*/
#include "be.h"
+#include "be_cmds.h"
-static void be_mcc_notify(struct be_ctrl_info *ctrl)
+static void be_mcc_notify(struct be_adapter *adapter)
{
- struct be_queue_info *mccq = &ctrl->mcc_obj.q;
+ struct be_queue_info *mccq = &adapter->mcc_obj.q;
u32 val = 0;
val |= mccq->id & DB_MCCQ_RING_ID_MASK;
val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
- iowrite32(val, ctrl->db + DB_MCCQ_OFFSET);
+ iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
}
/* To check if valid bit is set, check the entire word as we don't know
* the endianness of the data (old entry is host endian while a new entry is
* little endian) */
-static inline bool be_mcc_compl_is_new(struct be_mcc_cq_entry *compl)
+static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
{
if (compl->flags != 0) {
compl->flags = le32_to_cpu(compl->flags);
}
/* Need to reset the entire word that houses the valid bit */
-static inline void be_mcc_compl_use(struct be_mcc_cq_entry *compl)
+static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
{
compl->flags = 0;
}
-static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
- struct be_mcc_cq_entry *compl)
+static int be_mcc_compl_process(struct be_adapter *adapter,
+ struct be_mcc_compl *compl)
{
u16 compl_status, extd_status;
compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
- if (compl_status != MCC_STATUS_SUCCESS) {
+ if (compl_status == MCC_STATUS_SUCCESS) {
+ if (compl->tag0 == OPCODE_ETH_GET_STATISTICS) {
+ struct be_cmd_resp_get_stats *resp =
+ adapter->stats.cmd.va;
+ be_dws_le_to_cpu(&resp->hw_stats,
+ sizeof(resp->hw_stats));
+ netdev_stats_update(adapter);
+ }
+ } else if (compl_status != MCC_STATUS_NOT_SUPPORTED) {
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
- printk(KERN_WARNING DRV_NAME
- " error in cmd completion: status(compl/extd)=%d/%d\n",
+ dev_warn(&adapter->pdev->dev,
+ "Error in cmd completion: status(compl/extd)=%d/%d\n",
compl_status, extd_status);
- return -1;
}
- return 0;
+ return compl_status;
}
+/* Link state evt is a string of bytes; no need for endian swapping */
+static void be_async_link_state_process(struct be_adapter *adapter,
+ struct be_async_event_link_state *evt)
+{
+ be_link_status_update(adapter,
+ evt->port_link_status == ASYNC_EVENT_LINK_UP);
+}
-static struct be_mcc_cq_entry *be_mcc_compl_get(struct be_ctrl_info *ctrl)
+static inline bool is_link_state_evt(u32 trailer)
{
- struct be_queue_info *mcc_cq = &ctrl->mcc_obj.cq;
- struct be_mcc_cq_entry *compl = queue_tail_node(mcc_cq);
+ return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
+ ASYNC_TRAILER_EVENT_CODE_MASK) ==
+ ASYNC_EVENT_CODE_LINK_STATE);
+}
+
+static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
+{
+ struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
+ struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
if (be_mcc_compl_is_new(compl)) {
queue_tail_inc(mcc_cq);
return NULL;
}
-void be_process_mcc(struct be_ctrl_info *ctrl)
+int be_process_mcc(struct be_adapter *adapter)
{
- struct be_mcc_cq_entry *compl;
- int num = 0;
-
- spin_lock_bh(&ctrl->mcc_cq_lock);
- while ((compl = be_mcc_compl_get(ctrl))) {
- if (!(compl->flags & CQE_FLAGS_ASYNC_MASK)) {
- be_mcc_compl_process(ctrl, compl);
- atomic_dec(&ctrl->mcc_obj.q.used);
+ struct be_mcc_compl *compl;
+ int num = 0, status = 0;
+
+ spin_lock_bh(&adapter->mcc_cq_lock);
+ while ((compl = be_mcc_compl_get(adapter))) {
+ if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
+ /* Interpret flags as an async trailer */
+ BUG_ON(!is_link_state_evt(compl->flags));
+
+ /* Interpret compl as a async link evt */
+ be_async_link_state_process(adapter,
+ (struct be_async_event_link_state *) compl);
+ } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
+ status = be_mcc_compl_process(adapter, compl);
+ atomic_dec(&adapter->mcc_obj.q.used);
}
be_mcc_compl_use(compl);
num++;
}
+
if (num)
- be_cq_notify(ctrl, ctrl->mcc_obj.cq.id, true, num);
- spin_unlock_bh(&ctrl->mcc_cq_lock);
+ be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, num);
+
+ spin_unlock_bh(&adapter->mcc_cq_lock);
+ return status;
}
/* Wait till no more pending mcc requests are present */
-static void be_mcc_wait_compl(struct be_ctrl_info *ctrl)
+static int be_mcc_wait_compl(struct be_adapter *adapter)
{
-#define mcc_timeout 50000 /* 5s timeout */
- int i;
+#define mcc_timeout 120000 /* 12s timeout */
+ int i, status;
for (i = 0; i < mcc_timeout; i++) {
- be_process_mcc(ctrl);
- if (atomic_read(&ctrl->mcc_obj.q.used) == 0)
+ status = be_process_mcc(adapter);
+ if (status)
+ return status;
+
+ if (atomic_read(&adapter->mcc_obj.q.used) == 0)
break;
udelay(100);
}
- if (i == mcc_timeout)
- printk(KERN_WARNING DRV_NAME "mcc poll timed out\n");
+ if (i == mcc_timeout) {
+ dev_err(&adapter->pdev->dev, "mccq poll timed out\n");
+ return -1;
+ }
+ return 0;
}
/* Notify MCC requests and wait for completion */
-static void be_mcc_notify_wait(struct be_ctrl_info *ctrl)
+static int be_mcc_notify_wait(struct be_adapter *adapter)
{
- be_mcc_notify(ctrl);
- be_mcc_wait_compl(ctrl);
+ be_mcc_notify(adapter);
+ return be_mcc_wait_compl(adapter);
}
-static int be_mbox_db_ready_wait(void __iomem *db)
+static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
{
int cnt = 0, wait = 5;
u32 ready;
if (ready)
break;
- if (cnt > 200000) {
- printk(KERN_WARNING DRV_NAME
- ": mbox_db poll timed out\n");
+ if (cnt > 4000000) {
+ dev_err(&adapter->pdev->dev, "mbox poll timed out\n");
return -1;
}
* Insert the mailbox address into the doorbell in two steps
* Polls on the mbox doorbell till a command completion (or a timeout) occurs
*/
-static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
+static int be_mbox_notify_wait(struct be_adapter *adapter)
{
int status;
u32 val = 0;
- void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
- struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
+ void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
+ struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
struct be_mcc_mailbox *mbox = mbox_mem->va;
- struct be_mcc_cq_entry *cqe = &mbox->cqe;
+ struct be_mcc_compl *compl = &mbox->compl;
- memset(cqe, 0, sizeof(*cqe));
-
- val &= ~MPU_MAILBOX_DB_RDY_MASK;
val |= MPU_MAILBOX_DB_HI_MASK;
/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
iowrite32(val, db);
/* wait for ready to be set */
- status = be_mbox_db_ready_wait(db);
+ status = be_mbox_db_ready_wait(adapter, db);
if (status != 0)
return status;
val = 0;
- val &= ~MPU_MAILBOX_DB_RDY_MASK;
- val &= ~MPU_MAILBOX_DB_HI_MASK;
/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
val |= (u32)(mbox_mem->dma >> 4) << 2;
iowrite32(val, db);
- status = be_mbox_db_ready_wait(db);
+ status = be_mbox_db_ready_wait(adapter, db);
if (status != 0)
return status;
/* A cq entry has been made now */
- if (be_mcc_compl_is_new(cqe)) {
- status = be_mcc_compl_process(ctrl, &mbox->cqe);
- be_mcc_compl_use(cqe);
+ if (be_mcc_compl_is_new(compl)) {
+ status = be_mcc_compl_process(adapter, &mbox->compl);
+ be_mcc_compl_use(compl);
if (status)
return status;
} else {
- printk(KERN_WARNING DRV_NAME "invalid mailbox completion\n");
+ dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
return -1;
}
return 0;
}
-static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage)
+static int be_POST_stage_get(struct be_adapter *adapter, u16 *stage)
{
- u32 sem = ioread32(ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
+ u32 sem = ioread32(adapter->csr + MPU_EP_SEMAPHORE_OFFSET);
*stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
return 0;
}
-static int be_POST_stage_poll(struct be_ctrl_info *ctrl, u16 poll_stage)
-{
- u16 stage, cnt, error;
- for (cnt = 0; cnt < 5000; cnt++) {
- error = be_POST_stage_get(ctrl, &stage);
- if (error)
- return -1;
-
- if (stage == poll_stage)
- break;
- udelay(1000);
- }
- if (stage != poll_stage)
- return -1;
- return 0;
-}
-
-
-int be_cmd_POST(struct be_ctrl_info *ctrl)
+int be_cmd_POST(struct be_adapter *adapter)
{
- u16 stage, error;
-
- error = be_POST_stage_get(ctrl, &stage);
- if (error)
- goto err;
-
- if (stage == POST_STAGE_ARMFW_RDY)
- return 0;
+ u16 stage;
+ int status, timeout = 0;
- if (stage != POST_STAGE_AWAITING_HOST_RDY)
- goto err;
-
- /* On awaiting host rdy, reset and again poll on awaiting host rdy */
- iowrite32(POST_STAGE_BE_RESET, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
- error = be_POST_stage_poll(ctrl, POST_STAGE_AWAITING_HOST_RDY);
- if (error)
- goto err;
-
- /* Now kickoff POST and poll on armfw ready */
- iowrite32(POST_STAGE_HOST_RDY, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
- error = be_POST_stage_poll(ctrl, POST_STAGE_ARMFW_RDY);
- if (error)
- goto err;
+ do {
+ status = be_POST_stage_get(adapter, &stage);
+ if (status) {
+ dev_err(&adapter->pdev->dev, "POST error; stage=0x%x\n",
+ stage);
+ return -1;
+ } else if (stage != POST_STAGE_ARMFW_RDY) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(2 * HZ);
+ timeout += 2;
+ } else {
+ return 0;
+ }
+ } while (timeout < 20);
- return 0;
-err:
- printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage);
+ dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage);
return -1;
}
return multiplier;
}
-static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
+static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
{
- return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
+ struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
+ struct be_mcc_wrb *wrb
+ = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
+ memset(wrb, 0, sizeof(*wrb));
+ return wrb;
}
-static inline struct be_mcc_wrb *wrb_from_mcc(struct be_queue_info *mccq)
+static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
{
- struct be_mcc_wrb *wrb = NULL;
- if (atomic_read(&mccq->used) < mccq->len) {
- wrb = queue_head_node(mccq);
- queue_head_inc(mccq);
- atomic_inc(&mccq->used);
- memset(wrb, 0, sizeof(*wrb));
- }
+ struct be_queue_info *mccq = &adapter->mcc_obj.q;
+ struct be_mcc_wrb *wrb;
+
+ BUG_ON(atomic_read(&mccq->used) >= mccq->len);
+ wrb = queue_head_node(mccq);
+ queue_head_inc(mccq);
+ atomic_inc(&mccq->used);
+ memset(wrb, 0, sizeof(*wrb));
return wrb;
}
-int be_cmd_eq_create(struct be_ctrl_info *ctrl,
+int be_cmd_eq_create(struct be_adapter *adapter,
struct be_queue_info *eq, int eq_delay)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_eq_create *req = embedded_payload(wrb);
- struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_eq_create *req;
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_eq_context, func, req->context,
- ctrl->pci_func);
+ be_pci_func(adapter));
AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
/* 4byte eqe*/
AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
+ struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
+/* Uses mbox */
+int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
u8 type, bool permanent, u32 if_handle)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_mac_query *req = embedded_payload(wrb);
- struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_mac_query *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
if (permanent) {
req->permanent = 1;
} else {
- req->if_id = cpu_to_le16((u16)if_handle);
+ req->if_id = cpu_to_le16((u16) if_handle);
req->permanent = 0;
}
- status = be_mbox_db_ring(ctrl);
- if (!status)
+ status = be_mbox_notify_wait(adapter);
+ if (!status) {
+ struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
+ }
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
+/* Uses synchronous MCCQ */
+int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
u32 if_id, u32 *pmac_id)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_pmac_add *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->if_id = cpu_to_le32(if_id);
memcpy(req->mac_address, mac_addr, ETH_ALEN);
- status = be_mbox_db_ring(ctrl);
+ status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
*pmac_id = le32_to_cpu(resp->pmac_id);
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
+/* Uses synchronous MCCQ */
+int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_pmac_del *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->if_id = cpu_to_le32(if_id);
req->pmac_id = cpu_to_le32(pmac_id);
- status = be_mbox_db_ring(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ status = be_mcc_notify_wait(adapter);
+
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-int be_cmd_cq_create(struct be_ctrl_info *ctrl,
+/* Uses Mbox */
+int be_cmd_cq_create(struct be_adapter *adapter,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_cq_create *req = embedded_payload(wrb);
- struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_cq_create *req;
struct be_dma_mem *q_mem = &cq->dma_mem;
- void *ctxt = &req->context;
+ void *ctxt;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
+ ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
- AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func);
+ AMAP_SET_BITS(struct amap_cq_context, func, ctxt, be_pci_func(adapter));
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
+ struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
return len_encoded;
}
-int be_cmd_mccq_create(struct be_ctrl_info *ctrl,
+int be_cmd_mccq_create(struct be_adapter *adapter,
struct be_queue_info *mccq,
struct be_queue_info *cq)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_mcc_create *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_mcc_create *req;
struct be_dma_mem *q_mem = &mccq->dma_mem;
- void *ctxt = &req->context;
+ void *ctxt;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
+ ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
- AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, ctrl->pci_func);
+ AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, be_pci_func(adapter));
AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
be_encoded_q_len(mccq->len));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
mccq->id = le16_to_cpu(resp->id);
mccq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-int be_cmd_txq_create(struct be_ctrl_info *ctrl,
+int be_cmd_txq_create(struct be_adapter *adapter,
struct be_queue_info *txq,
struct be_queue_info *cq)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_eth_tx_create *req;
struct be_dma_mem *q_mem = &txq->dma_mem;
- void *ctxt = &req->context;
+ void *ctxt;
int status;
- u32 len_encoded;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
+ ctxt = &req->context;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->ulp_num = BE_ULP1_NUM;
req->type = BE_ETH_TX_RING_TYPE_STANDARD;
- len_encoded = fls(txq->len); /* log2(len) + 1 */
- if (len_encoded == 16)
- len_encoded = 0;
- AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded);
+ AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt,
+ be_encoded_q_len(txq->len));
AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
- ctrl->pci_func);
+ be_pci_func(adapter));
AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
txq->id = le16_to_cpu(resp->cid);
txq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
+/* Uses mbox */
+int be_cmd_rxq_create(struct be_adapter *adapter,
struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
u16 max_frame_size, u32 if_id, u32 rss)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_eth_rx_create *req;
struct be_dma_mem *q_mem = &rxq->dma_mem;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->max_frame_size = cpu_to_le16(max_frame_size);
req->rss_queue = cpu_to_le32(rss);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
rxq->id = le16_to_cpu(resp->id);
rxq->created = true;
}
- spin_unlock(&ctrl->mbox_lock);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-/* Generic destroyer function for all types of queues */
-int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
+/* Generic destroyer function for all types of queues
+ * Uses Mbox
+ */
+int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
int queue_type)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_q_destroy *req;
u8 subsys = 0, opcode = 0;
int status;
- spin_lock(&ctrl->mbox_lock);
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
- memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
switch (queue_type) {
opcode = OPCODE_COMMON_MCC_DESTROY;
break;
default:
- printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
- status = -1;
- goto err;
+ BUG();
}
be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
req->id = cpu_to_le16(q->id);
- status = be_mbox_db_ring(ctrl);
-err:
- spin_unlock(&ctrl->mbox_lock);
+ status = be_mbox_notify_wait(adapter);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-/* Create an rx filtering policy configuration on an i/f */
-int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
- bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
+/* Create an rx filtering policy configuration on an i/f
+ * Uses mbox
+ */
+int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
+ u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_if_create *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_if_create *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
- req->capability_flags = cpu_to_le32(flags);
- req->enable_flags = cpu_to_le32(flags);
+ req->capability_flags = cpu_to_le32(cap_flags);
+ req->enable_flags = cpu_to_le32(en_flags);
+ req->pmac_invalid = pmac_invalid;
if (!pmac_invalid)
memcpy(req->mac_addr, mac, ETH_ALEN);
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
*if_handle = le32_to_cpu(resp->interface_id);
*pmac_id = le32_to_cpu(resp->pmac_id);
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
+/* Uses mbox */
+int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_if_destroy *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
req->interface_id = cpu_to_le32(interface_id);
- status = be_mbox_db_ring(ctrl);
- spin_unlock(&ctrl->mbox_lock);
+ status = be_mbox_notify_wait(adapter);
+
+ spin_unlock(&adapter->mbox_lock);
return status;
}
/* Get stats is a non embedded command: the request is not embedded inside
* WRB but is a separate dma memory block
+ * Uses asynchronous MCC
*/
-int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
+int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_get_stats *req = nonemb_cmd->va;
- struct be_sge *sge = nonembedded_sgl(wrb);
- int status;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_get_stats *req;
+ struct be_sge *sge;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
- memset(req, 0, sizeof(*req));
+ wrb = wrb_from_mccq(adapter);
+ req = nonemb_cmd->va;
+ sge = nonembedded_sgl(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
+ wrb->tag0 = OPCODE_ETH_GET_STATISTICS;
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_GET_STATISTICS, sizeof(*req));
sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd->size);
- status = be_mbox_db_ring(ctrl);
- if (!status) {
- struct be_cmd_resp_get_stats *resp = nonemb_cmd->va;
- be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
- }
+ be_mcc_notify(adapter);
- spin_unlock(&ctrl->mbox_lock);
- return status;
+ spin_unlock_bh(&adapter->mcc_lock);
+ return 0;
}
-int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
- struct be_link_info *link)
+/* Uses synchronous mcc */
+int be_cmd_link_status_query(struct be_adapter *adapter,
+ bool *link_up)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_link_status *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_link_status *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
+
+ *link_up = false;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
- status = be_mbox_db_ring(ctrl);
+ status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
- link->speed = resp->mac_speed;
- link->duplex = resp->mac_duplex;
- link->fault = resp->mac_fault;
- } else {
- link->speed = PHY_LINK_SPEED_ZERO;
+ if (resp->mac_speed != PHY_LINK_SPEED_ZERO)
+ *link_up = true;
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
+/* Uses Mbox */
+int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_get_fw_version *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock(&adapter->mbox_lock);
return status;
}
-/* set the EQ delay interval of an EQ to specified value */
-int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
+/* set the EQ delay interval of an EQ to specified value
+ * Uses async mcc
+ */
+int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
- int status;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_modify_eq_delay *req;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->delay[0].phase = 0;
req->delay[0].delay_multiplier = cpu_to_le32(eqd);
- status = be_mbox_db_ring(ctrl);
+ be_mcc_notify(adapter);
- spin_unlock(&ctrl->mbox_lock);
- return status;
+ spin_unlock_bh(&adapter->mcc_lock);
+ return 0;
}
-int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
+/* Uses sycnhronous mcc */
+int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
u32 num, bool untagged, bool promiscuous)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_vlan_config *req;
int status;
- spin_lock(&ctrl->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->num_vlan * sizeof(vtag_array[0]));
}
- status = be_mbox_db_ring(ctrl);
+ status = be_mcc_notify_wait(adapter);
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-/* Use MCC for this command as it may be called in BH context */
-int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
+/* Uses MCC for this command as it may be called in BH context
+ * Uses synchronous mcc
+ */
+int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_promiscuous_config *req;
+ int status;
- spin_lock_bh(&ctrl->mcc_lock);
-
- wrb = wrb_from_mcc(&ctrl->mcc_obj.q);
- BUG_ON(!wrb);
+ spin_lock_bh(&adapter->mcc_lock);
+ wrb = wrb_from_mccq(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
else
req->port0_promiscuous = en;
- be_mcc_notify_wait(ctrl);
+ status = be_mcc_notify_wait(adapter);
- spin_unlock_bh(&ctrl->mcc_lock);
- return 0;
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
}
/*
- * Use MCC for this command as it may be called in BH context
+ * Uses MCC for this command as it may be called in BH context
* (mc == NULL) => multicast promiscous
*/
-int be_cmd_multicast_set(struct be_ctrl_info *ctrl, u32 if_id,
+int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id,
struct dev_mc_list *mc_list, u32 mc_count)
{
#define BE_MAX_MC 32 /* set mcast promisc if > 32 */
struct be_mcc_wrb *wrb;
struct be_cmd_req_mcast_mac_config *req;
- spin_lock_bh(&ctrl->mcc_lock);
-
- wrb = wrb_from_mcc(&ctrl->mcc_obj.q);
- BUG_ON(!wrb);
+ spin_lock_bh(&adapter->mcc_lock);
+ wrb = wrb_from_mccq(adapter);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->promiscuous = 1;
}
- be_mcc_notify_wait(ctrl);
+ be_mcc_notify_wait(adapter);
- spin_unlock_bh(&ctrl->mcc_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return 0;
}
-int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
+/* Uses synchrounous mcc */
+int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_set_flow_control *req;
int status;
- spin_lock(&ctrl->mbox_lock);
+ spin_lock_bh(&adapter->mcc_lock);
- memset(wrb, 0, sizeof(*wrb));
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
req->tx_flow_control = cpu_to_le16((u16)tx_fc);
req->rx_flow_control = cpu_to_le16((u16)rx_fc);
- status = be_mbox_db_ring(ctrl);
+ status = be_mcc_notify_wait(adapter);
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
+/* Uses sycn mcc */
+int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_get_flow_control *req;
int status;
- spin_lock(&ctrl->mbox_lock);
+ spin_lock_bh(&adapter->mcc_lock);
- memset(wrb, 0, sizeof(*wrb));
+ wrb = wrb_from_mccq(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
- status = be_mbox_db_ring(ctrl);
+ status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_get_flow_control *resp =
embedded_payload(wrb);
*rx_fc = le16_to_cpu(resp->rx_flow_control);
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
-int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
+/* Uses mbox */
+int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num, u32 *cap)
{
- struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
- struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_query_fw_cfg *req;
int status;
- spin_lock(&ctrl->mbox_lock);
+ spin_lock(&adapter->mbox_lock);
- memset(wrb, 0, sizeof(*wrb));
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
- status = be_mbox_db_ring(ctrl);
+ status = be_mbox_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
*port_num = le32_to_cpu(resp->phys_port);
+ *cap = le32_to_cpu(resp->function_cap);
}
- spin_unlock(&ctrl->mbox_lock);
+ spin_unlock(&adapter->mbox_lock);
+ return status;
+}
+
+/* Uses mbox */
+int be_cmd_reset_function(struct be_adapter *adapter)
+{
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_hdr *req;
+ int status;
+
+ spin_lock(&adapter->mbox_lock);
+
+ wrb = wrb_from_mbox(adapter);
+ req = embedded_payload(wrb);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+
+ be_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_FUNCTION_RESET, sizeof(*req));
+
+ status = be_mbox_notify_wait(adapter);
+
+ spin_unlock(&adapter->mbox_lock);
+ return status;
+}
+
+int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
+ u32 flash_type, u32 flash_opcode, u32 buf_size)
+{
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_write_flashrom *req = cmd->va;
+ struct be_sge *sge;
+ int status;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ sge = nonembedded_sgl(wrb);
+
+ be_wrb_hdr_prepare(wrb, cmd->size, false, 1);
+
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_WRITE_FLASHROM, cmd->size);
+ sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
+ sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(cmd->size);
+
+ req->params.op_type = cpu_to_le32(flash_type);
+ req->params.op_code = cpu_to_le32(flash_opcode);
+ req->params.data_buf_size = cpu_to_le32(buf_size);
+
+ status = be_mcc_notify_wait(adapter);
+
+ spin_unlock_bh(&adapter->mcc_lock);
return status;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff