xref: /titanic_52/usr/src/uts/common/io/hxge/hpi_rxdma.h (revision d2ec54f7875f7e05edd56195adbeb593c947763f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _HPI_RXDMA_H
27 #define	_HPI_RXDMA_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <hpi.h>
36 #include <hxge_defs.h>
37 #include <hxge_pfc.h>
38 #include <hxge_pfc_hw.h>
39 #include <hxge_rdc_hw.h>
40 
41 #define	RXDMA_CFIG2_MBADDR_L_SHIFT	6	/* bit 31:6 */
42 #define	RXDMA_CFIG2_MBADDR_L_MASK	0x00000000ffffffc0ULL
43 
44 #define	RBR_CFIG_A_STDADDR_MASK		0x000000000003ffc0ULL
45 #define	RBR_CFIG_A_STDADDR_BASE_MASK    0x00000ffffffc0000ULL
46 
47 #define	RCRCFIG_A_STADDR_SHIFT		6	/* bit 18:6 */
48 #define	RCRCFIG_A_STADDR_MASK		0x000000000007FFC0ULL
49 #define	RCRCFIG_A_STADDR_BASE_SHIF	19	/* bit 43:19 */
50 #define	RCRCFIG_A_STADDR_BASE_MASK	0x00000FFFFFF80000ULL
51 #define	RCRCFIG_A_LEN_SHIF		48	/* bit 63:48 */
52 #define	RCRCFIG_A_LEN_MASK		0xFFFF000000000000ULL
53 
54 #define	RCR_FLSH_SHIFT			0	/* RW, bit 0:0 */
55 #define	RCR_FLSH_SET			0x0000000000000001ULL
56 #define	RCR_FLSH_MASK			0x0000000000000001ULL
57 
58 #define	RBR_CFIG_A_LEN_SHIFT		48	/* bits 63:48 */
59 #define	RBR_CFIG_A_LEN_MASK		0xFFFF000000000000ULL
60 
61 /*
62  * Buffer block descriptor
63  */
64 typedef struct _rx_desc_t {
65 	uint32_t	block_addr;
66 } rx_desc_t, *p_rx_desc_t;
67 
68 typedef enum _bsize {
69 	SIZE_0B = 0x0,
70 	SIZE_64B,
71 	SIZE_128B,
72 	SIZE_192B,
73 	SIZE_256B,
74 	SIZE_512B,
75 	SIZE_1KB,
76 	SIZE_2KB,
77 	SIZE_4KB,
78 	SIZE_8KB,
79 	SIZE_16KB,
80 	SIZE_32KB
81 } bsize_t;
82 
83 typedef struct _rdc_desc_cfg_t {
84 	uint8_t mbox_enable;		/* Enable full (18b) header */
85 	uint8_t full_hdr;		/* Enable full (18b) header */
86 	uint8_t offset;			/* 64 byte offsets */
87 	uint8_t valid2;			/* size 2 is valid */
88 	bsize_t size2;			/* Size 2 length */
89 	uint8_t valid1;			/* size 1 is valid */
90 	bsize_t size1;			/* Size 1 length */
91 	uint8_t valid0;			/* size 0 is valid */
92 	bsize_t size0;			/* Size 1 length */
93 	bsize_t page_size;		/* Page or buffer Size */
94 	uint8_t	rcr_timeout_enable;
95 	uint8_t	rcr_timeout;
96 	uint16_t rcr_threshold;
97 	uint16_t rcr_len;		/* RBR Descriptor size (entries) */
98 	uint16_t rbr_len;		/* RBR Descriptor size (entries) */
99 	uint64_t mbox_addr;		/* Mailbox Address */
100 	uint64_t rcr_addr;		/* RCR Address */
101 	uint64_t rbr_addr;		/* RBB Address */
102 } rdc_desc_cfg_t;
103 
104 
105 /*
106  * Register offset (0x800 bytes for each channel) for receive ring registers.
107  */
108 #define	HXGE_RXDMA_OFFSET(x, v, channel) (x + \
109 		(!v ? DMC_OFFSET(channel) : \
110 		    RDMC_PIOVADDR_OFFSET(channel)))
111 
112 #define	RXDMA_REG_READ64(handle, reg, channel, data_p) {\
113 	HXGE_REG_RD64(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
114 		channel)), (data_p))\
115 }
116 
117 #define	RXDMA_REG_READ32(handle, reg, channel) \
118 	HXGE_HPI_PIO_READ32(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
119 		channel)))
120 
121 #define	RXDMA_REG_WRITE64(handle, reg, channel, data) {\
122 	HXGE_REG_WR64(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
123 		channel)), (data))\
124 }
125 
126 /*
127  * RX HPI error codes
128  */
129 #define	RXDMA_ER_ST			(RXDMA_BLK_ID << HPI_BLOCK_ID_SHIFT)
130 #define	RXDMA_ID_SHIFT(n)		(n << HPI_PORT_CHAN_SHIFT)
131 
132 #define	HPI_RXDMA_ERROR			RXDMA_ER_ST
133 
134 #define	HPI_RXDMA_SW_PARAM_ERROR	(HPI_RXDMA_ERROR | 0x40)
135 #define	HPI_RXDMA_HW_ERROR		(HPI_RXDMA_ERROR | 0x80)
136 
137 #define	HPI_RXDMA_RDC_INVALID		(HPI_RXDMA_ERROR | CHANNEL_INVALID)
138 #define	HPI_RXDMA_RESET_ERR		(HPI_RXDMA_HW_ERROR | RESET_FAILED)
139 #define	HPI_RXDMA_BUFSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000b)
140 #define	HPI_RXDMA_RBRSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000c)
141 #define	HPI_RXDMA_RCRSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000d)
142 
143 #define	HPI_RXDMA_CHANNEL_INVALID(n)	(RXDMA_ID_SHIFT(n) |	\
144 					HPI_RXDMA_ERROR | CHANNEL_INVALID)
145 #define	HPI_RXDMA_OPCODE_INVALID(n)	(RXDMA_ID_SHIFT(n) |	\
146 					HPI_RXDMA_ERROR | OPCODE_INVALID)
147 
148 #define	HPI_RXDMA_ERROR_ENCODE(err, rdc)	\
149 	(RXDMA_ID_SHIFT(rdc) | RXDMA_ER_ST | err)
150 
151 #define	RXDMA_CHANNEL_VALID(rdc) \
152 	((rdc < HXGE_MAX_RDCS))
153 
154 #define	RXDMA_BUFF_OFFSET_VALID(offset) \
155 	((offset == SW_OFFSET_NO_OFFSET) || \
156 	    (offset == SW_OFFSET_64) || \
157 	    (offset == SW_OFFSET_128))
158 
159 #define	RXDMA_RCR_TO_VALID(tov) ((tov) && (tov < 64))
160 #define	RXDMA_RCR_THRESH_VALID(thresh) ((thresh) && (thresh < 512))
161 
162 #define	hpi_rxdma_rdc_rcr_flush(handle, rdc) \
163 	RXDMA_REG_WRITE64(handle, RDC_RCR_FLUSH, rdc, \
164 		    (RCR_FLSH_SET << RCR_FLSH_SHIFT))
165 #define	hpi_rxdma_rdc_rbr_kick(handle, rdc, num_buffers) \
166 	RXDMA_REG_WRITE64(handle, RDC_RBR_KICK, rdc, num_buffers)
167 
168 hpi_status_t hpi_rxdma_cfg_rdc_ring(hpi_handle_t handle, uint8_t rdc,
169     rdc_desc_cfg_t *rdc_desc_params);
170 hpi_status_t hpi_rxdma_cfg_clock_div_set(hpi_handle_t handle, uint16_t count);
171 hpi_status_t hpi_rxdma_cfg_logical_page_handle(hpi_handle_t handle, uint8_t rdc,
172     uint64_t pg_handle);
173 
174 hpi_status_t hpi_rxdma_rdc_rbr_stat_get(hpi_handle_t handle, uint8_t rdc,
175     rdc_rbr_qlen_t *rbr_stat);
176 hpi_status_t hpi_rxdma_cfg_rdc_reset(hpi_handle_t handle, uint8_t rdc);
177 hpi_status_t hpi_rxdma_cfg_rdc_enable(hpi_handle_t handle, uint8_t rdc);
178 hpi_status_t hpi_rxdma_cfg_rdc_disable(hpi_handle_t handle, uint8_t rdc);
179 hpi_status_t hpi_rxdma_cfg_rdc_rcr_timeout(hpi_handle_t handle, uint8_t rdc,
180     uint8_t rcr_timeout);
181 
182 hpi_status_t hpi_rxdma_cfg_rdc_rcr_threshold(hpi_handle_t handle, uint8_t rdc,
183     uint16_t rcr_threshold);
184 hpi_status_t hpi_rxdma_rdc_rcr_qlen_get(hpi_handle_t handle,
185     uint8_t rdc,  uint16_t *qlen);
186 
187 hpi_status_t hpi_rxdma_ring_perr_stat_get(hpi_handle_t handle,
188     rdc_pref_par_log_t *pre_log, rdc_pref_par_log_t *sha_log);
189 
190 hpi_status_t hpi_rxdma_control_status(hpi_handle_t handle, io_op_t op_mode,
191     uint8_t channel, rdc_stat_t *cs_p);
192 hpi_status_t hpi_rxdma_event_mask(hpi_handle_t handle, io_op_t op_mode,
193     uint8_t channel, rdc_int_mask_t *mask_p);
194 hpi_status_t hpi_rxdma_channel_rbr_empty_clear(hpi_handle_t handle,
195     uint8_t channel);
196 
197 #ifdef	__cplusplus
198 }
199 #endif
200 
201 #endif	/* _HPI_RXDMA_H */
202