diff options
author | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 |
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committer | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 |
commit | f8b73ad2e16934621a86fd1fd67b46aa21521d0b (patch) | |
tree | cd40bd62c08fa360ceced004ce74decd1b26ca3c /cvmx-pko.h | |
parent | 7a1e830cbcd5d33aa7fcdd8732e6ea26510508fd (diff) | |
download | src-vendor/octeon-sdk/2.3.0.tar.gz src-vendor/octeon-sdk/2.3.0.zip |
Import Cavium Octeon SDK 2.3.0 Simple Executive from cnusers.org.vendor/octeon-sdk/2.3.0vendor/octeon-sdk
Diffstat (limited to 'cvmx-pko.h')
-rw-r--r-- | cvmx-pko.h | 385 |
1 files changed, 315 insertions, 70 deletions
diff --git a/cvmx-pko.h b/cvmx-pko.h index f7825b4afd0a..97cf76b68e5c 100644 --- a/cvmx-pko.h +++ b/cvmx-pko.h @@ -1,5 +1,5 @@ /***********************license start*************** - * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights * reserved. * * @@ -15,7 +15,7 @@ * disclaimer in the documentation and/or other materials provided * with the distribution. - * * Neither the name of Cavium Networks nor the names of + * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. @@ -26,7 +26,7 @@ * countries. * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM @@ -67,7 +67,7 @@ * - PKO 3 word commands are now supported. Use * cvmx_pko_send_packet_finish3(). * - * <hr>$Revision: 49448 $<hr> + * <hr>$Revision: 70030 $<hr> */ @@ -77,6 +77,12 @@ #ifdef CVMX_BUILD_FOR_LINUX_KERNEL #include "cvmx-config.h" #include "cvmx-pko-defs.h" +#include <asm/octeon/cvmx-fau.h> +#include <asm/octeon/cvmx-fpa.h> +#include <asm/octeon/cvmx-pow.h> +#include <asm/octeon/cvmx-cmd-queue.h> +#include <asm/octeon/cvmx-helper.h> +#include <asm/octeon/cvmx-helper-cfg.h> #else # ifndef CVMX_DONT_INCLUDE_CONFIG # include "executive-config.h" @@ -84,13 +90,14 @@ # include "cvmx-config.h" # endif # endif -#endif - - #include "cvmx-fau.h" #include "cvmx-fpa.h" #include "cvmx-pow.h" #include "cvmx-cmd-queue.h" +#include "cvmx-helper.h" +#include "cvmx-helper-util.h" +#include "cvmx-helper-cfg.h" +#endif /* Adjust the command buffer size by 1 word so that in the case of using only ** two word PKO commands no command words stradle buffers. The useful values @@ -102,8 +109,18 @@ extern "C" { #endif #define CVMX_PKO_MAX_OUTPUT_QUEUES_STATIC 256 -#define CVMX_PKO_MAX_OUTPUT_QUEUES ((OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN3010) || OCTEON_IS_MODEL(OCTEON_CN3005) || OCTEON_IS_MODEL(OCTEON_CN50XX)) ? 32 : (OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 256 : 128) -#define CVMX_PKO_NUM_OUTPUT_PORTS ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 44 : 40) +#define CVMX_PKO_MAX_OUTPUT_QUEUES ((OCTEON_IS_MODEL(OCTEON_CN31XX) || \ + OCTEON_IS_MODEL(OCTEON_CN3010) || \ + OCTEON_IS_MODEL(OCTEON_CN3005) || \ + OCTEON_IS_MODEL(OCTEON_CN50XX)) ? \ + 32 : \ + (OCTEON_IS_MODEL(OCTEON_CN58XX) || \ + OCTEON_IS_MODEL(OCTEON_CN56XX) || \ + OCTEON_IS_MODEL(OCTEON_CN52XX) || \ + OCTEON_IS_MODEL(OCTEON_CN6XXX) || \ + OCTEON_IS_MODEL(OCTEON_CNF7XXX)) ? \ + 256 : 128) +#define CVMX_PKO_NUM_OUTPUT_PORTS ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 44 : (OCTEON_IS_MODEL(OCTEON_CN66XX) ? 46 : 40)) #define CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID 63 /* use this for queues that are not used */ #define CVMX_PKO_QUEUE_STATIC_PRIORITY 9 #define CVMX_PKO_ILLEGAL_QUEUE 0xFFFF @@ -127,7 +144,7 @@ typedef enum { CVMX_PKO_LOCK_NONE = 0, /**< PKO doesn't do any locking. It is the responsibility of the application to make sure that no other core is - accessing the same queue at the smae time */ + accessing the same queue at the same time */ CVMX_PKO_LOCK_ATOMIC_TAG = 1, /**< PKO performs an atomic tagswitch to insure exclusive access to the output queue. This will maintain packet ordering on output */ @@ -139,9 +156,9 @@ typedef enum typedef struct { - uint32_t packets; - uint64_t octets; - uint64_t doorbell; + uint32_t packets; + uint64_t octets; + uint64_t doorbell; } cvmx_pko_port_status_t; /** @@ -157,8 +174,8 @@ typedef union uint64_t is_io : 1; /**< Must be one */ uint64_t did : 8; /**< The ID of the device on the non-coherent bus */ uint64_t reserved2 : 4; /**< Must be zero */ - uint64_t reserved3 :18; /**< Must be zero */ - uint64_t port : 6; /**< The hardware likes to have the output port in addition to the output queue */ + uint64_t reserved3 :15; /**< Must be zero */ + uint64_t port : 9; /**< The hardware must have the output port in addition to the output queue */ uint64_t queue : 9; /**< The output queue to send the packet to (0-127 are legal) */ uint64_t reserved4 : 3; /**< Must be zero */ } s; @@ -233,7 +250,6 @@ extern void cvmx_pko_disable(void); #ifdef CVMX_ENABLE_PKO_FUNCTIONS extern void cvmx_pko_shutdown(void); -#endif /** * Configure a output port and the associated queues for use. @@ -255,23 +271,34 @@ extern cvmx_pko_status_t cvmx_pko_config_port(uint64_t port, uint64_t base_queue * to its pending list. This command includes the required * CVMX_SYNCWS before the doorbell ring. * - * @param port Port the packet is for + * WARNING: This function may have to look up the proper PKO port in + * the IPD port to PKO port map, and is thus slower than calling + * cvmx_pko_doorbell_pkoid() directly if the PKO port identifier is + * known. + * + * @param ipd_port The IPD port corresponding the to pko port the packet is for * @param queue Queue the packet is for * @param len Length of the command in 64 bit words */ -static inline void cvmx_pko_doorbell(uint64_t port, uint64_t queue, uint64_t len) +static inline void cvmx_pko_doorbell(uint64_t ipd_port, uint64_t queue, uint64_t len) { cvmx_pko_doorbell_address_t ptr; + uint64_t pko_port; + + pko_port = ipd_port; + if (octeon_has_feature(OCTEON_FEATURE_PKND)) + pko_port = cvmx_helper_cfg_ipd2pko_port_base(ipd_port); ptr.u64 = 0; ptr.s.mem_space = CVMX_IO_SEG; ptr.s.did = CVMX_OCT_DID_PKT_SEND; ptr.s.is_io = 1; - ptr.s.port = port; + ptr.s.port = pko_port; ptr.s.queue = queue; CVMX_SYNCWS; /* Need to make sure output queue data is in DRAM before doorbell write */ cvmx_write_io(ptr.u64, len); } +#endif /** @@ -287,7 +314,7 @@ static inline void cvmx_pko_doorbell(uint64_t port, uint64_t queue, uint64_t len * - CVMX_PKO_LOCK_NONE * - PKO doesn't do any locking. It is the responsibility * of the application to make sure that no other core - * is accessing the same queue at the smae time. + * is accessing the same queue at the same time. * - CVMX_PKO_LOCK_ATOMIC_TAG * - PKO performs an atomic tagswitch to insure exclusive * access to the output queue. This will maintain @@ -301,7 +328,8 @@ static inline void cvmx_pko_doorbell(uint64_t port, uint64_t queue, uint64_t len * NOTE: If atomic locking is used, the POW entry CANNOT be * descheduled, as it does not contain a valid WQE pointer. * - * @param port Port to send it on + * @param port Port to send it on, this can be either IPD port or PKO + * port. * @param queue Queue to use * @param use_locking * CVMX_PKO_LOCK_NONE, CVMX_PKO_LOCK_ATOMIC_TAG, or CVMX_PKO_LOCK_CMD_QUEUE @@ -321,13 +349,19 @@ static inline void cvmx_pko_send_packet_prepare(uint64_t port, uint64_t queue, c } } +#define cvmx_pko_send_packet_prepare_pkoid cvmx_pko_send_packet_prepare /** * Complete packet output. cvmx_pko_send_packet_prepare() must be called exactly once before this, * and the same parameters must be passed to both cvmx_pko_send_packet_prepare() and * cvmx_pko_send_packet_finish(). * - * @param port Port to send it on + * WARNING: This function may have to look up the proper PKO port in + * the IPD port to PKO port map, and is thus slower than calling + * cvmx_pko_send_packet_finish_pkoid() directly if the PKO port + * identifier is known. + * + * @param ipd_port The IPD port corresponding the to pko port the packet is for * @param queue Queue to use * @param pko_command * PKO HW command word @@ -337,7 +371,7 @@ static inline void cvmx_pko_send_packet_prepare(uint64_t port, uint64_t queue, c * * @return returns CVMX_PKO_SUCCESS on success, or error code on failure of output */ -static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port, uint64_t queue, +static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t ipd_port, uint64_t queue, cvmx_pko_command_word0_t pko_command, cvmx_buf_ptr_t packet, cvmx_pko_lock_t use_locking) { @@ -350,7 +384,7 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port, uint6 packet.u64); if (cvmx_likely(result == CVMX_CMD_QUEUE_SUCCESS)) { - cvmx_pko_doorbell(port, queue, 2); + cvmx_pko_doorbell(ipd_port, queue, 2); return CVMX_PKO_SUCCESS; } else if ((result == CVMX_CMD_QUEUE_NO_MEMORY) || (result == CVMX_CMD_QUEUE_FULL)) @@ -369,7 +403,12 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port, uint6 * and the same parameters must be passed to both cvmx_pko_send_packet_prepare() and * cvmx_pko_send_packet_finish(). * - * @param port Port to send it on + * WARNING: This function may have to look up the proper PKO port in + * the IPD port to PKO port map, and is thus slower than calling + * cvmx_pko_send_packet_finish3_pkoid() directly if the PKO port + * identifier is known. + * + * @param ipd_port The IPD port corresponding the to pko port the packet is for * @param queue Queue to use * @param pko_command * PKO HW command word @@ -380,7 +419,7 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port, uint6 * * @return returns CVMX_PKO_SUCCESS on success, or error code on failure of output */ -static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(uint64_t port, uint64_t queue, +static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(uint64_t ipd_port, uint64_t queue, cvmx_pko_command_word0_t pko_command, cvmx_buf_ptr_t packet, uint64_t addr, cvmx_pko_lock_t use_locking) { @@ -394,7 +433,7 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(uint64_t port, uint addr); if (cvmx_likely(result == CVMX_CMD_QUEUE_SUCCESS)) { - cvmx_pko_doorbell(port, queue, 3); + cvmx_pko_doorbell(ipd_port, queue, 3); return CVMX_PKO_SUCCESS; } else if ((result == CVMX_CMD_QUEUE_NO_MEMORY) || (result == CVMX_CMD_QUEUE_FULL)) @@ -408,6 +447,22 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(uint64_t port, uint } /** + * Get the first pko_port for the (interface, index) + * + * @param interface + * @param index + */ +extern int cvmx_pko_get_base_pko_port(int interface, int index); + +/** + * Get the number of pko_ports for the (interface, index) + * + * @param interface + * @param index + */ +extern int cvmx_pko_get_num_pko_ports(int interface, int index); + +/** * Return the pko output queue associated with a port and a specific core. * In normal mode (PKO lockless operation is disabled), the value returned * is the base queue. @@ -415,10 +470,19 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3(uint64_t port, uint * @param port Port number * @param core Core to get queue for * - * @return Core-specific output queue + * @return Core-specific output queue and -1 on error. + * + * Note: This function is invalid for o68. */ static inline int cvmx_pko_get_base_queue_per_core(int port, int core) { + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + { + cvmx_dprintf("cvmx_pko_get_base_queue_per_core() not" + "supported starting from o68!\n"); + return -1; + } + #ifndef CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 #define CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 16 #endif @@ -435,6 +499,11 @@ static inline int cvmx_pko_get_base_queue_per_core(int port, int core) port with two ports gives us four queues, one for each mailbox */ #define CVMX_PKO_QUEUES_PER_PORT_SRIO1 2 #endif +#ifndef CVMX_PKO_QUEUES_PER_PORT_SRIO2 + /* We use two queues per port for SRIO2. Having two queues per + port with two ports gives us four queues, one for each mailbox */ + #define CVMX_PKO_QUEUES_PER_PORT_SRIO2 2 +#endif if (port < CVMX_PKO_MAX_PORTS_INTERFACE0) return port * CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 + core; else if (port >=16 && port < 16 + CVMX_PKO_MAX_PORTS_INTERFACE1) @@ -462,6 +531,13 @@ static inline int cvmx_pko_get_base_queue_per_core(int port, int core) 4 * CVMX_PKO_QUEUES_PER_PORT_LOOP + 2 * CVMX_PKO_QUEUES_PER_PORT_SRIO0 + (port-42) * CVMX_PKO_QUEUES_PER_PORT_SRIO1; + else if ((port >= 44) && (port < 46)) + return CVMX_PKO_MAX_PORTS_INTERFACE0 * CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 + + CVMX_PKO_MAX_PORTS_INTERFACE1 * CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 + + 4 * CVMX_PKO_QUEUES_PER_PORT_PCI + + 4 * CVMX_PKO_QUEUES_PER_PORT_LOOP + + 4 * CVMX_PKO_QUEUES_PER_PORT_SRIO0 + + (port-44) * CVMX_PKO_QUEUES_PER_PORT_SRIO2; else /* Given the limit on the number of ports we can map to * CVMX_MAX_OUTPUT_QUEUES_STATIC queues (currently 256, @@ -474,75 +550,98 @@ static inline int cvmx_pko_get_base_queue_per_core(int port, int core) * For a given port number, return the base pko output queue * for the port. * - * @param port Port number + * @param port IPD port number * @return Base output queue */ -static inline int cvmx_pko_get_base_queue(int port) -{ - return cvmx_pko_get_base_queue_per_core(port, 0); -} +extern int cvmx_pko_get_base_queue(int port); /** * For a given port number, return the number of pko output queues. * - * @param port Port number + * @param port IPD port number * @return Number of output queues */ -static inline int cvmx_pko_get_num_queues(int port) -{ - if (port < 16) - return CVMX_PKO_QUEUES_PER_PORT_INTERFACE0; - else if (port<32) - return CVMX_PKO_QUEUES_PER_PORT_INTERFACE1; - else if (port<36) - return CVMX_PKO_QUEUES_PER_PORT_PCI; - else if (port<40) - return CVMX_PKO_QUEUES_PER_PORT_LOOP; - else if (port<42) - return CVMX_PKO_QUEUES_PER_PORT_SRIO0; - else if (port<44) - return CVMX_PKO_QUEUES_PER_PORT_SRIO1; - else - return 0; -} +extern int cvmx_pko_get_num_queues(int port); + +#ifdef CVMX_ENABLE_PKO_FUNCTIONS /** * Get the status counters for a port. * - * @param port_num Port number to get statistics for. + * @param ipd_port Port number (ipd_port) to get statistics for. * @param clear Set to 1 to clear the counters after they are read * @param status Where to put the results. + * + * Note: + * - Only the doorbell for the base queue of the ipd_port is + * collected. + * - Retrieving the stats involves writing the index through + * CVMX_PKO_REG_READ_IDX and reading the stat CSRs, in that + * order. It is not MP-safe and caller should guarantee + * atomicity. */ -static inline void cvmx_pko_get_port_status(uint64_t port_num, uint64_t clear, cvmx_pko_port_status_t *status) +static inline void cvmx_pko_get_port_status(uint64_t ipd_port, uint64_t clear, + cvmx_pko_port_status_t *status) { cvmx_pko_reg_read_idx_t pko_reg_read_idx; cvmx_pko_mem_count0_t pko_mem_count0; cvmx_pko_mem_count1_t pko_mem_count1; + int pko_port, port_base, port_limit; + + if (octeon_has_feature(OCTEON_FEATURE_PKND)) { + int interface = cvmx_helper_get_interface_num(ipd_port); + int index = cvmx_helper_get_interface_index_num(ipd_port); + port_base = cvmx_helper_get_pko_port(interface, index); + if (port_base == -1) + cvmx_dprintf("Warning: Invalid port_base\n"); + port_limit = port_base + cvmx_pko_get_num_pko_ports(interface, index); + } else { + port_base = ipd_port; + port_limit = port_base + 1; + } + /* + * status->packets and status->octets + */ + status->packets = 0; + status->octets = 0; pko_reg_read_idx.u64 = 0; - pko_reg_read_idx.s.index = port_num; - cvmx_write_csr(CVMX_PKO_REG_READ_IDX, pko_reg_read_idx.u64); - pko_mem_count0.u64 = cvmx_read_csr(CVMX_PKO_MEM_COUNT0); - status->packets = pko_mem_count0.s.count; - if (clear) + for (pko_port = port_base; pko_port < port_limit; pko_port++) { - pko_mem_count0.s.count = port_num; - cvmx_write_csr(CVMX_PKO_MEM_COUNT0, pko_mem_count0.u64); - } - pko_mem_count1.u64 = cvmx_read_csr(CVMX_PKO_MEM_COUNT1); - status->octets = pko_mem_count1.s.count; - if (clear) - { - pko_mem_count1.s.count = port_num; - cvmx_write_csr(CVMX_PKO_MEM_COUNT1, pko_mem_count1.u64); + /* + * In theory, one doesn't need to write the index csr every + * time as he can set pko_reg_read_idx.s.inc to increment + * the index automatically. Need to find out exactly how XXX. + */ + pko_reg_read_idx.s.index = pko_port; + cvmx_write_csr(CVMX_PKO_REG_READ_IDX, pko_reg_read_idx.u64); + + pko_mem_count0.u64 = cvmx_read_csr(CVMX_PKO_MEM_COUNT0); + status->packets += pko_mem_count0.s.count; + if (clear) + { + pko_mem_count0.s.count = pko_port; + cvmx_write_csr(CVMX_PKO_MEM_COUNT0, pko_mem_count0.u64); + } + + pko_mem_count1.u64 = cvmx_read_csr(CVMX_PKO_MEM_COUNT1); + status->octets += pko_mem_count1.s.count; + if (clear) + { + pko_mem_count1.s.count = pko_port; + cvmx_write_csr(CVMX_PKO_MEM_COUNT1, pko_mem_count1.u64); + } } + /* + * status->doorbell + */ if (OCTEON_IS_MODEL(OCTEON_CN3XXX)) { cvmx_pko_mem_debug9_t debug9; - pko_reg_read_idx.s.index = cvmx_pko_get_base_queue(port_num); + pko_reg_read_idx.s.index = cvmx_pko_get_base_queue(ipd_port); cvmx_write_csr(CVMX_PKO_REG_READ_IDX, pko_reg_read_idx.u64); debug9.u64 = cvmx_read_csr(CVMX_PKO_MEM_DEBUG9); status->doorbell = debug9.cn38xx.doorbell; @@ -550,13 +649,18 @@ static inline void cvmx_pko_get_port_status(uint64_t port_num, uint64_t clear, c else { cvmx_pko_mem_debug8_t debug8; - pko_reg_read_idx.s.index = cvmx_pko_get_base_queue(port_num); + pko_reg_read_idx.s.index = cvmx_pko_get_base_queue(ipd_port); cvmx_write_csr(CVMX_PKO_REG_READ_IDX, pko_reg_read_idx.u64); debug8.u64 = cvmx_read_csr(CVMX_PKO_MEM_DEBUG8); - status->doorbell = debug8.cn58xx.doorbell; + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + status->doorbell = debug8.cn68xx.doorbell; + else + status->doorbell = debug8.cn58xx.doorbell; } } +#endif /* CVMX_ENABLE_PKO_FUNCTION */ + /** * Rate limit a PKO port to a max packets/sec. This function is only @@ -584,6 +688,147 @@ extern int cvmx_pko_rate_limit_packets(int port, int packets_s, int burst); */ extern int cvmx_pko_rate_limit_bits(int port, uint64_t bits_s, int burst); +/** + * @INTERNAL + * + * Retrieve the PKO pipe number for a port + * + * @param interface + * @param index + * + * @return negative on error. + * + * This applies only to the non-loopback interfaces. + * + */ +extern int __cvmx_pko_get_pipe(int interface, int index); + +/** + * For a given PKO port number, return the base output queue + * for the port. + * + * @param pko_port PKO port number + * @return Base output queue + */ +extern int cvmx_pko_get_base_queue_pkoid(int pko_port); + +/** + * For a given PKO port number, return the number of output queues + * for the port. + * + * @param pko_port PKO port number + * @return the number of output queues + */ +extern int cvmx_pko_get_num_queues_pkoid(int pko_port); + +/** + * Ring the packet output doorbell. This tells the packet + * output hardware that "len" command words have been added + * to its pending list. This command includes the required + * CVMX_SYNCWS before the doorbell ring. + * + * @param pko_port Port the packet is for + * @param queue Queue the packet is for + * @param len Length of the command in 64 bit words + */ +static inline void cvmx_pko_doorbell_pkoid(uint64_t pko_port, uint64_t queue, uint64_t len) +{ + cvmx_pko_doorbell_address_t ptr; + + ptr.u64 = 0; + ptr.s.mem_space = CVMX_IO_SEG; + ptr.s.did = CVMX_OCT_DID_PKT_SEND; + ptr.s.is_io = 1; + ptr.s.port = pko_port; + ptr.s.queue = queue; + CVMX_SYNCWS; /* Need to make sure output queue data is in DRAM before doorbell write */ + cvmx_write_io(ptr.u64, len); +} + +/** + * Complete packet output. cvmx_pko_send_packet_prepare() must be called exactly once before this, + * and the same parameters must be passed to both cvmx_pko_send_packet_prepare() and + * cvmx_pko_send_packet_finish_pkoid(). + * + * @param pko_port Port to send it on + * @param queue Queue to use + * @param pko_command + * PKO HW command word + * @param packet Packet to send + * @param use_locking + * CVMX_PKO_LOCK_NONE, CVMX_PKO_LOCK_ATOMIC_TAG, or CVMX_PKO_LOCK_CMD_QUEUE + * + * @return returns CVMX_PKO_SUCCESS on success, or error code on failure of output + */ +static inline cvmx_pko_status_t cvmx_pko_send_packet_finish_pkoid(int pko_port, uint64_t queue, + cvmx_pko_command_word0_t pko_command, + cvmx_buf_ptr_t packet, cvmx_pko_lock_t use_locking) +{ + cvmx_cmd_queue_result_t result; + if (use_locking == CVMX_PKO_LOCK_ATOMIC_TAG) + cvmx_pow_tag_sw_wait(); + result = cvmx_cmd_queue_write2(CVMX_CMD_QUEUE_PKO(queue), + (use_locking == CVMX_PKO_LOCK_CMD_QUEUE), + pko_command.u64, + packet.u64); + if (cvmx_likely(result == CVMX_CMD_QUEUE_SUCCESS)) + { + cvmx_pko_doorbell_pkoid(pko_port, queue, 2); + return CVMX_PKO_SUCCESS; + } + else if ((result == CVMX_CMD_QUEUE_NO_MEMORY) || (result == CVMX_CMD_QUEUE_FULL)) + { + return CVMX_PKO_NO_MEMORY; + } + else + { + return CVMX_PKO_INVALID_QUEUE; + } +} + +/** + * Complete packet output. cvmx_pko_send_packet_prepare() must be called exactly once before this, + * and the same parameters must be passed to both cvmx_pko_send_packet_prepare() and + * cvmx_pko_send_packet_finish_pkoid(). + * + * @param pko_port The PKO port the packet is for + * @param queue Queue to use + * @param pko_command + * PKO HW command word + * @param packet Packet to send + * @param addr Plysical address of a work queue entry or physical address to zero on complete. + * @param use_locking + * CVMX_PKO_LOCK_NONE, CVMX_PKO_LOCK_ATOMIC_TAG, or CVMX_PKO_LOCK_CMD_QUEUE + * + * @return returns CVMX_PKO_SUCCESS on success, or error code on failure of output + */ +static inline cvmx_pko_status_t cvmx_pko_send_packet_finish3_pkoid(uint64_t pko_port, uint64_t queue, + cvmx_pko_command_word0_t pko_command, + cvmx_buf_ptr_t packet, uint64_t addr, cvmx_pko_lock_t use_locking) +{ + cvmx_cmd_queue_result_t result; + if (use_locking == CVMX_PKO_LOCK_ATOMIC_TAG) + cvmx_pow_tag_sw_wait(); + result = cvmx_cmd_queue_write3(CVMX_CMD_QUEUE_PKO(queue), + (use_locking == CVMX_PKO_LOCK_CMD_QUEUE), + pko_command.u64, + packet.u64, + addr); + if (cvmx_likely(result == CVMX_CMD_QUEUE_SUCCESS)) + { + cvmx_pko_doorbell_pkoid(pko_port, queue, 3); + return CVMX_PKO_SUCCESS; + } + else if ((result == CVMX_CMD_QUEUE_NO_MEMORY) || (result == CVMX_CMD_QUEUE_FULL)) + { + return CVMX_PKO_NO_MEMORY; + } + else + { + return CVMX_PKO_INVALID_QUEUE; + } +} + #endif /* CVMX_ENABLE_PKO_FUNCTIONS */ #ifdef __cplusplus |