#define QAT_CSR_HEAD_WRITE_THRESH 32U
/* number of requests to accumulate before writing head CSR */
+#define QAT_CSR_TAIL_WRITE_THRESH 32U
+/* number of requests to accumulate before writing tail CSR */
+#define QAT_CSR_TAIL_FORCE_WRITE_THRESH 256U
+/* number of inflights below which no tail write coalescing should occur */
struct qat_session;
struct qat_queue {
char memz_name[RTE_MEMZONE_NAMESIZE];
void *base_addr; /* Base address */
- phys_addr_t base_phys_addr; /* Queue physical address */
+ rte_iova_t base_phys_addr; /* Queue physical address */
uint32_t head; /* Shadow copy of the head */
uint32_t tail; /* Shadow copy of the tail */
uint32_t modulo;
uint8_t hw_queue_number;
/* HW queue aka ring offset on bundle */
uint32_t csr_head; /* last written head value */
+ uint32_t csr_tail; /* last written tail value */
uint16_t nb_processed_responses;
/* number of responses processed since last CSR head write */
+ uint16_t nb_pending_requests;
+ /* number of requests pending since last CSR tail write */
};
struct qat_qp {