From c95d6c6c2b0a303a113fd468efce7430d5b20eac Mon Sep 17 00:00:00 2001 From: James Smart Date: Fri, 11 Jan 2008 01:53:23 -0500 Subject: [PATCH] [SCSI] lpfc 8.2.4 : Enhance debugfs use Enhance debugfs to dump HBA SLIM as well as Host SLIM Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc.h | 3 +- drivers/scsi/lpfc/lpfc_debugfs.c | 144 +++++++++++++++++++++++++------ 2 files changed, 122 insertions(+), 25 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 80719bb351..f26b9538af 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -578,7 +578,8 @@ struct lpfc_hba { struct dentry *hba_debugfs_root; atomic_t debugfs_vport_count; struct dentry *debug_hbqinfo; - struct dentry *debug_dumpslim; + struct dentry *debug_dumpHostSlim; + struct dentry *debug_dumpHBASlim; struct dentry *debug_slow_ring_trc; struct lpfc_debugfs_trc *slow_ring_trc; atomic_t slow_ring_trc_cnt; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index da607c775c..783d1eea13 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -43,6 +43,7 @@ #include "lpfc_crtn.h" #include "lpfc_vport.h" #include "lpfc_version.h" +#include "lpfc_compat.h" #include "lpfc_debugfs.h" #ifdef CONFIG_LPFC_DEBUG_FS @@ -75,18 +76,18 @@ module_param(lpfc_debugfs_enable, int, 0); MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); /* This MUST be a power of 2 */ -static int lpfc_debugfs_max_disc_trc = 0; +static int lpfc_debugfs_max_disc_trc; module_param(lpfc_debugfs_max_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, "Set debugfs discovery trace depth"); /* This MUST be a power of 2 */ -static int lpfc_debugfs_max_slow_ring_trc = 0; +static int lpfc_debugfs_max_slow_ring_trc; module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, "Set debugfs slow ring trace depth"); -static int lpfc_debugfs_mask_disc_trc = 0; +int lpfc_debugfs_mask_disc_trc; module_param(lpfc_debugfs_mask_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, "Set debugfs discovery trace mask"); @@ -100,8 +101,11 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, #define LPFC_NODELIST_SIZE 8192 #define LPFC_NODELIST_ENTRY_SIZE 120 -/* dumpslim output buffer size */ -#define LPFC_DUMPSLIM_SIZE 4096 +/* 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 @@ -298,18 +302,58 @@ skipit: return len; } +static int lpfc_debugfs_last_hba_slim_off; + +static int +lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) +{ + int len = 0; + int i, off; + uint32_t *ptr; + char buffer[1024]; + + off = 0; + spin_lock_irq(&phba->hbalock); + + len += snprintf(buf+len, size-len, "HBA SLIM\n"); + lpfc_memcpy_from_slim(buffer, + ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, + 1024); + + ptr = (uint32_t *)&buffer[0]; + off = lpfc_debugfs_last_hba_slim_off; + + /* Set it up for the next time */ + lpfc_debugfs_last_hba_slim_off += 1024; + if (lpfc_debugfs_last_hba_slim_off >= 4096) + lpfc_debugfs_last_hba_slim_off = 0; + + i = 1024; + while (i > 0) { + len += snprintf(buf+len, size-len, + "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", + off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), + *(ptr+5), *(ptr+6), *(ptr+7)); + ptr += 8; + i -= (8 * sizeof(uint32_t)); + off += (8 * sizeof(uint32_t)); + } + + spin_unlock_irq(&phba->hbalock); + return len; +} + static int -lpfc_debugfs_dumpslim_data(struct lpfc_hba *phba, char *buf, int size) +lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) { int len = 0; - int cnt, i, off; + int i, off; uint32_t word0, word1, word2, word3; uint32_t *ptr; struct lpfc_pgp *pgpp; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; - cnt = LPFC_DUMPSLIM_SIZE; off = 0; spin_lock_irq(&phba->hbalock); @@ -621,7 +665,7 @@ out: } static int -lpfc_debugfs_dumpslim_open(struct inode *inode, struct file *file) +lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) { struct lpfc_hba *phba = inode->i_private; struct lpfc_debug *debug; @@ -632,14 +676,41 @@ lpfc_debugfs_dumpslim_open(struct inode *inode, struct file *file) goto out; /* Round to page boundry */ - debug->buffer = kmalloc(LPFC_DUMPSLIM_SIZE, GFP_KERNEL); + debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); goto out; } - debug->len = lpfc_debugfs_dumpslim_data(phba, debug->buffer, - LPFC_DUMPSLIM_SIZE); + debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, + LPFC_DUMPHBASLIM_SIZE); + file->private_data = debug; + + rc = 0; +out: + return rc; +} + +static int +lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) +{ + struct lpfc_hba *phba = inode->i_private; + struct lpfc_debug *debug; + int rc = -ENOMEM; + + debug = kmalloc(sizeof(*debug), GFP_KERNEL); + if (!debug) + goto out; + + /* Round to page boundry */ + debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); + if (!debug->buffer) { + kfree(debug); + goto out; + } + + debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, + LPFC_DUMPHOSTSLIM_SIZE); file->private_data = debug; rc = 0; @@ -742,10 +813,19 @@ static struct file_operations lpfc_debugfs_op_hbqinfo = { .release = lpfc_debugfs_release, }; -#undef lpfc_debugfs_op_dumpslim -static struct file_operations lpfc_debugfs_op_dumpslim = { +#undef lpfc_debugfs_op_dumpHBASlim +static struct file_operations lpfc_debugfs_op_dumpHBASlim = { + .owner = THIS_MODULE, + .open = lpfc_debugfs_dumpHBASlim_open, + .llseek = lpfc_debugfs_lseek, + .read = lpfc_debugfs_read, + .release = lpfc_debugfs_release, +}; + +#undef lpfc_debugfs_op_dumpHostSlim +static struct file_operations lpfc_debugfs_op_dumpHostSlim = { .owner = THIS_MODULE, - .open = lpfc_debugfs_dumpslim_open, + .open = lpfc_debugfs_dumpHostSlim_open, .llseek = lpfc_debugfs_lseek, .read = lpfc_debugfs_read, .release = lpfc_debugfs_release, @@ -813,15 +893,27 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) goto debug_failed; } - /* Setup dumpslim */ - snprintf(name, sizeof(name), "dumpslim"); - phba->debug_dumpslim = + /* Setup dumpHBASlim */ + snprintf(name, sizeof(name), "dumpHBASlim"); + phba->debug_dumpHBASlim = debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, phba->hba_debugfs_root, - phba, &lpfc_debugfs_op_dumpslim); - if (!phba->debug_dumpslim) { + phba, &lpfc_debugfs_op_dumpHBASlim); + if (!phba->debug_dumpHBASlim) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs dumpslim\n"); + "0409 Cannot create debugfs dumpHBASlim\n"); + goto debug_failed; + } + + /* Setup dumpHostSlim */ + snprintf(name, sizeof(name), "dumpHostSlim"); + phba->debug_dumpHostSlim = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dumpHostSlim); + if (!phba->debug_dumpHostSlim) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0409 Cannot create debugfs dumpHostSlim\n"); goto debug_failed; } @@ -971,9 +1063,13 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ phba->debug_hbqinfo = NULL; } - if (phba->debug_dumpslim) { - debugfs_remove(phba->debug_dumpslim); /* dumpslim */ - phba->debug_dumpslim = NULL; + if (phba->debug_dumpHBASlim) { + debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ + phba->debug_dumpHBASlim = NULL; + } + if (phba->debug_dumpHostSlim) { + debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ + phba->debug_dumpHostSlim = NULL; } if (phba->slow_ring_trc) { kfree(phba->slow_ring_trc); -- 2.39.5