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implement tuh_msc_scsi_inquiry() / tuh_msc_read_capacity() / tuh_msc_get_maxlun()

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This commit is contained in:
hathach
2020-10-13 13:23:33 +07:00
parent 9c07a2a4e2
commit 437ccac696
4 changed files with 96 additions and 105 deletions
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131
src/class/msc/msc_host.c
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@@ -53,11 +53,7 @@ typedef struct
uint8_t max_lun;
scsi_read_capacity10_resp_t capacity;
volatile bool is_initialized;
uint8_t vendor_id[8];
uint8_t product_id[16];
uint8_t stage;
void* buffer;
@@ -75,6 +71,11 @@ CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(4) static uint8_t msch_buffer[sizeof(scsi_i
//--------------------------------------------------------------------+
// PUBLIC API
//--------------------------------------------------------------------+
uint8_t tuh_msc_get_maxlun(uint8_t dev_addr)
{
return msch_data[dev_addr-1].max_lun;
}
bool tuh_msc_is_mounted(uint8_t dev_addr)
{
return tuh_device_is_configured(dev_addr) && // is configured can be omitted
@@ -87,19 +88,6 @@ bool tuh_msc_is_busy(uint8_t dev_addr)
hcd_edpt_busy(dev_addr, msch_data[dev_addr-1].ep_in);
}
bool tuh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint32_t* p_block_size)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
if ( !p_msc->is_initialized ) return false;
TU_ASSERT(p_last_lba != NULL && p_block_size != NULL);
(*p_last_lba) = p_msc->capacity.last_lba;
(*p_block_size) = p_msc->capacity.block_size;
return true;
}
//--------------------------------------------------------------------+
// PUBLIC API: SCSI COMMAND
//--------------------------------------------------------------------+
@@ -126,33 +114,46 @@ bool tuh_msc_scsi_command(uint8_t dev_addr, msc_cbw_t const* cbw, void* data, tu
return true;
}
#if 0
tusb_error_t tusbh_msc_inquiry(uint8_t dev_addr, uint8_t lun, uint8_t *p_data)
bool tuh_msc_read_capacity(uint8_t dev_addr, uint8_t lun, scsi_read_capacity10_resp_t* response, tuh_msc_complete_cb_t complete_cb)
{
msch_interface_t* p_msch = &msch_data[dev_addr-1];
msch_interface_t* p_msc = &msch_data[dev_addr-1];
if ( !p_msc->is_initialized ) return false;
//------------- Command Block Wrapper -------------//
msc_cbw_add_signature(&p_msch->cbw, lun);
p_msch->cbw.total_bytes = sizeof(scsi_inquiry_resp_t);
p_msch->cbw.dir = TUSB_DIR_IN_MASK;
p_msch->cbw.cmd_len = sizeof(scsi_inquiry_t);
msc_cbw_t cbw = { 0 };
msc_cbw_add_signature(&cbw, lun);
cbw.total_bytes = sizeof(scsi_read_capacity10_resp_t);
cbw.dir = TUSB_DIR_IN_MASK;
cbw.cmd_len = sizeof(scsi_read_capacity10_t);
cbw.command[0] = SCSI_CMD_READ_CAPACITY_10;
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb));
return true;
}
bool tuh_msc_scsi_inquiry(uint8_t dev_addr, uint8_t lun, scsi_inquiry_resp_t* response, tuh_msc_complete_cb_t complete_cb)
{
msc_cbw_t cbw = { 0 };
msc_cbw_add_signature(&cbw, lun);
cbw.total_bytes = sizeof(scsi_inquiry_resp_t);
cbw.dir = TUSB_DIR_IN_MASK;
cbw.cmd_len = sizeof(scsi_inquiry_t);
//------------- SCSI command -------------//
scsi_inquiry_t const cmd_inquiry =
{
.cmd_code = SCSI_CMD_INQUIRY,
.alloc_length = sizeof(scsi_inquiry_resp_t)
.cmd_code = SCSI_CMD_INQUIRY,
.alloc_length = sizeof(scsi_inquiry_resp_t)
};
memcpy(cbw.command, &cmd_inquiry, cbw.cmd_len);
memcpy(p_msch->cbw.command, &cmd_inquiry, p_msch->cbw.cmd_len);
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &cbw, response, complete_cb));
TU_ASSERT_ERR ( send_cbw(dev_addr, p_msch, p_data) );
return TUSB_ERROR_NONE;
return true;
}
#endif
bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb)
bool tuh_msc_test_unit_ready(uint8_t dev_addr, uint8_t lun, tuh_msc_complete_cb_t complete_cb)
{
msc_cbw_t cbw = { 0 };
msc_cbw_add_signature(&cbw, lun);
@@ -252,20 +253,12 @@ void msch_init(void)
tu_memclr(msch_data, sizeof(msch_interface_t)*CFG_TUSB_HOST_DEVICE_MAX);
}
void msch_close(uint8_t dev_addr)
{
tu_memclr(&msch_data[dev_addr-1], sizeof(msch_interface_t));
tuh_msc_unmounted_cb(dev_addr); // invoke Application Callback
}
static bool get_csw(uint8_t dev_addr, msch_interface_t * p_msc)
{
p_msc->stage = MSC_STAGE_STATUS;
TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t)));
return true;
}
bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
{
msch_interface_t* p_msc = &msch_data[dev_addr-1];
@@ -288,12 +281,15 @@ bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32
}else
{
// Status stage
get_csw(dev_addr, p_msc);
p_msc->stage = MSC_STAGE_STATUS;
TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t)));
}
break;
case MSC_STAGE_DATA:
get_csw(dev_addr, p_msc);
// Status stage
p_msc->stage = MSC_STAGE_STATUS;
TU_ASSERT(usbh_edpt_xfer(dev_addr, p_msc->ep_in, (uint8_t*) &p_msc->csw, sizeof(msc_csw_t)));
break;
case MSC_STAGE_STATUS:
@@ -317,7 +313,6 @@ bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32
static bool open_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
static bool open_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw);
static bool open_request_sense_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw);
static bool open_read_capacity10_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw);
bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length)
{
@@ -331,9 +326,7 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it
for(uint32_t i=0; i<2; i++)
{
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
TU_ASSERT(TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc));
if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
@@ -378,6 +371,7 @@ static bool open_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t c
// STALL means zero
p_msc->max_lun = (XFER_RESULT_SUCCESS == result) ? msch_buffer[0] : 0;
p_msc->max_lun++; // MAX LUN is minus 1 by specs
// MSCU Reset
#if 0 // not really needed
@@ -397,16 +391,6 @@ static bool open_get_maxlun_complete (uint8_t dev_addr, tusb_control_request_t c
TU_ASSERT( usbh_control_xfer( dev_addr, &new_request, NULL ) );
#endif
#if 0
//------------- SCSI Inquiry -------------//
TU_LOG2("SCSI Inquiry\r\n");
tusbh_msc_inquiry(dev_addr, 0, msch_buffer);
TU_ASSERT( osal_semaphore_wait(msch_sem_hdl, SCSI_XFER_TIMEOUT) );
memcpy(p_msc->vendor_id , ((scsi_inquiry_resp_t*) msch_buffer)->vendor_id , 8);
memcpy(p_msc->product_id, ((scsi_inquiry_resp_t*) msch_buffer)->product_id, 16);
#endif
// TODO multiple LUN support
TU_LOG2("SCSI Test Unit Ready\r\n");
tuh_msc_test_unit_ready(dev_addr, 0, open_test_unit_ready_complete);
@@ -418,18 +402,11 @@ static bool open_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw
{
if (csw->status == 0)
{
TU_LOG2("SCSI Read Capacity 10\r\n");
msch_interface_t* p_msc = &msch_data[dev_addr-1];
msc_cbw_t new_cbw = { 0 };
msc_cbw_add_signature(&new_cbw, cbw->lun);
new_cbw.total_bytes = sizeof(scsi_read_capacity10_resp_t);
new_cbw.dir = TUSB_DIR_IN_MASK;
new_cbw.cmd_len = sizeof(scsi_read_capacity10_t);
new_cbw.command[0] = SCSI_CMD_READ_CAPACITY_10;
TU_ASSERT(tuh_msc_scsi_command(dev_addr, &new_cbw, &p_msc->capacity, open_read_capacity10_complete));
// Unit is ready, Enumeration is complete
p_msc->is_initialized = true; // open complete TODO remove
tuh_msc_mounted_cb(dev_addr);
}else
{
// Note: During enumeration, some device fails Test Unit Ready and require a few retries
@@ -443,25 +420,9 @@ static bool open_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* cbw
static bool open_request_sense_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw)
{
TU_ASSERT(csw->status == 0);
TU_ASSERT(tuh_msc_test_unit_ready(dev_addr, cbw->lun, open_test_unit_ready_complete));
return true;
}
static bool open_read_capacity10_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw)
{
TU_ASSERT(csw->status == 0);
msch_interface_t* p_msc = &msch_data[dev_addr-1];
// Note: Block size and last LBA are big-endian
p_msc->capacity.last_lba = tu_ntohl(p_msc->capacity.last_lba);
p_msc->capacity.block_size = tu_ntohl(p_msc->capacity.block_size);
// Enumeration is complete
p_msc->is_initialized = true; // open complete TODO remove
tuh_msc_mounted_cb(dev_addr);
return true;
}
#endif