diff options
Diffstat (limited to 'hw/usb-uhci.c')
| -rw-r--r-- | hw/usb-uhci.c | 51 |
1 files changed, 23 insertions, 28 deletions
diff --git a/hw/usb-uhci.c b/hw/usb-uhci.c index da74c57..824e3a5 100644 --- a/hw/usb-uhci.c +++ b/hw/usb-uhci.c @@ -30,6 +30,8 @@ #include "pci.h" #include "qemu-timer.h" #include "usb-uhci.h" +#include "iov.h" +#include "dma.h" //#define DEBUG //#define DEBUG_DUMP_DATA @@ -93,17 +95,12 @@ static const char *pid2str(int pid) #endif #ifdef DEBUG_DUMP_DATA -static void dump_data(const uint8_t *data, int len) +static void dump_data(USBPacket *p, int ret) { - int i; - - printf("uhci: data: "); - for(i = 0; i < len; i++) - printf(" %02x", data[i]); - printf("\n"); + iov_hexdump(p->iov.iov, p->iov.niov, stderr, "uhci", ret); } #else -static void dump_data(const uint8_t *data, int len) {} +static void dump_data(USBPacket *p, int ret) {} #endif typedef struct UHCIState UHCIState; @@ -115,6 +112,7 @@ typedef struct UHCIState UHCIState; */ typedef struct UHCIAsync { USBPacket packet; + QEMUSGList sgl; UHCIState *uhci; QTAILQ_ENTRY(UHCIAsync) next; uint32_t td; @@ -122,7 +120,6 @@ typedef struct UHCIAsync { int8_t valid; uint8_t isoc; uint8_t done; - uint8_t buffer[2048]; } UHCIAsync; typedef struct UHCIPort { @@ -179,12 +176,16 @@ static UHCIAsync *uhci_async_alloc(UHCIState *s) async->token = 0; async->done = 0; async->isoc = 0; + usb_packet_init(&async->packet); + qemu_sglist_init(&async->sgl, 1); return async; } static void uhci_async_free(UHCIState *s, UHCIAsync *async) { + usb_packet_cleanup(&async->packet); + qemu_sglist_destroy(&async->sgl); qemu_free(async); } @@ -648,10 +649,10 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p) { int i, ret; - DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %d\n", - pid2str(p->pid), p->devaddr, p->devep, p->len); + DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %zd\n", + pid2str(p->pid), p->devaddr, p->devep, p->iov.size); if (p->pid == USB_TOKEN_OUT || p->pid == USB_TOKEN_SETUP) - dump_data(p->data, p->len); + dump_data(p, 0); ret = USB_RET_NODEV; for (i = 0; i < NB_PORTS && ret == USB_RET_NODEV; i++) { @@ -662,9 +663,9 @@ static int uhci_broadcast_packet(UHCIState *s, USBPacket *p) ret = usb_handle_packet(dev, p); } - DPRINTF("uhci: packet exit. ret %d len %d\n", ret, p->len); + DPRINTF("uhci: packet exit. ret %d len %zd\n", ret, p->iov.size); if (p->pid == USB_TOKEN_IN && ret > 0) - dump_data(p->data, ret); + dump_data(p, ret); return ret; } @@ -684,7 +685,7 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_ max_len = ((td->token >> 21) + 1) & 0x7ff; pid = td->token & 0xff; - ret = async->packet.len; + ret = async->packet.result; if (td->ctrl & TD_CTRL_IOS) td->ctrl &= ~TD_CTRL_ACTIVE; @@ -692,7 +693,7 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_ if (ret < 0) goto out; - len = async->packet.len; + len = async->packet.result; td->ctrl = (td->ctrl & ~0x7ff) | ((len - 1) & 0x7ff); /* The NAK bit may have been set by a previous frame, so clear it @@ -708,11 +709,6 @@ static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_ goto out; } - if (len > 0) { - /* write the data back */ - cpu_physical_memory_write(td->buffer, async->buffer, len); - } - if ((td->ctrl & TD_CTRL_SPD) && len < max_len) { *int_mask |= 0x02; /* short packet: do not update QH */ @@ -827,16 +823,14 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in max_len = ((td->token >> 21) + 1) & 0x7ff; pid = td->token & 0xff; - async->packet.pid = pid; - async->packet.devaddr = (td->token >> 8) & 0x7f; - async->packet.devep = (td->token >> 15) & 0xf; - async->packet.data = async->buffer; - async->packet.len = max_len; + usb_packet_setup(&async->packet, pid, (td->token >> 8) & 0x7f, + (td->token >> 15) & 0xf); + qemu_sglist_add(&async->sgl, td->buffer, max_len); + usb_packet_map(&async->packet, &async->sgl); switch(pid) { case USB_TOKEN_OUT: case USB_TOKEN_SETUP: - cpu_physical_memory_read(td->buffer, async->buffer, max_len); len = uhci_broadcast_packet(s, &async->packet); if (len >= 0) len = max_len; @@ -859,10 +853,11 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in return 2; } - async->packet.len = len; + async->packet.result = len; done: len = uhci_complete_td(s, td, async, int_mask); + usb_packet_unmap(&async->packet); uhci_async_free(s, async); return len; } |