/*******************************************************************
* 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 *
#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",
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);
+ pci_pool_destroy(phba->lpfc_hbq_pool);
+ 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,
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;
}
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) {
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) {
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;
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;
}
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;
+}
+
+struct hbq_dmabuf *
+lpfc_els_hbq_alloc(struct lpfc_hba *phba)
+{
+ struct hbq_dmabuf *hbqbp;
+
+ hbqbp = kmalloc(sizeof(struct hbq_dmabuf), GFP_KERNEL);
+ if (!hbqbp)
+ return NULL;
+
+ hbqbp->dbuf.virt = pci_pool_alloc(phba->lpfc_hbq_pool, GFP_KERNEL,
+ &hbqbp->dbuf.phys);
+ if (!hbqbp->dbuf.virt) {
+ kfree(hbqbp);
+ return NULL;
+ }
+ hbqbp->size = LPFC_BPL_SIZE;
+ return hbqbp;
+}
+
+void
+lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
+{
+ pci_pool_free(phba->lpfc_hbq_pool, hbqbp->dbuf.virt, hbqbp->dbuf.phys);
+ kfree(hbqbp);
+ return;
+}
+
+/* This is ONLY called for the LPFC_ELS_HBQ */
+void
+lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
+{
+ struct hbq_dmabuf *hbq_entry;
+ unsigned long flags;
+
+ if (!mp)
+ return;
+
+ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
+ /* Check whether HBQ is still in use */
+ spin_lock_irqsave(&phba->hbalock, flags);
+ if (!phba->hbq_in_use) {
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ return;
+ }
+ hbq_entry = container_of(mp, struct hbq_dmabuf, dbuf);
+ list_del(&hbq_entry->dbuf.list);
+ if (hbq_entry->tag == -1) {
+ (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
+ (phba, hbq_entry);
+ } else {
+ lpfc_sli_free_hbq(phba, hbq_entry);
+ }
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ } else {
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ }
+ return;
+}
projects / linux-2.6-omap-h63xx.git / blobdiff