From: Nagadheeraj Rottela Date: Tue, 1 Oct 2019 06:41:27 +0000 (+0000) Subject: crypto/nitrox: add hardware queue management X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=32e4930d5a3b;p=dpdk.git crypto/nitrox: add hardware queue management Add hardware queue management code corresponding to queue pair setup and release functions. Signed-off-by: Nagadheeraj Rottela Acked-by: Akhil Goyal --- diff --git a/drivers/crypto/nitrox/nitrox_csr.h b/drivers/crypto/nitrox/nitrox_csr.h index 8791045150..8cd92e38be 100644 --- a/drivers/crypto/nitrox/nitrox_csr.h +++ b/drivers/crypto/nitrox/nitrox_csr.h @@ -9,6 +9,18 @@ #include #define CSR_DELAY 30 +#define NITROX_CSR_ADDR(bar_addr, offset) (bar_addr + (offset)) + +/* NPS packet registers */ +#define NPS_PKT_IN_INSTR_CTLX(_i) (0x10060 + ((_i) * 0x40000)) +#define NPS_PKT_IN_INSTR_BADDRX(_i) (0x10068 + ((_i) * 0x40000)) +#define NPS_PKT_IN_INSTR_RSIZEX(_i) (0x10070 + ((_i) * 0x40000)) +#define NPS_PKT_IN_DONE_CNTSX(_i) (0x10080 + ((_i) * 0x40000)) +#define NPS_PKT_IN_INSTR_BAOFF_DBELLX(_i) (0x10078 + ((_i) * 0x40000)) +#define NPS_PKT_IN_INT_LEVELSX(_i) (0x10088 + ((_i) * 0x40000)) +#define NPS_PKT_SLC_CTLX(_i) (0x10000 + ((_i) * 0x40000)) +#define NPS_PKT_SLC_CNTSX(_i) (0x10008 + ((_i) * 0x40000)) +#define NPS_PKT_SLC_INT_LEVELSX(_i) (0x10010 + ((_i) * 0x40000)) /* AQM Virtual Function Registers */ #define AQMQ_QSZX(_i) (0x20008 + ((_i)*0x40000)) diff --git a/drivers/crypto/nitrox/nitrox_hal.c b/drivers/crypto/nitrox/nitrox_hal.c index ed18820162..433f3adb20 100644 --- a/drivers/crypto/nitrox/nitrox_hal.c +++ b/drivers/crypto/nitrox/nitrox_hal.c @@ -12,6 +12,157 @@ #define MAX_VF_QUEUES 8 #define MAX_PF_QUEUES 64 +#define NITROX_TIMER_THOLD 0x3FFFFF +#define NITROX_COUNT_THOLD 0xFFFFFFFF + +void +nps_pkt_input_ring_disable(uint8_t *bar_addr, uint16_t ring) +{ + union nps_pkt_in_instr_ctl pkt_in_instr_ctl; + uint64_t reg_addr; + int max_retries = 5; + + reg_addr = NPS_PKT_IN_INSTR_CTLX(ring); + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + pkt_in_instr_ctl.s.enb = 0; + nitrox_write_csr(bar_addr, reg_addr, pkt_in_instr_ctl.u64); + rte_delay_us_block(100); + + /* wait for enable bit to be cleared */ + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + while (pkt_in_instr_ctl.s.enb && max_retries--) { + rte_delay_ms(10); + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + } +} + +void +nps_pkt_solicited_port_disable(uint8_t *bar_addr, uint16_t port) +{ + union nps_pkt_slc_ctl pkt_slc_ctl; + uint64_t reg_addr; + int max_retries = 5; + + /* clear enable bit */ + reg_addr = NPS_PKT_SLC_CTLX(port); + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + pkt_slc_ctl.s.enb = 0; + nitrox_write_csr(bar_addr, reg_addr, pkt_slc_ctl.u64); + rte_delay_us_block(100); + + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + while (pkt_slc_ctl.s.enb && max_retries--) { + rte_delay_ms(10); + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + } +} + +void +setup_nps_pkt_input_ring(uint8_t *bar_addr, uint16_t ring, uint32_t rsize, + phys_addr_t raddr) +{ + union nps_pkt_in_instr_ctl pkt_in_instr_ctl; + union nps_pkt_in_instr_rsize pkt_in_instr_rsize; + union nps_pkt_in_instr_baoff_dbell pkt_in_instr_baoff_dbell; + union nps_pkt_in_done_cnts pkt_in_done_cnts; + uint64_t base_addr, reg_addr; + int max_retries = 5; + + nps_pkt_input_ring_disable(bar_addr, ring); + + /* write base address */ + reg_addr = NPS_PKT_IN_INSTR_BADDRX(ring); + base_addr = raddr; + nitrox_write_csr(bar_addr, reg_addr, base_addr); + rte_delay_us_block(CSR_DELAY); + + /* write ring size */ + reg_addr = NPS_PKT_IN_INSTR_RSIZEX(ring); + pkt_in_instr_rsize.u64 = 0; + pkt_in_instr_rsize.s.rsize = rsize; + nitrox_write_csr(bar_addr, reg_addr, pkt_in_instr_rsize.u64); + rte_delay_us_block(CSR_DELAY); + + /* clear door bell */ + reg_addr = NPS_PKT_IN_INSTR_BAOFF_DBELLX(ring); + pkt_in_instr_baoff_dbell.u64 = 0; + pkt_in_instr_baoff_dbell.s.dbell = 0xFFFFFFFF; + nitrox_write_csr(bar_addr, reg_addr, pkt_in_instr_baoff_dbell.u64); + rte_delay_us_block(CSR_DELAY); + + /* clear done count */ + reg_addr = NPS_PKT_IN_DONE_CNTSX(ring); + pkt_in_done_cnts.u64 = nitrox_read_csr(bar_addr, reg_addr); + nitrox_write_csr(bar_addr, reg_addr, pkt_in_done_cnts.u64); + rte_delay_us_block(CSR_DELAY); + + /* Setup PKT IN RING Interrupt Threshold */ + reg_addr = NPS_PKT_IN_INT_LEVELSX(ring); + nitrox_write_csr(bar_addr, reg_addr, 0xFFFFFFFF); + rte_delay_us_block(CSR_DELAY); + + /* enable ring */ + reg_addr = NPS_PKT_IN_INSTR_CTLX(ring); + pkt_in_instr_ctl.u64 = 0; + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + pkt_in_instr_ctl.s.is64b = 1; + pkt_in_instr_ctl.s.enb = 1; + nitrox_write_csr(bar_addr, reg_addr, pkt_in_instr_ctl.u64); + rte_delay_us_block(100); + + pkt_in_instr_ctl.u64 = 0; + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + /* wait for ring to be enabled */ + while (!pkt_in_instr_ctl.s.enb && max_retries--) { + rte_delay_ms(10); + pkt_in_instr_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + } +} + +void +setup_nps_pkt_solicit_output_port(uint8_t *bar_addr, uint16_t port) +{ + union nps_pkt_slc_ctl pkt_slc_ctl; + union nps_pkt_slc_cnts pkt_slc_cnts; + union nps_pkt_slc_int_levels pkt_slc_int_levels; + uint64_t reg_addr; + int max_retries = 5; + + nps_pkt_solicited_port_disable(bar_addr, port); + + /* clear pkt counts */ + reg_addr = NPS_PKT_SLC_CNTSX(port); + pkt_slc_cnts.u64 = nitrox_read_csr(bar_addr, reg_addr); + nitrox_write_csr(bar_addr, reg_addr, pkt_slc_cnts.u64); + rte_delay_us_block(CSR_DELAY); + + /* slc interrupt levels */ + reg_addr = NPS_PKT_SLC_INT_LEVELSX(port); + pkt_slc_int_levels.u64 = 0; + pkt_slc_int_levels.s.bmode = 0; + pkt_slc_int_levels.s.timet = NITROX_TIMER_THOLD; + + if (NITROX_COUNT_THOLD > 0) + pkt_slc_int_levels.s.cnt = NITROX_COUNT_THOLD - 1; + + nitrox_write_csr(bar_addr, reg_addr, pkt_slc_int_levels.u64); + rte_delay_us_block(CSR_DELAY); + + /* enable ring */ + reg_addr = NPS_PKT_SLC_CTLX(port); + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + pkt_slc_ctl.s.rh = 1; + pkt_slc_ctl.s.z = 1; + pkt_slc_ctl.s.enb = 1; + nitrox_write_csr(bar_addr, reg_addr, pkt_slc_ctl.u64); + rte_delay_us_block(100); + + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + while (!pkt_slc_ctl.s.enb && max_retries--) { + rte_delay_ms(10); + pkt_slc_ctl.u64 = nitrox_read_csr(bar_addr, reg_addr); + } +} int vf_get_vf_config_mode(uint8_t *bar_addr) diff --git a/drivers/crypto/nitrox/nitrox_hal.h b/drivers/crypto/nitrox/nitrox_hal.h index 6184211a54..dcfbd11d85 100644 --- a/drivers/crypto/nitrox/nitrox_hal.h +++ b/drivers/crypto/nitrox/nitrox_hal.h @@ -10,6 +10,129 @@ #include "nitrox_csr.h" +union nps_pkt_slc_cnts { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t slc_int : 1; + uint64_t uns_int : 1; + uint64_t in_int : 1; + uint64_t mbox_int : 1; + uint64_t resend : 1; + uint64_t raz : 5; + uint64_t timer : 22; + uint64_t cnt : 32; +#else + uint64_t cnt : 32; + uint64_t timer : 22; + uint64_t raz : 5; + uint64_t resend : 1; + uint64_t mbox_int : 1; + uint64_t in_int : 1; + uint64_t uns_int : 1; + uint64_t slc_int : 1; +#endif + } s; +}; + +union nps_pkt_slc_int_levels { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t bmode : 1; + uint64_t raz : 9; + uint64_t timet : 22; + uint64_t cnt : 32; +#else + uint64_t cnt : 32; + uint64_t timet : 22; + uint64_t raz : 9; + uint64_t bmode : 1; +#endif + } s; +}; + +union nps_pkt_slc_ctl { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t raz : 61; + uint64_t rh : 1; + uint64_t z : 1; + uint64_t enb : 1; +#else + uint64_t enb : 1; + uint64_t z : 1; + uint64_t rh : 1; + uint64_t raz : 61; +#endif + } s; +}; + +union nps_pkt_in_instr_ctl { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t raz : 62; + uint64_t is64b : 1; + uint64_t enb : 1; +#else + uint64_t enb : 1; + uint64_t is64b : 1; + uint64_t raz : 62; +#endif + } s; +}; + +union nps_pkt_in_instr_rsize { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t raz : 32; + uint64_t rsize : 32; +#else + uint64_t rsize : 32; + uint64_t raz : 32; +#endif + } s; +}; + +union nps_pkt_in_instr_baoff_dbell { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t aoff : 32; + uint64_t dbell : 32; +#else + uint64_t dbell : 32; + uint64_t aoff : 32; +#endif + } s; +}; + +union nps_pkt_in_done_cnts { + uint64_t u64; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t slc_int : 1; + uint64_t uns_int : 1; + uint64_t in_int : 1; + uint64_t mbox_int : 1; + uint64_t resend : 1; + uint64_t raz : 27; + uint64_t cnt : 32; +#else + uint64_t cnt : 32; + uint64_t raz : 27; + uint64_t resend : 1; + uint64_t mbox_int : 1; + uint64_t in_int : 1; + uint64_t uns_int : 1; + uint64_t slc_int : 1; +#endif + } s; +}; + union aqmq_qsz { uint64_t u64; struct { @@ -33,5 +156,10 @@ enum nitrox_vf_mode { int vf_get_vf_config_mode(uint8_t *bar_addr); int vf_config_mode_to_nr_queues(enum nitrox_vf_mode vf_mode); +void setup_nps_pkt_input_ring(uint8_t *bar_addr, uint16_t ring, uint32_t rsize, + phys_addr_t raddr); +void setup_nps_pkt_solicit_output_port(uint8_t *bar_addr, uint16_t port); +void nps_pkt_input_ring_disable(uint8_t *bar_addr, uint16_t ring); +void nps_pkt_solicited_port_disable(uint8_t *bar_addr, uint16_t port); #endif /* _NITROX_HAL_H_ */ diff --git a/drivers/crypto/nitrox/nitrox_qp.c b/drivers/crypto/nitrox/nitrox_qp.c index 9673bb4f3a..5e85ccbd51 100644 --- a/drivers/crypto/nitrox/nitrox_qp.c +++ b/drivers/crypto/nitrox/nitrox_qp.c @@ -10,6 +10,38 @@ #include "nitrox_logs.h" #define MAX_CMD_QLEN 16384 +#define CMDQ_PKT_IN_ALIGN 16 + +static int +nitrox_setup_cmdq(struct nitrox_qp *qp, uint8_t *bar_addr, + const char *dev_name, uint8_t instr_size, int socket_id) +{ + char mz_name[RTE_MEMZONE_NAMESIZE]; + const struct rte_memzone *mz; + size_t cmdq_size = qp->count * instr_size; + uint64_t offset; + + snprintf(mz_name, sizeof(mz_name), "%s_cmdq_%d", dev_name, qp->qno); + mz = rte_memzone_reserve_aligned(mz_name, cmdq_size, socket_id, + RTE_MEMZONE_SIZE_HINT_ONLY | + RTE_MEMZONE_256MB, + CMDQ_PKT_IN_ALIGN); + if (!mz) { + NITROX_LOG(ERR, "cmdq memzone reserve failed for %s queue\n", + mz_name); + return -ENOMEM; + } + + qp->cmdq.mz = mz; + offset = NPS_PKT_IN_INSTR_BAOFF_DBELLX(qp->qno); + qp->cmdq.dbell_csr_addr = NITROX_CSR_ADDR(bar_addr, offset); + qp->cmdq.ring = mz->addr; + qp->cmdq.instr_size = instr_size; + setup_nps_pkt_input_ring(bar_addr, qp->qno, qp->count, mz->iova); + setup_nps_pkt_solicit_output_port(bar_addr, qp->qno); + + return 0; +} static int nitrox_setup_ridq(struct nitrox_qp *qp, int socket_id) @@ -27,6 +59,14 @@ nitrox_setup_ridq(struct nitrox_qp *qp, int socket_id) return 0; } +static int +nitrox_release_cmdq(struct nitrox_qp *qp, uint8_t *bar_addr) +{ + nps_pkt_solicited_port_disable(bar_addr, qp->qno); + nps_pkt_input_ring_disable(bar_addr, qp->qno); + return rte_memzone_free(qp->cmdq.mz); +} + int nitrox_qp_setup(struct nitrox_qp *qp, uint8_t *bar_addr, const char *dev_name, uint32_t nb_descriptors, uint8_t instr_size, int socket_id) @@ -34,8 +74,6 @@ nitrox_qp_setup(struct nitrox_qp *qp, uint8_t *bar_addr, const char *dev_name, int err; uint32_t count; - RTE_SET_USED(bar_addr); - RTE_SET_USED(instr_size); count = rte_align32pow2(nb_descriptors); if (count > MAX_CMD_QLEN) { NITROX_LOG(ERR, "%s: Number of descriptors too big %d," @@ -48,6 +86,10 @@ nitrox_qp_setup(struct nitrox_qp *qp, uint8_t *bar_addr, const char *dev_name, qp->count = count; qp->head = qp->tail = 0; rte_atomic16_init(&qp->pending_count); + err = nitrox_setup_cmdq(qp, bar_addr, dev_name, instr_size, socket_id); + if (err) + return err; + err = nitrox_setup_ridq(qp, socket_id); if (err) goto ridq_err; @@ -55,8 +97,8 @@ nitrox_qp_setup(struct nitrox_qp *qp, uint8_t *bar_addr, const char *dev_name, return 0; ridq_err: + nitrox_release_cmdq(qp, bar_addr); return err; - } static void @@ -68,7 +110,6 @@ nitrox_release_ridq(struct nitrox_qp *qp) int nitrox_qp_release(struct nitrox_qp *qp, uint8_t *bar_addr) { - RTE_SET_USED(bar_addr); nitrox_release_ridq(qp); - return 0; + return nitrox_release_cmdq(qp, bar_addr); } diff --git a/drivers/crypto/nitrox/nitrox_qp.h b/drivers/crypto/nitrox/nitrox_qp.h index cf0102ff91..0244c4dbf4 100644 --- a/drivers/crypto/nitrox/nitrox_qp.h +++ b/drivers/crypto/nitrox/nitrox_qp.h @@ -11,11 +11,19 @@ struct nitrox_softreq; +struct command_queue { + const struct rte_memzone *mz; + uint8_t *dbell_csr_addr; + uint8_t *ring; + uint8_t instr_size; +}; + struct rid { struct nitrox_softreq *sr; }; struct nitrox_qp { + struct command_queue cmdq; struct rid *ridq; uint32_t count; uint32_t head;