From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 663 ++++++++++++++++++++++++++++++++----------------------
1 files changed, 389 insertions(+), 274 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/kernel/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index 8b3b5fd..2b0c3a8 100644
--- a/kernel/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/kernel/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -35,6 +35,9 @@
*
* Description: RDMA Controller HW interface
*/
+
+#define dev_fmt(fmt) "QPLIB: " fmt
+
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/pci.h>
@@ -47,17 +50,19 @@
#include "qplib_sp.h"
#include "qplib_fp.h"
-static void bnxt_qplib_service_creq(unsigned long data);
+static void bnxt_qplib_service_creq(struct tasklet_struct *t);
/* Hardware communication channel */
static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
{
+ struct bnxt_qplib_cmdq_ctx *cmdq;
u16 cbit;
int rc;
- cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
- rc = wait_event_timeout(rcfw->waitq,
- !test_bit(cbit, rcfw->cmdq_bitmap),
+ cmdq = &rcfw->cmdq;
+ cbit = cookie % rcfw->cmdq_depth;
+ rc = wait_event_timeout(cmdq->waitq,
+ !test_bit(cbit, cmdq->cmdq_bitmap),
msecs_to_jiffies(RCFW_CMD_WAIT_TIME_MS));
return rc ? 0 : -ETIMEDOUT;
};
@@ -65,15 +70,17 @@
static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
{
u32 count = RCFW_BLOCKED_CMD_WAIT_COUNT;
+ struct bnxt_qplib_cmdq_ctx *cmdq;
u16 cbit;
- cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
- if (!test_bit(cbit, rcfw->cmdq_bitmap))
+ cmdq = &rcfw->cmdq;
+ cbit = cookie % rcfw->cmdq_depth;
+ if (!test_bit(cbit, cmdq->cmdq_bitmap))
goto done;
do {
mdelay(1); /* 1m sec */
- bnxt_qplib_service_creq((unsigned long)rcfw);
- } while (test_bit(cbit, rcfw->cmdq_bitmap) && --count);
+ bnxt_qplib_service_creq(&rcfw->creq.creq_tasklet);
+ } while (test_bit(cbit, cmdq->cmdq_bitmap) && --count);
done:
return count ? 0 : -ETIMEDOUT;
};
@@ -81,58 +88,68 @@
static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct cmdq_base *req,
struct creq_base *resp, void *sb, u8 is_block)
{
- struct bnxt_qplib_cmdqe *cmdqe, **cmdq_ptr;
- struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq;
- struct bnxt_qplib_crsq *crsqe;
+ struct bnxt_qplib_cmdq_ctx *cmdq = &rcfw->cmdq;
+ struct bnxt_qplib_hwq *hwq = &cmdq->hwq;
+ struct bnxt_qplib_crsqe *crsqe;
+ struct bnxt_qplib_cmdqe *cmdqe;
u32 sw_prod, cmdq_prod;
+ struct pci_dev *pdev;
unsigned long flags;
u32 size, opcode;
u16 cookie, cbit;
u8 *preq;
+ pdev = rcfw->pdev;
+
opcode = req->opcode;
- if (!test_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags) &&
+ if (!test_bit(FIRMWARE_INITIALIZED_FLAG, &cmdq->flags) &&
(opcode != CMDQ_BASE_OPCODE_QUERY_FUNC &&
opcode != CMDQ_BASE_OPCODE_INITIALIZE_FW &&
opcode != CMDQ_BASE_OPCODE_QUERY_VERSION)) {
- dev_err(&rcfw->pdev->dev,
- "QPLIB: RCFW not initialized, reject opcode 0x%x",
- opcode);
+ dev_err(&pdev->dev,
+ "RCFW not initialized, reject opcode 0x%x\n", opcode);
return -EINVAL;
}
- if (test_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags) &&
+ if (test_bit(FIRMWARE_INITIALIZED_FLAG, &cmdq->flags) &&
opcode == CMDQ_BASE_OPCODE_INITIALIZE_FW) {
- dev_err(&rcfw->pdev->dev, "QPLIB: RCFW already initialized!");
+ dev_err(&pdev->dev, "RCFW already initialized!\n");
return -EINVAL;
}
- if (test_bit(FIRMWARE_TIMED_OUT, &rcfw->flags))
+ if (test_bit(FIRMWARE_TIMED_OUT, &cmdq->flags))
return -ETIMEDOUT;
/* Cmdq are in 16-byte units, each request can consume 1 or more
* cmdqe
*/
- spin_lock_irqsave(&cmdq->lock, flags);
- if (req->cmd_size >= HWQ_FREE_SLOTS(cmdq)) {
- dev_err(&rcfw->pdev->dev, "QPLIB: RCFW: CMDQ is full!");
- spin_unlock_irqrestore(&cmdq->lock, flags);
+ spin_lock_irqsave(&hwq->lock, flags);
+ if (req->cmd_size >= HWQ_FREE_SLOTS(hwq)) {
+ dev_err(&pdev->dev, "RCFW: CMDQ is full!\n");
+ spin_unlock_irqrestore(&hwq->lock, flags);
return -EAGAIN;
}
- cookie = rcfw->seq_num & RCFW_MAX_COOKIE_VALUE;
- cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+ cookie = cmdq->seq_num & RCFW_MAX_COOKIE_VALUE;
+ cbit = cookie % rcfw->cmdq_depth;
if (is_block)
cookie |= RCFW_CMD_IS_BLOCKING;
- set_bit(cbit, rcfw->cmdq_bitmap);
+ set_bit(cbit, cmdq->cmdq_bitmap);
req->cookie = cpu_to_le16(cookie);
crsqe = &rcfw->crsqe_tbl[cbit];
if (crsqe->resp) {
- spin_unlock_irqrestore(&cmdq->lock, flags);
+ spin_unlock_irqrestore(&hwq->lock, flags);
return -EBUSY;
}
+
+ size = req->cmd_size;
+ /* change the cmd_size to the number of 16byte cmdq unit.
+ * req->cmd_size is modified here
+ */
+ bnxt_qplib_set_cmd_slots(req);
+
memset(resp, 0, sizeof(*resp));
crsqe->resp = (struct creq_qp_event *)resp;
crsqe->resp->cookie = req->cookie;
@@ -145,16 +162,14 @@
BNXT_QPLIB_CMDQE_UNITS;
}
- cmdq_ptr = (struct bnxt_qplib_cmdqe **)cmdq->pbl_ptr;
preq = (u8 *)req;
- size = req->cmd_size * BNXT_QPLIB_CMDQE_UNITS;
do {
/* Locate the next cmdq slot */
- sw_prod = HWQ_CMP(cmdq->prod, cmdq);
- cmdqe = &cmdq_ptr[get_cmdq_pg(sw_prod)][get_cmdq_idx(sw_prod)];
+ sw_prod = HWQ_CMP(hwq->prod, hwq);
+ cmdqe = bnxt_qplib_get_qe(hwq, sw_prod, NULL);
if (!cmdqe) {
- dev_err(&rcfw->pdev->dev,
- "QPLIB: RCFW request failed with no cmdqe!");
+ dev_err(&pdev->dev,
+ "RCFW request failed with no cmdqe!\n");
goto done;
}
/* Copy a segment of the req cmd to the cmdq */
@@ -162,31 +177,27 @@
memcpy(cmdqe, preq, min_t(u32, size, sizeof(*cmdqe)));
preq += min_t(u32, size, sizeof(*cmdqe));
size -= min_t(u32, size, sizeof(*cmdqe));
- cmdq->prod++;
- rcfw->seq_num++;
+ hwq->prod++;
} while (size > 0);
+ cmdq->seq_num++;
- rcfw->seq_num++;
-
- cmdq_prod = cmdq->prod;
- if (test_bit(FIRMWARE_FIRST_FLAG, &rcfw->flags)) {
+ cmdq_prod = hwq->prod & 0xFFFF;
+ if (test_bit(FIRMWARE_FIRST_FLAG, &cmdq->flags)) {
/* The very first doorbell write
* is required to set this flag
* which prompts the FW to reset
* its internal pointers
*/
cmdq_prod |= BIT(FIRMWARE_FIRST_FLAG);
- clear_bit(FIRMWARE_FIRST_FLAG, &rcfw->flags);
+ clear_bit(FIRMWARE_FIRST_FLAG, &cmdq->flags);
}
/* ring CMDQ DB */
wmb();
- writel(cmdq_prod, rcfw->cmdq_bar_reg_iomem +
- rcfw->cmdq_bar_reg_prod_off);
- writel(RCFW_CMDQ_TRIG_VAL, rcfw->cmdq_bar_reg_iomem +
- rcfw->cmdq_bar_reg_trig_off);
+ writel(cmdq_prod, cmdq->cmdq_mbox.prod);
+ writel(RCFW_CMDQ_TRIG_VAL, cmdq->cmdq_mbox.db);
done:
- spin_unlock_irqrestore(&cmdq->lock, flags);
+ spin_unlock_irqrestore(&hwq->lock, flags);
/* Return the CREQ response pointer */
return 0;
}
@@ -210,7 +221,7 @@
if (!retry_cnt || (rc != -EAGAIN && rc != -EBUSY)) {
/* send failed */
- dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x send failed",
+ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x send failed\n",
cookie, opcode);
return rc;
}
@@ -224,15 +235,15 @@
rc = __wait_for_resp(rcfw, cookie);
if (rc) {
/* timed out */
- dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x timedout (%d)msec",
+ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x timedout (%d)msec\n",
cookie, opcode, RCFW_CMD_WAIT_TIME_MS);
- set_bit(FIRMWARE_TIMED_OUT, &rcfw->flags);
+ set_bit(FIRMWARE_TIMED_OUT, &rcfw->cmdq.flags);
return rc;
}
if (evnt->status) {
/* failed with status */
- dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x status %#x",
+ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x status %#x\n",
cookie, opcode, evnt->status);
rc = -EFAULT;
}
@@ -243,6 +254,8 @@
static int bnxt_qplib_process_func_event(struct bnxt_qplib_rcfw *rcfw,
struct creq_func_event *func_event)
{
+ int rc;
+
switch (func_event->event) {
case CREQ_FUNC_EVENT_EVENT_TX_WQE_ERROR:
break;
@@ -276,37 +289,44 @@
default:
return -EINVAL;
}
- return 0;
+
+ rc = rcfw->creq.aeq_handler(rcfw, (void *)func_event, NULL);
+ return rc;
}
static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
- struct creq_qp_event *qp_event)
+ struct creq_qp_event *qp_event,
+ u32 *num_wait)
{
- struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq;
struct creq_qp_error_notification *err_event;
- struct bnxt_qplib_crsq *crsqe;
- unsigned long flags;
+ struct bnxt_qplib_hwq *hwq = &rcfw->cmdq.hwq;
+ struct bnxt_qplib_crsqe *crsqe;
struct bnxt_qplib_qp *qp;
u16 cbit, blocked = 0;
- u16 cookie;
+ struct pci_dev *pdev;
+ unsigned long flags;
+ u32 wait_cmds = 0;
__le16 mcookie;
- u32 qp_id;
+ u16 cookie;
+ int rc = 0;
+ u32 qp_id, tbl_indx;
+ pdev = rcfw->pdev;
switch (qp_event->event) {
case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION:
err_event = (struct creq_qp_error_notification *)qp_event;
qp_id = le32_to_cpu(err_event->xid);
- qp = rcfw->qp_tbl[qp_id].qp_handle;
- dev_dbg(&rcfw->pdev->dev,
- "QPLIB: Received QP error notification");
- dev_dbg(&rcfw->pdev->dev,
- "QPLIB: qpid 0x%x, req_err=0x%x, resp_err=0x%x\n",
+ tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw);
+ qp = rcfw->qp_tbl[tbl_indx].qp_handle;
+ dev_dbg(&pdev->dev, "Received QP error notification\n");
+ dev_dbg(&pdev->dev,
+ "qpid 0x%x, req_err=0x%x, resp_err=0x%x\n",
qp_id, err_event->req_err_state_reason,
err_event->res_err_state_reason);
if (!qp)
break;
bnxt_qplib_mark_qp_error(qp);
- rcfw->aeq_handler(rcfw, qp_event, qp);
+ rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp);
break;
default:
/*
@@ -318,55 +338,59 @@
*
*/
- spin_lock_irqsave_nested(&cmdq->lock, flags,
+ spin_lock_irqsave_nested(&hwq->lock, flags,
SINGLE_DEPTH_NESTING);
cookie = le16_to_cpu(qp_event->cookie);
mcookie = qp_event->cookie;
blocked = cookie & RCFW_CMD_IS_BLOCKING;
cookie &= RCFW_MAX_COOKIE_VALUE;
- cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+ cbit = cookie % rcfw->cmdq_depth;
crsqe = &rcfw->crsqe_tbl[cbit];
if (crsqe->resp &&
crsqe->resp->cookie == mcookie) {
memcpy(crsqe->resp, qp_event, sizeof(*qp_event));
crsqe->resp = NULL;
} else {
- dev_err(&rcfw->pdev->dev,
- "QPLIB: CMD %s resp->cookie = %#x, evnt->cookie = %#x",
- crsqe->resp ? "mismatch" : "collision",
- crsqe->resp ? crsqe->resp->cookie : 0, mcookie);
+ if (crsqe->resp && crsqe->resp->cookie)
+ dev_err(&pdev->dev,
+ "CMD %s cookie sent=%#x, recd=%#x\n",
+ crsqe->resp ? "mismatch" : "collision",
+ crsqe->resp ? crsqe->resp->cookie : 0,
+ mcookie);
}
- if (!test_and_clear_bit(cbit, rcfw->cmdq_bitmap))
- dev_warn(&rcfw->pdev->dev,
- "QPLIB: CMD bit %d was not requested", cbit);
- cmdq->cons += crsqe->req_size;
+ if (!test_and_clear_bit(cbit, rcfw->cmdq.cmdq_bitmap))
+ dev_warn(&pdev->dev,
+ "CMD bit %d was not requested\n", cbit);
+ hwq->cons += crsqe->req_size;
crsqe->req_size = 0;
if (!blocked)
- wake_up(&rcfw->waitq);
- spin_unlock_irqrestore(&cmdq->lock, flags);
+ wait_cmds++;
+ spin_unlock_irqrestore(&hwq->lock, flags);
}
- return 0;
+ *num_wait += wait_cmds;
+ return rc;
}
/* SP - CREQ Completion handlers */
-static void bnxt_qplib_service_creq(unsigned long data)
+static void bnxt_qplib_service_creq(struct tasklet_struct *t)
{
- struct bnxt_qplib_rcfw *rcfw = (struct bnxt_qplib_rcfw *)data;
- struct bnxt_qplib_hwq *creq = &rcfw->creq;
- struct creq_base *creqe, **creq_ptr;
+ struct bnxt_qplib_rcfw *rcfw = from_tasklet(rcfw, t, creq.creq_tasklet);
+ struct bnxt_qplib_creq_ctx *creq = &rcfw->creq;
+ u32 type, budget = CREQ_ENTRY_POLL_BUDGET;
+ struct bnxt_qplib_hwq *hwq = &creq->hwq;
+ struct creq_base *creqe;
u32 sw_cons, raw_cons;
unsigned long flags;
- u32 type, budget = CREQ_ENTRY_POLL_BUDGET;
+ u32 num_wakeup = 0;
/* Service the CREQ until budget is over */
- spin_lock_irqsave(&creq->lock, flags);
- raw_cons = creq->cons;
+ spin_lock_irqsave(&hwq->lock, flags);
+ raw_cons = hwq->cons;
while (budget > 0) {
- sw_cons = HWQ_CMP(raw_cons, creq);
- creq_ptr = (struct creq_base **)creq->pbl_ptr;
- creqe = &creq_ptr[get_creq_pg(sw_cons)][get_creq_idx(sw_cons)];
- if (!CREQ_CMP_VALID(creqe, raw_cons, creq->max_elements))
+ sw_cons = HWQ_CMP(raw_cons, hwq);
+ creqe = bnxt_qplib_get_qe(hwq, sw_cons, NULL);
+ if (!CREQ_CMP_VALID(creqe, raw_cons, hwq->max_elements))
break;
/* The valid test of the entry must be done first before
* reading any further.
@@ -377,49 +401,53 @@
switch (type) {
case CREQ_BASE_TYPE_QP_EVENT:
bnxt_qplib_process_qp_event
- (rcfw, (struct creq_qp_event *)creqe);
- rcfw->creq_qp_event_processed++;
+ (rcfw, (struct creq_qp_event *)creqe,
+ &num_wakeup);
+ creq->stats.creq_qp_event_processed++;
break;
case CREQ_BASE_TYPE_FUNC_EVENT:
if (!bnxt_qplib_process_func_event
(rcfw, (struct creq_func_event *)creqe))
- rcfw->creq_func_event_processed++;
+ creq->stats.creq_func_event_processed++;
else
- dev_warn
- (&rcfw->pdev->dev, "QPLIB:aeqe:%#x Not handled",
- type);
+ dev_warn(&rcfw->pdev->dev,
+ "aeqe:%#x Not handled\n", type);
break;
default:
- dev_warn(&rcfw->pdev->dev, "QPLIB: creqe with ");
- dev_warn(&rcfw->pdev->dev,
- "QPLIB: op_event = 0x%x not handled", type);
+ if (type != ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT)
+ dev_warn(&rcfw->pdev->dev,
+ "creqe with event 0x%x not handled\n",
+ type);
break;
}
raw_cons++;
budget--;
}
- if (creq->cons != raw_cons) {
- creq->cons = raw_cons;
- CREQ_DB_REARM(rcfw->creq_bar_reg_iomem, raw_cons,
- creq->max_elements);
+ if (hwq->cons != raw_cons) {
+ hwq->cons = raw_cons;
+ bnxt_qplib_ring_nq_db(&creq->creq_db.dbinfo,
+ rcfw->res->cctx, true);
}
- spin_unlock_irqrestore(&creq->lock, flags);
+ spin_unlock_irqrestore(&hwq->lock, flags);
+ if (num_wakeup)
+ wake_up_nr(&rcfw->cmdq.waitq, num_wakeup);
}
static irqreturn_t bnxt_qplib_creq_irq(int irq, void *dev_instance)
{
struct bnxt_qplib_rcfw *rcfw = dev_instance;
- struct bnxt_qplib_hwq *creq = &rcfw->creq;
- struct creq_base **creq_ptr;
+ struct bnxt_qplib_creq_ctx *creq;
+ struct bnxt_qplib_hwq *hwq;
u32 sw_cons;
+ creq = &rcfw->creq;
+ hwq = &creq->hwq;
/* Prefetch the CREQ element */
- sw_cons = HWQ_CMP(creq->cons, creq);
- creq_ptr = (struct creq_base **)rcfw->creq.pbl_ptr;
- prefetch(&creq_ptr[get_creq_pg(sw_cons)][get_creq_idx(sw_cons)]);
+ sw_cons = HWQ_CMP(hwq->cons, hwq);
+ prefetch(bnxt_qplib_get_qe(hwq, sw_cons, NULL));
- tasklet_schedule(&rcfw->worker);
+ tasklet_schedule(&creq->creq_tasklet);
return IRQ_HANDLED;
}
@@ -438,33 +466,17 @@
if (rc)
return rc;
- clear_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags);
+ clear_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->cmdq.flags);
return 0;
-}
-
-static int __get_pbl_pg_idx(struct bnxt_qplib_pbl *pbl)
-{
- return (pbl->pg_size == ROCE_PG_SIZE_4K ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_4K :
- pbl->pg_size == ROCE_PG_SIZE_8K ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_8K :
- pbl->pg_size == ROCE_PG_SIZE_64K ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_64K :
- pbl->pg_size == ROCE_PG_SIZE_2M ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_2M :
- pbl->pg_size == ROCE_PG_SIZE_8M ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_8M :
- pbl->pg_size == ROCE_PG_SIZE_1G ?
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_1G :
- CMDQ_INITIALIZE_FW_QPC_PG_SIZE_PG_4K);
}
int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw,
struct bnxt_qplib_ctx *ctx, int is_virtfn)
{
- struct cmdq_initialize_fw req;
struct creq_initialize_fw_resp resp;
- u16 cmd_flags = 0, level;
+ struct cmdq_initialize_fw req;
+ u16 cmd_flags = 0;
+ u8 pgsz, lvl;
int rc;
RCFW_CMD_PREP(req, INITIALIZE_FW, cmd_flags);
@@ -474,38 +486,41 @@
req.log2_dbr_pg_size = cpu_to_le16(PAGE_SHIFT -
RCFW_DBR_BASE_PAGE_SHIFT);
/*
- * VFs need not setup the HW context area, PF
+ * Gen P5 devices doesn't require this allocation
+ * as the L2 driver does the same for RoCE also.
+ * Also, VFs need not setup the HW context area, PF
* shall setup this area for VF. Skipping the
* HW programming
*/
if (is_virtfn)
goto skip_ctx_setup;
+ if (bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
+ goto config_vf_res;
- level = ctx->qpc_tbl.level;
- req.qpc_pg_size_qpc_lvl = (level << CMDQ_INITIALIZE_FW_QPC_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->qpc_tbl.pbl[level]);
- level = ctx->mrw_tbl.level;
- req.mrw_pg_size_mrw_lvl = (level << CMDQ_INITIALIZE_FW_MRW_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->mrw_tbl.pbl[level]);
- level = ctx->srqc_tbl.level;
- req.srq_pg_size_srq_lvl = (level << CMDQ_INITIALIZE_FW_SRQ_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->srqc_tbl.pbl[level]);
- level = ctx->cq_tbl.level;
- req.cq_pg_size_cq_lvl = (level << CMDQ_INITIALIZE_FW_CQ_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->cq_tbl.pbl[level]);
- level = ctx->srqc_tbl.level;
- req.srq_pg_size_srq_lvl = (level << CMDQ_INITIALIZE_FW_SRQ_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->srqc_tbl.pbl[level]);
- level = ctx->cq_tbl.level;
- req.cq_pg_size_cq_lvl = (level << CMDQ_INITIALIZE_FW_CQ_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->cq_tbl.pbl[level]);
- level = ctx->tim_tbl.level;
- req.tim_pg_size_tim_lvl = (level << CMDQ_INITIALIZE_FW_TIM_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->tim_tbl.pbl[level]);
- level = ctx->tqm_pde_level;
- req.tqm_pg_size_tqm_lvl = (level << CMDQ_INITIALIZE_FW_TQM_LVL_SFT) |
- __get_pbl_pg_idx(&ctx->tqm_pde.pbl[level]);
-
+ lvl = ctx->qpc_tbl.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->qpc_tbl);
+ req.qpc_pg_size_qpc_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
+ lvl = ctx->mrw_tbl.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->mrw_tbl);
+ req.mrw_pg_size_mrw_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
+ lvl = ctx->srqc_tbl.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->srqc_tbl);
+ req.srq_pg_size_srq_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
+ lvl = ctx->cq_tbl.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->cq_tbl);
+ req.cq_pg_size_cq_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
+ lvl = ctx->tim_tbl.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->tim_tbl);
+ req.tim_pg_size_tim_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
+ lvl = ctx->tqm_ctx.pde.level;
+ pgsz = bnxt_qplib_base_pg_size(&ctx->tqm_ctx.pde);
+ req.tqm_pg_size_tqm_lvl = (pgsz << CMDQ_INITIALIZE_FW_QPC_PG_SIZE_SFT) |
+ lvl;
req.qpc_page_dir =
cpu_to_le64(ctx->qpc_tbl.pbl[PBL_LVL_0].pg_map_arr[0]);
req.mrw_page_dir =
@@ -517,13 +532,14 @@
req.tim_page_dir =
cpu_to_le64(ctx->tim_tbl.pbl[PBL_LVL_0].pg_map_arr[0]);
req.tqm_page_dir =
- cpu_to_le64(ctx->tqm_pde.pbl[PBL_LVL_0].pg_map_arr[0]);
+ cpu_to_le64(ctx->tqm_ctx.pde.pbl[PBL_LVL_0].pg_map_arr[0]);
req.number_of_qp = cpu_to_le32(ctx->qpc_tbl.max_elements);
req.number_of_mrw = cpu_to_le32(ctx->mrw_tbl.max_elements);
req.number_of_srq = cpu_to_le32(ctx->srqc_tbl.max_elements);
req.number_of_cq = cpu_to_le32(ctx->cq_tbl.max_elements);
+config_vf_res:
req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
@@ -536,50 +552,78 @@
NULL, 0);
if (rc)
return rc;
- set_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags);
+ set_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->cmdq.flags);
return 0;
}
void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
{
+ kfree(rcfw->cmdq.cmdq_bitmap);
kfree(rcfw->qp_tbl);
kfree(rcfw->crsqe_tbl);
- bnxt_qplib_free_hwq(rcfw->pdev, &rcfw->cmdq);
- bnxt_qplib_free_hwq(rcfw->pdev, &rcfw->creq);
+ bnxt_qplib_free_hwq(rcfw->res, &rcfw->cmdq.hwq);
+ bnxt_qplib_free_hwq(rcfw->res, &rcfw->creq.hwq);
rcfw->pdev = NULL;
}
-int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev,
+int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res,
struct bnxt_qplib_rcfw *rcfw,
+ struct bnxt_qplib_ctx *ctx,
int qp_tbl_sz)
{
- rcfw->pdev = pdev;
- rcfw->creq.max_elements = BNXT_QPLIB_CREQE_MAX_CNT;
- if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->creq, NULL, 0,
- &rcfw->creq.max_elements,
- BNXT_QPLIB_CREQE_UNITS, 0, PAGE_SIZE,
- HWQ_TYPE_L2_CMPL)) {
+ struct bnxt_qplib_hwq_attr hwq_attr = {};
+ struct bnxt_qplib_sg_info sginfo = {};
+ struct bnxt_qplib_cmdq_ctx *cmdq;
+ struct bnxt_qplib_creq_ctx *creq;
+ u32 bmap_size = 0;
+
+ rcfw->pdev = res->pdev;
+ cmdq = &rcfw->cmdq;
+ creq = &rcfw->creq;
+ rcfw->res = res;
+
+ sginfo.pgsize = PAGE_SIZE;
+ sginfo.pgshft = PAGE_SHIFT;
+
+ hwq_attr.sginfo = &sginfo;
+ hwq_attr.res = rcfw->res;
+ hwq_attr.depth = BNXT_QPLIB_CREQE_MAX_CNT;
+ hwq_attr.stride = BNXT_QPLIB_CREQE_UNITS;
+ hwq_attr.type = bnxt_qplib_get_hwq_type(res);
+
+ if (bnxt_qplib_alloc_init_hwq(&creq->hwq, &hwq_attr)) {
dev_err(&rcfw->pdev->dev,
- "QPLIB: HW channel CREQ allocation failed");
+ "HW channel CREQ allocation failed\n");
goto fail;
}
- rcfw->cmdq.max_elements = BNXT_QPLIB_CMDQE_MAX_CNT;
- if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->cmdq, NULL, 0,
- &rcfw->cmdq.max_elements,
- BNXT_QPLIB_CMDQE_UNITS, 0, PAGE_SIZE,
- HWQ_TYPE_CTX)) {
+ if (ctx->hwrm_intf_ver < HWRM_VERSION_RCFW_CMDQ_DEPTH_CHECK)
+ rcfw->cmdq_depth = BNXT_QPLIB_CMDQE_MAX_CNT_256;
+ else
+ rcfw->cmdq_depth = BNXT_QPLIB_CMDQE_MAX_CNT_8192;
+
+ sginfo.pgsize = bnxt_qplib_cmdqe_page_size(rcfw->cmdq_depth);
+ hwq_attr.depth = rcfw->cmdq_depth & 0x7FFFFFFF;
+ hwq_attr.stride = BNXT_QPLIB_CMDQE_UNITS;
+ hwq_attr.type = HWQ_TYPE_CTX;
+ if (bnxt_qplib_alloc_init_hwq(&cmdq->hwq, &hwq_attr)) {
dev_err(&rcfw->pdev->dev,
- "QPLIB: HW channel CMDQ allocation failed");
+ "HW channel CMDQ allocation failed\n");
goto fail;
}
- rcfw->crsqe_tbl = kcalloc(rcfw->cmdq.max_elements,
+ rcfw->crsqe_tbl = kcalloc(cmdq->hwq.max_elements,
sizeof(*rcfw->crsqe_tbl), GFP_KERNEL);
if (!rcfw->crsqe_tbl)
goto fail;
- rcfw->qp_tbl_size = qp_tbl_sz;
- rcfw->qp_tbl = kcalloc(qp_tbl_sz, sizeof(struct bnxt_qplib_qp_node),
+ bmap_size = BITS_TO_LONGS(rcfw->cmdq_depth) * sizeof(unsigned long);
+ cmdq->cmdq_bitmap = kzalloc(bmap_size, GFP_KERNEL);
+ if (!cmdq->cmdq_bitmap)
+ goto fail;
+
+ /* Allocate one extra to hold the QP1 entries */
+ rcfw->qp_tbl_size = qp_tbl_sz + 1;
+ rcfw->qp_tbl = kcalloc(rcfw->qp_tbl_size, sizeof(struct bnxt_qplib_qp_node),
GFP_KERNEL);
if (!rcfw->qp_tbl)
goto fail;
@@ -593,153 +637,224 @@
void bnxt_qplib_rcfw_stop_irq(struct bnxt_qplib_rcfw *rcfw, bool kill)
{
- tasklet_disable(&rcfw->worker);
- /* Mask h/w interrupts */
- CREQ_DB(rcfw->creq_bar_reg_iomem, rcfw->creq.cons,
- rcfw->creq.max_elements);
- /* Sync with last running IRQ-handler */
- synchronize_irq(rcfw->vector);
- if (kill)
- tasklet_kill(&rcfw->worker);
+ struct bnxt_qplib_creq_ctx *creq;
- if (rcfw->requested) {
- free_irq(rcfw->vector, rcfw);
- rcfw->requested = false;
- }
+ creq = &rcfw->creq;
+
+ if (!creq->requested)
+ return;
+
+ tasklet_disable(&creq->creq_tasklet);
+ /* Mask h/w interrupts */
+ bnxt_qplib_ring_nq_db(&creq->creq_db.dbinfo, rcfw->res->cctx, false);
+ /* Sync with last running IRQ-handler */
+ synchronize_irq(creq->msix_vec);
+ if (kill)
+ tasklet_kill(&creq->creq_tasklet);
+
+ free_irq(creq->msix_vec, rcfw);
+ kfree(creq->irq_name);
+ creq->irq_name = NULL;
+ creq->requested = false;
}
void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
{
+ struct bnxt_qplib_creq_ctx *creq;
+ struct bnxt_qplib_cmdq_ctx *cmdq;
unsigned long indx;
+ creq = &rcfw->creq;
+ cmdq = &rcfw->cmdq;
+ /* Make sure the HW channel is stopped! */
bnxt_qplib_rcfw_stop_irq(rcfw, true);
- iounmap(rcfw->cmdq_bar_reg_iomem);
- iounmap(rcfw->creq_bar_reg_iomem);
+ iounmap(cmdq->cmdq_mbox.reg.bar_reg);
+ iounmap(creq->creq_db.reg.bar_reg);
- indx = find_first_bit(rcfw->cmdq_bitmap, rcfw->bmap_size);
- if (indx != rcfw->bmap_size)
+ indx = find_first_bit(cmdq->cmdq_bitmap, rcfw->cmdq_depth);
+ if (indx != rcfw->cmdq_depth)
dev_err(&rcfw->pdev->dev,
- "QPLIB: disabling RCFW with pending cmd-bit %lx", indx);
- kfree(rcfw->cmdq_bitmap);
- rcfw->bmap_size = 0;
+ "disabling RCFW with pending cmd-bit %lx\n", indx);
- rcfw->cmdq_bar_reg_iomem = NULL;
- rcfw->creq_bar_reg_iomem = NULL;
- rcfw->aeq_handler = NULL;
- rcfw->vector = 0;
+ cmdq->cmdq_mbox.reg.bar_reg = NULL;
+ creq->creq_db.reg.bar_reg = NULL;
+ creq->aeq_handler = NULL;
+ creq->msix_vec = 0;
}
int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, int msix_vector,
bool need_init)
{
+ struct bnxt_qplib_creq_ctx *creq;
+ struct bnxt_qplib_res *res;
int rc;
- if (rcfw->requested)
+ creq = &rcfw->creq;
+ res = rcfw->res;
+
+ if (creq->requested)
return -EFAULT;
- rcfw->vector = msix_vector;
+ creq->msix_vec = msix_vector;
if (need_init)
- tasklet_init(&rcfw->worker,
- bnxt_qplib_service_creq, (unsigned long)rcfw);
+ tasklet_setup(&creq->creq_tasklet, bnxt_qplib_service_creq);
else
- tasklet_enable(&rcfw->worker);
- rc = request_irq(rcfw->vector, bnxt_qplib_creq_irq, 0,
- "bnxt_qplib_creq", rcfw);
- if (rc)
+ tasklet_enable(&creq->creq_tasklet);
+
+ creq->irq_name = kasprintf(GFP_KERNEL, "bnxt_re-creq@pci:%s",
+ pci_name(res->pdev));
+ if (!creq->irq_name)
+ return -ENOMEM;
+ rc = request_irq(creq->msix_vec, bnxt_qplib_creq_irq, 0,
+ creq->irq_name, rcfw);
+ if (rc) {
+ kfree(creq->irq_name);
+ creq->irq_name = NULL;
+ tasklet_disable(&creq->creq_tasklet);
return rc;
- rcfw->requested = true;
- CREQ_DB_REARM(rcfw->creq_bar_reg_iomem, rcfw->creq.cons,
- rcfw->creq.max_elements);
+ }
+ creq->requested = true;
+
+ bnxt_qplib_ring_nq_db(&creq->creq_db.dbinfo, res->cctx, true);
return 0;
}
-int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
- struct bnxt_qplib_rcfw *rcfw,
+static int bnxt_qplib_map_cmdq_mbox(struct bnxt_qplib_rcfw *rcfw, bool is_vf)
+{
+ struct bnxt_qplib_cmdq_mbox *mbox;
+ resource_size_t bar_reg;
+ struct pci_dev *pdev;
+ u16 prod_offt;
+ int rc = 0;
+
+ pdev = rcfw->pdev;
+ mbox = &rcfw->cmdq.cmdq_mbox;
+
+ mbox->reg.bar_id = RCFW_COMM_PCI_BAR_REGION;
+ mbox->reg.len = RCFW_COMM_SIZE;
+ mbox->reg.bar_base = pci_resource_start(pdev, mbox->reg.bar_id);
+ if (!mbox->reg.bar_base) {
+ dev_err(&pdev->dev,
+ "QPLIB: CMDQ BAR region %d resc start is 0!\n",
+ mbox->reg.bar_id);
+ return -ENOMEM;
+ }
+
+ bar_reg = mbox->reg.bar_base + RCFW_COMM_BASE_OFFSET;
+ mbox->reg.len = RCFW_COMM_SIZE;
+ mbox->reg.bar_reg = ioremap(bar_reg, mbox->reg.len);
+ if (!mbox->reg.bar_reg) {
+ dev_err(&pdev->dev,
+ "QPLIB: CMDQ BAR region %d mapping failed\n",
+ mbox->reg.bar_id);
+ return -ENOMEM;
+ }
+
+ prod_offt = is_vf ? RCFW_VF_COMM_PROD_OFFSET :
+ RCFW_PF_COMM_PROD_OFFSET;
+ mbox->prod = (void __iomem *)(mbox->reg.bar_reg + prod_offt);
+ mbox->db = (void __iomem *)(mbox->reg.bar_reg + RCFW_COMM_TRIG_OFFSET);
+ return rc;
+}
+
+static int bnxt_qplib_map_creq_db(struct bnxt_qplib_rcfw *rcfw, u32 reg_offt)
+{
+ struct bnxt_qplib_creq_db *creq_db;
+ resource_size_t bar_reg;
+ struct pci_dev *pdev;
+
+ pdev = rcfw->pdev;
+ creq_db = &rcfw->creq.creq_db;
+
+ creq_db->reg.bar_id = RCFW_COMM_CONS_PCI_BAR_REGION;
+ creq_db->reg.bar_base = pci_resource_start(pdev, creq_db->reg.bar_id);
+ if (!creq_db->reg.bar_id)
+ dev_err(&pdev->dev,
+ "QPLIB: CREQ BAR region %d resc start is 0!",
+ creq_db->reg.bar_id);
+
+ bar_reg = creq_db->reg.bar_base + reg_offt;
+ /* Unconditionally map 8 bytes to support 57500 series */
+ creq_db->reg.len = 8;
+ creq_db->reg.bar_reg = ioremap(bar_reg, creq_db->reg.len);
+ if (!creq_db->reg.bar_reg) {
+ dev_err(&pdev->dev,
+ "QPLIB: CREQ BAR region %d mapping failed",
+ creq_db->reg.bar_id);
+ return -ENOMEM;
+ }
+ creq_db->dbinfo.db = creq_db->reg.bar_reg;
+ creq_db->dbinfo.hwq = &rcfw->creq.hwq;
+ creq_db->dbinfo.xid = rcfw->creq.ring_id;
+ return 0;
+}
+
+static void bnxt_qplib_start_rcfw(struct bnxt_qplib_rcfw *rcfw)
+{
+ struct bnxt_qplib_cmdq_ctx *cmdq;
+ struct bnxt_qplib_creq_ctx *creq;
+ struct bnxt_qplib_cmdq_mbox *mbox;
+ struct cmdq_init init = {0};
+
+ cmdq = &rcfw->cmdq;
+ creq = &rcfw->creq;
+ mbox = &cmdq->cmdq_mbox;
+
+ init.cmdq_pbl = cpu_to_le64(cmdq->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
+ init.cmdq_size_cmdq_lvl =
+ cpu_to_le16(((rcfw->cmdq_depth <<
+ CMDQ_INIT_CMDQ_SIZE_SFT) &
+ CMDQ_INIT_CMDQ_SIZE_MASK) |
+ ((cmdq->hwq.level <<
+ CMDQ_INIT_CMDQ_LVL_SFT) &
+ CMDQ_INIT_CMDQ_LVL_MASK));
+ init.creq_ring_id = cpu_to_le16(creq->ring_id);
+ /* Write to the Bono mailbox register */
+ __iowrite32_copy(mbox->reg.bar_reg, &init, sizeof(init) / 4);
+}
+
+int bnxt_qplib_enable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw,
int msix_vector,
int cp_bar_reg_off, int virt_fn,
- int (*aeq_handler)(struct bnxt_qplib_rcfw *,
- void *, void *))
+ aeq_handler_t aeq_handler)
{
- resource_size_t res_base;
- struct cmdq_init init;
- u16 bmap_size;
+ struct bnxt_qplib_cmdq_ctx *cmdq;
+ struct bnxt_qplib_creq_ctx *creq;
int rc;
- /* General */
- rcfw->seq_num = 0;
- set_bit(FIRMWARE_FIRST_FLAG, &rcfw->flags);
- bmap_size = BITS_TO_LONGS(RCFW_MAX_OUTSTANDING_CMD *
- sizeof(unsigned long));
- rcfw->cmdq_bitmap = kzalloc(bmap_size, GFP_KERNEL);
- if (!rcfw->cmdq_bitmap)
- return -ENOMEM;
- rcfw->bmap_size = bmap_size;
+ cmdq = &rcfw->cmdq;
+ creq = &rcfw->creq;
- /* CMDQ */
- rcfw->cmdq_bar_reg = RCFW_COMM_PCI_BAR_REGION;
- res_base = pci_resource_start(pdev, rcfw->cmdq_bar_reg);
- if (!res_base)
- return -ENOMEM;
+ /* Clear to defaults */
- rcfw->cmdq_bar_reg_iomem = ioremap_nocache(res_base +
- RCFW_COMM_BASE_OFFSET,
- RCFW_COMM_SIZE);
- if (!rcfw->cmdq_bar_reg_iomem) {
- dev_err(&rcfw->pdev->dev,
- "QPLIB: CMDQ BAR region %d mapping failed",
- rcfw->cmdq_bar_reg);
- return -ENOMEM;
- }
+ cmdq->seq_num = 0;
+ set_bit(FIRMWARE_FIRST_FLAG, &cmdq->flags);
+ init_waitqueue_head(&cmdq->waitq);
- rcfw->cmdq_bar_reg_prod_off = virt_fn ? RCFW_VF_COMM_PROD_OFFSET :
- RCFW_PF_COMM_PROD_OFFSET;
+ creq->stats.creq_qp_event_processed = 0;
+ creq->stats.creq_func_event_processed = 0;
+ creq->aeq_handler = aeq_handler;
- rcfw->cmdq_bar_reg_trig_off = RCFW_COMM_TRIG_OFFSET;
+ rc = bnxt_qplib_map_cmdq_mbox(rcfw, virt_fn);
+ if (rc)
+ return rc;
- /* CREQ */
- rcfw->creq_bar_reg = RCFW_COMM_CONS_PCI_BAR_REGION;
- res_base = pci_resource_start(pdev, rcfw->creq_bar_reg);
- if (!res_base)
- dev_err(&rcfw->pdev->dev,
- "QPLIB: CREQ BAR region %d resc start is 0!",
- rcfw->creq_bar_reg);
- rcfw->creq_bar_reg_iomem = ioremap_nocache(res_base + cp_bar_reg_off,
- 4);
- if (!rcfw->creq_bar_reg_iomem) {
- dev_err(&rcfw->pdev->dev,
- "QPLIB: CREQ BAR region %d mapping failed",
- rcfw->creq_bar_reg);
- iounmap(rcfw->cmdq_bar_reg_iomem);
- rcfw->cmdq_bar_reg_iomem = NULL;
- return -ENOMEM;
- }
- rcfw->creq_qp_event_processed = 0;
- rcfw->creq_func_event_processed = 0;
-
- if (aeq_handler)
- rcfw->aeq_handler = aeq_handler;
- init_waitqueue_head(&rcfw->waitq);
+ rc = bnxt_qplib_map_creq_db(rcfw, cp_bar_reg_off);
+ if (rc)
+ return rc;
rc = bnxt_qplib_rcfw_start_irq(rcfw, msix_vector, true);
if (rc) {
dev_err(&rcfw->pdev->dev,
- "QPLIB: Failed to request IRQ for CREQ rc = 0x%x", rc);
+ "Failed to request IRQ for CREQ rc = 0x%x\n", rc);
bnxt_qplib_disable_rcfw_channel(rcfw);
return rc;
}
- init.cmdq_pbl = cpu_to_le64(rcfw->cmdq.pbl[PBL_LVL_0].pg_map_arr[0]);
- init.cmdq_size_cmdq_lvl = cpu_to_le16(
- ((BNXT_QPLIB_CMDQE_MAX_CNT << CMDQ_INIT_CMDQ_SIZE_SFT) &
- CMDQ_INIT_CMDQ_SIZE_MASK) |
- ((rcfw->cmdq.level << CMDQ_INIT_CMDQ_LVL_SFT) &
- CMDQ_INIT_CMDQ_LVL_MASK));
- init.creq_ring_id = cpu_to_le16(rcfw->creq_ring_id);
+ bnxt_qplib_start_rcfw(rcfw);
- /* Write to the Bono mailbox register */
- __iowrite32_copy(rcfw->cmdq_bar_reg_iomem, &init, sizeof(init) / 4);
return 0;
}
@@ -754,8 +869,8 @@
return NULL;
sbuf->size = size;
- sbuf->sb = dma_zalloc_coherent(&rcfw->pdev->dev, sbuf->size,
- &sbuf->dma_addr, GFP_ATOMIC);
+ sbuf->sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf->size,
+ &sbuf->dma_addr, GFP_ATOMIC);
if (!sbuf->sb)
goto bail;
--
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