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Commit e75ec752 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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nvme: store a struct device pointer in struct nvme_dev 

Most users want the generic device, so store that in struct nvme_dev
instead of the pci_dev.  This also happens to be a nice step towards
making some code reusable for non-PCI transports.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent f705f837
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Showing with 79 additions and 96 deletions
drivers/block/nvme-core.c
View file @ e75ec752
This diff is collapsed.
drivers/block/nvme-scsi.c
View file @ e75ec752
......@@ -684,7 +684,7 @@ static int nvme_trans_standard_inquiry_page(struct nvme_ns *ns,
u8 cmdque = 0x01 << 1;
u8 fw_offset = sizeof(dev->firmware_rev);
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -728,8 +728,7 @@ static int nvme_trans_standard_inquiry_page(struct nvme_ns *ns,
res = nvme_trans_copy_to_user(hdr, inq_response, xfer_len);
out_free:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out_dma:
return res;
}
......@@ -787,7 +786,7 @@ static int nvme_trans_device_id_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
int xfer_len;
__be32 tmp_id = cpu_to_be32(ns->ns_id);
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -842,7 +841,7 @@ static int nvme_trans_device_id_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
inq_response[6] = 0x00; /* Rsvd */
inq_response[7] = 0x44; /* Designator Length */
sprintf(&inq_response[8], "%04x", dev->pci_dev->vendor);
sprintf(&inq_response[8], "%04x", to_pci_dev(dev->dev)->vendor);
memcpy(&inq_response[12], dev->model, sizeof(dev->model));
sprintf(&inq_response[52], "%04x", tmp_id);
memcpy(&inq_response[56], dev->serial, sizeof(dev->serial));
......@@ -851,8 +850,7 @@ static int nvme_trans_device_id_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
res = nvme_trans_copy_to_user(hdr, inq_response, xfer_len);
out_free:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out_dma:
return res;
}
......@@ -883,7 +881,7 @@ static int nvme_trans_ext_inq_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
goto out_mem;
}
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -933,8 +931,7 @@ static int nvme_trans_ext_inq_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
res = nvme_trans_copy_to_user(hdr, inq_response, xfer_len);
out_free:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out_dma:
kfree(inq_response);
out_mem:
......@@ -1038,8 +1035,7 @@ static int nvme_trans_log_info_exceptions(struct nvme_ns *ns,
goto out_mem;
}
mem = dma_alloc_coherent(&dev->pci_dev->dev,
sizeof(struct nvme_smart_log),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_smart_log),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1077,7 +1073,7 @@ static int nvme_trans_log_info_exceptions(struct nvme_ns *ns,
xfer_len = min(alloc_len, LOG_INFO_EXCP_PAGE_LENGTH);
res = nvme_trans_copy_to_user(hdr, log_response, xfer_len);
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_smart_log),
dma_free_coherent(dev->dev, sizeof(struct nvme_smart_log),
mem, dma_addr);
out_dma:
kfree(log_response);
......@@ -1106,8 +1102,7 @@ static int nvme_trans_log_temperature(struct nvme_ns *ns, struct sg_io_hdr *hdr,
goto out_mem;
}
mem = dma_alloc_coherent(&dev->pci_dev->dev,
sizeof(struct nvme_smart_log),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_smart_log),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1158,7 +1153,7 @@ static int nvme_trans_log_temperature(struct nvme_ns *ns, struct sg_io_hdr *hdr,
xfer_len = min(alloc_len, LOG_TEMP_PAGE_LENGTH);
res = nvme_trans_copy_to_user(hdr, log_response, xfer_len);
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_smart_log),
dma_free_coherent(dev->dev, sizeof(struct nvme_smart_log),
mem, dma_addr);
out_dma:
kfree(log_response);
......@@ -1209,7 +1204,7 @@ static int nvme_trans_fill_blk_desc(struct nvme_ns *ns, struct sg_io_hdr *hdr,
else if (llbaa > 0 && len < MODE_PAGE_LLBAA_BLK_DES_LEN)
return SNTI_INTERNAL_ERROR;
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1246,8 +1241,7 @@ static int nvme_trans_fill_blk_desc(struct nvme_ns *ns, struct sg_io_hdr *hdr,
}
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out:
return res;
}
......@@ -1494,8 +1488,7 @@ static int nvme_trans_power_state(struct nvme_ns *ns, struct sg_io_hdr *hdr,
unsigned ps_desired = 0;
/* NVMe Controller Identify */
mem = dma_alloc_coherent(&dev->pci_dev->dev,
sizeof(struct nvme_id_ctrl),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ctrl),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1556,8 +1549,7 @@ static int nvme_trans_power_state(struct nvme_ns *ns, struct sg_io_hdr *hdr,
if (nvme_sc)
res = nvme_sc;
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ctrl), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ctrl), mem, dma_addr);
out:
return res;
}
......@@ -1820,7 +1812,7 @@ static int nvme_trans_fmt_set_blk_size_count(struct nvme_ns *ns,
*/
if (ns->mode_select_num_blocks == 0 || ns->mode_select_block_len == 0) {
mem = dma_alloc_coherent(&dev->pci_dev->dev,
mem = dma_alloc_coherent(dev->dev,
sizeof(struct nvme_id_ns), &dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1845,7 +1837,7 @@ static int nvme_trans_fmt_set_blk_size_count(struct nvme_ns *ns,
(1 << (id_ns->lbaf[flbas].ds));
}
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns),
mem, dma_addr);
}
out:
......@@ -1928,7 +1920,7 @@ static int nvme_trans_fmt_send_cmd(struct nvme_ns *ns, struct sg_io_hdr *hdr,
struct nvme_command c;
/* Loop thru LBAF's in id_ns to match reqd lbaf, put in cdw10 */
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -1979,8 +1971,7 @@ static int nvme_trans_fmt_send_cmd(struct nvme_ns *ns, struct sg_io_hdr *hdr,
res = nvme_sc;
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out:
return res;
}
......@@ -2485,7 +2476,7 @@ static int nvme_trans_read_capacity(struct nvme_ns *ns, struct sg_io_hdr *hdr,
resp_size = READ_CAP_16_RESP_SIZE;
}
mem = dma_alloc_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ns),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -2514,8 +2505,7 @@ static int nvme_trans_read_capacity(struct nvme_ns *ns, struct sg_io_hdr *hdr,
kfree(response);
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ns), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ns), mem, dma_addr);
out:
return res;
}
......@@ -2548,8 +2538,7 @@ static int nvme_trans_report_luns(struct nvme_ns *ns, struct sg_io_hdr *hdr,
goto out;
} else {
/* NVMe Controller Identify */
mem = dma_alloc_coherent(&dev->pci_dev->dev,
sizeof(struct nvme_id_ctrl),
mem = dma_alloc_coherent(dev->dev, sizeof(struct nvme_id_ctrl),
&dma_addr, GFP_KERNEL);
if (mem == NULL) {
res = -ENOMEM;
......@@ -2600,8 +2589,7 @@ static int nvme_trans_report_luns(struct nvme_ns *ns, struct sg_io_hdr *hdr,
kfree(response);
out_dma:
dma_free_coherent(&dev->pci_dev->dev, sizeof(struct nvme_id_ctrl), mem,
dma_addr);
dma_free_coherent(dev->dev, sizeof(struct nvme_id_ctrl), mem, dma_addr);
out:
return res;
}
......@@ -2913,7 +2901,7 @@ static int nvme_trans_unmap(struct nvme_ns *ns, struct sg_io_hdr *hdr,
goto out;
}
range = dma_alloc_coherent(&dev->pci_dev->dev, ndesc * sizeof(*range),
range = dma_alloc_coherent(dev->dev, ndesc * sizeof(*range),
&dma_addr, GFP_KERNEL);
if (!range)
goto out;
......@@ -2934,8 +2922,7 @@ static int nvme_trans_unmap(struct nvme_ns *ns, struct sg_io_hdr *hdr,
nvme_sc = nvme_submit_sync_cmd(ns->queue, &c);
res = nvme_trans_status_code(hdr, nvme_sc);
dma_free_coherent(&dev->pci_dev->dev, ndesc * sizeof(*range),
range, dma_addr);
dma_free_coherent(dev->dev, ndesc * sizeof(*range), range, dma_addr);
out:
kfree(plist);
return res;
......
include/linux/nvme.h
View file @ e75ec752
......@@ -74,7 +74,7 @@ struct nvme_dev {
struct blk_mq_tag_set tagset;
struct blk_mq_tag_set admin_tagset;
u32 __iomem *dbs;
struct pci_dev *pci_dev;
struct device *dev;
struct dma_pool *prp_page_pool;
struct dma_pool *prp_small_pool;
int instance;
......
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