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[SCSI] lpfc 8.3.11: SLI4 Improvements 

- Correct all SLI4 code to work on big endian systems.
- Move read of sli4 params earlier so returned values are used correctly.

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 2010-03-15 11:25:07 -04:00 committed by James Bottomley
parent 999d813f22
commit cb5172eafd
4 changed files with 69 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -1622,7 +1622,9 @@ lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
new_fcf_record = (struct fcf_record *)(virt_addr +
sizeof(struct lpfc_mbx_read_fcf_tbl));
lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
sizeof(struct fcf_record));
offsetof(struct fcf_record, vlan_bitmap));
new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137);
new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138);
return new_fcf_record;
}

7
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -41,8 +41,14 @@
* Or clear that bit field:
* bf_set(example_bit_field, &t1, 0);
*/
#define bf_get_le32(name, ptr) \
((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
#define bf_get(name, ptr) \
(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
#define bf_set_le32(name, ptr, value) \
((ptr)->name##_WORD = cpu_to_le32(((((value) & \
name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
~(name##_MASK << name##_SHIFT)))))
#define bf_set(name, ptr, value) \
((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
@ -1940,6 +1946,7 @@ struct lpfc_mbx_sli4_params {
#define rdma_MASK 0x00000001
#define rdma_WORD word3
uint32_t sge_supp_len;
#define SLI4_PAGE_SIZE 4096
uint32_t word5;
#define if_page_sz_SHIFT 0
#define if_page_sz_MASK 0x0000ffff

76
drivers/scsi/lpfc/lpfc_init.c
View File

@ -2566,7 +2566,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
shost->max_cmd_len = 16;
if (phba->sli_rev == LPFC_SLI_REV4) {
shost->dma_boundary =
phba->sli4_hba.pc_sli4_params.sge_supp_len;
phba->sli4_hba.pc_sli4_params.sge_supp_len-1;
shost->sg_tablesize = phba->cfg_sg_seg_cnt;
}
@ -4039,6 +4039,43 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
if (unlikely(rc))
goto out_free_bsmbx;
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!mboxq) {
rc = -ENOMEM;
goto out_free_bsmbx;
}
/* Get the Supported Pages. It is always available. */
lpfc_supported_pages(mboxq);
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
if (unlikely(rc)) {
rc = -EIO;
mempool_free(mboxq, phba->mbox_mem_pool);
goto out_free_bsmbx;
}
mqe = &mboxq->u.mqe;
memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
LPFC_MAX_SUPPORTED_PAGES);
for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
switch (pn_page[i]) {
case LPFC_SLI4_PARAMETERS:
phba->sli4_hba.pc_sli4_params.supported = 1;
break;
default:
break;
}
}
/* Read the port's SLI4 Parameters capabilities if supported. */
if (phba->sli4_hba.pc_sli4_params.supported)
rc = lpfc_pc_sli4_params_get(phba, mboxq);
mempool_free(mboxq, phba->mbox_mem_pool);
if (rc) {
rc = -EIO;
goto out_free_bsmbx;
}
/* Create all the SLI4 queues */
rc = lpfc_sli4_queue_create(phba);
if (rc)
@ -4099,43 +4136,6 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
goto out_free_fcp_eq_hdl;
}
mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
GFP_KERNEL);
if (!mboxq) {
rc = -ENOMEM;
goto out_free_fcp_eq_hdl;
}
/* Get the Supported Pages. It is always available. */
lpfc_supported_pages(mboxq);
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
if (unlikely(rc)) {
rc = -EIO;
mempool_free(mboxq, phba->mbox_mem_pool);
goto out_free_fcp_eq_hdl;
}
mqe = &mboxq->u.mqe;
memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
LPFC_MAX_SUPPORTED_PAGES);
for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
switch (pn_page[i]) {
case LPFC_SLI4_PARAMETERS:
phba->sli4_hba.pc_sli4_params.supported = 1;
break;
default:
break;
}
}
/* Read the port's SLI4 Parameters capabilities if supported. */
if (phba->sli4_hba.pc_sli4_params.supported)
rc = lpfc_pc_sli4_params_get(phba, mboxq);
mempool_free(mboxq, phba->mbox_mem_pool);
if (rc) {
rc = -EIO;
goto out_free_fcp_eq_hdl;
}
return rc;
out_free_fcp_eq_hdl:

37
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -212,7 +212,7 @@ lpfc_sli4_eq_get(struct lpfc_queue *q)
struct lpfc_eqe *eqe = q->qe[q->hba_index].eqe;
/* If the next EQE is not valid then we are done */
if (!bf_get(lpfc_eqe_valid, eqe))
if (!bf_get_le32(lpfc_eqe_valid, eqe))
return NULL;
/* If the host has not yet processed the next entry then we are done */
if (((q->hba_index + 1) % q->entry_count) == q->host_index)
@ -247,7 +247,7 @@ lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm)
/* while there are valid entries */
while (q->hba_index != q->host_index) {
temp_eqe = q->qe[q->host_index].eqe;
bf_set(lpfc_eqe_valid, temp_eqe, 0);
bf_set_le32(lpfc_eqe_valid, temp_eqe, 0);
released++;
q->host_index = ((q->host_index + 1) % q->entry_count);
}
@ -285,7 +285,7 @@ lpfc_sli4_cq_get(struct lpfc_queue *q)
struct lpfc_cqe *cqe;
/* If the next CQE is not valid then we are done */
if (!bf_get(lpfc_cqe_valid, q->qe[q->hba_index].cqe))
if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe))
return NULL;
/* If the host has not yet processed the next entry then we are done */
if (((q->hba_index + 1) % q->entry_count) == q->host_index)
@ -321,7 +321,7 @@ lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm)
/* while there are valid entries */
while (q->hba_index != q->host_index) {
temp_qe = q->qe[q->host_index].cqe;
bf_set(lpfc_cqe_valid, temp_qe, 0);
bf_set_le32(lpfc_cqe_valid, temp_qe, 0);
released++;
q->host_index = ((q->host_index + 1) % q->entry_count);
}
@ -8983,17 +8983,17 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
int ecount = 0;
uint16_t cqid;
if (bf_get(lpfc_eqe_major_code, eqe) != 0) {
if (bf_get_le32(lpfc_eqe_major_code, eqe) != 0) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0359 Not a valid slow-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
bf_get(lpfc_eqe_major_code, eqe),
bf_get(lpfc_eqe_minor_code, eqe));
bf_get_le32(lpfc_eqe_major_code, eqe),
bf_get_le32(lpfc_eqe_minor_code, eqe));
return;
}
/* Get the reference to the corresponding CQ */
cqid = bf_get(lpfc_eqe_resource_id, eqe);
cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
/* Search for completion queue pointer matching this cqid */
speq = phba->sli4_hba.sp_eq;
@ -9221,12 +9221,12 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
uint16_t cqid;
int ecount = 0;
if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0)) {
if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0366 Not a valid fast-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
bf_get(lpfc_eqe_major_code, eqe),
bf_get(lpfc_eqe_minor_code, eqe));
bf_get_le32(lpfc_eqe_major_code, eqe),
bf_get_le32(lpfc_eqe_minor_code, eqe));
return;
}
@ -9239,7 +9239,7 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
}
/* Get the reference to the corresponding CQ */
cqid = bf_get(lpfc_eqe_resource_id, eqe);
cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
if (unlikely(cqid != cq->queue_id)) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0368 Miss-matched fast-path completion "
@ -9532,13 +9532,18 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
struct lpfc_dmabuf *dmabuf;
int x, total_qe_count;
void *dma_pointer;
uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
if (!phba->sli4_hba.pc_sli4_params.supported)
hw_page_size = SLI4_PAGE_SIZE;
queue = kzalloc(sizeof(struct lpfc_queue) +
(sizeof(union sli4_qe) * entry_count), GFP_KERNEL);
if (!queue)
return NULL;
queue->page_count = (PAGE_ALIGN(entry_size * entry_count))/PAGE_SIZE;
queue->page_count = (ALIGN(entry_size * entry_count,
hw_page_size))/hw_page_size;
INIT_LIST_HEAD(&queue->list);
INIT_LIST_HEAD(&queue->page_list);
INIT_LIST_HEAD(&queue->child_list);
@ -9547,19 +9552,19 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
if (!dmabuf)
goto out_fail;
dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
PAGE_SIZE, &dmabuf->phys,
hw_page_size, &dmabuf->phys,
GFP_KERNEL);
if (!dmabuf->virt) {
kfree(dmabuf);
goto out_fail;
}
memset(dmabuf->virt, 0, PAGE_SIZE);
memset(dmabuf->virt, 0, hw_page_size);
dmabuf->buffer_tag = x;
list_add_tail(&dmabuf->list, &queue->page_list);
/* initialize queue's entry array */
dma_pointer = dmabuf->virt;
for (; total_qe_count < entry_count &&
dma_pointer < (PAGE_SIZE + dmabuf->virt);
dma_pointer < (hw_page_size + dmabuf->virt);
total_qe_count++, dma_pointer += entry_size) {
queue->qe[total_qe_count].address = dma_pointer;
}