From a2ab8291e8bbc65db539036845405a2171bf5600 Mon Sep 17 00:00:00 2001 From: Sarah Sharp Date: Mon, 27 Jul 2009 12:05:08 -0700 Subject: [PATCH] --- yaml --- r: 155967 b: refs/heads/master c: 28c2d2efb48dec2f0b050affae6d5787d6449e47 h: refs/heads/master i: 155965: 610599a8ba5d65d3725cefce4b3aac18f69100ef 155963: 091bf940f16fef21a4168847d6aa1db62ba77c77 155959: 8c2511cc58e7444f5d239b1bbef38f10616c576e 155951: 0f0e3ed41ffe3224020a6d28272ce6294c71ab93 155935: 5e21024bfd83ebc61777351940ab423fbfa15d1b 155903: e1d45678d4327250ca7a128b0ec7109919618f75 v: v3 --- [refs] | 2 +- trunk/drivers/usb/host/xhci-dbg.c | 101 +++++++++++++++++++----------- trunk/drivers/usb/host/xhci-hcd.c | 7 +-- trunk/drivers/usb/host/xhci-mem.c | 15 +++-- trunk/drivers/usb/host/xhci.h | 19 +++++- 5 files changed, 90 insertions(+), 54 deletions(-) diff --git a/[refs] b/[refs] index b00b94fc9f38..e9e9ba447d8d 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 254c80a3a0eb811489f7410c3291f01a60e8e42f +refs/heads/master: 28c2d2efb48dec2f0b050affae6d5787d6449e47 diff --git a/trunk/drivers/usb/host/xhci-dbg.c b/trunk/drivers/usb/host/xhci-dbg.c index 6d62e4abe3c6..d77f8de11256 100644 --- a/trunk/drivers/usb/host/xhci-dbg.c +++ b/trunk/drivers/usb/host/xhci-dbg.c @@ -393,78 +393,103 @@ void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci) upper_32_bits(val)); } -void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_device_control *ctx, dma_addr_t dma, unsigned int last_ep) +dma_addr_t xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_slot_ctx *slot, dma_addr_t dma) { - int i, j; - int last_ep_ctx = 31; /* Fields are 32 bits wide, DMA addresses are in bytes */ int field_size = 32 / 8; - - xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - drop flags\n", - &ctx->drop_flags, (unsigned long long)dma, - ctx->drop_flags); - dma += field_size; - xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - add flags\n", - &ctx->add_flags, (unsigned long long)dma, - ctx->add_flags); - dma += field_size; - for (i = 0; i < 6; ++i) { - xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n", - &ctx->rsvd[i], (unsigned long long)dma, - ctx->rsvd[i], i); - dma += field_size; - } + int i; xhci_dbg(xhci, "Slot Context:\n"); xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_info\n", - &ctx->slot.dev_info, - (unsigned long long)dma, ctx->slot.dev_info); + &slot->dev_info, + (unsigned long long)dma, slot->dev_info); dma += field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_info2\n", - &ctx->slot.dev_info2, - (unsigned long long)dma, ctx->slot.dev_info2); + &slot->dev_info2, + (unsigned long long)dma, slot->dev_info2); dma += field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - tt_info\n", - &ctx->slot.tt_info, - (unsigned long long)dma, ctx->slot.tt_info); + &slot->tt_info, + (unsigned long long)dma, slot->tt_info); dma += field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_state\n", - &ctx->slot.dev_state, - (unsigned long long)dma, ctx->slot.dev_state); + &slot->dev_state, + (unsigned long long)dma, slot->dev_state); dma += field_size; for (i = 0; i < 4; ++i) { xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n", - &ctx->slot.reserved[i], (unsigned long long)dma, - ctx->slot.reserved[i], i); + &slot->reserved[i], (unsigned long long)dma, + slot->reserved[i], i); dma += field_size; } + return dma; +} + +dma_addr_t xhci_dbg_ep_ctx(struct xhci_hcd *xhci, struct xhci_ep_ctx *ep, dma_addr_t dma, unsigned int last_ep) +{ + int i, j; + int last_ep_ctx = 31; + /* Fields are 32 bits wide, DMA addresses are in bytes */ + int field_size = 32 / 8; + if (last_ep < 31) last_ep_ctx = last_ep + 1; for (i = 0; i < last_ep_ctx; ++i) { xhci_dbg(xhci, "Endpoint %02d Context:\n", i); xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - ep_info\n", - &ctx->ep[i].ep_info, - (unsigned long long)dma, ctx->ep[i].ep_info); + &ep[i].ep_info, + (unsigned long long)dma, ep[i].ep_info); dma += field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - ep_info2\n", - &ctx->ep[i].ep_info2, - (unsigned long long)dma, ctx->ep[i].ep_info2); + &ep[i].ep_info2, + (unsigned long long)dma, ep[i].ep_info2); dma += field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08llx - deq\n", - &ctx->ep[i].deq, - (unsigned long long)dma, ctx->ep[i].deq); + &ep[i].deq, + (unsigned long long)dma, ep[i].deq); dma += 2*field_size; xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - tx_info\n", - &ctx->ep[i].tx_info, - (unsigned long long)dma, ctx->ep[i].tx_info); + &ep[i].tx_info, + (unsigned long long)dma, ep[i].tx_info); dma += field_size; for (j = 0; j < 3; ++j) { xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n", - &ctx->ep[i].reserved[j], + &ep[i].reserved[j], (unsigned long long)dma, - ctx->ep[i].reserved[j], j); + ep[i].reserved[j], j); dma += field_size; } } + return dma; +} + +void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_device_control *ctx, dma_addr_t dma, unsigned int last_ep) +{ + int i; + /* Fields are 32 bits wide, DMA addresses are in bytes */ + int field_size = 32 / 8; + + xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - drop flags\n", + &ctx->drop_flags, (unsigned long long)dma, + ctx->drop_flags); + dma += field_size; + xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - add flags\n", + &ctx->add_flags, (unsigned long long)dma, + ctx->add_flags); + dma += field_size; + for (i = 0; i < 6; ++i) { + xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n", + &ctx->rsvd[i], (unsigned long long)dma, + ctx->rsvd[i], i); + dma += field_size; + } + dma = xhci_dbg_slot_ctx(xhci, &ctx->slot, dma); + dma = xhci_dbg_ep_ctx(xhci, ctx->ep, dma, last_ep); +} + +void xhci_dbg_device_ctx(struct xhci_hcd *xhci, struct xhci_device_ctx *ctx, dma_addr_t dma, unsigned int last_ep) +{ + dma = xhci_dbg_slot_ctx(xhci, &ctx->slot, dma); + dma = xhci_dbg_ep_ctx(xhci, ctx->ep, dma, last_ep); } diff --git a/trunk/drivers/usb/host/xhci-hcd.c b/trunk/drivers/usb/host/xhci-hcd.c index 008326d5bc52..921dd173d793 100644 --- a/trunk/drivers/usb/host/xhci-hcd.c +++ b/trunk/drivers/usb/host/xhci-hcd.c @@ -1013,7 +1013,7 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) } xhci_dbg(xhci, "Output context after successful config ep cmd:\n"); - xhci_dbg_ctx(xhci, virt_dev->out_ctx, virt_dev->out_ctx_dma, + xhci_dbg_device_ctx(xhci, virt_dev->out_ctx, virt_dev->out_ctx_dma, LAST_CTX_TO_EP_NUM(virt_dev->in_ctx->slot.dev_info)); xhci_zero_in_ctx(virt_dev); @@ -1265,7 +1265,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id); xhci_dbg_ctx(xhci, virt_dev->in_ctx, virt_dev->in_ctx_dma, 2); xhci_dbg(xhci, "Slot ID %d Output Context:\n", udev->slot_id); - xhci_dbg_ctx(xhci, virt_dev->out_ctx, virt_dev->out_ctx_dma, 2); + xhci_dbg_device_ctx(xhci, virt_dev->out_ctx, virt_dev->out_ctx_dma, 2); /* * USB core uses address 1 for the roothubs, so we add one to the * address given back to us by the HC. @@ -1274,9 +1274,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) /* Zero the input context control for later use */ virt_dev->in_ctx->add_flags = 0; virt_dev->in_ctx->drop_flags = 0; - /* Mirror flags in the output context for future ep enable/disable */ - virt_dev->out_ctx->add_flags = SLOT_FLAG | EP0_FLAG; - virt_dev->out_ctx->drop_flags = 0; xhci_dbg(xhci, "Device address = %d\n", udev->devnum); /* XXX Meh, not sure if anyone else but choose_address uses this. */ diff --git a/trunk/drivers/usb/host/xhci-mem.c b/trunk/drivers/usb/host/xhci-mem.c index 71121d99235d..8d6bdf2f8015 100644 --- a/trunk/drivers/usb/host/xhci-mem.c +++ b/trunk/drivers/usb/host/xhci-mem.c @@ -235,7 +235,10 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, return 0; dev = xhci->devs[slot_id]; - /* Allocate the (output) device context that will be used in the HC */ + /* Allocate the (output) device context that will be used in the HC. + * The structure is 32 bytes smaller than the input context, but that's + * fine. + */ dev->out_ctx = dma_pool_alloc(xhci->device_pool, flags, &dma); if (!dev->out_ctx) goto fail; @@ -260,16 +263,12 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, init_completion(&dev->cmd_completion); - /* - * Point to output device context in dcbaa; skip the output control - * context, which is eight 32 bit fields (or 32 bytes long) - */ - xhci->dcbaa->dev_context_ptrs[slot_id] = - (u32) dev->out_ctx_dma + (32); + /* Point to output device context in dcbaa. */ + xhci->dcbaa->dev_context_ptrs[slot_id] = dev->out_ctx_dma; xhci_dbg(xhci, "Set slot id %d dcbaa entry %p to 0x%llx\n", slot_id, &xhci->dcbaa->dev_context_ptrs[slot_id], - (unsigned long long)dev->out_ctx_dma); + (unsigned long long) xhci->dcbaa->dev_context_ptrs[slot_id]); return 1; fail: diff --git a/trunk/drivers/usb/host/xhci.h b/trunk/drivers/usb/host/xhci.h index 5a09b9a26e0d..d4d3c7777fb8 100644 --- a/trunk/drivers/usb/host/xhci.h +++ b/trunk/drivers/usb/host/xhci.h @@ -584,15 +584,29 @@ struct xhci_ep_ctx { /** * struct xhci_device_control - * Input/Output context; see section 6.2.5. + * Input context; see section 6.2.5. * * @drop_context: set the bit of the endpoint context you want to disable * @add_context: set the bit of the endpoint context you want to enable */ struct xhci_device_control { + /* Input control context */ u32 drop_flags; u32 add_flags; u32 rsvd[6]; + /* Copy of device context */ + struct xhci_slot_ctx slot; + struct xhci_ep_ctx ep[31]; +}; + +/** + * struct xhci_device_ctx + * Device context; see section 6.2.1. + * + * @slot: slot context for the device. + * @ep: array of endpoint contexts for the device. + */ +struct xhci_device_ctx { struct xhci_slot_ctx slot; struct xhci_ep_ctx ep[31]; }; @@ -612,7 +626,7 @@ struct xhci_virt_device { * track of input and output contexts separately because * these commands might fail and we don't trust the hardware. */ - struct xhci_device_control *out_ctx; + struct xhci_device_ctx *out_ctx; dma_addr_t out_ctx_dma; /* Used for addressing devices and configuration changes */ struct xhci_device_control *in_ctx; @@ -1126,6 +1140,7 @@ void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst); void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci); void xhci_dbg_ring_ptrs(struct xhci_hcd *xhci, struct xhci_ring *ring); void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_device_control *ctx, dma_addr_t dma, unsigned int last_ep); +void xhci_dbg_device_ctx(struct xhci_hcd *xhci, struct xhci_device_ctx *ctx, dma_addr_t dma, unsigned int last_ep); /* xHCI memory managment */ void xhci_mem_cleanup(struct xhci_hcd *xhci);