scsi/snic/snic_fwint.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
71 	SNIC_STAT_ITMF_INCORRECT_LUN,	/* itmf req has incorrect LUN id*/
81  * snic_io_hdr : host <--> firmware
100 snic_io_hdr_enc(struct snic_io_hdr *hdr, u8 typ, u8 status, u32 id, u32 hid,  in snic_io_hdr_enc()  argument
103 	hdr->type = typ;  in snic_io_hdr_enc()
104 	hdr->status = status;  in snic_io_hdr_enc()
105 	hdr->protocol = 0;  in snic_io_hdr_enc()
106 	hdr->hid = cpu_to_le32(hid);  in snic_io_hdr_enc()
107 	hdr->cmnd_id = cpu_to_le32(id);  in snic_io_hdr_enc()
108 	hdr->sg_cnt = cpu_to_le16(sg_cnt);  in snic_io_hdr_enc()
109 	hdr->init_ctx = ctx;  in snic_io_hdr_enc()
110 	hdr->flags = 0;  in snic_io_hdr_enc()
118 	*typ = hdr->type;  in snic_io_hdr_dec()
119 	*stat = hdr->status;  in snic_io_hdr_dec()
120 	*hid = le32_to_cpu(hdr->hid);  in snic_io_hdr_dec()
121 	*cmnd_id = le32_to_cpu(hdr->cmnd_id);  in snic_io_hdr_dec()
122 	*ctx = hdr->init_ctx;  in snic_io_hdr_dec()
126  * snic_host_info: host -> firmware
128  * Used for sending host information to firmware, and request fw version
137  * Bit 0-7 : OS information
138  * Bit 8-31: Feature/Capability Information
150  * Bit 5-31: Reserved.
157  * snic_exch_ver_rsp : firmware -> host
175  * snic_report_tgts : host -> firmware request
177  * Used by the host to request list of targets
201 /* target id format */
203 	__le32	tgt_id;		/* target id */
205 	__le16	vnic_id;	/* corresponding vnic id */
209  * snic_report_tgts_cmpl : firmware -> host response
223  * Bit 2: ESGL - sg/esg array contains extended sg
224  *	  ESGE - is a host buffer contains sg elements
225  * Bit 3-4: Task Attributes
226  *		00b - simple
227  *		01b - head of queue
228  *		10b - ordered
229  * Bit 5-7: Priority - future use
230  * Bit 8-15: Reserved
249  * snic_icmnd : host-> firmware request
251  * used for sending out an initiator SCSI 16/32-byte command
257 	__le64	tgt_id;		/* Destination Target ID */
258 	__le64	lun_id;		/* Destination LUN ID */
272  * Bit 2-7: Reserved
278  * snic_icmnd_cmpl: firmware -> host response
280  * Used for sending the host a response to an icmnd (initiator command)
290  * snic_itmf: host->firmware request
301 	__le32	req_id;		/* Command id of snic req to be aborted */
302 	__le64	tgt_id;		/* Target ID */
303 	__le64	lun_id;		/* Destination LUN ID */
320  * snic_itmf_cmpl: firmware -> host resposne
322  * used for sending the host a response for a itmf request
332  * Bit 0 : 1 - Num terminated field valid
333  * Bit 1 - 7 : Reserved
338  * snic_hba_reset: host -> firmware request
348  * snic_hba_reset_cmpl: firmware -> host response
350  * Used by firmware to respond to the host's hba reset request
358  * snic_notify_msg: firmware -> host response
360  * Used by firmware to notify host of the last work queue entry received
370 /* snic_async_evnotify: firmware -> host notification
372  * Used by firmware to notify the host about configuration/state changes
376 	u8	vnic;			/* vnic id */
378 	__le32	ev_id;			/* Event ID */
385 	SNIC_EV_TGT_OFFLINE = 0x01, /* Target Offline, PL contains TGT ID */
386 	SNIC_EV_TGT_ONLINE,	/* Target Online, PL contains TGT ID */
387 	SNIC_EV_LUN_OFFLINE,	/* LUN Offline, PL contains LUN ID */
388 	SNIC_EV_LUN_ONLINE,	/* LUN Online, PL contains LUN ID */
391 	SNIC_EV_TGT_DELTD,	/* Target Del'd, PL contains TGT ID */
393 	SNIC_EV_LUN_DELTD,	/* LUN Del'd, PL cont. TGT & LUN ID */
399 #define SNIC_HOST_REQ_LEN	128	/*Exp length of host req, wq desc sz*/
400 /* Payload 88 bytes = 128 - 24 - 16 */
401 #define SNIC_HOST_REQ_PAYLOAD	((int)(SNIC_HOST_REQ_LEN -		\
402 					sizeof(struct snic_io_hdr) -	\
403 					(2 * sizeof(u64)) - sizeof(ulong)))
406  * snic_host_req: host -> firmware request
408  * Basic structure for all snic requests that are sent from the host to
412 	u64	ctrl_data[2];	/*16 bytes - Control Data */
449 		u8	buf[SNIC_FW_REQ_LEN - sizeof(struct snic_io_hdr)];
490 	u8 *c = ((u8 *) req) + sizeof(struct snic_fw_req) - 1;  in snic_color_enc()
501 	u8 *c = ((u8 *) req) + sizeof(struct snic_fw_req) - 1;  in snic_color_dec()