mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
implemented rest of scsi stack
This commit is contained in:
Bernd Herzog
parent
776ac652a8
commit
fc1b676ce6
@ -62,20 +62,6 @@ volatile bool inquiry_stage_one_send = false;
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void inquiry_cb(void* user_data, unsigned int bytes_transferred)
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{
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inquiry_stage_one_send = true;
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//HALT_UNTIL_DEBUGGING();
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//faulty
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// usb_transfer_schedule_block(
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// &usb_endpoint_bulk_out,
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// &usb_bulk_buffer[0],
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// USB_TRANSFER_SIZE,
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// handle_inquiry_3,
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// msd_cbw_data);
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//does not send
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}
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void handle_inquiry(msd_cbw_t *msd_cbw_data) {
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@ -98,16 +84,290 @@ void handle_inquiry(msd_cbw_t *msd_cbw_data){
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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// does not gets send
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL, //handle_inquiry_3,
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NULL); //msd_cbw_data);
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NULL,
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NULL);
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}
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typedef struct {
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uint8_t header[4];
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uint8_t blocknum[4];
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uint8_t blocklen[4];
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} scsi_read_format_capacities_response_t;
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volatile bool capacities_stage_one_send = false;
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void capacities_cb(void* user_data, unsigned int bytes_transferred)
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{
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capacities_stage_one_send = true;
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}
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void read_format_capacities(msd_cbw_t *msd_cbw_data) {
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uint16_t len = msd_cbw_data->cmd_data[7] << 8 | msd_cbw_data->cmd_data[8];
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if (len != 0) {
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scsi_read_format_capacities_response_t ret = {
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.header = {0, 0, 0, 1 * 8 /* num_entries * 8 */},
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.blocknum = {0, 0, (1024 * 8) >> 8, 0}, // 32GB
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.blocklen = {0b10 /* formated */, 0, (512) >> 8, 0}
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};
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capacities_stage_one_send = false;
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memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_format_capacities_response_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0],
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sizeof(scsi_inquiry_response_t),
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capacities_cb,
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msd_cbw_data);
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while (!capacities_stage_one_send);
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}
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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typedef struct {
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uint32_t last_block_addr;
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uint32_t block_size;
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} scsi_read_capacity10_response_t;
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volatile bool capacity10_stage_one_send = false;
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void capacity10_cb(void* user_data, unsigned int bytes_transferred)
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{
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capacity10_stage_one_send = true;
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}
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void read_capacity10(msd_cbw_t *msd_cbw_data) {
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capacity10_stage_one_send = false;
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scsi_read_capacity10_response_t ret = {
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.last_block_addr = cpu_to_be32(8 * 1024 * 1024 - 1),
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.block_size = cpu_to_be32(512)
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};
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memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_read_capacity10_response_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0],
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sizeof(scsi_read_capacity10_response_t),
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capacity10_cb,
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msd_cbw_data);
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while (!capacity10_stage_one_send);
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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typedef struct {
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uint8_t byte[18];
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} scsi_sense_response_t;
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volatile bool sense_stage_one_send = false;
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void sense_cb(void* user_data, unsigned int bytes_transferred)
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{
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sense_stage_one_send = true;
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}
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void request_sense(msd_cbw_t *msd_cbw_data) {
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sense_stage_one_send = false;
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scsi_sense_response_t ret = {
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.byte = { 0x70, 0, SCSI_SENSE_KEY_GOOD, 0,
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0, 0, 0, 8,
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0, 0 ,0 ,0,
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SCSI_ASENSE_NO_ADDITIONAL_INFORMATION, SCSI_ASENSEQ_NO_QUALIFIER, 0, 0,
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0, 0 }
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};
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memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_sense_response_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0],
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sizeof(scsi_sense_response_t),
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sense_cb,
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msd_cbw_data);
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while (!sense_stage_one_send);
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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typedef struct {
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uint8_t byte[4];
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} scsi_mode_sense6_response_t;
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volatile bool sense6_stage_one_send = false;
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void sense6_cb(void* user_data, unsigned int bytes_transferred)
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{
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sense6_stage_one_send = true;
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}
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void mode_sense6 (msd_cbw_t *msd_cbw_data) {
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sense6_stage_one_send = false;
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scsi_mode_sense6_response_t ret = {
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.byte = {
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sizeof(scsi_mode_sense6_response_t) - 1,
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0,
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0x01 << 7, // 0 for not write protected
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0 }
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};
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memcpy(&usb_bulk_buffer[0], &ret, sizeof(scsi_mode_sense6_response_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0],
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sizeof(scsi_mode_sense6_response_t),
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sense6_cb,
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msd_cbw_data);
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while (!sense6_stage_one_send);
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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typedef struct {
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uint32_t first_lba;
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uint16_t blk_cnt;
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} data_request_t;
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static data_request_t decode_data_request(const uint8_t *cmd) {
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data_request_t req;
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uint32_t lba;
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uint16_t blk;
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memcpy(&lba, &cmd[2], sizeof(lba));
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memcpy(&blk, &cmd[7], sizeof(blk));
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req.first_lba = be32_to_cpu(lba);
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req.blk_cnt = be16_to_cpu(blk);
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return req;
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}
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volatile uint32_t read10_blocks_send = 0;
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void read10_cb(void* user_data, unsigned int bytes_transferred)
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{
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read10_blocks_send++;
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}
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void data_read10(msd_cbw_t *msd_cbw_data) {
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read10_blocks_send = 0;
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data_request_t req = decode_data_request(msd_cbw_data->cmd_data);
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for (size_t block_index = 0; block_index < req.blk_cnt; block_index++) {
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memset(&usb_bulk_buffer[0], 0, 512);
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0],
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512,
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read10_cb,
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msd_cbw_data);
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while (read10_blocks_send <= block_index);
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}
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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void test_unit_ready(msd_cbw_t *msd_cbw_data) {
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msd_csw_t csw = {
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.signature = MSD_CSW_SIGNATURE,
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.tag = msd_cbw_data->tag,
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.data_residue = 0,
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.status = 0
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};
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memcpy(&usb_bulk_buffer[0x4000], &csw, sizeof(msd_csw_t));
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usb_transfer_schedule_block(
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&usb_endpoint_bulk_in,
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&usb_bulk_buffer[0x4000],
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sizeof(msd_csw_t),
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NULL,
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NULL);
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}
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void scsi_command(msd_cbw_t *msd_cbw_data) {
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switch (msd_cbw_data->cmd_data[0]) {
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@ -117,46 +377,44 @@ void scsi_command(msd_cbw_t *msd_cbw_data) {
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break;
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default:
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HALT_UNTIL_DEBUGGING();
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break;
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/*
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case SCSI_CMD_REQUEST_SENSE:
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ret = request_sense(scsip, cmd);
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request_sense(msd_cbw_data);
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break;
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case SCSI_CMD_READ_CAPACITY_10:
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ret = read_capacity10(scsip, cmd);
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read_capacity10(msd_cbw_data);
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break;
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case SCSI_CMD_READ_10:
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ret = data_read_write10(scsip, cmd);
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data_read10(msd_cbw_data);
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break;
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/*
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case SCSI_CMD_WRITE_10:
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ret = data_read_write10(scsip, cmd);
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break;
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*/
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case SCSI_CMD_TEST_UNIT_READY:
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ret = test_unit_ready(scsip, cmd);
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test_unit_ready(msd_cbw_data);
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break;
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case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
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ret = cmd_ignored(scsip, cmd);
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test_unit_ready(msd_cbw_data);
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// ret = cmd_ignored(scsip, cmd);
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break;
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case SCSI_CMD_MODE_SENSE_6:
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ret = mode_sense6(scsip, cmd);
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mode_sense6(msd_cbw_data);
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break;
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case SCSI_CMD_READ_FORMAT_CAPACITIES:
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ret = read_format_capacities(scsip, cmd);
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read_format_capacities(msd_cbw_data);
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break;
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case SCSI_CMD_VERIFY_10:
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ret = cmd_ignored(scsip, cmd);
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test_unit_ready(msd_cbw_data);
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break;
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/*
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default:
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ret = cmd_unhandled(scsip, cmd);
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break;
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@ -26,6 +26,36 @@
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#define SCSI_CMD_WRITE_10 0x2A
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#define SCSI_CMD_VERIFY_10 0x2F
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#define SCSI_SENSE_KEY_GOOD 0x00
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#define SCSI_SENSE_KEY_RECOVERED_ERROR 0x01
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#define SCSI_SENSE_KEY_NOT_READY 0x02
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#define SCSI_SENSE_KEY_MEDIUM_ERROR 0x03
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#define SCSI_SENSE_KEY_HARDWARE_ERROR 0x04
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#define SCSI_SENSE_KEY_ILLEGAL_REQUEST 0x05
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#define SCSI_SENSE_KEY_UNIT_ATTENTION 0x06
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#define SCSI_SENSE_KEY_DATA_PROTECT 0x07
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#define SCSI_SENSE_KEY_BLANK_CHECK 0x08
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#define SCSI_SENSE_KEY_VENDOR_SPECIFIC 0x09
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#define SCSI_SENSE_KEY_COPY_ABORTED 0x0A
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#define SCSI_SENSE_KEY_ABORTED_COMMAND 0x0B
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#define SCSI_SENSE_KEY_VOLUME_OVERFLOW 0x0D
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#define SCSI_SENSE_KEY_MISCOMPARE 0x0E
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#define SCSI_ASENSE_NO_ADDITIONAL_INFORMATION 0x00
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#define SCSI_ASENSE_LOGICAL_UNIT_NOT_READY 0x04
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#define SCSI_ASENSE_INVALID_FIELD_IN_CDB 0x24
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#define SCSI_ASENSE_NOT_READY_TO_READY_CHANGE 0x28
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#define SCSI_ASENSE_WRITE_PROTECTED 0x27
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#define SCSI_ASENSE_FORMAT_ERROR 0x31
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#define SCSI_ASENSE_INVALID_COMMAND 0x20
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#define SCSI_ASENSE_LBA_OUT_OF_RANGE 0x21
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#define SCSI_ASENSE_MEDIUM_NOT_PRESENT 0x3A
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#define SCSI_ASENSEQ_NO_QUALIFIER 0x00
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#define SCSI_ASENSEQ_FORMAT_COMMAND_FAILED 0x01
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#define SCSI_ASENSEQ_INIT_COMMAND_REQUIRED 0x02
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#define SCSI_ASENSEQ_OPERATION_IN_PROGRESS 0x07
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#define MSD_CBW_SIGNATURE 0x43425355
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#define MSD_CSW_SIGNATURE 0x53425355
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@ -41,6 +71,54 @@ typedef struct {
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uint8_t cmd_data[16];
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} __attribute__((packed)) msd_cbw_t;
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static inline uint16_t bswap_16(const uint16_t x)
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__attribute__ ((warn_unused_result))
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__attribute__ ((const))
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__attribute__ ((always_inline));
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static inline uint16_t bswap_16(const uint16_t x) {
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uint8_t tmp;
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union { uint16_t x; uint8_t b[2]; } data;
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data.x = x;
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tmp = data.b[0];
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data.b[0] = data.b[1];
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data.b[1] = tmp;
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return data.x;
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}
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static inline uint32_t bswap_32(const uint32_t x)
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__attribute__ ((warn_unused_result))
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__attribute__ ((const))
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__attribute__ ((always_inline));
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static inline uint32_t bswap_32(const uint32_t x) {
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uint8_t tmp;
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union { uint32_t x; uint8_t b[4]; } data;
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data.x = x;
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tmp = data.b[0];
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data.b[0] = data.b[3];
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data.b[3] = tmp;
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tmp = data.b[1];
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data.b[1] = data.b[2];
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data.b[2] = tmp;
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return data.x;
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}
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#define be16_to_cpu(x) bswap_16(x)
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#define be32_to_cpu(x) bswap_32(x)
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#define cpu_to_be16(x) bswap_16(x)
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#define cpu_to_be32(x) bswap_32(x)
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void scsi_command(msd_cbw_t *msd_cbw_data);
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#endif /* __SCSI_H__ */
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