X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fusb_storage.c;h=6ac358d5e2be3ca3acce9dc7e5957ed483943922;hb=9c2c8a3129ff357b0bd052e1bc248c4c3368c49c;hp=d8fbb69a369b495a198755cbf588db2b819fa482;hpb=d0ff51ba5d0309dbe9e25ea54f8a0285a6d5db90;p=u-boot diff --git a/common/usb_storage.c b/common/usb_storage.c index d8fbb69a36..6ac358d5e2 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -11,29 +11,12 @@ * (C) Copyright 2001 Denis Peter, MPL AG Switzerland * * For BBB support (C) Copyright 2003 - * Gary Jennejohn, DENX Software Engineering + * Gary Jennejohn, DENX Software Engineering * * BBB support based on /sys/dev/usb/umass.c from * FreeBSD. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * + * SPDX-License-Identifier: GPL-2.0+ */ /* Note: @@ -45,8 +28,6 @@ * New Note: * Support for USB Mass Storage Devices (BBB) has been added. It has * only been tested with USB memory sticks. - * Nota bene: if you are using the BBB support with a little-endian - * CPU then you MUST define LITTLEENDIAN in the configuration file! */ @@ -55,28 +36,17 @@ #include #include - -#if defined(CONFIG_CMD_USB) #include #include -#ifdef CONFIG_USB_STORAGE - -#undef USB_STOR_DEBUG #undef BBB_COMDAT_TRACE #undef BBB_XPORT_TRACE -#ifdef USB_STOR_DEBUG -#define USB_STOR_PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define USB_STOR_PRINTF(fmt,args...) -#endif - #include /* direction table -- this indicates the direction of the data * transfer for each command code -- a 1 indicates input */ -unsigned char us_direction[256/8] = { +static const unsigned char us_direction[256/8] = { 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, @@ -84,8 +54,7 @@ unsigned char us_direction[256/8] = { }; #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) -static unsigned char usb_stor_buf[512]; -static ccb usb_ccb; +static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); /* * CBI style @@ -114,7 +83,7 @@ typedef struct { __u8 CBWCDB[CBWCDBLENGTH]; } umass_bbb_cbw_t; #define UMASS_BBB_CBW_SIZE 31 -static __u32 CBWTag = 0; +static __u32 CBWTag; /* Command Status Wrapper */ typedef struct { @@ -130,36 +99,49 @@ typedef struct { #define UMASS_BBB_CSW_SIZE 13 #define USB_MAX_STOR_DEV 5 -static int usb_max_devs = 0; /* number of highest available usb device */ +static int usb_max_devs; /* number of highest available usb device */ static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; struct us_data; -typedef int (*trans_cmnd)(ccb*, struct us_data*); -typedef int (*trans_reset)(struct us_data*); +typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); +typedef int (*trans_reset)(struct us_data *data); struct us_data { - struct usb_device *pusb_dev; /* this usb_device */ - unsigned int flags; /* from filter initially */ - unsigned char ifnum; /* interface number */ - unsigned char ep_in; /* in endpoint */ - unsigned char ep_out; /* out ....... */ - unsigned char ep_int; /* interrupt . */ - unsigned char subclass; /* as in overview */ - unsigned char protocol; /* .............. */ - unsigned char attention_done; /* force attn on first cmd */ - unsigned short ip_data; /* interrupt data */ - int action; /* what to do */ - int ip_wanted; /* needed */ - int *irq_handle; /* for USB int requests */ - unsigned int irqpipe; /* pipe for release_irq */ - unsigned char irqmaxp; /* max packed for irq Pipe */ - unsigned char irqinterval; /* Intervall for IRQ Pipe */ - ccb *srb; /* current srb */ - trans_reset transport_reset; /* reset routine */ - trans_cmnd transport; /* transport routine */ + struct usb_device *pusb_dev; /* this usb_device */ + + unsigned int flags; /* from filter initially */ +# define USB_READY (1 << 0) + unsigned char ifnum; /* interface number */ + unsigned char ep_in; /* in endpoint */ + unsigned char ep_out; /* out ....... */ + unsigned char ep_int; /* interrupt . */ + unsigned char subclass; /* as in overview */ + unsigned char protocol; /* .............. */ + unsigned char attention_done; /* force attn on first cmd */ + unsigned short ip_data; /* interrupt data */ + int action; /* what to do */ + int ip_wanted; /* needed */ + int *irq_handle; /* for USB int requests */ + unsigned int irqpipe; /* pipe for release_irq */ + unsigned char irqmaxp; /* max packed for irq Pipe */ + unsigned char irqinterval; /* Intervall for IRQ Pipe */ + ccb *srb; /* current srb */ + trans_reset transport_reset; /* reset routine */ + trans_cmnd transport; /* transport routine */ }; +#ifdef CONFIG_USB_EHCI +/* + * The U-Boot EHCI driver can handle any transfer length as long as there is + * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are + * limited to 65535 blocks. + */ +#define USB_MAX_XFER_BLK 65535 +#else +#define USB_MAX_XFER_BLK 20 +#endif + static struct us_data usb_stor[USB_MAX_STOR_DEV]; @@ -167,25 +149,30 @@ static struct us_data usb_stor[USB_MAX_STOR_DEV]; #define USB_STOR_TRANSPORT_FAILED -1 #define USB_STOR_TRANSPORT_ERROR -2 - -int usb_stor_get_info(struct usb_device *dev, struct us_data *us, block_dev_desc_t *dev_desc); -int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss); -unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer); +int usb_stor_get_info(struct usb_device *dev, struct us_data *us, + block_dev_desc_t *dev_desc); +int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, + struct us_data *ss); +unsigned long usb_stor_read(int device, lbaint_t blknr, + lbaint_t blkcnt, void *buffer); +unsigned long usb_stor_write(int device, lbaint_t blknr, + lbaint_t blkcnt, const void *buffer); struct usb_device * usb_get_dev_index(int index); void uhci_show_temp_int_td(void); +#ifdef CONFIG_PARTITIONS block_dev_desc_t *usb_stor_get_dev(int index) { - return (index < USB_MAX_STOR_DEV) ? &usb_dev_desc[index] : NULL; + return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; } +#endif - -void usb_show_progress(void) +static void usb_show_progress(void) { - printf("."); + debug("."); } -/********************************************************************************* +/******************************************************************************* * show info on storage devices; 'usb start/init' must be invoked earlier * as we only retrieve structures populated during devices initialization */ @@ -195,7 +182,7 @@ int usb_stor_info(void) if (usb_max_devs > 0) { for (i = 0; i < usb_max_devs; i++) { - printf (" Device %d: ", i); + printf(" Device %d: ", i); dev_print(&usb_dev_desc[i]); } return 0; @@ -205,7 +192,22 @@ int usb_stor_info(void) return 1; } -/********************************************************************************* +static unsigned int usb_get_max_lun(struct us_data *us) +{ + int len; + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); + len = usb_control_msg(us->pusb_dev, + usb_rcvctrlpipe(us->pusb_dev, 0), + US_BBB_GET_MAX_LUN, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + 0, us->ifnum, + result, sizeof(char), + USB_CNTL_TIMEOUT * 5); + debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); + return (len > 0) ? *result : 0; +} + +/******************************************************************************* * scan the usb and reports device info * to the user if mode = 1 * returns current device or -1 if no @@ -215,70 +217,80 @@ int usb_stor_scan(int mode) unsigned char i; struct usb_device *dev; - /* GJ */ - memset(usb_stor_buf, 0, sizeof(usb_stor_buf)); + if (mode == 1) + printf(" scanning usb for storage devices... "); - if(mode==1) { - printf(" scanning bus for storage devices... "); - } usb_disable_asynch(1); /* asynch transfer not allowed */ - for(i=0;i0) + if (usb_max_devs > 0) return 0; - else - return-1; + return -1; } static int usb_stor_irq(struct usb_device *dev) { struct us_data *us; - us=(struct us_data *)dev->privptr; + us = (struct us_data *)dev->privptr; - if(us->ip_wanted) { - us->ip_wanted=0; - } + if (us->ip_wanted) + us->ip_wanted = 0; return 0; } -#ifdef USB_STOR_DEBUG +#ifdef DEBUG -static void usb_show_srb(ccb * pccb) +static void usb_show_srb(ccb *pccb) { int i; - printf("SRB: len %d datalen 0x%lX\n ",pccb->cmdlen,pccb->datalen); - for(i=0;i<12;i++) { - printf("%02X ",pccb->cmd[i]); - } + printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); + for (i = 0; i < 12; i++) + printf("%02X ", pccb->cmd[i]); printf("\n"); } @@ -323,39 +335,49 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) /* set up the transfer loop */ do { /* transfer the data */ - USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n", - (unsigned int)buf, this_xfer, 11 - maxtry); + debug("Bulk xfer 0x%x(%d) try #%d\n", + (unsigned int)buf, this_xfer, 11 - maxtry); result = usb_bulk_msg(us->pusb_dev, pipe, buf, - this_xfer, &partial, USB_CNTL_TIMEOUT*5); - USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n", - result, partial, this_xfer); - if(us->pusb_dev->status!=0) { - /* if we stall, we need to clear it before we go on */ -#ifdef USB_STOR_DEBUG + this_xfer, &partial, + USB_CNTL_TIMEOUT * 5); + debug("bulk_msg returned %d xferred %d/%d\n", + result, partial, this_xfer); + if (us->pusb_dev->status != 0) { + /* if we stall, we need to clear it before + * we go on + */ +#ifdef DEBUG display_int_status(us->pusb_dev->status); #endif if (us->pusb_dev->status & USB_ST_STALLED) { - USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe); + debug("stalled ->clearing endpoint" \ + "halt for pipe 0x%x\n", pipe); stat = us->pusb_dev->status; usb_clear_halt(us->pusb_dev, pipe); - us->pusb_dev->status=stat; - if(this_xfer == partial) { - USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n",us->pusb_dev->status); + us->pusb_dev->status = stat; + if (this_xfer == partial) { + debug("bulk transferred" \ + "with error %lX," \ + " but data ok\n", + us->pusb_dev->status); return 0; } else return result; } if (us->pusb_dev->status & USB_ST_NAK_REC) { - USB_STOR_PRINTF("Device NAKed bulk_msg\n"); + debug("Device NAKed bulk_msg\n"); return result; } - if(this_xfer == partial) { - USB_STOR_PRINTF("bulk transferred with error %d, but data ok\n",us->pusb_dev->status); + debug("bulk transferred with error"); + if (this_xfer == partial) { + debug(" %ld, but data ok\n", + us->pusb_dev->status); return 0; } /* if our try counter reaches 0, bail out */ - USB_STOR_PRINTF("bulk transferred with error %d, data %d\n",us->pusb_dev->status,partial); + debug(" %ld, data %d\n", + us->pusb_dev->status, partial); if (!maxtry--) return result; } @@ -363,7 +385,7 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) this_xfer -= partial; buf += partial; /* continue until this transfer is done */ - } while ( this_xfer ); + } while (this_xfer); } /* if we get here, we're done and successful */ @@ -389,31 +411,34 @@ static int usb_stor_BBB_reset(struct us_data *us) * * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. */ - USB_STOR_PRINTF("BBB_reset\n"); - result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0), - US_BBB_RESET, USB_TYPE_CLASS | USB_RECIP_INTERFACE, - 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT*5); - - if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) - { - USB_STOR_PRINTF("RESET:stall\n"); + debug("BBB_reset\n"); + result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), + US_BBB_RESET, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); + + if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { + debug("RESET:stall\n"); return -1; } /* long wait for reset */ - wait_ms(150); - USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n",result,us->pusb_dev->status); + mdelay(150); + debug("BBB_reset result %d: status %lX reset\n", + result, us->pusb_dev->status); pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); result = usb_clear_halt(us->pusb_dev, pipe); /* long wait for reset */ - wait_ms(150); - USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",result,us->pusb_dev->status); + mdelay(150); + debug("BBB_reset result %d: status %lX clearing IN endpoint\n", + result, us->pusb_dev->status); /* long wait for reset */ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); result = usb_clear_halt(us->pusb_dev, pipe); - wait_ms(150); - USB_STOR_PRINTF("BBB_reset result %d: status %X clearing OUT endpoint\n",result,us->pusb_dev->status); - USB_STOR_PRINTF("BBB_reset done\n"); + mdelay(150); + debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", + result, us->pusb_dev->status); + debug("BBB_reset done\n"); return 0; } @@ -426,21 +451,24 @@ static int usb_stor_CB_reset(struct us_data *us) unsigned char cmd[12]; int result; - USB_STOR_PRINTF("CB_reset\n"); - memset(cmd, 0xFF, sizeof(cmd)); + debug("CB_reset\n"); + memset(cmd, 0xff, sizeof(cmd)); cmd[0] = SCSI_SEND_DIAG; cmd[1] = 4; - result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0), - US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE, - 0, us->ifnum, cmd, sizeof(cmd), USB_CNTL_TIMEOUT*5); + result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), + US_CBI_ADSC, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, + 0, us->ifnum, cmd, sizeof(cmd), + USB_CNTL_TIMEOUT * 5); /* long wait for reset */ - wait_ms(1500); - USB_STOR_PRINTF("CB_reset result %d: status %X clearing endpoint halt\n",result,us->pusb_dev->status); + mdelay(1500); + debug("CB_reset result %d: status %lX clearing endpoint halt\n", + result, us->pusb_dev->status); usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); - USB_STOR_PRINTF("CB_reset done\n"); + debug("CB_reset done\n"); return 0; } @@ -448,94 +476,112 @@ static int usb_stor_CB_reset(struct us_data *us) * Set up the command for a BBB device. Note that the actual SCSI * command is copied into cbw.CBWCDB. */ -int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) +static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) { int result; int actlen; int dir_in; unsigned int pipe; - umass_bbb_cbw_t cbw; + ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1); dir_in = US_DIRECTION(srb->cmd[0]); #ifdef BBB_COMDAT_TRACE - printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata); + printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", + dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, + srb->pdata); if (srb->cmdlen) { - for(result = 0;result < srb->cmdlen;result++) + for (result = 0; result < srb->cmdlen; result++) printf("cmd[%d] %#x ", result, srb->cmd[result]); printf("\n"); } #endif /* sanity checks */ if (!(srb->cmdlen <= CBWCDBLENGTH)) { - USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n"); + debug("usb_stor_BBB_comdat:cmdlen too large\n"); return -1; } /* always OUT to the ep */ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); - cbw.dCBWSignature = cpu_to_le32(CBWSIGNATURE); - cbw.dCBWTag = cpu_to_le32(CBWTag++); - cbw.dCBWDataTransferLength = cpu_to_le32(srb->datalen); - cbw.bCBWFlags = (dir_in? CBWFLAGS_IN : CBWFLAGS_OUT); - cbw.bCBWLUN = srb->lun; - cbw.bCDBLength = srb->cmdlen; + cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); + cbw->dCBWTag = cpu_to_le32(CBWTag++); + cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); + cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); + cbw->bCBWLUN = srb->lun; + cbw->bCDBLength = srb->cmdlen; /* copy the command data into the CBW command data buffer */ /* DST SRC LEN!!! */ - memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen); - result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE, &actlen, USB_CNTL_TIMEOUT*5); + memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); + result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, + &actlen, USB_CNTL_TIMEOUT * 5); if (result < 0) - USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n"); + debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); return result; } /* FIXME: we also need a CBI_command which sets up the completion * interrupt, and waits for it */ -int usb_stor_CB_comdat(ccb *srb, struct us_data *us) +static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) { int result = 0; - int dir_in,retry; + int dir_in, retry; unsigned int pipe; unsigned long status; - retry=5; - dir_in=US_DIRECTION(srb->cmd[0]); + retry = 5; + dir_in = US_DIRECTION(srb->cmd[0]); - if(dir_in) - pipe=usb_rcvbulkpipe(us->pusb_dev, us->ep_in); - else - pipe=usb_sndbulkpipe(us->pusb_dev, us->ep_out); - while(retry--) { - USB_STOR_PRINTF("CBI gets a command: Try %d\n",5-retry); -#ifdef USB_STOR_DEBUG + if (dir_in) + pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); + else + pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); + + while (retry--) { + debug("CBI gets a command: Try %d\n", 5 - retry); +#ifdef DEBUG usb_show_srb(srb); #endif /* let's send the command via the control pipe */ - result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0), - US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE, + result = usb_control_msg(us->pusb_dev, + usb_sndctrlpipe(us->pusb_dev , 0), + US_CBI_ADSC, + USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, us->ifnum, - srb->cmd, srb->cmdlen, USB_CNTL_TIMEOUT*5); - USB_STOR_PRINTF("CB_transport: control msg returned %d, status %X\n",result,us->pusb_dev->status); + srb->cmd, srb->cmdlen, + USB_CNTL_TIMEOUT * 5); + debug("CB_transport: control msg returned %d, status %lX\n", + result, us->pusb_dev->status); /* check the return code for the command */ if (result < 0) { - if(us->pusb_dev->status & USB_ST_STALLED) { - status=us->pusb_dev->status; - USB_STOR_PRINTF(" stall during command found, clear pipe\n"); - usb_clear_halt(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0)); - us->pusb_dev->status=status; + if (us->pusb_dev->status & USB_ST_STALLED) { + status = us->pusb_dev->status; + debug(" stall during command found," \ + " clear pipe\n"); + usb_clear_halt(us->pusb_dev, + usb_sndctrlpipe(us->pusb_dev, 0)); + us->pusb_dev->status = status; } - USB_STOR_PRINTF(" error during command %02X Stat = %X\n",srb->cmd[0],us->pusb_dev->status); + debug(" error during command %02X" \ + " Stat = %lX\n", srb->cmd[0], + us->pusb_dev->status); return result; } /* transfer the data payload for this command, if one exists*/ - USB_STOR_PRINTF("CB_transport: control msg returned %d, direction is %s to go 0x%lx\n",result,dir_in ? "IN" : "OUT",srb->datalen); + debug("CB_transport: control msg returned %d," \ + " direction is %s to go 0x%lx\n", result, + dir_in ? "IN" : "OUT", srb->datalen); if (srb->datalen) { - result = us_one_transfer(us, pipe, (char *)srb->pdata,srb->datalen); - USB_STOR_PRINTF("CBI attempted to transfer data, result is %d status %lX, len %d\n", result,us->pusb_dev->status,us->pusb_dev->act_len); - if(!(us->pusb_dev->status & USB_ST_NAK_REC)) + result = us_one_transfer(us, pipe, (char *)srb->pdata, + srb->datalen); + debug("CBI attempted to transfer data," \ + " result is %d status %lX, len %d\n", + result, us->pusb_dev->status, + us->pusb_dev->act_len); + if (!(us->pusb_dev->status & USB_ST_NAK_REC)) break; } /* if (srb->datalen) */ else @@ -547,28 +593,27 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us) } -int usb_stor_CBI_get_status (ccb * srb, struct us_data *us) +static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) { int timeout; us->ip_wanted = 1; - submit_int_msg (us->pusb_dev, us->irqpipe, + submit_int_msg(us->pusb_dev, us->irqpipe, (void *) &us->ip_data, us->irqmaxp, us->irqinterval); timeout = 1000; while (timeout--) { - if ((volatile int *) us->ip_wanted == 0) + if ((volatile int *) us->ip_wanted == NULL) break; - wait_ms (10); + mdelay(10); } if (us->ip_wanted) { - printf (" Did not get interrupt on CBI\n"); + printf(" Did not get interrupt on CBI\n"); us->ip_wanted = 0; return USB_STOR_TRANSPORT_ERROR; } - USB_STOR_PRINTF - ("Got interrupt data 0x%x, transfered %d status 0x%lX\n", - us->ip_data, us->pusb_dev->irq_act_len, - us->pusb_dev->irq_status); + debug("Got interrupt data 0x%x, transfered %d status 0x%lX\n", + us->ip_data, us->pusb_dev->irq_act_len, + us->pusb_dev->irq_status); /* UFI gives us ASC and ASCQ, like a request sense */ if (us->subclass == US_SC_UFI) { if (srb->cmd[0] == SCSI_REQ_SENSE || @@ -595,24 +640,24 @@ int usb_stor_CBI_get_status (ccb * srb, struct us_data *us) #define USB_TRANSPORT_NOT_READY_RETRY 10 /* clear a stall on an endpoint - special for BBB devices */ -int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) +static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) { int result; /* ENDPOINT_HALT = 0, so set value to 0 */ - result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0), + result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, - 0, endpt, 0, 0, USB_CNTL_TIMEOUT*5); + 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); return result; } -int usb_stor_BBB_transport(ccb *srb, struct us_data *us) +static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) { int result, retry; int dir_in; int actlen, data_actlen; unsigned int pipe, pipein, pipeout; - umass_bbb_csw_t csw; + ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1); #ifdef BBB_XPORT_TRACE unsigned char *ptr; int index; @@ -621,15 +666,16 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) dir_in = US_DIRECTION(srb->cmd[0]); /* COMMAND phase */ - USB_STOR_PRINTF("COMMAND phase\n"); + debug("COMMAND phase\n"); result = usb_stor_BBB_comdat(srb, us); if (result < 0) { - USB_STOR_PRINTF("failed to send CBW status %ld\n", - us->pusb_dev->status); + debug("failed to send CBW status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } - wait_ms(5); + if (!(us->flags & USB_READY)) + mdelay(5); pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); /* DATA phase + error handling */ @@ -637,24 +683,26 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) /* no data, go immediately to the STATUS phase */ if (srb->datalen == 0) goto st; - USB_STOR_PRINTF("DATA phase\n"); + debug("DATA phase\n"); if (dir_in) pipe = pipein; else pipe = pipeout; - result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT*5); + result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, + &data_actlen, USB_CNTL_TIMEOUT * 5); /* special handling of STALL in DATA phase */ - if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF("DATA:stall\n"); + if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { + debug("DATA:stall\n"); /* clear the STALL on the endpoint */ - result = usb_stor_BBB_clear_endpt_stall(us, dir_in? us->ep_in : us->ep_out); + result = usb_stor_BBB_clear_endpt_stall(us, + dir_in ? us->ep_in : us->ep_out); if (result >= 0) /* continue on to STATUS phase */ goto st; } if (result < 0) { - USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", - us->pusb_dev->status); + debug("usb_bulk_msg error status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } @@ -664,16 +712,17 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) printf("\n"); #endif /* STATUS phase + error handling */ - st: +st: retry = 0; - again: - USB_STOR_PRINTF("STATUS phase\n"); - result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE, +again: + debug("STATUS phase\n"); + result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, &actlen, USB_CNTL_TIMEOUT*5); /* special handling of STALL in STATUS phase */ - if((result < 0) && (retry < 1) && (us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF("STATUS:stall\n"); + if ((result < 0) && (retry < 1) && + (us->pusb_dev->status & USB_ST_STALLED)) { + debug("STATUS:stall\n"); /* clear the STALL on the endpoint */ result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); if (result >= 0 && (retry++ < 1)) @@ -681,243 +730,287 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) goto again; } if (result < 0) { - USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", - us->pusb_dev->status); + debug("usb_bulk_msg error status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } #ifdef BBB_XPORT_TRACE - ptr = (unsigned char *)&csw; + ptr = (unsigned char *)csw; for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) printf("ptr[%d] %#x ", index, ptr[index]); printf("\n"); #endif /* misuse pipe to get the residue */ - pipe = le32_to_cpu(csw.dCSWDataResidue); + pipe = le32_to_cpu(csw->dCSWDataResidue); if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) pipe = srb->datalen - data_actlen; - if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) { - USB_STOR_PRINTF("!CSWSIGNATURE\n"); + if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { + debug("!CSWSIGNATURE\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) { - USB_STOR_PRINTF("!Tag\n"); + } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { + debug("!Tag\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus > CSWSTATUS_PHASE) { - USB_STOR_PRINTF(">PHASE\n"); + } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { + debug(">PHASE\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus == CSWSTATUS_PHASE) { - USB_STOR_PRINTF("=PHASE\n"); + } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { + debug("=PHASE\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } else if (data_actlen > srb->datalen) { - USB_STOR_PRINTF("transferred %dB instead of %dB\n", - data_actlen, srb->datalen); + debug("transferred %dB instead of %ldB\n", + data_actlen, srb->datalen); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus == CSWSTATUS_FAILED) { - USB_STOR_PRINTF("FAILED\n"); + } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { + debug("FAILED\n"); return USB_STOR_TRANSPORT_FAILED; } return result; } -int usb_stor_CB_transport(ccb *srb, struct us_data *us) +static int usb_stor_CB_transport(ccb *srb, struct us_data *us) { - int result,status; + int result, status; ccb *psrb; ccb reqsrb; - int retry,notready; + int retry, notready; psrb = &reqsrb; - status=USB_STOR_TRANSPORT_GOOD; - retry=0; - notready=0; + status = USB_STOR_TRANSPORT_GOOD; + retry = 0; + notready = 0; /* issue the command */ do_retry: - result=usb_stor_CB_comdat(srb,us); - USB_STOR_PRINTF("command / Data returned %d, status %X\n",result,us->pusb_dev->status); + result = usb_stor_CB_comdat(srb, us); + debug("command / Data returned %d, status %lX\n", + result, us->pusb_dev->status); /* if this is an CBI Protocol, get IRQ */ - if(us->protocol==US_PR_CBI) { - status=usb_stor_CBI_get_status(srb,us); + if (us->protocol == US_PR_CBI) { + status = usb_stor_CBI_get_status(srb, us); /* if the status is error, report it */ - if(status==USB_STOR_TRANSPORT_ERROR) { - USB_STOR_PRINTF(" USB CBI Command Error\n"); + if (status == USB_STOR_TRANSPORT_ERROR) { + debug(" USB CBI Command Error\n"); return status; } - srb->sense_buf[12]=(unsigned char)(us->ip_data>>8); - srb->sense_buf[13]=(unsigned char)(us->ip_data&0xff); - if(!us->ip_data) { - /* if the status is good, report it */ - if(status==USB_STOR_TRANSPORT_GOOD) { - USB_STOR_PRINTF(" USB CBI Command Good\n"); + srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); + srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); + if (!us->ip_data) { + /* if the status is good, report it */ + if (status == USB_STOR_TRANSPORT_GOOD) { + debug(" USB CBI Command Good\n"); return status; } } } /* do we have to issue an auto request? */ /* HERE we have to check the result */ - if((result<0) && !(us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF("ERROR %X\n",us->pusb_dev->status); + if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { + debug("ERROR %lX\n", us->pusb_dev->status); us->transport_reset(us); return USB_STOR_TRANSPORT_ERROR; } - if((us->protocol==US_PR_CBI) && - ((srb->cmd[0]==SCSI_REQ_SENSE) || - (srb->cmd[0]==SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */ - USB_STOR_PRINTF("No auto request and good\n"); + if ((us->protocol == US_PR_CBI) && + ((srb->cmd[0] == SCSI_REQ_SENSE) || + (srb->cmd[0] == SCSI_INQUIRY))) { + /* do not issue an autorequest after request sense */ + debug("No auto request and good\n"); return USB_STOR_TRANSPORT_GOOD; } /* issue an request_sense */ - memset(&psrb->cmd[0],0,12); - psrb->cmd[0]=SCSI_REQ_SENSE; - psrb->cmd[1]=srb->lun<<5; - psrb->cmd[4]=18; - psrb->datalen=18; + memset(&psrb->cmd[0], 0, 12); + psrb->cmd[0] = SCSI_REQ_SENSE; + psrb->cmd[1] = srb->lun << 5; + psrb->cmd[4] = 18; + psrb->datalen = 18; psrb->pdata = &srb->sense_buf[0]; - psrb->cmdlen=12; + psrb->cmdlen = 12; /* issue the command */ - result=usb_stor_CB_comdat(psrb,us); - USB_STOR_PRINTF("auto request returned %d\n",result); + result = usb_stor_CB_comdat(psrb, us); + debug("auto request returned %d\n", result); /* if this is an CBI Protocol, get IRQ */ - if(us->protocol==US_PR_CBI) { - status=usb_stor_CBI_get_status(psrb,us); - } - if((result<0)&&!(us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",us->pusb_dev->status); + if (us->protocol == US_PR_CBI) + status = usb_stor_CBI_get_status(psrb, us); + + if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { + debug(" AUTO REQUEST ERROR %ld\n", + us->pusb_dev->status); return USB_STOR_TRANSPORT_ERROR; } - USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]); + debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", + srb->sense_buf[0], srb->sense_buf[2], + srb->sense_buf[12], srb->sense_buf[13]); /* Check the auto request result */ - if((srb->sense_buf[2]==0) && - (srb->sense_buf[12]==0) && - (srb->sense_buf[13]==0)) /* ok, no sense */ + if ((srb->sense_buf[2] == 0) && + (srb->sense_buf[12] == 0) && + (srb->sense_buf[13] == 0)) { + /* ok, no sense */ return USB_STOR_TRANSPORT_GOOD; + } + /* Check the auto request result */ - switch(srb->sense_buf[2]) { - case 0x01: /* Recovered Error */ + switch (srb->sense_buf[2]) { + case 0x01: + /* Recovered Error */ return USB_STOR_TRANSPORT_GOOD; break; - case 0x02: /* Not Ready */ - if(notready++ > USB_TRANSPORT_NOT_READY_RETRY) { - printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X (NOT READY)\n", - srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]); + case 0x02: + /* Not Ready */ + if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { + printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" + " 0x%02X (NOT READY)\n", srb->cmd[0], + srb->sense_buf[0], srb->sense_buf[2], + srb->sense_buf[12], srb->sense_buf[13]); return USB_STOR_TRANSPORT_FAILED; } else { - wait_ms(100); + mdelay(100); goto do_retry; } break; default: - if(retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { - printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X\n", - srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]); + if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { + printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" + " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], + srb->sense_buf[2], srb->sense_buf[12], + srb->sense_buf[13]); return USB_STOR_TRANSPORT_FAILED; - } else { + } else goto do_retry; - } break; } return USB_STOR_TRANSPORT_FAILED; } -static int usb_inquiry(ccb *srb,struct us_data *ss) +static int usb_inquiry(ccb *srb, struct us_data *ss) { - int retry,i; - retry=5; + int retry, i; + retry = 5; do { - memset(&srb->cmd[0],0,12); - srb->cmd[0]=SCSI_INQUIRY; - srb->cmd[1]=srb->lun<<5; - srb->cmd[4]=36; - srb->datalen=36; - srb->cmdlen=12; - i=ss->transport(srb,ss); - USB_STOR_PRINTF("inquiry returns %d\n",i); - if(i==0) + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_INQUIRY; + srb->cmd[1] = srb->lun << 5; + srb->cmd[4] = 36; + srb->datalen = 36; + srb->cmdlen = 12; + i = ss->transport(srb, ss); + debug("inquiry returns %d\n", i); + if (i == 0) break; - } while(retry--); + } while (--retry); - if(!retry) { + if (!retry) { printf("error in inquiry\n"); return -1; } return 0; } -static int usb_request_sense(ccb *srb,struct us_data *ss) +static int usb_request_sense(ccb *srb, struct us_data *ss) { char *ptr; - ptr=(char *)srb->pdata; - memset(&srb->cmd[0],0,12); - srb->cmd[0]=SCSI_REQ_SENSE; - srb->cmd[1]=srb->lun<<5; - srb->cmd[4]=18; - srb->datalen=18; + ptr = (char *)srb->pdata; + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_REQ_SENSE; + srb->cmd[1] = srb->lun << 5; + srb->cmd[4] = 18; + srb->datalen = 18; srb->pdata = &srb->sense_buf[0]; - srb->cmdlen=12; - ss->transport(srb,ss); - USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]); - srb->pdata=(uchar *)ptr; + srb->cmdlen = 12; + ss->transport(srb, ss); + debug("Request Sense returned %02X %02X %02X\n", + srb->sense_buf[2], srb->sense_buf[12], + srb->sense_buf[13]); + srb->pdata = (uchar *)ptr; return 0; } -static int usb_test_unit_ready(ccb *srb,struct us_data *ss) +static int usb_test_unit_ready(ccb *srb, struct us_data *ss) { int retries = 10; do { - memset(&srb->cmd[0],0,12); - srb->cmd[0]=SCSI_TST_U_RDY; - srb->cmd[1]=srb->lun<<5; - srb->datalen=0; - srb->cmdlen=12; - if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) { + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_TST_U_RDY; + srb->cmd[1] = srb->lun << 5; + srb->datalen = 0; + srb->cmdlen = 12; + if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { + ss->flags |= USB_READY; return 0; } - usb_request_sense (srb, ss); - wait_ms (100); - } while(retries--); + usb_request_sense(srb, ss); + /* + * Check the Key Code Qualifier, if it matches + * "Not Ready - medium not present" + * (the sense Key equals 0x2 and the ASC is 0x3a) + * return immediately as the medium being absent won't change + * unless there is a user action. + */ + if ((srb->sense_buf[2] == 0x02) && + (srb->sense_buf[12] == 0x3a)) + return -1; + mdelay(100); + } while (retries--); return -1; } -static int usb_read_capacity(ccb *srb,struct us_data *ss) +static int usb_read_capacity(ccb *srb, struct us_data *ss) { int retry; - retry = 3; /* retries */ + /* XXX retries */ + retry = 3; do { - memset(&srb->cmd[0],0,12); - srb->cmd[0]=SCSI_RD_CAPAC; - srb->cmd[1]=srb->lun<<5; - srb->datalen=8; - srb->cmdlen=12; - if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) { + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_RD_CAPAC; + srb->cmd[1] = srb->lun << 5; + srb->datalen = 8; + srb->cmdlen = 12; + if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) return 0; - } - } while(retry--); + } while (retry--); return -1; } -static int usb_read_10(ccb *srb,struct us_data *ss, unsigned long start, unsigned short blocks) +static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, + unsigned short blocks) +{ + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_READ10; + srb->cmd[1] = srb->lun << 5; + srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; + srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; + srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; + srb->cmd[5] = ((unsigned char) (start)) & 0xff; + srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; + srb->cmd[8] = (unsigned char) blocks & 0xff; + srb->cmdlen = 12; + debug("read10: start %lx blocks %x\n", start, blocks); + return ss->transport(srb, ss); +} + +static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, + unsigned short blocks) { - memset(&srb->cmd[0],0,12); - srb->cmd[0]=SCSI_READ10; - srb->cmd[1]=srb->lun<<5; - srb->cmd[2]=((unsigned char) (start>>24))&0xff; - srb->cmd[3]=((unsigned char) (start>>16))&0xff; - srb->cmd[4]=((unsigned char) (start>>8))&0xff; - srb->cmd[5]=((unsigned char) (start))&0xff; - srb->cmd[7]=((unsigned char) (blocks>>8))&0xff; - srb->cmd[8]=(unsigned char) blocks & 0xff; - srb->cmdlen=12; - USB_STOR_PRINTF("read10: start %lx blocks %x\n",start,blocks); - return ss->transport(srb,ss); + memset(&srb->cmd[0], 0, 12); + srb->cmd[0] = SCSI_WRITE10; + srb->cmd[1] = srb->lun << 5; + srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; + srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; + srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; + srb->cmd[5] = ((unsigned char) (start)) & 0xff; + srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; + srb->cmd[8] = (unsigned char) blocks & 0xff; + srb->cmdlen = 12; + debug("write10: start %lx blocks %x\n", start, blocks); + return ss->transport(srb, ss); } @@ -937,88 +1030,169 @@ static void usb_bin_fixup(struct usb_device_descriptor descriptor, const unsigned char max_vendor_len = 40; const unsigned char max_product_len = 20; if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { - strncpy ((char *)vendor, "SMSC", max_vendor_len); - strncpy ((char *)product, "Flash Media Cntrller", max_product_len); + strncpy((char *)vendor, "SMSC", max_vendor_len); + strncpy((char *)product, "Flash Media Cntrller", + max_product_len); } } #endif /* CONFIG_USB_BIN_FIXUP */ -#define USB_MAX_READ_BLK 20 - -unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer) +unsigned long usb_stor_read(int device, lbaint_t blknr, + lbaint_t blkcnt, void *buffer) { - unsigned long start,blks, buf_addr; + lbaint_t start, blks; + uintptr_t buf_addr; unsigned short smallblks; struct usb_device *dev; - int retry,i; + struct us_data *ss; + int retry, i; ccb *srb = &usb_ccb; if (blkcnt == 0) return 0; device &= 0xff; - /* Setup device - */ - USB_STOR_PRINTF("\nusb_read: dev %d \n",device); - dev=NULL; - for(i=0;idevnum==usb_dev_desc[device].target) + if (dev->devnum == usb_dev_desc[device].target) break; } + ss = (struct us_data *)dev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ - srb->lun=usb_dev_desc[device].lun; - buf_addr=(unsigned long)buffer; - start=blknr; - blks=blkcnt; - if(usb_test_unit_ready(srb,(struct us_data *)dev->privptr)) { - printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n", - srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]); + srb->lun = usb_dev_desc[device].lun; + buf_addr = (unsigned long)buffer; + start = blknr; + blks = blkcnt; + + debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF + " buffer %lx\n", device, start, blks, buf_addr); + + do { + /* XXX need some comment here */ + retry = 2; + srb->pdata = (unsigned char *)buf_addr; + if (blks > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; + else + smallblks = (unsigned short) blks; +retry_it: + if (smallblks == USB_MAX_XFER_BLK) + usb_show_progress(); + srb->datalen = usb_dev_desc[device].blksz * smallblks; + srb->pdata = (unsigned char *)buf_addr; + if (usb_read_10(srb, ss, start, smallblks)) { + debug("Read ERROR\n"); + usb_request_sense(srb, ss); + if (retry--) + goto retry_it; + blkcnt -= blks; + break; + } + start += smallblks; + blks -= smallblks; + buf_addr += srb->datalen; + } while (blks != 0); + ss->flags &= ~USB_READY; + + debug("usb_read: end startblk " LBAF + ", blccnt %x buffer %lx\n", + start, smallblks, buf_addr); + + usb_disable_asynch(0); /* asynch transfer allowed */ + if (blkcnt >= USB_MAX_XFER_BLK) + debug("\n"); + return blkcnt; +} + +unsigned long usb_stor_write(int device, lbaint_t blknr, + lbaint_t blkcnt, const void *buffer) +{ + lbaint_t start, blks; + uintptr_t buf_addr; + unsigned short smallblks; + struct usb_device *dev; + struct us_data *ss; + int retry, i; + ccb *srb = &usb_ccb; + + if (blkcnt == 0) return 0; + + device &= 0xff; + /* Setup device */ + debug("\nusb_write: dev %d \n", device); + dev = NULL; + for (i = 0; i < USB_MAX_DEVICE; i++) { + dev = usb_get_dev_index(i); + if (dev == NULL) + return 0; + if (dev->devnum == usb_dev_desc[device].target) + break; } - USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks, buf_addr); + ss = (struct us_data *)dev->privptr; + + usb_disable_asynch(1); /* asynch transfer not allowed */ + + srb->lun = usb_dev_desc[device].lun; + buf_addr = (unsigned long)buffer; + start = blknr; + blks = blkcnt; + + debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF + " buffer %lx\n", device, start, blks, buf_addr); + do { - retry=2; - srb->pdata=(unsigned char *)buf_addr; - if(blks>USB_MAX_READ_BLK) { - smallblks=USB_MAX_READ_BLK; - } else { - smallblks=(unsigned short) blks; - } + /* If write fails retry for max retry count else + * return with number of blocks written successfully. + */ + retry = 2; + srb->pdata = (unsigned char *)buf_addr; + if (blks > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; + else + smallblks = (unsigned short) blks; retry_it: - if(smallblks==USB_MAX_READ_BLK) + if (smallblks == USB_MAX_XFER_BLK) usb_show_progress(); - srb->datalen=usb_dev_desc[device].blksz * smallblks; - srb->pdata=(unsigned char *)buf_addr; - if(usb_read_10(srb,(struct us_data *)dev->privptr, start, smallblks)) { - USB_STOR_PRINTF("Read ERROR\n"); - usb_request_sense(srb,(struct us_data *)dev->privptr); - if(retry--) + srb->datalen = usb_dev_desc[device].blksz * smallblks; + srb->pdata = (unsigned char *)buf_addr; + if (usb_write_10(srb, ss, start, smallblks)) { + debug("Write ERROR\n"); + usb_request_sense(srb, ss); + if (retry--) goto retry_it; - blkcnt-=blks; + blkcnt -= blks; break; } - start+=smallblks; - blks-=smallblks; - buf_addr+=srb->datalen; - } while(blks!=0); - USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr); + start += smallblks; + blks -= smallblks; + buf_addr += srb->datalen; + } while (blks != 0); + ss->flags &= ~USB_READY; + + debug("usb_write: end startblk " LBAF ", blccnt %x buffer %lx\n", + start, smallblks, buf_addr); + usb_disable_asynch(0); /* asynch transfer allowed */ - if(blkcnt>=USB_MAX_READ_BLK) - printf("\n"); - return(blkcnt); -} + if (blkcnt >= USB_MAX_XFER_BLK) + debug("\n"); + return blkcnt; +} /* Probe to see if a new device is actually a Storage device */ -int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss) +int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, + struct us_data *ss) { - struct usb_interface_descriptor *iface; + struct usb_interface *iface; int i; + struct usb_endpoint_descriptor *ep_desc; unsigned int flags = 0; int protocol = 0; @@ -1029,18 +1203,21 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data #if 0 /* this is the place to patch some storage devices */ - USB_STOR_PRINTF("iVendor %X iProduct %X\n",dev->descriptor.idVendor,dev->descriptor.idProduct); - if ((dev->descriptor.idVendor) == 0x066b && (dev->descriptor.idProduct) == 0x0103) { - USB_STOR_PRINTF("patched for E-USB\n"); + debug("iVendor %X iProduct %X\n", dev->descriptor.idVendor, + dev->descriptor.idProduct); + + if ((dev->descriptor.idVendor) == 0x066b && + (dev->descriptor.idProduct) == 0x0103) { + debug("patched for E-USB\n"); protocol = US_PR_CB; subclass = US_SC_UFI; /* an assumption */ } #endif if (dev->descriptor.bDeviceClass != 0 || - iface->bInterfaceClass != USB_CLASS_MASS_STORAGE || - iface->bInterfaceSubClass < US_SC_MIN || - iface->bInterfaceSubClass > US_SC_MAX) { + iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || + iface->desc.bInterfaceSubClass < US_SC_MIN || + iface->desc.bInterfaceSubClass > US_SC_MAX) { /* if it's not a mass storage, we go no further */ return 0; } @@ -1048,7 +1225,7 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data memset(ss, 0, sizeof(struct us_data)); /* At this point, we know we've got a live one */ - USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n"); + debug("\n\nUSB Mass Storage device detected\n"); /* Initialize the us_data structure with some useful info */ ss->flags = flags; @@ -1063,26 +1240,26 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data ss->subclass = subclass; ss->protocol = protocol; } else { - ss->subclass = iface->bInterfaceSubClass; - ss->protocol = iface->bInterfaceProtocol; + ss->subclass = iface->desc.bInterfaceSubClass; + ss->protocol = iface->desc.bInterfaceProtocol; } /* set the handler pointers based on the protocol */ - USB_STOR_PRINTF("Transport: "); + debug("Transport: "); switch (ss->protocol) { case US_PR_CB: - USB_STOR_PRINTF("Control/Bulk\n"); + debug("Control/Bulk\n"); ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; case US_PR_CBI: - USB_STOR_PRINTF("Control/Bulk/Interrupt\n"); + debug("Control/Bulk/Interrupt\n"); ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; case US_PR_BULK: - USB_STOR_PRINTF("Bulk/Bulk/Bulk\n"); + debug("Bulk/Bulk/Bulk\n"); ss->transport = usb_stor_BBB_transport; ss->transport_reset = usb_stor_BBB_reset; break; @@ -1097,34 +1274,36 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data * An optional interrupt is OK (necessary for CBI protocol). * We will ignore any others. */ - for (i = 0; i < iface->bNumEndpoints; i++) { + for (i = 0; i < iface->desc.bNumEndpoints; i++) { + ep_desc = &iface->ep_desc[i]; /* is it an BULK endpoint? */ - if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK) { - if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) - ss->ep_in = iface->ep_desc[i].bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK; + if ((ep_desc->bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { + if (ep_desc->bEndpointAddress & USB_DIR_IN) + ss->ep_in = ep_desc->bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK; else - ss->ep_out = iface->ep_desc[i].bEndpointAddress & + ss->ep_out = + ep_desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; } /* is it an interrupt endpoint? */ - if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT) { - ss->ep_int = iface->ep_desc[i].bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK; - ss->irqinterval = iface->ep_desc[i].bInterval; + if ((ep_desc->bmAttributes & + USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { + ss->ep_int = ep_desc->bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK; + ss->irqinterval = ep_desc->bInterval; } } - USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n", - ss->ep_in, ss->ep_out, ss->ep_int); + debug("Endpoints In %d Out %d Int %d\n", + ss->ep_in, ss->ep_out, ss->ep_int); /* Do some basic sanity checks, and bail if we find a problem */ - if (usb_set_interface(dev, iface->bInterfaceNumber, 0) || + if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || !ss->ep_in || !ss->ep_out || (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { - USB_STOR_PRINTF("Problems with device\n"); + debug("Problems with device\n"); return 0; } /* set class specific stuff */ @@ -1134,94 +1313,86 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data */ if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && ss->subclass != US_SC_8070) { - printf("Sorry, protocol %d not yet supported.\n",ss->subclass); + printf("Sorry, protocol %d not yet supported.\n", ss->subclass); return 0; } - if(ss->ep_int) { /* we had found an interrupt endpoint, prepare irq pipe */ - /* set up the IRQ pipe and handler */ - + if (ss->ep_int) { + /* we had found an interrupt endpoint, prepare irq pipe + * set up the IRQ pipe and handler + */ ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); - dev->irq_handle=usb_stor_irq; + dev->irq_handle = usb_stor_irq; } - dev->privptr=(void *)ss; + dev->privptr = (void *)ss; return 1; } -int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t *dev_desc) +int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, + block_dev_desc_t *dev_desc) { - unsigned char perq,modi; - unsigned long cap[2]; - unsigned long *capacity,*blksz; + unsigned char perq, modi; + ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2); + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36); + unsigned long *capacity, *blksz; ccb *pccb = &usb_ccb; - /* for some reasons a couple of devices would not survive this reset */ - if ( - /* Sony USM256E */ - (dev->descriptor.idVendor == 0x054c && - dev->descriptor.idProduct == 0x019e) - - || - /* USB007 Mini-USB2 Flash Drive */ - (dev->descriptor.idVendor == 0x066f && - dev->descriptor.idProduct == 0x2010) - || - /* SanDisk Corporation Cruzer Micro 20044318410546613953 */ - (dev->descriptor.idVendor == 0x0781 && - dev->descriptor.idProduct == 0x5151) - ) - USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n"); - else - ss->transport_reset(ss); - pccb->pdata = usb_stor_buf; dev_desc->target = dev->devnum; pccb->lun = dev_desc->lun; - USB_STOR_PRINTF(" address %d\n",dev_desc->target); + debug(" address %d\n", dev_desc->target); - if(usb_inquiry(pccb,ss)) + if (usb_inquiry(pccb, ss)) return -1; perq = usb_stor_buf[0]; modi = usb_stor_buf[1]; - if((perq & 0x1f) == 0x1f) { - return 0; /* skip unknown devices */ + + if ((perq & 0x1f) == 0x1f) { + /* skip unknown devices */ + return 0; } - if((modi&0x80) == 0x80) {/* drive is removable */ + if ((modi&0x80) == 0x80) { + /* drive is removable */ dev_desc->removable = 1; } - memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8); - memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16); - memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4); + memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8); + memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16); + memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4); dev_desc->vendor[8] = 0; dev_desc->product[16] = 0; dev_desc->revision[4] = 0; #ifdef CONFIG_USB_BIN_FIXUP - usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, (uchar *)dev_desc->product); + usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, + (uchar *)dev_desc->product); #endif /* CONFIG_USB_BIN_FIXUP */ - USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n",usb_stor_buf[2],usb_stor_buf[3]); - if(usb_test_unit_ready(pccb,ss)) { - printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",pccb->sense_buf[2],pccb->sense_buf[12],pccb->sense_buf[13]); - if(dev_desc->removable == 1) { + debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], + usb_stor_buf[3]); + if (usb_test_unit_ready(pccb, ss)) { + printf("Device NOT ready\n" + " Request Sense returned %02X %02X %02X\n", + pccb->sense_buf[2], pccb->sense_buf[12], + pccb->sense_buf[13]); + if (dev_desc->removable == 1) { dev_desc->type = perq; return 1; } - else - return 0; + return 0; } pccb->pdata = (unsigned char *)&cap[0]; - memset(pccb->pdata,0,8); - if(usb_read_capacity(pccb,ss) != 0) { + memset(pccb->pdata, 0, 8); + if (usb_read_capacity(pccb, ss) != 0) { printf("READ_CAP ERROR\n"); cap[0] = 2880; cap[1] = 0x200; } - USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n",cap[0],cap[1]); + ss->flags &= ~USB_READY; + debug("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], cap[1]); #if 0 - if(cap[0]>(0x200000 * 10)) /* greater than 10 GByte */ - cap[0]>>=16; + if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ + cap[0] >>= 16; #endif cap[0] = cpu_to_be32(cap[0]); cap[1] = cpu_to_be32(cap[1]); @@ -1230,18 +1401,16 @@ int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t cap[0] += 1; capacity = &cap[0]; blksz = &cap[1]; - USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",*capacity,*blksz); + debug("Capacity = 0x%lx, blocksz = 0x%lx\n", *capacity, *blksz); dev_desc->lba = *capacity; dev_desc->blksz = *blksz; + dev_desc->log2blksz = LOG2(dev_desc->blksz); dev_desc->type = perq; - USB_STOR_PRINTF(" address %d\n",dev_desc->target); - USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type); + debug(" address %d\n", dev_desc->target); + debug("partype: %d\n", dev_desc->part_type); init_part(dev_desc); - USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type); + debug("partype: %d\n", dev_desc->part_type); return 1; } - -#endif /* CONFIG_USB_STORAGE */ -#endif