Revision f3c507ad
b/MAINTAINERS | ||
---|---|---|
609 | 609 |
F: hw/char/virtio-serial-bus.c |
610 | 610 |
F: hw/char/virtio-console.c |
611 | 611 |
|
612 |
nvme |
|
613 |
M: Keith Busch <keith.busch@intel.com> |
|
614 |
S: Supported |
|
615 |
F: hw/block/nvme* |
|
616 |
|
|
612 | 617 |
Xilinx EDK |
613 | 618 |
M: Peter Crosthwaite <peter.crosthwaite@petalogix.com> |
614 | 619 |
M: Edgar E. Iglesias <edgar.iglesias@gmail.com> |
b/default-configs/pci.mak | ||
---|---|---|
29 | 29 |
CONFIG_IPACK=y |
30 | 30 |
CONFIG_WDT_IB6300ESB=y |
31 | 31 |
CONFIG_PCI_TESTDEV=y |
32 |
CONFIG_NVME_PCI=y |
b/hw/block/Makefile.objs | ||
---|---|---|
8 | 8 |
common-obj-$(CONFIG_ECC) += ecc.o |
9 | 9 |
common-obj-$(CONFIG_ONENAND) += onenand.o |
10 | 10 |
common-obj-$(CONFIG_PC_SYSFW) += pc_sysfw.o |
11 |
common-obj-$(CONFIG_NVME_PCI) += nvme.o |
|
11 | 12 |
|
12 | 13 |
obj-$(CONFIG_SH4) += tc58128.o |
13 | 14 |
|
b/hw/block/nvme.c | ||
---|---|---|
1 |
/* |
|
2 |
* QEMU NVM Express Controller |
|
3 |
* |
|
4 |
* Copyright (c) 2012, Intel Corporation |
|
5 |
* |
|
6 |
* Written by Keith Busch <keith.busch@intel.com> |
|
7 |
* |
|
8 |
* This code is licensed under the GNU GPL v2 or later. |
|
9 |
*/ |
|
10 |
|
|
11 |
/** |
|
12 |
* Reference Specs: http://www.nvmexpress.org, 1.1, 1.0e |
|
13 |
* |
|
14 |
* http://www.nvmexpress.org/resources/ |
|
15 |
*/ |
|
16 |
|
|
17 |
/** |
|
18 |
* Usage: add options: |
|
19 |
* -drive file=<file>,if=none,id=<drive_id> |
|
20 |
* -device nvme,drive=<drive_id>,serial=<serial>,id=<id[optional]> |
|
21 |
*/ |
|
22 |
|
|
23 |
#include <hw/block/block.h> |
|
24 |
#include <hw/hw.h> |
|
25 |
#include <hw/pci/msix.h> |
|
26 |
#include <hw/pci/pci.h> |
|
27 |
|
|
28 |
#include "nvme.h" |
|
29 |
|
|
30 |
static void nvme_process_sq(void *opaque); |
|
31 |
|
|
32 |
static int nvme_check_sqid(NvmeCtrl *n, uint16_t sqid) |
|
33 |
{ |
|
34 |
return sqid < n->num_queues && n->sq[sqid] != NULL ? 0 : -1; |
|
35 |
} |
|
36 |
|
|
37 |
static int nvme_check_cqid(NvmeCtrl *n, uint16_t cqid) |
|
38 |
{ |
|
39 |
return cqid < n->num_queues && n->cq[cqid] != NULL ? 0 : -1; |
|
40 |
} |
|
41 |
|
|
42 |
static void nvme_inc_cq_tail(NvmeCQueue *cq) |
|
43 |
{ |
|
44 |
cq->tail++; |
|
45 |
if (cq->tail >= cq->size) { |
|
46 |
cq->tail = 0; |
|
47 |
cq->phase = !cq->phase; |
|
48 |
} |
|
49 |
} |
|
50 |
|
|
51 |
static void nvme_inc_sq_head(NvmeSQueue *sq) |
|
52 |
{ |
|
53 |
sq->head = (sq->head + 1) % sq->size; |
|
54 |
} |
|
55 |
|
|
56 |
static uint8_t nvme_cq_full(NvmeCQueue *cq) |
|
57 |
{ |
|
58 |
return (cq->tail + 1) % cq->size == cq->head; |
|
59 |
} |
|
60 |
|
|
61 |
static uint8_t nvme_sq_empty(NvmeSQueue *sq) |
|
62 |
{ |
|
63 |
return sq->head == sq->tail; |
|
64 |
} |
|
65 |
|
|
66 |
static void nvme_isr_notify(NvmeCtrl *n, NvmeCQueue *cq) |
|
67 |
{ |
|
68 |
if (cq->irq_enabled) { |
|
69 |
if (msix_enabled(&(n->parent_obj))) { |
|
70 |
msix_notify(&(n->parent_obj), cq->vector); |
|
71 |
} else { |
|
72 |
qemu_irq_pulse(n->parent_obj.irq[0]); |
|
73 |
} |
|
74 |
} |
|
75 |
} |
|
76 |
|
|
77 |
static uint16_t nvme_map_prp(QEMUSGList *qsg, uint64_t prp1, uint64_t prp2, |
|
78 |
uint32_t len, NvmeCtrl *n) |
|
79 |
{ |
|
80 |
hwaddr trans_len = n->page_size - (prp1 % n->page_size); |
|
81 |
trans_len = MIN(len, trans_len); |
|
82 |
int num_prps = (len >> n->page_bits) + 1; |
|
83 |
|
|
84 |
if (!prp1) { |
|
85 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
86 |
} |
|
87 |
|
|
88 |
qemu_sglist_init(qsg, num_prps, pci_dma_context(&n->parent_obj)); |
|
89 |
qemu_sglist_add(qsg, prp1, trans_len); |
|
90 |
len -= trans_len; |
|
91 |
if (len) { |
|
92 |
if (!prp2) { |
|
93 |
goto unmap; |
|
94 |
} |
|
95 |
if (len > n->page_size) { |
|
96 |
uint64_t prp_list[n->max_prp_ents]; |
|
97 |
uint32_t nents, prp_trans; |
|
98 |
int i = 0; |
|
99 |
|
|
100 |
nents = (len + n->page_size - 1) >> n->page_bits; |
|
101 |
prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); |
|
102 |
pci_dma_read(&n->parent_obj, prp2, (void *)prp_list, prp_trans); |
|
103 |
while (len != 0) { |
|
104 |
uint64_t prp_ent = le64_to_cpu(prp_list[i]); |
|
105 |
|
|
106 |
if (i == n->max_prp_ents - 1 && len > n->page_size) { |
|
107 |
if (!prp_ent || prp_ent & (n->page_size - 1)) { |
|
108 |
goto unmap; |
|
109 |
} |
|
110 |
|
|
111 |
i = 0; |
|
112 |
nents = (len + n->page_size - 1) >> n->page_bits; |
|
113 |
prp_trans = MIN(n->max_prp_ents, nents) * sizeof(uint64_t); |
|
114 |
pci_dma_read(&n->parent_obj, prp_ent, (void *)prp_list, |
|
115 |
prp_trans); |
|
116 |
prp_ent = le64_to_cpu(prp_list[i]); |
|
117 |
} |
|
118 |
|
|
119 |
if (!prp_ent || prp_ent & (n->page_size - 1)) { |
|
120 |
goto unmap; |
|
121 |
} |
|
122 |
|
|
123 |
trans_len = MIN(len, n->page_size); |
|
124 |
qemu_sglist_add(qsg, prp_ent, trans_len); |
|
125 |
len -= trans_len; |
|
126 |
i++; |
|
127 |
} |
|
128 |
} else { |
|
129 |
if (prp2 & (n->page_size - 1)) { |
|
130 |
goto unmap; |
|
131 |
} |
|
132 |
qemu_sglist_add(qsg, prp2, len); |
|
133 |
} |
|
134 |
} |
|
135 |
return NVME_SUCCESS; |
|
136 |
|
|
137 |
unmap: |
|
138 |
qemu_sglist_destroy(qsg); |
|
139 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
140 |
} |
|
141 |
|
|
142 |
static uint16_t nvme_dma_read_prp(NvmeCtrl *n, uint8_t *ptr, uint32_t len, |
|
143 |
uint64_t prp1, uint64_t prp2) |
|
144 |
{ |
|
145 |
QEMUSGList qsg; |
|
146 |
|
|
147 |
if (nvme_map_prp(&qsg, prp1, prp2, len, n)) { |
|
148 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
149 |
} |
|
150 |
if (dma_buf_read(ptr, len, &qsg)) { |
|
151 |
qemu_sglist_destroy(&qsg); |
|
152 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
153 |
} |
|
154 |
return NVME_SUCCESS; |
|
155 |
} |
|
156 |
|
|
157 |
static void nvme_post_cqes(void *opaque) |
|
158 |
{ |
|
159 |
NvmeCQueue *cq = opaque; |
|
160 |
NvmeCtrl *n = cq->ctrl; |
|
161 |
NvmeRequest *req, *next; |
|
162 |
|
|
163 |
QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { |
|
164 |
NvmeSQueue *sq; |
|
165 |
hwaddr addr; |
|
166 |
|
|
167 |
if (nvme_cq_full(cq)) { |
|
168 |
break; |
|
169 |
} |
|
170 |
|
|
171 |
QTAILQ_REMOVE(&cq->req_list, req, entry); |
|
172 |
sq = req->sq; |
|
173 |
req->cqe.status = cpu_to_le16((req->status << 1) | cq->phase); |
|
174 |
req->cqe.sq_id = cpu_to_le16(sq->sqid); |
|
175 |
req->cqe.sq_head = cpu_to_le16(sq->head); |
|
176 |
addr = cq->dma_addr + cq->tail * n->cqe_size; |
|
177 |
nvme_inc_cq_tail(cq); |
|
178 |
pci_dma_write(&n->parent_obj, addr, (void *)&req->cqe, |
|
179 |
sizeof(req->cqe)); |
|
180 |
QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); |
|
181 |
} |
|
182 |
nvme_isr_notify(n, cq); |
|
183 |
} |
|
184 |
|
|
185 |
static void nvme_enqueue_req_completion(NvmeCQueue *cq, NvmeRequest *req) |
|
186 |
{ |
|
187 |
assert(cq->cqid == req->sq->cqid); |
|
188 |
QTAILQ_REMOVE(&req->sq->out_req_list, req, entry); |
|
189 |
QTAILQ_INSERT_TAIL(&cq->req_list, req, entry); |
|
190 |
qemu_mod_timer(cq->timer, qemu_get_clock_ns(vm_clock) + 500); |
|
191 |
} |
|
192 |
|
|
193 |
static void nvme_rw_cb(void *opaque, int ret) |
|
194 |
{ |
|
195 |
NvmeRequest *req = opaque; |
|
196 |
NvmeSQueue *sq = req->sq; |
|
197 |
NvmeCtrl *n = sq->ctrl; |
|
198 |
NvmeCQueue *cq = n->cq[sq->cqid]; |
|
199 |
|
|
200 |
bdrv_acct_done(n->conf.bs, &req->acct); |
|
201 |
if (!ret) { |
|
202 |
req->status = NVME_SUCCESS; |
|
203 |
} else { |
|
204 |
req->status = NVME_INTERNAL_DEV_ERROR; |
|
205 |
} |
|
206 |
|
|
207 |
qemu_sglist_destroy(&req->qsg); |
|
208 |
nvme_enqueue_req_completion(cq, req); |
|
209 |
} |
|
210 |
|
|
211 |
static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd, |
|
212 |
NvmeRequest *req) |
|
213 |
{ |
|
214 |
NvmeRwCmd *rw = (NvmeRwCmd *)cmd; |
|
215 |
uint32_t nlb = le32_to_cpu(rw->nlb) + 1; |
|
216 |
uint64_t slba = le64_to_cpu(rw->slba); |
|
217 |
uint64_t prp1 = le64_to_cpu(rw->prp1); |
|
218 |
uint64_t prp2 = le64_to_cpu(rw->prp2); |
|
219 |
|
|
220 |
uint8_t lba_index = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas); |
|
221 |
uint8_t data_shift = ns->id_ns.lbaf[lba_index].ds; |
|
222 |
uint64_t data_size = nlb << data_shift; |
|
223 |
uint64_t aio_slba = slba << (data_shift - BDRV_SECTOR_BITS); |
|
224 |
int is_write = rw->opcode == NVME_CMD_WRITE ? 1 : 0; |
|
225 |
|
|
226 |
if ((slba + nlb) > ns->id_ns.nsze) { |
|
227 |
return NVME_LBA_RANGE | NVME_DNR; |
|
228 |
} |
|
229 |
if (nvme_map_prp(&req->qsg, prp1, prp2, data_size, n)) { |
|
230 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
231 |
} |
|
232 |
assert((nlb << data_shift) == req->qsg.size); |
|
233 |
|
|
234 |
dma_acct_start(n->conf.bs, &req->acct, &req->qsg, is_write ? |
|
235 |
BDRV_ACCT_WRITE : BDRV_ACCT_READ); |
|
236 |
req->aiocb = is_write ? |
|
237 |
dma_bdrv_write(n->conf.bs, &req->qsg, aio_slba, nvme_rw_cb, req) : |
|
238 |
dma_bdrv_read(n->conf.bs, &req->qsg, aio_slba, nvme_rw_cb, req); |
|
239 |
|
|
240 |
return NVME_NO_COMPLETE; |
|
241 |
} |
|
242 |
|
|
243 |
static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) |
|
244 |
{ |
|
245 |
NvmeNamespace *ns; |
|
246 |
uint32_t nsid = le32_to_cpu(cmd->nsid); |
|
247 |
|
|
248 |
if (nsid == 0 || nsid > n->num_namespaces) { |
|
249 |
return NVME_INVALID_NSID | NVME_DNR; |
|
250 |
} |
|
251 |
|
|
252 |
ns = &n->namespaces[nsid - 1]; |
|
253 |
switch (cmd->opcode) { |
|
254 |
case NVME_CMD_FLUSH: |
|
255 |
return NVME_SUCCESS; |
|
256 |
case NVME_CMD_WRITE: |
|
257 |
case NVME_CMD_READ: |
|
258 |
return nvme_rw(n, ns, cmd, req); |
|
259 |
default: |
|
260 |
return NVME_INVALID_OPCODE | NVME_DNR; |
|
261 |
} |
|
262 |
} |
|
263 |
|
|
264 |
static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n) |
|
265 |
{ |
|
266 |
n->sq[sq->sqid] = NULL; |
|
267 |
qemu_del_timer(sq->timer); |
|
268 |
qemu_free_timer(sq->timer); |
|
269 |
g_free(sq->io_req); |
|
270 |
if (sq->sqid) { |
|
271 |
g_free(sq); |
|
272 |
} |
|
273 |
} |
|
274 |
|
|
275 |
static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeCmd *cmd) |
|
276 |
{ |
|
277 |
NvmeDeleteQ *c = (NvmeDeleteQ *)cmd; |
|
278 |
NvmeRequest *req, *next; |
|
279 |
NvmeSQueue *sq; |
|
280 |
NvmeCQueue *cq; |
|
281 |
uint16_t qid = le16_to_cpu(c->qid); |
|
282 |
|
|
283 |
if (!qid || nvme_check_sqid(n, qid)) { |
|
284 |
return NVME_INVALID_QID | NVME_DNR; |
|
285 |
} |
|
286 |
|
|
287 |
sq = n->sq[qid]; |
|
288 |
while (!QTAILQ_EMPTY(&sq->out_req_list)) { |
|
289 |
req = QTAILQ_FIRST(&sq->out_req_list); |
|
290 |
assert(req->aiocb); |
|
291 |
bdrv_aio_cancel(req->aiocb); |
|
292 |
} |
|
293 |
if (!nvme_check_cqid(n, sq->cqid)) { |
|
294 |
cq = n->cq[sq->cqid]; |
|
295 |
QTAILQ_REMOVE(&cq->sq_list, sq, entry); |
|
296 |
|
|
297 |
nvme_post_cqes(cq); |
|
298 |
QTAILQ_FOREACH_SAFE(req, &cq->req_list, entry, next) { |
|
299 |
if (req->sq == sq) { |
|
300 |
QTAILQ_REMOVE(&cq->req_list, req, entry); |
|
301 |
QTAILQ_INSERT_TAIL(&sq->req_list, req, entry); |
|
302 |
} |
|
303 |
} |
|
304 |
} |
|
305 |
|
|
306 |
nvme_free_sq(sq, n); |
|
307 |
return NVME_SUCCESS; |
|
308 |
} |
|
309 |
|
|
310 |
static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n, uint64_t dma_addr, |
|
311 |
uint16_t sqid, uint16_t cqid, uint16_t size) |
|
312 |
{ |
|
313 |
int i; |
|
314 |
NvmeCQueue *cq; |
|
315 |
|
|
316 |
sq->ctrl = n; |
|
317 |
sq->dma_addr = dma_addr; |
|
318 |
sq->sqid = sqid; |
|
319 |
sq->size = size; |
|
320 |
sq->cqid = cqid; |
|
321 |
sq->head = sq->tail = 0; |
|
322 |
sq->io_req = g_malloc(sq->size * sizeof(*sq->io_req)); |
|
323 |
|
|
324 |
QTAILQ_INIT(&sq->req_list); |
|
325 |
QTAILQ_INIT(&sq->out_req_list); |
|
326 |
for (i = 0; i < sq->size; i++) { |
|
327 |
sq->io_req[i].sq = sq; |
|
328 |
QTAILQ_INSERT_TAIL(&(sq->req_list), &sq->io_req[i], entry); |
|
329 |
} |
|
330 |
sq->timer = qemu_new_timer_ns(vm_clock, nvme_process_sq, sq); |
|
331 |
|
|
332 |
assert(n->cq[cqid]); |
|
333 |
cq = n->cq[cqid]; |
|
334 |
QTAILQ_INSERT_TAIL(&(cq->sq_list), sq, entry); |
|
335 |
n->sq[sqid] = sq; |
|
336 |
} |
|
337 |
|
|
338 |
static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd) |
|
339 |
{ |
|
340 |
NvmeSQueue *sq; |
|
341 |
NvmeCreateSq *c = (NvmeCreateSq *)cmd; |
|
342 |
|
|
343 |
uint16_t cqid = le16_to_cpu(c->cqid); |
|
344 |
uint16_t sqid = le16_to_cpu(c->sqid); |
|
345 |
uint16_t qsize = le16_to_cpu(c->qsize); |
|
346 |
uint16_t qflags = le16_to_cpu(c->sq_flags); |
|
347 |
uint64_t prp1 = le64_to_cpu(c->prp1); |
|
348 |
|
|
349 |
if (!cqid || nvme_check_cqid(n, cqid)) { |
|
350 |
return NVME_INVALID_CQID | NVME_DNR; |
|
351 |
} |
|
352 |
if (!sqid || (sqid && !nvme_check_sqid(n, sqid))) { |
|
353 |
return NVME_INVALID_QID | NVME_DNR; |
|
354 |
} |
|
355 |
if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) { |
|
356 |
return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; |
|
357 |
} |
|
358 |
if (!prp1 || prp1 & (n->page_size - 1)) { |
|
359 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
360 |
} |
|
361 |
if (!(NVME_SQ_FLAGS_PC(qflags))) { |
|
362 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
363 |
} |
|
364 |
sq = g_malloc0(sizeof(*sq)); |
|
365 |
nvme_init_sq(sq, n, prp1, sqid, cqid, qsize + 1); |
|
366 |
return NVME_SUCCESS; |
|
367 |
} |
|
368 |
|
|
369 |
static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) |
|
370 |
{ |
|
371 |
n->cq[cq->cqid] = NULL; |
|
372 |
qemu_del_timer(cq->timer); |
|
373 |
qemu_free_timer(cq->timer); |
|
374 |
msix_vector_unuse(&n->parent_obj, cq->vector); |
|
375 |
if (cq->cqid) { |
|
376 |
g_free(cq); |
|
377 |
} |
|
378 |
} |
|
379 |
|
|
380 |
static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeCmd *cmd) |
|
381 |
{ |
|
382 |
NvmeDeleteQ *c = (NvmeDeleteQ *)cmd; |
|
383 |
NvmeCQueue *cq; |
|
384 |
uint16_t qid = le16_to_cpu(c->qid); |
|
385 |
|
|
386 |
if (!qid || nvme_check_cqid(n, qid)) { |
|
387 |
return NVME_INVALID_CQID | NVME_DNR; |
|
388 |
} |
|
389 |
|
|
390 |
cq = n->cq[qid]; |
|
391 |
if (!QTAILQ_EMPTY(&cq->sq_list)) { |
|
392 |
return NVME_INVALID_QUEUE_DEL; |
|
393 |
} |
|
394 |
nvme_free_cq(cq, n); |
|
395 |
return NVME_SUCCESS; |
|
396 |
} |
|
397 |
|
|
398 |
static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n, uint64_t dma_addr, |
|
399 |
uint16_t cqid, uint16_t vector, uint16_t size, uint16_t irq_enabled) |
|
400 |
{ |
|
401 |
cq->ctrl = n; |
|
402 |
cq->cqid = cqid; |
|
403 |
cq->size = size; |
|
404 |
cq->dma_addr = dma_addr; |
|
405 |
cq->phase = 1; |
|
406 |
cq->irq_enabled = irq_enabled; |
|
407 |
cq->vector = vector; |
|
408 |
cq->head = cq->tail = 0; |
|
409 |
QTAILQ_INIT(&cq->req_list); |
|
410 |
QTAILQ_INIT(&cq->sq_list); |
|
411 |
msix_vector_use(&n->parent_obj, cq->vector); |
|
412 |
n->cq[cqid] = cq; |
|
413 |
cq->timer = qemu_new_timer_ns(vm_clock, nvme_post_cqes, cq); |
|
414 |
} |
|
415 |
|
|
416 |
static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd) |
|
417 |
{ |
|
418 |
NvmeCQueue *cq; |
|
419 |
NvmeCreateCq *c = (NvmeCreateCq *)cmd; |
|
420 |
uint16_t cqid = le16_to_cpu(c->cqid); |
|
421 |
uint16_t vector = le16_to_cpu(c->irq_vector); |
|
422 |
uint16_t qsize = le16_to_cpu(c->qsize); |
|
423 |
uint16_t qflags = le16_to_cpu(c->cq_flags); |
|
424 |
uint64_t prp1 = le64_to_cpu(c->prp1); |
|
425 |
|
|
426 |
if (!cqid || (cqid && !nvme_check_cqid(n, cqid))) { |
|
427 |
return NVME_INVALID_CQID | NVME_DNR; |
|
428 |
} |
|
429 |
if (!qsize || qsize > NVME_CAP_MQES(n->bar.cap)) { |
|
430 |
return NVME_MAX_QSIZE_EXCEEDED | NVME_DNR; |
|
431 |
} |
|
432 |
if (!prp1) { |
|
433 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
434 |
} |
|
435 |
if (vector > n->num_queues) { |
|
436 |
return NVME_INVALID_IRQ_VECTOR | NVME_DNR; |
|
437 |
} |
|
438 |
if (!(NVME_CQ_FLAGS_PC(qflags))) { |
|
439 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
440 |
} |
|
441 |
|
|
442 |
cq = g_malloc0(sizeof(*cq)); |
|
443 |
nvme_init_cq(cq, n, prp1, cqid, vector, qsize + 1, |
|
444 |
NVME_CQ_FLAGS_IEN(qflags)); |
|
445 |
return NVME_SUCCESS; |
|
446 |
} |
|
447 |
|
|
448 |
static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd) |
|
449 |
{ |
|
450 |
NvmeNamespace *ns; |
|
451 |
NvmeIdentify *c = (NvmeIdentify *)cmd; |
|
452 |
uint32_t cns = le32_to_cpu(c->cns); |
|
453 |
uint32_t nsid = le32_to_cpu(c->nsid); |
|
454 |
uint64_t prp1 = le64_to_cpu(c->prp1); |
|
455 |
uint64_t prp2 = le64_to_cpu(c->prp2); |
|
456 |
|
|
457 |
if (cns) { |
|
458 |
return nvme_dma_read_prp(n, (uint8_t *)&n->id_ctrl, sizeof(n->id_ctrl), |
|
459 |
prp1, prp2); |
|
460 |
} |
|
461 |
if (nsid == 0 || nsid > n->num_namespaces) { |
|
462 |
return NVME_INVALID_NSID | NVME_DNR; |
|
463 |
} |
|
464 |
|
|
465 |
ns = &n->namespaces[nsid - 1]; |
|
466 |
return nvme_dma_read_prp(n, (uint8_t *)&ns->id_ns, sizeof(ns->id_ns), |
|
467 |
prp1, prp2); |
|
468 |
} |
|
469 |
|
|
470 |
static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) |
|
471 |
{ |
|
472 |
uint32_t dw10 = le32_to_cpu(cmd->cdw10); |
|
473 |
|
|
474 |
switch (dw10) { |
|
475 |
case NVME_NUMBER_OF_QUEUES: |
|
476 |
req->cqe.result = cpu_to_le32(n->num_queues); |
|
477 |
break; |
|
478 |
default: |
|
479 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
480 |
} |
|
481 |
return NVME_SUCCESS; |
|
482 |
} |
|
483 |
|
|
484 |
static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) |
|
485 |
{ |
|
486 |
uint32_t dw10 = le32_to_cpu(cmd->cdw10); |
|
487 |
|
|
488 |
switch (dw10) { |
|
489 |
case NVME_NUMBER_OF_QUEUES: |
|
490 |
req->cqe.result = cpu_to_le32(n->num_queues); |
|
491 |
break; |
|
492 |
default: |
|
493 |
return NVME_INVALID_FIELD | NVME_DNR; |
|
494 |
} |
|
495 |
return NVME_SUCCESS; |
|
496 |
} |
|
497 |
|
|
498 |
static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) |
|
499 |
{ |
|
500 |
switch (cmd->opcode) { |
|
501 |
case NVME_ADM_CMD_DELETE_SQ: |
|
502 |
return nvme_del_sq(n, cmd); |
|
503 |
case NVME_ADM_CMD_CREATE_SQ: |
|
504 |
return nvme_create_sq(n, cmd); |
|
505 |
case NVME_ADM_CMD_DELETE_CQ: |
|
506 |
return nvme_del_cq(n, cmd); |
|
507 |
case NVME_ADM_CMD_CREATE_CQ: |
|
508 |
return nvme_create_cq(n, cmd); |
|
509 |
case NVME_ADM_CMD_IDENTIFY: |
|
510 |
return nvme_identify(n, cmd); |
|
511 |
case NVME_ADM_CMD_SET_FEATURES: |
|
512 |
return nvme_set_feature(n, cmd, req); |
|
513 |
case NVME_ADM_CMD_GET_FEATURES: |
|
514 |
return nvme_get_feature(n, cmd, req); |
|
515 |
default: |
|
516 |
return NVME_INVALID_OPCODE | NVME_DNR; |
|
517 |
} |
|
518 |
} |
|
519 |
|
|
520 |
static void nvme_process_sq(void *opaque) |
|
521 |
{ |
|
522 |
NvmeSQueue *sq = opaque; |
|
523 |
NvmeCtrl *n = sq->ctrl; |
|
524 |
NvmeCQueue *cq = n->cq[sq->cqid]; |
|
525 |
|
|
526 |
uint16_t status; |
|
527 |
hwaddr addr; |
|
528 |
NvmeCmd cmd; |
|
529 |
NvmeRequest *req; |
|
530 |
|
|
531 |
while (!(nvme_sq_empty(sq) || QTAILQ_EMPTY(&sq->req_list))) { |
|
532 |
addr = sq->dma_addr + sq->head * n->sqe_size; |
|
533 |
pci_dma_read(&n->parent_obj, addr, (void *)&cmd, sizeof(cmd)); |
|
534 |
nvme_inc_sq_head(sq); |
|
535 |
|
|
536 |
req = QTAILQ_FIRST(&sq->req_list); |
|
537 |
QTAILQ_REMOVE(&sq->req_list, req, entry); |
|
538 |
QTAILQ_INSERT_TAIL(&sq->out_req_list, req, entry); |
|
539 |
memset(&req->cqe, 0, sizeof(req->cqe)); |
|
540 |
req->cqe.cid = cmd.cid; |
|
541 |
|
|
542 |
status = sq->sqid ? nvme_io_cmd(n, &cmd, req) : |
|
543 |
nvme_admin_cmd(n, &cmd, req); |
|
544 |
if (status != NVME_NO_COMPLETE) { |
|
545 |
req->status = status; |
|
546 |
nvme_enqueue_req_completion(cq, req); |
|
547 |
} |
|
548 |
} |
|
549 |
} |
|
550 |
|
|
551 |
static void nvme_clear_ctrl(NvmeCtrl *n) |
|
552 |
{ |
|
553 |
int i; |
|
554 |
|
|
555 |
for (i = 0; i < n->num_queues; i++) { |
|
556 |
if (n->sq[i] != NULL) { |
|
557 |
nvme_free_sq(n->sq[i], n); |
|
558 |
} |
|
559 |
} |
|
560 |
for (i = 0; i < n->num_queues; i++) { |
|
561 |
if (n->cq[i] != NULL) { |
|
562 |
nvme_free_cq(n->cq[i], n); |
|
563 |
} |
|
564 |
} |
|
565 |
|
|
566 |
bdrv_flush(n->conf.bs); |
|
567 |
n->bar.cc = 0; |
|
568 |
} |
|
569 |
|
|
570 |
static int nvme_start_ctrl(NvmeCtrl *n) |
|
571 |
{ |
|
572 |
uint32_t page_bits = NVME_CC_MPS(n->bar.cc) + 12; |
|
573 |
uint32_t page_size = 1 << page_bits; |
|
574 |
|
|
575 |
if (n->cq[0] || n->sq[0] || !n->bar.asq || !n->bar.acq || |
|
576 |
n->bar.asq & (page_size - 1) || n->bar.acq & (page_size - 1) || |
|
577 |
NVME_CC_MPS(n->bar.cc) < NVME_CAP_MPSMIN(n->bar.cap) || |
|
578 |
NVME_CC_MPS(n->bar.cc) > NVME_CAP_MPSMAX(n->bar.cap) || |
|
579 |
NVME_CC_IOCQES(n->bar.cc) < NVME_CTRL_CQES_MIN(n->id_ctrl.cqes) || |
|
580 |
NVME_CC_IOCQES(n->bar.cc) > NVME_CTRL_CQES_MAX(n->id_ctrl.cqes) || |
|
581 |
NVME_CC_IOSQES(n->bar.cc) < NVME_CTRL_SQES_MIN(n->id_ctrl.sqes) || |
|
582 |
NVME_CC_IOSQES(n->bar.cc) > NVME_CTRL_SQES_MAX(n->id_ctrl.sqes) || |
|
583 |
!NVME_AQA_ASQS(n->bar.aqa) || NVME_AQA_ASQS(n->bar.aqa) > 4095 || |
|
584 |
!NVME_AQA_ACQS(n->bar.aqa) || NVME_AQA_ACQS(n->bar.aqa) > 4095) { |
|
585 |
return -1; |
|
586 |
} |
|
587 |
|
|
588 |
n->page_bits = page_bits; |
|
589 |
n->page_size = page_size; |
|
590 |
n->max_prp_ents = n->page_size / sizeof(uint64_t); |
|
591 |
n->cqe_size = 1 << NVME_CC_IOCQES(n->bar.cc); |
|
592 |
n->sqe_size = 1 << NVME_CC_IOSQES(n->bar.cc); |
|
593 |
nvme_init_cq(&n->admin_cq, n, n->bar.acq, 0, 0, |
|
594 |
NVME_AQA_ACQS(n->bar.aqa) + 1, 1); |
|
595 |
nvme_init_sq(&n->admin_sq, n, n->bar.asq, 0, 0, |
|
596 |
NVME_AQA_ASQS(n->bar.aqa) + 1); |
|
597 |
|
|
598 |
return 0; |
|
599 |
} |
|
600 |
|
|
601 |
static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, |
|
602 |
unsigned size) |
|
603 |
{ |
|
604 |
switch (offset) { |
|
605 |
case 0xc: |
|
606 |
n->bar.intms |= data & 0xffffffff; |
|
607 |
n->bar.intmc = n->bar.intms; |
|
608 |
break; |
|
609 |
case 0x10: |
|
610 |
n->bar.intms &= ~(data & 0xffffffff); |
|
611 |
n->bar.intmc = n->bar.intms; |
|
612 |
break; |
|
613 |
case 0x14: |
|
614 |
if (NVME_CC_EN(data) && !NVME_CC_EN(n->bar.cc)) { |
|
615 |
n->bar.cc = data; |
|
616 |
if (nvme_start_ctrl(n)) { |
|
617 |
n->bar.csts = NVME_CSTS_FAILED; |
|
618 |
} else { |
|
619 |
n->bar.csts = NVME_CSTS_READY; |
|
620 |
} |
|
621 |
} else if (!NVME_CC_EN(data) && NVME_CC_EN(n->bar.cc)) { |
|
622 |
nvme_clear_ctrl(n); |
|
623 |
n->bar.csts &= ~NVME_CSTS_READY; |
|
624 |
} |
|
625 |
if (NVME_CC_SHN(data) && !(NVME_CC_SHN(n->bar.cc))) { |
|
626 |
nvme_clear_ctrl(n); |
|
627 |
n->bar.cc = data; |
|
628 |
n->bar.csts |= NVME_CSTS_SHST_COMPLETE; |
|
629 |
} else if (!NVME_CC_SHN(data) && NVME_CC_SHN(n->bar.cc)) { |
|
630 |
n->bar.csts &= ~NVME_CSTS_SHST_COMPLETE; |
|
631 |
n->bar.cc = data; |
|
632 |
} |
|
633 |
break; |
|
634 |
case 0x24: |
|
635 |
n->bar.aqa = data & 0xffffffff; |
|
636 |
break; |
|
637 |
case 0x28: |
|
638 |
n->bar.asq = data; |
|
639 |
break; |
|
640 |
case 0x2c: |
|
641 |
n->bar.asq |= data << 32; |
|
642 |
break; |
|
643 |
case 0x30: |
|
644 |
n->bar.acq = data; |
|
645 |
break; |
|
646 |
case 0x34: |
|
647 |
n->bar.acq |= data << 32; |
|
648 |
break; |
|
649 |
default: |
|
650 |
break; |
|
651 |
} |
|
652 |
} |
|
653 |
|
|
654 |
static uint64_t nvme_mmio_read(void *opaque, hwaddr addr, unsigned size) |
|
655 |
{ |
|
656 |
NvmeCtrl *n = (NvmeCtrl *)opaque; |
|
657 |
uint8_t *ptr = (uint8_t *)&n->bar; |
|
658 |
uint64_t val = 0; |
|
659 |
|
|
660 |
if (addr < sizeof(n->bar)) { |
|
661 |
memcpy(&val, ptr + addr, size); |
|
662 |
} |
|
663 |
return val; |
|
664 |
} |
|
665 |
|
|
666 |
static void nvme_process_db(NvmeCtrl *n, hwaddr addr, int val) |
|
667 |
{ |
|
668 |
uint32_t qid; |
|
669 |
|
|
670 |
if (addr & ((1 << 2) - 1)) { |
|
671 |
return; |
|
672 |
} |
|
673 |
|
|
674 |
if (((addr - 0x1000) >> 2) & 1) { |
|
675 |
uint16_t new_head = val & 0xffff; |
|
676 |
int start_sqs; |
|
677 |
NvmeCQueue *cq; |
|
678 |
|
|
679 |
qid = (addr - (0x1000 + (1 << 2))) >> 3; |
|
680 |
if (nvme_check_cqid(n, qid)) { |
|
681 |
return; |
|
682 |
} |
|
683 |
|
|
684 |
cq = n->cq[qid]; |
|
685 |
if (new_head >= cq->size) { |
|
686 |
return; |
|
687 |
} |
|
688 |
|
|
689 |
start_sqs = nvme_cq_full(cq) ? 1 : 0; |
|
690 |
cq->head = new_head; |
|
691 |
if (start_sqs) { |
|
692 |
NvmeSQueue *sq; |
|
693 |
QTAILQ_FOREACH(sq, &cq->sq_list, entry) { |
|
694 |
qemu_mod_timer(sq->timer, qemu_get_clock_ns(vm_clock) + 500); |
|
695 |
} |
|
696 |
qemu_mod_timer(cq->timer, qemu_get_clock_ns(vm_clock) + 500); |
|
697 |
} |
|
698 |
|
|
699 |
if (cq->tail != cq->head) { |
|
700 |
nvme_isr_notify(n, cq); |
|
701 |
} |
|
702 |
} else { |
|
703 |
uint16_t new_tail = val & 0xffff; |
|
704 |
NvmeSQueue *sq; |
|
705 |
|
|
706 |
qid = (addr - 0x1000) >> 3; |
|
707 |
if (nvme_check_sqid(n, qid)) { |
|
708 |
return; |
|
709 |
} |
|
710 |
|
|
711 |
sq = n->sq[qid]; |
|
712 |
if (new_tail >= sq->size) { |
|
713 |
return; |
|
714 |
} |
|
715 |
|
|
716 |
sq->tail = new_tail; |
|
717 |
qemu_mod_timer(sq->timer, qemu_get_clock_ns(vm_clock) + 500); |
|
718 |
} |
|
719 |
} |
|
720 |
|
|
721 |
static void nvme_mmio_write(void *opaque, hwaddr addr, uint64_t data, |
|
722 |
unsigned size) |
|
723 |
{ |
|
724 |
NvmeCtrl *n = (NvmeCtrl *)opaque; |
|
725 |
if (addr < sizeof(n->bar)) { |
|
726 |
nvme_write_bar(n, addr, data, size); |
|
727 |
} else if (addr >= 0x1000) { |
|
728 |
nvme_process_db(n, addr, data); |
|
729 |
} |
|
730 |
} |
|
731 |
|
|
732 |
static const MemoryRegionOps nvme_mmio_ops = { |
|
733 |
.read = nvme_mmio_read, |
|
734 |
.write = nvme_mmio_write, |
|
735 |
.endianness = DEVICE_LITTLE_ENDIAN, |
|
736 |
.impl = { |
|
737 |
.min_access_size = 2, |
|
738 |
.max_access_size = 8, |
|
739 |
}, |
|
740 |
}; |
|
741 |
|
|
742 |
static int nvme_init(PCIDevice *pci_dev) |
|
743 |
{ |
|
744 |
NvmeCtrl *n = NVME(pci_dev); |
|
745 |
NvmeIdCtrl *id = &n->id_ctrl; |
|
746 |
|
|
747 |
int i; |
|
748 |
int64_t bs_size; |
|
749 |
uint8_t *pci_conf; |
|
750 |
|
|
751 |
if (!(n->conf.bs)) { |
|
752 |
return -1; |
|
753 |
} |
|
754 |
|
|
755 |
bs_size = bdrv_getlength(n->conf.bs); |
|
756 |
if (bs_size <= 0) { |
|
757 |
return -1; |
|
758 |
} |
|
759 |
|
|
760 |
blkconf_serial(&n->conf, &n->serial); |
|
761 |
if (!n->serial) { |
|
762 |
return -1; |
|
763 |
} |
|
764 |
|
|
765 |
pci_conf = pci_dev->config; |
|
766 |
pci_conf[PCI_INTERRUPT_PIN] = 1; |
|
767 |
pci_config_set_prog_interface(pci_dev->config, 0x2); |
|
768 |
pci_config_set_class(pci_dev->config, PCI_CLASS_STORAGE_EXPRESS); |
|
769 |
pcie_endpoint_cap_init(&n->parent_obj, 0x80); |
|
770 |
|
|
771 |
n->num_namespaces = 1; |
|
772 |
n->num_queues = 64; |
|
773 |
n->reg_size = 1 << qemu_fls(0x1004 + 2 * (n->num_queues + 1) * 4); |
|
774 |
n->ns_size = bs_size / (uint64_t)n->num_namespaces; |
|
775 |
|
|
776 |
n->namespaces = g_malloc0(sizeof(*n->namespaces)*n->num_namespaces); |
|
777 |
n->sq = g_malloc0(sizeof(*n->sq)*n->num_queues); |
|
778 |
n->cq = g_malloc0(sizeof(*n->cq)*n->num_queues); |
|
779 |
|
|
780 |
memory_region_init_io(&n->iomem, &nvme_mmio_ops, n, "nvme", n->reg_size); |
|
781 |
pci_register_bar(&n->parent_obj, 0, |
|
782 |
PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, |
|
783 |
&n->iomem); |
|
784 |
msix_init_exclusive_bar(&n->parent_obj, n->num_queues, 4); |
|
785 |
|
|
786 |
id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID)); |
|
787 |
id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID)); |
|
788 |
strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' '); |
|
789 |
strpadcpy((char *)id->fr, sizeof(id->fr), "1.0", ' '); |
|
790 |
strpadcpy((char *)id->sn, sizeof(id->sn), n->serial, ' '); |
|
791 |
id->rab = 6; |
|
792 |
id->ieee[0] = 0x00; |
|
793 |
id->ieee[1] = 0x02; |
|
794 |
id->ieee[2] = 0xb3; |
|
795 |
id->oacs = cpu_to_le16(0); |
|
796 |
id->frmw = 7 << 1; |
|
797 |
id->lpa = 1 << 0; |
|
798 |
id->sqes = (0x6 << 4) | 0x6; |
|
799 |
id->cqes = (0x4 << 4) | 0x4; |
|
800 |
id->nn = cpu_to_le32(n->num_namespaces); |
|
801 |
id->psd[0].mp = cpu_to_le16(0x9c4); |
|
802 |
id->psd[0].enlat = cpu_to_le32(0x10); |
|
803 |
id->psd[0].exlat = cpu_to_le32(0x4); |
|
804 |
|
|
805 |
n->bar.cap = 0; |
|
806 |
NVME_CAP_SET_MQES(n->bar.cap, 0x7ff); |
|
807 |
NVME_CAP_SET_CQR(n->bar.cap, 1); |
|
808 |
NVME_CAP_SET_AMS(n->bar.cap, 1); |
|
809 |
NVME_CAP_SET_TO(n->bar.cap, 0xf); |
|
810 |
NVME_CAP_SET_CSS(n->bar.cap, 1); |
|
811 |
|
|
812 |
n->bar.vs = 0x00010001; |
|
813 |
n->bar.intmc = n->bar.intms = 0; |
|
814 |
|
|
815 |
for (i = 0; i < n->num_namespaces; i++) { |
|
816 |
NvmeNamespace *ns = &n->namespaces[i]; |
|
817 |
NvmeIdNs *id_ns = &ns->id_ns; |
|
818 |
id_ns->nsfeat = 0; |
|
819 |
id_ns->nlbaf = 0; |
|
820 |
id_ns->flbas = 0; |
|
821 |
id_ns->mc = 0; |
|
822 |
id_ns->dpc = 0; |
|
823 |
id_ns->dps = 0; |
|
824 |
id_ns->lbaf[0].ds = BDRV_SECTOR_BITS; |
|
825 |
id_ns->ncap = id_ns->nuse = id_ns->nsze = |
|
826 |
cpu_to_le64(n->ns_size >> |
|
827 |
id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas)].ds); |
|
828 |
} |
|
829 |
return 0; |
|
830 |
} |
|
831 |
|
|
832 |
static void nvme_exit(PCIDevice *pci_dev) |
|
833 |
{ |
|
834 |
NvmeCtrl *n = NVME(pci_dev); |
|
835 |
|
|
836 |
nvme_clear_ctrl(n); |
|
837 |
g_free(n->namespaces); |
|
838 |
g_free(n->cq); |
|
839 |
g_free(n->sq); |
|
840 |
msix_uninit_exclusive_bar(pci_dev); |
|
841 |
memory_region_destroy(&n->iomem); |
|
842 |
} |
|
843 |
|
|
844 |
static Property nvme_props[] = { |
|
845 |
DEFINE_BLOCK_PROPERTIES(NvmeCtrl, conf), |
|
846 |
DEFINE_PROP_STRING("serial", NvmeCtrl, serial), |
|
847 |
DEFINE_PROP_END_OF_LIST(), |
|
848 |
}; |
|
849 |
|
|
850 |
static const VMStateDescription nvme_vmstate = { |
|
851 |
.name = "nvme", |
|
852 |
.unmigratable = 1, |
|
853 |
}; |
|
854 |
|
|
855 |
static void nvme_class_init(ObjectClass *oc, void *data) |
|
856 |
{ |
|
857 |
DeviceClass *dc = DEVICE_CLASS(oc); |
|
858 |
PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); |
|
859 |
|
|
860 |
pc->init = nvme_init; |
|
861 |
pc->exit = nvme_exit; |
|
862 |
pc->class_id = PCI_CLASS_STORAGE_EXPRESS; |
|
863 |
pc->vendor_id = PCI_VENDOR_ID_INTEL; |
|
864 |
pc->device_id = 0x5845; |
|
865 |
pc->revision = 1; |
|
866 |
pc->is_express = 1; |
|
867 |
|
|
868 |
dc->desc = "Non-Volatile Memory Express"; |
|
869 |
dc->props = nvme_props; |
|
870 |
dc->vmsd = &nvme_vmstate; |
|
871 |
} |
|
872 |
|
|
873 |
static const TypeInfo nvme_info = { |
|
874 |
.name = "nvme", |
|
875 |
.parent = TYPE_PCI_DEVICE, |
|
876 |
.instance_size = sizeof(NvmeCtrl), |
|
877 |
.class_init = nvme_class_init, |
|
878 |
}; |
|
879 |
|
|
880 |
static void nvme_register_types(void) |
|
881 |
{ |
|
882 |
type_register_static(&nvme_info); |
|
883 |
} |
|
884 |
|
|
885 |
type_init(nvme_register_types) |
b/hw/block/nvme.h | ||
---|---|---|
1 |
#ifndef HW_NVME_H |
|
2 |
#define HW_NVME_H |
|
3 |
|
|
4 |
typedef struct NvmeBar { |
|
5 |
uint64_t cap; |
|
6 |
uint32_t vs; |
|
7 |
uint32_t intms; |
|
8 |
uint32_t intmc; |
|
9 |
uint32_t cc; |
|
10 |
uint32_t rsvd1; |
|
11 |
uint32_t csts; |
|
12 |
uint32_t nssrc; |
|
13 |
uint32_t aqa; |
|
14 |
uint64_t asq; |
|
15 |
uint64_t acq; |
|
16 |
} NvmeBar; |
|
17 |
|
|
18 |
enum NvmeCapShift { |
|
19 |
CAP_MQES_SHIFT = 0, |
|
20 |
CAP_CQR_SHIFT = 16, |
|
21 |
CAP_AMS_SHIFT = 17, |
|
22 |
CAP_TO_SHIFT = 24, |
|
23 |
CAP_DSTRD_SHIFT = 32, |
|
24 |
CAP_NSSRS_SHIFT = 33, |
|
25 |
CAP_CSS_SHIFT = 37, |
|
26 |
CAP_MPSMIN_SHIFT = 48, |
|
27 |
CAP_MPSMAX_SHIFT = 52, |
|
28 |
}; |
|
29 |
|
|
30 |
enum NvmeCapMask { |
|
31 |
CAP_MQES_MASK = 0xffff, |
|
32 |
CAP_CQR_MASK = 0x1, |
|
33 |
CAP_AMS_MASK = 0x3, |
|
34 |
CAP_TO_MASK = 0xff, |
|
35 |
CAP_DSTRD_MASK = 0xf, |
|
36 |
CAP_NSSRS_MASK = 0x1, |
|
37 |
CAP_CSS_MASK = 0xff, |
|
38 |
CAP_MPSMIN_MASK = 0xf, |
|
39 |
CAP_MPSMAX_MASK = 0xf, |
|
40 |
}; |
|
41 |
|
|
42 |
#define NVME_CAP_MQES(cap) (((cap) >> CAP_MQES_SHIFT) & CAP_MQES_MASK) |
|
43 |
#define NVME_CAP_CQR(cap) (((cap) >> CAP_CQR_SHIFT) & CAP_CQR_MASK) |
|
44 |
#define NVME_CAP_AMS(cap) (((cap) >> CAP_AMS_SHIFT) & CAP_AMS_MASK) |
|
45 |
#define NVME_CAP_TO(cap) (((cap) >> CAP_TO_SHIFT) & CAP_TO_MASK) |
|
46 |
#define NVME_CAP_DSTRD(cap) (((cap) >> CAP_DSTRD_SHIFT) & CAP_DSTRD_MASK) |
|
47 |
#define NVME_CAP_NSSRS(cap) (((cap) >> CAP_NSSRS_SHIFT) & CAP_NSSRS_MASK) |
|
48 |
#define NVME_CAP_CSS(cap) (((cap) >> CAP_CSS_SHIFT) & CAP_CSS_MASK) |
|
49 |
#define NVME_CAP_MPSMIN(cap)(((cap) >> CAP_MPSMIN_SHIFT) & CAP_MPSMIN_MASK) |
|
50 |
#define NVME_CAP_MPSMAX(cap)(((cap) >> CAP_MPSMAX_SHIFT) & CAP_MPSMAX_MASK) |
|
51 |
|
|
52 |
#define NVME_CAP_SET_MQES(cap, val) (cap |= (uint64_t)(val & CAP_MQES_MASK) \ |
|
53 |
<< CAP_MQES_SHIFT) |
|
54 |
#define NVME_CAP_SET_CQR(cap, val) (cap |= (uint64_t)(val & CAP_CQR_MASK) \ |
|
55 |
<< CAP_CQR_SHIFT) |
|
56 |
#define NVME_CAP_SET_AMS(cap, val) (cap |= (uint64_t)(val & CAP_AMS_MASK) \ |
|
57 |
<< CAP_AMS_SHIFT) |
|
58 |
#define NVME_CAP_SET_TO(cap, val) (cap |= (uint64_t)(val & CAP_TO_MASK) \ |
|
59 |
<< CAP_TO_SHIFT) |
|
60 |
#define NVME_CAP_SET_DSTRD(cap, val) (cap |= (uint64_t)(val & CAP_DSTRD_MASK) \ |
|
61 |
<< CAP_DSTRD_SHIFT) |
|
62 |
#define NVME_CAP_SET_NSSRS(cap, val) (cap |= (uint64_t)(val & CAP_NSSRS_MASK) \ |
|
63 |
<< CAP_NSSRS_SHIFT) |
|
64 |
#define NVME_CAP_SET_CSS(cap, val) (cap |= (uint64_t)(val & CAP_CSS_MASK) \ |
|
65 |
<< CAP_CSS_SHIFT) |
|
66 |
#define NVME_CAP_SET_MPSMIN(cap, val) (cap |= (uint64_t)(val & CAP_MPSMIN_MASK)\ |
|
67 |
<< CAP_MPSMIN_SHIFT) |
|
68 |
#define NVME_CAP_SET_MPSMAX(cap, val) (cap |= (uint64_t)(val & CAP_MPSMAX_MASK)\ |
|
69 |
<< CAP_MPSMAX_SHIFT) |
|
70 |
|
|
71 |
enum NvmeCcShift { |
|
72 |
CC_EN_SHIFT = 0, |
|
73 |
CC_CSS_SHIFT = 4, |
|
74 |
CC_MPS_SHIFT = 7, |
|
75 |
CC_AMS_SHIFT = 11, |
|
76 |
CC_SHN_SHIFT = 14, |
|
77 |
CC_IOSQES_SHIFT = 16, |
|
78 |
CC_IOCQES_SHIFT = 20, |
|
79 |
}; |
|
80 |
|
|
81 |
enum NvmeCcMask { |
|
82 |
CC_EN_MASK = 0x1, |
|
83 |
CC_CSS_MASK = 0x7, |
|
84 |
CC_MPS_MASK = 0xf, |
|
85 |
CC_AMS_MASK = 0x7, |
|
86 |
CC_SHN_MASK = 0x3, |
|
87 |
CC_IOSQES_MASK = 0xf, |
|
88 |
CC_IOCQES_MASK = 0xf, |
|
89 |
}; |
|
90 |
|
|
91 |
#define NVME_CC_EN(cc) ((cc >> CC_EN_SHIFT) & CC_EN_MASK) |
|
92 |
#define NVME_CC_CSS(cc) ((cc >> CC_CSS_SHIFT) & CC_CSS_MASK) |
|
93 |
#define NVME_CC_MPS(cc) ((cc >> CC_MPS_SHIFT) & CC_MPS_MASK) |
|
94 |
#define NVME_CC_AMS(cc) ((cc >> CC_AMS_SHIFT) & CC_AMS_MASK) |
|
95 |
#define NVME_CC_SHN(cc) ((cc >> CC_SHN_SHIFT) & CC_SHN_MASK) |
|
96 |
#define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK) |
|
97 |
#define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK) |
|
98 |
|
|
99 |
enum NvmeCstsShift { |
|
100 |
CSTS_RDY_SHIFT = 0, |
|
101 |
CSTS_CFS_SHIFT = 1, |
|
102 |
CSTS_SHST_SHIFT = 2, |
|
103 |
CSTS_NSSRO_SHIFT = 4, |
|
104 |
}; |
|
105 |
|
|
106 |
enum NvmeCstsMask { |
|
107 |
CSTS_RDY_MASK = 0x1, |
|
108 |
CSTS_CFS_MASK = 0x1, |
|
109 |
CSTS_SHST_MASK = 0x3, |
|
110 |
CSTS_NSSRO_MASK = 0x1, |
|
111 |
}; |
|
112 |
|
|
113 |
enum NvmeCsts { |
|
114 |
NVME_CSTS_READY = 1 << CSTS_RDY_SHIFT, |
|
115 |
NVME_CSTS_FAILED = 1 << CSTS_CFS_SHIFT, |
|
116 |
NVME_CSTS_SHST_NORMAL = 0 << CSTS_SHST_SHIFT, |
|
117 |
NVME_CSTS_SHST_PROGRESS = 1 << CSTS_SHST_SHIFT, |
|
118 |
NVME_CSTS_SHST_COMPLETE = 2 << CSTS_SHST_SHIFT, |
|
119 |
NVME_CSTS_NSSRO = 1 << CSTS_NSSRO_SHIFT, |
|
120 |
}; |
|
121 |
|
|
122 |
#define NVME_CSTS_RDY(csts) ((csts >> CSTS_RDY_SHIFT) & CSTS_RDY_MASK) |
|
123 |
#define NVME_CSTS_CFS(csts) ((csts >> CSTS_CFS_SHIFT) & CSTS_CFS_MASK) |
|
124 |
#define NVME_CSTS_SHST(csts) ((csts >> CSTS_SHST_SHIFT) & CSTS_SHST_MASK) |
|
125 |
#define NVME_CSTS_NSSRO(csts) ((csts >> CSTS_NSSRO_SHIFT) & CSTS_NSSRO_MASK) |
|
126 |
|
|
127 |
enum NvmeAqaShift { |
|
128 |
AQA_ASQS_SHIFT = 0, |
|
129 |
AQA_ACQS_SHIFT = 16, |
|
130 |
}; |
|
131 |
|
|
132 |
enum NvmeAqaMask { |
|
133 |
AQA_ASQS_MASK = 0xfff, |
|
134 |
AQA_ACQS_MASK = 0xfff, |
|
135 |
}; |
|
136 |
|
|
137 |
#define NVME_AQA_ASQS(aqa) ((aqa >> AQA_ASQS_SHIFT) & AQA_ASQS_MASK) |
|
138 |
#define NVME_AQA_ACQS(aqa) ((aqa >> AQA_ACQS_SHIFT) & AQA_ACQS_MASK) |
|
139 |
|
|
140 |
typedef struct NvmeCmd { |
|
141 |
uint8_t opcode; |
|
142 |
uint8_t fuse; |
|
143 |
uint16_t cid; |
|
144 |
uint32_t nsid; |
|
145 |
uint64_t res1; |
|
146 |
uint64_t mptr; |
|
147 |
uint64_t prp1; |
|
148 |
uint64_t prp2; |
|
149 |
uint32_t cdw10; |
|
150 |
uint32_t cdw11; |
|
151 |
uint32_t cdw12; |
|
152 |
uint32_t cdw13; |
|
153 |
uint32_t cdw14; |
|
154 |
uint32_t cdw15; |
|
155 |
} NvmeCmd; |
|
156 |
|
|
157 |
enum NvmeAdminCommands { |
|
158 |
NVME_ADM_CMD_DELETE_SQ = 0x00, |
|
159 |
NVME_ADM_CMD_CREATE_SQ = 0x01, |
|
160 |
NVME_ADM_CMD_GET_LOG_PAGE = 0x02, |
|
161 |
NVME_ADM_CMD_DELETE_CQ = 0x04, |
|
162 |
NVME_ADM_CMD_CREATE_CQ = 0x05, |
|
163 |
NVME_ADM_CMD_IDENTIFY = 0x06, |
|
164 |
NVME_ADM_CMD_ABORT = 0x08, |
|
165 |
NVME_ADM_CMD_SET_FEATURES = 0x09, |
|
166 |
NVME_ADM_CMD_GET_FEATURES = 0x0a, |
|
167 |
NVME_ADM_CMD_ASYNC_EV_REQ = 0x0c, |
|
168 |
NVME_ADM_CMD_ACTIVATE_FW = 0x10, |
|
169 |
NVME_ADM_CMD_DOWNLOAD_FW = 0x11, |
|
170 |
NVME_ADM_CMD_FORMAT_NVM = 0x80, |
|
171 |
NVME_ADM_CMD_SECURITY_SEND = 0x81, |
|
172 |
NVME_ADM_CMD_SECURITY_RECV = 0x82, |
|
173 |
}; |
|
174 |
|
|
175 |
enum NvmeIoCommands { |
|
176 |
NVME_CMD_FLUSH = 0x00, |
|
177 |
NVME_CMD_WRITE = 0x01, |
|
178 |
NVME_CMD_READ = 0x02, |
|
179 |
NVME_CMD_WRITE_UNCOR = 0x04, |
|
180 |
NVME_CMD_COMPARE = 0x05, |
|
181 |
NVME_CMD_DSM = 0x09, |
|
182 |
}; |
|
183 |
|
|
184 |
typedef struct NvmeDeleteQ { |
|
185 |
uint8_t opcode; |
|
186 |
uint8_t flags; |
|
187 |
uint16_t cid; |
|
188 |
uint32_t rsvd1[9]; |
|
189 |
uint16_t qid; |
|
190 |
uint16_t rsvd10; |
|
191 |
uint32_t rsvd11[5]; |
|
192 |
} NvmeDeleteQ; |
|
193 |
|
|
194 |
typedef struct NvmeCreateCq { |
|
195 |
uint8_t opcode; |
|
196 |
uint8_t flags; |
|
197 |
uint16_t cid; |
|
198 |
uint32_t rsvd1[5]; |
|
199 |
uint64_t prp1; |
|
200 |
uint64_t rsvd8; |
|
201 |
uint16_t cqid; |
|
202 |
uint16_t qsize; |
|
203 |
uint16_t cq_flags; |
|
204 |
uint16_t irq_vector; |
|
205 |
uint32_t rsvd12[4]; |
|
206 |
} NvmeCreateCq; |
|
207 |
|
|
208 |
#define NVME_CQ_FLAGS_PC(cq_flags) (cq_flags & 0x1) |
|
209 |
#define NVME_CQ_FLAGS_IEN(cq_flags) ((cq_flags >> 1) & 0x1) |
|
210 |
|
|
211 |
typedef struct NvmeCreateSq { |
|
212 |
uint8_t opcode; |
|
213 |
uint8_t flags; |
|
214 |
uint16_t cid; |
|
215 |
uint32_t rsvd1[5]; |
|
216 |
uint64_t prp1; |
|
217 |
uint64_t rsvd8; |
|
218 |
uint16_t sqid; |
|
219 |
uint16_t qsize; |
|
220 |
uint16_t sq_flags; |
|
221 |
uint16_t cqid; |
|
222 |
uint32_t rsvd12[4]; |
|
223 |
} NvmeCreateSq; |
|
224 |
|
|
225 |
#define NVME_SQ_FLAGS_PC(sq_flags) (sq_flags & 0x1) |
|
226 |
#define NVME_SQ_FLAGS_QPRIO(sq_flags) ((sq_flags >> 1) & 0x3) |
|
227 |
|
|
228 |
enum NvmeQueueFlags { |
|
229 |
NVME_Q_PC = 1, |
|
230 |
NVME_Q_PRIO_URGENT = 0, |
|
231 |
NVME_Q_PRIO_HIGH = 1, |
|
232 |
NVME_Q_PRIO_NORMAL = 2, |
|
233 |
NVME_Q_PRIO_LOW = 3, |
|
234 |
}; |
|
235 |
|
|
236 |
typedef struct NvmeIdentify { |
|
237 |
uint8_t opcode; |
|
238 |
uint8_t flags; |
|
239 |
uint16_t cid; |
|
240 |
uint32_t nsid; |
|
241 |
uint64_t rsvd2[2]; |
|
242 |
uint64_t prp1; |
|
243 |
uint64_t prp2; |
|
244 |
uint32_t cns; |
|
245 |
uint32_t rsvd11[5]; |
|
246 |
} NvmeIdentify; |
|
247 |
|
|
248 |
typedef struct NvmeRwCmd { |
|
249 |
uint8_t opcode; |
|
250 |
uint8_t flags; |
|
251 |
uint16_t cid; |
|
252 |
uint32_t nsid; |
|
253 |
uint64_t rsvd2; |
|
254 |
uint64_t mptr; |
|
255 |
uint64_t prp1; |
|
256 |
uint64_t prp2; |
|
257 |
uint64_t slba; |
|
258 |
uint16_t nlb; |
|
259 |
uint16_t control; |
|
260 |
uint32_t dsmgmt; |
|
261 |
uint32_t reftag; |
|
262 |
uint16_t apptag; |
|
263 |
uint16_t appmask; |
|
264 |
} NvmeRwCmd; |
|
265 |
|
|
266 |
enum { |
|
267 |
NVME_RW_LR = 1 << 15, |
|
268 |
NVME_RW_FUA = 1 << 14, |
|
269 |
NVME_RW_DSM_FREQ_UNSPEC = 0, |
|
270 |
NVME_RW_DSM_FREQ_TYPICAL = 1, |
|
271 |
NVME_RW_DSM_FREQ_RARE = 2, |
|
272 |
NVME_RW_DSM_FREQ_READS = 3, |
|
273 |
NVME_RW_DSM_FREQ_WRITES = 4, |
|
274 |
NVME_RW_DSM_FREQ_RW = 5, |
|
275 |
NVME_RW_DSM_FREQ_ONCE = 6, |
|
276 |
NVME_RW_DSM_FREQ_PREFETCH = 7, |
|
277 |
NVME_RW_DSM_FREQ_TEMP = 8, |
|
278 |
NVME_RW_DSM_LATENCY_NONE = 0 << 4, |
|
279 |
NVME_RW_DSM_LATENCY_IDLE = 1 << 4, |
|
280 |
NVME_RW_DSM_LATENCY_NORM = 2 << 4, |
|
281 |
NVME_RW_DSM_LATENCY_LOW = 3 << 4, |
|
282 |
NVME_RW_DSM_SEQ_REQ = 1 << 6, |
|
283 |
NVME_RW_DSM_COMPRESSED = 1 << 7, |
|
284 |
NVME_RW_PRINFO_PRACT = 1 << 13, |
|
285 |
NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12, |
|
286 |
NVME_RW_PRINFO_PRCHK_APP = 1 << 11, |
|
287 |
NVME_RW_PRINFO_PRCHK_REF = 1 << 10, |
|
288 |
}; |
|
289 |
|
|
290 |
typedef struct NvmeDsmCmd { |
|
291 |
uint8_t opcode; |
|
292 |
uint8_t flags; |
|
293 |
uint16_t cid; |
|
294 |
uint32_t nsid; |
|
295 |
uint64_t rsvd2[2]; |
|
296 |
uint64_t prp1; |
|
297 |
uint64_t prp2; |
|
298 |
uint32_t nr; |
|
299 |
uint32_t attributes; |
|
300 |
uint32_t rsvd12[4]; |
|
301 |
} NvmeDsmCmd; |
|
302 |
|
|
303 |
enum { |
|
304 |
NVME_DSMGMT_IDR = 1 << 0, |
|
305 |
NVME_DSMGMT_IDW = 1 << 1, |
|
306 |
NVME_DSMGMT_AD = 1 << 2, |
|
307 |
}; |
|
308 |
|
|
309 |
typedef struct NvmeDsmRange { |
|
310 |
uint32_t cattr; |
|
311 |
uint32_t nlb; |
|
312 |
uint64_t slba; |
|
313 |
} NvmeDsmRange; |
|
314 |
|
|
315 |
enum NvmeAsyncEventRequest { |
|
316 |
NVME_AER_TYPE_ERROR = 0, |
|
317 |
NVME_AER_TYPE_SMART = 1, |
|
318 |
NVME_AER_TYPE_IO_SPECIFIC = 6, |
|
319 |
NVME_AER_TYPE_VENDOR_SPECIFIC = 7, |
|
320 |
NVME_AER_INFO_ERR_INVALID_SQ = 0, |
|
321 |
NVME_AER_INFO_ERR_INVALID_DB = 1, |
|
322 |
NVME_AER_INFO_ERR_DIAG_FAIL = 2, |
|
323 |
NVME_AER_INFO_ERR_PERS_INTERNAL_ERR = 3, |
|
324 |
NVME_AER_INFO_ERR_TRANS_INTERNAL_ERR = 4, |
|
325 |
NVME_AER_INFO_ERR_FW_IMG_LOAD_ERR = 5, |
|
326 |
NVME_AER_INFO_SMART_RELIABILITY = 0, |
|
327 |
NVME_AER_INFO_SMART_TEMP_THRESH = 1, |
|
328 |
NVME_AER_INFO_SMART_SPARE_THRESH = 2, |
|
329 |
}; |
|
330 |
|
|
331 |
typedef struct NvmeAerResult { |
|
332 |
uint8_t event_type; |
|
333 |
uint8_t event_info; |
|
334 |
uint8_t log_page; |
|
335 |
uint8_t resv; |
|
336 |
} NvmeAerResult; |
|
337 |
|
|
338 |
typedef struct NvmeCqe { |
|
339 |
uint32_t result; |
|
340 |
uint32_t rsvd; |
|
341 |
uint16_t sq_head; |
|
342 |
uint16_t sq_id; |
|
343 |
uint16_t cid; |
|
344 |
uint16_t status; |
|
345 |
} NvmeCqe; |
|
346 |
|
|
347 |
enum NvmeStatusCodes { |
|
348 |
NVME_SUCCESS = 0x0000, |
|
349 |
NVME_INVALID_OPCODE = 0x0001, |
|
350 |
NVME_INVALID_FIELD = 0x0002, |
|
351 |
NVME_CID_CONFLICT = 0x0003, |
|
352 |
NVME_DATA_TRAS_ERROR = 0x0004, |
|
353 |
NVME_POWER_LOSS_ABORT = 0x0005, |
|
354 |
NVME_INTERNAL_DEV_ERROR = 0x0006, |
|
355 |
NVME_CMD_ABORT_REQ = 0x0007, |
|
356 |
NVME_CMD_ABORT_SQ_DEL = 0x0008, |
|
357 |
NVME_CMD_ABORT_FAILED_FUSE = 0x0009, |
|
358 |
NVME_CMD_ABORT_MISSING_FUSE = 0x000a, |
|
359 |
NVME_INVALID_NSID = 0x000b, |
|
360 |
NVME_CMD_SEQ_ERROR = 0x000c, |
|
361 |
NVME_LBA_RANGE = 0x0080, |
|
362 |
NVME_CAP_EXCEEDED = 0x0081, |
|
363 |
NVME_NS_NOT_READY = 0x0082, |
|
364 |
NVME_NS_RESV_CONFLICT = 0x0083, |
|
365 |
NVME_INVALID_CQID = 0x0100, |
|
366 |
NVME_INVALID_QID = 0x0101, |
|
367 |
NVME_MAX_QSIZE_EXCEEDED = 0x0102, |
|
368 |
NVME_ACL_EXCEEDED = 0x0103, |
|
369 |
NVME_RESERVED = 0x0104, |
|
370 |
NVME_AER_LIMIT_EXCEEDED = 0x0105, |
|
371 |
NVME_INVALID_FW_SLOT = 0x0106, |
|
372 |
NVME_INVALID_FW_IMAGE = 0x0107, |
|
373 |
NVME_INVALID_IRQ_VECTOR = 0x0108, |
|
374 |
NVME_INVALID_LOG_ID = 0x0109, |
|
375 |
NVME_INVALID_FORMAT = 0x010a, |
|
376 |
NVME_FW_REQ_RESET = 0x010b, |
|
377 |
NVME_INVALID_QUEUE_DEL = 0x010c, |
|
378 |
NVME_FID_NOT_SAVEABLE = 0x010d, |
|
379 |
NVME_FID_NOT_NSID_SPEC = 0x010f, |
|
380 |
NVME_FW_REQ_SUSYSTEM_RESET = 0x0110, |
|
381 |
NVME_CONFLICTING_ATTRS = 0x0180, |
|
382 |
NVME_INVALID_PROT_INFO = 0x0181, |
|
383 |
NVME_WRITE_TO_RO = 0x0182, |
|
384 |
NVME_WRITE_FAULT = 0x0280, |
|
385 |
NVME_UNRECOVERED_READ = 0x0281, |
|
386 |
NVME_E2E_GUARD_ERROR = 0x0282, |
|
387 |
NVME_E2E_APP_ERROR = 0x0283, |
|
388 |
NVME_E2E_REF_ERROR = 0x0284, |
|
389 |
NVME_CMP_FAILURE = 0x0285, |
|
390 |
NVME_ACCESS_DENIED = 0x0286, |
|
391 |
NVME_MORE = 0x2000, |
|
392 |
NVME_DNR = 0x4000, |
|
393 |
NVME_NO_COMPLETE = 0xffff, |
|
394 |
}; |
|
395 |
|
|
396 |
typedef struct NvmeFwSlotInfoLog { |
|
397 |
uint8_t afi; |
|
398 |
uint8_t reserved1[7]; |
|
399 |
uint8_t frs1[8]; |
|
400 |
uint8_t frs2[8]; |
|
401 |
uint8_t frs3[8]; |
|
402 |
uint8_t frs4[8]; |
|
403 |
uint8_t frs5[8]; |
|
404 |
uint8_t frs6[8]; |
|
405 |
uint8_t frs7[8]; |
|
406 |
uint8_t reserved2[448]; |
|
407 |
} NvmeFwSlotInfoLog; |
|
408 |
|
|
409 |
typedef struct NvmeErrorLog { |
|
410 |
uint64_t error_count; |
|
411 |
uint16_t sqid; |
|
412 |
uint16_t cid; |
|
413 |
uint16_t status_field; |
|
414 |
uint16_t param_error_location; |
|
415 |
uint64_t lba; |
|
416 |
uint32_t nsid; |
|
417 |
uint8_t vs; |
|
418 |
uint8_t resv[35]; |
|
419 |
} NvmeErrorLog; |
|
420 |
|
|
421 |
typedef struct NvmeSmartLog { |
|
422 |
uint8_t critical_warning; |
|
423 |
uint8_t temperature[2]; |
|
424 |
uint8_t available_spare; |
|
425 |
uint8_t available_spare_threshold; |
|
426 |
uint8_t percentage_used; |
|
427 |
uint8_t reserved1[26]; |
|
428 |
uint64_t data_units_read[2]; |
|
429 |
uint64_t data_units_written[2]; |
|
430 |
uint64_t host_read_commands[2]; |
|
431 |
uint64_t host_write_commands[2]; |
|
432 |
uint64_t controller_busy_time[2]; |
|
433 |
uint64_t power_cycles[2]; |
|
434 |
uint64_t power_on_hours[2]; |
|
435 |
uint64_t unsafe_shutdowns[2]; |
|
436 |
uint64_t media_errors[2]; |
|
437 |
uint64_t number_of_error_log_entries[2]; |
|
438 |
uint8_t reserved2[320]; |
|
439 |
} NvmeSmartLog; |
|
440 |
|
|
441 |
enum NvmeSmartWarn { |
|
442 |
NVME_SMART_SPARE = 1 << 0, |
|
443 |
NVME_SMART_TEMPERATURE = 1 << 1, |
|
444 |
NVME_SMART_RELIABILITY = 1 << 2, |
|
445 |
NVME_SMART_MEDIA_READ_ONLY = 1 << 3, |
|
446 |
NVME_SMART_FAILED_VOLATILE_MEDIA = 1 << 4, |
|
447 |
}; |
|
448 |
|
|
449 |
enum LogIdentifier { |
|
450 |
NVME_LOG_ERROR_INFO = 0x01, |
|
451 |
NVME_LOG_SMART_INFO = 0x02, |
|
452 |
NVME_LOG_FW_SLOT_INFO = 0x03, |
|
453 |
}; |
|
454 |
|
|
455 |
typedef struct NvmePSD { |
|
456 |
uint16_t mp; |
|
457 |
uint16_t reserved; |
|
458 |
uint32_t enlat; |
|
459 |
uint32_t exlat; |
|
460 |
uint8_t rrt; |
|
461 |
uint8_t rrl; |
|
462 |
uint8_t rwt; |
|
463 |
uint8_t rwl; |
|
464 |
uint8_t resv[16]; |
|
465 |
} NvmePSD; |
|
466 |
|
|
467 |
typedef struct NvmeIdCtrl { |
|
468 |
uint16_t vid; |
|
469 |
uint16_t ssvid; |
|
470 |
uint8_t sn[20]; |
|
471 |
uint8_t mn[40]; |
|
472 |
uint8_t fr[8]; |
|
473 |
uint8_t rab; |
|
474 |
uint8_t ieee[3]; |
|
475 |
uint8_t cmic; |
|
476 |
uint8_t mdts; |
|
477 |
uint8_t rsvd255[178]; |
|
478 |
uint16_t oacs; |
|
479 |
uint8_t acl; |
|
480 |
uint8_t aerl; |
|
481 |
uint8_t frmw; |
|
482 |
uint8_t lpa; |
|
483 |
uint8_t elpe; |
|
484 |
uint8_t npss; |
|
485 |
uint8_t rsvd511[248]; |
|
486 |
uint8_t sqes; |
|
487 |
uint8_t cqes; |
|
488 |
uint16_t rsvd515; |
|
489 |
uint32_t nn; |
|
490 |
uint16_t oncs; |
|
491 |
uint16_t fuses; |
|
492 |
uint8_t fna; |
|
493 |
uint8_t vwc; |
|
494 |
uint16_t awun; |
|
495 |
uint16_t awupf; |
|
496 |
uint8_t rsvd703[174]; |
|
497 |
uint8_t rsvd2047[1344]; |
|
498 |
NvmePSD psd[32]; |
|
499 |
uint8_t vs[1024]; |
|
500 |
} NvmeIdCtrl; |
|
501 |
|
|
502 |
enum NvmeIdCtrlOacs { |
|
503 |
NVME_OACS_SECURITY = 1 << 0, |
|
504 |
NVME_OACS_FORMAT = 1 << 1, |
|
505 |
NVME_OACS_FW = 1 << 2, |
|
506 |
}; |
|
507 |
|
|
508 |
enum NvmeIdCtrlOncs { |
|
509 |
NVME_ONCS_COMPARE = 1 << 0, |
|
510 |
NVME_ONCS_WRITE_UNCORR = 1 << 1, |
|
511 |
NVME_ONCS_DSM = 1 << 2, |
|
512 |
NVME_ONCS_WRITE_ZEROS = 1 << 3, |
|
513 |
NVME_ONCS_FEATURES = 1 << 4, |
|
514 |
NVME_ONCS_RESRVATIONS = 1 << 5, |
|
515 |
}; |
|
516 |
|
|
517 |
#define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf) |
|
518 |
#define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf) |
|
519 |
#define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf) |
|
520 |
#define NVME_CTRL_CQES_MAX(cqes) (((cqes) >> 4) & 0xf) |
|
521 |
|
|
522 |
typedef struct NvmeFeatureVal { |
|
523 |
uint32_t arbitration; |
|
524 |
uint32_t power_mgmt; |
|
525 |
uint32_t temp_thresh; |
|
526 |
uint32_t err_rec; |
|
527 |
uint32_t volatile_wc; |
|
528 |
uint32_t num_queues; |
|
529 |
uint32_t int_coalescing; |
|
530 |
uint32_t *int_vector_config; |
|
531 |
uint32_t write_atomicity; |
|
532 |
uint32_t async_config; |
|
533 |
uint32_t sw_prog_marker; |
|
534 |
} NvmeFeatureVal; |
|
535 |
|
|
536 |
#define NVME_ARB_AB(arb) (arb & 0x7) |
|
537 |
#define NVME_ARB_LPW(arb) ((arb >> 8) & 0xff) |
|
538 |
#define NVME_ARB_MPW(arb) ((arb >> 16) & 0xff) |
|
539 |
#define NVME_ARB_HPW(arb) ((arb >> 24) & 0xff) |
|
540 |
|
|
541 |
#define NVME_INTC_THR(intc) (intc & 0xff) |
|
542 |
#define NVME_INTC_TIME(intc) ((intc >> 8) & 0xff) |
|
543 |
|
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