xref: /titanic_51/usr/src/uts/common/io/hxge/hpi_rxdma.h (revision 37714ae43602c675f9dc59b070bfdf9fa702872c)
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 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <hpi.h>
34 #include <hxge_defs.h>
35 #include <hxge_pfc.h>
36 #include <hxge_pfc_hw.h>
37 #include <hxge_rdc_hw.h>
38 
39 #define	RXDMA_CFIG2_MBADDR_L_SHIFT	6	/* bit 31:6 */
40 #define	RXDMA_CFIG2_MBADDR_L_MASK	0x00000000ffffffc0ULL
41 
42 #define	RBR_CFIG_A_STDADDR_MASK		0x000000000003ffc0ULL
43 #define	RBR_CFIG_A_STDADDR_BASE_MASK    0x00000ffffffc0000ULL
44 
45 #define	RCRCFIG_A_STADDR_SHIFT		6	/* bit 18:6 */
46 #define	RCRCFIG_A_STADDR_MASK		0x000000000007FFC0ULL
47 #define	RCRCFIG_A_STADDR_BASE_SHIF	19	/* bit 43:19 */
48 #define	RCRCFIG_A_STADDR_BASE_MASK	0x00000FFFFFF80000ULL
49 #define	RCRCFIG_A_LEN_SHIF		48	/* bit 63:48 */
50 #define	RCRCFIG_A_LEN_MASK		0xFFFF000000000000ULL
51 
52 #define	RCR_FLSH_SHIFT			0	/* RW, bit 0:0 */
53 #define	RCR_FLSH_SET			0x0000000000000001ULL
54 #define	RCR_FLSH_MASK			0x0000000000000001ULL
55 
56 #define	RBR_CFIG_A_LEN_SHIFT		48	/* bits 63:48 */
57 #define	RBR_CFIG_A_LEN_MASK		0xFFFF000000000000ULL
58 
59 /*
60  * Buffer block descriptor
61  */
62 typedef struct _rx_desc_t {
63 	uint32_t	block_addr;
64 } rx_desc_t, *p_rx_desc_t;
65 
66 typedef enum _bsize {
67 	SIZE_0B = 0x0,
68 	SIZE_64B,
69 	SIZE_128B,
70 	SIZE_192B,
71 	SIZE_256B,
72 	SIZE_512B,
73 	SIZE_1KB,
74 	SIZE_2KB,
75 	SIZE_4KB,
76 	SIZE_8KB,
77 	SIZE_16KB,
78 	SIZE_32KB
79 } bsize_t;
80 
81 typedef struct _rdc_desc_cfg_t {
82 	uint8_t mbox_enable;		/* Enable full (18b) header */
83 	uint8_t full_hdr;		/* Enable full (18b) header */
84 	uint8_t offset;			/* 64 byte offsets */
85 	uint8_t valid2;			/* size 2 is valid */
86 	bsize_t size2;			/* Size 2 length */
87 	uint8_t valid1;			/* size 1 is valid */
88 	bsize_t size1;			/* Size 1 length */
89 	uint8_t valid0;			/* size 0 is valid */
90 	bsize_t size0;			/* Size 1 length */
91 	bsize_t page_size;		/* Page or buffer Size */
92 	uint8_t	rcr_timeout_enable;
93 	uint8_t	rcr_timeout;
94 	uint16_t rcr_threshold;
95 	uint16_t rcr_len;		/* RBR Descriptor size (entries) */
96 	uint16_t rbr_len;		/* RBR Descriptor size (entries) */
97 	uint64_t mbox_addr;		/* Mailbox Address */
98 	uint64_t rcr_addr;		/* RCR Address */
99 	uint64_t rbr_addr;		/* RBB Address */
100 } rdc_desc_cfg_t;
101 
102 
103 /*
104  * Register offset (0x800 bytes for each channel) for receive ring registers.
105  */
106 #define	HXGE_RXDMA_OFFSET(x, v, channel) (x + \
107 		(!v ? DMC_OFFSET(channel) : \
108 		    RDMC_PIOVADDR_OFFSET(channel)))
109 
110 #define	RXDMA_REG_READ64(handle, reg, channel, data_p) {\
111 	HXGE_REG_RD64(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
112 		channel)), (data_p))\
113 }
114 
115 #define	RXDMA_REG_READ32(handle, reg, channel, data_p) \
116 	HXGE_REG_RD32(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
117 		channel)), (data_p))
118 
119 #define	RXDMA_REG_WRITE64(handle, reg, channel, data) {\
120 	HXGE_REG_WR64(handle, (HXGE_RXDMA_OFFSET(reg, handle.is_vraddr,\
121 		channel)), (data))\
122 }
123 
124 /*
125  * RX HPI error codes
126  */
127 #define	RXDMA_ER_ST			(RXDMA_BLK_ID << HPI_BLOCK_ID_SHIFT)
128 #define	RXDMA_ID_SHIFT(n)		(n << HPI_PORT_CHAN_SHIFT)
129 
130 #define	HPI_RXDMA_ERROR			RXDMA_ER_ST
131 
132 #define	HPI_RXDMA_SW_PARAM_ERROR	(HPI_RXDMA_ERROR | 0x40)
133 #define	HPI_RXDMA_HW_ERROR		(HPI_RXDMA_ERROR | 0x80)
134 
135 #define	HPI_RXDMA_RDC_INVALID		(HPI_RXDMA_ERROR | CHANNEL_INVALID)
136 #define	HPI_RXDMA_RESET_ERR		(HPI_RXDMA_HW_ERROR | RESET_FAILED)
137 #define	HPI_RXDMA_BUFSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000b)
138 #define	HPI_RXDMA_RBRSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000c)
139 #define	HPI_RXDMA_RCRSZIE_INVALID	(HPI_RXDMA_SW_PARAM_ERROR | 0x0000d)
140 
141 #define	HPI_RXDMA_CHANNEL_INVALID(n)	(RXDMA_ID_SHIFT(n) |	\
142 					HPI_RXDMA_ERROR | CHANNEL_INVALID)
143 #define	HPI_RXDMA_OPCODE_INVALID(n)	(RXDMA_ID_SHIFT(n) |	\
144 					HPI_RXDMA_ERROR | OPCODE_INVALID)
145 
146 #define	HPI_RXDMA_ERROR_ENCODE(err, rdc)	\
147 	(RXDMA_ID_SHIFT(rdc) | RXDMA_ER_ST | err)
148 
149 #define	RXDMA_CHANNEL_VALID(rdc) \
150 	((rdc < HXGE_MAX_RDCS))
151 
152 #define	RXDMA_BUFF_OFFSET_VALID(offset) \
153 	((offset == SW_OFFSET_NO_OFFSET) || \
154 	    (offset == SW_OFFSET_64) || \
155 	    (offset == SW_OFFSET_128))
156 
157 #define	RXDMA_RCR_TO_VALID(tov) ((tov) && (tov < 64))
158 #define	RXDMA_RCR_THRESH_VALID(thresh) ((thresh <= 0x8000))
159 
160 #define	hpi_rxdma_rdc_rcr_flush(handle, rdc) \
161 	RXDMA_REG_WRITE64(handle, RDC_RCR_FLUSH, rdc, \
162 		    (RCR_FLSH_SET << RCR_FLSH_SHIFT))
163 #define	hpi_rxdma_rdc_rbr_kick(handle, rdc, num_buffers) \
164 	RXDMA_REG_WRITE64(handle, RDC_RBR_KICK, rdc, num_buffers)
165 
166 hpi_status_t hpi_rxdma_cfg_rdc_wait_for_qst(hpi_handle_t handle, uint8_t rdc);
167 hpi_status_t hpi_rxdma_cfg_rdc_ring(hpi_handle_t handle, uint8_t rdc,
168     rdc_desc_cfg_t *rdc_desc_params);
169 hpi_status_t hpi_rxdma_cfg_clock_div_set(hpi_handle_t handle, uint16_t count);
170 hpi_status_t hpi_rxdma_cfg_logical_page_handle(hpi_handle_t handle, uint8_t rdc,
171     uint64_t pg_handle);
172 
173 hpi_status_t hpi_rxdma_rdc_rbr_stat_get(hpi_handle_t handle, uint8_t rdc,
174     rdc_rbr_qlen_t *rbr_stat);
175 hpi_status_t hpi_rxdma_cfg_rdc_reset(hpi_handle_t handle, uint8_t rdc);
176 hpi_status_t hpi_rxdma_cfg_rdc_enable(hpi_handle_t handle, uint8_t rdc);
177 hpi_status_t hpi_rxdma_cfg_rdc_disable(hpi_handle_t handle, uint8_t rdc);
178 hpi_status_t hpi_rxdma_cfg_rdc_rcr_timeout(hpi_handle_t handle, uint8_t rdc,
179     uint8_t rcr_timeout);
180 
181 hpi_status_t hpi_rxdma_cfg_rdc_rcr_threshold(hpi_handle_t handle, uint8_t rdc,
182     uint16_t rcr_threshold);
183 hpi_status_t hpi_rxdma_rdc_rcr_qlen_get(hpi_handle_t handle,
184     uint8_t rdc,  uint16_t *qlen);
185 
186 hpi_status_t hpi_rxdma_ring_perr_stat_get(hpi_handle_t handle,
187     rdc_pref_par_log_t *pre_log, rdc_pref_par_log_t *sha_log);
188 
189 hpi_status_t hpi_rxdma_control_status(hpi_handle_t handle, io_op_t op_mode,
190     uint8_t channel, rdc_stat_t *cs_p);
191 hpi_status_t hpi_rxdma_event_mask(hpi_handle_t handle, io_op_t op_mode,
192     uint8_t channel, rdc_int_mask_t *mask_p);
193 hpi_status_t hpi_rxdma_channel_rbr_empty_clear(hpi_handle_t handle,
194     uint8_t channel);
195 
196 #ifdef	__cplusplus
197 }
198 #endif
199 
200 #endif	/* _HPI_RXDMA_H */
201