diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/include/asm/qdio.h | 119 |
1 files changed, 28 insertions, 91 deletions
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 350e7ee5952d..15c97625df8d 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h | |||
@@ -139,110 +139,47 @@ struct slib { | |||
139 | struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; | 139 | struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; |
140 | } __attribute__ ((packed, aligned(2048))); | 140 | } __attribute__ ((packed, aligned(2048))); |
141 | 141 | ||
142 | /** | 142 | #define SBAL_EFLAGS_LAST_ENTRY 0x40 |
143 | * struct sbal_flags - storage block address list flags | 143 | #define SBAL_EFLAGS_CONTIGUOUS 0x20 |
144 | * @last: last entry | 144 | #define SBAL_EFLAGS_FIRST_FRAG 0x04 |
145 | * @cont: contiguous storage | 145 | #define SBAL_EFLAGS_MIDDLE_FRAG 0x08 |
146 | * @frag: fragmentation | 146 | #define SBAL_EFLAGS_LAST_FRAG 0x0c |
147 | */ | 147 | #define SBAL_EFLAGS_MASK 0x6f |
148 | struct sbal_flags { | ||
149 | u8 : 1; | ||
150 | u8 last : 1; | ||
151 | u8 cont : 1; | ||
152 | u8 : 1; | ||
153 | u8 frag : 2; | ||
154 | u8 : 2; | ||
155 | } __attribute__ ((packed)); | ||
156 | |||
157 | #define SBAL_FLAGS_FIRST_FRAG 0x04000000UL | ||
158 | #define SBAL_FLAGS_MIDDLE_FRAG 0x08000000UL | ||
159 | #define SBAL_FLAGS_LAST_FRAG 0x0c000000UL | ||
160 | #define SBAL_FLAGS_LAST_ENTRY 0x40000000UL | ||
161 | #define SBAL_FLAGS_CONTIGUOUS 0x20000000UL | ||
162 | 148 | ||
163 | #define SBAL_FLAGS0_DATA_CONTINUATION 0x20UL | 149 | #define SBAL_SFLAGS0_PCI_REQ 0x40 |
150 | #define SBAL_SFLAGS0_DATA_CONTINUATION 0x20 | ||
164 | 151 | ||
165 | /* Awesome OpenFCP extensions */ | 152 | /* Awesome OpenFCP extensions */ |
166 | #define SBAL_FLAGS0_TYPE_STATUS 0x00UL | 153 | #define SBAL_SFLAGS0_TYPE_STATUS 0x00 |
167 | #define SBAL_FLAGS0_TYPE_WRITE 0x08UL | 154 | #define SBAL_SFLAGS0_TYPE_WRITE 0x08 |
168 | #define SBAL_FLAGS0_TYPE_READ 0x10UL | 155 | #define SBAL_SFLAGS0_TYPE_READ 0x10 |
169 | #define SBAL_FLAGS0_TYPE_WRITE_READ 0x18UL | 156 | #define SBAL_SFLAGS0_TYPE_WRITE_READ 0x18 |
170 | #define SBAL_FLAGS0_MORE_SBALS 0x04UL | 157 | #define SBAL_SFLAGS0_MORE_SBALS 0x04 |
171 | #define SBAL_FLAGS0_COMMAND 0x02UL | 158 | #define SBAL_SFLAGS0_COMMAND 0x02 |
172 | #define SBAL_FLAGS0_LAST_SBAL 0x00UL | 159 | #define SBAL_SFLAGS0_LAST_SBAL 0x00 |
173 | #define SBAL_FLAGS0_ONLY_SBAL SBAL_FLAGS0_COMMAND | 160 | #define SBAL_SFLAGS0_ONLY_SBAL SBAL_SFLAGS0_COMMAND |
174 | #define SBAL_FLAGS0_MIDDLE_SBAL SBAL_FLAGS0_MORE_SBALS | 161 | #define SBAL_SFLAGS0_MIDDLE_SBAL SBAL_SFLAGS0_MORE_SBALS |
175 | #define SBAL_FLAGS0_FIRST_SBAL SBAL_FLAGS0_MORE_SBALS | SBAL_FLAGS0_COMMAND | 162 | #define SBAL_SFLAGS0_FIRST_SBAL (SBAL_SFLAGS0_MORE_SBALS | SBAL_SFLAGS0_COMMAND) |
176 | #define SBAL_FLAGS0_PCI 0x40 | ||
177 | |||
178 | /** | ||
179 | * struct sbal_sbalf_0 - sbal flags for sbale 0 | ||
180 | * @pci: PCI indicator | ||
181 | * @cont: data continuation | ||
182 | * @sbtype: storage-block type (FCP) | ||
183 | */ | ||
184 | struct sbal_sbalf_0 { | ||
185 | u8 : 1; | ||
186 | u8 pci : 1; | ||
187 | u8 cont : 1; | ||
188 | u8 sbtype : 2; | ||
189 | u8 : 3; | ||
190 | } __attribute__ ((packed)); | ||
191 | |||
192 | /** | ||
193 | * struct sbal_sbalf_1 - sbal flags for sbale 1 | ||
194 | * @key: storage key | ||
195 | */ | ||
196 | struct sbal_sbalf_1 { | ||
197 | u8 : 4; | ||
198 | u8 key : 4; | ||
199 | } __attribute__ ((packed)); | ||
200 | |||
201 | /** | ||
202 | * struct sbal_sbalf_14 - sbal flags for sbale 14 | ||
203 | * @erridx: error index | ||
204 | */ | ||
205 | struct sbal_sbalf_14 { | ||
206 | u8 : 4; | ||
207 | u8 erridx : 4; | ||
208 | } __attribute__ ((packed)); | ||
209 | |||
210 | /** | ||
211 | * struct sbal_sbalf_15 - sbal flags for sbale 15 | ||
212 | * @reason: reason for error state | ||
213 | */ | ||
214 | struct sbal_sbalf_15 { | ||
215 | u8 reason; | ||
216 | } __attribute__ ((packed)); | ||
217 | |||
218 | /** | ||
219 | * union sbal_sbalf - storage block address list flags | ||
220 | * @i0: sbalf0 | ||
221 | * @i1: sbalf1 | ||
222 | * @i14: sbalf14 | ||
223 | * @i15: sblaf15 | ||
224 | * @value: raw value | ||
225 | */ | ||
226 | union sbal_sbalf { | ||
227 | struct sbal_sbalf_0 i0; | ||
228 | struct sbal_sbalf_1 i1; | ||
229 | struct sbal_sbalf_14 i14; | ||
230 | struct sbal_sbalf_15 i15; | ||
231 | u8 value; | ||
232 | }; | ||
233 | 163 | ||
234 | /** | 164 | /** |
235 | * struct qdio_buffer_element - SBAL entry | 165 | * struct qdio_buffer_element - SBAL entry |
236 | * @flags: flags | 166 | * @eflags: SBAL entry flags |
167 | * @scount: SBAL count | ||
168 | * @sflags: whole SBAL flags | ||
237 | * @length: length | 169 | * @length: length |
238 | * @addr: address | 170 | * @addr: address |
239 | */ | 171 | */ |
240 | struct qdio_buffer_element { | 172 | struct qdio_buffer_element { |
241 | u32 flags; | 173 | u8 eflags; |
174 | /* private: */ | ||
175 | u8 res1; | ||
176 | /* public: */ | ||
177 | u8 scount; | ||
178 | u8 sflags; | ||
242 | u32 length; | 179 | u32 length; |
243 | #ifdef CONFIG_32BIT | 180 | #ifdef CONFIG_32BIT |
244 | /* private: */ | 181 | /* private: */ |
245 | void *reserved; | 182 | void *res2; |
246 | /* public: */ | 183 | /* public: */ |
247 | #endif | 184 | #endif |
248 | void *addr; | 185 | void *addr; |