diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-15 16:51:54 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-15 16:51:54 -0700 |
commit | bc06cffdec85d487c77109dffcd2f285bdc502d3 (patch) | |
tree | adc6e6398243da87e66c56102840597a329183a0 /drivers/scsi/lpfc/lpfc_mem.c | |
parent | d3502d7f25b22cfc9762bf1781faa9db1bb3be2e (diff) | |
parent | 9413d7b8aa777dd1fc7db9563ce5e80d769fe7b5 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits)
[SCSI] ibmvscsi: convert to use the data buffer accessors
[SCSI] dc395x: convert to use the data buffer accessors
[SCSI] ncr53c8xx: convert to use the data buffer accessors
[SCSI] sym53c8xx: convert to use the data buffer accessors
[SCSI] ppa: coding police and printk levels
[SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc
[SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c
[SCSI] remove the dead CYBERSTORMIII_SCSI option
[SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA
[SCSI] Clean up scsi_add_lun a bit
[SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs
[SCSI] sni_53c710: Cleanup
[SCSI] qla4xxx: Fix underrun/overrun conditions
[SCSI] megaraid_mbox: use mutex instead of semaphore
[SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation.
[SCSI] qla2xxx: update version to 8.02.00-k1.
[SCSI] qla2xxx: add support for NPIV
[SCSI] stex: use resid for xfer len information
[SCSI] Add Brownie 1200U3P to blacklist
[SCSI] scsi.c: convert to use the data buffer accessors
...
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_mem.c')
-rw-r--r-- | drivers/scsi/lpfc/lpfc_mem.c | 101 |
1 files changed, 97 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index ec3bbbde6f7..3594c469494 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2005 Emulex. All rights reserved. * + * Copyright (C) 2004-2006 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -38,10 +38,13 @@ #define LPFC_MBUF_POOL_SIZE 64 /* max elements in MBUF safety pool */ #define LPFC_MEM_POOL_SIZE 64 /* max elem in non-DMA safety pool */ + + int lpfc_mem_alloc(struct lpfc_hba * phba) { struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + int longs; int i; phba->lpfc_scsi_dma_buf_pool = pci_pool_create("lpfc_scsi_dma_buf_pool", @@ -80,10 +83,27 @@ lpfc_mem_alloc(struct lpfc_hba * phba) if (!phba->nlp_mem_pool) goto fail_free_mbox_pool; + phba->lpfc_hbq_pool = pci_pool_create("lpfc_hbq_pool",phba->pcidev, + LPFC_BPL_SIZE, 8, 0); + if (!phba->lpfc_hbq_pool) + goto fail_free_nlp_mem_pool; + + /* vpi zero is reserved for the physical port so add 1 to max */ + longs = ((phba->max_vpi + 1) + BITS_PER_LONG - 1) / BITS_PER_LONG; + phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), GFP_KERNEL); + if (!phba->vpi_bmask) + goto fail_free_hbq_pool; + return 0; + fail_free_hbq_pool: + lpfc_sli_hbqbuf_free_all(phba); + fail_free_nlp_mem_pool: + mempool_destroy(phba->nlp_mem_pool); + phba->nlp_mem_pool = NULL; fail_free_mbox_pool: mempool_destroy(phba->mbox_mem_pool); + phba->mbox_mem_pool = NULL; fail_free_mbuf_pool: while (i--) pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, @@ -91,8 +111,10 @@ lpfc_mem_alloc(struct lpfc_hba * phba) kfree(pool->elements); fail_free_lpfc_mbuf_pool: pci_pool_destroy(phba->lpfc_mbuf_pool); + phba->lpfc_mbuf_pool = NULL; fail_free_dma_buf_pool: pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); + phba->lpfc_scsi_dma_buf_pool = NULL; fail: return -ENOMEM; } @@ -106,6 +128,9 @@ lpfc_mem_free(struct lpfc_hba * phba) struct lpfc_dmabuf *mp; int i; + kfree(phba->vpi_bmask); + lpfc_sli_hbqbuf_free_all(phba); + list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq, list) { mp = (struct lpfc_dmabuf *) (mbox->context1); if (mp) { @@ -115,6 +140,15 @@ lpfc_mem_free(struct lpfc_hba * phba) list_del(&mbox->list); mempool_free(mbox, phba->mbox_mem_pool); } + list_for_each_entry_safe(mbox, next_mbox, &psli->mboxq_cmpl, list) { + mp = (struct lpfc_dmabuf *) (mbox->context1); + if (mp) { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + list_del(&mbox->list); + mempool_free(mbox, phba->mbox_mem_pool); + } psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; if (psli->mbox_active) { @@ -132,13 +166,21 @@ lpfc_mem_free(struct lpfc_hba * phba) pci_pool_free(phba->lpfc_mbuf_pool, pool->elements[i].virt, pool->elements[i].phys); kfree(pool->elements); + + pci_pool_destroy(phba->lpfc_hbq_pool); mempool_destroy(phba->nlp_mem_pool); mempool_destroy(phba->mbox_mem_pool); pci_pool_destroy(phba->lpfc_scsi_dma_buf_pool); pci_pool_destroy(phba->lpfc_mbuf_pool); - /* Free the iocb lookup array */ + phba->lpfc_hbq_pool = NULL; + phba->nlp_mem_pool = NULL; + phba->mbox_mem_pool = NULL; + phba->lpfc_scsi_dma_buf_pool = NULL; + phba->lpfc_mbuf_pool = NULL; + + /* Free the iocb lookup array */ kfree(psli->iocbq_lookup); psli->iocbq_lookup = NULL; @@ -148,20 +190,23 @@ void * lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) { struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; + unsigned long iflags; void *ret; ret = pci_pool_alloc(phba->lpfc_mbuf_pool, GFP_KERNEL, handle); - if (!ret && ( mem_flags & MEM_PRI) && pool->current_count) { + spin_lock_irqsave(&phba->hbalock, iflags); + if (!ret && (mem_flags & MEM_PRI) && pool->current_count) { pool->current_count--; ret = pool->elements[pool->current_count].virt; *handle = pool->elements[pool->current_count].phys; } + spin_unlock_irqrestore(&phba->hbalock, iflags); return ret; } void -lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) +__lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) { struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool; @@ -174,3 +219,51 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) } return; } + +void +lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma) +{ + unsigned long iflags; + + spin_lock_irqsave(&phba->hbalock, iflags); + __lpfc_mbuf_free(phba, virt, dma); + spin_unlock_irqrestore(&phba->hbalock, iflags); + return; +} + +void * +lpfc_hbq_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle) +{ + void *ret; + ret = pci_pool_alloc(phba->lpfc_hbq_pool, GFP_ATOMIC, handle); + return ret; +} + +void +lpfc_hbq_free(struct lpfc_hba *phba, void *virt, dma_addr_t dma) +{ + pci_pool_free(phba->lpfc_hbq_pool, virt, dma); + return; +} + +void +lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp) +{ + struct hbq_dmabuf *hbq_entry; + + if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf); + if (hbq_entry->tag == -1) { + lpfc_hbq_free(phba, hbq_entry->dbuf.virt, + hbq_entry->dbuf.phys); + kfree(hbq_entry); + } else { + lpfc_sli_free_hbq(phba, hbq_entry); + } + } else { + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + return; +} + |