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[SCSI] lpfc 8.3.21: Debugfs additions 

- Add the driver debugfs framework for supporting debugfs read and write
  operations, and iDiag command structure.
- Add read and write to SLI4 device PCI config space registers.
- Add the driver support of debugfs PCI config space register bits set/clear
  methods to the provided bitmask.
- Add iDiag driver support for SLI4 device queue diagnostic.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
James Smart 2011-02-16 12:40:06 -05:00 committed by James Bottomley
parent ab56dc2e1d
commit 2a622bfbe1
5 changed files with 972 additions and 55 deletions
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6
drivers/scsi/lpfc/lpfc.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2010 Emulex. All rights reserved. *
* Copyright (C) 2004-2011 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -799,6 +799,10 @@ struct lpfc_hba {
struct dentry *debug_slow_ring_trc;
struct lpfc_debugfs_trc *slow_ring_trc;
atomic_t slow_ring_trc_cnt;
/* iDiag debugfs sub-directory */
struct dentry *idiag_root;
struct dentry *idiag_pci_cfg;
struct dentry *idiag_que_info;
#endif
/* Used for deferred freeing of ELS data buffers */

954
drivers/scsi/lpfc/lpfc_debugfs.c
View File

File diff suppressed because it is too large Load Diff

60
drivers/scsi/lpfc/lpfc_debugfs.h
View File

@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2007 Emulex. All rights reserved. *
* Copyright (C) 2007-2011 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@ -22,6 +22,44 @@
#define _H_LPFC_DEBUG_FS
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
/* size of output line, for discovery_trace and slow_ring_trace */
#define LPFC_DEBUG_TRC_ENTRY_SIZE 100
/* nodelist output buffer size */
#define LPFC_NODELIST_SIZE 8192
#define LPFC_NODELIST_ENTRY_SIZE 120
/* dumpHBASlim output buffer size */
#define LPFC_DUMPHBASLIM_SIZE 4096
/* dumpHostSlim output buffer size */
#define LPFC_DUMPHOSTSLIM_SIZE 4096
/* hbqinfo output buffer size */
#define LPFC_HBQINFO_SIZE 8192
/* rdPciConf output buffer size */
#define LPFC_PCI_CFG_SIZE 4096
#define LPFC_PCI_CFG_RD_BUF_SIZE (LPFC_PCI_CFG_SIZE/2)
#define LPFC_PCI_CFG_RD_SIZE (LPFC_PCI_CFG_SIZE/4)
/* queue info output buffer size */
#define LPFC_QUE_INFO_GET_BUF_SIZE 2048
#define SIZE_U8 sizeof(uint8_t)
#define SIZE_U16 sizeof(uint16_t)
#define SIZE_U32 sizeof(uint32_t)
struct lpfc_debug {
char *i_private;
char op;
#define LPFC_IDIAG_OP_RD 1
#define LPFC_IDIAG_OP_WR 2
char *buffer;
int len;
};
struct lpfc_debugfs_trc {
char *fmt;
uint32_t data1;
@ -30,6 +68,26 @@ struct lpfc_debugfs_trc {
uint32_t seq_cnt;
unsigned long jif;
};
struct lpfc_idiag_offset {
uint32_t last_rd;
};
#define LPFC_IDIAG_CMD_DATA_SIZE 4
struct lpfc_idiag_cmd {
uint32_t opcode;
#define LPFC_IDIAG_CMD_PCICFG_RD 0x00000001
#define LPFC_IDIAG_CMD_PCICFG_WR 0x00000002
#define LPFC_IDIAG_CMD_PCICFG_ST 0x00000003
#define LPFC_IDIAG_CMD_PCICFG_CL 0x00000004
uint32_t data[LPFC_IDIAG_CMD_DATA_SIZE];
};
struct lpfc_idiag {
uint32_t active;
struct lpfc_idiag_cmd cmd;
struct lpfc_idiag_offset offset;
};
#endif
/* Mask for discovery_trace */

5
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -10471,6 +10471,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
cq->type = type;
cq->subtype = subtype;
cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response);
cq->assoc_qid = eq->queue_id;
cq->host_index = 0;
cq->hba_index = 0;
@ -10665,6 +10666,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
goto out;
}
mq->type = LPFC_MQ;
mq->assoc_qid = cq->queue_id;
mq->subtype = subtype;
mq->host_index = 0;
mq->hba_index = 0;
@ -10752,6 +10754,7 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
goto out;
}
wq->type = LPFC_WQ;
wq->assoc_qid = cq->queue_id;
wq->subtype = subtype;
wq->host_index = 0;
wq->hba_index = 0;
@ -10869,6 +10872,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
goto out;
}
hrq->type = LPFC_HRQ;
hrq->assoc_qid = cq->queue_id;
hrq->subtype = subtype;
hrq->host_index = 0;
hrq->hba_index = 0;
@ -10929,6 +10933,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
goto out;
}
drq->type = LPFC_DRQ;
drq->assoc_qid = cq->queue_id;
drq->subtype = subtype;
drq->host_index = 0;
drq->hba_index = 0;

2
drivers/scsi/lpfc/lpfc_sli4.h
View File

@ -125,9 +125,9 @@ struct lpfc_queue {
uint32_t entry_count; /* Number of entries to support on the queue */
uint32_t entry_size; /* Size of each queue entry. */
uint32_t queue_id; /* Queue ID assigned by the hardware */
uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
struct list_head page_list;
uint32_t page_count; /* Number of pages allocated for this queue */
uint32_t host_index; /* The host's index for putting or getting */
uint32_t hba_index; /* The last known hba index for get or put */
union sli4_qe qe[1]; /* array to index entries (must be last) */