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authorJames Smart <James.Smart@Emulex.Com>2009-05-22 14:51:39 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-06-08 12:21:29 -0400
commitda0436e915a5c17ee79e72c1bf978a4ebb1cbf4d (patch)
tree7784646b7627117fa7849a901c85294fae905505 /drivers/scsi/lpfc/lpfc_sli4.h
parent3772a99175f5378b5001e8da364341a8b8226a4a (diff)
[SCSI] lpfc 8.3.2 : Addition of SLI4 Interface - Base Support
Adds new hardware and interface definitions. Adds new interface routines - utilizing the reorganized layout of the driver. Adds SLI-4 specific functions for attachment, initialization, teardown, etc. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli4.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h467
1 files changed, 467 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
new file mode 100644
index 000000000000..5196b46608d7
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -0,0 +1,467 @@
1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2009 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * *
8 * This program is free software; you can redistribute it and/or *
9 * modify it under the terms of version 2 of the GNU General *
10 * Public License as published by the Free Software Foundation. *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID. See the GNU General Public License for *
17 * more details, a copy of which can be found in the file COPYING *
18 * included with this package. *
19 *******************************************************************/
20
21#define LPFC_ACTIVE_MBOX_WAIT_CNT 100
22#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
23#define LPFC_GET_QE_REL_INT 32
24#define LPFC_RPI_LOW_WATER_MARK 10
25/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
26#define LPFC_NEMBED_MBOX_SGL_CNT 254
27
28/* Multi-queue arrangement for fast-path FCP work queues */
29#define LPFC_FN_EQN_MAX 8
30#define LPFC_SP_EQN_DEF 1
31#define LPFC_FP_EQN_DEF 1
32#define LPFC_FP_EQN_MIN 1
33#define LPFC_FP_EQN_MAX (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
34
35#define LPFC_FN_WQN_MAX 32
36#define LPFC_SP_WQN_DEF 1
37#define LPFC_FP_WQN_DEF 4
38#define LPFC_FP_WQN_MIN 1
39#define LPFC_FP_WQN_MAX (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
40
41/*
42 * Provide the default FCF Record attributes used by the driver
43 * when nonFIP mode is configured and there is no other default
44 * FCF Record attributes.
45 */
46#define LPFC_FCOE_FCF_DEF_INDEX 0
47#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
48#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
49
50/* First 3 bytes of default FCF MAC is specified by FC_MAP */
51#define LPFC_FCOE_FCF_MAC3 0xFF
52#define LPFC_FCOE_FCF_MAC4 0xFF
53#define LPFC_FCOE_FCF_MAC5 0xFE
54#define LPFC_FCOE_FCF_MAP0 0x0E
55#define LPFC_FCOE_FCF_MAP1 0xFC
56#define LPFC_FCOE_FCF_MAP2 0x00
57#define LPFC_FCOE_MAX_RCV_SIZE 0x5AC
58#define LPFC_FCOE_FKA_ADV_PER 0
59#define LPFC_FCOE_FIP_PRIORITY 0x80
60
61enum lpfc_sli4_queue_type {
62 LPFC_EQ,
63 LPFC_GCQ,
64 LPFC_MCQ,
65 LPFC_WCQ,
66 LPFC_RCQ,
67 LPFC_MQ,
68 LPFC_WQ,
69 LPFC_HRQ,
70 LPFC_DRQ
71};
72
73/* The queue sub-type defines the functional purpose of the queue */
74enum lpfc_sli4_queue_subtype {
75 LPFC_NONE,
76 LPFC_MBOX,
77 LPFC_FCP,
78 LPFC_ELS,
79 LPFC_USOL
80};
81
82union sli4_qe {
83 void *address;
84 struct lpfc_eqe *eqe;
85 struct lpfc_cqe *cqe;
86 struct lpfc_mcqe *mcqe;
87 struct lpfc_wcqe_complete *wcqe_complete;
88 struct lpfc_wcqe_release *wcqe_release;
89 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
90 struct lpfc_rcqe_complete *rcqe_complete;
91 struct lpfc_mqe *mqe;
92 union lpfc_wqe *wqe;
93 struct lpfc_rqe *rqe;
94};
95
96struct lpfc_queue {
97 struct list_head list;
98 enum lpfc_sli4_queue_type type;
99 enum lpfc_sli4_queue_subtype subtype;
100 struct lpfc_hba *phba;
101 struct list_head child_list;
102 uint32_t entry_count; /* Number of entries to support on the queue */
103 uint32_t entry_size; /* Size of each queue entry. */
104 uint32_t queue_id; /* Queue ID assigned by the hardware */
105 struct list_head page_list;
106 uint32_t page_count; /* Number of pages allocated for this queue */
107
108 uint32_t host_index; /* The host's index for putting or getting */
109 uint32_t hba_index; /* The last known hba index for get or put */
110 union sli4_qe qe[1]; /* array to index entries (must be last) */
111};
112
113struct lpfc_cq_event {
114 struct list_head list;
115 union {
116 struct lpfc_mcqe mcqe_cmpl;
117 struct lpfc_acqe_link acqe_link;
118 struct lpfc_acqe_fcoe acqe_fcoe;
119 struct lpfc_acqe_dcbx acqe_dcbx;
120 struct lpfc_rcqe rcqe_cmpl;
121 struct sli4_wcqe_xri_aborted wcqe_axri;
122 } cqe;
123};
124
125struct lpfc_sli4_link {
126 uint8_t speed;
127 uint8_t duplex;
128 uint8_t status;
129 uint8_t physical;
130 uint8_t fault;
131};
132
133struct lpfc_fcf {
134 uint8_t fabric_name[8];
135 uint8_t mac_addr[6];
136 uint16_t fcf_indx;
137 uint16_t fcfi;
138 uint32_t fcf_flag;
139#define FCF_AVAILABLE 0x01 /* FCF available for discovery */
140#define FCF_REGISTERED 0x02 /* FCF registered with FW */
141#define FCF_DISCOVERED 0x04 /* FCF discovery started */
142#define FCF_BOOT_ENABLE 0x08 /* Boot bios use this FCF */
143#define FCF_IN_USE 0x10 /* Atleast one discovery completed */
144#define FCF_VALID_VLAN 0x20 /* Use the vlan id specified */
145 uint32_t priority;
146 uint32_t addr_mode;
147 uint16_t vlan_id;
148};
149
150#define LPFC_REGION23_SIGNATURE "RG23"
151#define LPFC_REGION23_VERSION 1
152#define LPFC_REGION23_LAST_REC 0xff
153struct lpfc_fip_param_hdr {
154 uint8_t type;
155#define FCOE_PARAM_TYPE 0xA0
156 uint8_t length;
157#define FCOE_PARAM_LENGTH 2
158 uint8_t parm_version;
159#define FIPP_VERSION 0x01
160 uint8_t parm_flags;
161#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
162#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
163#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
164#define FIPP_MODE_ON 0x2
165#define FIPP_MODE_OFF 0x0
166#define FIPP_VLAN_VALID 0x1
167};
168
169struct lpfc_fcoe_params {
170 uint8_t fc_map[3];
171 uint8_t reserved1;
172 uint16_t vlan_tag;
173 uint8_t reserved[2];
174};
175
176struct lpfc_fcf_conn_hdr {
177 uint8_t type;
178#define FCOE_CONN_TBL_TYPE 0xA1
179 uint8_t length; /* words */
180 uint8_t reserved[2];
181};
182
183struct lpfc_fcf_conn_rec {
184 uint16_t flags;
185#define FCFCNCT_VALID 0x0001
186#define FCFCNCT_BOOT 0x0002
187#define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
188#define FCFCNCT_FBNM_VALID 0x0008
189#define FCFCNCT_SWNM_VALID 0x0010
190#define FCFCNCT_VLAN_VALID 0x0020
191#define FCFCNCT_AM_VALID 0x0040
192#define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
193#define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
194
195 uint16_t vlan_tag;
196 uint8_t fabric_name[8];
197 uint8_t switch_name[8];
198};
199
200struct lpfc_fcf_conn_entry {
201 struct list_head list;
202 struct lpfc_fcf_conn_rec conn_rec;
203};
204
205/*
206 * Define the host's bootstrap mailbox. This structure contains
207 * the member attributes needed to create, use, and destroy the
208 * bootstrap mailbox region.
209 *
210 * The macro definitions for the bmbx data structure are defined
211 * in lpfc_hw4.h with the register definition.
212 */
213struct lpfc_bmbx {
214 struct lpfc_dmabuf *dmabuf;
215 struct dma_address dma_address;
216 void *avirt;
217 dma_addr_t aphys;
218 uint32_t bmbx_size;
219};
220
221#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
222
223#define LPFC_EQE_SIZE_4B 4
224#define LPFC_EQE_SIZE_16B 16
225#define LPFC_CQE_SIZE 16
226#define LPFC_WQE_SIZE 64
227#define LPFC_MQE_SIZE 256
228#define LPFC_RQE_SIZE 8
229
230#define LPFC_EQE_DEF_COUNT 1024
231#define LPFC_CQE_DEF_COUNT 256
232#define LPFC_WQE_DEF_COUNT 64
233#define LPFC_MQE_DEF_COUNT 16
234#define LPFC_RQE_DEF_COUNT 512
235
236#define LPFC_QUEUE_NOARM false
237#define LPFC_QUEUE_REARM true
238
239
240/*
241 * SLI4 CT field defines
242 */
243#define SLI4_CT_RPI 0
244#define SLI4_CT_VPI 1
245#define SLI4_CT_VFI 2
246#define SLI4_CT_FCFI 3
247
248#define LPFC_SLI4_MAX_SEGMENT_SIZE 0x10000
249
250/*
251 * SLI4 specific data structures
252 */
253struct lpfc_max_cfg_param {
254 uint16_t max_xri;
255 uint16_t xri_base;
256 uint16_t xri_used;
257 uint16_t max_rpi;
258 uint16_t rpi_base;
259 uint16_t rpi_used;
260 uint16_t max_vpi;
261 uint16_t vpi_base;
262 uint16_t vpi_used;
263 uint16_t max_vfi;
264 uint16_t vfi_base;
265 uint16_t vfi_used;
266 uint16_t max_fcfi;
267 uint16_t fcfi_base;
268 uint16_t fcfi_used;
269 uint16_t max_eq;
270 uint16_t max_rq;
271 uint16_t max_cq;
272 uint16_t max_wq;
273};
274
275struct lpfc_hba;
276/* SLI4 HBA multi-fcp queue handler struct */
277struct lpfc_fcp_eq_hdl {
278 uint32_t idx;
279 struct lpfc_hba *phba;
280};
281
282/* SLI4 HBA data structure entries */
283struct lpfc_sli4_hba {
284 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
285 PCI BAR0, config space registers */
286 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
287 PCI BAR1, control registers */
288 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
289 PCI BAR2, doorbell registers */
290 /* BAR0 PCI config space register memory map */
291 void __iomem *UERRLOregaddr; /* Address to UERR_STATUS_LO register */
292 void __iomem *UERRHIregaddr; /* Address to UERR_STATUS_HI register */
293 void __iomem *ONLINE0regaddr; /* Address to components of internal UE */
294 void __iomem *ONLINE1regaddr; /* Address to components of internal UE */
295#define LPFC_ONLINE_NERR 0xFFFFFFFF
296 void __iomem *SCRATCHPADregaddr; /* Address to scratchpad register */
297 /* BAR1 FCoE function CSR register memory map */
298 void __iomem *STAregaddr; /* Address to HST_STATE register */
299 void __iomem *ISRregaddr; /* Address to HST_ISR register */
300 void __iomem *IMRregaddr; /* Address to HST_IMR register */
301 void __iomem *ISCRregaddr; /* Address to HST_ISCR register */
302 /* BAR2 VF-0 doorbell register memory map */
303 void __iomem *RQDBregaddr; /* Address to RQ_DOORBELL register */
304 void __iomem *WQDBregaddr; /* Address to WQ_DOORBELL register */
305 void __iomem *EQCQDBregaddr; /* Address to EQCQ_DOORBELL register */
306 void __iomem *MQDBregaddr; /* Address to MQ_DOORBELL register */
307 void __iomem *BMBXregaddr; /* Address to BootStrap MBX register */
308
309 struct msix_entry *msix_entries;
310 uint32_t cfg_eqn;
311 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
312 /* Pointers to the constructed SLI4 queues */
313 struct lpfc_queue **fp_eq; /* Fast-path event queue */
314 struct lpfc_queue *sp_eq; /* Slow-path event queue */
315 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
316 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
317 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
318 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
319 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
320 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
321 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
322 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
323 struct lpfc_queue *rxq_cq; /* Slow-path unsolicited complete queue */
324
325 /* Setup information for various queue parameters */
326 int eq_esize;
327 int eq_ecount;
328 int cq_esize;
329 int cq_ecount;
330 int wq_esize;
331 int wq_ecount;
332 int mq_esize;
333 int mq_ecount;
334 int rq_esize;
335 int rq_ecount;
336#define LPFC_SP_EQ_MAX_INTR_SEC 10000
337#define LPFC_FP_EQ_MAX_INTR_SEC 10000
338
339 uint32_t intr_enable;
340 struct lpfc_bmbx bmbx;
341 struct lpfc_max_cfg_param max_cfg_param;
342 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
343 uint16_t next_rpi;
344 uint16_t scsi_xri_max;
345 uint16_t scsi_xri_cnt;
346 struct list_head lpfc_free_sgl_list;
347 struct list_head lpfc_sgl_list;
348 struct lpfc_sglq **lpfc_els_sgl_array;
349 struct list_head lpfc_abts_els_sgl_list;
350 struct lpfc_scsi_buf **lpfc_scsi_psb_array;
351 struct list_head lpfc_abts_scsi_buf_list;
352 uint32_t total_sglq_bufs;
353 struct lpfc_sglq **lpfc_sglq_active_list;
354 struct list_head lpfc_rpi_hdr_list;
355 unsigned long *rpi_bmask;
356 uint16_t rpi_count;
357 struct lpfc_sli4_flags sli4_flags;
358 struct list_head sp_rspiocb_work_queue;
359 struct list_head sp_cqe_event_pool;
360 struct list_head sp_asynce_work_queue;
361 struct list_head sp_fcp_xri_aborted_work_queue;
362 struct list_head sp_els_xri_aborted_work_queue;
363 struct list_head sp_unsol_work_queue;
364 struct lpfc_sli4_link link_state;
365 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
366 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
367};
368
369enum lpfc_sge_type {
370 GEN_BUFF_TYPE,
371 SCSI_BUFF_TYPE
372};
373
374struct lpfc_sglq {
375 /* lpfc_sglqs are used in double linked lists */
376 struct list_head list;
377 struct list_head clist;
378 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
379 uint16_t iotag; /* pre-assigned IO tag */
380 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
381 struct sli4_sge *sgl; /* pre-assigned SGL */
382 void *virt; /* virtual address. */
383 dma_addr_t phys; /* physical address */
384};
385
386struct lpfc_rpi_hdr {
387 struct list_head list;
388 uint32_t len;
389 struct lpfc_dmabuf *dmabuf;
390 uint32_t page_count;
391 uint32_t start_rpi;
392};
393
394/*
395 * SLI4 specific function prototypes
396 */
397int lpfc_pci_function_reset(struct lpfc_hba *);
398int lpfc_sli4_hba_setup(struct lpfc_hba *);
399int lpfc_sli4_hba_down(struct lpfc_hba *);
400int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
401 uint8_t, uint32_t, bool);
402void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
403void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
404void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
405 struct lpfc_mbx_sge *);
406
407void lpfc_sli4_hba_reset(struct lpfc_hba *);
408struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
409 uint32_t);
410void lpfc_sli4_queue_free(struct lpfc_queue *);
411uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
412uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
413 struct lpfc_queue *, uint32_t, uint32_t);
414uint32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
415 struct lpfc_queue *, uint32_t);
416uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
417 struct lpfc_queue *, uint32_t);
418uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
419 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
420uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
421uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
422uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
423uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
424uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
425 struct lpfc_queue *);
426int lpfc_sli4_queue_setup(struct lpfc_hba *);
427void lpfc_sli4_queue_unset(struct lpfc_hba *);
428int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
429int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
430int lpfc_sli4_remove_all_sgl_pages(struct lpfc_hba *);
431uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
432int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
433int lpfc_sli4_post_sgl_list(struct lpfc_hba *phba);
434int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
435struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
436struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
437void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
438void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
439int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
440int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
441int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
442struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
443void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
444int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
445void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
446void lpfc_sli4_remove_rpis(struct lpfc_hba *);
447void lpfc_sli4_async_event_proc(struct lpfc_hba *);
448int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
449void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
450void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
451void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
452 struct sli4_wcqe_xri_aborted *);
453void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
454 struct sli4_wcqe_xri_aborted *);
455int lpfc_sli4_brdreset(struct lpfc_hba *);
456int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
457void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
458int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
459int lpfc_sli4_init_vpi(struct lpfc_hba *, uint16_t);
460uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
461uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
462void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
463int lpfc_sli4_read_fcf_record(struct lpfc_hba *, uint16_t);
464void lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *, LPFC_MBOXQ_t *);
465int lpfc_sli4_post_status_check(struct lpfc_hba *);
466uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
467
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-31 21:02:31 -0500