refractor hcd API to allow queue xfer without actually transferring data

This commit is contained in:
hathach 2013-09-23 00:24:51 +07:00
parent a8a10e8650
commit 85f3ad9d3b
3 changed files with 22 additions and 16 deletions

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@ -175,8 +175,8 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
} }
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cmd_block_wrapper_t), false) ); ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cmd_block_wrapper_t), false) );
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , p_msch->buffer, p_msch->cbw.xfer_bytes, false) ); ASSERT_STATUS( hcd_pipe_queue_xfer(p_msch->bulk_in , p_msch->buffer, p_msch->cbw.xfer_bytes) );
//ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , &p_msch->csw, sizeof(msc_cmd_status_wrapper_t), true) ); ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , &p_msch->csw, sizeof(msc_cmd_status_wrapper_t), true) );
} }
void msch_init(void) void msch_init(void)
@ -241,10 +241,7 @@ tusb_error_t msch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
//------------- SCSI Inquiry -------------// //------------- SCSI Inquiry -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_INQUIRY, 0); scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_INQUIRY, 0);
osal_task_delay(5); osal_task_delay(2);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
// check csw
memcpy(msch_data[dev_addr-1].vendor_id, memcpy(msch_data[dev_addr-1].vendor_id,
((scsi_inquiry_data_t*)msch_data[dev_addr-1].buffer)->vendor_id, ((scsi_inquiry_data_t*)msch_data[dev_addr-1].buffer)->vendor_id,
@ -256,17 +253,12 @@ tusb_error_t msch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
#if 0 #if 0
//------------- SCSI Request Sense -------------// //------------- SCSI Request Sense -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_REQUEST_SENSE, 0); scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_REQUEST_SENSE, 0);
osal_task_delay(5); osal_task_delay(2);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
#endif #endif
//------------- SCSI Read Capacity 10 -------------// //------------- SCSI Read Capacity 10 -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_READ_CAPACITY_10, 0); scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_READ_CAPACITY_10, 0);
osal_task_delay(5); osal_task_delay(2);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
// check csw
msch_data[dev_addr-1].last_lba = __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->last_lba ); msch_data[dev_addr-1].last_lba = __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->last_lba );
msch_data[dev_addr-1].block_size = (uint16_t) __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->block_size ); msch_data[dev_addr-1].block_size = (uint16_t) __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->block_size );

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@ -402,7 +402,7 @@ pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const *
return (pipe_handle_t) { .dev_addr = dev_addr, .xfer_type = p_endpoint_desc->bmAttributes.xfer, .index = qhd_get_index(p_qhd) }; return (pipe_handle_t) { .dev_addr = dev_addr, .xfer_type = p_endpoint_desc->bmAttributes.xfer, .index = qhd_get_index(p_qhd) };
} }
tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) tusb_error_t hcd_pipe_queue_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes)
{ {
//------------- TODO pipe handle validate -------------// //------------- TODO pipe handle validate -------------//
@ -414,7 +414,6 @@ tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t t
qtd_init(p_qtd, (uint32_t) buffer, total_bytes); qtd_init(p_qtd, (uint32_t) buffer, total_bytes);
p_qtd->pid = p_qhd->pid_non_control; p_qtd->pid = p_qhd->pid_non_control;
p_qtd->int_on_complete = int_on_complete ? 1 : 0;
//------------- insert TD to TD list -------------// //------------- insert TD to TD list -------------//
qtd_insert_to_qhd(p_qhd, p_qtd); qtd_insert_to_qhd(p_qhd, p_qtd);
@ -422,6 +421,21 @@ tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t t
return TUSB_ERROR_NONE; return TUSB_ERROR_NONE;
} }
tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete)
{
hcd_pipe_queue_xfer(pipe_hdl, buffer, total_bytes);
ehci_qhd_t *p_qhd = qhd_get_from_pipe_handle(pipe_hdl);
if ( int_on_complete )
{ // the just added qtd is pointed by list_tail
p_qhd->p_qtd_list_tail->int_on_complete = 1;
}
p_qhd->qtd_overlay.next.address = (uint32_t) p_qhd->p_qtd_list_head; // attach to queue head to start transferring
return TUSB_ERROR_NONE;
}
/// pipe_close should only be called as a part of unmount/safe-remove process /// pipe_close should only be called as a part of unmount/safe-remove process
tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl) tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl)
{ {
@ -882,7 +896,6 @@ static inline void qtd_insert_to_qhd(ehci_qhd_t *p_qhd, ehci_qtd_t *p_qtd_new)
if (p_qhd->p_qtd_list_head == NULL) // empty list if (p_qhd->p_qtd_list_head == NULL) // empty list
{ {
p_qhd->p_qtd_list_head = p_qhd->p_qtd_list_tail = p_qtd_new; p_qhd->p_qtd_list_head = p_qhd->p_qtd_list_tail = p_qtd_new;
p_qhd->qtd_overlay.next.address = (uint32_t) p_qtd_new;
}else }else
{ {
p_qhd->p_qtd_list_tail->next.address = (uint32_t) p_qtd_new; p_qhd->p_qtd_list_tail->next.address = (uint32_t) p_qtd_new;

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@ -95,6 +95,7 @@ tusb_error_t hcd_pipe_control_xfer(uint8_t dev_addr, tusb_control_request_t con
tusb_error_t hcd_pipe_control_close(uint8_t dev_addr) ATTR_WARN_UNUSED_RESULT; tusb_error_t hcd_pipe_control_close(uint8_t dev_addr) ATTR_WARN_UNUSED_RESULT;
pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const * endpoint_desc, uint8_t class_code) ATTR_WARN_UNUSED_RESULT; pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const * endpoint_desc, uint8_t class_code) ATTR_WARN_UNUSED_RESULT;
tusb_error_t hcd_pipe_queue_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes) ATTR_WARN_UNUSED_RESULT; // only queue, not transferring yet
tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) ATTR_WARN_UNUSED_RESULT; tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl) /*ATTR_WARN_UNUSED_RESULT*/; tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl) /*ATTR_WARN_UNUSED_RESULT*/;
bool hcd_pipe_is_idle(pipe_handle_t pipe_hdl); bool hcd_pipe_is_idle(pipe_handle_t pipe_hdl);