Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Copyright 2014 Cisco Systems, Inc.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * This program is free software; you may redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * it under the terms of the GNU General Public License as published by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * the Free Software Foundation; version 2 of the License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #ifndef _SNIC_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define _SNIC_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/mempool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include "snic_disc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include "snic_io.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #include "snic_res.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #include "snic_trc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #include "snic_stats.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #include "vnic_dev.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #include "vnic_wq.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #include "vnic_cq.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #include "vnic_intr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #include "vnic_stats.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #include "vnic_snic.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define SNIC_DRV_NAME		"snic"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define SNIC_DRV_DESCRIPTION	"Cisco SCSI NIC Driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define SNIC_DRV_VERSION	"0.0.1.18"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define PFX			SNIC_DRV_NAME ":"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define DFX			SNIC_DRV_NAME "%d: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #define DESC_CLEAN_LOW_WATERMARK	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define SNIC_UCSM_DFLT_THROTTLE_CNT_BLD 16 /* UCSM default throttle count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define SNIC_MAX_IO_REQ			50 /* scsi_cmnd tag map entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define SNIC_MIN_IO_REQ			8  /* Min IO throttle count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define SNIC_IO_LOCKS			64 /* IO locks: power of 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #define SNIC_DFLT_QUEUE_DEPTH		32 /* Default Queue Depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define SNIC_MAX_QUEUE_DEPTH		64 /* Max Queue Depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define SNIC_DFLT_CMD_TIMEOUT		90 /* Extended tmo for FW */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)  * Tag bits used for special requests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #define SNIC_TAG_ABORT		BIT(30)		/* Tag indicating abort */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) #define SNIC_TAG_DEV_RST	BIT(29)		/* Tag for device reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) #define SNIC_TAG_IOCTL_DEV_RST	BIT(28)		/* Tag for User Device Reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define SNIC_TAG_MASK		(BIT(24) - 1)	/* Mask for lookup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define SNIC_NO_TAG		-1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67)  * Command flags to identify the type of command and for other future use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define SNIC_NO_FLAGS			0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) #define SNIC_IO_INITIALIZED		BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) #define SNIC_IO_ISSUED			BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) #define SNIC_IO_DONE			BIT(2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #define SNIC_IO_REQ_NULL		BIT(3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) #define SNIC_IO_ABTS_PENDING		BIT(4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #define SNIC_IO_ABORTED			BIT(5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) #define SNIC_IO_ABTS_ISSUED		BIT(6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) #define SNIC_IO_TERM_ISSUED		BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #define SNIC_IO_ABTS_TIMEDOUT		BIT(8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) #define SNIC_IO_ABTS_TERM_DONE		BIT(9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) #define SNIC_IO_ABTS_TERM_REQ_NULL	BIT(10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) #define SNIC_IO_ABTS_TERM_TIMEDOUT	BIT(11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) #define SNIC_IO_INTERNAL_TERM_PENDING	BIT(12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) #define SNIC_IO_INTERNAL_TERM_ISSUED	BIT(13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) #define SNIC_DEVICE_RESET		BIT(14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) #define SNIC_DEV_RST_ISSUED		BIT(15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) #define SNIC_DEV_RST_TIMEDOUT		BIT(16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) #define SNIC_DEV_RST_ABTS_ISSUED	BIT(17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) #define SNIC_DEV_RST_TERM_ISSUED	BIT(18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) #define SNIC_DEV_RST_DONE		BIT(19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) #define SNIC_DEV_RST_REQ_NULL		BIT(20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) #define SNIC_DEV_RST_ABTS_DONE		BIT(21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) #define SNIC_DEV_RST_TERM_DONE		BIT(22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) #define SNIC_DEV_RST_ABTS_PENDING	BIT(23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) #define SNIC_DEV_RST_PENDING		BIT(24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) #define SNIC_DEV_RST_NOTSUP		BIT(25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) #define SNIC_SCSI_CLEANUP		BIT(26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) #define SNIC_HOST_RESET_ISSUED		BIT(27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) #define SNIC_HOST_RESET_CMD_TERM	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	(SNIC_DEV_RST_NOTSUP | SNIC_SCSI_CLEANUP | SNIC_HOST_RESET_ISSUED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define SNIC_ABTS_TIMEOUT		30000		/* msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define SNIC_LUN_RESET_TIMEOUT		30000		/* msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define SNIC_HOST_RESET_TIMEOUT		30000		/* msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)  * These are protected by the hashed req_lock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define CMD_SP(Cmnd)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	(((struct snic_internal_io_state *)scsi_cmd_priv(Cmnd))->rqi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define CMD_STATE(Cmnd)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	(((struct snic_internal_io_state *)scsi_cmd_priv(Cmnd))->state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define CMD_ABTS_STATUS(Cmnd)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	(((struct snic_internal_io_state *)scsi_cmd_priv(Cmnd))->abts_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define CMD_LR_STATUS(Cmnd)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	(((struct snic_internal_io_state *)scsi_cmd_priv(Cmnd))->lr_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #define CMD_FLAGS(Cmnd)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	(((struct snic_internal_io_state *)scsi_cmd_priv(Cmnd))->flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define SNIC_INVALID_CODE 0x100	/* Hdr Status val unused by firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define SNIC_MAX_TARGET			256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define SNIC_FLAGS_NONE			(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /* snic module params */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) extern unsigned int snic_max_qdepth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* snic debugging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) extern unsigned int snic_log_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define SNIC_MAIN_LOGGING	0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #define SNIC_SCSI_LOGGING	0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define SNIC_ISR_LOGGING	0x8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #define SNIC_DESC_LOGGING	0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define SNIC_CHECK_LOGGING(LEVEL, CMD)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) do {						\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	if (unlikely(snic_log_level & LEVEL))	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		do {				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 			CMD;			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		} while (0);			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #define SNIC_MAIN_DBG(host, fmt, args...)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	SNIC_CHECK_LOGGING(SNIC_MAIN_LOGGING,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		shost_printk(KERN_INFO, host, fmt, ## args);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #define SNIC_SCSI_DBG(host, fmt, args...)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	SNIC_CHECK_LOGGING(SNIC_SCSI_LOGGING,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		shost_printk(KERN_INFO, host, fmt, ##args);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #define SNIC_DISC_DBG(host, fmt, args...)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	SNIC_CHECK_LOGGING(SNIC_SCSI_LOGGING,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		shost_printk(KERN_INFO, host, fmt, ##args);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) #define SNIC_ISR_DBG(host, fmt, args...)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	SNIC_CHECK_LOGGING(SNIC_ISR_LOGGING,		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		shost_printk(KERN_INFO, host, fmt, ##args);)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #define SNIC_HOST_ERR(host, fmt, args...)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	shost_printk(KERN_ERR, host, fmt, ##args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #define SNIC_HOST_INFO(host, fmt, args...)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	shost_printk(KERN_INFO, host, fmt, ##args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define SNIC_INFO(fmt, args...)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	pr_info(PFX fmt, ## args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #define SNIC_DBG(fmt, args...)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	pr_info(PFX fmt, ## args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #define SNIC_ERR(fmt, args...)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	pr_err(PFX fmt, ## args)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #define SNIC_BUG_ON(EXPR) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		if (EXPR) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			SNIC_ERR("SNIC BUG(%s)\n", #EXPR); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 			BUG_ON(EXPR); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		} \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define SNIC_BUG_ON(EXPR) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		if (EXPR) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			SNIC_ERR("SNIC BUG(%s) at %s : %d\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 				 #EXPR, __func__, __LINE__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			WARN_ON_ONCE(EXPR); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		} \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	})
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) /* Soft assert */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) #define SNIC_ASSERT_NOT_IMPL(EXPR) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		if (EXPR) {\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 			SNIC_INFO("Functionality not impl'ed at %s:%d\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				  __func__, __LINE__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 			WARN_ON_ONCE(EXPR); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		} \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	 })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) extern const char *snic_state_str[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) enum snic_intx_intr_index {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	SNIC_INTX_WQ_RQ_COPYWQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	SNIC_INTX_ERR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	SNIC_INTX_NOTIFY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	SNIC_INTX_INTR_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) enum snic_msix_intr_index {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	SNIC_MSIX_WQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	SNIC_MSIX_IO_CMPL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	SNIC_MSIX_ERR_NOTIFY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	SNIC_MSIX_INTR_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define SNIC_INTRHDLR_NAMSZ	(2 * IFNAMSIZ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) struct snic_msix_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	int requested;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	char devname[SNIC_INTRHDLR_NAMSZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	irqreturn_t (*isr)(int, void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	void *devid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) enum snic_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	SNIC_INIT = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	SNIC_ERROR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	SNIC_ONLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	SNIC_OFFLINE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	SNIC_FWRESET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) #define SNIC_WQ_MAX		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) #define SNIC_CQ_IO_CMPL_MAX	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) #define SNIC_CQ_MAX		(SNIC_WQ_MAX + SNIC_CQ_IO_CMPL_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) /* firmware version information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct snic_fw_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	u32	fw_ver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	u32	hid;			/* u16 hid | u16 vnic id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	u32	max_concur_ios;		/* max concurrent ios */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	u32	max_sgs_per_cmd;	/* max sgls per IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	u32	max_io_sz;		/* max io size supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	u32	hba_cap;		/* hba capabilities */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	u32	max_tgts;		/* max tgts supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	u16	io_tmo;			/* FW Extended timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	struct completion *wait;	/* protected by snic lock*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)  * snic_work item : defined to process asynchronous events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct snic_work {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	u16	ev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	u64	*ev_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)  * snic structure to represent SCSI vNIC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct snic {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	/* snic specific members */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	char name[IFNAMSIZ];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	atomic_t state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	spinlock_t snic_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	struct completion *remove_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	bool in_remove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	bool stop_link_events;		/* stop processing link events */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	/* discovery related */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	struct snic_disc disc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	/* Scsi Host info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	struct Scsi_Host *shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	/* vnic related structures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	struct vnic_dev_bar bar0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	struct vnic_stats *stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	unsigned long stats_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	unsigned long stats_reset_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	struct vnic_dev *vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	/* hw resource info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	unsigned int wq_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	unsigned int cq_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	unsigned int intr_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	unsigned int err_intr_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	int link_status; /* retrieved from svnic_dev_link_status() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	u32 link_down_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	/* pci related */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	struct snic_msix_entry msix[SNIC_MSIX_INTR_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	/* io related info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	mempool_t *req_pool[SNIC_REQ_MAX_CACHES]; /* (??) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	____cacheline_aligned spinlock_t io_req_lock[SNIC_IO_LOCKS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	/* Maintain snic specific commands, cmds with no tag in spl_cmd_list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	____cacheline_aligned spinlock_t spl_cmd_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	struct list_head spl_cmd_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	unsigned int max_tag_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	atomic_t ios_inflight;		/* io in flight counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	struct vnic_snic_config config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	struct work_struct link_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	/* firmware information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	struct snic_fw_info fwinfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	/* Work for processing Target related work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	struct work_struct tgt_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	/* Work for processing Discovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	struct work_struct disc_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	/* stats related */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	unsigned int reset_stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	atomic64_t io_cmpl_skip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	struct snic_stats s_stats;	/* Per SNIC driver stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	/* platform specific */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) #ifdef CONFIG_SCSI_SNIC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	struct dentry *stats_host;	/* Per snic debugfs root */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	struct dentry *stats_file;	/* Per snic debugfs file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	struct dentry *reset_stats_file;/* Per snic reset stats file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	/* completion queue cache line section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	____cacheline_aligned struct vnic_cq cq[SNIC_CQ_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	/* work queue cache line section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	____cacheline_aligned struct vnic_wq wq[SNIC_WQ_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	spinlock_t wq_lock[SNIC_WQ_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	/* interrupt resource cache line section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	____cacheline_aligned struct vnic_intr intr[SNIC_MSIX_INTR_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }; /* end of snic structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)  * SNIC Driver's Global Data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) struct snic_global {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	struct list_head snic_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	spinlock_t snic_list_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	struct kmem_cache *req_cache[SNIC_REQ_MAX_CACHES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	struct workqueue_struct *event_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) #ifdef CONFIG_SCSI_SNIC_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	/* debugfs related global data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	struct dentry *trc_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	struct dentry *stats_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	struct snic_trc trc ____cacheline_aligned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) extern struct snic_global *snic_glob;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) int snic_glob_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) void snic_glob_cleanup(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) extern struct workqueue_struct *snic_event_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) extern struct device_attribute *snic_attrs[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) int snic_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) int snic_abort_cmd(struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) int snic_device_reset(struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) int snic_host_reset(struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int snic_reset(struct Scsi_Host *, struct scsi_cmnd *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) void snic_shutdown_scsi_cleanup(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) int snic_request_intr(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) void snic_free_intr(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) int snic_set_intr_mode(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) void snic_clear_intr_mode(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) int snic_fwcq_cmpl_handler(struct snic *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) int snic_wq_cmpl_handler(struct snic *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) void snic_free_wq_buf(struct vnic_wq *, struct vnic_wq_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) void snic_log_q_error(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) void snic_handle_link_event(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) void snic_handle_link(struct work_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) int snic_queue_exch_ver_req(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) void snic_io_exch_ver_cmpl_handler(struct snic *, struct snic_fw_req *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) int snic_queue_wq_desc(struct snic *, void *os_buf, u16 len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) void snic_handle_untagged_req(struct snic *, struct snic_req_info *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) void snic_release_untagged_req(struct snic *, struct snic_req_info *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) void snic_free_all_untagged_reqs(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) int snic_get_conf(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) void snic_set_state(struct snic *, enum snic_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) int snic_get_state(struct snic *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) const char *snic_state_to_str(unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) void snic_hex_dump(char *, char *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) void snic_print_desc(const char *fn, char *os_buf, int len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) const char *show_opcode_name(int val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) #endif /* _SNIC_H */