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cf84de8)
Add support for periodic Doorbell Recovery.
Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
#define OSAL_DIV_S64(a, b) ((a) / (b))
#define OSAL_LLDP_RX_TLVS(p_hwfn, tlv_buf, tlv_size) nothing
#define OSAL_DBG_ALLOC_USER_DATA(p_hwfn, user_data_ptr) (0)
#define OSAL_DIV_S64(a, b) ((a) / (b))
#define OSAL_LLDP_RX_TLVS(p_hwfn, tlv_buf, tlv_size) nothing
#define OSAL_DBG_ALLOC_USER_DATA(p_hwfn, user_data_ptr) (0)
+#define OSAL_DB_REC_OCCURRED(p_hwfn) nothing
#endif /* __BCM_OSAL_H */
#endif /* __BCM_OSAL_H */
#define ECORE_DORQ_ATTENTION_SIZE_MASK (0x7f)
#define ECORE_DORQ_ATTENTION_SIZE_SHIFT (16)
#define ECORE_DORQ_ATTENTION_SIZE_MASK (0x7f)
#define ECORE_DORQ_ATTENTION_SIZE_SHIFT (16)
-#define ECORE_DB_REC_COUNT 10
+#define ECORE_DB_REC_COUNT 1000
#define ECORE_DB_REC_INTERVAL 100
static enum _ecore_status_t ecore_db_rec_flush_queue(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
#define ECORE_DB_REC_INTERVAL 100
static enum _ecore_status_t ecore_db_rec_flush_queue(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
- u8 count = ECORE_DB_REC_COUNT;
+ u32 count = ECORE_DB_REC_COUNT;
u32 usage = 1;
/* wait for usage to zero or count to run out. This is necessary since
u32 usage = 1;
/* wait for usage to zero or count to run out. This is necessary since
-/* assumes sticky overflow indication was set for this PF */
-static enum _ecore_status_t ecore_db_rec_attn(struct ecore_hwfn *p_hwfn,
- struct ecore_ptt *p_ptt)
+enum _ecore_status_t ecore_db_rec_handler(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+ overflow = ecore_rd(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY);
+ DP_NOTICE(p_hwfn, false, "PF Overflow sticky 0x%x\n", overflow);
+ if (!overflow) {
+ ecore_db_recovery_execute(p_hwfn, DB_REC_ONCE);
+ return ECORE_SUCCESS;
+ }
+
if (ecore_edpm_enabled(p_hwfn)) {
rc = ecore_db_rec_flush_queue(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS)
if (ecore_edpm_enabled(p_hwfn)) {
rc = ecore_db_rec_flush_queue(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS)
static enum _ecore_status_t ecore_dorq_attn_cb(struct ecore_hwfn *p_hwfn)
{
static enum _ecore_status_t ecore_dorq_attn_cb(struct ecore_hwfn *p_hwfn)
{
- u32 int_sts, first_drop_reason, details, address, overflow,
- all_drops_reason;
+ u32 int_sts, first_drop_reason, details, address, all_drops_reason;
struct ecore_ptt *p_ptt = p_hwfn->p_dpc_ptt;
enum _ecore_status_t rc;
struct ecore_ptt *p_ptt = p_hwfn->p_dpc_ptt;
enum _ecore_status_t rc;
DORQ_REG_DB_DROP_DETAILS);
address = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_ADDRESS);
DORQ_REG_DB_DROP_DETAILS);
address = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_ADDRESS);
- overflow = ecore_rd(p_hwfn, p_ptt,
- DORQ_REG_PF_OVFL_STICKY);
all_drops_reason = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_REASON);
all_drops_reason = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_REASON);
"FID\t\t0x%04x\t\t(Opaque FID)\n"
"Size\t\t0x%04x\t\t(in bytes)\n"
"1st drop reason\t0x%08x\t(details on first drop since last handling)\n"
"FID\t\t0x%04x\t\t(Opaque FID)\n"
"Size\t\t0x%04x\t\t(in bytes)\n"
"1st drop reason\t0x%08x\t(details on first drop since last handling)\n"
- "Sticky reasons\t0x%08x\t(all drop reasons since last handling)\n"
- "Overflow\t0x%x\t\t(a per PF indication)\n",
+ "Sticky reasons\t0x%08x\t(all drop reasons since last handling)\n",
address,
GET_FIELD(details, ECORE_DORQ_ATTENTION_OPAQUE),
GET_FIELD(details, ECORE_DORQ_ATTENTION_SIZE) * 4,
address,
GET_FIELD(details, ECORE_DORQ_ATTENTION_OPAQUE),
GET_FIELD(details, ECORE_DORQ_ATTENTION_SIZE) * 4,
- first_drop_reason, all_drops_reason, overflow);
+ first_drop_reason, all_drops_reason);
- /* if this PF caused overflow, initiate recovery */
- if (overflow) {
- rc = ecore_db_rec_attn(p_hwfn, p_ptt);
- if (rc != ECORE_SUCCESS)
- return rc;
- }
+ rc = ecore_db_rec_handler(p_hwfn, p_ptt);
+ OSAL_DB_REC_OCCURRED(p_hwfn);
+ if (rc != ECORE_SUCCESS)
+ return rc;
/* clear the doorbell drop details and prepare for next drop */
ecore_wr(p_hwfn, p_ptt, DORQ_REG_DB_DROP_DETAILS_REL, 0);
/* clear the doorbell drop details and prepare for next drop */
ecore_wr(p_hwfn, p_ptt, DORQ_REG_DB_DROP_DETAILS_REL, 0);
enum _ecore_status_t
ecore_int_igu_relocate_sb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
u16 sb_id, bool b_to_vf);
enum _ecore_status_t
ecore_int_igu_relocate_sb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
u16 sb_id, bool b_to_vf);
+
+/**
+ * @brief - Doorbell Recovery handler.
+ * Run DB_REAL_DEAL doorbell recovery in case of PF overflow
+ * (and flush DORQ if needed), otherwise run DB_REC_ONCE.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+enum _ecore_status_t ecore_db_rec_handler(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt);