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implemented rest of scsi stack

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This commit is contained in:
Bernd Herzog 2023-03-31 22:34:55 +02:00
parent 776ac652a8
commit fc1b676ce6
2 changed files with 396 additions and 60 deletions
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320
firmware/baseband/sd_over_usb/scsi.c
View File

@ -62,20 +62,6 @@ volatile bool inquiry_stage_one_send = false;
void inquiry_cb(void* user_data, unsigned int bytes_transferred) void inquiry_cb(void* user_data, unsigned int bytes_transferred)
{ {
inquiry_stage_one_send = true; inquiry_stage_one_send = true;
//HALT_UNTIL_DEBUGGING();
//faulty
// usb_transfer_schedule_block(
// &usb_endpoint_bulk_out,
// &usb_bulk_buffer[0],
// USB_TRANSFER_SIZE,
// handle_inquiry_3,
// msd_cbw_data);
//does not send
} }
void handle_inquiry(msd_cbw_t *msd_cbw_data) { void handle_inquiry(msd_cbw_t *msd_cbw_data) {
@ -98,16 +84,290 @@ void handle_inquiry(msd_cbw_t *msd_cbw_data){
}; };
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t)); memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
// does not gets send
usb_transfer_schedule_block( usb_transfer_schedule_block(
&usb_endpoint_bulk_in, &usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000], &usb_bulk_buffer[0x4000],
sizeof(msd_csw_t), sizeof(msd_csw_t),
NULL, //handle_inquiry_3, NULL,
NULL); //msd_cbw_data); NULL);
} }
typedef struct {
uint8_t header[4];
uint8_t blocknum[4];
uint8_t blocklen[4];
} scsi_read_format_capacities_response_t;
volatile bool capacities_stage_one_send = false;
void capacities_cb(void* user_data, unsigned int bytes_transferred)
{
capacities_stage_one_send = true;
}
void read_format_capacities(msd_cbw_t *msd_cbw_data) {
uint16_t len = msd_cbw_data->cmd_data[7] << 8 | msd_cbw_data->cmd_data[8];
if (len != 0) {
scsi_read_format_capacities_response_t ret = {
.header = {0, 0, 0, 1 * 8 /* num_entries * 8 */},
.blocknum = {0, 0, (1024 * 8) >> 8, 0}, // 32GB
.blocklen = {0b10 /* formated */, 0, (512) >> 8, 0}
};
capacities_stage_one_send = false;
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_format_capacities_response_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0],
sizeof(scsi_inquiry_response_t),
capacities_cb,
msd_cbw_data);
while (!capacities_stage_one_send);
}
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
typedef struct {
uint32_t last_block_addr;
uint32_t block_size;
} scsi_read_capacity10_response_t;
volatile bool capacity10_stage_one_send = false;
void capacity10_cb(void* user_data, unsigned int bytes_transferred)
{
capacity10_stage_one_send = true;
}
void read_capacity10(msd_cbw_t *msd_cbw_data) {
capacity10_stage_one_send = false;
scsi_read_capacity10_response_t ret = {
.last_block_addr = cpu_to_be32(8 * 1024 * 1024 - 1),
.block_size = cpu_to_be32(512)
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_capacity10_response_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0],
sizeof(scsi_read_capacity10_response_t),
capacity10_cb,
msd_cbw_data);
while (!capacity10_stage_one_send);
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
typedef struct {
uint8_t byte[18];
} scsi_sense_response_t;
volatile bool sense_stage_one_send = false;
void sense_cb(void* user_data, unsigned int bytes_transferred)
{
sense_stage_one_send = true;
}
void request_sense(msd_cbw_t *msd_cbw_data) {
sense_stage_one_send = false;
scsi_sense_response_t ret = {
.byte = { 0x70, 0, SCSI_SENSE_KEY_GOOD, 0,
0, 0, 0, 8,
0, 0 ,0 ,0,
SCSI_ASENSE_NO_ADDITIONAL_INFORMATION, SCSI_ASENSEQ_NO_QUALIFIER, 0, 0,
0, 0 }
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_sense_response_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0],
sizeof(scsi_sense_response_t),
sense_cb,
msd_cbw_data);
while (!sense_stage_one_send);
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
typedef struct {
uint8_t byte[4];
} scsi_mode_sense6_response_t;
volatile bool sense6_stage_one_send = false;
void sense6_cb(void* user_data, unsigned int bytes_transferred)
{
sense6_stage_one_send = true;
}
void mode_sense6 (msd_cbw_t *msd_cbw_data) {
sense6_stage_one_send = false;
scsi_mode_sense6_response_t ret = {
.byte = {
sizeof(scsi_mode_sense6_response_t) - 1,
0,
0x01 << 7, // 0 for not write protected
0 }
};
memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_mode_sense6_response_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0],
sizeof(scsi_mode_sense6_response_t),
sense6_cb,
msd_cbw_data);
while (!sense6_stage_one_send);
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
typedef struct {
uint32_t first_lba;
uint16_t blk_cnt;
} data_request_t;
static data_request_t decode_data_request(const uint8_t *cmd) {
data_request_t req;
uint32_t lba;
uint16_t blk;
memcpy(&lba, &cmd[2], sizeof(lba));
memcpy(&blk, &cmd[7], sizeof(blk));
req.first_lba = be32_to_cpu(lba);
req.blk_cnt = be16_to_cpu(blk);
return req;
}
volatile uint32_t read10_blocks_send = 0;
void read10_cb(void* user_data, unsigned int bytes_transferred)
{
read10_blocks_send++;
}
void data_read10(msd_cbw_t *msd_cbw_data) {
read10_blocks_send = 0;
data_request_t req = decode_data_request(msd_cbw_data->cmd_data);
for (size_t block_index = 0; block_index < req.blk_cnt; block_index++) {
memset(&usb_bulk_buffer[0], 0, 512);
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0],
512,
read10_cb,
msd_cbw_data);
while (read10_blocks_send <= block_index);
}
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
void test_unit_ready(msd_cbw_t *msd_cbw_data) {
msd_csw_t csw = {
.signature = MSD_CSW_SIGNATURE,
.tag = msd_cbw_data->tag,
.data_residue = 0,
.status = 0
};
memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
usb_transfer_schedule_block(
&usb_endpoint_bulk_in,
&usb_bulk_buffer[0x4000],
sizeof(msd_csw_t),
NULL,
NULL);
}
void scsi_command(msd_cbw_t *msd_cbw_data) { void scsi_command(msd_cbw_t *msd_cbw_data) {
switch (msd_cbw_data->cmd_data[0]) { switch (msd_cbw_data->cmd_data[0]) {
@ -117,46 +377,44 @@ void scsi_command(msd_cbw_t *msd_cbw_data) {
break; break;
default:
HALT_UNTIL_DEBUGGING();
break;
/*
case SCSI_CMD_REQUEST_SENSE: case SCSI_CMD_REQUEST_SENSE:
ret = request_sense(scsip, cmd); request_sense(msd_cbw_data);
break; break;
case SCSI_CMD_READ_CAPACITY_10: case SCSI_CMD_READ_CAPACITY_10:
ret = read_capacity10(scsip, cmd); read_capacity10(msd_cbw_data);
break; break;
case SCSI_CMD_READ_10: case SCSI_CMD_READ_10:
ret = data_read_write10(scsip, cmd); data_read10(msd_cbw_data);
break; break;
/*
case SCSI_CMD_WRITE_10: case SCSI_CMD_WRITE_10:
ret = data_read_write10(scsip, cmd); ret = data_read_write10(scsip, cmd);
break; break;
*/
case SCSI_CMD_TEST_UNIT_READY: case SCSI_CMD_TEST_UNIT_READY:
ret = test_unit_ready(scsip, cmd); test_unit_ready(msd_cbw_data);
break; break;
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL: case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
ret = cmd_ignored(scsip, cmd); test_unit_ready(msd_cbw_data);
// ret = cmd_ignored(scsip, cmd);
break; break;
case SCSI_CMD_MODE_SENSE_6: case SCSI_CMD_MODE_SENSE_6:
ret = mode_sense6(scsip, cmd); mode_sense6(msd_cbw_data);
break; break;
case SCSI_CMD_READ_FORMAT_CAPACITIES: case SCSI_CMD_READ_FORMAT_CAPACITIES:
ret = read_format_capacities(scsip, cmd); read_format_capacities(msd_cbw_data);
break; break;
case SCSI_CMD_VERIFY_10: case SCSI_CMD_VERIFY_10:
ret = cmd_ignored(scsip, cmd); test_unit_ready(msd_cbw_data);
break; break;
/*
default: default:
ret = cmd_unhandled(scsip, cmd); ret = cmd_unhandled(scsip, cmd);
break; break;

78
firmware/baseband/sd_over_usb/scsi.h
View File

@ -26,6 +26,36 @@
#define SCSI_CMD_WRITE_10 0x2A #define SCSI_CMD_WRITE_10 0x2A
#define SCSI_CMD_VERIFY_10 0x2F #define SCSI_CMD_VERIFY_10 0x2F
#define SCSI_SENSE_KEY_GOOD 0x00
#define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01
#define SCSI_SENSE_KEY_NOT_READY 0x02
#define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03
#define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04
#define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05
#define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06
#define SCSI_SENSE_KEY_DATA_PROTECT 0x07
#define SCSI_SENSE_KEY_BLANK_CHECK 0x08
#define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09
#define SCSI_SENSE_KEY_COPY_ABORTED 0x0A
#define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B
#define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D
#define SCSI_SENSE_KEY_MISCOMPARE 0x0E
#define SCSI_ASENSE_NO_ADDITIONAL_INFORMATION 0x00
#define SCSI_ASENSE_LOGICAL_UNIT_NOT_READY 0x04
#define SCSI_ASENSE_INVALID_FIELD_IN_CDB 0x24
#define SCSI_ASENSE_NOT_READY_TO_READY_CHANGE 0x28
#define SCSI_ASENSE_WRITE_PROTECTED 0x27
#define SCSI_ASENSE_FORMAT_ERROR 0x31
#define SCSI_ASENSE_INVALID_COMMAND 0x20
#define SCSI_ASENSE_LBA_OUT_OF_RANGE 0x21
#define SCSI_ASENSE_MEDIUM_NOT_PRESENT 0x3A
#define SCSI_ASENSEQ_NO_QUALIFIER 0x00
#define SCSI_ASENSEQ_FORMAT_COMMAND_FAILED 0x01
#define SCSI_ASENSEQ_INIT_COMMAND_REQUIRED 0x02
#define SCSI_ASENSEQ_OPERATION_IN_PROGRESS 0x07
#define MSD_CBW_SIGNATURE 0x43425355 #define MSD_CBW_SIGNATURE 0x43425355
#define MSD_CSW_SIGNATURE 0x53425355 #define MSD_CSW_SIGNATURE 0x53425355
@ -41,6 +71,54 @@ typedef struct {
uint8_t cmd_data[16]; uint8_t cmd_data[16];
} __attribute__((packed)) msd_cbw_t; } __attribute__((packed)) msd_cbw_t;
static inline uint16_t bswap_16(const uint16_t x)
__attribute__ ((warn_unused_result))
__attribute__ ((const))
__attribute__ ((always_inline));
static inline uint16_t bswap_16(const uint16_t x) {
uint8_t tmp;
union { uint16_t x; uint8_t b[2]; } data;
data.x = x;
tmp = data.b[0];
data.b[0] = data.b[1];
data.b[1] = tmp;
return data.x;
}
static inline uint32_t bswap_32(const uint32_t x)
__attribute__ ((warn_unused_result))
__attribute__ ((const))
__attribute__ ((always_inline));
static inline uint32_t bswap_32(const uint32_t x) {
uint8_t tmp;
union { uint32_t x; uint8_t b[4]; } data;
data.x = x;
tmp = data.b[0];
data.b[0] = data.b[3];
data.b[3] = tmp;
tmp = data.b[1];
data.b[1] = data.b[2];
data.b[2] = tmp;
return data.x;
}
#define be16_to_cpu(x) bswap_16(x)
#define be32_to_cpu(x) bswap_32(x)
#define cpu_to_be16(x) bswap_16(x)
#define cpu_to_be32(x) bswap_32(x)
void scsi_command(msd_cbw_t *msd_cbw_data); void scsi_command(msd_cbw_t *msd_cbw_data);
#endif /* __SCSI_H__ */ #endif /* __SCSI_H__ */