys_addr
;
190 struct dmae_cmd
*p_dmae_cmd
;
194 struct init_qm_pq_params
*qm_pq_params
;
195 struct init_qm_vport_params
*qm_vport_params
;
196 struct init_qm_port_params
*qm_port_params
;
206 u8 max_phys_tcs_per_port
;
220 struct qed_storm_stats
{
221 struct storm_stats mstats
;
222 struct storm_stats pstats
;
223 struct storm_stats tstats
;
224 struct storm_stats ustats
;
228 struct fw_ver_info
*fw_ver_info
;
229 const u8
*modes_tree_buf
;
230 union init_op
*init_ops
;
235 struct qed_simd_fp_handler
{
237 void (*func
)(void *);
241 struct qed_dev
*cdev
;
242 u8 my_id
; /* ID inside the PF */
243 #define IS_LEAD_HWFN(edev) (!((edev)->my_id))
244 u8 rel_pf_id
; /* Relative to engine*/
246 #define QED_PATH_ID(_p_hwfn) ((_p_hwfn)->abs_pf_id & 1)
252 char name
[NAME_SIZE
];
254 bool first_on_engine
;
258 void __iomem
*regview
;
259 void __iomem
*doorbells
;
261 unsigned long db_size
;
264 struct qed_ptt_pool
*p_ptt_pool
;
267 struct qed_hw_info hw_info
;
269 /* rt_array (for init-tool) */
270 struct qed_rt_data
*rt_data
;
273 struct qed_spq
*p_spq
;
279 struct qed_consq
*p_consq
;
281 /* Slow-Path definitions */
282 struct tasklet_struct
*sp_dpc
;
283 bool b_sp_dpc_enabled
;
285 struct qed_ptt
*p_main_ptt
;
286 struct qed_ptt
*p_dpc_ptt
;
288 struct qed_sb_sp_info
*p_sp_sb
;
289 struct qed_sb_attn_info
*p_sb_attn
;
291 /* Protocol related */
292 struct qed_pf_params pf_params
;
294 /* Array of sb_info of all status blocks */
295 struct qed_sb_info
*sbs_info
[MAX_SB_PER_PF_MIMD
];
298 struct qed_cxt_mngr
*p_cxt_mngr
;
300 /* Flag indicating whether interrupts are enabled or not*/
302 bool b_int_requested
;
304 struct qed_mcp_info
*mcp_info
;
306 struct qed_hw_cid_data
*p_tx_cids
;
307 struct qed_hw_cid_data
*p_rx_cids
;
309 struct qed_dmae_info dmae_info
;
312 struct qed_qm_info qm_info
;
313 struct qed_storm_stats storm_stats
;
315 /* Buffer for unzipping firmware data */
318 struct qed_simd_fp_handler simd_proto_handler
[64];
320 struct z_stream_s
*stream
;
326 unsigned long mem_start
;
327 unsigned long mem_end
;
332 struct qed_int_param
{
335 u8 min_msix_cnt
; /* for minimal functionality */
338 struct qed_int_params
{
339 struct qed_int_param in
;
340 struct qed_int_param out
;
341 struct msix_entry
*msix_table
;
350 char name
[NAME_SIZE
];
353 #define QED_DEV_TYPE_BB_A0 (0 << 0)
354 #define QED_DEV_TYPE_MASK (0x3)
355 #define QED_DEV_TYPE_SHIFT (0)
358 #define CHIP_NUM_MASK 0xffff
359 #define CHIP_NUM_SHIFT 16
362 #define CHIP_REV_MASK 0xf
363 #define CHIP_REV_SHIFT 12
366 #define CHIP_METAL_MASK 0xff
367 #define CHIP_METAL_SHIFT 4
370 #define CHIP_BOND_ID_MASK 0xf
371 #define CHIP_BOND_ID_SHIFT 0
374 u8 num_ports_in_engines
;
375 u8 num_funcs_in_port
;
378 enum mf_mode mf_mode
;
379 #define IS_MF(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode != SF)
380 #define IS_MF_SI(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == MF_NPAR)
381 #define IS_MF_SD(_p_hwfn) (((_p_hwfn)->cdev)->mf_mode == MF_OVLAN)
385 u8 ver_str
[VER_SIZE
];
387 /* Add MF related configuration */
394 enum qed_coalescing_mode int_coalescing_mode
;
395 u8 rx_coalesce_usecs
;
396 u8 tx_coalesce_usecs
;
398 /* Start Bar offset of first hwfn */
399 void __iomem
*regview
;
400 void __iomem
*doorbells
;
402 unsigned long db_size
;
408 const struct iro
*iro_arr
;
409 #define IRO (p_hwfn->cdev->iro_arr)
413 struct qed_hwfn hwfns
[MAX_HWFNS_PER_DEVICE
];
417 struct qed_eth_stats
*reset_stats
;
418 struct qed_fw_data
*fw_data
;
422 /* Linux specific here */
423 struct qede_dev
*edev
;
424 struct pci_dev
*pdev
;
427 struct pci_params pci_params
;
429 struct qed_int_params int_params
;
432 #define IS_QED_ETH_IF(cdev) ((cdev)->protocol == QED_PROTOCOL_ETH)
434 /* Callbacks to protocol driver */
436 struct qed_common_cb_ops
*common
;
437 struct qed_eth_cb_ops
*eth
;
441 const struct firmware
*firmware
;
444 #define QED_GET_TYPE(dev) (((dev)->type & QED_DEV_TYPE_MASK) >> \
446 #define QED_IS_BB_A0(dev) (QED_GET_TYPE(dev) == QED_DEV_TYPE_BB_A0)
447 #define QED_IS_BB(dev) (QED_IS_BB_A0(dev))
449 #define NUM_OF_SBS(dev) MAX_SB_PER_PATH_BB
450 #define NUM_OF_ENG_PFS(dev) MAX_NUM_PFS_BB
453 * @brief qed_concrete_to_sw_fid - get the sw function id from
454 * the concrete value.
456 * @param concrete_fid
460 static inline u8
qed_concrete_to_sw_fid(struct qed_dev
*cdev
,
463 u8 pfid
= GET_FIELD(concrete_fid
, PXP_CONCRETE_FID_PFID
);
470 #define QED_LEADING_HWFN(dev) (&dev->hwfns[0])
472 /* Other Linux specific common definitions */
473 #define DP_NAME(cdev) ((cdev)->name)
475 #define REG_ADDR(cdev, offset) (void __iomem *)((u8 __iomem *)\
479 #define REG_RD(cdev, offset) readl(REG_ADDR(cdev, offset))
480 #define REG_WR(cdev, offset, val) writel((u32)val, REG_ADDR(cdev, offset))
481 #define REG_WR16(cdev, offset, val) writew((u16)val, REG_ADDR(cdev, offset))
483 #define DOORBELL(cdev, db_addr, val) \
484 writel((u32)val, (void __iomem *)((u8 __iomem *)\
485 (cdev->doorbells) + (db_addr)))
488 int qed_fill_dev_info(struct qed_dev
*cdev
,
489 struct qed_dev_info
*dev_info
);
490 void qed_link_update(struct qed_hwfn
*hwfn
);
491 u32
qed_unzip_data(struct qed_hwfn
*p_hwfn
,
492 u32 input_len
, u8
*input_buf
,
493 u32 max_size
, u8
*unzip_buf
);
495 int qed_slowpath_irq_req(struct qed_hwfn
*hwfn
);
497 #define QED_ETH_INTERFACE_VERSION 300