goto out;
/*
- * It is timeout when wait_for_completion_timeout return 0
- * The return value is the time limit set in advance
- * how many seconds showing
- */
+ * It is timeout when wait_for_completion_timeout return 0
+ * The return value is the time limit set in advance
+ * how many seconds showing
+ */
if (!wait_for_completion_timeout(&context->done,
msecs_to_jiffies(timeout))) {
dev_err(dev, "[cmd]wait_for_completion_timeout timeout\n");
/* Order = 0: bitmap is biggest, order = max bitmap is least (only a bit) */
/* Every bit repesent to a partner free/used status in bitmap */
/*
-* Initial, bits of other bitmap are all 0 except that a bit of max_order is 1
-* Bit = 1 represent to idle and available; bit = 0: not available
-*/
+ * Initial, bits of other bitmap are all 0 except that a bit of max_order is 1
+ * Bit = 1 represent to idle and available; bit = 0: not available
+ */
struct hns_roce_buddy {
/* Members point to every order level bitmap */
unsigned long **bits;
struct mutex hcr_mutex;
struct semaphore poll_sem;
/*
- * Event mode: cmd register mutex protection,
- * ensure to not exceed max_cmds and user use limit region
- */
+ * Event mode: cmd register mutex protection,
+ * ensure to not exceed max_cmds and user use limit region
+ */
struct semaphore event_sem;
int max_cmds;
spinlock_t context_lock;
int free_head;
struct hns_roce_cmd_context *context;
/*
- * Result of get integer part
- * which max_comds compute according a power of 2
- */
+ * Result of get integer part
+ * which max_comds compute according a power of 2
+ */
u16 token_mask;
/*
- * Process whether use event mode, init default non-zero
- * After the event queue of cmd event ready,
- * can switch into event mode
- * close device, switch into poll mode(non event mode)
- */
+ * Process whether use event mode, init default non-zero
+ * After the event queue of cmd event ready,
+ * can switch into event mode
+ * close device, switch into poll mode(non event mode)
+ */
u8 use_events;
u8 toggle;
};
int i = 0;
/**
- * AEQ overflow ECC mult bit err CEQ overflow alarm
- * must clear interrupt, mask irq, clear irq, cancel mask operation
- */
+ * AEQ overflow ECC mult bit err CEQ overflow alarm
+ * must clear interrupt, mask irq, clear irq, cancel mask operation
+ */
aeshift_val = roce_read(hr_dev, ROCEE_CAEP_AEQC_AEQE_SHIFT_REG);
if (roce_get_bit(aeshift_val,
--order;
/*
- * Alloc memory one time. If failed, don't alloc small block
- * memory, directly return fail.
- */
+ * Alloc memory one time. If failed, don't alloc small block
+ * memory, directly return fail.
+ */
mem = &chunk->mem[chunk->npages];
buf = dma_alloc_coherent(&hr_dev->pdev->dev, PAGE_SIZE << order,
&sg_dma_address(mem), gfp_mask);
}
/*
- * Now backwards through the CQ, removing CQ entries
- * that match our QP by overwriting them with next entries.
- */
+ * Now backwards through the CQ, removing CQ entries
+ * that match our QP by overwriting them with next entries.
+ */
while ((int) --prod_index - (int) hr_cq->cons_index >= 0) {
cqe = get_cqe(hr_cq, prod_index & hr_cq->ib_cq.cqe);
if ((roce_get_field(cqe->cqe_byte_16, CQE_BYTE_16_LOCAL_QPN_M,
if (nfreed) {
hr_cq->cons_index += nfreed;
/*
- * Make sure update of buffer contents is done before
- * updating consumer index.
- */
+ * Make sure update of buffer contents is done before
+ * updating consumer index.
+ */
wmb();
hns_roce_v1_cq_set_ci(hr_cq, hr_cq->cons_index);
roce_set_bit(cq_context->cqc_byte_32,
CQ_CQNTEXT_CQC_BYTE_32_TYPE_OF_COMPLETION_NOTIFICATION_S,
0);
- /*The initial value of cq's ci is 0 */
+ /* The initial value of cq's ci is 0 */
roce_set_field(cq_context->cqc_byte_32,
CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_M,
CQ_CONTEXT_CQC_BYTE_32_CQ_CONS_IDX_S, 0);
notification_flag = (flags & IB_CQ_SOLICITED_MASK) ==
IB_CQ_SOLICITED ? CQ_DB_REQ_NOT : CQ_DB_REQ_NOT_SOL;
/*
- * flags = 0; Notification Flag = 1, next
- * flags = 1; Notification Flag = 0, solocited
- */
+ * flags = 0; Notification Flag = 1, next
+ * flags = 1; Notification Flag = 0, solocited
+ */
doorbell[0] = hr_cq->cons_index & ((hr_cq->cq_depth << 1) - 1);
roce_set_bit(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_HW_SYNS_S, 1);
roce_set_field(doorbell[1], ROCEE_DB_OTHERS_H_ROCEE_DB_OTH_CMD_M,
wq = &(*cur_qp)->sq;
if ((*cur_qp)->sq_signal_bits) {
/*
- * If sg_signal_bit is 1,
- * firstly tail pointer updated to wqe
- * which current cqe correspond to
- */
+ * If sg_signal_bit is 1,
+ * firstly tail pointer updated to wqe
+ * which current cqe correspond to
+ */
wqe_ctr = (u16)roce_get_field(cqe->cqe_byte_4,
CQE_BYTE_4_WQE_INDEX_M,
CQE_BYTE_4_WQE_INDEX_S);
}
/*
- *Reset to init
- * Mandatory param:
- * IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_PORT | IB_QP_ACCESS_FLAGS
- * Optional param: NA
- */
+ * Reset to init
+ * Mandatory param:
+ * IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_PORT | IB_QP_ACCESS_FLAGS
+ * Optional param: NA
+ */
if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
roce_set_field(context->qpc_bytes_4,
QP_CONTEXT_QPC_BYTES_4_TRANSPORT_SERVICE_TYPE_M,
}
/*
- * Use rst2init to instead of init2init with drv,
- * need to hw to flash RQ HEAD by DB again
- */
+ * Use rst2init to instead of init2init with drv,
+ * need to hw to flash RQ HEAD by DB again
+ */
if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) {
/* Memory barrier */
wmb();
if (hr_qp->ibqp.qp_type == IB_QPT_RC) {
if (hr_qp->state != IB_QPS_RESET) {
/*
- * Set qp to ERR,
- * waiting for hw complete processing all dbs
- */
+ * Set qp to ERR,
+ * waiting for hw complete processing all dbs
+ */
if (hns_roce_v1_qp_modify(hr_dev, NULL,
to_hns_roce_state(
(enum ib_qp_state)hr_qp->state),
sdbisusepr_val = roce_read(hr_dev,
ROCEE_SDB_ISSUE_PTR_REG);
/*
- * Query db process status,
- * until hw process completely
- */
+ * Query db process status,
+ * until hw process completely
+ */
end = msecs_to_jiffies(
HNS_ROCE_QP_DESTROY_TIMEOUT_MSECS) + jiffies;
do {
break;
case NETDEV_DOWN:
/*
- * In v1 engine, only support all ports closed together.
- */
+ * In v1 engine, only support all ports closed together.
+ */
break;
default:
dev_dbg(dev, "NETDEV event = 0x%x!\n", (u32)(event));
}
/**
-* hns_roce_setup_hca - setup host channel adapter
-* @hr_dev: pointer to hns roce device
-* Return : int
-*/
+ * hns_roce_setup_hca - setup host channel adapter
+ * @hr_dev: pointer to hns roce device
+ * Return : int
+ */
static int hns_roce_setup_hca(struct hns_roce_dev *hr_dev)
{
int ret;
}
/**
-* hns_roce_probe - RoCE driver entrance
-* @pdev: pointer to platform device
-* Return : int
-*
-*/
+ * hns_roce_probe - RoCE driver entrance
+ * @pdev: pointer to platform device
+ * Return : int
+ *
+ */
static int hns_roce_probe(struct platform_device *pdev)
{
int ret;
}
/**
-* hns_roce_remove - remove RoCE device
-* @pdev: pointer to platform device
-*/
+ * hns_roce_remove - remove RoCE device
+ * @pdev: pointer to platform device
+ */
static int hns_roce_remove(struct platform_device *pdev)
{
struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
projects / linux-beck.git / commitdiff