[SCSI] lpfc 8.3.41: Fixed support for 128 byte WQEs
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 4ec3d7c..086c3f2 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -234,6 +234,9 @@
uint32_t addrHigh;
};
+/* Maximun size of immediate data that can fit into a 128 byte WQE */
+#define LPFC_MAX_BDE_IMM_SIZE 64
+
struct lpfc_sli4_flags {
uint32_t word0;
#define lpfc_idx_rsrc_rdy_SHIFT 0
@@ -2585,6 +2588,9 @@
#define cfg_mqv_WORD word6
uint32_t word7;
uint32_t word8;
+#define cfg_wqsize_SHIFT 8
+#define cfg_wqsize_MASK 0x0000000f
+#define cfg_wqsize_WORD word8
#define cfg_wqv_SHIFT 14
#define cfg_wqv_MASK 0x00000003
#define cfg_wqv_WORD word8
@@ -3622,6 +3628,13 @@
struct gen_req64_wqe gen_req;
};
+union lpfc_wqe128 {
+ uint32_t words[32];
+ struct lpfc_wqe_generic generic;
+ struct xmit_seq64_wqe xmit_sequence;
+ struct gen_req64_wqe gen_req;
+};
+
#define LPFC_GROUP_OJECT_MAGIC_NUM 0xfeaa0001
#define LPFC_FILE_TYPE_GROUP 0xf7
#define LPFC_FILE_ID_GROUP 0xa2
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index a7f3328..f7b9c12 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -9168,6 +9168,7 @@
sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters);
sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters);
sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters);
+ sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters);
sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt,
mbx_sli4_parameters);
sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align,
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index a4e3f47..0392e11 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -12869,10 +12869,44 @@
wq->page_count);
bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request,
cq->queue_id);
+
+ /* wqv is the earliest version supported, NOT the latest */
bf_set(lpfc_mbox_hdr_version, &shdr->request,
phba->sli4_hba.pc_sli4_params.wqv);
- if (phba->sli4_hba.pc_sli4_params.wqv == LPFC_Q_CREATE_VERSION_1) {
+ switch (phba->sli4_hba.pc_sli4_params.wqv) {
+ case LPFC_Q_CREATE_VERSION_0:
+ switch (wq->entry_size) {
+ default:
+ case 64:
+ /* Nothing to do, version 0 ONLY supports 64 byte */
+ page = wq_create->u.request.page;
+ break;
+ case 128:
+ if (!(phba->sli4_hba.pc_sli4_params.wqsize &
+ LPFC_WQ_SZ128_SUPPORT)) {
+ status = -ERANGE;
+ goto out;
+ }
+ /* If we get here the HBA MUST also support V1 and
+ * we MUST use it
+ */
+ bf_set(lpfc_mbox_hdr_version, &shdr->request,
+ LPFC_Q_CREATE_VERSION_1);
+
+ bf_set(lpfc_mbx_wq_create_wqe_count,
+ &wq_create->u.request_1, wq->entry_count);
+ bf_set(lpfc_mbx_wq_create_wqe_size,
+ &wq_create->u.request_1,
+ LPFC_WQ_WQE_SIZE_128);
+ bf_set(lpfc_mbx_wq_create_page_size,
+ &wq_create->u.request_1,
+ (PAGE_SIZE/SLI4_PAGE_SIZE));
+ page = wq_create->u.request_1.page;
+ break;
+ }
+ break;
+ case LPFC_Q_CREATE_VERSION_1:
bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1,
wq->entry_count);
switch (wq->entry_size) {
@@ -12883,6 +12917,11 @@
LPFC_WQ_WQE_SIZE_64);
break;
case 128:
+ if (!(phba->sli4_hba.pc_sli4_params.wqsize &
+ LPFC_WQ_SZ128_SUPPORT)) {
+ status = -ERANGE;
+ goto out;
+ }
bf_set(lpfc_mbx_wq_create_wqe_size,
&wq_create->u.request_1,
LPFC_WQ_WQE_SIZE_128);
@@ -12891,9 +12930,12 @@
bf_set(lpfc_mbx_wq_create_page_size, &wq_create->u.request_1,
(PAGE_SIZE/SLI4_PAGE_SIZE));
page = wq_create->u.request_1.page;
- } else {
- page = wq_create->u.request.page;
+ break;
+ default:
+ status = -ERANGE;
+ goto out;
}
+
list_for_each_entry(dmabuf, &wq->page_list, list) {
memset(dmabuf->virt, 0, hw_page_size);
page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys);
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index d710b87..5bcc382 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -117,6 +117,7 @@
struct lpfc_rcqe_complete *rcqe_complete;
struct lpfc_mqe *mqe;
union lpfc_wqe *wqe;
+ union lpfc_wqe128 *wqe128;
struct lpfc_rqe *rqe;
};
@@ -325,12 +326,14 @@
#define LPFC_EQE_SIZE_16B 16
#define LPFC_CQE_SIZE 16
#define LPFC_WQE_SIZE 64
+#define LPFC_WQE128_SIZE 128
#define LPFC_MQE_SIZE 256
#define LPFC_RQE_SIZE 8
#define LPFC_EQE_DEF_COUNT 1024
#define LPFC_CQE_DEF_COUNT 1024
#define LPFC_WQE_DEF_COUNT 256
+#define LPFC_WQE128_DEF_COUNT 128
#define LPFC_MQE_DEF_COUNT 16
#define LPFC_RQE_DEF_COUNT 512
@@ -416,6 +419,9 @@
uint8_t mqv;
uint8_t wqv;
uint8_t rqv;
+ uint8_t wqsize;
+#define LPFC_WQ_SZ64_SUPPORT 1
+#define LPFC_WQ_SZ128_SUPPORT 2
};
struct lpfc_iov {